WO2025119314A1 - Procédé et appareil de traitement de signaux - Google Patents
Procédé et appareil de traitement de signaux Download PDFInfo
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- WO2025119314A1 WO2025119314A1 PCT/CN2024/137330 CN2024137330W WO2025119314A1 WO 2025119314 A1 WO2025119314 A1 WO 2025119314A1 CN 2024137330 W CN2024137330 W CN 2024137330W WO 2025119314 A1 WO2025119314 A1 WO 2025119314A1
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- Prior art keywords
- signal
- cell
- channel
- target
- specific
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/02—Power saving arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/02—Power saving arrangements
- H04W52/0203—Power saving arrangements in the radio access network or backbone network of wireless communication networks
- H04W52/0206—Power saving arrangements in the radio access network or backbone network of wireless communication networks in access points, e.g. base stations
Definitions
- the present disclosure relates to the field of communication technology, and in particular to a signal processing method and device.
- Network energy saving is very important for environmental sustainability, reducing environmental impact (greenhouse gas emissions) and saving operating costs.
- base stations can adopt certain energy-saving measures, such as sleeping or stopping signal transmission and reception.
- the terminal assumes that the base station is always providing services.
- the base station cannot be awakened or turned on, the terminal service will be affected.
- the purpose of the present disclosure is to provide an information processing method and device to solve the problem of how a terminal wakes up or triggers a base station to wake up and provide services.
- the present disclosure provides a signal processing method, which is performed by a terminal, and the method includes:
- the first signal includes at least one of the following: an on-off keying (OOK) signal; an amplitude-shifted keying (ASK) signal; a frequency-shifted keying (FSK) signal; or a phase-shifted keying (PSK) signal.
- OOK on-off keying
- ASK amplitude-shifted keying
- FSK frequency-shifted keying
- PSK phase-shifted keying
- the first signal is an Orthogonal Frequency Division Multiplexing (OFDM) based signal.
- OFDM Orthogonal Frequency Division Multiplexing
- the first signal carries at least one of the following:
- the method of the present disclosure further includes:
- a first response signal to the first signal is acquired.
- the first response signal carries at least one of the following:
- the cell information of the cell that sends the first response signal is the cell information of the cell that sends the first response signal.
- the method of the present disclosure further includes:
- a second signal is sent to a specific cell, wherein the second signal is used to indicate at least one of the following: waking up the specific cell; triggering the specific cell to send or receive a second object; triggering the specific cell to switch to a second state, wherein the second object includes at least one of a second target reference signal and a second target channel.
- the second signal carries at least one of the following:
- the method of the present disclosure further includes:
- a second response signal is acquired, where the second response signal is a response signal to a target signal, and the target signal includes the second signal, or includes the first signal and the second signal.
- the second response signal carries at least one of the following:
- the cell information of the cell that sends the second response signal is the cell information of the cell that sends the second response signal.
- the method of the present disclosure further includes:
- the first moment includes at least one of the following:
- the second response signal being a response signal of the second signal, or being a response signal of the first signal and the second signal;
- the first specific cell includes at least one of the following:
- the first specific reference signal includes at least one of a first target reference signal indicated by a first signal, a second target reference signal indicated by a second signal, a first reference signal indicated by a first response signal, a second reference signal indicated by a second response signal, a reference signal agreed upon by a protocol, a reference signal configured by a higher layer, a reference signal pre-stored by a terminal, or a reference signal notified by neighboring cell signaling;
- the first specific channel includes at least one of a first target channel indicated by a first signal, a second target channel indicated by a second signal, a first channel indicated by a first response signal, a second channel indicated by a second response signal, a channel agreed upon by a protocol, a channel configured by a higher layer, a channel pre-stored by a terminal, or a channel notified by neighboring cell signaling;
- the second signal is used to indicate at least one of the following: waking up a specific cell; triggering the specific cell to send or receive a second object; triggering the specific cell to switch to a second state, and the second object includes at least one of a second target reference signal and a second target channel.
- the method of the present disclosure further includes:
- the second moment includes at least one of the following:
- the second response signal being a response signal of the second signal, or being a response signal of the first signal and the second signal;
- the second specific cell includes at least one of the following:
- the second specific reference signal includes at least one of a first target reference signal indicated by the first signal, a second target reference signal indicated by the second signal, a first reference signal indicated by the first response signal, a second reference signal indicated by the second response signal, a reference signal agreed upon by a protocol, a reference signal configured by a higher layer, a reference signal associated with the first signal, or a reference signal associated with the second signal;
- the second specific channel includes at least one of a first target channel indicated by a first signal, a second target channel indicated by a second signal, a first channel indicated by a first response signal, a second channel indicated by a second response signal, a channel agreed upon by a protocol, a channel configured by a high layer, a channel associated with the first signal, or a channel associated with the second signal.
- the method of the present disclosure further includes:
- the third moment includes at least one of the following:
- the second response signal being a response signal of the second signal, or being a response signal of the first signal and the second signal;
- the specific cell state includes at least one of a first state indicated by a first signal, a second state indicated by a second signal, a cell state agreed upon by a protocol, a cell state configured by a high layer, a cell state indicated by the first response signal, a cell state indicated by the second response signal, a cell state associated with the first response signal, or a cell state associated with the second response signal;
- the third specific reference signal includes at least one of a reference signal configured by high-layer signaling, a reference signal configured by core network signaling, a reference signal pre-stored by the terminal, or a reference signal notified by neighboring cell signaling;
- the third specific channel includes at least one of a channel configured by high-level signaling, a channel configured by core network signaling, a channel pre-stored by the terminal, or a channel notified by neighboring cell signaling.
- the present disclosure also provides an information processing method, which is executed by a network-side device.
- the method includes:
- Discovering a terminal waking up a target cell; triggering the target cell to send or receive a first object; triggering the target cell to switch to a first state; wherein the first object includes at least one of a first target reference signal and a first target channel;
- the first signal includes at least one of the following: an on-off keying (OOK) signal; an amplitude-shifted keying (ASK) signal; a frequency-shifted keying (FSK) signal; or a phase-shifted keying (PSK) signal.
- OOK on-off keying
- ASK amplitude-shifted keying
- FSK frequency-shifted keying
- PSK phase-shifted keying
- the first signal is an Orthogonal Frequency Division Multiplexing (OFDM) based signal.
- OFDM Orthogonal Frequency Division Multiplexing
- the first signal carries at least one of the following:
- the method after receiving the first signal, the method further includes:
- a first response signal is sent to the first signal.
- sending a first response signal to the first signal includes:
- the signal information includes at least one of the amplitude, frequency, carrier, bandwidth, phase, power and energy of the first signal.
- the method further comprises:
- Discovering a terminal waking up a target cell; triggering the target cell to send or receive a first object; triggering the target cell to switch to a first state;
- the signal information includes at least one of the amplitude, frequency, carrier, bandwidth, phase, power and energy of the first signal.
- the first response signal carries at least one of the following:
- the cell information of the cell that sends the first response signal is the cell information of the cell that sends the first response signal.
- the method further comprises:
- the second signal is used for at least one of the following: waking up a specific cell; triggering the specific cell to send or receive a second object; triggering the specific cell to switch to a second state, wherein the second object includes at least one of a second target reference signal and a second target channel.
- the second signal carries at least one of the following:
- the method further comprises:
- a second response signal is sent, where the second response signal is a response signal to a target signal, where the target signal includes the second signal, or includes the first signal and the second signal.
- the second response signal carries at least one of the following:
- the cell information of the cell that sends the second response signal is the cell information of the cell that sends the second response signal.
- the method further comprises:
- the fourth moment includes at least one of the following:
- the first specific reference signal includes at least one of a first target reference signal indicated by a first signal, a second target reference signal indicated by a second signal, a first reference signal indicated by a first response signal, a second reference signal indicated by a second response signal, a reference signal agreed upon by a protocol, a reference signal configured by a higher layer, a reference signal pre-stored by a terminal, or a reference signal notified by neighboring cell signaling;
- the first specific channel includes at least one of a first target channel indicated by a first signal, a second target channel indicated by a second signal, a first channel indicated by a first response signal, a second channel indicated by a second response signal, a channel agreed upon by a protocol, a channel configured by a higher layer, a channel pre-stored by a terminal, or a channel notified by neighboring cell signaling;
- the second signal is used to indicate at least one of the following: waking up a specific cell; triggering the specific cell to send or receive a second object; triggering the specific cell to switch to a second state, wherein the second object includes at least one of a second target reference signal and a second target channel.
- the method further comprises:
- the fifth moment includes at least one of the following:
- the second specific reference signal includes at least one of a first target reference signal indicated by the first signal, a second target reference signal indicated by the second signal, a first reference signal indicated by the first response signal, a second reference signal indicated by the second response signal, a reference signal agreed upon by a protocol, a reference signal configured by a higher layer, a reference signal associated with the first signal, or a reference signal associated with the second signal;
- the second specific channel includes at least one of a first target channel indicated by a first signal, a second target channel indicated by a second signal, a channel agreed upon by a protocol, a channel configured by a higher layer, a channel associated with the first signal, or a channel associated with the second signal.
- the method further comprises:
- the sixth moment includes at least one of the following:
- the specific cell state includes at least one of a first state indicated by a first signal, a second state indicated by a second signal, a cell state agreed upon by a protocol, a cell state configured by a high layer, a cell state indicated by the first response signal, a cell state indicated by the second response signal, a cell state associated with the first response signal, or a cell state associated with the second response signal;
- the third specific reference signal includes at least one of a reference signal configured by high-layer signaling, a reference signal configured by core network signaling, a reference signal pre-stored by the terminal, or a reference signal notified by neighboring cell signaling;
- the third specific channel includes at least one of a channel configured by high-level signaling, a channel configured by core network signaling, a channel pre-stored by the terminal, or a channel notified by neighboring cell signaling.
- the embodiment of the present disclosure also provides a signal processing device, including a memory, a transceiver, and a processor;
- a memory for storing a computer program; a transceiver for transmitting and receiving data under the control of the processor; and a processor for reading the computer program in the memory and performing the following operations:
- the first signal includes at least one of the following: an on-off keying (OOK) signal; an amplitude-shifted keying (ASK) signal; a frequency-shifted keying (FSK) signal; or a phase-shifted keying (PSK) signal.
- OOK on-off keying
- ASK amplitude-shifted keying
- FSK frequency-shifted keying
- PSK phase-shifted keying
- the first signal is an Orthogonal Frequency Division Multiplexing (OFDM) based signal.
- OFDM Orthogonal Frequency Division Multiplexing
- the first signal carries at least one of the following:
- the processor further performs the following operations:
- a first response signal to the first signal is acquired.
- the disclosed embodiment also provides an information processing device, including a memory, a transceiver, and a processor;
- a memory for storing a computer program; a transceiver for transmitting and receiving data under the control of the processor; and a processor for reading the computer program in the memory and performing the following operations:
- Discovering a terminal waking up a target cell; triggering the target cell to send or receive a first object; triggering the target cell to switch to a first state; wherein the first object includes at least one of a first target reference signal and a first target channel;
- the first signal includes at least one of the following: an on-off keying (OOK) signal; an amplitude-shifted keying (ASK) signal; a frequency-shifted keying (FSK) signal; or a phase-shifted keying (PSK) signal.
- OOK on-off keying
- ASK amplitude-shifted keying
- FSK frequency-shifted keying
- PSK phase-shifted keying
- An embodiment of the present disclosure further provides a processor-readable storage medium, wherein the processor-readable storage medium stores a computer program, and the computer program is used to enable the processor to execute the steps of the signal processing method as described above.
- the terminal sends a first signal
- the first signal includes at least one of the following: an OOK signal; an ASK signal; an FSK signal; a PSK signal.
- the OOK/ASK/FSK/PSK signal can be used to wake up the target cell, trigger the target cell to send and/or receive the first object, and trigger the target cell to switch to the first state.
- the signal transmitted between the terminal and the network side device in the related technical solution is an OFDM signal
- the network side device in the sleep or energy-saving state cannot process the OFDM signal (such as fast Fourier transform FFT)
- the above-mentioned OOK/ASK/FSK/PSK signal is a low-power signal different from the OFDM signal
- the processing method of the low-power signal is different from the processing method of the OFDM signal in the related technology
- the cell in the sleep state or the energy-saving state can process the low-power signal, so that the terminal can communicate with the sleep cell or the cell in the energy-saving state without synchronization through the low-power signal, thereby achieving the purpose of waking up the sleep cell or triggering the sleep cell to wake up and provide services.
- FIG1 is a structural diagram of a network system to which the embodiments of the present disclosure can be applied;
- FIG2 is a schematic diagram showing one of the flow charts of the information processing method according to the embodiment of the present disclosure
- FIG3 shows one of the schematic diagrams of a signal transmitter in an embodiment of the present disclosure
- FIG4 shows a second schematic diagram of a signal transmitter in an embodiment of the present disclosure
- FIG5 is a schematic diagram showing one of the first signals in an embodiment of the present disclosure.
- FIG6 shows a second schematic diagram of the first signal in an embodiment of the present disclosure
- FIG7 shows a third schematic diagram of the first signal in an embodiment of the present disclosure
- FIG8 is a fourth schematic diagram showing the first signal in an embodiment of the present disclosure.
- FIG9 is a fifth schematic diagram showing a first signal according to an embodiment of the present disclosure.
- FIG10 is a sixth schematic diagram showing the first signal in an embodiment of the present disclosure.
- FIG11 is a seventh schematic diagram showing the first signal in an embodiment of the present disclosure.
- FIG12 is an eighth schematic diagram showing the first signal in an embodiment of the present disclosure.
- FIG13 is a second flow chart of the information processing method according to an embodiment of the present disclosure.
- FIG14 shows one of the interactive schematic diagrams of the information processing method according to an embodiment of the present disclosure
- FIG15 shows a second interactive schematic diagram of the information processing method according to an embodiment of the present disclosure
- FIG16 shows a third interactive schematic diagram of the information processing method according to an embodiment of the present disclosure.
- FIG17 shows a fourth interactive schematic diagram of the information processing method according to an embodiment of the present disclosure.
- FIG18 is a block diagram showing one of the structures of the information processing device according to an embodiment of the present disclosure.
- FIG19 shows a second structural block diagram of the information processing device according to an embodiment of the present disclosure.
- FIG20 is a schematic diagram showing one of the modules of the information processing device according to an embodiment of the present disclosure.
- FIG. 21 shows a second module schematic diagram of the information processing device according to an embodiment of the present disclosure.
- the term "and/or” describes the association relationship of associated objects, indicating that three relationships may exist.
- a and/or B may represent three situations: A exists alone, A and B exist at the same time, and B exists alone.
- the character “/” generally indicates that the associated objects before and after are in an "or” relationship.
- the term “plurality” refers to two or more than two, and other quantifiers are similar.
- words such as “exemplary” or “for example” are used to indicate examples, illustrations, or descriptions. Any embodiment or design described as “exemplary” or “for example” in the embodiments of the present disclosure should not be interpreted as being more preferred or more advantageous than other embodiments or designs. Specifically, the use of words such as “exemplary” or “for example” is intended to present related concepts in a specific way.
- FIG1 shows a block diagram of a wireless communication system applicable to the embodiments of the present disclosure.
- the wireless communication system includes a terminal device 11 and a network side device (or network device) 12.
- the terminal device 11 may also be referred to as a terminal or a user terminal (User Equipment, UE). It should be noted that the specific type of the terminal 11 is not limited in the embodiments of the present disclosure.
- the network side device 12 may be a base station or a core network. It should be noted that in the embodiments of the present disclosure, only the base station in the NR system is taken as an example, but the specific type of the base station is not limited.
- an embodiment of the present disclosure provides a signal processing method, which is executed by a terminal.
