WO2024032322A1 - Procédé et appareil de transmission de signal - Google Patents

Procédé et appareil de transmission de signal Download PDF

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Publication number
WO2024032322A1
WO2024032322A1 PCT/CN2023/107826 CN2023107826W WO2024032322A1 WO 2024032322 A1 WO2024032322 A1 WO 2024032322A1 CN 2023107826 W CN2023107826 W CN 2023107826W WO 2024032322 A1 WO2024032322 A1 WO 2024032322A1
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WO
WIPO (PCT)
Prior art keywords
signals
group
signal
information
terminal device
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Application number
PCT/CN2023/107826
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English (en)
Chinese (zh)
Inventor
苏桐
李锐杰
官磊
丁洋
张舒航
Original Assignee
华为技术有限公司
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Publication of WO2024032322A1 publication Critical patent/WO2024032322A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • 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]

Definitions

  • the present application relates to the field of communication technology, and in particular, to a signal transmission method and device.
  • DRX discontinuous reception
  • the terminal device in the radio resource control (RRC) connected state will enter the activation (active) time period and the deactivation time (inactive) period.
  • RRC radio resource control
  • the terminal device performs Detection of downlink control channel (physical downlink control channel, PDCCH), and when the terminal equipment enters the deactivation period, the terminal equipment no longer performs PDCCH detection, thereby achieving the purpose of reducing terminal power consumption.
  • PDCCH physical downlink control channel
  • these other signals include synchronization signal block (SSB) signals, physical random access Channel (physical random access channel, PRACH) signals, etc., make it impossible for the base station to turn off the transmission of other signals mentioned above, resulting in greater power consumption of the base station.
  • SSB synchronization signal block
  • PRACH physical random access Channel
  • This application provides a signal transmission method and device, which helps access network equipment and terminal equipment achieve deep sleep to further reduce power consumption.
  • this application provides a signal transmission method, applied to a terminal device, including: receiving first information, the first information indicating a first mode, the first mode indicating the transceiving status of the first signal, and the transceiving status includes the following Any one of the sending and receiving states: sending, receiving, not sending, not receiving; determine the sending and receiving state of the first signal according to the first mode.
  • the terminal device determines the sending and receiving status of the first signal based on the first mode indicated by the first information sent by the access network device, so that the first signal between the access network device and the terminal device
  • the sending and receiving status remains consistent, which provides a prerequisite for the access network equipment and terminal equipment to enter deep sleep, which helps the access network equipment and terminal equipment to achieve deep sleep to further reduce power consumption.
  • the first signal includes at least one of the following sets of signals: the first set of signals includes at least one of the following signals: Cell Radio Network Temporary Identity Scrambled Physical Downlink Control Channel PDCCH , the PDCCH scrambled by the uplink power control information of the physical uplink control channel, and the dynamically scheduled physical downlink shared channel PDSCH; the second group of signals includes at least one of the following signals: hybrid automatic repeat request of the dynamically scheduled physical downlink shared channel Acknowledgment, aperiodic sounding reference signal SRS, periodic SRS, semi-static SRS; the third group of signals includes at least one of the following signals: synchronization signal block, beam failure recovery, semi-static scheduled physical downlink data channel;
  • the four groups of signals include at least one of the following signals: authorized physical uplink shared channel, hybrid automatic repeat request confirmation of semi-statically scheduled physical downlink shared channel, scheduling request, and physical random access channel.
  • the sending includes any of the following: sending based on target discontinuous reception DRX configuration information configured by the base station for the terminal device, sending based on Radio Resource Control RRC configuration information Transmitting is based on dynamic scheduling information; the receiving includes any one of the following: receiving based on target DRX configuration information, receiving based on the RRC configuration information, and receiving based on dynamic scheduling information.
  • the transceiver state is that the terminal device is configured based on the RRC Information or the dynamic scheduling information is sent and received, and the first signal includes the first group of signals, the second group of signals, the third group of signals and the fourth group of signals, according to the first mode
  • Determining the transmission and reception status of the first signal includes: the terminal device receives the first group of signals and the third group of signals based on the RRC configuration information or dynamic scheduling information, and sends the second group of signals and the fourth group of signals based on the RRC configuration information or the dynamic scheduling information.
