WO2024065329A1 - 信息处理方法和装置 - Google Patents
信息处理方法和装置 Download PDFInfo
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- WO2024065329A1 WO2024065329A1 PCT/CN2022/122317 CN2022122317W WO2024065329A1 WO 2024065329 A1 WO2024065329 A1 WO 2024065329A1 CN 2022122317 W CN2022122317 W CN 2022122317W WO 2024065329 A1 WO2024065329 A1 WO 2024065329A1
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT the frequencies being arranged in component carriers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
- H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
- H04L9/0662—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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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
- 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
- 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
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
- H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
- H04W52/028—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof switching on or off only a part of the equipment circuit blocks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
- H04W72/231—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the layers above the physical layer, e.g. RRC or MAC-CE signalling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
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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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- 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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- 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 field of communication technologies.
- NR New Radio
- NR New Radio
- FR2 frequency range 2 operating frequency of NR (>6GHz) is higher. The higher the frequency, the greater the path loss of the signal. Therefore, the design principle of NR is to use narrower beams to transmit signals farther.
- each RF channel is equipped with a power amplifier (PA).
- PA power amplifier
- the energy consumption of PA will account for about 80% of the energy consumption of the entire base station.
- the current FR1 (frequency range 1) band AAU active antenna unit
- the current FR1 (frequency range 1) band AAU generally uses 192 antenna units and supports 64 channels, which is much larger than the maximum number of 8 channels in LTE.
- the average energy consumption of an NR base station is more than three times that of an LTE base station. Nearly 50% of the cost of deploying 5G (fifth generation) networks by operators is electricity costs. More importantly, even when there is no business, the energy consumption of NR base stations is still very high, because even when there is no business, the base station still needs to send public signals, such as SSB (synchronization signal block), SIB1 (1st system information block) and SI (system information), which greatly reduces the energy efficiency of NR base stations. Energy saving in NR networks is an urgent problem to be solved.
- the secondary cell (SCell) of the terminal device may not send the synchronization signal block (SSB), and the terminal device obtains the downlink synchronization of the SCell through the SSB sent by the special cell (SpCell).
- the terminal device obtains the downlink synchronization of the SCell through the SSB sent by the special cell (SpCell).
- the terminal device obtains the downlink synchronization of the SCell through the SSB sent by the special cell (SpCell).
- the terminal device obtains the downlink synchronization of the SCell through the SSB sent by the special cell (SpCell).
- SpCell special cell
- at least one cell sends SSB, and only the cell that sends SSB can be used as the SpCell of the terminal device.
- the network can dynamically activate and deactivate the SpCell of the UE according to the traffic volume of the NR cell and its neighboring cells, UE measurement reports and other information.
- the SSB, SIB1 and SI of the cell are stopped from being sent, and the uplink signal sent by the UE is stopped from being received. In this way, the energy consumption of the SpCell can be saved when the traffic volume is low.
- Figure 1 is a schematic diagram of the network energy-saving solution.
- the base station switches the UE to the adjacent cell and informs the adjacent NR base station or LTE base station that the NR cell has entered the energy-saving state.
- the adjacent NR base station or LTE base station will assume the coverage area and traffic volume of the NR cell.
- the adjacent NR base station or LTE base station will determine whether to request the NR cell that has entered the energy-saving state to resume normal operation based on its own traffic volume, UE measurement report and other information. For example, when its own traffic volume reaches a certain threshold, it triggers the request to enter the energy-saving state.
- the NR cell resumes normal operation. When the NR cell resumes normal operation, some UEs that previously switched to the adjacent NR base station or LTE base station may switch back to the NR cell.
- the NR cell dynamically enters the energy-saving state multiple times, the UE will frequently switch out of the NR cell or frequently reselect the cell, which will affect the user experience.
- the migration of UEs in the energy-saving state cell to the adjacent cell is bound to increase the load level of the adjacent cell, affecting the service quality of the UEs in the adjacent cell.
- an embodiment of the present application provides an information processing method and device.
- an information processing apparatus applied to a terminal device, the apparatus comprising:
- a receiving unit configured to receive indication information for indicating a first state and a second state of a cell related to downlink transmission
- a processing unit which receives information from the cell according to the indication information
- the cell is a cell where the terminal device resides, or a cell to which the terminal device is connected.
- an information processing method the method being applied to a terminal device, the method comprising:
- the cell is a cell where the terminal device resides, or a cell to which the terminal device is connected.
- an information processing apparatus applied to a network device, the apparatus comprising:
- a sending unit which sends indication information for indicating a first state and a second state of a cell related to downlink transmission to a terminal device, so that the terminal device receives information from the cell according to the indication information
- the cell is a cell where the terminal device resides, or a cell to which the terminal device is connected.
- the terminal device can receive indication information of the first state and the second state related to downlink transmission for indicating the cell to which the terminal device is connected or resides, and receive information from the cell according to the indication information.
- the cell can switch between different states related to downlink transmission, thereby saving the energy consumption overhead of the network device; the terminal device connected to or residing in the cell can receive information from the cell according to the indication information for indicating the first state and the second state of the cell, thereby, when the cell switches between the first state and the second state, the terminal device does not have to switch to other cells, and the terminal device originally residing in the cell does not have to reselect the cell, which can avoid the migration of the terminal device in the energy-saving state cell to the adjacent cell to cause service interruption and increase the load level of the adjacent cell, and ensure that the user experience is not reduced when the cell enters the energy-saving state.
- Figure 1 is a schematic diagram of a network energy-saving solution
- FIG2 is a schematic diagram of a communication system according to an embodiment of the present application.
- FIG3 is a schematic diagram of an information processing method according to an embodiment of the present application.
- FIG4 is a schematic diagram of a switching moment between a first state and a second state according to an embodiment of the present application
- FIG. 5 is a schematic diagram of the timing of switching between the non-energy-saving state, the first energy-saving state, and the second energy-saving state according to an embodiment of the present application;
- FIG6 is a schematic diagram of starting or stopping the first timer and the second timer according to an embodiment of the present application.
- FIG7 is a schematic diagram of HARQ initial transmission and retransmission data reception timing according to an embodiment of the present application.
- FIG8 is a schematic diagram of an information processing method according to an embodiment of the present application.
- FIG9 is a schematic diagram of an information processing device according to an embodiment of the present application.
- FIG10 is a schematic diagram of an information processing device according to an embodiment of the present application.
- FIG11 is a schematic diagram of a terminal device according to an embodiment of the present application.
- FIG. 12 is a schematic diagram of a network device according to an embodiment of the present application.
- the terms “first”, “second”, etc. are used to distinguish different elements from the title, but do not indicate the spatial arrangement or time order of these elements, etc., and these elements should not be limited by these terms.
- the term “and/or” includes any one and all combinations of one or more of the associated listed terms.
- the terms “comprising”, “including”, “having”, etc. refer to the existence of the stated features, elements, components or components, but do not exclude the existence or addition of one or more other features, elements, components or components.
- the term “communication network” or “wireless communication network” may refer to a network that complies with any of the following communication standards, such as Long Term Evolution (LTE), enhanced Long Term Evolution (LTE-A), Wideband Code Division Multiple Access (WCDMA), High-Speed Packet Access (HSPA), etc.
- LTE Long Term Evolution
- LTE-A enhanced Long Term Evolution
- WCDMA Wideband Code Division Multiple Access
- HSPA High-Speed Packet Access
- communication between devices in the communication system may be carried out according to communication protocols of any stage, such as but not limited to the following communication protocols: 1G (generation), 2G, 2.5G, 2.75G, 3G, 4G, 4.5G and 5G, New Radio (NR), etc., and/or other communication protocols currently known or to be developed in the future.
- 1G generation
- 2G 2.5G
- 2.75G 3G
- 4G 4G
- 4.5G and 5G
- NR New Radio
- the term "network device” refers to, for example, a device in a communication system that connects a terminal device to a communication network and provides services for the terminal device.
- the network device may include, but is not limited to, the following devices: base station (BS), access point (AP), transmission reception point (TRP), broadcast transmitter, mobile management entity (MME), gateway, server, radio network controller (RNC), base station controller (BSC), etc.
- Base stations may include but are not limited to: Node B (NodeB or NB), evolved Node B (eNodeB or eNB) and 5G base station (gNB), etc., and may also include remote radio heads (RRH, Remote Radio Head), remote radio units (RRU, Remote Radio Unit), relays or low-power nodes (such as femeto, pico, etc.), IAB (Integrated Access and Backhaul) nodes or IAB-DU or IAB-donor.
- RRH Remote Radio Head
- RRU Remote Radio Unit
- relays or low-power nodes such as femeto, pico, etc.
- IAB Integrated Access and Backhaul
- base station may include some or all of their functions, and each base station may provide communication coverage for a specific geographical area.
- the term “cell” may refer to a base station and/or its coverage area, depending on the context in which the term is used. The terms “cell” and “base station” may be interchangeable without causing confusion.
- the term "user equipment” (UE) or “terminal equipment” (TE) refers to, for example, a device that accesses a communication network through a network device and receives network services.
- the terminal device may be fixed or mobile, and may also be referred to as a mobile station (MS), a terminal, a subscriber station (SS), an access terminal (AT), an IAB-MT, a station, and the like.
- Terminal devices may include but are not limited to the following devices: cellular phones, personal digital assistants (PDA, Personal Digital Assistant), wireless modems, wireless communication devices, handheld devices, machine-type communication devices, laptop computers, cordless phones, smart phones, smart watches, digital cameras, etc.
- PDA personal digital assistants
- wireless modems wireless communication devices
- handheld devices machine-type communication devices
- laptop computers cordless phones
- smart phones smart watches, digital cameras, etc.
- the terminal device can also be a machine or device for monitoring or measuring, such as but not limited to: machine type communication (MTC) terminal, vehicle-mounted communication terminal, device-to-device (D2D) terminal, machine-to-machine (M2M) terminal, and the like.
- MTC machine type communication
- D2D device-to-device
- M2M machine-to-machine
- network side refers to one side of the network, which may be a base station, or may include one or more network devices as above.
- user side or “terminal side” or “terminal device side” refers to one side of the user or terminal, which may be a UE, or may include one or more terminal devices as above.
- device may refer to either a network device or a terminal device.
