WO2023123444A1 - 唤醒信号的接收方法、发送方法、装置、设备及存储介质 - Google Patents
唤醒信号的接收方法、发送方法、装置、设备及存储介质 Download PDFInfo
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- WO2023123444A1 WO2023123444A1 PCT/CN2021/143907 CN2021143907W WO2023123444A1 WO 2023123444 A1 WO2023123444 A1 WO 2023123444A1 CN 2021143907 W CN2021143907 W CN 2021143907W WO 2023123444 A1 WO2023123444 A1 WO 2023123444A1
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- wake
- signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
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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
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is leader and terminal is follower
- H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is leader and terminal is follower using a pre-established activity schedule, e.g. traffic indication frame
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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
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
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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
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
- H04W52/0235—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal where the received signal is a power saving command
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/02—Arrangements for increasing efficiency of notification or paging channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
- H04W72/1273—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Definitions
- the embodiments of the present application relate to the technical field of mobile communication, and in particular, to a method for receiving a wake-up signal, a method for sending it, a device, a device, and a storage medium.
- an energy-saving signal is introduced, and the energy-saving signal is used in combination with a Discontinuous Reception (DRX) mechanism, and the terminal receives an indication of the energy-saving signal before the On duration of DRX.
- DRX Discontinuous Reception
- the energy-saving signal "wakes up" the terminal to monitor the Physical Downlink Control Channel (PDCCH) during the On duration of DRX; otherwise, when the terminal has no data transmission in a DRX cycle
- the energy-saving signal does not "wake up” the terminal, and the terminal does not need to monitor the PDCCH during the On Duration of DRX.
- the embodiment of the present application provides a method for receiving a wake-up signal, a method for sending it, a device, a device, and a storage medium, and the technical solution is as follows:
- a method for receiving a wake-up signal is provided, which is applied to a terminal, and the method includes:
- the wake-up signal includes a wake-up radio (Wake Up Radio, WUR) signal.
- WUR Wake Up Radio
- a method for sending a wake-up signal is provided, which is applied to a network device, and the method includes:
- the wake-up signal includes a WUR signal.
- a device for receiving a wake-up signal which is applied to a terminal, and the device includes:
- a receiving module configured to receive the wake-up signal, where the wake-up signal carries reception information of the PDCCH
- the wake-up signal includes a WUR signal.
- an apparatus for sending a wake-up signal which is applied to a network device, and the apparatus includes:
- a sending module configured to send the wake-up signal, where the wake-up signal carries reception information of the PDCCH
- the wake-up signal includes a WUR signal.
- a terminal is provided, and the terminal includes a wake-up receiver;
- the wake-up receiver is configured to receive the wake-up signal, and the wake-up signal carries the reception information of the PDCCH;
- the wake-up signal includes a WUR signal.
- a network device includes a transceiver
- the transceiver is configured to send the wake-up signal, and the wake-up signal carries the reception information of the PDCCH;
- the wake-up signal includes a WUR signal.
- a computer-readable storage medium where a computer program is stored in the storage medium, and the computer program is used for execution by a processor to implement the above method for receiving a wake-up signal and/or Or the sending method of the wake-up signal.
- a chip the chip includes a programmable logic circuit and/or program instructions, when the chip is running, to realize the above method of receiving the wake-up signal and/or the wake-up signal sending method.
- a computer program product or computer program includes computer instructions, the computer instructions are stored in a computer-readable storage medium, and the processor reads from the The computer-readable storage medium reads and executes the computer instructions, so as to implement the method for receiving the wake-up signal and/or the method for sending the wake-up signal.
- the WUR signal When the WUR signal can be used, the WUR signal is used to transmit the wake-up signal, which effectively reduces the energy consumption of the terminal during data transmission. It provides better power-saving performance for the terminal and improves the battery life of the terminal.
- FIG. 1 is a schematic diagram of a zero-power communication system provided by an exemplary embodiment of the present application
- FIG. 2 is a schematic diagram of radio frequency energy harvesting provided by an exemplary embodiment of the present application
- FIG. 3 is a schematic diagram of a backscatter communication process provided by an exemplary embodiment of the present application.
- FIG. 4 is a schematic diagram of resistive load modulation provided by an exemplary embodiment of the present application.
- Fig. 5 is a schematic diagram of an encoding method provided by an exemplary embodiment of the present application.
- FIG. 6 is a schematic diagram of a terminal with a wake-up receiver provided by an exemplary embodiment of the present application.
- Fig. 7 is a schematic diagram of a mobile communication system provided by an exemplary embodiment of the present application.
- FIG. 8 is a schematic diagram of a DRX cycle provided by an exemplary embodiment of the present application.
- FIG. 9 is a schematic diagram of switching between a DRX long cycle and a DRX short cycle provided by an exemplary embodiment of the present application.
- Fig. 10 is a schematic diagram of an energy-saving signal provided by an exemplary embodiment of the present application.
- Fig. 11 is a schematic diagram of an energy-saving signal provided by an exemplary embodiment of the present application.
- FIG. 12 is a schematic diagram of a DRX period provided by an exemplary embodiment of the present application.
- FIG. 13 is a flow chart of a method for receiving a wake-up signal provided in an exemplary embodiment of the present application
- Fig. 14 is a schematic diagram of a wake-up cycle provided by an exemplary embodiment of the present application.
- FIG. 15 is a flow chart of a method for receiving a wake-up signal provided in an exemplary embodiment of the present application.
- FIG. 16 is a flowchart of a method for receiving a wake-up signal provided in an exemplary embodiment of the present application
- Fig. 17 is a schematic diagram of a paging cycle provided by an exemplary embodiment of the present application.
- FIG. 18 is a flow chart of a method for receiving a wake-up signal provided in an exemplary embodiment of the present application.
- FIG. 19 is a schematic diagram of a DRX cycle provided by an exemplary embodiment of the present application.
- FIG. 20 is a schematic diagram of a DRX cycle and a wake-up cycle provided by an exemplary embodiment of the present application
- FIG. 21 is a flowchart of a method for receiving a wake-up signal provided in an exemplary embodiment of the present application.
- Fig. 22 is a schematic diagram of a paging cycle provided by an exemplary embodiment of the present application.
- Fig. 23 is a schematic diagram of a paging cycle and a wake-up cycle provided by an exemplary embodiment of the present application.
- FIG. 24 is a flow chart of a method for sending a wake-up signal according to an exemplary embodiment of the present application.
- Fig. 25 is a block diagram of a device for receiving a wake-up signal according to an exemplary embodiment of the present application.
- Fig. 26 is a block diagram of a device for sending a wake-up signal according to an exemplary embodiment of the present application
- Fig. 27 is a schematic structural diagram of a terminal provided by an exemplary embodiment of the present application.
- Fig. 28 is a schematic structural diagram of a network device provided by an exemplary embodiment of the present application.
- the network architecture and business scenarios described in the embodiments of the present application are for more clearly illustrating the technical solutions of the embodiments of the present application, and do not constitute limitations on the technical solutions provided by the embodiments of the present application.
- the evolution of the technology and the emergence of new business scenarios, the technical solutions provided in the embodiments of this application are also applicable to similar technical problems.
- FIG. 1 shows a schematic diagram of a zero-power communication system 100 .
- the zero-power communication system 100 includes a network device 120 and a zero-power terminal 140 .
- the network device 120 is used to send wireless power supply signals and downlink communication signals to zero-power terminals and receive backscattered signals from zero-power terminals.
- the zero-power terminal 140 includes an energy collection module 141 , a backscatter communication module 142 and a low-power computing module 143 .
- the energy harvesting module 141 can collect energy carried by radio waves in space, which is used to drive the low-power computing module 143 of the zero-power terminal 140 and realize backscatter communication.
- the zero-power terminal 140 may receive the control signaling of the network device 120, and send data to the network device 120 in a backscattering manner according to the control signaling.
- the sent data may come from the data stored by the zero-power terminal itself (such as an identity or pre-written information, such as the production date, brand, manufacturer, etc. of the commodity).
- the zero power consumption terminal 140 may also include a sensor module 144 and a memory 145 .
- the sensor module 144 may include various sensors, and the zero-power consumption terminal 140 may report data collected by various sensors based on a zero-power consumption mechanism.
- the memory 145 is used to store some basic information (such as item identification, etc.) or obtain sensing data such as ambient temperature and ambient humidity.
- the zero-power terminal itself does not need a battery.
- the low-power computing module can realize simple signal demodulation, decoding or encoding, and modulation. Therefore, the zero-power module only needs a minimalist hardware design, making zero-power Power consumption devices are low cost and small in size.
- FIG. 2 shows a schematic diagram of RF energy harvesting.
- Radio frequency energy collection is based on the principle of electromagnetic induction, using the radio frequency module RF through electromagnetic induction, and connecting with the capacitor C and the load resistance RL that maintain a parallel relationship, so as to realize the collection of space electromagnetic wave energy and obtain the power needed to drive the zero-power terminal.
- energy such as: used to drive low-power demodulation modules, modulation modules, sensors and memory reading, etc. Therefore, zero-power terminals do not require traditional batteries.
- FIG. 3 shows a schematic diagram of the backscatter communication process.