  • the transceiving state is that the terminal device does not receive or transmit, the first signal includes the first group of signals, the second group of signals, the third group of signals and the fourth group of signals, and the transceiver of the first signal is determined according to the first mode
  • the state includes: the terminal equipment does not receive the first group of signals and the third group of signals, and does not send the second group of signals and the fourth group of signals; or, the transceiving state is that the terminal equipment does not receive and does not send, and the first signal includes the third group of signals.
  • the group of signals and the fourth group of signals determine the sending and receiving status of the first signal according to the first mode, including: the terminal device receives the first group of signals and sends the second group of signals based on the target DRX configuration information, and does not receive the third group of signals and does not Send a fourth group of signals; or, the transceiving state is for the terminal device to receive and send based on the target DRX configuration information.
  • the first signal includes a first group of signals, a second group of signals, a third group of signals and a fourth group of signals.
  • a mode determines the transmission and reception status of the first signal, including: the terminal device receives the first group of signals and the third group of signals based on the target DRX configuration information, and sends the second group of signals and the fourth group of signals based on the target DRX configuration information.
  • the method further includes: receiving target DRX configuration information.
  • determining the transceiving status of the first signal according to the first mode includes: determining the transceiving status of the first signal in a first time period, and the first time period is based on the RRC signal. order instructions.
  • the terminal device determines the transmission and reception status of the first signal on the primary cell Pcell and/or the secondary cell Scell.
  • the first information is carried in the media access control element MAC-CE or the downlink control information DCI, and the MAC CE or the DCI is carried in the physical downlink of multicast or broadcast. channel.
  • this application provides a signal transmission method, applied to access network equipment, including: sending first information, the first information indicates a first mode, the first mode indicates the transceiving status of the first signal, and the transceiving status includes the following Any of the sending and receiving states: sending, receiving, not sending, not receiving.
  • the access network device indicates the first mode to the terminal device by sending the first information to the terminal device, so that the terminal device determines the sending and receiving status of the first signal based on the first mode, so that the access network device
  • the sending and receiving status between the device and the terminal device is consistent, which provides a prerequisite for the access network device and the terminal device to enter deep sleep, which helps the access network device and the terminal device to achieve deep sleep to further reduce power consumption.
  • the first signal includes at least one of the following sets of signals: the first set of signals includes at least one of the following signals: Cell Wireless Network Temporary Identity Scrambled Physical Downlink Control Channel PDCCH , the PDCCH scrambled by the uplink power control information of the physical uplink control channel, and the dynamically scheduled physical downlink shared channel PDSCH; the second group of signals includes at least one of the following signals: hybrid automatic repeat request of the dynamically scheduled physical downlink shared channel Acknowledgment, aperiodic sounding reference signal SRS, periodic SRS, semi-static SRS; the third group of signals includes at least one of the following signals: synchronization signal block, beam failure recovery, semi-static scheduled physical downlink data channel;
  • the four groups of signals include at least one of the following signals: authorized physical uplink shared channel, hybrid automatic repeat request confirmation of semi-statically scheduled physical downlink shared channel, scheduling request, and physical random access channel.
  • the sending includes any one of the following: sending based on target discontinuous reception DRX configuration information configured by the base station for the terminal device, sending based on Radio Resource Control RRC configuration information Sending is based on dynamic scheduling information; the receiving includes any one of the following: receiving based on the target DRX configuration information, receiving based on the RRC configuration information, or receiving based on the dynamic scheduling information.
  • the transceiving state is that the terminal device transmits and receives based on RRC configuration information or dynamic scheduling information
  • the first signal includes a first group of signals, a second group of signals, and a third group of signals.
  • the method further includes: the access network device transmits the first group of signals and the third group of signals based on the RRC configuration information or dynamic scheduling information, and receives the second group of signals and the fourth group of signals based on the RRC configuration information or dynamic scheduling information.