- uplink control signal and “uplink control information (UCI)” or “physical uplink control channel (PUCCH)” are interchangeable, and the terms “uplink data signal” and “uplink data information” or “physical uplink shared channel (PUSCH)” are interchangeable if no confusion is caused;
- downlink control signal and “downlink control information (DCI)” or “physical downlink control channel (PDCCH)” are interchangeable, and the terms “downlink data signal” and “downlink data information” or “physical downlink shared channel (PDSCH)” are interchangeable.
- DCI downlink control information
- PDCCH physical downlink control channel
- sending or receiving PUSCH can be understood as sending or receiving uplink data carried by PUSCH
- sending or receiving PUCCH can be understood as sending or receiving uplink information carried by PUCCH
- sending or receiving PRACH can be understood as sending or receiving preamble carried by PRACH
- uplink signals can include uplink data signals and/or uplink control signals, etc., and can also be called uplink transmission (UL transmission) or uplink information or uplink channel.
- Sending uplink transmission on uplink resources can be understood as sending the uplink transmission using the uplink resources.
- downlink data/signal/channel/information can be understood accordingly.
- the high-level signaling may be, for example, a radio resource control (RRC) signaling; for example, an RRC message (RRC message), including, for example, MIB, system information (system information), a dedicated RRC message; or an RRC IE (RRC information element).
- RRC radio resource control
- the high-level signaling may also be, for example, a MAC (Medium Access Control) signaling; or a MAC CE (MAC control element).
- RRC radio resource control
- FIG2 is a schematic diagram of a communication system according to an embodiment of the present application, schematically illustrating a situation taking a terminal device and a network device as an example.
- a communication system 200 may include a network device 201 and terminal devices 202 and 203.
- FIG2 only illustrates two terminal devices and one network device as an example, but the embodiment of the present application is not limited thereto.
- existing services or future services can be sent between the network device 201 and the terminal devices 202 and 203.
- these services may include but are not limited to: enhanced mobile broadband (eMBB), massive machine type communication (mMTC), and ultra-reliable and low-latency communication (URLLC), etc.
- eMBB enhanced mobile broadband
- mMTC massive machine type communication
- URLLC ultra-reliable and low-latency communication
- the terminal device 202 may send data to the network device 201, for example, using an authorized or unauthorized transmission mode.
- the network device 201 may receive data sent by one or more terminal devices 202, and feedback information to the terminal device 202, such as confirmation ACK/non-confirmation NACK information, etc.
- the terminal device 202 may confirm the end of the transmission process, or may perform new data transmission, or may retransmit the data according to the feedback information.
- FIG2 shows that both terminal devices 202 and 203 are within the coverage of the network device 201, but the present application is not limited thereto. Both terminal devices 202 and 203 may not be within the coverage of the network device 201, or one terminal device 202 is within the coverage of the network device 201 and the other terminal device 203 is outside the coverage of the network device 201.
- An embodiment of the present application provides an information processing method, which is described from the terminal equipment (UE) side.
- FIG3 is a schematic diagram of an information processing method according to an embodiment of the present application, which is applied to a terminal device. As shown in FIG3 , the method includes:
- the cell is the cell where the terminal device resides, or the cell to which the terminal device is connected.
- FIG. 3 only schematically illustrates the embodiment of the present application, but the present application is not limited thereto.
- other operations may be added or some operations may be reduced.
- Those skilled in the art may make appropriate modifications based on the above content, and are not limited to the description of the above FIG. 3.
- the downlink signal sent when the cell is in the first state may be less than the downlink signal sent when the cell is in the second state.
- the first state of a cell of a network device may be referred to as a transmission state (TX active), and the second state may be referred to as a non-transmission state (TX inactive). Switching of a cell between the first state and the second state may be referred to as discontinuous transmission (DTX, Discontinuous Transmission) of the cell.
- TX active transmission state
- TX inactive non-transmission state
- DTX discontinuous transmission
- the first state of the cell may include a first energy-saving state
- the second state may include a non-energy-saving state and/or a second energy-saving state.
- the first state of the cell may include a first energy-saving state and/or a second energy-saving state
- the second state may include a non-energy-saving state.
- the downlink signal sent when the cell is in the first energy-saving state may be less than the downlink signal sent when the cell is in the second energy-saving state.
- a cell may have multiple energy saving modes, and a network device may enable the cell to enter different energy saving (ES) states.
- the energy saving state of a cell may include at least one of the following: a time domain energy saving state, a frequency domain energy saving state, a spatial domain energy saving state, and a power domain energy saving state.
- a cell may be in one of the above energy saving states, or may be in more than one of the above energy saving states at the same time, for example, in both the time domain and spatial domain energy saving states.
- the cell during the operation of the cell, can be switched between different energy-saving states.
- the switching between different energy-saving states can be achieved by switching the configuration parameters of the cell or BWP (bandwidth part), that is, if the configuration parameters of the cell or BWP are switched to the configuration parameters supporting the corresponding energy-saving state, the cell or BWP is switched to the energy-saving state.
- the time domain energy saving state may include at least one of the following:
- --Send common signals with an extended transmission period for example, extend the transmission period of SSB (synchronization signal block), SIBs (system information block) and/or paging. For example, make the transmission period of SSB/SIBs longer than the transmission period of SSB/SIBs in normal service state (non-energy saving state). In normal service state, the maximum transmission period of SSB is 160ms. In time domain energy saving state, the transmission period of SSB can be longer than 160ms.
- SSB synchronization signal block
- SIBs system information block
- the simplified common signal may include: a synchronization signal block (SSB) that does not include a master information block (MIB) or a physical broadcast channel (PBCH).
- SSB synchronization signal block
- MIB master information block
- PBCH physical broadcast channel
- the transmitted SSB only includes a synchronization reference signal (SS); or, a discovery reference signal (DRS) that includes a synchronization reference signal (SS).
- DRS discovery reference signal
- --Stop or reduce receiving signals for example, stop receiving semi-statically configured uplink signals, including physical random access channel (PRACH), configuration grant (CG), physical uplink shared channel (PUSCH), SRS, scheduling request (SR), periodic channel state information (CSI) report or physical uplink control channel (PUCCH); or stop receiving dynamically scheduled uplink signals, including PUSCH scheduled by downlink control information (DCI), hybrid automatic repeat request (HARQ) feedback of physical downlink shared channel (PDSCH) or non-periodic CSI report.
- PRACH physical random access channel
- CG configuration grant
- PUSCH physical uplink shared channel
- SRS scheduling request
- SR scheduling request
- CSI periodic channel state information
- PUCCH physical uplink control channel
- DCI downlink control information
- HARQ hybrid automatic repeat request
- the cell can be in the energy-saving state in transmission or reception, or the cell can be in the energy-saving state in both transmission and reception.
- the cell can send downlink signals normally when the reception of signals is stopped or reduced; or the cell can stop or reduce the transmission of downlink signals when the reception of signals is stopped or reduced; or the cell can receive signals normally when the transmission of downlink signals is stopped or reduced, and so on.
- the time domain energy-saving state can be further divided into a first time domain energy-saving state and a second time domain energy-saving state.
- the first time domain energy-saving state may include at least one of the following: stop sending common signals, stop sending common signals and UE-specific signals.
- the first time domain energy-saving state does not specifically limit the received signal, that is, in the first time domain energy-saving state, the uplink signal can be received normally, stopped, or reduced.
- the second time domain energy-saving state may include at least one of the following: sending a common signal with an extended sending period, sending a simplified common signal, and sending a downlink signal normally and stopping or reducing the reception of an uplink signal.
- sending a common signal with an extended sending period or sending a simplified common signal no specific limitation is made on the reception signal, that is, when sending a common signal with an extended sending period or sending a simplified common signal, the reception of the uplink signal may be normal, stopped, or reduced.
- the frequency domain energy saving state may include: reducing the service bandwidth, for example, reducing the uplink and downlink bandwidths of the initial BWP and the dedicated BWP.
- the airspace energy saving state may include at least one of the following:
- TxRU radio transceiver units
- CSI-RS channel state information reference signal
- TRPs transmit receive points
- the power domain energy saving state may include at least one of the following:
- the first energy-saving state may include: a first time-domain energy-saving state, or a combination of the first time-domain energy-saving state and at least one of a frequency-domain energy-saving state, a space-domain energy-saving state, and a power-domain energy-saving state.
- the second energy-saving state may include at least one or a combination of a second time-domain energy-saving state, a frequency-domain energy-saving state, a space-domain energy-saving state, and a power-domain energy-saving state.
- the cell stops sending common signals or stops sending common signals and dedicated signals in the first state, and the cell sends signals normally in the second state or at least reduces sending common signals in the time domain.
- DTX discontinuous transmission
- the cell stops sending common signals or stops sending common signals and dedicated signals in a non-transmitting state (first state), and the cell sends signals normally in a transmitting state (second state) or at least reduces sending common signals in the time domain.
- the cell stops sending common signals or stops sending common signals and dedicated signals in the first state, or at least reduces sending common signals in the time domain, and the cell sends signals normally in the second state.
- DTX discontinuous transmission
- the cell stops sending common signals or stops sending common signals and dedicated signals in a non-transmitting state (first state), or at least reduces the sending of common signals in the time domain, and the cell sends signals normally in a transmitting state (second state).
- the indication information may include various information capable of indicating the first state and the second state of the cell, and the indication information may be configured or indicated in various ways.
- the indication information is exemplarily described below.
- the discontinuous transmission (DTX) of the cell may be semi-statically configured.
- the indication information may include configuration information of a first timer, wherein during the operation of the first timer, the cell is in the second state.
- the present application is not limited thereto, and during the operation of the first timer, the cell may also be in the first state. The following description is made by taking the case where the cell is in the second state during the operation of the first timer as an example.
- the configuration information of the first timer may include at least one of the following: an on-duration of the first timer, a start time offset of the first timer, and a start period of the first timer.
- FIG4 is a schematic diagram of the moment of switching between the first state and the second state of an embodiment of the present application.
- the on-duration of the first timer and the start-up period of the first timer may be indicated in the indication information.
- the cell is in the second state, and at other times, the cell is in the first state.
- the UE can determine the moment when the cell is in the first state and the second state according to the indication information.
- the start-up time offset of the first timer may also be included in the indication information, thereby improving the configuration flexibility of the first timer.
- the indication information including the configuration information of the first timer can be sent by adding an information unit about configuring discontinuous transmission (DTX) in the system broadcast message.
- DTX discontinuous transmission
- the present application is not limited thereto, and the indication information can also be sent in other ways.