- the method includes:
- Step 201 Send a first signal for at least one of the following:
- Triggering the target cell to switch to a first state for example, the first state includes a light sleep state
- the first signal includes at least one of the following: On-Off Keying (OOK) signal; Amplitude Shift Keying (ASK) signal; Frequency Shift Keying (FSK) signal; Phase Shift Keying (PSK) signal.
- OOK On-Off Keying
- ASK Amplitude Shift Keying
- FSK Frequency Shift Keying
- PSK Phase Shift Keying
- the terminal may send the first signal to the target cell or the base station where the target cell is located by broadcasting.
- the first signal may be sent through a first signal dedicated transmitter or through an NR transmitter.
- the target cell includes at least one of a dormant cell, a closed cell, a sleeping cell, and a power-saving cell.
- the target cell may be a primary serving cell or a secondary cell, and the target cell has a cell identity (ID).
- the above-mentioned terminal includes a terminal to be served, which may be a dedicated terminal that only includes sending/receiving OOK/ASK/FSK/PSK signals based on Orthogonal Frequency Division Multiplexing (OFDM), or a terminal that simultaneously includes sending/receiving OOK/ASK/FSK/PSK signals based on OFDM and sending/receiving NR signals.
- a terminal to be served which may be a dedicated terminal that only includes sending/receiving OOK/ASK/FSK/PSK signals based on Orthogonal Frequency Division Multiplexing (OFDM), or a terminal that simultaneously includes sending/receiving OOK/ASK/FSK/PSK signals based on OFDM and sending/receiving NR signals.
- OFDM Orthogonal Frequency Division Multiplexing
- the OOK/ASK/FSK/PSK uplink signal sent by the terminal may be based on a multi-carrier waveform, such as Cyclic Prefix OFDM (CP-OFDM), or may be based on a single-carrier waveform, such as Discrete Fourier Transform-Spread OFDM (DFT-S-OFDM).
- CP-OFDM Cyclic Prefix OFDM
- DFT-S-OFDM Discrete Fourier Transform-Spread OFDM
- the above-mentioned first target reference signal includes at least one of the following: primary synchronization signal (Primary Synchronisation Signal, PSS), secondary synchronization signal (Secondary Synchronisation Signal, SSS), synchronization signal/physical broadcast channel signal block (Synchronization Signal Block, SSB), tracking reference signal (CSI Reference Signal for Tracking, TRS), positioning reference signal (Positioning Reference Signal, PRS), phase tracking reference signal (Phase-tracking reference signal, PT-RS), random access preamble, sounding reference signal (Sounding Reference Signal, SRS), demodulation reference signal (Demodulation Reference Signal, DMRS), CSI reference signal (CSI Reference Signal, CSI-RS).
- the first target channel includes at least one of the following: physical uplink control channel (PUCCH), physical downlink control channel (PDCCH), physical broadcast channel (PBCH), physical random access channel (PRACH), physical sidelink shared channel (PSSCH), physical downlink shared channel (PDSCH), and physical uplink shared channel (Physical Uplink Shared Channel, PUSCH).
- PUCCH physical uplink control channel
- PDCCH physical downlink control channel
- PBCH physical broadcast channel
- PRACH physical random access channel
- PSSCH physical sidelink shared channel
- PDSCH physical downlink shared channel
- Physical Uplink Shared Channel Physical Uplink Shared Channel
- the first signal includes signal information and indication information
- the signal information includes at least one of the amplitude, frequency, carrier, bandwidth, phase, power and energy of the first signal.
- the indication information is used to indicate that the first signal is used for at least one of the following: discovering a terminal; waking up a target cell; triggering the target cell to send and/or receive a first object; triggering the target cell to switch to the first state.
- the above OOK/ASK/FSK/PSK signal is a low-power signal.
- the network-side device corresponding to the above target cell can detect and process the OOK/ASK/FSK/PSK signal by means of envelope detection, and then through the low-power signal, the terminal can communicate with the dormant cell or the cell in energy-saving state without synchronization, thereby waking up the dormant cell or triggering the dormant cell to wake up and provide services.
- the terminal sends a first signal
- the first signal includes at least one of the following: an OOK signal; an ASK signal; an FSK signal; a PSK signal.
- the OOK/ASK/FSK/PSK signal can be used to wake up the target cell, trigger the target cell to send and/or receive the first object, and trigger the target cell to switch to the first state.
- the signal transmitted between the terminal and the network side device in the related technical solution is an OFDM signal
- the network side device in the sleep or energy-saving state cannot process the OFDM signal (such as fast Fourier transform FFT)
- the above-mentioned OOK/ASK/FSK/PSK signal is a low-power signal different from the OFDM signal
- the processing method of the low-power signal is different from the processing method of the OFDM signal in the related technology
- the cell in the sleep state or energy-saving state can process the low-power signal, so that the terminal can communicate with the sleep cell or the cell in the energy-saving state without synchronization through the low-power signal, thereby achieving the purpose of waking up the sleep cell or triggering the sleep cell to wake up and provide services.
- the first signal is a signal based on Orthogonal Frequency Division Multiplexing (OFDM), that is, the first signal is an OOK/ASK/FSK/PSK signal based on OFDM.
- OFDM Orthogonal Frequency Division Multiplexing
- the architecture of the transceiver of the New Radio (NR) in the related technology can be used to further avoid adding a new transceiver, thereby simplifying the complexity of the transceiver.
- the detection of OOK/ASK/FSK/PSK modulated signals can greatly reduce the power consumption of the receiving end, thereby achieving energy saving, because there is no need to perform an inverse Fourier transform (IFFT) operation to perform envelope, filtering or phase detection.
- IFFT inverse Fourier transform
- the first signal carries at least one of the following:
- Discover terminal related information for example, information related to the amplitude/phase/power/energy of a signal used for signal detection
- Information related to waking up the target cell includes indication information for waking up the target cell or the cell group where the target cell is located and information related to the identity of the target cell or the cell group where the target cell is located, where the indication information for waking up the target cell is used to indicate whether to wake up the target cell;
- Information related to the triggered target cell for example, including indication information of the target cell or the cell group to which the target cell belongs and information related to the identifier of the target cell or the cell group to which the target cell belongs.
- the triggered target cell indication signal is used to indicate the target cell to be triggered;
- Relevant information for triggering the target cell to send and/or receive the first object for example, including first target reference signal sending and/or receiving indication information, where the indication information is used to indicate at least one of the first target reference signal and the first target channel sent or received by the target cell;
- the relevant information for triggering the target cell to switch to the first state includes, for example, cell state indication information.
- the first signal carries at least one of the following:
- Wake-up cell indication information used to indicate whether to wake up the target cell
- Cell identity related information used to indicate the cell information related to the sending/receiving of wake-up or trigger signals/channels
- First object sending/receiving indication information used to indicate the first object sent/received by the target cell
- Function trigger indication information is used to instruct the target cell to turn on or off specific functions, such as measurement, synchronization, positioning, energy saving, access, and specific service transmission;
- Terminal specific identification used to indicate the specific type or terminal identification of the terminal, such as: terminal type identification, terminal version identification, terminal identification supporting specific services, and related indications on whether the target cell can be woken up;
- Terminal demand information related identifiers are used to indicate the current service requirements of the terminal, such as access, measurement, synchronization, positioning, energy saving, and specific service transmission requirements; or, to indicate the current service requirements of the terminal, such as enhanced mobile broadband (eMBB) service, extended reality (XR) service, Ultra-Reliable and Low Latency Communications (URLLC) service, massive Machine Type of Communication (mMTC) service, Ambient Internet of Things (AIoT) service, etc.
- eMBB enhanced mobile broadband
- XR extended reality
- URLLC Ultra-Reliable and Low Latency Communications
- mMTC massive Machine Type of Communication
- AIoT Ambient Internet of Things
- the cell state indication information is used to instruct the target cell to switch between at least two states, or to switch to the first state.
- the network side device may wake up the target cell after receiving the above-mentioned first signal for a certain period of time; trigger the target cell to send and/or receive the first object; trigger the target cell to switch to at least one of the first state.
- the terminal When the terminal does not receive any synchronization signal sent by the target cell, such as: Primary Synchronisation Signal (PSS), Secondary Synchronisation Signal (SSS), Synchronization Signal/Physical Broadcast Channel Signal Block (SSB), Tracking Reference Signal (TRS), etc., or when the terminal receives synchronization signals sent by the target cell at a longer time interval, such as: PSS, SSS, SSB, TRS, etc., the terminal cannot achieve synchronization or precise synchronization with the base station, and the terminal cannot send any signal to the base station based on the NR signal in the related technology.
- the terminal sends a first signal, which is a modulated signal based on OOK/ASK/FSK/PSK.
- the base station and the terminal do not need to be precisely synchronized, and the first signal can be detected based on the amplitude/power/energy/phase and other related information of the first signal, that is, the effect of discovering the terminal without precise synchronization is achieved.
- the first signal may also jointly indicate at least one of the following purposes: waking up the target cell; triggering the target cell to send and/or receive the first object; triggering the target cell to switch to the first state, etc. That is, when the base station detects the first signal of the terminal, it may wake up the target cell; trigger the target cell to send and/or receive the first object; trigger the target cell to switch to the first state, etc.
- the specific joint indication may be determined by the protocol definition, terminal pre-stored information, core network information, terminal historical information, etc.
- the first signal when the terminal can achieve coarse synchronization with the base station, can further carry at least one indication information such as waking up the target cell; triggering the target cell to send and/or receive the first object; triggering the target cell to switch to the first state.
- the first signal when the first signal is a different time domain or frequency domain sequence style, it corresponds to different indication information.
- the base station detects that the first signal is a specific time domain or frequency domain sequence style, it obtains the corresponding indication information, and then sends and/or receives at least one of a specific reference signal and a specific channel.
- the base station does not need to continuously send a synchronization signal for fine synchronization to the terminal, such as: when the SSB period is less than or equal to 160ms, that is, the base station can be awakened according to the terminal service needs, or triggered to send and/or receive the first object, or switch to the transmission and reception of signals/channels in different energy-saving states when achieving network-side energy saving, so as not to affect the business service needs of the terminal.
- the terminal needs to trigger the target cell to send SSB and/or tracking reference signal (Tracking Reference Signal, TRS) for synchronization service
- the target cell needs to send positioning reference signal (Positioning Reference Signal, PRS) and/or receive sounding reference signal (Sounding Reference Signal, SRS) for positioning service.
- the measurement needs to trigger the target cell to send SSB and/or CSI reference signal (CSI Reference Signal, CSI-RS).
- Access needs to send SSB, send random access preamble (preamble) and receive physical random access channel (Physical Random-Access Channel, PRACH) and at least one of the above.
- the base station only needs to send and/or receive the above reference signal and/or channel according to the first signal, and does not need to send and/or receive all reference signals and channels, thereby achieving energy saving on the network side.
- the first state can be one of at least one cell state, or different parameter configuration sets can correspond to different cell states.
- the cell state can be a cell energy-saving state, or a cell providing different service states.
- the terminal can select a cell according to its business needs, such as: the terminal only needs to perform radio resource management (Radio Resource Management, RRM) measurement.
- RRM Radio Resource Management
- the target cell only needs to be in a light sleep state and send SSB or CSI-RS with a period of 80ms.
- the base station only needs to trigger the reference signal/channel sending/receiving in the light sleep state according to the first signal, so as to achieve energy saving of the base station while meeting the business needs of the terminal.
- the method of the present disclosure further includes:
- a first response signal to the first signal is acquired.
- the base station detects the first signal and sends a first response signal to the first signal when the signal information of the first signal satisfies a first condition. For example, the base station sends the first response signal when the signal information of the first signal satisfies a specific threshold or a specific value.
- the first response signal carries at least one of the following:
- the confirmation information may be an OOK/ASK/FSK/PSK signal, for example, an OFDM-based OOK/ASK/FSK/PSK signal;
- the feedback information may be an OOK/ASK/FSK/PSK signal, for example, an OFDM-based OOK/ASK/FSK/PSK signal;
- the first reference signal and/or the first channel; the first reference signal is used as a reference signal for whether a subsequent terminal wakes up a dormant cell or provides a reference signal for a specific function for the terminal.
- the specific function may be synchronization, measurement or positioning functions.
- the reference signal may be PSS, SSS, SSB, CSI-RS, TRS, PRS, PTRS, etc.
- the first channel includes a downlink control channel, an uplink control channel, PBCH, PRACH, etc.
- Cell information of the cell that sends the first response signal such as cell identification information.
- the first response signal may be sent by at least one base station that receives the first signal.
- the base station For the first response signal being feedback information or confirmation information of the first signal, in order to avoid the base station being awakened by each terminal of the first signal, or being triggered to send/receive signals, or being triggered to switch to the first state of the cell, affecting the energy saving gain of the base station.
- the base station After the base station detects the first signal, it can determine whether to be awakened, or triggered to send/receive signals, or triggered to switch to the first state of the cell for confirmation or feedback based on the internal implementation algorithm, and further instruct the terminal whether to wake up the cell, or whether to trigger sending/receiving signals, or whether to trigger switching to the first state of the cell, or whether to receive the first signal. On the one hand, it reduces the base station being awakened unconditionally, and on the other hand, it reduces the terminal from sending the first signal uninterruptedly, so that both parties understand each other.
- the base station For the first response signal being the first reference signal and/or the first channel, for example, after the base station detects the first signal, it sends the first reference signal, such as PSS, SSS, TRS, SSB, etc., receives the channel PRACH, PDCCH where Paging is located, etc., which can be used for the terminal to perform subsequent communication behaviors, such as synchronization, RRM measurement, cell access, random access, and paging.
- the terminal receives and/or sends the first reference signal and/or the first channel at a specific time interval after sending the first signal.
- the terminal After receiving the response signal sent by at least one cell, the terminal selects a target cell to provide services for the terminal through a specific algorithm, such as a cell selection process.
- the terminal can enter a dormant state. If the terminal only receives the response signal sent by one cell, the current cell is used as the target cell, and the terminal accesses the target cell. The cell of this method does not need to be in service all the time, thereby reducing energy consumption on the network side.
- the terminal can also access the target cell by detecting the first reference signal and/or the first channel sent/received by the target cell, so as to obtain the service provided by the target cell and reduce the impact on service performance.
- the terminal can also achieve synchronization with the network side by receiving the first response signal, and further send signals to the target cell, providing the prerequisite for sending and receiving at least one of the target reference signal, target channel, sending target indication information, and the second signal triggered by it, that is: the sending and receiving parties are synchronized.
- the method of the present disclosure further includes:
- a second signal is sent to a specific cell, wherein the second signal is used to indicate at least one of the following: waking up the specific cell; triggering the specific cell to send or receive a second object; triggering the specific cell to switch to a second state, wherein the second object includes at least one of a second target reference signal and a second target channel.
- the second target reference signal includes at least one of the following: primary synchronization signal (Primary Synchronisation Signal, PSS), secondary synchronization signal (Secondary Synchronisation Signal, SSS), synchronization signal/physical broadcast channel signal block (Synchronization Signal Block, SSB), TRS, positioning reference signal (Positioning Reference Signal, PRS), phase tracking reference signal (Phase-tracking reference signal, PT-RS), random access preamble, sounding reference signal (Sounding Reference Signal, SRS), demodulation reference signal (Demodulation Reference Signal, DMRS), CSI reference signal (CSI Reference Signal, CSI-RS).
- the second target channel includes at least one of the following: physical uplink control channel (PUCCH), physical downlink control channel (PDCCH), physical broadcast channel (PBCH), physical random access channel (PRACH), physical sidelink shared channel (PSSCH), physical downlink shared channel (PDSCH), and physical uplink shared channel (Physical Uplink Shared Channel, PUSCH).