- the zero-power consumption terminal 140 receives the wireless signal carrier 131 sent by the transmission module (Transmit, TX) 121 of the network device 120 using an asynchronous mapping procedure (Asynchronous Mapping Procedure, AMP) 122, and modulates the wireless signal carrier 131, using a logic processing module 147 loads the information to be sent, and uses the energy harvesting module 141 to collect radio frequency energy.
- the zero-power terminal 140 uses the antenna 146 to radiate the modulated reflected signal 132 , and this information transmission process is called backscatter communication.
- the receiving module (Receive, RX) 123 of the network device 120 uses a low noise amplifier (Low Noise Amplifier, LNA) 124 to receive the modulated reflection signal 132.
- LNA Low Noise Amplifier
- Backscatter and load modulation functions are inseparable.
- the load modulation adjusts and controls the circuit parameters of the oscillation circuit of the zero-power consumption terminal 140 according to the beat of the data flow, so that the parameters such as the impedance of the electronic tag change accordingly, and the modulation process is completed.
- Load modulation techniques mainly include resistive load modulation and capacitive load modulation.
- Figure 4 shows a schematic diagram of resistive load modulation.
- the load resistor RL is connected in parallel with the third resistor R 3 , and the switch S controlled by the binary code is turned on or off. The on-off of the third resistor R 3 will cause the voltage on the circuit to change, and the load
- the resistor RL is connected in parallel with the first capacitor C 1
- the load resistor RL is connected in series with the second resistor R 2
- the second resistor R 2 is connected in series with the first inductor L 1 .
- the first inductor L 1 is coupled to the second inductor L 2 , and the second inductor L 2 and the second capacitor C 2 are connected in series.
- Amplitude Shift Keying (ASK) can be realized, that is, signal modulation and transmission can be realized by adjusting the amplitude of the backscattering signal of the zero-power terminal.
- the circuit resonant frequency can be changed by switching on and off the capacitor, and frequency keying modulation (Frequency Shift Keying, FSK) can be realized, that is, by adjusting the working frequency of the backscatter signal of the zero-power consumption terminal Realize signal modulation and transmission.
- FSK frequency Shift Keying
- the zero-power terminal performs information modulation on the incoming wave signal, realizing the process of backscatter communication.
- Zero-power terminals have significant advantages: the terminal does not actively transmit signals, so it does not need complex radio frequency links, such as PAs, radio frequency filters, etc.; the terminal does not need to actively generate high-frequency signals, so it does not need high-frequency crystal oscillators; For scattered communication, the terminal signal transmission does not need to consume the energy of the terminal itself.
- Fig. 5 shows a schematic diagram of the encoding method.
- the data transmitted by the electronic tag can use different forms of codes to represent binary "1" and "0".
- Radio frequency identification systems usually use one of the following encoding methods: reverse non-return to zero (Not Return to Zero, NRZ) encoding, Manchester encoding, unipolar return to zero (Unipolar Return to Zero, URZ) encoding, Differential Binary Phase (DBP) encoding, Miller (Miller) encoding and differential encoding. That is, different pulse signals can be used to represent 0 and 1.
- ⁇ NRZ encoding uses a high level to represent a binary "1", and a low level to represent a binary "0".
- the NRZ coding in Figure 5 shows a schematic diagram of the binary data encoded using the NRZ method: 101100101001011.
- Manchester encoding is also known as split-phase encoding (Split-Phase Coding).
- the binary value is represented by a level change (rising or falling) during half a bit period within the bit length, a negative transition during a half bit period represents a binary "1", and a half bit period Positive jumps represent binary "0”, and data transmission errors refer to when multiple electronic tags send data bits with different values at the same time, the rising and falling edges of the reception cancel each other out, resulting in uninterrupted transmission throughout the entire bit length carrier signal.
- Manchester encoding is within the bit length, there can be no state without change. Using this error, the reader can determine the specific location of the collision.
- Manchester encoding is helpful for finding errors in data transmission. When using carrier load modulation or backscatter modulation, it is usually used for data transmission from electronic tags to readers.
- Manchester encoding in FIG. 5 shows a level schematic diagram of encoding binary data using the Manchester method: 101100101001011.
- URZ Encoding shows a level diagram of encoding binary data using the URZ method: 101100101001011.
- ⁇ DBP encoding differential biphase encoding represents binary "0" at any edge in half a bit period, and binary "1" without an edge. In addition, at the beginning of each bit period, the level must be inverted. Bit beats are relatively easy to reconstruct for the receiver.
- the DBP encoding in FIG. 5 shows a level schematic diagram of encoding binary data using the DBP method: 101100101001011.
- Miller encoding represents a binary "1" at any edge within half a bit period, and a binary "0" through a constant level in the next bit period. The level transition occurs at the beginning of the bit period, and the bit beat is relatively easy for the receiver to reconstruct.
- Miller encoding in FIG. 5 shows a level schematic diagram of encoding binary data using the Miller method: 101100101001011.
- each binary "1" to be transmitted causes a change in signal level, while for a binary "0", the signal level remains unchanged.
- zero-power terminals Based on the energy sources and usage methods of zero-power terminals, zero-power terminals can be divided into the following types:
- the zero-power terminal does not need a built-in battery.
- the zero-power terminal is close to the network device, the zero-power terminal is within the near-field range formed by the antenna radiation of the network device.
- the network device is a radio frequency identification technology (Radio Frequency Identification, RFID ) system reader. Therefore, the antenna of the zero-power terminal generates an induced current through electromagnetic induction, and the induced current drives the low-power chip circuit of the zero-power terminal. Realize the demodulation of the forward link signal and the signal modulation of the backward link. For the backscatter link, the zero-power terminal uses the backscatter implementation to transmit signals.
- the passive zero-power terminal does not need a built-in battery to drive either the forward link or the reverse link, and is a true zero-power terminal.
- Passive zero-power terminals do not require batteries, and the radio frequency circuits and baseband circuits are very simple, such as low noise amplifiers (Low Noise Amplifier, LNA), power amplifiers (Power Amplifier, PA), crystal oscillators, analog-to-digital converters (Analog to Digital Converter (ADC) and other devices have many advantages such as small size, light weight, very cheap price, and long service life.
- LNA Low Noise Amplifier
- PA Power Amplifier
- ADC Analog to Digital Converter
- the semi-passive zero-power terminal itself does not install a conventional battery, and can use a radio frequency energy harvesting module to collect radio wave energy, and store the collected energy in an energy storage unit.
- the energy storage unit is a capacitor. After the energy storage unit obtains energy, it can drive the low-power chip circuit of the zero-power terminal. Realize the demodulation of the forward link signal and the signal modulation of the backward link. For the backscatter link, the zero-power terminal uses the backscatter implementation to transmit signals.
- Semi-passive zero-power terminals do not need a built-in battery to drive either the forward link or the reverse link.
- the energy stored in the capacitor used in the work comes from the radio energy collected by the RF energy harvesting module, which is a real meaning zero-power terminals.
- Semi-passive zero-power terminals inherit many advantages of passive zero-power terminals, such as: small size, light weight, very cheap price, long service life and many other advantages.
- Active zero-power terminals can have built-in batteries.
- the battery is used to drive the low-power chip circuit of the zero-power terminal. Realize the demodulation of the forward link signal and the signal modulation of the backward link. But for the backscatter link, the zero-power terminal uses the backscatter implementation to transmit the signal.
- the zero power consumption of the active zero-power terminal is mainly reflected in the fact that the signal transmission of the reverse link does not require the power of the terminal itself, and the backscattering method is used.
- the built-in battery supplies power to the RFID chip, increasing the reading and writing distance of the tag and improving the reliability of communication. It can be applied in some scenarios that require relatively high communication distance and read delay.
- the present application provides a schematic diagram of a terminal 510 with a wake-up receiver.
- the terminal 510 includes: a wake-up receiver 52 and a main receiver 54 .
- the wake-up receiver 52 is a zero-power receiver or a low-power receiver that consumes less than a predetermined condition.
- the wake-up receiver 52 uses the first transmission mode to receive the wake-up signal.
- the main receiver 54 is a conventional receiver.
- the wake-up receiver 52 uses the second transmission mode to receive the wake-up signal.
- the wake-up receiver 52 is a main receiver 54 module specially used to receive wake-up signals.
- the wake-up receiver 52 is a module with extremely low power consumption or even zero Power consumption receiver, which uses similar technologies to RFID, including passive, envelope detection, energy harvesting, etc.
- the wake-up receiver 52 can be activated by a radio frequency signal and provide energy, which is used to drive the wake-up receiver 52 to receive the wake-up signal and further send indication information to the main receiver 54 of the UE, and the main receiver 54 for waking the UE to further perform Control channel reception.
- the wake-up receiver 52 can be combined with the UE as an additional module of the main receiver of the UE, or can be used as a wake-up function module of the UE alone.
- Fig. 7 shows a schematic diagram of a mobile communication system 500 provided by an exemplary embodiment of the present application.
- the mobile communication system 500 includes at least the following functional nodes:
- Terminal 510 having a wake-up receiver 52 and a main receiver 54 at the same time, as shown in FIG. 6 .