  • the fourth group of signals; or, the transceiving state is that the terminal device does not receive or transmit, and the first signal includes the first group of signals, the second group of signals, the third group of signals, and the fourth group of signals.
  • the method also includes: access The network equipment does not send the first group of signals and the third group of signals, and does not receive the second group of signals and the fourth group of signals; or, the transceiving state is that the terminal equipment does not receive and does not send, and the first signal includes the third group of signals and the fourth group of signals.
  • the method further includes: the access network device sends the first group of signals and receives the second group of signals based on the target DRX configuration information, and does not send the third group of signals and does not Receive a fourth group of signals; or, the transceiving state is for the terminal device to receive and send based on the target DRX configuration information.
  • the first signal includes a first group of signals, a second group of signals, a third group of signals and a fourth group of signals.
  • the method further It includes: the access network device sends a first set of signals and a third set of signals based on target DRX configuration information, and receives a second set of signals and a fourth set of signals based on the target DRX configuration information.
  • the method further includes: sending target DRX configuration information.
  • the method further includes: sending RRC signaling, the RRC signaling carries information indicating a first time period, and the first time period indicates the first time period.
  • the duration of the sending and receiving state of a signal is not limited to: sending RRC signaling, the RRC signaling carries information indicating a first time period, and the first time period indicates the first time period.
  • the access network device sends the first information on the primary cell Pcell and/or the secondary cell Scell of the terminal device.
  • the first information is carried in the media access control element MAC-CE or the downlink control information DCI, and the MAC CE or DCI is carried in the physical downlink of multicast or broadcast. channel.
  • the present application provides a signal transmission device, which is applied to terminal equipment.
  • the device includes: a transceiver module, configured to receive first information, the first information indicates a first mode, the first mode indicates a transceiver state of the first signal, the transceiver state includes any of the following transceiver states: One: sending, receiving, not sending, not receiving; a processing module, used to determine the sending and receiving status of the first signal according to the first mode.
  • the first signal includes at least one of the following sets of signals: the first set of signals includes at least one of the following signals: Cell Wireless Network Temporary Identity Scrambled Physical Downlink Control Channel PDCCH , the PDCCH scrambled by the uplink power control information of the physical uplink control channel, and the dynamically scheduled physical downlink shared channel PDSCH; the second group of signals includes at least one of the following signals: hybrid automatic repeat request of the dynamically scheduled physical downlink shared channel Acknowledgment, aperiodic sounding reference signal SRS, periodic SRS, semi-static SRS; the third group of signals includes at least one of the following signals: synchronization signal block, beam failure recovery, semi-static scheduled physical downlink data channel;
  • the four groups of signals include at least one of the following signals: authorized physical uplink shared channel, hybrid automatic repeat request confirmation of semi-statically scheduled physical downlink shared channel, scheduling request, and physical random access channel.
  • the sending includes any one of the following: sending based on target discontinuous reception DRX configuration information configured by the access network device for the terminal device, sending based on Radio Resource Control RRC configuration information Transmitting is performed based on dynamic scheduling information; the receiving includes any one of the following: receiving based on the target DRX configuration information, receiving based on the RRC configuration information, and receiving based on the dynamic scheduling information.
  • the transceiving state is that the terminal device transmits and receives based on RRC configuration information or dynamic scheduling information
  • the first signal includes the first group of signals, the second group of signals, the third group of signals, and the first group of signals. group of signals and a fourth group of signals.
  • the processing module is specifically configured to: the terminal device receives the first group of signals and the third group of signals based on RRC configuration information or dynamic scheduling information, and sends the third group of signals based on the RRC configuration information or dynamic scheduling information.
  • the second group of signals and the fourth group of signals; or, the transceiving state is that the terminal device does not receive or transmit, the first signal includes the first group of signals, the second group of signals, the third group of signals and the fourth group of signals, the processing module Specifically used: the terminal equipment does not receive the first group of signals and the third group of signals, and does not send the second group of signals and the fourth group of signals; or, the transceiving state is that the terminal equipment does not receive and does not send, and the first signal includes For the third group of signals and the fourth group of signals, the processing module is specifically configured to: the terminal device receives the first group of signals and sends the second group of signals based on the target DRX configuration information, and does not receive the third group of signals and does not send the fourth group of signals; Alternatively, the transceiving state is for the terminal device to receive and send based on the target DRX configuration information.