- PUCCH physical uplink control channel
- PDCCH physical downlink control channel
- PBCH physical broadcast channel
- PRACH physical random access channel
- PSSCH physical sidelink shared channel
- PDSCH physical downlink shared channel
- Physical Uplink Shared Channel Physical Uplink Shared Channel
- the terminal may determine to which target cell to send the second signal based on the first response signal. That is, the specific cell is one or more cells in the target cells. Specifically, the terminal may randomly determine one or more cells (that is, the specific cells) in the target cell that sends the first response signal, or may determine one or more cells (that is, the specific cells) in the target cell that sends the first response signal in other ways.
- the second signal carries at least one of the following:
- the second signal carries at least one of the following:
- Cell wake-up indication information used to indicate whether to wake up a specific cell
- Cell identity related information used to indicate the cell information related to the sending/receiving of wake-up or trigger signals/channels
- Second object sending/receiving indication information used to indicate the second object sent/received by the specific cell
- Function trigger indication information is used to instruct a specific cell to turn on or off a specific function, such as measurement, synchronization, positioning, energy saving, access, and specific service transmission;
- Terminal specific identification used to indicate the specific type or terminal identification of the terminal, such as: terminal type identification, terminal version identification, terminal identification supporting specific services, and related indications on whether the target cell can be woken up;
- Terminal demand information related identifiers are used to indicate the current service requirements of the terminal, such as access, measurement, synchronization, positioning, energy saving, and specific service transmission requirements; or, indicate the current service requirements of the terminal, such as eMBB service, XR service, URLLC service, mMTC service, AIoT service, etc.;
- the cell state indication information is used to instruct a specific cell to switch between at least two states, or to switch to a second state.
- the terminal may also send a second signal, and may further provide additional information to the base station.
- the additional information includes at least one of the following: enhanced or supplementary information of the first signal, that is, information that improves the reception performance of the first signal, or provides supplementary information of the first signal.
- the second signal is a repeated signal of the first signal, or the second signal carries information related to the first signal, but the first signal and the second signal are two different signals.
- the terminal sends the second signal to improve the performance of the base station discovering the terminal and obtaining the information carried by the first signal and/or the second signal.
- the second signal is used to provide supplementary information of the first signal, such as: the first signal is a broadcast transmission based on the terminal and the base station are not synchronized or not precisely synchronized, and is used as a signal for the base station to discover the terminal.
- the second signal can be sent as supplementary information of the terminal, such as: the version or type of the terminal, so that the target cell that can serve the terminal can be discovered.
- the base station detects the first signal, it detects the second signal. If the cell can provide services for the terminal, the cell is awakened as the target cell and is triggered to send or receive the second object; triggering switching to at least one of the second state. In this way, by sending the second signal, the accuracy of waking up or triggering the target cell can be improved, and the energy saving performance of the network can be improved.
- the terminal After receiving the first response signal, the terminal sends a second signal to further indicate to wake up the target cell, trigger the target cell to send or receive the second object; trigger the target cell to switch to at least one of the second state.
- the terminal after receiving the first response signal, such as: for synchronization signals PSS, SSS, TRS, SSB, etc., the terminal can synchronize with the base station.
- the terminal can carry the indication information of the target cell, which is used to wake up the target cell, trigger the target cell to send or receive the second object; trigger the target cell to switch to at least one of the second state.
- the target cell can be specifically indicated by the second signal, or implicitly indicated by the second signal having a specific association relationship with the response signal sent by the target cell.
- the target cell can send a synchronization signal according to the terminal service requirements, and then obtain more accurate indication information, such as: relevant indication information awakened by the terminal, or relevant indication information triggering the sending or receiving of the second object; or triggering at least one of the relevant indication information of switching to a specific cell state, without having to be in the case of providing a synchronization signal with the terminal, thereby achieving network side energy saving.
- relevant indication information awakened by the terminal or relevant indication information triggering the sending or receiving of the second object
- triggering at least one of the relevant indication information of switching to a specific cell state without having to be in the case of providing a synchronization signal with the terminal, thereby achieving network side energy saving.
- the second signal may also jointly indicate at least one of waking up a specific cell, triggering the specific cell to send and/or receive a second object, triggering the specific cell to switch to a second state, etc., that is, when the base station detects the second signal of the terminal, it may wake up the specific cell, trigger the specific cell to send and/or receive a second object, trigger the specific cell to switch to a second state, etc.
- the specific joint indication may be determined by at least one of the protocol definition, terminal pre-stored information, core network information, terminal historical information, etc.
- the second signal when the terminal can achieve coarse synchronization with the base station, can further carry at least one indication information of waking up a specific cell; triggering a specific cell to send and/or receive a second object; triggering a specific cell to switch to a second state, etc.
- the second signal when the second signal is a different time domain or frequency domain sequence pattern, it corresponds to different indication information.
- the base station detects that the second signal is a specific time domain or frequency domain sequence pattern, it obtains the corresponding indication information, and then sends and/or receives at least one of a specific reference signal and a specific channel.
- the base station does not need to continuously send a synchronization signal for fine synchronization to the terminal, such as: when the SSB period is less than or equal to 160ms, that is, the base station can be awakened according to the terminal service needs, or triggered to send and/or receive the second object, or switch to the transmission and reception of signals/channels in different energy-saving states when achieving energy saving on the network side, so as not to affect the business service needs of the terminal.
- the terminal needs to trigger the target cell to send SSB and/or tracking reference signal (Tracking Reference Signal, TRS) for synchronization service
- the target cell needs to send positioning reference signal (Positioning Reference Signal, PRS) and/or receive sounding reference signal (Sounding Reference Signal, SRS) for positioning service.
- the measurement needs to trigger the target cell to send SSB and/or CSI reference signal (CSI Reference Signal, CSI-RS).
- Access needs to send SSB, send random access preamble (preamble) and receive physical random access channel (Physical Random-Access Channel, PRACH) and at least one of the above.
- the base station only needs to send and/or receive the above reference signal and/or channel according to the second signal, and does not need to send and/or receive all reference signals and channels, thereby achieving energy saving on the network side.
- the second state can be one of at least one cell state, or different parameter configuration sets correspond to different cell states.
- the cell state can be a cell energy-saving state, or a cell providing different service states.
- the terminal can select a cell based on its business needs, such as: the terminal only needs to perform RRM measurement to select a cell.
- the target cell only needs to be in a light sleep state and send SSB or CSI-RS with a period of 80ms.
- the base station only needs to trigger the sending/receiving of the reference signal/channel in the light sleep state according to the second signal, so as to achieve energy saving of the base station while meeting the business needs of the terminal.
- the method of the present disclosure further includes:
- a second response signal is acquired, where the second response signal is a response signal to a target signal, and the target signal includes the second signal, or includes the first signal and the second signal.
- the base station may send a first response signal after receiving a first signal and send a second response signal after receiving a second signal, or may send the second response signal after receiving the first signal and the second signal.
- the second response signal carries at least one of the following:
- the confirmation information may be an OOK/ASK/FSK/PSK signal, for example, an OFDM-based OOK/ASK/FSK/PSK signal;
- the feedback information may be an OOK/ASK/FSK/PSK signal, for example, an OFDM-based OOK/ASK/FSK/PSK signal;
- a second reference signal or a second channel is used as a reference signal for determining whether a subsequent terminal wakes up a dormant cell or provides a reference signal for providing a specific function for the terminal.
- the specific function may be synchronization, measurement, or positioning.
- the reference signal may be SSB, CSI-RS, TRS, random access preamble, etc.
- the second channel includes a downlink control channel and/or an uplink control channel.
- the cell information of the cell that sends the second response signal such as cell identification information.
- the second response signal may be sent by the target cell that receives the second signal.
- the base station For the feedback information or confirmation information of the second response signal being the second signal, in order to avoid the base station being awakened by each terminal of the second signal, or being triggered to send and/or receive signals, or being triggered to switch to the second state of the cell, affecting the energy saving gain of the base station.
- the base station After the base station detects the second signal, it can determine whether to be awakened according to the internal implementation algorithm, or be clearly indicated by the second signal whether to be awakened, or be triggered to send/receive signals, or be triggered to switch to the second state of the cell for confirmation or feedback, and further indicate whether the terminal wakes up the cell, or whether to trigger sending/receiving signals, or whether to trigger switching to the second state of the cell, or whether to receive the second signal. On the one hand, it reduces the base station being awakened unconditionally, and on the other hand, it responds to the sending of the second signal by the terminal, so that both parties understand each other.
- the base station For the second response signal being the second reference signal and/or the second channel, for example, after the base station detects the second signal, it sends a second reference signal, such as PSS, SSS, TRS, SSB, etc., and receives the channel PRACH, PDCCH where Paging is located, etc., which can be used by the terminal to perform at least one of subsequent synchronization, RRM measurement, cell access, random access and paging.
- the terminal receives/sends the second reference signal and/or the second channel in a specific time period after receiving the second response signal.
- the target cell After receiving the response signal, the target cell provides service to the terminal.
- the cell that does not send the second response signal cannot be accessed by the terminal within a specific time period, and the cell enters a dormant state without being in a service state all the time, thereby reducing energy consumption on the network side.
- the method of the present disclosure further includes:
- the first moment includes at least one of the following:
- the second response signal being a response signal of the second signal, or being a response signal of the first signal and the second signal;
- the first specific cell includes at least one of the following:
- the first specific reference signal includes at least one of a first target reference signal indicated by a first signal, a second target reference signal indicated by a second signal, a first reference signal indicated by a first response signal, a second reference signal indicated by a second response signal, a reference signal agreed upon by a protocol, a reference signal configured by a higher layer, a reference signal pre-stored by a terminal, or a reference signal notified by neighboring cell signaling;
- the first specific channel includes at least one of a first target channel indicated by a first signal, a second target channel indicated by a second signal, a first channel indicated by a first response signal, a second channel indicated by a second response signal, a channel agreed upon by a protocol, a channel configured by a higher layer, a channel pre-stored by a terminal, or a channel notified by neighboring cell signaling;
- the second signal is used to indicate at least one of the following: waking up a specific cell; triggering the specific cell to send or receive a second object; triggering the specific cell to switch to a second state, and the second object includes at least one of a second target reference signal and a second target channel.
- a first specific reference signal or a first specific channel in an RRC idle state or an RRC inactive state is received or sent in a first specific cell.
- the above-mentioned first specific reference signal includes at least one of Public Land Mobile Network (PLMN) selection information, location registration related information, synchronization signal/physical broadcast channel signal block (Synchronization Signal and PBCH block, SSB)/system information block (System Information Block, SIB), cell selection/reselection information, tracking reference signal (Tracking Reference Signal, TRS), broadcast message, paging message, random access related information, etc.
- PLMN Public Land Mobile Network
- location registration related information includes synchronization signal/physical broadcast channel signal block (Synchronization Signal and PBCH block, SSB)/system information block (System Information Block, SIB), cell selection/reselection information, tracking reference signal (Tracking Reference Signal, TRS), broadcast message, paging message, random access related information, etc.
- PLMN Public Land Mobile Network
- the method of the present disclosure further includes:
- the second moment includes at least one of the following:
- the second response signal being a response signal of the second signal, or being a response signal of the first signal and the second signal;
- the second specific cell includes at least one of the following:
- the second specific reference signal includes at least one of a first target reference signal indicated by the first signal, a second target reference signal indicated by the second signal, a first reference signal indicated by the first response signal, a second reference signal indicated by the second response signal, a reference signal agreed upon by a protocol, a reference signal configured by a high layer, a reference signal associated with the first signal, or a reference signal associated with the second signal; for example, the second specific reference signal includes an SSB, a CSI-RS or a synchronization signal, etc.
- the second specific channel includes at least one of a first target channel indicated by a first signal, a second target channel indicated by a second signal, a first channel indicated by a first response signal, a second channel indicated by a second response signal, a channel agreed upon by a protocol, a channel configured by a high layer, a channel associated with the first signal, or a channel associated with the second signal.
- the above-mentioned first signal is used to trigger the target cell to send and/or receive a first object
- the above-mentioned second signal is used to trigger a specific cell to send and/or receive a second object, at a second moment, a second specific reference signal or a second specific channel of the second specific cell is sent or received.
- the method of the present disclosure further includes:
- the third moment includes at least one of the following:
- the second response signal being a response signal of the second signal, or being a response signal of the first signal and the second signal;
- the specific cell state includes at least one of a first state indicated by a first signal, a second state indicated by a second signal, a cell state agreed upon by a protocol, a cell state configured by a high layer, a cell state indicated by the first response signal, a cell state indicated by the second response signal, a cell state associated with the first response signal, or a cell state associated with the second response signal;
- the third specific reference signal includes at least one of a reference signal configured by high-layer signaling, a reference signal configured by core network signaling, a reference signal pre-stored by the terminal, or a reference signal notified by neighboring cell signaling;
- the third specific channel includes at least one of a channel configured by high-level signaling, a channel configured by core network signaling, a channel pre-stored by the terminal, or a channel notified by neighboring cell signaling.
- the above-mentioned third specific reference signal includes at least one of the following: primary synchronization signal (Primary Synchronisation Signal, PSS), secondary synchronization signal (Secondary Synchronisation Signal, SSS), synchronization signal/physical broadcast channel signal block (Synchronization Signal Block, SSB), TRS, positioning reference signal (Positioning Reference Signal, PRS), phase tracking reference signal (Phase-tracking reference signal, PT-RS), random access preamble, sounding reference signal (Sounding Reference Signal, SRS), demodulation reference signal (Demodulation Reference Signal, DMRS), CSI reference signal (CSI Reference Signal, CSI-RS).
- the third specific channel includes at least one of the following: physical uplink control channel (PUCCH), physical downlink control channel (PDCCH), physical broadcast channel (PBCH), physical random access channel (PRACH), physical sidelink shared channel (PSSCH), physical downlink shared channel (PDSCH), and physical uplink shared channel (Physical Uplink Shared Channel, PUSCH).
- PUCCH physical uplink control channel
- PDCCH physical downlink control channel
- PBCH physical broadcast channel
- PRACH physical random access channel
- PSSCH physical sidelink shared channel
- PDSCH physical downlink shared channel
- Physical Uplink Shared Channel Physical Uplink Shared Channel
- a third specific reference signal and/or a third specific channel in the specific cell state is sent and/or received.
- the third moment, the second moment and the first moment in the embodiment of the present disclosure may be the same or different.
- Embodiment 1 A method for generating an OOK/ASK/FSK/PSK signal based on OFDM;
- the transmitter for sending the first signal and/or the second signal by the terminal may be a transmitter independent of the transmitter for sending the uplink NR signal, or may be the same transmitter.
- the receiver of the base station for receiving the first signal and/or the second signal may be a receiver independent of the receiver of the uplink NR signal, or may be the same receiver.
- OOK On-Off Keying
- MC-ASK Multi Carrier Amplitude Shift Keying
- the waveform generation of MC-ASK can include the following four optional waveform generation methods:
- the low power wake-up signal includes N sub-carriers (SC). After performing Inverse Fast Fourier Transform (IFFT) and adding a cyclic prefix (CP) on the LP-WUS, one OFDM symbol corresponds to a single bit.
- IFFT Inverse Fast Fourier Transform
- CP cyclic prefix
- the sub-carrier (SC) of the low power wake-up signal (LP-WUS) is:
- the 1-bit information can be used to trigger the signal of 1 OFDM symbol.
- the signal can be sent repeatedly N times.
- the base station receiver can detect continuously or detect the user's signal in a specific time period. The specific detection method depends on the base station implementation or is based on the relevant information of the first signal sent by the terminal.
- OOK-2 Parallel M-bits OOK in frequency domain.
- the LP-WUS is subjected to Inverse Fast Fourier Transform (IFFT) and Cyclic Prefix (CP) operations
- IFFT Inverse Fast Fourier Transform
- CP Cyclic Prefix
- the LP-WUS corresponds to parallel M-bits OOK in the frequency domain.
- the SC of LP-WUS is:
- the base station can detect the terminal based on a specific pattern of sequences, such as: "1010...1".
- the base station side receiver can detect continuously or detect the user's signal in a specific time period.