- the indication information may also include at least one of the following items, and the UE determines the configuration information of the first timer according to the indication information:
- Fig. 5 is a schematic diagram of the switching time of the non-energy-saving state, the first energy-saving state and the second energy-saving state in an embodiment of the present application.
- the time length, cycle and offset in the cycle of the second energy-saving state and the non-energy-saving state can be included in the indication information.
- the cycle of the first energy-saving state is the same as the cycle of the non-energy-saving state and the cycle of the second energy-saving state
- the sum of the time lengths of the second energy-saving state and the non-energy-saving state can be used as the running time length of the first timer
- the cycle of the second energy-saving state can be used as the start cycle of the first timer
- the offset of the second energy-saving state and/or the non-energy-saving state in the cycle can be used as the start time offset of the first timer.
- discontinuous transmission (DTX) of a cell may be dynamically indicated.
- the indication information may include at least one of the following: first information for indicating that the cell switches between a first state and a second state; and second information for indicating that the cell switches between a non-energy-saving state and at least one energy-saving state.
- the network device can dynamically indicate through a public signal the UE connected to the cell or the UE residing in the cell: the cell has switched to the first state (TX inactive) or switched to the second state (TX active), so that the UE knows the moment when the cell stops or reduces downlink transmission and the moment when it sends downlink normally.
- the first information may be sent via a common signal of layer 1 (layer 1, L1) or layer 2 (layer 2, L2).
- the common signal of L1 or L2 may be a common signal of L1 or L2 specifically used to indicate that a cell switches between a first state and a second state.
- the present application is not limited thereto, and the first information may also be sent via other means.
- the first information may include information indicating that the cell enters the first state and information indicating that the cell enters the second state; or, information indicating that the cell leaves the first state and information indicating that the cell leaves the second state.
- the first information may include information directly indicating the switching between the first state and the second state of the cell.
- the first information may also include information for indicating that the cell switches between a BWP supporting the first state and a BWP supporting the second state. For example, when the first information indicates that the UE switches to the BWP supporting the first state of the cell, the UE may consider that the cell is in the first state, and when the first information indicates that the UE switches to the BWP supporting the second state of the cell, the UE may consider that the cell is in the second state.
- the network device when the indication information includes the second information, can dynamically indicate, through a common signal, to a UE connected to the cell or a UE residing in the cell that the cell is switched between different energy-saving states. That is, the energy-saving state switching indication (second information) of the cell can be used as indication information of the first state and the second state of the cell. Thus, there is no need to add an information unit specifically indicating the switching between the first state and the second state.
- the energy-saving state switching indication may include information for indicating that the cell is in a time domain energy-saving state, a frequency domain energy-saving state, a power domain energy-saving state, and a space domain energy-saving state, or a combination of more than one.
- the energy-saving state switching indication (second information) may be used to switch the configuration parameters of the terminal device to configuration parameters supporting a time domain energy-saving state, a frequency domain energy-saving state, a power domain energy-saving state, and a space domain energy-saving state, or a combination of more than one.
- the energy-saving state switching indication instructs the cell to switch to an energy-saving state that at least includes stopping or reducing the sending of downlink signals (for example, stopping sending common signals, stopping sending common signals and UE-dedicated signals, or sending simplified common signals, and sending common signals with an extended sending period)
- the cell is in the first state
- the energy-saving state switching indication instructs the cell to switch to a normal or energy-saving state with reduced sending of downlink signals
- the cell is in the second state.
- the energy-saving state switching indication may be a switching indication for a time-domain energy-saving state, a frequency-domain energy-saving state, a power-domain energy-saving state, or a space-domain energy-saving state, respectively.
- the energy-saving state switching indication is used to switch the cell or BWP configuration to a configuration parameter supporting a time-domain energy-saving state, a frequency-domain energy-saving state, a power-domain energy-saving state, or a space-domain energy-saving state.
- the energy-saving state switching indication may also be a switching indication for the time domain energy-saving state, the frequency domain energy-saving state, the power domain energy-saving state or the space domain energy-saving state at the same time.
- the energy-saving state switching indication is used to switch the configuration of the cell or BWP to support more than one configuration parameter of the time domain energy-saving state, the frequency domain energy-saving state, the power domain energy-saving state or the space domain energy-saving state at the same time.
- the energy-saving state switching indication may include information directly indicating the energy-saving state switching of the cell.
- the second information may also include information for indicating that the cell switches between a non-energy-saving BWP and at least one BWP supporting an energy-saving state.
- the second information may be sent via a common signal of L1 or L2.
- the present application is not limited thereto, and the second information may also be sent via other means.
- the common signal of L1 for sending the first information and/or the second information may include a physical downlink control channel (PDCCH) scrambled by a network energy saving identifier (NES-RNTI), and the common signal of L2 for sending the first information and/or the second information includes a MAC control unit (CE) scheduled by the PDCCH scrambled by the NES-RNTI, wherein the NES-RNTI may be broadcasted by the system to the terminal device.
- PDCCH physical downlink control channel
- NES-RNTI network energy saving identifier
- CE MAC control unit
- the present application is not limited to this, and the common signal of L1 or L2 may also be a common signal in other forms.
- discontinuous transmission may also be dynamically indicated in other ways.
- the indication information may include configuration information of a second timer, and the configuration information of the second timer may include the running time length of the second timer, wherein the cell is in the second state during the running of the second timer.
- the present application is not limited thereto, and during the running of the second timer, the cell may also be in the first state. The following is an example of the cell being in the second state during the running of the second timer.
- the terminal device and the network device can maintain the second timer at the same time.
- the second timer is started or restarted, and during the operation of the second timer, the cell is switched to the second state; when the second preset condition is met, the second timer is stopped, and when the second timer times out or stops, the cell is switched to the first state.
- the first preset condition for starting or restarting the second timer may include at least one of the following: a public signal received from a cell, or a dedicated signal of a terminal device received from a cell.
- the first preset condition for starting or restarting the second timer may also include at least one of the following: receiving first information for indicating that the cell enters the second state, and receiving second information for indicating that the cell enters a non-energy-saving state and/or a second energy-saving state.
- the second preset condition for stopping the second timer may include at least one of the following: receiving first information for indicating that the cell enters the first state, and receiving second information for indicating that the cell enters the first energy-saving state.
- the indication information including the configuration information of the second timer may be sent via a system broadcast message.
- the present application is not limited thereto, and the indication information may also be sent via other means.
- the indication information may include configuration information of the first timer, or include the first information and/or the second information, or include configuration information of the second timer.
- the indication information may also include a combination of more than one of the above information, for example, the indication information may include configuration information of the first timer and configuration information of the second timer; or, configuration information of the first timer and the first information and/or the second information; or, configuration information of the second timer and the first information and/or the second information; or, configuration information of the first timer, the first information and/or the second information and configuration information of the second timer.
- the indication information including the configuration information of the first timer and the first information and/or the second information as an example:
- the first timer is stopped when a third preset condition is satisfied.
- the third preset condition may include at least one of the following: receiving first information for indicating that the cell enters the first state, and receiving second information for indicating that the cell enters the first energy-saving state.
- the indication information includes the configuration information of the first timer, the configuration information of the second timer, and the first information and/or the second information as an example:
- the moment when the cell is in the first state and the second state can be determined jointly according to the configuration information of the first timer, the configuration information of the second timer, and the first information and/or the second information.
- the moment when the cell is in the second state may include the length of time (DTX On duration) when there is downlink transmission in the statically configured discontinuous transmission cycle, that is, the operation period of the first timer, and the time when the cell is in the TX active state triggered by dynamic signaling, that is, the operation period of the second timer.
- Figure 6 is a schematic diagram of starting or stopping the first timer and the second timer in an embodiment of the present application.
- the first timer starts, at time B, the UE receives the first information indicating that the cell enters the second state or receives the second information indicating that the cell enters the non-energy-saving state and/or the second energy-saving state
- the second timer starts, at time C, the first timer times out, at time D, the second timer times out, at time E, the first timer enters the next start cycle, at time F, the UE receives the first information indicating that the cell enters the first state or receives the second information indicating that the cell enters the first energy-saving state, and the first timer stops.
- the cell can send a downlink signal to the UE between time A and time D and time E and time F, and the cell stops or reduces the sending of downlink signals at other times.
- the indication information may be sent in the cell indicated by the indication information; or, the indication information may be sent in other cells in the network device to which the cell belongs; or, the indication information may be sent in other network devices adjacent to the network device to which the cell belongs.
- the cell when the indication information is sent in the cell indicated by the indication information, the cell can send the indication information to the UE connected to or residing in the cell when it is in the second state; when the indication information is sent in other cells in the network device to which the cell belongs, or in other network devices adjacent to the network device to which the cell belongs, the network device can send the indication information at various times.
- the terminal device may receive these downlink signals only during the second period when the cell is in the second state. In this way, when the cell is transmitting discontinuously, it can not only save the energy consumption of the network device, but also help save the energy consumption of the terminal device.
- the present application is not limited to this.
- the terminal device may also receive them during the first period when the cell is in the first state and the second period when the cell is in the second state. In this way, the user experience can be guaranteed.
- the terminal device may receive a system broadcast, an L1/L2 common signal, or a paging message from the cell during a second period when the cell is in a second state, and may not receive a system broadcast, an L1/L2 common signal, or a paging message from the cell during a first period when the cell is in a first state.
- the terminal device may receive a dedicated signal for the terminal device from the cell during a second period when the cell is in the second state, and may not receive a dedicated signal for the terminal device from the cell during a first period when the cell is in the first state.
- the dedicated signal of the terminal device may include a PDCCH for scheduling HARQ initial transmission data of the terminal device. That is, the terminal device receives the HARQ initial transmission data only during the second period when the cell is in the second state.
- the terminal device supporting DRX starts or restarts the discontinuous reception on-duration timer (drx-onDurationTimer) when the following conditions are met and the cell is in the second period:
- SFN is the system frame number
- subframe number is the subframe number
- drx-ShortCycle is the cycle of discontinuous reception
- drx-StartOffset is the time offset of discontinuous reception within the cycle
- the terminal device supporting DRX stops the drx-onDurationTimer timer at the end of the second period.
- the terminal device supporting DRX starts or restarts a discontinuous reception inactivity timer (drx-InactivityTimer) when receiving a PDCCH for scheduling HARQ initial transmission data and the cell is in the second period;
- drx-InactivityTimer a discontinuous reception inactivity timer
- the terminal device supporting DRX stops the drx-InactivityTimer timer at the end of the second period.