- the network device 520 provides a communication link for the terminal 510, and/or provides the terminal 510 with radio waves collected based on the RF energy harvesting module, that is, energy supply.
- Core network (Corn Network, CN) equipment 530 data processing and reception, control and management of functions such as related services, mobility, user plane, control plane, and gateway of terminal 510.
- both the Long Term Evolution (LTE) system and the New Radio (NR) system have a DRX mechanism, so that the terminal does not have to turn on the receiver all the time when there is no data reception. Instead, it enters a state of discontinuous reception, so as to achieve the purpose of power saving.
- the DRX mechanism includes configuring the DRX cycle (DRX cycle) for the UE in the Radio Resource Control Connected (RRC_CONNECTED state), and a DRX cycle consists of an activation period (On Duration) and a DRX opportunity (Opportunity for DRX). .
- FIG. 8 shows a schematic diagram of a DRX cycle.
- a DRX cycle 11 includes an active time period 12 and a DRX opportunity 13 .
- the DRX cycle of the UE can be configured as a short cycle and a long cycle, a total of two types; when the UE is in the DRX short cycle, it will start and restart a timer according to the reception of data scheduling. When the timer expires, it can switch to the DRX long cycle. to further save power.
- the network device can also enter the DRX short-cycle or long-cycle DRX through the DRX command, wherein the DRX command is sent to the UE through the Media Access Control Element (MAC CE).
- MAC CE Media Access Control Control Element
- Fig. 9 shows a schematic diagram of switching between DRX long cycle and DRX short cycle; UE is initially in DRX long cycle state, and starts or restarts the inactivity timer (drx-InactivityTimer) when receiving data transmission scheduling.
- the inactive timer expires or the UE receives a DRX command (DRX Command) MAC CE
- the UE enters the DRX short cycle and starts the short cycle timer (drx-ShortCycleTimer) at the same time.
- the short cycle timer expires or the UE receives a DRX long cycle command (Long DRX Command) MAC CE
- the UE enters the DRX long cycle state.
- the UE needs to detect the PDCCH all the time.
- the short cycle timer expires, the UE needs to perform discontinuous reception according to the DRX short cycle.
- Fig. 10 shows a schematic diagram of an energy saving signal.
- the energy saving signal is used in combination with the DRX mechanism, and the terminal receives the indication of the energy saving wakeup signal before the activation time period in the DRX cycle.
- the energy-saving signal instructs the terminal to monitor the PDCCH during the activation period of the DRX cycle; conversely, when the terminal has no data transmission in a DRX cycle, the energy-saving signal instructs the terminal to activate the DRX cycle.
- the PDCCH is not monitored during the time period.
- the energy-saving signal is introduced so that the terminal does not monitor the PDCCH during the activation period of the DRX cycle when there is no data transmission, which saves energy consumption of the terminal.
- the bearer format of the energy-saving signal is DCI format 2_6 (Format 2_6).
- the time of the terminal outside the active time period in the DRX cycle is called the inactive time, and the time in the active time period in the DRX cycle is called the active time.
- the energy saving signal indicates whether the terminal monitors the PDCCH during the active period of the DRX cycle.
- the energy-saving strategy for terminals in the connected state is further optimized, and the enhanced solution of R16 search space set group switching is introduced to skip PDCCH monitoring to save energy when necessary, that is, the PDCCH skipping solution.
- Control information related to search space set group switching and PDCCH skipping is also carried by the PDCCH.
- the paging message is received through DRX.
- the terminal when the terminal is not paged, the terminal periodically detects the PDCCH in the corresponding PO, but there is no paging indication information transmitted to the terminal, which will cause waste of power.
- FIG. 11 shows a schematic diagram of the energy-saving signals.
- Paging Early Indication (PEI)
- PDCCH Paging Early Indication
- the energy saving signal is carried on the PDCCH channel, and the carrying format of the energy saving signal is DCI format 2_7 (Format 2_7).
- the energy-saving signal based on the PDCCH channel may also carry more energy-saving information, for example, may carry sub-grouping (sub-grouping) information, which is used to indicate the terminal sub-grouping corresponding to the energy-saving information.
- the sub-group is for the further grouping of multiple UEs corresponding to a PO through UE identifier calculation, and the sub-group information combined with the energy-saving information can more finely indicate whether the target PO needs to receive paging terminals.
- the network device can send paging to the terminals in idle state (Idle) and connected state (RRC-Connection).
- the paging process can be triggered by core network equipment or access network equipment, and is used to send paging requests to terminals in the idle state, or to notify system information updates, and to notify terminals to receive earthquake and tsunami warning information (Earthquake and Tsunami Warning System, ETWS) and commercial mobile alert service (Commercial Mobile Alert System, CMAS) and other information.
- the base station interprets the content, obtains the tracking area identity (TAI, Tracking Area Identity) list (TA, list) of the UE, and performs Air paging.
- TAI Tracking Area Identity
- the core domain of the paging message will not be decoded at the base station, but transparently transmitted to the terminal.
- the base station After receiving the paging message from the core network, the base station aggregates the paging messages of the terminals with the same paging occasion (Paging Occasion, PO) into one paging message, and transmits it to the relevant terminal through the paging channel.
- the terminal receives the paging parameters through the system message, calculates the PO in combination with its own UE identity, and receives the paging message at the corresponding time.
- the paging message is carried on the Physical Downlink Shared Channel (PDSCH), and the UE obtains the paging indication information by detecting the PDCCH scrambled with the Paging Radio Network Temporary Identifier (P-RNTI), thereby Receive paging messages.
- P-RNTI Paging Radio Network Temporary Identifier
- the terminal in the Idle state will save power through DRX, and the UE obtains DRX-related information from the System Information Broadcast (SIB2).
- SIB2 System Information Broadcast
- the PO on the paging frame (Paging Frame, PF) in a DRX cycle monitors the PDCCH scrambled by the P-RNTI to receive the paging message.
- PF represents the system frame number at which the paging message should appear, and PO represents the possible time of occurrence.
- a PF frame may include one or more POs. For each DRX cycle or paging cycle (Paging Cycle), the UE only needs to monitor the PO corresponding to the terminal.
- SFN System Frame Number
- div indicates the integer division operation
- mod indicates the modulo operation
- i_s floor(UE_ID/N) mod Ns;
- UE_ID (5G-S-TMSI mod 1024).
- N is the number of PFs in T.
- Ns is the number of POs in one PF.
- PF_offset is a frame offset for determining PF.
- Fig. 12 shows a schematic diagram during DRX.
- Fig. 13 shows a flowchart of a method for receiving a wake-up signal provided by an exemplary embodiment of the present application. This embodiment is described by taking the method applied to a terminal as an example. The method includes:
- Step 610 Receive a wake-up signal
- the wake-up signal carries the reception information of the PDCCH; the wake-up signal includes a wake-up radio (Wake Up Radio, WUR) signal.
- WUR wake-up Radio
- the wake-up signal adopts the first transmission mode, that is, the transmission mode of the WUR signal is the first transmission mode
- the PDCCH adopts the second transmission mode
- the receiver, waveform, and modulation mode used in the first transmission mode and the second transmission mode At least one of , coding and multiple access methods is different.
- the energy consumption of the first transmission parameter of the energy saving information is less than the energy consumption of the second transmission parameter of the control channel.
- the first transmission parameter is a transmission parameter corresponding to waking up the receiver.
- the first transmission parameter is a transmission parameter corresponding to a zero-power receiver; and/or, the first transmission parameter is a transmission parameter corresponding to a low-power receiver.
- the second transmission parameter is a transmission parameter corresponding to a traditional receiver; or, a transmission parameter corresponding to a conventional receiver; or, a transmission parameter not corresponding to a "zero-power receiver+low-power receiver".
- the modulation method of the first transmission parameter includes any one of amplitude keying (Amplitude Shift Keying, ASK) modulation, frequency shift keying (Frequency Shift Keying, FSK) modulation, binary phase shift keying (2Phase-Shift Keying, 2PSK) modulation item.
- the modulation method of the second transmission parameter includes Orthogonal Frequency-Division Multiplexing (OFDM) modulation, quadrature phase-shift keying (Quadrature Phase-Shift Keying, QPSK) modulation, quadrature phase-shift keying (QPSK) modulation, Any one of Quadrature Amplitude Modulation (QAM).
- OFDM Orthogonal Frequency-Division Multiplexing
- QPSK Quadrature Phase-Shift Keying
- QPSK quadrature phase-shift keying
- ASK is a digital modulation in which the amplitude of a carrier wave varies with a digital baseband signal.
- the digital baseband signal is binary, it is binary amplitude keying 2ASK.
- 2ASK is also called on-off keying or on-off keying (On-Off Keying, OOK), which uses a unipolar non-return-to-zero code sequence to control the opening and closing of the positive line carrier.
- OOK On-Off Keying
- ASK also includes 4ASK, 8ASK, etc., which is not limited in this embodiment.
- FSK is a digital modulation in which the frequency of the carrier varies with the digital baseband signal.
- the digital baseband signal is binary, it is binary frequency shift keying 2FSK.
- 2FSK completes information transmission by transforming two different carrier signals into digital signals.