- the specific detection method depends on the base station implementation, or is based on the relevant information of the terminal sending the first signal.
- OOK-3 Multi-tone single-bit OOK
- the Low Power Wake Up Signal includes N sub-carriers (SC).
- the N SCs of LP-WUS are divided into L segments, as shown in FIG7 .
- L 2.
- IFFT Inverse Fast Fourier Transform
- CP Cyclic Prefix
- t0 and t1 represent the sequences corresponding to 0 and 1, respectively.
- the SC of LP-WUS is:
- the first signal is an OOK-3 signal, it can carry the same frequency domain sequence information in different segments, or carry different frequency domain sequence information in different segments.
- the receiver can continuously detect in the time domain and/or perform frequency domain scanning for first signal detection; it can also detect the user's signal in a specific time period or within a specific frequency domain resource range.
- the specific detection method depends on the base station implementation, or is based on the relevant information of the first signal sent by the terminal.
- the N SCs of OOK-4 are generated by transformation (DFT/least squares);
- N' samples are generated by M bits, and the N SCs of LP-WUS are generated by transformation (DFT/least squares); signal modulation may or may not be used; truncation or other additional modulation may or may not be used. If no other additional modulation is used, N is the same as N'.
- IFFT Inverse Fast Fourier Transform
- CP Cyclic Prefix
- OOK-4 can be considered as an example of an OOK signal based on a single carrier (such as DFT-S-OFDM), and can also be used as a signal generation method independent of an uplink single carrier (such as DFT-S-OFDM).
- a single carrier such as DFT-S-OFDM
- DFT-S-OFDM uplink single carrier
- the first signal/the second signal may also be an M-bit multi-carrier FSK signal, and specific examples are as follows:
- N SCs are separated into 2M segments, where M is an integer greater than or equal to 0.
- M 2, i.e., N SCs are separated into 4 segments, with potential guard bands between and around them.
- a segment includes one subcarrier or multiple consecutive SCs; one segment among the 2 ⁇ M segments is modulated, and the other segments of the SC are zero power (from the perspective of the baseband).
- the first signal/second signal can also be based on CP-OFDM, which can multiplex the synchronization signal of NR in the related technology, and can provide a higher data transmission rate. Furthermore, since the LP-WUR CP-OFDM signal and NR transmission are orthogonal, the protection bandwidth requirements between the two can be relaxed.
- transceivers when the functions of the first signal and/or the second signal are different, their transceivers (transceivers) are different.
- the transceiver of the first signal is independent of the transceiver of the NR.
- the first signal at least includes an OFDM-based OOK/ASK/FSK/PSK signal.
- the transceiver of the first signal or the second signal is independent of the transceiver of the NR, and may also be the same transceiver as the transceiver of the NR.
- the trigger signal includes at least an OFDM-based OOK/ASK/FSK/PSK signal.
- the second signal is a trigger signal based on the NR signal, that is, the uplink/downlink supports CP-OFDM signals, and the uplink can support DFT-S-OFDM signals.
- the transceiver of the signal is the same as the transceiver of the NR.
- the network side base station when the receiver of the first signal and/or the second signal can be independent of the receiver of the uplink NR signal, the network side base station does not need to keep the corresponding NR receiver turned on, but only needs to detect the first signal and/or the second signal.
- the receiver of the signal only needs 1/10 of the power consumption of the NR receiver, thereby achieving energy saving on the network side.
- the terminal can realize the function of base station discovering the terminal only through the low-power transmitter.
- the terminal When the transmitter of the first signal and/or the second signal is different from the transmitter of the uplink NR signal, the terminal only needs to send the first signal and/or the second signal through an independent transmitter, and this signal can be a relatively frequent and dense signal, thereby achieving the purpose of reducing the power consumption of the terminal.
- the architecture of the NR transceiver in the related technology can be utilized to further simplify the complexity of the transceiver, and the detection based on OOK/ASK/FSK/PSK modulation can greatly reduce the power consumption of the receiving end, thereby achieving energy saving.
- the embodiment of the present disclosure further provides an information processing method, which is executed by a network side device, and the method includes:
- Step 1301 Receive a first signal for at least one of the following:
- Discovering a terminal waking up a target cell; triggering the target cell to send or receive a first object; triggering the target cell to switch to a first state; wherein the first object includes at least one of a first target reference signal and a first target channel;
- the first signal includes at least one of the following: an on-off keying (OOK) signal; an amplitude-shifted keying (ASK) signal; a frequency-shifted keying (FSK) signal; or a phase-shifted keying (PSK) signal.
- OOK on-off keying
- ASK amplitude-shifted keying
- FSK frequency-shifted keying
- PSK phase-shifted keying
- the above-mentioned network side device includes a base station where the target cell is located, which can send and/or receive OFDM-based OOK/ASK/FSK/PSK signals and/or NR signals.
- the first signal may be received based on a dedicated receiver for the first signal, or may be received through an NR receiver.
- the target cell may continuously receive the first detection signal, may periodically receive the first detection signal, or may semi-continuously receive the first detection signal.
- the specific receiving algorithm may be determined by the internal algorithm of the target cell.
- the target cell includes at least one of a dormant cell, a closed cell, a sleeping cell, and a power-saving cell.
- the target cell may be a primary serving cell or a secondary cell, and the target cell has a cell ID.
- the first signal includes signal information and indication information
- the signal information includes at least one of the amplitude, frequency, carrier, bandwidth, phase, power and energy of the first signal.
- the indication information is used to indicate that the first signal is used for at least one of the following: discovering a terminal; waking up a target cell; triggering the target cell to send and/or receive a first object; triggering the target cell to switch to the first state.
- the above OOK/ASK/FSK/PSK signal is a low-power signal.
- the above network-side device can detect and process the OOK/ASK/FSK/PSK signal by means of envelope detection, and then through the low-power signal, the terminal can communicate with the dormant cell or the cell in the energy-saving state without synchronization, thereby waking up the dormant cell or triggering the dormant cell to wake up and provide services.
- the above-mentioned OOK/ASK/FSK/PSK signal is a low-power signal different from the OFDM signal.
- the processing method of the low-power signal is different from the processing method of the OFDM signal in the related technology.
- the cell in the sleep state or the energy-saving state can process the low-power signal, so that the terminal can communicate with the sleep cell or the cell in the energy-saving state without synchronization through the low-power signal, thereby achieving the purpose of waking up the sleep cell or triggering the sleep cell to wake up and provide services.
- the first signal is a signal based on orthogonal frequency division multiplexing (OFDM), that is, the first signal is an OOK/ASK/FSK/PSK signal based on OFDM.
- OFDM orthogonal frequency division multiplexing
- the architecture of the NR transceiver in the related technology can be used to further avoid adding a new transceiver, thereby simplifying the complexity of the transceiver.
- Signal detection based on OOK/ASK/FSK/PSK modulation can greatly reduce the power consumption of the receiving end because it does not require an inverse Fourier transform (IFFT) operation to perform envelope, filtering or phase detection, thereby achieving energy saving.
- IFFT inverse Fourier transform
- the first signal carries at least one of the following:
- Discover terminal related information for example, information related to the amplitude/phase/power/energy of a signal used for signal detection
- Related information about waking up the target cell includes indication information of waking up the target cell or information about the cell group where the target cell is located and information about the identity of the target cell or the cell group where the target cell is located, where the indication information of waking up the target cell is used to indicate whether to wake up the target cell;
- Information related to the triggered target cell for example, including indication information of the target cell or the cell group to which the target cell belongs and information related to the identity of the target cell or the cell group to which the target cell belongs, the triggered target cell indication signal is used to indicate the target cell to be triggered;
- Relevant information for triggering the target cell to send and/or receive the first object for example, including first target reference signal sending and/or receiving indication information, where the indication information is used to indicate at least one of the first target reference signal and the first target channel sent or received by the target cell;
- the relevant information for triggering the target cell to switch to the first state includes, for example, cell state indication information.
- the first signal carries at least one of the following:
- Wake-up cell indication information used to indicate whether to wake up the target cell
- Cell identity related information used to indicate the cell information related to the sending/receiving of wake-up or trigger signals/channels
- First object sending/receiving indication information used to indicate the first object sent/received by the target cell
- Function trigger indication information is used to instruct the target cell to turn on or off specific functions, such as measurement, synchronization, positioning, access, energy saving, and specific service transmission;
- Terminal specific identification used to indicate the specific type or terminal identification of the terminal, such as: terminal type identification, terminal version identification, terminal identification supporting specific services, and related indications on whether the target cell can be woken up;
- Terminal demand information related identifiers are used to indicate the current service requirements of the terminal, such as access, measurement, synchronization, positioning, energy saving, and specific service transmission requirements, etc.; or, indicate the current service requirements of the terminal, such as eMBB service, XR service, URLLC service, mMTC service, AIoT service, etc.
- Cell state indication information is used to indicate that the target cell switches between at least two states, or switches to the first state.
- the network side device may wake up the target cell after receiving the above-mentioned first signal for a certain period of time; trigger the target cell to send and/or receive the first object; and trigger the target cell to switch to the first state.
- the terminal When the terminal does not receive any synchronization signal sent by the target cell, such as the primary synchronization signal (PSS), the secondary synchronization signal (SSS), the synchronization signal/physical broadcast channel signal block (SSB), etc., or when the terminal receives the synchronization signal sent by the target cell at a longer time interval, such as PSS, SSS, SSB, etc., the terminal cannot achieve synchronization or precise synchronization with the base station, and the terminal cannot send any signal to the base station based on the NR signal in the related technology.
- the terminal sends a first signal, which is a modulated signal based on OOK/ASK/FSK/PSK.
- the base station and the terminal do not need to be precisely synchronized, and the first signal can be detected based on the amplitude/power/energy/phase and other related information of the first signal, that is, the effect of discovering the terminal without precise synchronization is achieved.
- the first signal may also jointly indicate at least one of the following purposes: waking up the target cell; triggering the target cell to send and/or receive the first object; triggering the target cell to switch to the first state, etc. That is, when the base station detects the first signal of the terminal, it may wake up the target cell; trigger the target cell to send and/or receive the first object; trigger the target cell to switch to the first state, etc.
- the specific joint indication may be determined by the protocol definition, terminal pre-stored information, core network information, terminal historical information, etc.
- the first signal when the terminal can achieve coarse synchronization with the base station, can further carry at least one indication information such as waking up the target cell; triggering the target cell to send and/or receive the first object; triggering the target cell to switch to the first state.
- the first signal when the first signal is a different time domain or frequency domain sequence style, it corresponds to different indication information.
- the base station detects that the first signal is a specific time domain or frequency domain sequence style, it obtains the corresponding indication information, and then sends and/or receives at least one of a specific reference signal and a specific channel.
- the base station does not need to continuously send a synchronization signal for fine synchronization to the terminal, such as: when the SSB period is less than or equal to 160ms, that is, the base station can be awakened according to the terminal service needs, or triggered to send and/or receive the first object, or switch to the transmission and reception of signals/channels in different energy-saving states when achieving network-side energy saving, so as not to affect the business service needs of the terminal.
- the terminal needs to trigger the target cell to send SSB and/or tracking reference signal (Tracking Reference Signal, TRS) for synchronization service, and the target cell needs to send positioning reference signal (Positioning Reference Signal, PRS) and/or receive sounding reference signal (Sounding Reference Signal, SRS) for positioning service.
- TRS Tracking Reference Signal
- SRS Sounding Reference Signal
- the measurement needs to trigger the target cell to send SSB, send the preamble (preamble) of random access and/or CSI reference signal (CSI Reference Signal, CSI-RS), and the access needs to send SSB and receive physical random access channel (Physical Random-Access Channel, PRACH) and at least one of the above.
- the base station only needs to send and/or receive the above reference signal and/or channel according to the first signal, and does not need to send and/or receive all reference signals and channels, thereby achieving energy saving on the network side.
- the first state can be one of at least one cell state, or different parameter configuration sets correspond to different cell states.
- the cell state can be a cell energy-saving state, or a cell providing different service states.
- the terminal can select a cell based on its business needs, such as: the terminal only needs to perform RRM measurement to select a cell.
- the target cell only needs to be in a light sleep state and send SSB or CSI-RS with a period of 80ms.
- the base station only needs to trigger the sending/receiving of the reference signal/channel in the light sleep state according to the first signal, so as to achieve energy saving of the base station while meeting the business needs of the terminal.
- the method after receiving the first signal, the method further includes:
- a first response signal is sent to the first signal.
- sending a first response signal to the first signal includes:
- the signal information includes at least one of the amplitude, frequency, carrier, bandwidth, phase, power and energy of the first signal.
- the base station performs first signal detection to obtain M bits of information carried by the first signal, where M is greater than or equal to 0, and the first signal includes signal information and/or carries indication information.
- the base station detects that the signal information of the first signal meets a specific threshold or a specific value, the base station sends a first response signal.
- the method of the present disclosure further includes:
- Discovering a terminal waking up a target cell; triggering the target cell to send or receive a first object; triggering the target cell to switch to a first state;
- the signal information includes at least one of the amplitude, frequency, carrier, bandwidth, phase, power and energy of the first signal.
- the first response signal carries at least one of the following:
- the confirmation information may be an OOK/ASK/FSK/PSK signal, for example, an OFDM-based OOK/ASK/FSK/PSK signal;
- the feedback information may be an OOK/ASK/FSK/PSK signal, for example, an OFDM-based OOK/ASK/FSK/PSK signal;
- a first reference signal and/or a first channel is used as a reference signal for whether a subsequent terminal wakes up a dormant cell or provides a reference signal for a specific function for the terminal.
- the specific function may be synchronization, measurement or positioning.
- the reference signal may be PSS, SSS, SSB, CSI-RS, TRS, PRS, PTRS, PRACH, etc.
- the first channel includes a downlink control channel and/or an uplink control channel.
- Cell information of the cell that sends the first response signal such as cell identification information.
- the first response signal may be sent by at least one base station that receives the first signal.
- the base station For the first response signal being feedback information or confirmation information of the first signal, in order to avoid the base station being awakened by each terminal of the first signal, or being triggered to send/receive signals, or being triggered to switch to the first state of the cell, affecting the energy saving gain of the base station.
- the base station After the base station detects the first signal, it can determine whether to be awakened, or triggered to send/receive signals, or triggered to switch to the first state of the cell for confirmation or feedback based on the internal implementation algorithm, and further instruct the terminal whether to wake up the cell, or whether to trigger sending/receiving signals, or whether to trigger switching to the first state of the cell, or whether to receive the first signal. On the one hand, it reduces the base station being awakened unconditionally, and on the other hand, it reduces the terminal from sending the first signal uninterruptedly, so that both parties understand each other.
- the base station For the first response signal being the first reference signal and/or the first channel, for example, after the base station detects the first signal, it sends the first reference signal, such as PSS, SSS, TRS, SSB, etc., receives the channel PRACH, PDCCH where Paging is located, etc., which can be used for the terminal to perform subsequent communication behaviors, such as synchronization, RRM measurement, cell access, random access, and paging.
- the terminal receives and/or sends the first reference signal and/or the first channel at a specific time interval after sending the first signal.
- the terminal After receiving the response signal sent by at least one cell, the terminal selects a target cell to provide services for the terminal through a specific algorithm, such as a cell selection process.
- the terminal can enter a dormant state. If the terminal only receives the response signal sent by one cell, the current cell is used as the target cell, and the terminal accesses the target cell. The cell of this method does not need to be in service all the time, thereby reducing energy consumption on the network side.
- the terminal can also access the target cell by detecting the first reference signal and/or the first channel sent/received by the target cell, so as to obtain the service provided by the target cell and reduce the impact on service performance.
- the terminal can also further send signals to the target cell when it is synchronized with the network side by receiving the first response signal, and provide a precondition for sending and receiving at least one of the target reference signal, target channel, sending target indication information, and the second signal triggered by it, that is, the sending and receiving parties are synchronized.