- the terminal device starts the random access contention resolution timer (ra-ContentionResolutionTimer) when the following conditions are met: the terminal device has sent msg3 of the random access, and the cell is in the second period;
- the terminal device stops ra-ContentionResolutionTimer at the end of the second period.
- the terminal device may receive the PDCCH for scheduling the HARQ retransmission data of the terminal device only during the second period when the cell is in the second state. That is, the dedicated signal of the terminal device includes not only the PDCCH for scheduling the HARQ initial transmission data of the terminal device, but also the PDCCH for scheduling the HARQ retransmission data of the terminal device.
- the terminal device receives these dedicated signals from the cell during the second period when the cell is in the second state, and does not receive these dedicated signals from the cell during the first period when the cell is in the first state.
- the terminal device supporting DRX starts a discontinuous reception downlink retransmission timer (drx-RetransmissionTimeDL) when the following conditions are met: a downlink HARQ round trip time timer (drx-HARQ-RTT-TimerDL) times out, the terminal device fails to correctly decode HARQ data, and the cell is in the second period;
- drx-RetransmissionTimeDL discontinuous reception downlink retransmissionTimeDL
- the terminal device supporting DRX stops drx-RetransmissionTimeDL and/or drx-HARQ-RTT-TimerDL at the end of the second period.
- the terminal device supporting DRX starts a discontinuous reception uplink retransmission timer (drx-RetransmissionTimeUL) when the following conditions are met: an uplink HARQ round trip time timer (drx-HARQ-RTT-TimerUL) times out, and the cell is in the second period;
- drx-RetransmissionTimeUL discontinuous reception uplink retransmission timer
- the terminal device supporting DRX stops the drx-RetransmissionTimeUL timer at the end of the second period.
- Drx-onDurationTimer for a UE supporting DRX, Drx-onDurationTimer, drx-InactivityTimer, drx-RetransmissionTimeDL, and drx-RetransmissionTimeUL can only be started or restarted during the first period, and these timers are stopped at the end of the second period.
- the terminal device may also receive the PDCCH for scheduling HARQ retransmission data of the terminal device during the first period when the cell is in the first state and the second period when the cell is in the second state. That is, the terminal device receives the PDCCH for scheduling HARQ initial transmission data of the terminal device only during the second period, and receives the PDCCH for scheduling HARQ retransmission data of the terminal device during the first period and the second period.
- Drx-onDurationTimer and drx-InactivityTimer can only be started or restarted in the first period, and these timers can be stopped at the end of the second period; drx-RetransmissionTimeDL and drx-RetransmissionTimeUL can be started and restarted in the first period and the second period.
- FIG7 is a schematic diagram of the HARQ initial transmission and retransmission data reception timing of an embodiment of the present application, which shows a situation where the HARQ initial transmission data is received only in the second period, and the HARQ retransmission data is received in the first period and the second period.
- UE-1 and UE-2 can receive HARQ initial transmission data 701 and 702.
- UE-2 can receive HARQ retransmission data in the second period.
- UE-1 and UE-2 do not receive HARQ initial transmission data 704 and 705.
- the terminal device may also receive, during the first period and the second period, a PDCCH for scheduling HARQ initial transmission data of the terminal device and a PDCCH for scheduling HARQ retransmission data of the terminal device.
- the terminal device receives a random access response (RAR) from the cell during a second period when the cell is in a second state; and does not receive a random access response (RAR) from the cell during a first period when the cell is in a first state.
- RAR random access response
- the terminal device starts the random access response receiving timer when the following conditions are met: the random access msg1 or MsgA is sent, and the cell is in the second period; the terminal device stops the random access response receiving timer at the end of the second period.
- RAR can only be received in the second period
- the UE can only initiate random access in the second period, and ra-ResponseWindow and msgB-ResponseWindow can only be started in the second period.
- RAR can also be received during the first period and the second period.
- the UE can initiate random access during the first period and the second period, and ra-ResponseWindow and msgB-ResponseWindow can be started during the first period and the second period.
- CSI-RS measurement radio resource management (RRM) measurement, radio link monitoring (RLM) or beam failure detection (BFD) is performed; during a first period when the cell is in a first state, no radio resource management (RRM) measurement, radio link monitoring (RLM) or beam failure detection (BFD) is performed.
- RRM radio resource management
- RLM radio link monitoring
- BFD beam failure detection
- reference signals eg, SS, CSI-RS, and DRS
- the UE can only perform CSI-RS measurement, RRM measurement, RLM, or BFD during the second period.
- reference signals e.g., SS, CSI-RS, and DRS
- the UE may perform CSI-RS measurement, RRM measurement, RLM, or BFD during the first period and the second period.
- the terminal device can receive indication information of the first state and the second state related to downlink transmission for indicating the cell to which the terminal device is connected or resides, and receive information from the cell according to the indication information.
- the cell can switch between different states related to downlink transmission, thereby saving the energy consumption overhead of the network device; the terminal device connected to or residing in the cell can receive information from the cell according to the indication information for indicating the first state and the second state of the cell, thereby, when the cell switches between the first state and the second state, the terminal device does not have to switch to other cells, and the terminal device originally residing in the cell does not have to reselect the cell, which can avoid the migration of the terminal device in the energy-saving state cell to the adjacent cell to cause service interruption and increase the load level of the adjacent cell, and ensure that the user experience is not reduced when the cell enters the energy-saving state.
- the embodiment of the present application provides an information processing method.
- the method is the processing of a network side device corresponding to the method of the embodiment of the first aspect, wherein the same contents as the embodiment of the first aspect are not repeated.
- FIG8 is a schematic diagram of an information processing method according to an embodiment of the present application, which is applied to a network device. As shown in FIG8 , the method includes:
- the terminal device 801 sending indication information for indicating a first state and a second state of a cell related to downlink transmission to a terminal device, so that the terminal device receives information from the cell according to the indication information, wherein the cell is a cell where the terminal device resides or a cell to which the terminal device is connected.
- FIG. 3 only schematically illustrates the embodiment of the present application, but the present application is not limited thereto.
- other operations may be added or some operations may be reduced.
- Those skilled in the art may make appropriate modifications based on the above content, and are not limited to the description of the above FIG. 3.
- the downlink signal sent when the cell is in the first state is less than the downlink signal sent when the cell is in the second state.
- the first state includes a first energy-saving state
- the second state includes a non-energy-saving state and/or a second energy-saving state
- the first state includes the first energy-saving state and/or the second energy-saving state
- the second state includes a non-energy-saving state; wherein the downlink signal sent by the cell when it is in the first energy-saving state is less than the downlink signal sent by the cell when it is in the second energy-saving state.
- the first energy saving state includes: a first time domain energy saving state, or a combination of the first time domain energy saving state and at least one of a frequency domain energy saving state, a spatial domain energy saving state, and a power domain energy saving state; wherein, the first time domain energy saving state includes at least one of the following: stopping sending common signals, stopping sending common signals and UE-dedicated signals.
- the second energy saving state includes: at least one or a combination of a second time domain energy saving state, a frequency domain energy saving state, a spatial domain energy saving state, and a power domain energy saving state; the second time domain energy saving state includes at least one of the following: sending common signals with an extended sending period, sending simplified common signals, and normally sending downlink signals and stopping or reducing the reception of uplink signals.
- the simplified common signal includes: a synchronization signal block (SSB) that does not include a master information block (MIB) or a physical broadcast channel (PBCH), or a discovery reference signal (DRS) that includes a synchronization reference signal (SS).
- SSB synchronization signal block
- MIB master information block
- PBCH physical broadcast channel
- DRS discovery reference signal
- the frequency domain energy saving state includes: reducing the service bandwidth; and/or, the spatial domain energy saving state includes at least one of the following: reducing the number of antenna units or RF transceiver units (TxRU), reducing the number of transmitted analog beams, reducing the number of CSI-RS transmitting antenna ports (the number of digital beamforming ports), and reducing the number of transmit receive points (TRP); and/or, the power domain energy saving state includes at least one of the following: reducing the transmission power of the downlink reference signal or the common signal, and reducing the transmission power of the data channel.
- TxRU antenna units or RF transceiver units
- TxRU RF transceiver units
- the power domain energy saving state includes at least one of the following: reducing the transmission power of the downlink reference signal or the common signal, and reducing the transmission power of the data channel.
- the indication information includes configuration information of a first timer, and the configuration information of the first timer includes at least one of the following:
- the cell is in the second state during the running of the first timer.
- the configuration information of the first timer is represented by at least one of the following:
- the cell is in the second energy-saving state for a length of time, a period, and an offset in the period.
- the indication information includes configuration information of a second timer
- the configuration information of the second timer includes an operating time length of the second timer, wherein the cell is in the second state during the operation of the second timer.
- the start condition of the second timer includes:
- a dedicated signal for the terminal device is sent in the cell.
- the indication information further includes at least one of the following:
- Second information used to instruct the cell to switch between a non-energy-saving state and at least one energy-saving state is used to instruct the cell to switch between a non-energy-saving state and at least one energy-saving state.
- the second information includes information for indicating that the cell is in one or a combination of more than one of a time domain energy saving state, a frequency domain energy saving state, a power domain energy saving state and a space domain energy saving state.
- the second information is used to switch the configuration parameters of the terminal device to configuration parameters that support one or a combination of more than one of a time domain energy-saving state, a frequency domain energy-saving state, a power domain energy-saving state, and a spatial domain energy-saving state.
- the first information is used to instruct the cell to switch between a BWP supporting the first state and a BWP supporting the second state;
- the second information is used to instruct the cell to switch between a non-energy-saving BWP and at least one BWP supporting an energy-saving state.
- the first information and/or the second information is sent via a common signal of L1 or L2.
- the common signal of L1 includes a PDCCH scrambled by a network energy saving identifier (NES-RNTI), and the common signal of L2 includes a MAC control unit (CE) scheduled by the PDCCH scrambled by the NES-RNTI, wherein the NES-RNTI is broadcast by the system to the terminal device.
- NES-RNTI network energy saving identifier
- CE MAC control unit
- the start condition of the second timer includes at least one of the following:
- the stop condition of the first timer or the second timer includes at least one of the following:
- the configuration information of the first timer and/or the configuration information of the second timer is sent via a system broadcast message.
- the indication information is sent in the cell; or, the indication information is sent in other cells in the network device to which the cell belongs; or, the indication information is sent in other network devices adjacent to the network device to which the cell belongs.