  • the first signal includes a first group of signals, a second group of signals, a third group of signals and a fourth group of signals.
  • the processing module is specifically used to:
  • the terminal device is based on the target DRX configuration information.
  • the DRX configuration information receives the first set of signals and the third set of signals, and sends the second set of signals and the fourth set of signals based on the target DRX configuration information.
  • the transceiver module is also used to: receive target DRX configuration information.
  • the processing module is specifically configured to: determine the sending and receiving status of the first signal within a first time period, and the first time period is based on the RRC signaling indication.
  • the terminal device determines the sending and receiving status of the first signal on the primary cell Pcell and/or the secondary cell Scell.
  • the first information is carried in the media access control element MAC-CE or the downlink control information DCI, and the MAC CE or DCI is carried in the physical downlink channel of multicast or broadcast.
  • this application provides a signal transmission device, which is applied to access network equipment.
  • the installation The configuration includes: a transceiver module for sending first information, the first information indicates a first mode, the first mode indicates a transceiver state of the first signal, the transceiver state includes any one of the following transceiver states: sending, receiving, not sending. , not accepted.
  • the first signal includes at least one of the following sets of signals: the first set of signals includes at least one of the following signals: Cell Radio Network Temporary Identity Scrambled Physical Downlink Control Channel PDCCH , the PDCCH scrambled by the uplink power control information of the physical uplink control channel, and the dynamically scheduled physical downlink shared channel PDSCH; the second group of signals includes at least one of the following signals: hybrid automatic repeat request of the dynamically scheduled physical downlink shared channel Acknowledgment, aperiodic sounding reference signal SRS, periodic SRS, semi-static SRS; the third group of signals includes at least one of the following signals: synchronization signal block, beam failure recovery, semi-static scheduled physical downlink data channel;
  • the four groups of signals include at least one of the following signals: authorized physical uplink shared channel, hybrid automatic repeat request confirmation of semi-statically scheduled physical downlink shared channel, scheduling request, and physical random access channel.
  • the sending includes any of the following: sending based on the target discontinuous reception DRX configuration information configured by the access network device for the terminal device, sending based on the Radio Resource Control RRC configuration information , transmitting based on dynamic scheduling information; receiving includes any of the following: receiving based on the target DRX configuration information, receiving based on RRC configuration information, and receiving based on dynamic scheduling information.
  • the transceiving state is that the terminal device transmits and receives based on RRC configuration information or dynamic scheduling information
  • the first signal includes a first group of signals, a second group of signals, and a third group of signals. and a fourth group of signals.
  • the transceiver module is also configured to: the access network device sends the first group of signals and the third group of signals based on the RRC configuration information or dynamic scheduling information, and receives the second group of signals and the fourth group of signals based on the RRC configuration information or dynamic scheduling information.
  • the fourth group of signals; or, the transceiving state is that the terminal device does not receive or transmit.
  • the first signal includes the first group of signals, the second group of signals, the third group of signals and the fourth group of signals.
  • the transceiver module is also used for: access The network equipment does not send the first group of signals and the third group of signals, and does not receive the second group of signals and the fourth group of signals; or, the transceiving state is that the terminal equipment does not receive and does not send, and the first signal includes the third group of signals and the fourth group of signals.
  • the transceiver module is also configured to: the access network equipment sends the first group of signals and receives the second group of signals based on the target DRX configuration information, and does not send the third group of signals and does not receive the fourth group of signals;
  • the transceiver state is for the terminal device to receive and send based on the target DRX configuration information.
  • the first signal includes a first group of signals, a second group of signals, a third group of signals and a fourth group of signals.
  • the transceiver module is also used for: access network equipment The first set of signals and the third set of signals are sent based on the target DRX configuration information, and the second set of signals and the fourth set of signals are received based on the target DRX configuration information.