- the state of the transmitted information is characterized by the change of the carrier frequency, and the frequency of the modulated carrier changes with the state of the binary sequence 0, 1.
- FSK also includes 4FSK, 8FSK, etc., which are not limited in this embodiment.
- PSK is a digital modulation in which the phase of a carrier varies with a digital baseband signal.
- 2PSK is the simplest form of phase shift keying. It uses two carrier waves with an initial phase interval of 180 to transmit binary information, also known as BPSK.
- QPSK is quaternary phase-shift keying, which uses four different phase differences of the carrier to represent the input digital information.
- OFDM is a kind of multi-carrier modulation (Multi Carrier Modulation, MCM). Its main principle is to divide the channel into several orthogonal sub-channels, convert high-speed data signals into parallel low-speed sub-data streams, and modulate them on each sub-channel for transmission. .
- OFDM includes V-OFDM, W-OFDM, F-OFDM, MIMO-OFDM, multi-band-OFDM, etc., which is not limited in this embodiment.
- QAM is to use two independent baseband digital signals to suppress the broadcast double sideband modulation of two mutually orthogonal co-frequency carriers, and use the nature of spectrum orthogonality of this modulated signal in the same bandwidth to realize two parallel channels Digital information transmission. It is a modulation technique that combines the multi-ary digital amplitude modulation MASK and the multi-ary digital phase modulation MPSK, which doubles the bandwidth.
- the first transmission parameter adopts a simple, low-order digital modulation method
- the second transmission parameter adopts a relatively complex, high-order, orthogonal digital modulation method
- the signal complexity of the first transmission parameter is lower than that of the second transmission parameter .
- the examples of the modulation method of the first transmission parameter and the modulation method of the second transmission parameter in the above embodiment are only examples, and should not constitute any limitation to the application, and do not exclude the use of other existing or future defined
- the modulation method generates the first transmission parameter or the second transmission parameter.
- the coding modes of the first transmission parameter and the second transmission parameter are different.
- the encoding method of the first transmission parameter includes any one of reverse non-return-to-zero encoding, Manchester encoding, unipolar return-to-zero encoding, differential bi-phase encoding, Miller encoding, and differential encoding.
- the encoding method of the second transmission parameter includes a new block (Reed-Muller, RM) code, tail biting convolutional code (Tail Biting CC, TBCC), Turbo code, outer code, low density parity check code (Low Density Parity Check Code, LDPC), any one of Polar code.
- the multiple access modes of the first transmission parameter and the second transmission parameter are different.
- the multiple access mode of the first transmission parameter includes Frequency Division Multiple Access (Frequency-Division Multiple Access, FDMA), Time Division Multiple Access (Time-Division Multiple Access, TDMA), Code Division Multiple Access (Code-Division Multiple Access, CDMA) any one.
- the multiple access mode of the second transmission parameter includes Orthogonal Frequency-Division Multiple Access (OFDMA), discrete Fourier transform extended Orthogonal Frequency-Division Multiplexing (DFT-Spread OFDM, DFTS-OFDM) any one.
- signal waveforms generated by using different modulation modes are different.
- the modulation modes of the first feedback signal and the second feedback signal are different, so the waveforms of the first feedback signal and the second feedback signal are different.
- the wake-up receiver in the terminal receives the wake-up signal, that is, uses the first transmission mode to receive the wake-up signal.
- the wake-up signal carries identification information;
- the identification information includes but is not limited to at least one of the following:
- PDCCH carries scheduling information and/or common control information of data transmission
- PDCCH carries scheduling information and/or public control information for data transmission
- PDCCH carries paging indication information.
- the method of receiving the wake-up signal may be periodic reception or reception at any time; in the case of receiving the wake-up signal at any time, the terminal may receive the wake-up signal at any point in time .
- the wake-up signal is received according to a wake-up period, which is a time interval at which a time unit for receiving the wake-up signal occurs.
- FIG 14 shows a schematic diagram of a wake-up cycle; there are 4 time units of the same duration in a wake-up cycle 21, wherein the first time unit 22 is a time unit for receiving a wake-up signal, and the wake-up cycle 21 is a time unit for receiving a wake-up signal
- the time interval at which the time unit appears that is, 4 time units.
- the wake-up receiver of the terminal In the case of receiving a wake-up signal, the wake-up receiver of the terminal is in the on state. In order to reduce the delay of data transmission, as described above, the wake-up receiver can always be kept on, that is, receive the wake-up signal at any time; the time unit for receiving the wake-up signal There is no limitation, when the data of the terminal arrives, the terminal can be instructed to monitor the PDCCH through a wake-up signal in time. Those skilled in the art can understand that receiving the wake-up signal has nothing to do with the activation time period in the DRX mechanism.
- the WUR signal when the WUR signal can be used, the WUR signal is used to transmit the wake-up signal, which effectively reduces the energy consumption when the terminal performs data transmission. It provides better power-saving performance for the terminal and improves the battery life of the terminal.
- Fig. 15 shows a flowchart of a method for receiving a wake-up signal provided by an exemplary embodiment of the present application. This embodiment is described by taking the method applied to a terminal as an example. The method includes:
- Step 610 Receive a wake-up signal
- the wake-up signal carries the reception information of the PDCCH; the wake-up signal includes a WUR signal.
- the wake-up signal adopts the first transmission mode, that is, the transmission mode of the WUR signal is the first transmission mode, the PDCCH adopts the second transmission mode, and the receiver, waveform, and modulation mode used in the first transmission mode and the second transmission mode At least one of , coding and multiple access methods is different.
- the wake-up signal carries identification information;
- the identification information includes but is not limited to at least one of the following:
- PDCCH carries scheduling information and/or common control information of data transmission
- PDCCH carries scheduling information and/or common control information for data transmission
- PDCCH carries paging indication information.
- Step 620 When the wake-up signal carries the identification information of the terminal, monitor the PDCCH at the second time unit associated with the wake-up signal;
- the time unit where the wake-up signal is located is the first time unit
- the time unit for monitoring the PDCCH is the second time unit
- the second time unit is the time unit associated with the wake-up signal
- the above-mentioned first time unit and the second time unit The length of time is usually different, but the same situation is not excluded. There is a time delay between the first time unit and the second time unit;
- the wake-up signal is received based on the wake-up receiver, and the PDCCH is received based on the main receiver.
- the wake-up receiver wakes up the main receiver after receiving the wake-up signal.
- the PDCCH is received in the state.
- the second time unit in this application is to monitor the PDCCH based on the wake-up signal to achieve the purpose of power saving; those skilled in the art can understand that the method for receiving the wake-up signal as described in the embodiment shown in Figure 13 It may be received periodically or at any time; correspondingly, the second time unit may be periodic or aperiodic. That is, different from monitoring the PDCCH based on periodic time units or semi-statically configured time units in the related art, the present application monitors the PDCCH based on a wake-up signal.
- the second time unit is determined by the first time unit and a time delay, and the time delay is used to describe a time interval between the first time unit and the second time unit.
- the delay determination method includes but is not limited to any of the following methods:
- the delay is predefined; the predefined delay is determined based on the capability of the terminal;
- the main receiver based on the terminal enables the capability of delay correlation.
- the delay is pre-configured by the network equipment
- the preconfigured time delay of the network device may be preconfigured and determined before receiving the wakeup signal, or may be preconfigured and determined after receiving the wakeup signal.
- the delay is determined according to the search space of the PDCCH
- the start time of the second time unit is the start time of the related PDCCH listening opportunity
- the related PDCCH listening opportunity is the latest PDCCH listening opportunity after the first time unit satisfies the first delay
- the second time delay is between the end time of the delay and the latest PDCCH monitoring opportunity
- the time delay is the sum of the above-mentioned first time delay and the second time delay; wherein, the PDCCH monitoring time is determined by the PDCCH search space.
- the time delay is determined according to the indication information of the wake-up signal
- the indication information may directly determine the delay, for example, the indication information carries the length information of the delay; the indication information may also determine the delay indirectly, for example, the indication information carries the second time unit information for monitoring the PDCCH.
- the indication information may be carried in the wake-up signal, or transmitted separately before receiving the wake-up signal.
- the method provided by this embodiment uses the WUR signal to transmit the wake-up signal when the WUR signal can be used; by monitoring the PDCCH only when the wake-up signal carries the identification information of the terminal, it effectively reduces the Energy consumption when the terminal performs data transmission. It provides better power-saving performance for the terminal and improves the battery life of the terminal.
- the different identification information carried by the wake-up signal is introduced in turn.
- Implementation method 1 the wake-up signal carries the UE identity, or the UE group identity;
- Implementation method 2 the wake-up signal carries a DRX configuration identifier, or a DRX group configuration identifier;
- the wake-up signal carries a PO/PF identifier, or a PO/PF group identifier.
- the wake-up signal carries a UE identity, or a UE group identity
- Fig. 16 shows a flowchart of a method for receiving a wake-up signal provided by an exemplary embodiment of the present application. This embodiment is described by taking the method applied to a terminal as an example. The method includes:
- Step 612 Receive a wake-up signal, the wake-up signal carries the UE identity of the terminal, or the UE group identity;
- the wake-up signal carries the reception information of the PDCCH; the wake-up signal includes a WUR signal.