- a system broadcast an L1/L2 common signal or a paging message is sent in the cell;
- a dedicated signal for the terminal device is sent in the cell
- the dedicated signal of the terminal device includes a PDCCH for scheduling HARQ initial transmission data of the terminal device.
- the dedicated signal for the terminal device also includes a PDCCH for scheduling HARQ retransmission data of the terminal device.
- RAR random access response
- the terminal device can receive indication information of the first state and the second state related to downlink transmission for indicating the cell to which the terminal device is connected or resides, and receive information from the cell according to the indication information.
- the cell can switch between different states related to downlink transmission, thereby saving the energy consumption overhead of the network device; the terminal device connected to or residing in the cell can receive information from the cell according to the indication information for indicating the first state and the second state of the cell, thereby, when the cell switches between the first state and the second state, the terminal device does not have to switch to other cells, and the terminal device originally residing in the cell does not have to reselect the cell, which can avoid the migration of the terminal device in the energy-saving state cell to the adjacent cell to cause service interruption and increase the load level of the adjacent cell, and ensure that the user experience is not reduced when the cell enters the energy-saving state.
- the embodiment of the present application provides an information processing device.
- the device may be, for example, a terminal device, or may be one or more components or assemblies configured on the terminal device.
- the device of the embodiment of the present application corresponds to the method of the embodiment of the first aspect, and the contents identical to those of the embodiment of the first aspect are not repeated.
- Fig. 9 is a schematic diagram of an information processing device according to an embodiment of the present application.
- the information processing device 900 includes: a receiving unit 901 and a processing unit 902 .
- the receiving unit 901 receives indication information for indicating a first state and a second state of a cell related to downlink transmission.
- the processing unit 902 receives information from the cell according to the indication information, wherein the cell is a cell where the terminal device resides or a cell to which the terminal device is connected.
- the downlink signal sent when the cell is in the first state is less than the downlink signal sent when the cell is in the second state.
- the first state includes a first energy-saving state
- the second state includes a non-energy-saving state and/or a second energy-saving state
- the first state includes the first energy-saving state and/or the second energy-saving state, and the second state includes a non-energy-saving state;
- the downlink signal sent when the cell is in the first energy-saving state is less than the downlink signal sent when the cell is in the second energy-saving state.
- the first energy-saving state includes: a first time-domain energy-saving state, or a combination of the first time-domain energy-saving state and at least one of a frequency-domain energy-saving state, a spatial-domain energy-saving state, and a power-domain energy-saving state, wherein the first time-domain energy-saving state includes at least one of the following: stopping sending common signals, stopping sending common signals and UE-specific signals; and/or
- the second energy-saving state includes: at least one or a combination of a second time domain energy-saving state, a frequency domain energy-saving state, a space domain energy-saving state and a power domain energy-saving state, wherein the second time domain energy-saving state includes at least one of the following: sending common signals with an extended sending period, sending simplified common signals, and normally sending downlink signals and stopping or reducing the reception of uplink signals.
- the simplified common signal includes: a synchronization signal block (SSB) that does not include a master information block (MIB) or a physical broadcast channel (PBCH), or a discovery reference signal (DRS) that includes a synchronization reference signal (SS); and/or,
- SSB synchronization signal block
- MIB master information block
- PBCH physical broadcast channel
- DRS discovery reference signal
- the frequency domain energy saving state includes: reducing the service bandwidth; and/or,
- the spatial energy-saving state includes at least one of the following: reducing the number of antenna units or radio frequency transceiver units (TxRUs), reducing the number of transmitted analog beams, reducing the number of CSI-RS transmit antenna ports (number of digital beamforming ports), and reducing the number of transmit receive points (TRPs); and/or,
- the power domain energy saving state includes at least one of the following: reducing the transmission power of a downlink reference signal or a common signal, and reducing the transmission power of a data channel.
- the indication information includes configuration information of a first timer
- the configuration information of the first timer includes at least one of the following: an on-duration of the first timer, a start time offset of the first timer, and a start period of the first timer, wherein the cell is in the second state during the operation of the first timer; and/or,
- the indication information includes configuration information of a second timer, the configuration information of the second timer includes the running time length of the second timer, wherein the cell is in the second state during the running of the second timer; and/or,
- the indication information includes at least one of the following: first information for instructing the cell to switch between the first state and the second state, and second information for instructing the cell to switch between non-energy-saving and at least one energy-saving state.
- the receiving unit 901 obtains the configuration information of the first timer by at least one of the following:
- the cell is in the second energy-saving state for a length of time, a period, and an offset in the period.
- the start condition of the second timer includes at least one of the following:
- the stop condition of the first timer or the second timer includes at least one of the following:
- Second information for instructing the cell to enter the first energy-saving state is received.
- the second information includes: information for indicating that the cell is in a time domain energy-saving state, a frequency domain energy-saving state, a power domain energy-saving state, and a space domain energy-saving state, or a combination of more than one, and/or, including configuration parameters for switching the configuration parameters of the terminal device to support a time domain energy-saving state, a frequency domain energy-saving state, a power domain energy-saving state, and a space domain energy-saving state, or a combination of more than one, and/or, including information for indicating that the cell switches between a non-energy-saving BWP and at least one BWP supporting an energy-saving state; and/or,
- the first information includes information for instructing the cell to switch between a BWP supporting the first state and a BWP supporting the second state.
- the configuration information of the first timer and/or the configuration information of the second timer is sent via a system broadcast message; and/or,
- the first information and/or the second information is sent via a common signal of L1 or L2.
- the L1 common signal includes a PDCCH scrambled by a network energy saving identifier (NES-RNTI), and the L2 common signal includes a MAC control unit (CE) scheduled by the PDCCH scrambled by the NES-RNTI, wherein the NES-RNTI is broadcasted to the terminal device by the system.
- NES-RNTI network energy saving identifier
- CE MAC control unit
- the indication information is sent in the cell; or, the indication information is sent in other cells in the network device to which the cell belongs; or, the indication information is sent in other network devices adjacent to the network device to which the cell belongs.
- the processing unit 902 receives a system broadcast, an L1/L2 common signal, or a paging message from the cell during a second period when the cell is in the second state, and the processing unit 902 does not receive a system broadcast, an L1/L2 common signal, or a paging message from the cell during a first period when the cell is in the first state; and/or
- the processing unit 902 receives a dedicated signal of the terminal device from the cell during a second period when the cell is in the second state, and the processing unit 902 does not receive a dedicated signal of the terminal device from the cell during a first period when the cell is in the first state;
- the processing unit 902 receives a random access response (RAR) from the cell during a second period when the cell is in the second state, and the processing unit 902 does not receive a random access response (RAR) from the cell during a first period when the cell is in the first state; and/or
- the processing unit 902 performs CSI-RS measurement, radio resource management (RRM) measurement, radio link monitoring (RLM) or beam failure detection (BFD) during the second period when the cell is in the second state, and the processing unit 902 does not perform CSI-RS measurement, radio resource management (RRM) measurement, radio link monitoring (RLM) or beam failure detection (BFD) during the first period when the cell is in the first state.
- RRM radio resource management
- RLM radio link monitoring
- BFD beam failure detection
- the dedicated signal of the terminal device includes a PDCCH for scheduling HARQ initial transmission data of the terminal device.
- the processing unit 902 starts or restarts a discontinuous reception inactivity timer (drx-InactivityTimer) when receiving a PDCCH for scheduling HARQ initial transmission data and the cell is in the second period; the processing unit 902 stops the drx-InactivityTimer timer at the end of the second period;
- drx-InactivityTimer discontinuous reception inactivity timer
- the processing unit 902 starts the random access contention resolution timer (ra-ContentionResolutionTimer) when the following conditions are met: the random access msg3 is sent, and the cell is in the second period; the processing unit 902 stops the ra-ContentionResolutionTimer at the end of the second period.
- ra-ContentionResolutionTimer random access contention resolution timer
- the dedicated signal for the terminal device also includes a PDCCH for scheduling HARQ retransmission data of the terminal device.
- the processing unit 902 starts a discontinuous reception downlink retransmission timer (drx-RetransmissionTimeDL) when the following conditions are met: a downlink HARQ round trip time timer (drx-HARQ-RTT-TimerDL) times out, the HARQ data is not correctly decoded, and the cell is in the second period; the processing unit 902 stops the drx-HARQ-RTT-TimerDL timer at the end of the second period;
- drx-RetransmissionTimeDL discontinuous reception downlink retransmission timer
- the processing unit 902 starts a discontinuous reception uplink retransmission timer (drx-RetransmissionTimeUL) when the following conditions are met: the uplink HARQ round-trip time timer (drx-HARQ-RTT-TimerUL) times out, and the cell is in the second period; the processing unit 902 stops the drx-RetransmissionTimeUL timer at the end of the second period.
- drx-RetransmissionTimeUL discontinuous reception uplink retransmission timer
- the processing unit 902 starts the random access response reception timer when the following conditions are met: after sending the random access msg1 or MsgA, and the cell is in the second period;
- the processing unit 902 stops the random access response reception timer when the second period ends.
- the information processing device 900 may also include other components or modules. For the specific contents of these components or modules, reference may be made to the relevant technology.
- the above components or modules may be implemented by hardware facilities such as processors, memories, transmitters, and receivers; the implementation of the present application is not limited thereto.
- the terminal device can receive indication information of the first state and the second state related to downlink transmission for indicating the cell to which the terminal device is connected or resides, and receive information from the cell according to the indication information.
- the cell can switch between different states related to downlink transmission, thereby saving energy consumption overhead of the network device; the terminal device connected to or residing in the cell can receive information from the cell according to the indication information for indicating the first state and the second state of the cell, thereby, when the cell switches between the first state and the second state, the terminal device does not have to switch to other cells, and the terminal device originally residing in the cell does not have to reselect the cell, which can avoid the migration of the terminal device in the energy-saving state cell to the adjacent cell to cause service interruption and increase the load level of the adjacent cell, and ensure that the user experience is not reduced when the cell enters the energy-saving state.
- the embodiment of the present application provides an information processing device.
- the device may be, for example, a network device, or may be one or more components or assemblies configured on the network device.
- the device of the embodiment of the present application corresponds to the method of the embodiment of the second aspect, and the contents identical to those of the embodiment of the second aspect are not repeated.
- Fig. 10 is a schematic diagram of an information processing device according to an embodiment of the present application, which is applied to a network device. As shown in Fig. 10 , the information processing device 1000 includes a sending unit 1001 .