  • the transceiver module is also used to: send target DRX configuration information.
  • the transceiver module is further configured to: send RRC signaling, the RRC signaling carries information indicating a first time period, and the first time period indicates the transmission and reception of the first signal. The duration of the state.
  • the access network device sends the first information on the primary cell Pcell and/or the secondary cell Scell of the terminal device.
  • the first information is carried in the media access control element MAC-CE or the downlink control information DCI, and the MAC CE or DCI is carried in the physical downlink channel of multicast or broadcast.
  • this application provides a communication system, including the devices described in the third and fourth aspects.
  • the present application provides a signal transmission device, including: a memory and a processor; the memory is used to store program instructions; the processor is used to call the program instructions in the memory to execute the first aspect or the second aspect.
  • the present application provides a signal transmission device, including: a memory and a processor; the memory is used to store program instructions; the processor is used to call the program instructions in the memory to execute the first aspect or the second aspect. Aspects or methods described in any of the possible implementations.
  • the present application provides a computer-readable medium that stores program code for computer execution.
  • the program code includes a method for executing the first aspect or the second aspect, or any one of them possible. Instructions that implement the method described in the way.
  • the present application provides a computer program product.
  • the computer program product includes computer program code.
  • the computer program code When the computer program code is run on a computer, the computer implements the first aspect or the second aspect or any of the possible implementation methods.
  • FIG. 1 is a structural schematic diagram of the communication system provided by this application.
  • FIG. 2 is a structural schematic diagram of the DRX configuration provided by this application.
  • Figure 3 is a schematic flowchart of a signal transmission method provided by an embodiment of the present application.
  • Figure 4 is a schematic structural diagram of a first information indication method provided by an embodiment of the present application.
  • Figure 5 is a structural schematic diagram of a first information indication method provided by another embodiment of the present application.
  • Figure 6 is a schematic structural diagram of a signal transmission device provided by an embodiment of the present application.
  • Figure 7 is a schematic structural diagram of a signal transmission device provided by another embodiment of the present application.
  • the communication system includes an access network device 101 and a terminal device 102.
  • the access network device 101 may be any device with wireless transceiver functions.
  • the equipment includes but is not limited to: evolved NodeB (evolved NodeB, eNB or eNodeB), wireless network controller (radio network controller, RNC), Node B (Node B, NB), base station controller (base stationcontroller, BSC) , base transceiver station (BTS), home base station (e.g., homeevolved NodeB, or home Node B, HNB), base band unit (BBU), wireless fidelity (WIFI) system Access point (AP), wireless relay node, wireless backhaul node, transmission point (TP) or transmission and reception point (TRP), etc.
  • 5G such as NR, A gNB in the system, or a transmission point (TRP or TP), one or a group (including multiple antenna panels) of antenna panels of a base station in a 5G system, or it can also be a network node that constitutes a gNB or transmission point, such as Baseband
  • gNB may include centralized units (CUs) and DUs.
  • the gNB may also include a radio unit (RU).
  • CU implements some functions of gNB
  • DU implements some functions of gNB.
  • CU implements radio resource control (RRC), packet data convergence protocol (PDCP) layer functions
  • RLC wireless chain Radio link control
  • MAC media access control
  • PHY physical
  • the network device may be a CU node, a DU node, or a device including a CU node and a DU node.
  • the CU can be divided into network equipment in the access network (radio access network, RAN), or the CU can be divided into network equipment in the core network (core network, CN), which is not limited in this application.
  • the terminal device 102 may be a device that provides voice and/or data connectivity to a user, such as a handheld device, a vehicle-mounted device, etc. with wireless connectivity capabilities.
  • Terminal equipment can also be called user equipment (UE), access terminal (access terminal), user unit (user unit), user station (user station), mobile station (mobile station), mobile station (mobile), Remote station, remote terminal, mobile equipment, user terminal, wireless telecom equipment, user agent, user equipment or user device.