- the method of the embodiment of the present disclosure also includes:
- the second signal is used for at least one of the following: waking up a specific cell; triggering the specific cell to send or receive a second object; triggering the specific cell to switch to a second state, wherein the second object includes at least one of a second target reference signal and a second target channel.
- the terminal may determine to which target cell to send the second signal based on the first response signal. That is, the specific cell is one or more cells in the target cells. Specifically, the terminal may randomly determine one or more cells (that is, the specific cells) in the target cell that sends the first response signal, or may determine one or more cells (that is, the specific cells) in the target cell that sends the first response signal in other ways.
- the second signal carries at least one of the following:
- the second signal carries at least one of the following:
- Cell wake-up indication information used to indicate whether to wake up a specific cell
- Cell identity related information used to indicate the cell information related to the sending/receiving of wake-up or trigger signals/channels
- Second object sending/receiving indication information used to indicate the second object sent/received by the specific cell
- Function trigger indication information is used to instruct a specific cell to turn on or off a specific function, such as measurement, synchronization, positioning, energy saving, access, and specific service transmission;
- Terminal specific identification used to indicate the specific type or terminal identification of the terminal; such as: terminal type identification, terminal version identification, terminal identification supporting specific services, and related indications on whether the target cell can be woken up;
- Terminal demand information related identifiers are used to indicate the current service requirements of the terminal, such as access, measurement, synchronization, positioning, energy saving, access, specific service transmission requirements, etc.; or, indicate the current service requirements of the terminal, such as eMBB service, XR service, URLLC service, mMTC service, AIoT service, etc.;
- the cell state indication information is used to instruct a specific cell to switch between at least two states, or to switch to a second state.
- the terminal may also send a second signal, and may further provide additional information to the base station.
- the additional information includes at least one of the following: enhanced or supplementary information of the first signal, that is, information that improves the reception performance of the first signal, or provides supplementary information of the first signal.
- the second signal is a repeated signal of the first signal, or the second signal carries information related to the first signal, but the first signal and the second signal are two different signals.
- the terminal sends the second signal to improve the performance of the base station discovering the terminal and obtaining the information carried by the first signal and/or the second signal.
- the second signal is used to provide supplementary information of the first signal, such as: the first signal is a broadcast transmission based on the terminal and the base station are not synchronized or not precisely synchronized, and is used as a signal for the base station to discover the terminal.
- the second signal can be sent as supplementary information of the terminal, such as: the version or type of the terminal, so that the target cell that can serve the terminal can be discovered.
- the base station detects the first signal, it detects the second signal. If the cell can provide services for the terminal, the cell is awakened as the target cell and is triggered to send or receive the second object; triggering switching to at least one of the second state. In this way, by sending the second signal, the accuracy of waking up or triggering the target cell can be improved, and the energy saving performance of the network can be improved.
- the terminal After receiving the first response signal, the terminal sends a second signal to further indicate to wake up the target cell, trigger the target cell to send or receive the second object; trigger the target cell to switch to at least one of the second state.
- the terminal after receiving the first response signal, such as: for synchronization signals PSS, SSS, TRS, SSB, etc., the terminal can synchronize with the base station.
- the terminal can carry the indication information of the target cell, which is used to wake up the target cell, trigger the target cell to send or receive the second object; trigger the target cell to switch to at least one of the second state.
- the target cell can be specifically indicated by the second signal, or implicitly indicated by the second signal having a specific association relationship with the response signal sent by the target cell.
- the target cell can send a synchronization signal according to the terminal service requirements, and then obtain more accurate indication information, such as: relevant indication information awakened by the terminal, or relevant indication information triggering the sending or receiving of the second object; or triggering at least one of the relevant indication information of switching to a specific cell state, without having to be in the case of providing a synchronization signal with the terminal, thereby achieving network side energy saving.
- relevant indication information awakened by the terminal or relevant indication information triggering the sending or receiving of the second object
- triggering at least one of the relevant indication information of switching to a specific cell state without having to be in the case of providing a synchronization signal with the terminal, thereby achieving network side energy saving.
- the second signal may also jointly indicate at least one of waking up a specific cell, triggering the specific cell to send and/or receive a second object, triggering the specific cell to switch to a second state, etc., that is, when the base station detects the second signal of the terminal, it may wake up the specific cell, trigger the specific cell to send and/or receive a second object, trigger the specific cell to switch to a second state, etc.
- the specific joint indication may be determined by at least one of the protocol definition, terminal pre-stored information, core network information, terminal historical information, etc.
- the second signal when the terminal can achieve coarse synchronization with the base station, can further carry at least one indication information of waking up a specific cell; triggering a specific cell to send and/or receive a second object; triggering a specific cell to switch to a second state, etc.
- the second signal when the second signal is a different time domain or frequency domain sequence pattern, it corresponds to different indication information.
- the base station detects that the second signal is a specific time domain or frequency domain sequence pattern, it obtains the corresponding indication information, and then sends and/or receives at least one of a specific reference signal and a specific channel.
- the base station does not need to continuously send a synchronization signal for fine synchronization to the terminal, such as: when the SSB period is less than or equal to 160ms, that is, the base station can be awakened according to the terminal service needs, or triggered to send and/or receive the second object, or switch to the transmission and reception of signals/channels in different energy-saving states when achieving energy saving on the network side, so as not to affect the business service needs of the terminal.
- the terminal needs to trigger the target cell to send SSB and/or tracking reference signal (Tracking Reference Signal, TRS) for synchronization service
- the target cell needs to send positioning reference signal (Positioning Reference Signal, PRS) and/or receive sounding reference signal (Sounding Reference Signal, SRS) for positioning service.
- the measurement needs to trigger the target cell to send SSB and/or CSI reference signal (CSI Reference Signal, CSI-RS).
- Access needs to send SSB, send random access preamble (preamble) and receive physical random access channel (Physical Random-Access Channel, PRACH) and at least one of the above.
- the base station only needs to send and/or receive the above reference signal and/or channel according to the second signal, and does not need to send and/or receive all reference signals and channels, thereby achieving energy saving on the network side.
- the second state can be one of at least one cell state, or different parameter configuration sets correspond to different cell states.
- the cell state can be a cell energy-saving state, or a cell providing different service states.
- the terminal can select a cell based on its business needs, such as: the terminal only needs to perform RRM measurement to select a cell.
- the target cell only needs to be in a light sleep state and send SSB or CSI-RS with a period of 80ms.
- the base station only needs to trigger the sending/receiving of the reference signal/channel in the light sleep state according to the second signal, so as to achieve energy saving of the base station while meeting the business needs of the terminal.
- the method of the embodiment of the present disclosure also includes:
- a second response signal is sent, where the second response signal is a response signal to a target signal, where the target signal includes the second signal, or includes the first signal and the second signal.
- the base station may send a first response signal after receiving a first signal and send a second response signal after receiving a second signal, or may send the second response signal after receiving the first signal and the second signal.
- the second response signal carries at least one of the following:
- the confirmation information may be an OOK/ASK/FSK/PSK signal, for example, an OFDM-based OOK/ASK/FSK/PSK signal;
- the feedback information may be an OOK/ASK/FSK/PSK signal, for example, an OFDM-based OOK/ASK/FSK/PSK signal;
- a second reference signal or a second channel is used as a reference signal for determining whether a subsequent terminal wakes up a dormant cell or provides a reference signal for providing a specific function for the terminal.
- the specific function may be synchronization, measurement, or positioning.
- the reference signal may be SSB, CSI-RS, TRS, random access preamble, etc.
- the second channel includes a downlink control channel and/or an uplink control channel.
- the cell information of the cell that sends the second response signal such as cell identification information.
- the second response signal may be sent by the target cell that receives the second signal.
- the base station For the feedback information or confirmation information of the second response signal being the second signal, in order to avoid the base station being awakened by each terminal of the second signal, or being triggered to send and/or receive signals, or being triggered to switch to the second state of the cell, affecting the energy saving gain of the base station.
- the base station After the base station detects the second signal, it can determine whether to be awakened according to the internal implementation algorithm, or be clearly indicated by the second signal whether to be awakened, or be triggered to send/receive signals, or be triggered to switch to the second state of the cell for confirmation or feedback, and further indicate whether the terminal wakes up the cell, or whether to trigger sending/receiving signals, or whether to trigger switching to the second state of the cell, or whether to receive the second signal. On the one hand, it reduces the base station being awakened unconditionally, and on the other hand, it responds to the sending of the second signal by the terminal, so that both parties understand each other.
- the base station For the second response signal being the second reference signal and/or the second channel, for example, after the base station detects the second signal, it sends a second reference signal, such as PSS, SSS, TRS, SSB, etc., and receives the channel PRACH, PDCCH where Paging is located, etc., which can be used by the terminal to perform at least one of subsequent synchronization, RRM measurement, cell access, random access and paging.
- the terminal receives/sends the second reference signal and/or the second channel in a specific time period after receiving the second response signal.
- the target cell After receiving the response signal, the target cell provides service to the terminal.
- the cell that does not send the second response signal cannot be accessed by the terminal within a specific time period, and the cell enters a dormant state without being in a service state all the time, thereby reducing energy consumption on the network side.
- the method of the present disclosure further includes:
- the fourth moment includes at least one of the following:
- the first specific reference signal includes at least one of a first target reference signal indicated by a first signal, a second target reference signal indicated by a second signal, a first reference signal indicated by a first response signal, a second reference signal indicated by a second response signal, a reference signal agreed upon by a protocol, a reference signal configured by a higher layer, a reference signal pre-stored by a terminal, or a reference signal notified by neighboring cell signaling;
- the first specific channel includes at least one of a first target channel indicated by a first signal, a second target channel indicated by a second signal, a first channel indicated by a first response signal, a second channel indicated by a second response signal, a channel agreed upon by a protocol, a channel configured by a higher layer, a channel pre-stored by a terminal, or a channel notified by neighboring cell signaling;
- the second signal is used to indicate at least one of the following: waking up a specific cell; triggering the specific cell to send or receive a second object; triggering the specific cell to switch to a second state, wherein the second object includes at least one of a second target reference signal and a second target channel.
- the above-mentioned first specific reference signal includes at least one of the following: primary synchronization signal (Primary Synchronisation Signal, PSS), secondary synchronization signal (Secondary Synchronisation Signal, SSS), synchronization signal/physical broadcast channel signal block (Synchronization Signal Block, SSB), TRS, positioning reference signal (Positioning Reference Signal, PRS), phase tracking reference signal (Phase-tracking reference signal, PT-RS), random access preamble, sounding reference signal (Sounding Reference Signal, SRS), demodulation reference signal (Demodulation Reference Signal, DMRS), CSI reference signal (CSI Reference Signal, CSI-RS).
- the first specific channel includes at least one of the following: physical uplink control channel (PUCCH), physical downlink control channel (PDCCH), physical broadcast channel (PBCH), physical random access channel (PRACH), physical sidelink shared channel (PSSCH), physical downlink shared channel (PDSCH), and physical uplink shared channel (PUSCH).
- PUCCH physical uplink control channel
- PDCH physical downlink control channel
- PBCH physical broadcast channel
- PRACH physical random access channel
- PSSCH physical sidelink shared channel
- PDSCH physical downlink shared channel
- PUSCH physical uplink shared channel
- the target cell is awakened after a preset time after receiving a first signal, sending a first response signal, receiving a second signal, sending a second signal, or sending a second response signal, and can provide regular services to the terminal, including at least: sending and/or receiving a first specific reference signal and/or a first specific channel in an RRC idle state or an RRC inactive state.
- the above-mentioned first specific reference signal includes at least one of Public Land Mobile Network (PLMN) selection information, location registration related information, synchronization signal/physical broadcast channel signal block (Synchronization Signal and PBCH block, SSB)/system information block (System Information Block, SIB), cell selection/reselection information, tracking reference signal (Tracking Reference Signal, TRS), broadcast message, paging message, random access related information, etc.
- PLMN Public Land Mobile Network
- location registration related information includes synchronization signal/physical broadcast channel signal block (Synchronization Signal and PBCH block, SSB)/system information block (System Information Block, SIB), cell selection/reselection information, tracking reference signal (Tracking Reference Signal, TRS), broadcast message, paging message, random access related information, etc.
- PLMN Public Land Mobile Network
- the method of the present disclosure further includes:
- the fifth moment includes at least one of the following:
- the second specific reference signal includes at least one of a first target reference signal indicated by the first signal, a second target reference signal indicated by the second signal, a first reference signal indicated by the first response signal, a first reference signal indicated by the second response signal, a reference signal agreed upon by a protocol, a reference signal configured by a higher layer, a reference signal associated with the first signal, or a reference signal associated with the second signal;
- the second specific channel includes at least one of a first target channel indicated by a first signal, a second target channel indicated by a second signal, a channel agreed upon by a protocol, a channel configured by a higher layer, a channel associated with the first signal, or a channel associated with the second signal.
- the above-mentioned second specific reference signal includes at least one of the following: primary synchronization signal (Primary Synchronisation Signal, PSS), secondary synchronization signal (Secondary Synchronisation Signal, SSS), synchronization signal/physical broadcast channel signal block (Synchronization Signal Block, SSB), TRS, positioning reference signal (Positioning Reference Signal, PRS), phase tracking reference signal (Phase-tracking reference signal, PT-RS), random access preamble, sounding reference signal (Sounding Reference Signal, SRS), demodulation reference signal (Demodulation Reference Signal, DMRS), CSI reference signal (CSI Reference Signal, CSI-RS).
- the second specific channel includes at least one of the following: physical uplink control channel (PUCCH), physical downlink control channel (PDCCH), physical broadcast channel (PBCH), physical random access channel (PRACH), physical sidelink shared channel (PSSCH), physical downlink shared channel (PDSCH), and physical uplink shared channel (Physical Uplink Shared Channel, PUSCH).
- PUCCH physical uplink control channel
- PDCCH physical downlink control channel
- PBCH physical broadcast channel
- PRACH physical random access channel
- PSSCH physical sidelink shared channel
- PDSCH physical downlink shared channel
- Physical Uplink Shared Channel Physical Uplink Shared Channel
- the target cell is awakened after a preset time after receiving the first signal, sending the first response signal, receiving the second signal, sending the second signal, or sending the second response signal, triggering the sending and/or receiving of the second specific reference signal and/or the second specific channel.
- the second specific reference signal includes SSB, CSI-RS, or synchronization signal, etc.
- the method of the present disclosure further includes:
- the sixth moment includes at least one of the following:
- the specific cell state includes at least one of a first state indicated by a first signal, a second state indicated by a second signal, a cell state agreed upon by a protocol, a cell state configured by a high layer, a cell state indicated by the first response signal, a cell state indicated by the second response signal, a cell state associated with the first response signal, or a cell state associated with the second response signal;
- the third specific reference signal includes at least one of a reference signal configured by high-layer signaling, a reference signal configured by core network signaling, a reference signal pre-stored by the terminal, or a reference signal notified by neighboring cell signaling;
- the third specific channel includes at least one of a channel configured by high-level signaling, a channel configured by core network signaling, a channel pre-stored by the terminal, or a channel notified by neighboring cell signaling.
- the target cell switches to a specific cell state after a preset time after receiving a first signal, sending a first response signal, receiving a second signal, sending a second signal, or sending a second response signal, such as switching from state 1 to or maintaining state 2, for example, switching from a dormant state to a light sleep state, or from a deep sleep state to a light sleep state.
- the fourth moment, the fifth moment and the sixth moment in the embodiment of the present disclosure may be the same or different.
- Embodiment 2 The base station is awakened after receiving the first signal.
- the process includes:
- Step 1 The terminal sends a first signal for the surrounding dormant cells/base stations (such as Pico base stations) to discover the terminal, where the first signal is an OFDM-based OOK/ASK/FSK/PSK signal.
- the first signal can be sent through a dedicated transmitter for the first signal or through an NR transmitter.