- the sending unit 1001 sends indication information for indicating a first state and a second state of a cell related to downlink transmission to a terminal device, so that the terminal device receives information from the cell according to the indication information, wherein the cell is the cell where the terminal device resides, or the cell to which the terminal device is connected.
- the downlink signal sent when the cell is in the first state is less than the downlink signal sent when the cell is in the second state.
- the first state includes a first energy-saving state
- the second state includes a non-energy-saving state and/or a second energy-saving state
- the first state includes the first energy-saving state and/or the second energy-saving state, and the second state includes a non-energy-saving state;
- the downlink signal sent when the cell is in the first energy-saving state is less than the downlink signal sent when the cell is in the second energy-saving state.
- the first energy-saving state includes: a first time-domain energy-saving state, or a combination of the first time-domain energy-saving state and at least one of a frequency-domain energy-saving state, a space-domain energy-saving state, and a power-domain energy-saving state;
- the first time domain energy saving state includes at least one of the following: stopping sending common signals, stopping sending common signals and UE-specific signals.
- the second energy-saving state includes: at least one or a combination of a second time-domain energy-saving state, a frequency-domain energy-saving state, a space-domain energy-saving state, and a power-domain energy-saving state;
- the second time-domain energy-saving state includes at least one of the following: sending common signals with an extended sending cycle, sending simplified common signals, and sending downlink signals normally and stopping or reducing the reception of uplink signals.
- the simplified common signal includes:
- MIB Master Information Block
- SSB Synchronization Signal Block
- PBCH Physical Broadcast Channel
- DRS Discovery Reference Signal
- the frequency domain energy saving state includes: reducing the service bandwidth; and/or
- the spatial energy saving state includes at least one of the following: reducing the number of antenna units or radio frequency transceiver units (TxRUs), reducing the number of transmitted analog beams, reducing the number of CSI-RS transmit antenna ports (number of digital beamforming ports), and reducing the number of transmit receive points (TRPs); and/or
- the power domain energy saving state includes at least one of the following: reducing the transmission power of a downlink reference signal or a common signal, and reducing the transmission power of a data channel.
- the indication information includes configuration information of a first timer, and the configuration information of the first timer includes at least one of the following:
- the cell is in the second state during the running of the first timer.
- the configuration information of the first timer is represented by at least one of the following:
- the cell is in the second energy-saving state for a length of time, a period, and an offset in the period.
- the indication information includes configuration information of a second timer
- the configuration information of the second timer includes an operating time length of the second timer, wherein the cell is in the second state during the operation of the second timer.
- the start condition of the second timer includes:
- a dedicated signal for the terminal device is sent in the cell.
- the indication information further includes at least one of the following:
- Second information used to instruct the cell to switch between a non-energy-saving state and at least one energy-saving state is used to instruct the cell to switch between a non-energy-saving state and at least one energy-saving state.
- the second information includes information for indicating that the cell is in one or a combination of more than one of a time domain energy saving state, a frequency domain energy saving state, a power domain energy saving state and a space domain energy saving state.
- the second information is used to switch the configuration parameters of the terminal device to configuration parameters that support one or a combination of more than one of a time domain energy-saving state, a frequency domain energy-saving state, a power domain energy-saving state, and a spatial domain energy-saving state.
- the first information is used to instruct the cell to switch between a BWP supporting the first state and a BWP supporting the second state;
- the second information is used to instruct the cell to switch between a non-energy-saving BWP and at least one BWP supporting an energy-saving state.
- the first information and/or the second information is sent via a common signal of L1 or L2.
- the common signal of L1 includes a PDCCH scrambled by a network energy saving identifier (NES-RNTI), and the common signal of L2 includes a MAC control unit (CE) scheduled by the PDCCH scrambled by the NES-RNTI, wherein the NES-RNTI is broadcast by the system to the terminal device.
- NES-RNTI network energy saving identifier
- CE MAC control unit
- the start condition of the second timer includes at least one of the following:
- the stop condition of the first timer or the second timer includes at least one of the following:
- the configuration information of the first timer and/or the configuration information of the second timer is sent via a system broadcast message.
- the indication information is sent in the cell; or, the indication information is sent in other cells in the network device to which the cell belongs; or, the indication information is sent in other network devices adjacent to the network device to which the cell belongs.
- the sending unit 1001 sends a system broadcast, an L1/L2 common signal or a paging message in the cell during a second period in which the cell is in the second state;
- the sending unit 1001 does not send a system broadcast, an L1/L2 common signal or a paging message in the cell during a first period when the cell is in the first state.
- the sending unit 1001 sends a dedicated signal of the terminal device in the cell during a second period in which the cell is in the second state;
- the sending unit 1001 does not send a dedicated signal for the terminal device in the cell during a first period in which the cell is in the first state.
- the dedicated signal of the terminal device includes a PDCCH for scheduling HARQ initial transmission data of the terminal device.
- the dedicated signal for the terminal device also includes a PDCCH for scheduling HARQ retransmission data of the terminal device.
- the sending unit 1001 sends a random access response (RAR) in the cell during a second period when the cell is in the second state;
- RAR random access response
- the sending unit 1001 does not send a random access response (RAR) in the cell during a first period when the cell is in the first state.
- RAR random access response
- the information processing devices 800-1000 may also include other components or modules.
- the above components or modules may be implemented by hardware facilities such as processors, memories, transmitters, and receivers; the implementation of the present application is not limited thereto.
- the terminal device can receive indication information of the first state and the second state related to downlink transmission for indicating the cell to which the terminal device is connected or resides, and receive information from the cell according to the indication information.
- the cell can switch between different states related to downlink transmission, thereby saving the energy consumption overhead of the network device; the terminal device connected to or residing in the cell can receive information from the cell according to the indication information for indicating the first state and the second state of the cell, thereby, when the cell switches between the first state and the second state, the terminal device does not have to switch to other cells, and the terminal device originally residing in the cell does not have to reselect the cell, which can avoid the migration of the terminal device in the energy-saving state cell to the adjacent cell to cause service interruption and increase the load level of the adjacent cell, and ensure that the user experience is not reduced when the cell enters the energy-saving state.
- An embodiment of the present application also provides a communication system, including a network device and a terminal device.
- the terminal device includes the apparatus described in the embodiment of the third aspect, and is configured to execute the method described in the embodiment of the first aspect. Since the method has been described in detail in the embodiment of the first aspect, its content is incorporated here and will not be repeated.
- the network device includes the apparatus described in the embodiment of the fourth aspect, and is configured to execute the method described in the embodiment of the second aspect. Since the method has been described in detail in the embodiment of the second aspect, its content is incorporated here and will not be repeated.
- An embodiment of the present application also provides a terminal device, such as a UE.
- FIG11 is a schematic diagram of a terminal device according to an embodiment of the present application.
- the terminal device 1100 may include a processor 1101 and a memory 1102; the memory 1102 stores data and programs and is coupled to the processor 1101. It is worth noting that the figure is exemplary; other types of structures may also be used to supplement or replace the structure to implement telecommunication functions or other functions.
- the functionality of the apparatus of the embodiment of the third aspect may be integrated into the processor 1101, wherein the processor 1101 may be configured to execute a program to implement the method described in the embodiment of the first aspect, the contents of which are incorporated herein and will not be repeated here.
- the apparatus of the embodiment of the third aspect may be configured separately from the processor 1101.
- the apparatus of the embodiment of the third aspect may be configured as a chip connected to the processor 1301, and the functions of the apparatus of the embodiment of the third aspect may be implemented through the control of the processor 1101.
- the terminal device 1100 may further include: a communication module 1103, an input unit 1104, a display 1105, and a power supply 1106.
- the functions of the above components are similar to those in the prior art and are not described in detail here. It is worth noting that the terminal device 1100 does not necessarily include all the components shown in FIG11 , and the above components are not necessary; in addition, the terminal device 1100 may also include components not shown in FIG11 , and reference may be made to the relevant art.
- An embodiment of the present application also provides a network device, such as a gNB (a base station in NR), etc.
- a network device such as a gNB (a base station in NR), etc.
- FIG12 is a schematic diagram of a network device according to an embodiment of the present application.
- the network device 1200 may include: a central processing unit (CPU) 1201 and a memory 1202; the memory 1202 is coupled to the central processing unit 1201.
- the memory 1202 may store various data; in addition, it may store information processing programs, and execute the programs under the control of the central processing unit 1201 to receive various information sent by the terminal device and send various information to the terminal device.
- the functions of the device described in the embodiment of the fourth aspect can be integrated into the central processing unit 1201, and the central processing unit 1201 can be configured to execute a program to implement the method described in the embodiment of the second aspect, the content of which is incorporated herein and will not be repeated here.
- the device described in the embodiment of the fourth aspect can be configured separately from the central processing unit 1201.
- the device described in the embodiment of the fourth aspect can be configured as a chip connected to the central processing unit 1201, and the function of the device described in the embodiment of the fourth aspect is realized through the control of the central processing unit 1201.
- the network device 1200 may further include: a transceiver 1203 and an antenna 1204, etc.; wherein the functions of the above components are similar to those of the prior art and are not described in detail here. It is worth noting that the network device 1200 does not necessarily include all the components shown in FIG12 ; in addition, the network device 1200 may also include components not shown in FIG12 , which may refer to the prior art.
- An embodiment of the present application also provides a computer program, wherein when the program is executed in a terminal device, the program causes the terminal device to execute the method described in the embodiment of the first aspect.
- An embodiment of the present application further provides a storage medium storing a computer program, wherein the computer program enables a terminal device to execute the method described in the embodiment of the first aspect.
- An embodiment of the present application also provides a computer program, wherein when the program is executed in a network device, the program causes the network device to execute the method described in the embodiment of the second aspect.
- An embodiment of the present application further provides a storage medium storing a computer program, wherein the computer program enables a network device to execute the method described in the embodiment of the second aspect.
- the above devices and methods of the present application can be implemented by hardware, or by hardware combined with software.
- the present application relates to such a computer-readable program, which, when executed by a logic component, enables the logic component to implement the above-mentioned devices or components, or enables the logic component to implement the various methods or steps described above.
- the present application also relates to a storage medium for storing the above program, such as a hard disk, a magnetic disk, an optical disk, a DVD, a flash memory, etc.
- the method/device described in conjunction with the embodiments of the present application may be directly embodied as hardware, a software module executed by a processor, or a combination of the two.
- one or more of the functional block diagrams shown in the figure and/or one or more combinations of the functional block diagrams may correspond to various software modules of the computer program flow or to various hardware modules.