  • UE user equipment
  • access terminal access terminal
  • user unit user unit
  • user station user station
  • mobile station mobile station
  • Remote station remote terminal, mobile equipment, user terminal, wireless telecom equipment, user agent, user equipment or user device.
  • the terminal device can be a station (STA) in a wireless local area network (WLAN), a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (wireless local) loop (WLL) stations, personal digital assistant (PDA) devices, handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, and next-generation communication systems ( For example, terminals in the fifth-generation (5G) communication network) or terminal equipment in the future evolved public land mobile network (public land mobile network, PLMN) network, etc. Among them, 5G can also be called new radio (new radio, NR).
  • 5G fifth-generation
  • NR new radio
  • the terminal device may also be a terminal device that often works on the ground, such as a vehicle-mounted device.
  • the chip deployed in the above-mentioned device, or the chip may also be called a terminal device.
  • terminal equipment and UE can be interchanged, and the terms base station and access network equipment can also be interchanged. exchange.
  • the access network equipment and the terminal equipment can communicate through the licensed spectrum, the unlicensed spectrum, or the licensed spectrum and the unlicensed spectrum at the same time.
  • the access network equipment and the terminal equipment can communicate through the spectrum below 6 gigahertz (GHZ), they can also communicate through the spectrum above 6 GHZ, and they can also use the spectrum below 6 GHZ and the spectrum above 6 GHZ at the same time. communication.
  • GHZ gigahertz
  • the embodiments of this application do not limit the spectrum resources used between the access network equipment and the terminal equipment.
  • the number of terminal devices shown in Figure 1 is only an example. In the actual process, the number of terminal devices can also be other numbers.
  • the communication system may also include other network elements, for example, it may also include core network equipment, and the access network equipment may be connected to the core network equipment. It should be noted here that the specific forms of network equipment and terminal equipment are not limited in the embodiments of the present application.
  • the terminal device or the access network device includes a hardware layer, an operating system layer running on the hardware layer, and an application layer running on the operating system layer.
  • This hardware layer includes hardware such as central processing unit (CPU), memory management unit (MMU) and memory (also called main memory).
  • the operating system can be any one or more computer operating systems that implement business processing through processes, such as Linux operating system, Unix operating system, Android operating system, iOS operating system or windows operating system, etc.
  • This application layer includes applications such as browsers, address books, word processing software, and instant messaging software.
  • the embodiments of the present application do not specifically limit the specific structure of the execution subject of the method provided by the embodiment of the present application, as long as the program that records the code of the method provided by the embodiment of the present application can be run to provide according to the embodiment of the present application. method to communicate.
  • the execution subject of the method provided by the embodiment of the present application may be a terminal device or a network device, or a functional module in the terminal device or network device that can call a program and execute the program.
  • computer-readable media may include, but are not limited to: magnetic storage devices (e.g., hard disks, floppy disks, tapes, etc.), optical disks (e.g., compact discs (CD), digital versatile discs (DVD)) etc.), smart cards and flash memory devices (e.g. erasable programmable read-only memory (EPROM), cards, sticks or key drives, etc.).
  • the various storage media described herein may represent one or more devices and/or other machine-readable media for storing information.
  • the term "machine-readable medium” may include, but is not limited to, wireless channels and various other media capable of storing, containing and/or carrying instructions and/or data.
  • DRX discontinuous reception
  • Scell secondary cell
  • the DRX mechanism is to configure a DRX cycle for the terminal device in the radio resource control (RRC) connected state.
  • the DRX cycle consists of "on Duration” and “Opportunity for DRX”: During the "on Duration” period, the terminal device detects and receives the physical downlink control channel (PDCCH) ; During the "DRX opportunity” period, the terminal equipment does not detect PDCCH to save power consumption.
  • RRC radio resource control
  • the “duration” time period is also called the activation time period
  • the "DRX opportunity” time period is also called the deactivation time period.
  • Figure 2 is a schematic diagram of the DRX basic model provided by this application.
  • the terminal equipment in the RRC connected state periodically enters the activation time period and the deactivation time period.