- the first signal can be sent N times at a specific time point or time period, where N is greater than or equal to 1.
- the specific sending location can be determined by one or more methods such as neighboring high-level signaling configuration, core network signaling configuration, broadcast signaling, or protocol limitation.
- Step 2 The base station performs first signal detection and obtains information carried by the first signal, including: signal information and/or carried indication information. If the first signal meets a specific condition (i.e., the first condition), the cell is directly awakened, or, if the first signal does not meet the specific condition, the cell will not be awakened.
- the first signal may carry M bits of information, where M is greater than or equal to 1, and the carried information includes at least one of the following:
- the first signal can be received by a dedicated receiver based on the first signal, and can also be received by an NR receiver.
- the base station when the base station detects the first signal, it obtains one of the related information such as amplitude/phase/power/energy, such as: obtaining the power value of the signal as P, or obtaining the amplitude value of the signal as A, or obtaining the energy value of the signal as E, or obtaining the phase information of the signal as ⁇ .
- the related information such as amplitude/phase/power/energy, such as: obtaining the power value of the signal as P, or obtaining the amplitude value of the signal as A, or obtaining the energy value of the signal as E, or obtaining the phase information of the signal as ⁇ .
- the first signal is an OFDM-based OOK signal, which carries N bits of indication information through modulation and the like, where N is greater than or equal to 1, and is used to indicate the wake-up of the target cell.
- the base station determines that the current terminal is within the service range of the base station; otherwise, the base station determines that the current terminal is not within the service range of the base station.
- the base station detects that the amplitude value A of the first signal is greater than the amplitude threshold A0, it determines that the current terminal is within the service range of the base station; otherwise, the base station determines that the current terminal is not within the service range of the base station.
- the base station detects that the energy value E of the first signal is greater than the energy value threshold value E0, it determines that the current terminal is within the service range of the base station; otherwise, the base station determines that the current terminal is not within the service range of the base station.
- the base station detects that the phase value ⁇ of the first signal is within the phase value range, it is determined that the current terminal is within the service range of the base station; otherwise, the base station determines that the current terminal is not within the service range of the base station. For example: when the terminal sends the first signal, different phase modulations can be performed on base stations in different directions, ⁇ 0, ⁇ is a cell in one direction, and ⁇ , 2 ⁇ is a cell in another direction. The base station performs coherent demodulation on the received signal to obtain the phase value range of the first signal.
- the specific condition is that the indication information carried by the first signal is a specific value, such as: N bits are all 1. If the base station detects that the indication information carried by the first signal satisfies the specific value, it determines that the current terminal falls within the service range of the base station; otherwise, the base station determines that the current terminal does not fall within the service range of the base station.
- the dormant cell When the base station determines that the current terminal is within the service range of the base station, the dormant cell is awakened and sends an SSB signal, or CSI-RS or a reference signal for positioning to provide regular services to the terminal; otherwise, the dormant cell will not be awakened.
- Step 3 If the cell is awakened, perform at least one of the following:
- the terminal synchronizes, searches for cells, performs random access, or sends scheduling requests for the SSB sent by the wake-up cell.
- Embodiment 3 After receiving the first signal, the base station is triggered to send/receive the first object;
- the process includes:
- Step 1 The terminal sends a first signal for the surrounding dormant cells/base stations (such as Pico) to discover the terminal, where the first signal is an OFDM-based OOK/ASK/FSK/PSK signal.
- the first signal can be sent through a dedicated transmitter for the first signal or through an NR transmitter.
- the first signal can be sent N times at a specific time point or time period, where N is greater than or equal to 1.
- the specific sending location can be determined by one or more methods such as neighboring high-level signaling configuration, core network signaling configuration, broadcast signaling, or protocol limitation.
- Step 2 The base station performs first signal detection and obtains information carried by the first signal, including: signal information and/or carried indication information. If the first signal meets a specific condition (i.e., the first condition), the cell is triggered to send a specific reference signal, or, if the first signal does not meet the specific condition, the cell does not send a specific reference signal.
- the first signal may carry M bits of information, where M is greater than or equal to 1, and the carried information includes at least one of the following:
- the signal information carried by the first signal may be related information such as the amplitude/phase/power/energy of the signal.
- the indication information carried by the first signal is used to trigger the cell to receive and/or send a signal.
- the first signal can be received by a dedicated receiver based on the first signal, and can also be received by an NR receiver.
- the base station when the base station detects the first signal, it obtains one of the related information such as amplitude/phase/power/energy, such as: obtaining the power value of the signal as P, or obtaining the amplitude value of the signal as A, or obtaining the energy value of the signal as E, or obtaining the phase information of the signal as ⁇ .
- the related information such as amplitude/phase/power/energy, such as: obtaining the power value of the signal as P, or obtaining the amplitude value of the signal as A, or obtaining the energy value of the signal as E, or obtaining the phase information of the signal as ⁇ .
- the specific condition may be: the amplitude/phase/power/energy of the signal, etc., meets a specific threshold or a specific value or a specific value range.
- the base station determines that the current terminal needs the base station side to send/receive a specific reference signal; otherwise, the base station determines that the current terminal does not need to send/receive a specific reference signal.
- the base station detects that the amplitude value A of the first signal is greater than the amplitude threshold value A0, it determines that the current terminal needs the base station side to send/receive a specific reference signal; otherwise, the base station determines that the current terminal does not need to send/receive a specific reference signal.
- the base station determines that the current terminal needs the base station side to send/receive a specific reference signal; otherwise, the base station determines that the current terminal does not need to send/receive a specific reference signal.
- the base station determines that the current terminal needs the base station side to send/receive a specific reference signal; otherwise, the base station determines that the current terminal does not need to send/receive a specific reference signal.
- the dormant cell when the base station determines that the current terminal needs the base station side to send/receive a specific reference signal, the dormant cell sends a specific reference signal according to the protocol definition or according to the indication information carried by the first signal, such as SSB signal, TRS signal, CSI-RS signal, reference signal PRS/SRS for positioning, etc.; conversely, the dormant cell or the cell in energy-saving state will not send/receive a specific reference signal.
- the configuration of the reference signal is the default parameter configuration defined by the protocol.
- the specific reference signal may be one or more signals defined by the protocol, such as: the protocol defines that when the base station receives the first signal and meets specific conditions, the SSB signal is sent. The SSB signal is sent at a default period of 20ms. The same is true for other reference signals.
- the indication information carried by the first signal is the indication information of a specific reference signal, that is, different values correspond to different reference signals, such as: N bits correspond to M reference signals respectively, and the base station triggers the sending and/or receiving of the corresponding specific reference signal according to the indication information.
- the base station when the base station receives a first signal, and the first signal carries indication information of a specific reference signal, such as: the N1 bit in the N bits is used to indicate the positioning reference signal PRS, the base station sends the PRS signal according to the default parameter configuration or the parameter configuration specified by the protocol.
- the dormant cell when the base station determines that the current terminal needs the base station side to send/receive a specific reference signal, the dormant cell can configure a parameter in multiple configurations of the specific reference signal according to the indication information. For example, when the base station receives the indication information carried by the first signal indicating the sending of the positioning reference signal PRS, and indicates a parameter configuration in the pre-configured parameter configuration, the base station sends the specific reference signal according to the specific parameter configuration.
- Step 3 When the cell is triggered to send a specific reference signal, perform at least one of the following:
- the terminal performs synchronization, cell search, random access, or sends a scheduling request based on a specific reference signal sent by the dormant cell.
- Embodiment 4 The base station is fully or partially awakened after sending the first response signal
- Step 1 The terminal sends a first signal for the surrounding dormant cells/base stations (such as Pico) to discover the terminal, wherein the first signal is an OFDM-based OOK/ASK/FSK/PSK signal.
- the first signal can be sent through a first signal dedicated transmitter or an NR transmitter.
- Step 2 The base station performs first signal detection and obtains information carried by the first signal, including: signal information and/or carried indication information. If the first signal meets a specific condition (i.e., the first condition), a first response signal is sent to the terminal, or, if the first signal does not meet the specific condition, the cell does not send the first response signal.
- the first signal may carry M bits of information, where M is greater than or equal to 1, and the carried information includes at least one of the following:
- Indication information used to trigger the cell to receive and/or send signals.
- the first signal can be received by a dedicated receiver based on the first signal, and can also be received by an NR receiver.
- the base station when the base station detects the first signal, it obtains one of the related information such as amplitude/phase/power/energy, such as: obtaining the power value of the signal as P, or obtaining the amplitude value of the signal as A, or obtaining the energy value of the signal as E, or obtaining the phase information of the signal as ⁇ .
- the related information such as amplitude/phase/power/energy, such as: obtaining the power value of the signal as P, or obtaining the amplitude value of the signal as A, or obtaining the energy value of the signal as E, or obtaining the phase information of the signal as ⁇ .
- the first signal can carry 1 bit of information for terminal discovery in the dormant cell.
- the first signal can be sent N times at a specific time point or time period, where N is greater than or equal to 1, and the specific sending location can be determined by one or more methods such as neighboring cell high-level signaling configuration, core network signaling configuration, broadcast signaling, or protocol limitation.
- Step 3 The base station sends a first response signal to the first signal.
- the first response signal may be sent when the base station detects that the signal information of the first signal meets a specific condition.
- the specific condition may be: the amplitude/phase/power/energy of the signal meets a specific threshold or a specific value or a specific value range.
- the first response signal may also be sent when the base station detects the first signal.
- Example 2 For specific conditions, please refer to Example 2 and Example 3.
- the first response signal may carry at least one of the following:
- the first item carries confirmation information of the cell for receiving the first signal, for example, N-bit ACK information.
- the first response signal may be an OFDM-based OOK/ASK/FSK/PSK signal.
- the base station determines that it needs to be awakened and sends a first response signal to the terminal. For example: an OOK signal carrying 1 bit. After sending the first signal, the terminal performs reception detection of the first response signal within a specific time interval.
- the second item carries the cell information of the cell.
- the cell information may be a predefined sequence or signal pattern.
- the first response signal may be an OFDM-based OOK/ASK/FSK/PSK signal.
- the predefined sequence or signal pattern corresponding to the cell information may be information pre-configured by the terminal, or defined by a neighboring cell, core network, or protocol.
- the base station detects that the amplitude of the signal is higher than a specific threshold value within a certain period of time, it determines that a terminal has entered the service range of the cell. Therefore, the base station determines that it needs to be awakened and sends a first response signal to the terminal.
- the first response signal includes M bits of information corresponding to the pre-configured or pre-defined cell information of the cell. After sending the first signal, the terminal performs reception detection of the first response signal within a specific time interval.
- Item 3 Feedback information of the cell to the indication information carried by the first signal. For example: feedback information carried by the first signal.
- the N-bit information of the first signal carries indication information of M1 specific reference signals and/or M2 specific parameter configurations.
- the base station detects the first signal and meets specific conditions, it sends feedback information corresponding to the indication information to the terminal, that is, confirmation information of the m1th specific reference signal indication information and/or confirmation information of the m2th parameter configuration indication information.
- Item 4 Reference signal used for terminal time and frequency synchronization, for example: SSB signal.
- the base station determines that it needs to be awakened and sends a response signal to the terminal.
- the first response signal is a specific reference signal, such as an SSB signal used for terminal time-frequency synchronization.
- Step 4 After the specific cell sends the first response signal, perform at least one of the following:
- Step 5 After receiving the first response signal, the terminal receives the SSB or specific reference signal, performs synchronization, cell search, random access, or sends a scheduling request.
- Embodiment 5 The base station sends a second signal to wake up or trigger the sending/receiving of the second object;
- the process includes:
- Step 1 The terminal sends a first signal for the surrounding dormant cells/base stations (such as Pico) to discover the terminal, wherein the first signal is an OFDM-based OOK/ASK/FSK/PSK signal.
- the first signal can be sent through a first signal dedicated transmitter or an NR transmitter.
- Step 2 The base station performs first signal detection and obtains information carried by the first signal, including: signal information and/or carried indication information.
- the information carried by the first signal includes at least one of the following:
- the signal information carried by the first signal may be related information such as the amplitude/phase/power/energy of the signal.
- the indication information carried by the first signal is used to trigger the cell to receive and/or send a signal.
- the first signal can be received by a dedicated receiver based on the first signal, and can also be received by an NR receiver.
- the base station when the base station detects the first signal, it obtains one of the related information such as amplitude/phase/power/energy, such as: obtaining the power value of the signal as P, or obtaining the amplitude value of the signal as A, or obtaining the energy value of the signal as E, or obtaining the phase information of the signal as ⁇ .
- the related information such as amplitude/phase/power/energy, such as: obtaining the power value of the signal as P, or obtaining the amplitude value of the signal as A, or obtaining the energy value of the signal as E, or obtaining the phase information of the signal as ⁇ .
- Step 3 The base station sends a first response signal to the first signal.
- the first response signal may be sent when the base station detects that the signal information of the first signal meets a specific condition.
- the specific condition may be: the amplitude/phase/power/energy of the signal meets a specific threshold or a specific value or a specific value range.
- the first response signal may also be sent when the base station detects the first signal.
- Example 2 For specific conditions, please refer to Example 2 and Example 3.
- the first response signal may be at least one of the following:
- the first item carries confirmation information of the cell for receiving the first signal, for example, N bits of ACK information, used to indicate that the base station has detected the first signal.
- the second item carries the cell information of the cell, etc.
- the cell information may be a predefined sequence or signal pattern, etc.
- Item 3 Feedback information of the cell to the indication information carried by the first signal. For example: feedback information carried by the first signal.
- Item 4 a specific reference signal (ie, the first reference signal) sent/received by a cell.
- the base station sends a first response signal to confirm that it has been woken up.
- the base station sends a first response signal to feedback whether it is the target cell for waking up by the terminal.
- the base station performs feedback according to the indication information.
- the base station If the base station receives the first signal, it sends a first response signal to the terminal, including confirmation information and/or a specific reference signal, such as at least one of an SSB signal and a SIB signal.
- a specific reference signal such as at least one of an SSB signal and a SIB signal.
- Step 4 After receiving the first response signal, the terminal receives, synchronizes, and searches for a specific reference signal (first reference signal), such as SSB. If the current cell meets the cell search or cell reselection conditions, the terminal sends a second signal to the accessed specific cell to wake up or trigger the sending/receiving of a specific reference signal (i.e., the second target reference signal).
- first reference signal such as SSB
- the terminal sends a second signal to the accessed specific cell to wake up or trigger the sending/receiving of a specific reference signal (i.e., the second target reference signal).
- the second signal can be an OFDM-based OOK/ASK/FSK/PSK signal or an NR signal.
- the generation method and the information carried may refer to the first signal in the previous embodiment.
- the second signal is an NR signal, it can be an uplink control signaling based on PUCCH or an uplink reference signal based on a sequence.
- the uplink control signaling based on PUCCH is a dedicated signaling for cell wake-up.
- the second signal may carry at least one of the following information:
- Cell wake-up indication information i.e. whether to wake up a dormant cell
- Cell identity related information i.e., related cell information used to indicate the sending and/or receiving of a wake-up or trigger signal/channel
- the specific reference signal (i.e., the second target reference signal) sending and/or receiving indication information, i.e., the specific reference signal used to indicate the cell to send/receive;
- Function trigger indication information i.e., used to instruct the cell to turn on or off specific functions, such as measurement, synchronization, positioning, energy saving, access, specific service transmission, etc.
- Terminal specific identification i.e., used to indicate the specific type or terminal identification of the terminal, such as terminal type identification, terminal version identification, terminal identification supporting specific services, and related indications on whether the target cell can be woken up;
- Terminal demand information related identifiers i.e., used to indicate the current service requirements of the terminal, such as access, measurement, synchronization, positioning, energy saving, specific service transmission requirements, etc.; or, to indicate the current service requirements of the terminal, such as eMBB service, XR service, URLLC service, mMTC service, AIoT service, etc.;
- the cell state indication information is used to indicate that the cell switches between at least one state, or switches to a second state.