- These software modules may correspond to the various steps shown in the figure, respectively.
- These hardware modules may be implemented by solidifying these software modules, for example, using a field programmable gate array (FPGA).
- FPGA field programmable gate array
- the software module may be located in a RAM memory, a flash memory, a ROM memory, an EPROM memory, an EEPROM memory, a register, a hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
- a storage medium may be coupled to a processor so that the processor can read information from the storage medium and write information to the storage medium; or the storage medium may be an integral part of the processor.
- the processor and the storage medium may be located in an ASIC.
- the software module may be stored in a memory of a mobile terminal or in a memory card that can be inserted into the mobile terminal.
- the software module may be stored in the MEGA-SIM card or the large-capacity flash memory device.
- the functional blocks described in the drawings and/or one or more combinations of functional blocks it can be implemented as a general-purpose processor, digital signal processor (DSP), application-specific integrated circuit (ASIC), field programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component or any appropriate combination thereof for performing the functions described in the present application.
- DSP digital signal processor
- ASIC application-specific integrated circuit
- FPGA field programmable gate array
- it can also be implemented as a combination of computing devices, such as a combination of a DSP and a microprocessor, multiple microprocessors, one or more microprocessors in communication with a DSP, or any other such configuration.
- Terminal device side
- An information processing method applied to a terminal device, characterized in that the method comprises:
- the cell is a cell where the terminal device resides, or a cell to which the terminal device is connected.
- the downlink signal sent by the cell when it is in the first state is less than the downlink signal sent by the cell when it is in the second state.
- the first state includes a first energy-saving state
- the second state includes a non-energy-saving state and/or a second energy-saving state
- the first state includes the first energy-saving state and/or the second energy-saving state, and the second state includes a non-energy-saving state;
- the downlink signal sent when the cell is in the first energy-saving state is less than the downlink signal sent when the cell is in the second energy-saving state.
- the first energy-saving state includes: a first time-domain energy-saving state, or a combination of the first time-domain energy-saving state and at least one of a frequency-domain energy-saving state, a space-domain energy-saving state, and a power-domain energy-saving state;
- the first time domain energy saving state includes at least one of the following: stopping sending common signals, stopping sending common signals and UE-dedicated signals.
- the second energy-saving state includes: at least one or a combination of a second time-domain energy-saving state, a frequency-domain energy-saving state, a space-domain energy-saving state, and a power-domain energy-saving state;
- the second time-domain energy-saving state includes at least one of the following: sending common signals with an extended sending cycle, sending simplified common signals, and sending downlink signals normally and stopping or reducing the reception of uplink signals.
- MIB Master Information Block
- SSB Synchronization Signal Block
- PBCH Physical Broadcast Channel
- DRS Discovery Reference Signal
- the frequency domain energy saving state includes: reducing the service bandwidth; and/or
- the spatial energy saving state includes at least one of the following: reducing the number of antenna units or radio frequency transceiver units (TxRUs), reducing the number of transmitted analog beams, reducing the number of CSI-RS transmit antenna ports (number of digital beamforming ports), and reducing the number of transmit receive points (TRPs); and/or
- the power domain energy saving state includes at least one of the following: reducing the transmission power of a downlink reference signal or a common signal, and reducing the transmission power of a data channel.
- the indication information includes configuration information of a first timer
- the configuration information of the first timer includes at least one of the following:
- the cell is in the second state during the running of the first timer.
- the configuration information of the first timer is obtained by at least one of the following:
- the cell is in the second energy-saving state for a length of time, a period, and an offset in the period.
- the indication information includes configuration information of a second timer
- the configuration information of the second timer includes the running time length of the second timer, and wherein the cell is in the second state during the running of the second timer.
- start condition of the second timer includes:
- a dedicated signal for the terminal device is received from the cell
- the indication information further includes at least one of the following:
- Second information used to instruct the cell to switch between a non-energy-saving state and at least one energy-saving state is used to instruct the cell to switch between a non-energy-saving state and at least one energy-saving state.
- the second information includes information for indicating that the cell is in one or a combination of more than one of a time domain energy-saving state, a frequency domain energy-saving state, a power domain energy-saving state and a space domain energy-saving state.
- the second information is used to switch the configuration parameters of the terminal device to configuration parameters that support one or a combination of more than one of a time domain energy-saving state, a frequency domain energy-saving state, a power domain energy-saving state and a space domain energy-saving state.
- the first information is used to instruct the cell to switch between a BWP supporting the first state and a BWP supporting the second state;
- the second information is used to instruct the cell to switch between a non-energy-saving BWP and at least one BWP supporting an energy-saving state.
- the first information and/or the second information is sent via a common signal of L1 or L2.
- the common signal of L1 includes a PDCCH scrambled by a network energy saving identifier (NES-RNTI), and the common signal of L2 includes a MAC control unit (CE) scheduled by a PDCCH scrambled by the NES-RNTI, wherein the NES-RNTI is broadcasted by the system to the terminal device.
- NES-RNTI network energy saving identifier
- CE MAC control unit
- the start condition of the second timer includes at least one of the following:
- Second information for instructing the cell to enter a non-energy-saving state and/or a second energy-saving state is received.
- the stop condition of the first timer or the second timer includes at least one of the following:
- Second information for instructing the cell to enter a first energy-saving state is received.
- the configuration information of the first timer and/or the configuration information of the second timer is sent via a system broadcast message.
- the indication information is sent in the cell; or, the indication information is sent in other cells in the network device to which the cell belongs; or, the indication information is sent in other network devices adjacent to the network device to which the cell belongs.
- a dedicated signal for the terminal device is not received from the cell.
- the drx-onDurationTimer timer is stopped at the end of the second period.
- the drx-InactivityTimer timer is stopped at the end of the second period.
- the random access contention resolution timer (ra-ContentionResolutionTimer) is started when the following conditions are met:
- the cell After sending the random access msg3, the cell is in the second period;
- the ra-ContentionResolutionTimer is stopped at the end of the second period.
- the dedicated signal of the terminal device also includes a PDCCH for scheduling HARQ retransmission data of the terminal device.
- the discontinuous reception downlink retransmission timer (drx-RetransmissionTimeDL) is started when the following conditions are met:
- a downlink HARQ round trip time timer (drx-HARQ-RTT-TimerDL) times out, the HARQ data is not correctly decoded, and the cell is in the second period;
- the drx-HARQ-RTT-TimerDL timer is stopped at the end of the second period.
- the discontinuous reception uplink retransmission timer (drx-RetransmissionTimeUL) is started when the following conditions are met:
- An uplink HARQ round trip time timer (drx-HARQ-RTT-TimerUL) times out, and the cell is in the second period;
- the drx-RetransmissionTimeUL timer is stopped at the end of the second period.
- RAR random access response
- the random access response reception timer is started when the following conditions are met:
- the cell After sending the random access msg1 or MsgA, the cell is in the second period;
- the random access response reception timer is stopped when the second period ends.
- RRM radio resource management
- RLM radio link monitoring
- BFD beam failure detection
- no CSI-RS measurement, radio resource management (RRM) measurement, radio link monitoring (RLM) or beam failure detection (BFD) is performed.
- a terminal device comprising a memory and a processor, wherein the memory stores a computer program, and the processor is configured to execute the computer program to implement the information processing method as described in any one of Notes 1 to 33.
- An information processing method applied to a network device, characterized in that the method comprises:
- the cell is a cell where the terminal device resides, or a cell to which the terminal device is connected.
- the downlink signal sent by the cell when it is in the first state is less than the downlink signal sent by the cell when it is in the second state.
- the first state includes a first energy-saving state
- the second state includes a non-energy-saving state and/or a second energy-saving state
- the first state includes the first energy-saving state and/or the second energy-saving state, and the second state includes a non-energy-saving state;
- the downlink signal sent when the cell is in the first energy-saving state is less than the downlink signal sent when the cell is in the second energy-saving state.
- the first energy-saving state includes: a first time-domain energy-saving state, or a combination of the first time-domain energy-saving state and at least one of a frequency-domain energy-saving state, a space-domain energy-saving state, and a power-domain energy-saving state;
- the first time domain energy saving state includes at least one of the following: stopping sending common signals, stopping sending common signals and UE-dedicated signals.
- the second energy-saving state includes: at least one or a combination of a second time-domain energy-saving state, a frequency-domain energy-saving state, a space-domain energy-saving state, and a power-domain energy-saving state;
- the second time-domain energy-saving state includes at least one of the following: sending common signals with an extended sending cycle, sending simplified common signals, and sending downlink signals normally and stopping or reducing the reception of uplink signals.
- MIB Master Information Block
- SSB Synchronization Signal Block
- PBCH Physical Broadcast Channel
- DRS Discovery Reference Signal
- the frequency domain energy saving state includes: reducing the service bandwidth; and/or
- the spatial energy saving state includes at least one of the following: reducing the number of antenna units or radio frequency transceiver units (TxRUs), reducing the number of transmitted analog beams, reducing the number of CSI-RS transmit antenna ports (number of digital beamforming ports), and reducing the number of transmit receive points (TRPs); and/or
- the power domain energy saving state includes at least one of the following: reducing the transmission power of a downlink reference signal or a common signal, and reducing the transmission power of a data channel.
- the indication information includes configuration information of a first timer
- the configuration information of the first timer includes at least one of the following:
- the cell is in the second state during the running of the first timer.
- the configuration information of the first timer is represented by at least one of the following:
- the cell is in the second energy-saving state for a length of time, a period, and an offset in the period.
- the indication information includes configuration information of a second timer, and the configuration information of the second timer includes an operation time length of the second timer, wherein the cell is in the second state during the operation of the second timer.
- start condition of the second timer includes:
- a dedicated signal for the terminal device is sent in the cell.
- the indication information further includes at least one of the following:
- Second information used to instruct the cell to switch between a non-energy-saving state and at least one energy-saving state is used to instruct the cell to switch between a non-energy-saving state and at least one energy-saving state.
- the second information includes information for indicating that the cell is in one or a combination of more than one of a time domain energy-saving state, a frequency domain energy-saving state, a power domain energy-saving state and a space domain energy-saving state.
- the second information is used to switch the configuration parameters of the terminal device to configuration parameters that support one or a combination of more than one of a time domain energy-saving state, a frequency domain energy-saving state, a power domain energy-saving state and a space domain energy-saving state.