  • the terminal equipment performs PDCCH detection, and when the terminal equipment enters the deactivation time During this period, the terminal equipment no longer detects the PDCCH, that is, the terminal equipment does not need to be in a state of detecting the PDCCH all the time, thereby achieving the purpose of reducing terminal power consumption.
  • the base station sends DRX configuration information to the terminal device, so that the terminal device enters the activation mode within a specified time period based on the DRX configuration information, and enters the deactivation mode at the rest of the time to achieve sleep under the DRX mechanism.
  • the DRX configuration mainly includes the following parameters:
  • Activation timer (on Duration Timer): It can be understood as a continuous number of downlink subframes, indicating the time that the terminal device can maintain after waking up. Within this number of consecutive downlink subframes, the terminal device needs to listen to the physical downlink control channel.
  • DRX inactivity timer (DRX-Inactivity Timer): It can also be understood as a continuous number of downlink subframes.
  • the DRX inactivation timer is started when the terminal device successfully demodulates the first symbol after the reception of the PDCCH that schedules the new transmission (uplink or downlink) of the terminal device, indicating that the corresponding MAC receives a PDCCH indicating a new transmission.
  • the length of time to monitor PDCCH is also required. That is to say, it is necessary to continue to monitor the physical downlink control channel during the timing period of the DRX inactivation timer.
  • DCI Downlink control information
  • PDSCH physical downlink shared control channel
  • SPS downlink semi-persistent scheduling
  • the terminal equipment will start the downlink at the starting moment of the first symbol after the end symbol of the physical uplink control channel (PUCCH) that carries the feedback information "ACK/NACK" of the PDSCH transmission.
  • PUCCH physical uplink control channel
  • HARQ-RTT-Timer and stop the downlink DRX retransmission timer; when the downlink HARQ-RTT-Timer ends and the terminal device does not successfully receive the PDSCH transmission, start the downlink DRX retransmission timer. If the terminal device successfully receives the PDSCH transmission, then Do not start the downlink Retransmission Timer.
  • RTT round trip time
  • DRX–Retransmission Timer uplink DRX retransmission timer
  • the terminal equipment is considered to be in the activation period in any of the following situations; otherwise, it is considered to be in the deactivation period: activation time timer, DRX inactivation timer, downlink DRX retransmission timer, uplink DRX retransmission timer During the running time of the timer.
  • the terminal device when the terminal device sends a scheduling request and the scheduling request is in the "pending" state, and when the terminal device ends based on the non-contention random access process, the terminal device receives a PDCCH indicating a cell wireless network temporary identifier. When a new scrambled transmission is not successfully received, the terminal device is also considered to be in the activation period.
  • the terminal equipment during the operation of the activation time timer, DRX inactivation timer, downlink DRX retransmission timer, uplink DRX retransmission timer, and when the terminal device sends a scheduling request and the scheduling request is pending In the "pending" state and when the terminal equipment receives a PDCCH indicating that a new transmission scrambled by a cell wireless network temporary identifier has not been successfully received, the terminal equipment is in the time period for PDCCH detection, and in the remaining time periods, the terminal equipment is in a non-stop state.
  • the deactivation period for PDCCH detection is performed to reduce the power consumption of the terminal equipment.
  • the deactivation period may also be referred to as the dormancy period under the DRX mechanism.
  • the Scell sleep mechanism refers to: when there is no data transmission on the SCell, the terminal device enters the sleep state on the Scell (in this application, the Scell that needs to sleep is also called a sleep Scell). When the terminal device enters the sleep state on the dormant Scell, the terminal device does not receive downlink signals or transmit uplink signals except for channel state information (CSI) measurement. It can be seen that in this state, the power consumption of the terminal device is relatively low.
  • CSI channel state information
  • the terminal device still detects the PDCCH relatively frequently, for example, detects the PDCCH in every downlink time slot, and can perform CSI measurement and reporting. It can be seen that in this state, the terminal device consumes relatively large power.
  • the base station implements dormancy of the terminal device on the Scell by sending DCI instructions to the terminal device.
  • the base station can send a DCI indication to the terminal device on the Pcell of the terminal device to instruct the terminal device to sleep on the Scell.