- the wake-up signal adopts the first transmission mode, that is, the transmission mode of the WUR signal is the first transmission mode, the PDCCH adopts the second transmission mode, and the receiver, waveform, and modulation mode used in the first transmission mode and the second transmission mode At least one of , coding and multiple access methods is different.
- the wake-up signal carries identification information, and the identification information includes UE identification or UE group identification.
- Step 622 When the wake-up signal carries the UE identity of the terminal, or the UE group identity, monitor the PDCCH at the second time unit associated with the wake-up signal;
- the wake-up receiver in the terminal receives the wake-up signal, and the UE identifier carried in the wake-up signal, or the UE group identifier is used to trigger the corresponding UE or UE group, turn on the main receiver, and activate the second receiver associated with the wake-up signal.
- the time unit monitors the PDCCH.
- monitoring the PDCCH is performed based on the first timer.
- the function of the first timer is similar to that of the inactive timer; when the terminal receives a wake-up signal, the first timer is started when monitoring the PDCCH, Before the first timer expires, the terminal needs to continue to monitor the PDCCH; after detecting the PDCCH sent to the terminal, restart the first timer, and after the first timer expires, the terminal can stop monitoring the PDCCH, and wake up the receiver to monitor wake up signal.
- Figure 17 shows a schematic diagram of the paging cycle, in the paging cycle 31, the time unit where the wake-up signal is located is the first time unit 32, the time unit for monitoring the PDCCH is the second time unit 33, the first time unit and the second time unit There is a delay 34 between time units, and at the last time point of the second time unit 33, the first timer expires, and the terminal stops monitoring the PDCCH.
- the UE identity of the terminal is obtained according to the cell radio network temporary identifier (Cell Radio Network Temporary Identifier, C-RNTI) of the terminal;
- C-RNTI Cell Radio Network Temporary Identifier
- UE ID is the C-RNTI corresponding to the terminal:
- UE_ID C-RNTI
- UE_ID represents a UE identity
- C-RNTI represents a cell radio network temporary identifier corresponding to the terminal.
- the UE identity is calculated by the C-RNTI:
- UE_ID C-RNTI mod N
- UE_ID represents the UE identity
- C-RNTI represents the cell wireless network temporary identifier corresponding to the terminal
- mod represents modulo calculation
- the value range of N is a positive integer.
- the value of N is 1024.
- the UE group identifier of the terminal is obtained according to the group RNTI of the terminal;
- UE group identifier is the group RNTI corresponding to the terminal:
- UE_ID RNTI
- UE_ID represents a UE group identifier
- RNTI represents a group RNTI corresponding to the UE group.
- the UE group identity is calculated by the group RNTI:
- UE_ID RNTI mod N
- UE_ID represents the UE group identifier
- RNTI represents the group RNTI corresponding to the UE group
- mod represents modulo calculation
- the value range of N is a positive integer.
- the value of N is 1024.
- the UE identity of the terminal is based on the terminal's Evolved Packet System Temporary Mobile Station Identity (S- TMSI) obtained;
- UE identity is the S-TMSI corresponding to the terminal:
- UE_ID S-TMSI
- UE_ID represents the UE identity
- S-TMSI represents the EPS Temporary Mobile Subscriber Identity corresponding to the terminal.
- the UE identity is calculated by S-TMSI:
- UE_ID S-TMSI mod N;
- UE_ID represents the UE identity
- S-TMSI represents the EPS Temporary Mobile User Identity corresponding to the terminal
- mod represents modulo calculation
- the value range of N is a positive integer.
- the value of N is 1024.
- the UE group identifier is obtained by performing modulo calculation on the basis of the UE identifier.
- the method of receiving the wake-up signal may be periodically or anytime; in the case of periodically receiving the wake-up signal, the wake-up signal is received according to the wake-up cycle.
- the method provided by this embodiment uses the WUR signal to transmit the wake-up signal when the WUR signal can be used; by listening
- the PDCCH expands the dimension of the method for receiving the wake-up signal, and effectively reduces the energy consumption of the terminal during data transmission. It provides better power-saving performance for the terminal and improves the battery life of the terminal.
- the wake-up signal carries a DRX configuration identifier, or a DRX group configuration identifier
- Fig. 18 shows a flowchart of a method for receiving a wake-up signal provided by an exemplary embodiment of the present application. This embodiment is described by taking the method applied to a terminal as an example. The method includes:
- Step 614 Receive a wake-up signal, the wake-up signal carries the DRX configuration identifier of the terminal, or the DRX group configuration identifier;
- the wake-up signal carries the reception information of the PDCCH; the wake-up signal includes a WUR signal.
- the wake-up signal adopts the first transmission mode, that is, the transmission mode of the WUR signal is the first transmission mode, the PDCCH adopts the second transmission mode, and the receiver, waveform, and modulation mode used in the first transmission mode and the second transmission mode At least one of , coding and multiple access methods is different.
- the wake-up signal carries identification information, and the identification information includes a DRX configuration identification, or a DRX group configuration identification.
- Step 624 When the wake-up signal carries the DRX configuration identifier of the terminal, or the DRX group configuration identifier, monitor the PDCCH at the second time unit associated with the wake-up signal;
- the DRX signaling configures DRX related parameters for the terminal, and the DRX related parameters include but not limited to at least one of the following: timer duration, DRX cycle and offset.
- the network device configures DRX-related parameters for the terminal, and averages the transmissions of different terminals in time, so as to improve the processing capability and resource utilization efficiency of the network device.
- the DRX configuration is a grouping of terminals.
- the DRX configuration corresponds to a DRX configuration identifier.
- the wake-up signal carries the DRX configuration identifier or the DRX group configuration identifier.
- the terminal corresponding to the DRX configuration identifier or the DRX configuration group identifier carried in the wake-up signal can The signal turns on the main transceiver, and monitors the PDCCH in the second time unit associated with the wake-up signal.
- the time unit where the wake-up signal is located is the first time unit
- the time unit for monitoring the PDCCH is the second time unit
- the second time unit is the time unit associated with the wake-up signal
- the above-mentioned first time unit and the second time unit The length of time is usually different, but the same situation is not excluded. There is a time delay between the first time unit and the second time unit;
- the second time unit is determined by the first time unit and a time delay, and the time delay is used to describe a time interval between the first time unit and the second time unit.
- the delay determination method also includes:
- the delay is determined based on the latest On Duration after the first time unit
- the start time of the second time unit is the start time of the related On Duration
- the related On Duration is the latest On Duration of the first time unit after meeting the first delay
- the end of the first delay The second time delay is between the time and the latest PDCCH monitoring opportunity, and the time delay is the sum of the first time delay and the second time delay.
- the DRX group configuration identifier of the terminal is obtained according to the DRX configuration identifier of the terminal; for example, the DRX group configuration identifier is obtained by modulo calculation based on the DRX configuration identifier of the terminal.
- Figure 19 shows a schematic diagram of the DRX cycle; it shows the DRX cycles of UE1, UE2, and UE3. Since the above three terminals are configured with different DRX configurations, the activation time periods and DRX opportunities in the DRX cycles of the three terminals are also different. Yes, the three terminals have corresponding first DRX configuration identifiers, second DRX configuration identifiers, and third DRX configuration identifiers; when the DRX configuration identifier carried in the wake-up signal matches the DRX configuration corresponding to the terminal, the terminal is in the second The time unit monitors the PDCCH. For example, the wake-up signal carries the second DRX configuration identifier, the second DRX configuration identifier corresponds to UE2, and UE2 monitors the PDCCH in the second time unit.
- monitoring the PDCCH is performed based on the first timer, and for the introduction of the first timer, please refer to step 622 above.
- discontinuous reception through the DRX mechanism and the discontinuous reception through the indication of the wake-up signal are two independent modes, and the reception of the wake-up signal has nothing to do with the relevant parameters in the DRX mechanism.
- the above two modes can exist at the same time, and the switching between the two modes is performed according to rules or signaling instructions.
- the method of receiving the wake-up signal can be received periodically or at any time; in the case of periodically receiving the wake-up signal, the wake-up signal is received according to the wake-up cycle; optionally, the wake-up signal carries the DRX configuration identifier, or the DRX group In the case of configuring the flag, the wake-up cycle is shorter than the DRX cycle.
- FIG. 20 shows a schematic diagram of the DRX cycle and the wake-up cycle; in order to further reduce the power consumption of the wake-up receiver, the wake-up receiver is configured as discontinuous reception with reference to the DRX mechanism, and the wake-up receiver of the terminal receives according to the wake-up cycle 42
- the wake-up period 42 is shorter than the DRX period 31, and the wake-up signal is received in the wake-up pattern in the wake-up period 42; compared with the main receiver, the wake-up receiver consumes less energy and reduces data transmission delay.
- the wake-up period 42 can be configured independently of the DRX configuration.