- the first information is used to instruct the cell to switch between a BWP supporting the first state and a BWP supporting the second state;
- the second information is used to instruct the cell to switch between a non-energy-saving BWP and at least one BWP supporting an energy-saving state.
- the first information and/or the second information is sent via a common signal of L1 or L2.
- the common signal of L1 includes a PDCCH scrambled by a network energy saving identifier (NES-RNTI), and the common signal of L2 includes a MAC control unit (CE) scheduled by a PDCCH scrambled by the NES-RNTI, wherein the NES-RNTI is broadcasted by the system to the terminal device.
- NES-RNTI network energy saving identifier
- CE MAC control unit
- the start condition of the second timer includes at least one of the following:
- the stop condition of the first timer or the second timer includes at least one of the following:
- the configuration information of the first timer and/or the configuration information of the second timer is sent via a system broadcast message.
- the indication information is sent in the cell; or, the indication information is sent in other cells in the network device to which the cell belongs; or, the indication information is sent in other network devices adjacent to the network device to which the cell belongs.
- the dedicated signal of the terminal device also includes a PDCCH for scheduling HARQ retransmission data of the terminal device.
- a terminal device comprising a memory and a processor, wherein the memory stores a computer program, and the processor is configured to execute the computer program to implement the information processing method as described in any one of Notes 1 to 26.
- a communication system comprising the above network device and the above terminal device.
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Abstract
Description
Claims (20)
- 一种信息处理装置,应用于终端设备,其特征在于,所述装置包括:接收单元,其接收用于指示小区的与下行发送相关的第一状态和第二状态的指示信息;以及处理单元,其根据所述指示信息,从所述小区接收信息,其中,所述小区是所述终端设备所驻留的小区,或者所述终端设备连接的小区。
- 根据权利要求1所述的装置,其中,所述小区处于所述第一状态时发送的下行信号比所述小区处于所述第二状态时发送的下行信号少。
- 根据权利要求1所述的装置,其中,所述第一状态包括第一节能状态,所述第二状态包括非节能状态和/或第二节能状态;或者,所述第一状态包括所述第一节能状态和/或所述第二节能状态,所述第二状态包括非节能状态;其中,所述小区处于第一节能状态时发送的下行信号比所述小区处于所述第二节能状态时发送的下行信号少。
- 根据权利要求3所述的装置,其中,所述第一节能状态包括:第一时域节能状态,或者,所述第一时域节能状态与频域节能状态、空域节能状态以及功率域节能状态中的至少一个的组合,其中,所述第一时域节能状态包括如下的至少一个:停止发送公共信号、停止发送公共信号和终端设备专用信号;并且/或者所述第二节能状态包括:第二时域节能状态、频域节能状态、空域节能状态以及功率域节能状态中的至少一个或组合,其中,所述第二时域节能状态包括如下的至少一个:以延长的发送周期发送公共信号、发送简化的公共信号、以及正常发送下行信号并停止或减少接收上行信号。
- 根据权利要求4所述的装置,其中,所述简化的公共信号包括:不包括主信息块或物理广播信道的同步信号块,或者,包含同步参考信号的发现参考信号;并且/或者,所述频域节能状态包括:减小服务带宽;并且/或者,所述空域节能状态包括如下的至少一个:减少天线单元或射频收发单元个数,减少发送的模拟波束个数,减少信道状态信息参考信号的发送天线端口数,以及减少发送接收点个数;并且/或者,所述功率域节能状态包括如下的至少一个:减小下行参考信号或公共信号发送功率,以及减小数据信道的发送功率。
- 根据权利要求1所述的装置,其中,所述指示信息包括第一定时器的配置信息,所述第一定时器的配置信息包括如下的至少一个:所述第一定时器的运行时间长度、所述第一定时器启动时间偏移和所述第一定时器的启动周期,其中,在所述第一定时器的运行期间所述小区处于所述第二状态;并且/或者,所述指示信息包括第二定时器的配置信息,所述第二定时器的配置信息包括所述第二定时器的运行时间长度,其中,在所述第二定时器的运行期间所述小区处于所述第二状态;并且/或者,所述指示信息包括以下的至少一个:用于指示所述小区在所述第一状态和所述第二状态之间切换的第一信息,以及用于指示所述小区在非节能和至少一种节能状态之间切换的第二信息。
- 根据权利要求6所述的装置,所述接收单元通过以下的至少一项获得所述第一定时器的配置信息:所述小区处于非节能状态的时间长度、周期和在周期中的偏移;所述小区处于第一节能状态的时间长度、周期和在周期中的偏移;以及所述小区处于第二节能状态的时间长度、周期和在周期中的偏移。
- 根据权利要求6所述的装置,其中,所述第二定时器的启动条件包括以下的至少一项:从所述小区接收到公共信号;从所述小区接收到所述终端设备的专用信号;收到用于指示所述小区进入所述第二状态的第一信息;以及收到用于指示所述小区进入非节能状态和/或第二节能状态的第二信息;并且/或者,所述第一定时器或第二定时器的停止条件包括以下至少一项:收到用于指示所述小区进入所述第一状态的第一信息,以及收到用于指示所述小区进入第一节能状态的第二信息。
- 根据权利要求6所述的装置,其中,所述第二信息包括:用于指示所述小区处于时域节能状态、频域节能状态、功率域节能状态和空域节能状态中的一个或多于一个的组合的信息,和/或,包括用于将所述终端设备的配置参数切换为支持时域节能状态、频域节能状态、功率域节能状态和空域节能状态中的一个或多于一个的组合的配置参数,和/或,包括用于指示所述小区在非节能带宽部分和至少一种支持节能状态的带宽部分之间切换的信息;并且/或者,所述第一信息包括用于指示所述小区在支持所述第一状态的带宽部分和支持所述第二状态的带宽部分之间切换的信息。
- 根据权利要求6所述的装置,其中,所述第一定时器的配置信息和/或所述第二定时器的配置信息通过系统广播消息发送;并且/或者,所述第一信息和/或所述第二信息通过层1或层2的公共信号发送。
- 根据权利要求10所述的装置,其中,所述层1的公共信号包括由网络节能标识加扰的物理下行控制信道,所述层2的公共信号包括由所述网络节能标识加扰的物理下行控制信道调度的介质接入层控制单元,其中,所述网络节能标识由系统广播发送给所述终端设备。
- 根据权利要求1所述的装置,其中,所述指示信息在所述小区发送;或者,所述指示信息在所述小区所属的网络设备中的其他小区发送;或者,所述指示信息在与所述小区所属的网络设备的相邻的其他网络设备发送。
- 根据权利要求1所述的装置,其中,所述处理单元在所述小区处于所述第二状态的第二期间内,从所述小区接收系统广播、层1或层2公共信号或寻呼消息,所述处理单元在所述小区处于所述第一状态的第一期间内,不从所述小区接收系统广播、层1或层2公共信号或寻呼消息;并且/或者所述处理单元在所述小区处于所述第二状态的第二期间内,从所述小区接收所述终端设备的专用信号,所述处理单元在所述小区处于所述第一状态的第一期间内,不从所述小区接收所述终端设备的专用信号;并且/或者所述处理单元在所述小区处于所述第二状态的第二期间内,从所述小区接收随机接入响应,所述处理单元在所述小区处于所述第一状态的第一期间内,不从所述小区接收随机接入响应;并且/或者所述处理单元在所述小区处于所述第二状态的第二期间内,进行信道状态信息参考信号测量、无线资源管理测量、无线链路监测或波束失败检测,所述处理单元在所述小区处于所述第一状态的第一期间内,不进行信道状态信息参考信号测量、无线资源管理测量、无线链路监测或波束失败检测。
- 根据权利要求13所述的装置,其中,所述终端设备的专用信号包括用于调度所述终端设备的混合自动重传请求初传数据的物理下行控制信道。
- 根据权利要求14所述的装置,其中,所述处理单元在以下条件满足,并且所述小区处于所述第二期间时,启动或重启非连续接收开启时间定时器:[(SFN×10)+subframe number]modulo(drx-ShortCycle)=(drx-StartOffset)modulo(drx-ShortCycle);其中,SFN为系统帧号,subframe number为子帧号,drx-ShortCycle为非连续接收的周期,drx-StartOffset为非连续接收在周期内的时间偏移;所述处理单元在所述第二期间结束时停止所述非连续接收开启时间定时器;并且/或者所述处理单元在收到用于调度混合自动重传请求初传数据的物理下行控制信道,并且所述小区处于所述第二期间时,启动或重启非连续接收不激活定时器;所述处理单元在所述第二期间结束时停止所述非连续接收不激活定时器;并且/或者所述处理单元在以下条件满足时,启动随机接入竞争解决定时器:发送完随机接入的msg3,并且,所述小区处于所述第二期间;所述处理单元在所述第二期间结束时停止所述随机接入竞争解决定时器。
- 根据权利要求14所述的装置,其中,所述终端设备的专用信号还包括用于调度所述终端设备的混合自动重传请求重传数据的物理下行控制信道。
- 根据权利要求16所述的装置,其中,所述处理单元在以下条件满足时,启动非连续接收下行重传定时器:下行混合自动重传请求往返时间定时器超时,未正确解码混合自动重传请求数据,并且,所述小区处于所述第二期间;所述处理单元在所述第二期间结束时停止所述下行混合自动重传请求往返时间定时器;并且/或者所述处理单元在以下条件满足时,启动非连续接收上行重传定时器:上行混合自动重传请求往返时间定时器超时,并且,所述小区处于所述第二期间;所述处理单元在所述第二期间结束时停止所述非连续接收上行重传定时器。
- 根据权利要求13所述的装置,其中,所述处理单元在以下条件满足时,启动随机接入响应接收定时器:发送完随机接入的msg1或MsgA,并且,所述小区处于所述第二期间;所述处理单元在所述第二期间结束时停止所述随机接入响应接收定时器。
- 一种信息处理方法,所述方法应用于终端设备,所述方法包括:接收用于指示小区的与下行发送相关的第一状态和第二状态的指示信息;以及根据所述指示信息,从所述小区接收信息,其中,所述小区是所述终端设备所驻留的小区,或者所述终端设备连接的小区。
- 一种信息处理装置,应用于网络设备,其特征在于,所述装置包括:发送单元,其向终端设备发送用于指示小区的与下行发送相关的第一状态和第二状态的指示信息,使所述终端设备根据所述指示信息从所述小区接收信息,其中,所述小区是所述终端设备所驻留的小区,或者所述终端设备连接的小区。
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