- Step 5 After receiving the second signal for sending a transmission/reception indication for waking up or triggering a specific reference signal, the specific cell performs at least one of the following:
- partial awakening means that the base station only sends and/or receives part of the reference signal, or switches to parameter configuration in the energy-saving state, etc.
- Embodiment 3 For details, please refer to Embodiment 3.
- the above-mentioned OOK/ASK/FSK/PSK signal is a low-power signal different from the OFDM signal.
- the processing method of the low-power signal is different from the processing method of the OFDM signal in the related technology.
- the cell in the sleep state or the energy-saving state can process the low-power signal, so that the terminal can communicate with the sleep cell or the cell in the energy-saving state without synchronization through the low-power signal, thereby achieving the purpose of waking up the sleep cell or triggering the sleep cell to wake up and provide services.
- an embodiment of the present disclosure provides an information processing device, which is applied to a terminal and includes a memory 1820 , a transceiver 1800 , and a processor 1810 ;
- the memory 1820 is used to store computer programs; the transceiver 1800 is used to send and receive data under the control of the processor 1810; the processor 1810 is used to read the computer program in the memory 1820 and perform the following operations:
- the first signal includes at least one of the following: an on-off keying (OOK) signal; an amplitude-shifted keying (ASK) signal; a frequency-shifted keying (FSK) signal; or a phase-shifted keying (PSK) signal.
- OOK on-off keying
- ASK amplitude-shifted keying
- FSK frequency-shifted keying
- PSK phase-shifted keying
- the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 1810 and various circuits of memory represented by memory 1820 are linked together.
- the bus architecture can also link various other circuits such as peripherals, regulators, and power management circuits together, which are all well known in the art and are therefore not further described herein.
- the bus interface provides an interface.
- the transceiver 1800 may be a plurality of components, namely, a transmitter and a receiver, providing a unit for communicating with various other devices on a transmission medium, and these transmission media include transmission media such as wireless channels, wired channels, and optical cables.
- the user interface 1830 may also be an interface that can be connected to external and internal devices, and the connected devices include but are not limited to keypads, displays, speakers, microphones, joysticks, etc.
- the processor 1810 is responsible for managing the bus architecture and general processing, and the memory 1820 can store data used by the processor 1810 when performing operations.
- processor 1810 can be a central processing unit (CPU), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or a complex programmable logic device (CPLD), and the processor can also adopt a multi-core architecture.
- CPU central processing unit
- ASIC application specific integrated circuit
- FPGA field programmable gate array
- CPLD complex programmable logic device
- the processor calls the computer program stored in the memory to execute any of the methods provided by the embodiments of the present disclosure according to the obtained executable instructions.
- the processor and the memory can also be arranged physically separately.
- the first signal is an Orthogonal Frequency Division Multiplexing (OFDM) based signal.
- OFDM Orthogonal Frequency Division Multiplexing
- the first signal carries at least one of the following:
- the processor further performs the following operations:
- a first response signal to the first signal is acquired.
- the first response signal carries at least one of the following:
- the cell information of the cell that sends the first response signal is the cell information of the cell that sends the first response signal.
- the processor further performs the following operations:
- a second signal is sent to a specific cell, wherein the second signal is used to indicate at least one of the following: waking up the specific cell; triggering the specific cell to send or receive a second object; triggering the specific cell to switch to a second state, wherein the second object includes at least one of a second target reference signal and a second target channel.
- the second signal carries at least one of the following:
- the processor further performs the following operations:
- a second response signal is acquired, where the second response signal is a response signal to a target signal, and the target signal includes the second signal, or includes the first signal and the second signal.
- the second response signal carries at least one of the following:
- the cell information of the cell that sends the second response signal is the cell information of the cell that sends the second response signal.
- the processor further performs the following operations:
- the first moment includes at least one of the following:
- the second response signal being a response signal of the second signal, or being a response signal of the first signal and the second signal;
- the first specific cell includes at least one of the following:
- the first specific reference signal includes at least one of a first target reference signal indicated by a first signal, a second target reference signal indicated by a second signal, a first reference signal indicated by a first response signal, a second reference signal indicated by a second response signal, a reference signal agreed upon by a protocol, a reference signal configured by a higher layer, a reference signal pre-stored by a terminal, or a reference signal notified by neighboring cell signaling;
- the first specific channel includes at least one of a first target channel indicated by a first signal, a second target channel indicated by a second signal, a first channel indicated by a first response signal, a second channel indicated by a second response signal, a channel agreed upon by a protocol, a channel configured by a higher layer, a channel pre-stored by a terminal, or a channel notified by neighboring cell signaling;
- the second signal is used to indicate at least one of the following: waking up a specific cell; triggering the specific cell to send or receive a second object; triggering the specific cell to switch to a second state, and the second object includes at least one of a second target reference signal and a second target channel.
- the processor further performs the following operations:
- the second moment includes at least one of the following:
- the second response signal being a response signal of the second signal, or being a response signal of the first signal and the second signal;
- the second specific cell includes at least one of the following:
- the second specific reference signal includes at least one of a first target reference signal indicated by the first signal, a second target reference signal indicated by the second signal, a first reference signal indicated by the first response signal, a second reference signal indicated by the second response signal, a reference signal agreed upon by a protocol, a reference signal configured by a higher layer, a reference signal associated with the first signal, or a reference signal associated with the second signal;
- the second specific channel includes at least one of a first target channel indicated by a first signal, a second target channel indicated by a second signal, a first channel indicated by a first response signal, a second channel indicated by a second response signal, a channel agreed upon by a protocol, a channel configured by a high layer, a channel associated with the first signal, or a channel associated with the second signal.
- the processor further performs the following operations:
- the third moment includes at least one of the following:
- the second response signal being a response signal of the second signal, or being a response signal of the first signal and the second signal;
- the specific cell state includes at least one of a first state indicated by a first signal, a second state indicated by a second signal, a cell state agreed upon by a protocol, a cell state configured by a high layer, a cell state indicated by the first response signal, a cell state indicated by the second response signal, a cell state associated with the first response signal, or a cell state associated with the second response signal;
- the third specific reference signal includes at least one of a reference signal configured by high-layer signaling, a reference signal configured by core network signaling, a reference signal pre-stored by the terminal, or a reference signal notified by neighboring cell signaling;
- the third specific channel includes at least one of a channel configured by high-level signaling, a channel configured by core network signaling, a channel pre-stored by the terminal, or a channel notified by neighboring cell signaling.
- the above-mentioned device provided by the embodiment of the present disclosure can implement all the method steps implemented by the above-mentioned information processing method embodiment applied to the terminal, and can achieve the same technical effect.
- the parts and beneficial effects of this embodiment that are the same as the method embodiment will not be described in detail here.
- the embodiment of the present disclosure further provides an information processing device, which is applied to a network side device.
- the device includes a memory 1920 , a transceiver 1900 , and a processor 1910 ;
- the memory 1920 is used to store a computer program; the transceiver 1900 is used to send and receive data under the control of the processor; the processor 1910 is used to read the computer program in the memory and perform the following operations:
- Discovering a terminal waking up a target cell; triggering the target cell to send or receive a first object; triggering the target cell to switch to a first state; wherein the first object includes at least one of a first target reference signal and a first target channel;
- the first signal includes at least one of the following: an on-off keying (OOK) signal; an amplitude-shifted keying (ASK) signal; a frequency-shifted keying (FSK) signal; or a phase-shifted keying (PSK) signal.
- OOK on-off keying
- ASK amplitude-shifted keying
- FSK frequency-shifted keying
- PSK phase-shifted keying
- the first signal is an Orthogonal Frequency Division Multiplexing (OFDM) based signal.
- OFDM Orthogonal Frequency Division Multiplexing
- the first signal carries at least one of the following:
- the processor further performs the following operations:
- a first response signal is sent to the first signal.
- the processor further performs the following operations:
- the signal information includes at least one of the amplitude, frequency, carrier, bandwidth, phase, power and energy of the first signal.
- the processor further performs the following operations:
- Discovering a terminal waking up a target cell; triggering the target cell to send or receive a first object; triggering the target cell to switch to a first state;
- the signal information includes at least one of the amplitude, frequency, carrier, bandwidth, phase, power and energy of the first signal.
- the first response signal carries at least one of the following:
- the cell information of the cell that sends the first response signal is the cell information of the cell that sends the first response signal.
- the processor further performs the following operations:
- the second signal is used for at least one of the following: waking up a specific cell; triggering the specific cell to send or receive a second object; triggering the specific cell to switch to a second state, wherein the second object includes at least one of a second target reference signal and a second target channel.
- the second signal carries at least one of the following:
- the processor further performs the following operations:
- a second response signal is sent, where the second response signal is a response signal to a target signal, where the target signal includes the second signal, or includes the first signal and the second signal.
- the second response signal carries at least one of the following:
- the cell information of the cell that sends the second response signal is the cell information of the cell that sends the second response signal.
- the processor further performs the following operations:
- the fourth moment includes at least one of the following:
- the first specific reference signal includes at least one of a first target reference signal indicated by a first signal, a second target reference signal indicated by a second signal, a first reference signal indicated by a first response signal, a second reference signal indicated by a second response signal, a reference signal agreed upon by a protocol, a reference signal configured by a higher layer, a reference signal pre-stored by a terminal, or a reference signal notified by neighboring cell signaling;
- the first specific channel includes at least one of a first target channel indicated by a first signal, a second target channel indicated by a second signal, a first channel indicated by a first response signal, a second channel indicated by a second response signal, a channel agreed upon by a protocol, a channel configured by a higher layer, a channel pre-stored by a terminal, or a channel notified by neighboring cell signaling;
- the second signal is used to indicate at least one of the following: waking up a specific cell; triggering the specific cell to send or receive a second object; triggering the specific cell to switch to a second state, wherein the second object includes at least one of a second target reference signal and a second target channel.
- the processor further performs the following operations:
- the fifth moment includes at least one of the following:
- the second specific reference signal includes at least one of a first target reference signal indicated by the first signal, a second target reference signal indicated by the second signal, a first reference signal indicated by the first response signal, a second reference signal indicated by the second response signal, a reference signal agreed upon by a protocol, a reference signal configured by a higher layer, a reference signal associated with the first signal, or a reference signal associated with the second signal;
- the second specific channel includes at least one of a first target channel indicated by a first signal, a second target channel indicated by a second signal, a channel agreed upon by a protocol, a channel configured by a higher layer, a channel associated with the first signal, or a channel associated with the second signal.
- the processor further performs the following operations:
- the sixth moment includes at least one of the following:
- the specific cell state includes at least one of a first state indicated by a first signal, a second state indicated by a second signal, a cell state agreed upon by a protocol, a cell state configured by a high layer, a cell state indicated by the first response signal, a cell state indicated by the second response signal, a cell state associated with the first response signal, or a cell state associated with the second response signal;
- the third specific reference signal includes at least one of a reference signal configured by high-layer signaling, a reference signal configured by core network signaling, a reference signal pre-stored by the terminal, or a reference signal notified by neighboring cell signaling;
- the third specific channel includes at least one of a channel configured by high-level signaling, a channel configured by core network signaling, a channel pre-stored by the terminal, or a channel notified by neighboring cell signaling.
- the bus architecture can include any number of interconnected buses and bridges, specifically one or more processors represented by processor 1910 and various circuits of memory represented by memory 1920 are linked together.
- the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits together, which are all well known in the art and are therefore not further described herein.
- the bus interface provides an interface.
- the transceiver 1900 can be a plurality of components, namely, a transmitter and a receiver, providing a unit for communicating with various other devices on a transmission medium, which transmission media include transmission media such as wireless channels, wired channels, and optical cables.
- the processor 1910 is responsible for managing the bus architecture and general processing, and the memory 1920 can store data used by the processor 1910 when performing operations.
- Processor 1910 can be a central processing unit (CPU), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or a complex programmable logic device (CPLD).
- CPU central processing unit
- ASIC application specific integrated circuit
- FPGA field programmable gate array
- CPLD complex programmable logic device
- the processor can also adopt a multi-core architecture.
- the above-mentioned device provided in the embodiment of the present disclosure can implement all the method steps implemented in the above-mentioned information processing method embodiment applied to the network device, and can achieve the same technical effect.
- the parts and beneficial effects of this embodiment that are the same as the method embodiment will not be described in detail here.
- the present disclosure also provides an information processing device, including:
- the first sending unit 2001 is configured to send a first signal for at least one of the following:
- the first signal includes at least one of the following: an on-off keying (OOK) signal; an amplitude-shifted keying (ASK) signal; a frequency-shifted keying (FSK) signal; or a phase-shifted keying (PSK) signal.
- OOK on-off keying
- ASK amplitude-shifted keying
- FSK frequency-shifted keying
- PSK phase-shifted keying
- the first signal is an Orthogonal Frequency Division Multiplexing (OFDM) based signal.
- OFDM Orthogonal Frequency Division Multiplexing
- the first signal carries at least one of the following:
- the device of the embodiment of the present disclosure further includes:
- the first acquisition unit is configured to acquire a first response signal to the first signal.
- the first response signal carries at least one of the following:
- the cell information of the cell that sends the first response signal is the cell information of the cell that sends the first response signal.
- the device of the embodiment of the present disclosure further includes:
- a second sending unit is used to send a second signal to a specific cell, wherein the second signal is used to indicate at least one of the following: waking up the specific cell; triggering the specific cell to send or receive a second object; triggering the specific cell to switch to a second state, wherein the second object includes at least one of a second target reference signal and a second target channel.
- the second signal carries at least one of the following:
- the device of the embodiment of the present disclosure further includes:
- the second acquisition unit is used to acquire a second response signal, where the second response signal is a response signal to a target signal, and the target signal includes the second signal, or includes the first signal and the second signal.
- the second response signal carries at least one of the following:
- the cell information of the cell that sends the second response signal is the cell information of the cell that sends the second response signal.
- the device of the embodiment of the present disclosure further includes:
- a first transceiver unit configured to receive and/or send a first specific reference signal and/or a first specific channel in an RRC idle state or an RRC inactive state in a first specific cell at a first moment;
- the first moment includes at least one of the following:
- the second response signal being a response signal of the second signal, or being a response signal of the first signal and the second signal;
- the first specific cell includes at least one of the following:
- the first specific reference signal includes at least one of a first target reference signal indicated by a first signal, a second target reference signal indicated by a second signal, a first reference signal indicated by a first response signal, a second reference signal indicated by a second response signal, a reference signal agreed upon by a protocol, a reference signal configured by a higher layer, a reference signal pre-stored by a terminal, or a reference signal notified by neighboring cell signaling;
- the first specific channel includes at least one of a first target channel indicated by a first signal, a second target channel indicated by a second signal, a first channel indicated by a first response signal, a second channel indicated by a second response signal, a channel agreed upon by a protocol, a channel configured by a higher layer, a channel pre-stored by a terminal, or a channel notified by neighboring cell signaling;
- the second signal is used to indicate at least one of the following: waking up a specific cell; triggering the specific cell to send or receive a second object; triggering the specific cell to switch to a second state, and the second object includes at least one of a second target reference signal and a second target channel.
- the device of the embodiment of the present disclosure further includes:
- a second transceiver unit configured to send and/or receive a second specific reference signal and/or a second specific channel of a second specific cell at a second moment;
- the second moment includes at least one of the following:
- the second response signal being a response signal of the second signal, or being a response signal of the first signal and the second signal;
- the second specific cell includes at least one of the following:
- the second specific reference signal includes at least one of a first target reference signal indicated by the first signal, a second target reference signal indicated by the second signal, a first reference signal indicated by the first response signal, a second reference signal indicated by the second response signal, a reference signal agreed upon by a protocol, a reference signal configured by a higher layer, a reference signal associated with the first signal, or a reference signal associated with the second signal;
- the second specific channel includes at least one of a first target channel indicated by a first signal, a second target channel indicated by a second signal, a first channel indicated by a first response signal, a second channel indicated by a second response signal, a channel agreed upon by a protocol, a channel configured by a high layer, a channel associated with the first signal, or a channel associated with the second signal.