- the method provided by this embodiment uses the WUR signal to transmit the wake-up signal when the WUR signal can be used; only when the wake-up signal carries the DRX configuration identifier of the terminal or the DRX group configuration identifier
- the down-monitoring of the PDCCH expands the dimension of the method for receiving the wake-up signal, and effectively reduces the energy consumption of the terminal during data transmission. It provides better power-saving performance for the terminal and improves the battery life of the terminal.
- the wake-up signal carries a PO/PF identifier, or a PO/PF group identifier
- Fig. 21 shows a flowchart of a method for receiving a wake-up signal provided by an exemplary embodiment of the present application. This embodiment is described by taking the method applied to a terminal as an example. The method includes:
- Step 616 Receive a wake-up signal, the wake-up signal carries the PO/PF identifier of the terminal, or the PO/PF group identifier;
- the wake-up signal carries the reception information of the PDCCH; the wake-up signal includes a WUR signal.
- the wake-up signal adopts the first transmission mode, that is, the transmission mode of the WUR signal is the first transmission mode, the PDCCH adopts the second transmission mode, and the receiver, waveform, and modulation mode used in the first transmission mode and the second transmission mode At least one of , coding and multiple access methods is different.
- the wake-up signal carries identification information, and the identification information includes PO/PF identification, or PO/PF group identification.
- Step 626 When the wake-up signal carries the terminal's PO/PF identifier or PO/PF group identifier, monitor the PDCCH at the second time unit associated with the wake-up signal;
- the paging cycle includes 32, 64, 128, 256 radio frames
- the indication information (nAndPagingFrameOffset) is used to indicate the number N of paging frames (PF) contained in the paging cycle and the position of the PF .
- the value range of N is ⁇ T, T/2, T/4, T/8, T/16 ⁇
- T is the paging cycle.
- the terminal calculates and obtains the corresponding PO according to the UE identifier, that is, the terminal is grouped, and each PO corresponds to a UE group; for example, 32 POs are divided into one paging cycle, that is, 32 UE groups.
- the wake-up signal carries the PO/PF identifier of the terminal, such as the above 32 POs or 16 PFs; optionally, the POs or PFs in a paging cycle are numbered in chronological order, that is, the number of POs is 0-31, The number of PF is 0-15, and the above number is the identification of PO or PF.
- the 32 POs and the 16 PFs may be further grouped, and the wake-up signal carries a PO group identifier or a PF group identifier.
- the PO/PF group identifier is obtained according to the PO/PF identifier; for example, the PO/PF group identifier is obtained by modulo calculation based on the PO/PF identifier of the terminal.
- the time unit where the wake-up signal is located is the first time unit
- the time unit for monitoring the PDCCH is the second time unit
- the second time unit is the time unit associated with the wake-up signal
- the above-mentioned first time unit and the second time unit The length of time is usually different, but the same situation is not excluded. There is a time delay between the first time unit and the second time unit;
- the second time unit is determined by the first time unit and a time delay, and the time delay is used to describe a time interval between the first time unit and the second time unit.
- the delay determination method also includes:
- the delay is determined based on the latest PO after the first time unit
- the start time of the second time unit is the start time of the related PO
- the related PO is the latest PO after the first time unit meets the first delay
- the end time of the first delay is the same as the latest
- the second time delay is between the PDCCH monitoring opportunities, and the time delay is the sum of the first time delay and the second time delay.
- Figure 22 shows a schematic diagram of a paging cycle; it shows the paging cycles of UE1, UE2, and UE3.
- the above three terminals determine the corresponding PF and PO according to the paging configuration and UE identity, and the paging cycles in one paging cycle PO and PF are numbered as PO/PF identifiers; the PO/PF identifier carried by the wake-up signal, or the PO/PF group identifier; is matched with the PO/PF identifier determined by the terminal, and the corresponding matching terminal is associated with the wake-up signal
- the second time unit monitors the PDCCH;
- the method of receiving the wake-up signal can be received periodically or at any time; in the case of receiving the wake-up signal periodically, the wake-up signal is received according to the wake-up cycle; optionally, the wake-up signal carries the PO/PF logo, or the PO In the case of the /PF group identifier, the wake-up period is shorter than the paging period.
- FIG. 23 shows a schematic diagram of a paging cycle and a wake-up cycle; the wake-up cycle 41 is shorter than the paging cycle 51, and the wake-up cycle 42 can be configured independently of the paging configuration.
- the method provided by this embodiment uses the WUR signal to transmit the wake-up signal when the WUR signal can be used; only the wake-up signal carries the PO/PF identifier of the terminal, or the PO/PF group identifier
- the dimension of the method for receiving the wake-up signal is expanded, and the energy consumption when the terminal performs data transmission is effectively reduced. It provides better power-saving performance for the terminal and improves the battery life of the terminal.
- Fig. 24 shows a flowchart of a method for sending a wake-up signal provided by an exemplary embodiment of the present application. This embodiment is described by taking the method applied to a network device as an example. The method includes:
- Step 710 Send a wake-up signal
- the wake-up signal carries the reception information of the PDCCH; the wake-up signal includes a WUR signal.
- the wake-up signal adopts the first transmission mode, that is, the transmission mode of the WUR signal is the first transmission mode, the PDCCH adopts the second transmission mode, and the receiver, waveform, and modulation mode used in the first transmission mode and the second transmission mode At least one of , coding and multiple access methods is different.
- the wake-up receiver in the terminal receives the wake-up signal, that is, uses the first transmission mode to receive the wake-up signal.
- the wake-up signal carries identification information;
- the identification information includes but is not limited to at least one of the following:
- PDCCH carries scheduling information and/or common control information of data transmission
- PDCCH carries scheduling information and/or public control information for data transmission
- PDCCH carries paging indication information.
- the UE identity of the terminal is obtained according to the C-RNTI of the terminal;
- the UE group identifier of the terminal is obtained according to the group RNTI of the terminal.
- the UE identity of the terminal is obtained from the S-TMSI of the terminal.
- the DRX group configuration identifier of the terminal is obtained according to the DRX configuration identifier of the terminal.
- the PO/PF group identifier of the terminal is obtained according to the PO/PF identifier.
- the above method also includes:
- the wake-up signal is received based on the wake-up receiver, and the PDCCH is received based on the main receiver.
- the wake-up receiver wakes up the main receiver after receiving the wake-up signal.
- the PDCCH is received in the state.
- the method provided by this embodiment uses the WUR signal to transmit the wake-up signal when the WUR signal can be used, which effectively reduces the energy consumption of the network device during data transmission. Provides better power saving performance for network devices.
- Fig. 25 shows a block diagram of a device for receiving a wake-up signal provided by an exemplary embodiment of the present application, and the device includes:
- a receiving module 810 configured to receive the wake-up signal, where the wake-up signal carries reception information of the PDCCH;
- the wake-up signal includes a wake-up radio WUR signal.
- the wake-up signal carries identification information.
- the device also includes:
- the monitoring module 820 is configured to monitor the PDCCH in a second time unit associated with the wake-up signal if the wake-up signal carries identification information of the terminal.
- the identification information includes at least one of the following:
- UE identity UE identity, or UE group identity
- PO/PF ID or PO/PF group ID.
- the terminal is in a connected state
- the UE identity of the terminal is obtained according to the C-RNTI of the terminal;
- the UE group identifier of the terminal is obtained according to the group RNTI of the terminal.
- the terminal is in an idle/inactive state
- the UE identity of the terminal is obtained according to the S-TMSI of the terminal.
- the DRX group configuration identifier of the terminal is obtained according to the DRX configuration identifier of the terminal.
- the PO/PF group identifier is obtained according to the PO/PF identifier.
- the receiving module 810 is also configured to:
- the wake-up signal is received according to a wake-up period, which is a time interval at which a time unit for receiving the wake-up signal occurs.
- the wake-up period is shorter than the DRX period.
- the wake-up period is shorter than the paging period.
- the second time unit associated with the wake-up signal is determined based on the first time unit where the wake-up signal is located and a time delay, and the time delay is used to describe the first time unit The time interval between the time unit and the second time unit.
- the time delay is predefined
- the delay is pre-configured by the network device
- the time delay is determined according to the search space of the PDCCH
- the time delay is determined according to the indication information of the wake-up signal.
- the delay is determined based on the latest On Duration after the first time unit of.
- the delay is based on the latest PO after the first time unit definite.
- Fig. 26 shows a block diagram of a device for sending a wake-up signal according to an exemplary embodiment of the present application, and the device includes:
- a sending module 830 configured to send the wake-up signal, where the wake-up signal carries reception information of the PDCCH;
- the wake-up signal includes a WUR signal.
- the wake-up signal carries identification information.
- the identification information includes at least one of the following:
- UE identity UE identity, or UE group identity
- PO/PF ID or PO/PF group ID.
- the terminal is in a connected state
- the UE identity of the terminal is obtained according to the C-RNTI of the terminal;
- the UE group identifier of the terminal is obtained according to the group RNTI of the terminal.
- the terminal is in an idle/inactive state
- the UE identity of the terminal is obtained according to the S-TMSI of the terminal.
- the DRX group configuration identifier of the terminal is obtained according to the DRX configuration identifier of the terminal.
- the PO/PF group identifier is obtained according to the PO/PF identifier.
- the device provided by the above embodiment realizes its functions, it only uses the division of the above-mentioned functional modules as an example for illustration. In practical applications, the above-mentioned function allocation can be completed by different functional modules according to actual needs. That is, the content structure of the device is divided into different functional modules to complete all or part of the functions described above.
- FIG. 27 shows a schematic structural diagram of a terminal provided by an embodiment of the present application.
- the terminal may include: a processor 2201 , a wake-up receiver 2202 , a main transceiver 2203 and a memory 2204 .
- the processor 2201 includes one or more processing cores, and the processor 2201 executes various functional applications by running software programs and modules.
- Wake-up receiver 2202 includes a zero power receiver, or, low power receiver.
- a low power receiver is a receiver that consumes less than a predetermined condition. Illustratively, the power consumption of the low power receiver is less than that of the traditional receiver in the transceiver 2203 .
- the wake-up receiver 2202 may also correspond to a wake-up transmitter, and the wake-up transmitter is independent from the wake-up receiver 2202, or integrated into the same wake-up transceiver.
- the main transceiver 2203 can be used for receiving and sending information, and the main transceiver 2203 can be a communication chip.
- the main transceiver 2203 can also be implemented separately as a conventional transmitter and receiver.
- the legacy receiver is the master receiver relative to the wake-up receiver 2202.
- the memory 2204 may be used to store a computer program, and the processor 2201 is used to execute the computer program, so as to implement various steps executed by the terminal in the above method embodiments.
- the wake-up receiver 2202 is configured to receive the wake-up signal, where the wake-up signal carries the reception information of the PDCCH; wherein the wake-up signal includes a wake-up radio WUR signal.
- the wake-up signal carries identification information.
- the main transceiver 2203 is configured to monitor the PDCCH in a second time unit associated with the wake-up signal when the wake-up signal carries the identification information of the terminal.
- the identification information includes at least one of the following:
- UE identity UE identity, or UE group identity
- PO/PF ID or PO/PF group ID.
- the terminal is in a connected state
- the UE identity of the terminal is obtained according to the C-RNTI of the terminal;
- the UE group identifier of the terminal is obtained according to the group RNTI of the terminal.
- the terminal is in an idle/inactive state
- the UE identity of the terminal is obtained according to the S-TMSI of the terminal.
- the DRX group configuration identifier of the terminal is obtained according to the DRX configuration identifier of the terminal.
- the PO/PF group identifier is obtained according to the PO/PF identifier.
- the wake-up receiver 2202 is further configured to receive the wake-up signal according to a wake-up cycle, where the wake-up cycle is a time interval at which a time unit for receiving the wake-up signal occurs.
- the wake-up period is shorter than the DRX period.
- the wake-up period is shorter than the paging period.
- the second time unit associated with the wake-up signal is determined based on the first time unit and the time delay where the wake-up signal is located, and the time delay is used to describe the first time unit and the time delay. The time interval between second time units.
- the delay is predefined
- the delay is pre-configured by the network device
- the delay is determined according to the search space of the PDCCH
- the time delay is determined according to the indication information of the wake-up signal.
- the delay is determined based on the latest On Duration after the first time unit.
- the time delay is determined based on the latest PO after the first time unit.
- the memory 2204 can be implemented by any type of volatile or non-volatile storage device or their combination, and the volatile or non-volatile storage device includes but not limited to: random access memory (Random-Access Memory, RAM) And read-only memory (Read-Only Memory, ROM), erasable programmable read-only memory (Erasable Programmable Read-Only Memory, EPROM), electrically erasable programmable read-only memory (Electrically Erasable Programmable Read-Only Memory, EEPROM), flash memory or other solid-state storage technologies, compact disc read-only memory (CD-ROM), high-density digital video disc (Digital Video Disc, DVD) or other optical storage, tape cartridges, tapes, disks storage or other magnetic storage devices.
- RAM Random-Access Memory
- ROM read-only memory
- EPROM erasable programmable read-only memory
- EPROM erasable programmable Read-Only Memory
- EEPROM Electrically erasable programmable read-only memory
- FIG. 28 shows a schematic structural diagram of a network device provided by an embodiment of the present application.
- the network device may include: a processor 2301 , a transceiver 2302 and a memory 2303 .
- the processor 2301 includes one or more processing cores, and the processor 2301 executes various functional applications by running software programs and modules.
- the transceiver 2302 can be used to receive and send information, and the transceiver 2302 can be a communication chip.
- the transceiver 2302 can also be implemented as a transmitter and a receiver separately.
- the memory 2303 may be used to store a computer program, and the processor 2301 is used to execute the computer program, so as to implement various steps performed by the network device in the foregoing method embodiments.
- the transceiver 2302 is configured to send the wake-up signal, where the wake-up signal carries the reception information of the PDCCH;
- the wake-up signal includes a WUR signal.
- the wake-up signal carries identification information.
- the identification information includes at least one of the following:
- UE identity UE identity, or UE group identity
- PO/PF ID or PO/PF group ID.
- the terminal is in a connected state
- the UE identity of the terminal is obtained according to the C-RNTI of the terminal;
- the UE group identifier of the terminal is obtained according to the group RNTI of the terminal.
- the terminal is in an idle/inactive state
- the UE identity of the terminal is obtained according to the S-TMSI of the terminal.
- the DRX group configuration identifier of the terminal is obtained according to the DRX configuration identifier of the terminal.
- the PO/PF group identifier is obtained according to the PO/PF identifier.
- the memory 2303 may be implemented by any type of volatile or non-volatile storage devices or a combination thereof.
- the embodiment of the present application also provides a computer-readable storage medium, where a computer program is stored in the storage medium, and the computer program is used to be executed by a processor to realize the above method for receiving the wake-up signal and/or the wake-up signal. sending method.
- the computer-readable storage medium may include: a read-only memory (Read-Only Memory, ROM), a random-access memory (Random-Access Memory, RAM), a solid-state hard drive (Solid State Drives, SSD) or an optical disc.
- the random access memory may include resistive random access memory (Resistance Random Access Memory, ReRAM) and dynamic random access memory (Dynamic Random Access Memory, DRAM).
- the embodiment of the present application also provides a chip, the chip includes a programmable logic circuit and/or program instructions, and when the chip is running, it is used to implement the method for receiving the wake-up signal and/or the method for sending the wake-up signal.
- the embodiment of the present application also provides a computer program product or computer program, the computer program product or computer program includes computer instructions, the computer instructions are stored in a computer-readable storage medium, and the processor reads from the computer-readable storage medium The medium reads and executes the computer instructions, so as to implement the method for receiving the wake-up signal and/or the method for sending the wake-up signal.