- the device of the embodiment of the present disclosure further includes:
- a third transceiver unit configured to send and/or receive a third specific reference signal and/or a third specific channel in a specific cell state at a third moment;
- the third moment includes at least one of the following:
- the second response signal being a response signal of the second signal, or being a response signal of the first signal and the second signal;
- the specific cell state includes at least one of a first state indicated by a first signal, a second state indicated by a second signal, a cell state agreed upon by a protocol, a cell state configured by a high layer, a cell state indicated by the first response signal, a cell state indicated by the second response signal, a cell state associated with the first response signal, or a cell state associated with the second response signal;
- the third specific reference signal includes at least one of a reference signal configured by high-layer signaling, a reference signal configured by core network signaling, a reference signal pre-stored by the terminal, or a reference signal notified by neighboring cell signaling;
- the third specific channel includes at least one of a channel configured by high-level signaling, a channel configured by core network signaling, a channel pre-stored by the terminal, or a channel notified by neighboring cell signaling.
- the above-mentioned device provided by the embodiment of the present disclosure can implement all the method steps implemented by the above-mentioned information indication method embodiment applied to the terminal, and can achieve the same technical effect.
- the parts and beneficial effects of this embodiment that are the same as the method embodiment will not be described in detail here.
- the present disclosure also provides an information processing device, including:
- the first receiving unit 2101 is configured to receive a first signal for at least one of the following:
- Discovering a terminal waking up a target cell; triggering the target cell to send or receive a first object; triggering the target cell to switch to a first state; wherein the first object includes at least one of a first target reference signal and a first target channel;
- the first signal includes at least one of the following: an on-off keying (OOK) signal; an amplitude-shifted keying (ASK) signal; a frequency-shifted keying (FSK) signal; or a phase-shifted keying (PSK) signal.
- OOK on-off keying
- ASK amplitude-shifted keying
- FSK frequency-shifted keying
- PSK phase-shifted keying
- the first signal is an Orthogonal Frequency Division Multiplexing (OFDM) based signal.
- OFDM Orthogonal Frequency Division Multiplexing
- the first signal carries at least one of the following:
- the device of the embodiment of the present disclosure further includes:
- the third sending unit is configured to send a first response signal to the first signal after the first receiving unit receives the first signal.
- the third sending unit is used to send a first response signal to the first signal if the signal information of the first signal satisfies a first condition
- the signal information includes at least one of the amplitude, frequency, carrier, bandwidth, phase, power and energy of the first signal.
- the device of the embodiment of the present disclosure further includes:
- an execution unit configured to execute at least one of the following when the signal information of the first signal satisfies a first condition:
- Discovering a terminal waking up a target cell; triggering the target cell to send or receive a first object; triggering the target cell to switch to a first state;
- the signal information includes at least one of the amplitude, frequency, carrier, bandwidth, phase, power and energy of the first signal.
- the first response signal carries at least one of the following:
- the cell information of the cell that sends the first response signal is the cell information of the cell that sends the first response signal.
- the device of the embodiment of the present disclosure further includes:
- a third acquisition unit is used to acquire a second signal, where the second signal is used for at least one of the following: waking up a specific cell; triggering the specific cell to send or receive a second object; triggering the specific cell to switch to a second state, wherein the second object includes at least one of a second target reference signal and a second target channel.
- the second signal carries at least one of the following:
- the apparatus of the present disclosure further includes:
- the fourth sending unit is used to send a second response signal, where the second response signal is a response signal to the target signal, and the target signal includes the second signal, or includes the first signal and the second signal.
- the second response signal carries at least one of the following:
- the cell information of the cell that sends the second response signal is the cell information of the cell that sends the second response signal.
- the device of the embodiment of the present disclosure further includes:
- a fourth transceiver unit configured to send and/or receive a first specific reference signal and/or a first specific channel in an RRC idle state or an RRC inactive state at a fourth moment;
- the fourth moment includes at least one of the following:
- the first specific reference signal includes at least one of a first target reference signal indicated by a first signal, a second target reference signal indicated by a second signal, a first reference signal indicated by a first response signal, a second reference signal indicated by a second response signal, a reference signal agreed upon by a protocol, a reference signal configured by a higher layer, a reference signal pre-stored by a terminal, or a reference signal notified by neighboring cell signaling;
- the first specific channel includes at least one of a first target channel indicated by a first signal, a second target channel indicated by a second signal, a first channel indicated by a first response signal, a second channel indicated by a second response signal, a channel agreed upon by a protocol, a channel configured by a higher layer, a channel pre-stored by a terminal, or a channel notified by neighboring cell signaling;
- the second signal is used to indicate at least one of the following: waking up a specific cell; triggering the specific cell to send or receive a second object; triggering the specific cell to switch to a second state, wherein the second object includes at least one of a second target reference signal and a second target channel.
- the device of the embodiment of the present disclosure further includes:
- a fifth transceiver unit configured to receive and/or send a second specific reference signal and/or a second specific channel at a fifth moment
- the fifth moment includes at least one of the following:
- the second specific reference signal includes at least one of a first target reference signal indicated by the first signal, a second target reference signal indicated by the second signal, a first reference signal indicated by the first response signal, a second reference signal indicated by the second response signal, a reference signal agreed upon by a protocol, a reference signal configured by a higher layer, a reference signal associated with the first signal, or a reference signal associated with the second signal;
- the second specific channel includes at least one of a first target channel indicated by a first signal, a second target channel indicated by a second signal, a channel agreed upon by a protocol, a channel configured by a higher layer, a channel associated with the first signal, or a channel associated with the second signal.
- the device of the embodiment of the present disclosure further includes:
- a sixth transceiver unit configured to switch to a specific cell state at a sixth moment
- the sixth moment includes at least one of the following:
- the specific cell state includes at least one of a first state indicated by a first signal, a second state indicated by a second signal, a cell state agreed upon by a protocol, a cell state configured by a high layer, a cell state indicated by the first response signal, a cell state indicated by the second response signal, a cell state associated with the first response signal, or a cell state associated with the second response signal;
- the third specific reference signal includes at least one of a reference signal configured by high-layer signaling, a reference signal configured by core network signaling, a reference signal pre-stored by the terminal, or a reference signal notified by neighboring cell signaling;
- the third specific channel includes at least one of a channel configured by high-level signaling, a channel configured by core network signaling, a channel pre-stored by the terminal, or a channel notified by neighboring cell signaling.
- the above-mentioned device provided in the embodiment of the present disclosure can implement all the method steps implemented in the above-mentioned information processing method embodiment applied to the network device, and can achieve the same technical effect.
- the parts and beneficial effects of this embodiment that are the same as the method embodiment will not be described in detail here.
- each functional unit in each embodiment of the present disclosure may be integrated into a processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
- the above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.
- the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a processor-readable storage medium.
- the technical solution of the present disclosure is essentially or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product.
- the computer software product is stored in a storage medium, including several instructions to enable a computer device (which can be a personal computer, server, or network device, etc.) or a processor (processor) to perform all or part of the steps of the method described in each embodiment of the present disclosure.
- the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM), random access memory (RAM), disk or optical disk and other media that can store program code.
- a processor-readable storage medium which stores program instructions, and the program instructions are used to enable the processor to execute all the steps implemented by the method embodiment executed by the above-mentioned terminal or all the steps implemented by the method embodiment executed by the network side device, and can achieve the same technical effect.
- the parts and beneficial effects of this embodiment that are the same as the method embodiment will not be described in detail here.
- the terminal device involved in the embodiments of the present disclosure may be a device that provides voice and/or data connectivity to a user, a handheld device with a wireless connection function, or other processing devices connected to a wireless modem.
- the names of terminal devices may also be different.
- the terminal device in the fifth generation mobile communication (5th Generation, 5G) system, the terminal device may be called a user equipment (User Equipment, UE).
- the wireless terminal device can communicate with one or more core networks (Core Network, CN) via a radio access network (Radio Access Network, RAN).
- Core Network Core Network
- RAN Radio Access Network
- the wireless terminal device can be a mobile terminal device, such as a mobile phone (or "cellular" phone) and a computer with a mobile terminal device, for example, a portable, pocket-sized, handheld, computer-built-in or vehicle-mounted mobile device, which exchanges language and/or data with the radio access network.
- a mobile terminal device such as a mobile phone (or "cellular" phone) and a computer with a mobile terminal device, for example, a portable, pocket-sized, handheld, computer-built-in or vehicle-mounted mobile device, which exchanges language and/or data with the radio access network.
- PCS Personal Communication Service
- SIP Session Initiated Protocol
- WLL Wireless Local Loop
- PDA Personal Digital Assistant
- Wireless terminal devices may also be referred to as systems, subscriber units, subscriber stations, mobile stations, mobile stations, remote stations, access points, remote terminal devices, access terminal devices, user terminal devices, user agents, and user devices, which are not limited in the embodiments of the present disclosure.
- the network device (or network-side device) involved in the embodiments of the present disclosure may be a base station, which may include multiple cells providing services to the terminal.
- the base station may also be called an access point, or may be a device in the access network that communicates with the wireless terminal device through one or more sectors on the air interface, or other names.
- the network device can be used to interchange received air frames with Internet Protocol (IP) packets, acting as a router between the wireless terminal device and the rest of the access network, wherein the rest of the access network may include an Internet Protocol (IP) communication network.
- IP Internet Protocol
- the network device may also coordinate the attribute management of the air interface.
- the network device involved in the embodiments of the present disclosure may be a network device (Base Transceiver Station, BTS) in the Global System for Mobile communications (GSM) or Code Division Multiple Access (CDMA), or a network device (NodeB) in Wide-band Code Division Multiple Access (WCDMA), or an evolved network device (evolutional Node B, eNB or e-NodeB) in the Long Term Evolution (LTE) system, a 5G base station (gNB) in the 5G network architecture (next generation system), or a home evolved Node B (HeNB), a relay node, a home base station (femto), a pico base station (pico), etc., but is not limited in the embodiments of the present disclosure.
- network devices may include centralized unit (CU) nodes and distributed unit (DU) nodes, and the centralized units and distributed units may also be geographically separated.
- Network devices and terminal devices can each use one or more antennas for multiple input multiple output (MIMO) transmission.
- MIMO transmission can be single user MIMO (SU-MIMO) or multi-user MIMO (MU-MIMO).
- MIMO transmission can be two-dimensional MIMO (2D-MIMO), three-dimensional MIMO (3D-MIMO), full-dimensional MIMO (FD-MIMO) or massive MIMO, or it can be diversity transmission, precoded transmission or beamforming transmission, etc.
- the embodiments of the present disclosure may be provided as methods, systems, or computer program products. Therefore, the present disclosure may take the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present disclosure may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) containing computer-usable program code.
- a computer-usable storage media including but not limited to disk storage and optical storage, etc.
- each process and/or box in the flowchart and/or block diagram, as well as the combination of the process and/or box in the flowchart and/or block diagram can be implemented by computer executable instructions.
- These computer executable instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device produce a device for implementing the functions specified in one process or multiple processes in the flowchart and/or one box or multiple boxes in the block diagram.
- processor-executable instructions may also be stored in a processor-readable memory that can direct a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the processor-readable memory produce a product including an instruction device that implements the functions specified in one or more processes in the flowchart and/or one or more boxes in the block diagram.
- processor-executable instructions may also be loaded onto a computer or other programmable data processing device so that a series of operational steps are executed on the computer or other programmable device to produce a computer-implemented process, whereby the instructions executed on the computer or other programmable device provide steps for implementing the functions specified in one or more processes in the flowchart and/or one or more boxes in the block diagram.
- each component or each step can be decomposed and/or recombined.
- These decompositions and/or recombinations should be regarded as equivalent schemes of the present invention.
- the steps of performing the above-mentioned series of processing can be naturally performed in chronological order according to the order of description, but it is not necessary to perform them in chronological order, and some steps can be performed in parallel or independently of each other.
- modules can be fully or partially integrated into one physical entity, or they can be physically separated.
- modules can all be implemented in the form of software called by processing elements; they can also be all implemented in the form of hardware; some modules can also be implemented in the form of software called by processing elements, and some modules can be implemented in the form of hardware.
- a module can be a separately established processing element, or it can be integrated in a chip of the above-mentioned device.
- it can also be stored in the memory of the above-mentioned device in the form of program code, and called and executed by a processing element of the above-mentioned device.
- each step of the above method or each module above can be completed by an integrated logic circuit of hardware in the processor element or instructions in the form of software.
- each module, unit, sub-unit or sub-module may be one or more integrated circuits configured to implement the above method, such as: one or more application specific integrated circuits (ASIC), or one or more microprocessors (digital signal processors, DSP), or one or more field programmable gate arrays (FPGA), etc.
- ASIC application specific integrated circuits
- DSP digital signal processors
- FPGA field programmable gate arrays
- the processing element may be a general-purpose processor, such as a central processing unit (CPU) or other processor that can call program code.
- these modules can be integrated together and implemented in the form of a system-on-a-chip (SOC).
- SOC system-on-a-chip
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Abstract
La présente divulgation concerne un procédé et un appareil de traitement de signaux. Le procédé selon les modes de réalisation de la présente divulgation consiste à : envoyer un premier signal pour au moins l'un des éléments suivants : découvrir un terminal ; réveiller une cellule cible ; déclencher l'envoi et/ou la réception par la cellule cible d'un premier objet, qui comprend un premier signal de référence cible et/ou un premier canal cible ; et déclencher la commutation par la cellule cible vers un premier état, le premier signal comprenant au moins l'un des éléments suivants : un signal de modulation tout-ou-rien (OOK), un signal de modulation par déplacement d'amplitude (ASK), un signal de modulation par déplacement de fréquence (FSK) et un signal de modulation par déplacement de phase (PSK).
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| CN202311674747.0 | 2023-12-07 | ||
| CN202311674747.0A CN120129023A (zh) | 2023-12-07 | 2023-12-07 | 信号处理方法及装置 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105684487A (zh) * | 2013-11-01 | 2016-06-15 | 三菱电机株式会社 | 通信系统 |
| US20170006457A1 (en) * | 2014-01-30 | 2017-01-05 | Ntt Docomo, Inc. | User terminal, radio base station, radio communication system and radio communication method |
| CN114258710A (zh) * | 2019-08-16 | 2022-03-29 | 高通股份有限公司 | 用于功率节省的唤醒行为指示 |
| CN116506925A (zh) * | 2022-01-19 | 2023-07-28 | 维沃移动通信有限公司 | 配置确定方法、装置、终端及网络侧设备 |
| WO2023207840A1 (fr) * | 2022-04-29 | 2023-11-02 | 维沃移动通信有限公司 | Procédé et dispositif de réception de signal et terminal |
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- 2023-12-07 CN CN202311674747.0A patent/CN120129023A/zh active Pending
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105684487A (zh) * | 2013-11-01 | 2016-06-15 | 三菱电机株式会社 | 通信系统 |
| US20170006457A1 (en) * | 2014-01-30 | 2017-01-05 | Ntt Docomo, Inc. | User terminal, radio base station, radio communication system and radio communication method |
| CN114258710A (zh) * | 2019-08-16 | 2022-03-29 | 高通股份有限公司 | 用于功率节省的唤醒行为指示 |
| CN116506925A (zh) * | 2022-01-19 | 2023-07-28 | 维沃移动通信有限公司 | 配置确定方法、装置、终端及网络侧设备 |
| WO2023207840A1 (fr) * | 2022-04-29 | 2023-11-02 | 维沃移动通信有限公司 | Procédé et dispositif de réception de signal et terminal |
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