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Abstract
Description
Claims (49)
- 一种唤醒信号的接收方法,其特征在于,应用于终端中,所述方法包括:接收所述唤醒信号,所述唤醒信号携带PDCCH的接收信息;其中,所述唤醒信号包括唤醒无线电WUR信号。
- 根据权利要求1所述的方法,其特征在于,所述唤醒信号携带有标识信息。
- 根据权利要求2所述的方法,其特征在于,所述方法还包括:在所述唤醒信号携带有所述终端的标识信息的情况下,在所述唤醒信号关联的第二时间单元监听所述PDCCH。
- 根据权利要求2或3所述的方法,其特征在于,所述标识信息包括如下至少之一:UE标识,或UE组标识;DRX配置标识,或DRX组配置标识;PO/PF标识,或PO/PF组标识。
- 根据权利要求4所述的方法,其特征在于,所述终端处于连接态;所述终端的UE标识是根据所述终端的C-RNTI得到的;或,所述终端的UE组标识是根据所述终端的组RNTI得到的。
- 根据权利要求4所述的方法,其特征在于,所述终端处于空闲/非激活态;所述终端的UE标识是根据所述终端的S-TMSI得到的。
- 根据权利要求4所述的方法,其特征在于,所述终端的DRX组配置标识是根据所述终端的DRX配置标识得到的。
- 根据权利要求4所述的方法,其特征在于,所述PO/PF组标识是根据所述PO/PF标识得到的。
- 根据权利要求1至3任一所述的方法,其特征在于,所述接收所述唤醒信号,包括:根据唤醒周期接收所述唤醒信号,所述唤醒周期为用于接收唤醒信号的时间单元出现的时间间隔。
- 根据权利要求9所述的方法,其特征在于,在所述唤醒信号携带有DRX配置标识,或DRX组配置标识的情况下,所述唤醒周期小于DRX周期。
- 根据权利要求9所述的方法,其特征在于,在所述唤醒信号携带有PO/PF标识,或PO/PF组标识的情况下,所述唤醒周期小于寻呼周期。
- 根据权利要求3所述的方法,其特征在于,所述唤醒信号关联的第二时间单元是基于所述唤醒信号所在的第一时间单元和时延确定的,所述时延用于描述所述第一时间单元和所述第二时间单元之间的时间间隔。
- 根据权利要求12所述的方法,其特征在于,所述时延是预定义的;或,所述时延是网络设备预配置的;或,所述时延是根据所述PDCCH的搜索空间确定的;或,所述时延是根据所述唤醒信号的指示信息确定的。
- 根据权利要求12所述的方法,其特征在于,在所述唤醒信号携带有DRX配置标识,或DRX组配置标识的情况下,所述时延是基于所述第一时间单元后的最近一个On Duration确定的。
- 根据权利要求12所述的方法,其特征在于,在所述唤醒信号携带有PO/PF标识,或PO/PF组标识的情况下,所述时延是基于所述第一时间单元后的最近一个PO确定的。
- 一种唤醒信号的发送方法,其特征在于,应用于网络设备中,所述方法包括:发送所述唤醒信号,所述唤醒信号携带PDCCH的接收信息;其中,所述唤醒信号包括WUR信号。
- 根据权利要求16所述的方法,其特征在于,所述唤醒信号携带有标识信息。
- 根据权利要求17所述的方法,其特征在于,所述标识信息包括如下至少之一:UE标识,或UE组标识;DRX配置标识,或DRX组配置标识;PO/PF标识,或PO/PF组标识。
- 根据权利要求18所述的方法,其特征在于,终端处于连接态;所述终端的UE标识是根据所述终端的C-RNTI得到的;或,所述终端的UE组标识是根据所述终端的组RNTI得到的。
- 根据权利要求18所述的方法,其特征在于,终端处于空闲/非激活态;所述终端的UE标识是根据所述终端的S-TMSI得到的。
- 根据权利要求18所述的方法,其特征在于,终端的DRX组配置标识是根据所述终端的DRX配置标识得到的。
- 根据权利要求18所述的方法,其特征在于,所述PO/PF组标识是根据所述PO/PF标识得到的。
- 一种唤醒信号的接收装置,其特征在于,应用于终端中,所述装置包括:接收模块,用于接收所述唤醒信号,所述唤醒信号携带PDCCH的接收信息;其中,所述唤醒信号包括唤醒无线电WUR信号。
- 根据权利要求23所述的装置,其特征在于,所述唤醒信号携带有标识信息。
- 根据权利要求24所述的装置,其特征在于,所述装置还包括:监听模块,用于在所述唤醒信号携带有所述终端的标识信息的情况下,在所述唤醒信号关联的第二时间单元监听所述PDCCH。
- 根据权利要求24或25所述的装置,其特征在于,所述标识信息包括如下至少之一:UE标识,或UE组标识;DRX配置标识,或DRX组配置标识;PO/PF标识,或PO/PF组标识。
- 根据权利要求26所述的装置,其特征在于,所述终端处于连接态;所述终端的UE标识是根据所述终端的C-RNTI得到的;或,所述终端的UE组标识是根据所述终端的组RNTI得到的。
- 根据权利要求26所述的装置,其特征在于,所述终端处于空闲/非激活态;所述终端的UE标识是根据所述终端的S-TMSI得到的。
- 根据权利要求26所述的装置,其特征在于,所述终端的DRX组配置标识是根据所述终端的DRX配置标识得到的。
- 根据权利要求26所述的装置,其特征在于,所述PO/PF组标识是根据所述PO/PF标识得到的。
- 根据权利要求23至25任一所述的装置,其特征在于,所述接收模块,还用于:根据唤醒周期接收所述唤醒信号,所述唤醒周期为用于接收唤醒信号的时间单元出现的时间间隔。
- 根据权利要求31所述的装置,其特征在于,在所述唤醒信号携带有DRX配置标识,或DRX组配置标识的情况下,所述唤醒周期小于DRX周期。
- 根据权利要求31所述的装置,其特征在于,在所述唤醒信号携带有PO/PF标识,或PO/PF组标识的情况下,所述唤醒周期小于寻呼周期。
- 根据权利要求25所述的装置,其特征在于,所述唤醒信号关联的第二时间单元是基于所述唤醒信号所在的第一时间单元和时延确定的,所述时延用于描述所述第一时间单元和所述第二时间单元之间的时间间隔。
- 根据权利要求34所述的装置,其特征在于,所述时延是预定义的;或,所述时延是网络设备预配置的;或,所述时延是根据所述PDCCH的搜索空间确定的;或,所述时延是根据所述唤醒信号的指示信息确定的。
- 根据权利要求34所述的装置,其特征在于,在所述唤醒信号携带有DRX配置标识,或DRX组配置标识的情况下,所述时延是基于所述第一时间单元后的最近一个On Duration确定的。
- 根据权利要求34所述的装置,其特征在于,在所述唤醒信号携带有PO/PF标识,或PO/PF组标识的情况下,所述时延是基于所述第一时间单元后的最近一个PO确定的。
- 一种唤醒信号的发送装置,其特征在于,应用于网络设备中,所述装置包括:发送模块,用于发送所述唤醒信号,所述唤醒信号携带PDCCH的接收信息;其中,所述唤醒信号包括WUR信号。
- 根据权利要求38所述的装置,其特征在于,所述唤醒信号携带有标识信息。
- 根据权利要求39所述的装置,其特征在于,所述标识信息包括如下至少之一:UE标识,或UE组标识;DRX配置标识,或DRX组配置标识;PO/PF标识,或PO/PF组标识。
- 根据权利要求40所述的装置,其特征在于,终端处于连接态;所述终端的UE标识是根据所述终端的C-RNTI得到的;或,所述终端的UE组标识是根据所述终端的组RNTI得到的。
- 根据权利要求40所述的装置,其特征在于,终端处于空闲/非激活态;所述终端的UE标识是根据所述终端的S-TMSI得到的。
- 根据权利要求40所述的装置,其特征在于,终端的DRX组配置标识是根据所述终端的DRX配置标识得到的。
- 根据权利要求40所述的装置,其特征在于,所述PO/PF组标识是根据所述PO/PF标识得到的。
- 一种终端,其特征在于,所述终端包括唤醒接收机;所述唤醒接收机,用于接收所述唤醒信号,所述唤醒信号携带PDCCH的接收信息;其中,所述唤醒信号包括WUR信号。
- 一种网络设备,其特征在于,所述网络设备包括收发器;所述收发器,用于发送所述唤醒信号,所述唤醒信号携带PDCCH的接收信息;其中,所述唤醒信号包括WUR信号。
- 一种计算机可读存储介质,其特征在于,所述存储介质中存储有计算机程序,所述计算机程序用于被处理器执行,以实现如权利要求1至15任一所述的唤醒信号的接收方法,或如权利要求16至22任一所述的唤醒信号的发送方法。
- 一种芯片,其特征在于,所述芯片包括可编程逻辑电路和/或程序指令,当所述芯片运行时,以实现如权利要求1至15任一所述的唤醒信号的接收方法,或如权利要求16至22任一所述的唤醒信号的发送方法。
- 一种计算机程序产品或计算机程序,其特征在于,所述计算机程序产品或计算机程序包括计算机指令,所述计算机指令存储在计算机可读存储介质中,处理器从所述计算机可读存储介质读取并执行所述计算机指令,以实现如权利要求1至15任一所述的唤醒信号的接收方法,或如权利要求16至22任一所述的唤醒信号的发送方法。
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| PCT/CN2021/143907 WO2023123444A1 (zh) | 2021-12-31 | 2021-12-31 | 唤醒信号的接收方法、发送方法、装置、设备及存储介质 |
| CN202180105052.3A CN118383058A (zh) | 2021-12-31 | 2021-12-31 | 唤醒信号的接收方法、发送方法、装置、设备及存储介质 |
| EP21969789.3A EP4460107A4 (en) | 2021-12-31 | 2021-12-31 | METHOD AND APPARATUS FOR RECEIVING WAKE-UP SIGNAL, METHOD AND APPARATUS FOR SENDING WAKE-UP SIGNAL, AND DEVICE AND STORAGE MEDIUM |
| US18/758,309 US20240357500A1 (en) | 2021-12-31 | 2024-06-28 | Method for receiving wake-up signals, and terminal, network device and chip |
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| PCT/CN2021/143907 WO2023123444A1 (zh) | 2021-12-31 | 2021-12-31 | 唤醒信号的接收方法、发送方法、装置、设备及存储介质 |
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| US18/758,309 Continuation US20240357500A1 (en) | 2021-12-31 | 2024-06-28 | Method for receiving wake-up signals, and terminal, network device and chip |
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| WO2025148001A1 (zh) * | 2024-01-12 | 2025-07-17 | Oppo广东移动通信有限公司 | 设备唤醒方法、装置、设备、存储介质及芯片 |
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- 2021-12-31 EP EP21969789.3A patent/EP4460107A4/en active Pending
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2024
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| WO2025035306A1 (zh) * | 2023-08-11 | 2025-02-20 | Oppo广东移动通信有限公司 | 唤醒方法、装置、设备及存储介质 |
| WO2025148001A1 (zh) * | 2024-01-12 | 2025-07-17 | Oppo广东移动通信有限公司 | 设备唤醒方法、装置、设备、存储介质及芯片 |
| WO2025212253A1 (en) * | 2024-04-02 | 2025-10-09 | Qualcomm Incorporated | Low power wake up signal |
Also Published As
| Publication number | Publication date |
|---|---|
| US20240357500A1 (en) | 2024-10-24 |
| EP4460107A1 (en) | 2024-11-06 |
| EP4460107A4 (en) | 2025-09-24 |
| CN118383058A (zh) | 2024-07-23 |
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