  • the terminal device performs data transmission according to the DCI received on the Pcell. Instructs the Scell to enter the sleep state; when the terminal device has no data transmission requirements on the Scell, the base station can again instruct the terminal device to quickly switch to the non-sleep state on the Scell through the corresponding DCI for scheduling information detection and data transmission. .
  • the terminal device can enter Scell sleep through the DCI indication received by the base station on the Pcell, so that the terminal device does not receive downlink signals or transmit uplink signals except for CSI measurement on the dormant Scell. time period (which may also be called the sleep time period under the Scell sleep mechanism in this application), thereby reducing the power consumption of the terminal device.
  • the terminal equipment may still receive or send some signals during the sleep period under the DRX mechanism.
  • Some of the signals include, for example: synchronization signal block (SSB) ), physical random access channel (physical random access channel, PRACH); 2) system information (SI)/random access (RA)/temporary cell (Temporary cell, TC)/paging (Paging )/Power saving (PS) wireless network temporary identifier (RNTI) scrambled PDCCH; 3) SPS PDSCH; 4) CG PUSCH; 5) HARQ-ACK of SPS PDSCH; 6) SR/BFR .
  • SSB synchronization signal block
  • PRACH physical random access channel
  • SI system information
  • RA random access
  • Temporary cell Temporary cell
  • TC Temporary cell
  • Paging paging
  • PS power saving
  • RNTI wireless network temporary identifier
  • DRX configuration is configured through RRC signaling, and the time between two RRC reconfigurations is long, resulting in poor flexibility in DRX configuration.
  • the terminal device may still transmit some signals during the sleep period of the Scell. For example, the base station will still send SSB on the Scell.
  • the terminal Even if the device is instructed to sleep on the Scell, it must continue to detect SSB on the sleeping Scell.
  • the terminal device when the terminal device is in the sleep period under the Scell sleep mechanism, the terminal device is not truly sleeping. As a result, the base station cannot turn off the transmission of the above-mentioned SSB signal, making it impossible to achieve deep sleep of the terminal equipment and the base station.
  • the terminal device when the terminal device is in the sleep period, the terminal device does not truly sleep.
  • the base station cannot truly sleep, so it cannot go further. Reduce the power consumption of terminal equipment or base station.
  • embodiments of the present application provide a signal transmission method and device.
  • FIG 3 is a schematic flowchart of a signal transmission method provided by an embodiment of the present application. As shown in Figure 3, the signal transmission method includes: S301 and S302.
  • the access network device sends the first information to the terminal device, and accordingly, the terminal device receives the first information; wherein the first information indicates the first mode, and the first mode indicates the transceiver status of the first signal, and the transceiver status includes Any of the following sending and receiving states: sending, receiving, not sending, not receiving.
  • S302 Determine the sending and receiving status of the first signal according to the first mode.
  • the access network device may carry the first information in MAC-CE or DCI and send it to the terminal device.
  • the first information can be received on the Pcell, the first information can be received on the Scell, or the first information can be received on the Pcell and the Scell at the same time, which does not constitute a limitation of this application.
  • the first signal described in this application may include at least one group of signals among the first group of signals, the second group of signals, the third group of signals and the fourth group of signals:
  • the first group of signals includes any one or more of the following signals: cell radio network temporary identifier (C-RNTI) scrambled PDCCH, configured scheduling radio network temporary identifier (configured scheduling radio network temporary identifier, CS-RNTI) scrambled PDCCH, slot format indicators (SFI)-RNTI scrambled PDCCH, INI-RNTI scrambled PDCCH, cancellation indication (Cancellation indication, CI)-RNTI scrambled PDCCH, uplink power control information of the physical uplink control channel (also called TPC-PUCCH)-RNTI scrambled PDCCH, uplink power control information of the physical uplink shared channel (also called TPC-PUSCH-RNTI)-RNTI scrambling PDCCH, dynamically scheduled physical downlink shared channel, uplink power control information of channel sounding reference signal (also called TPC-SRS)-RNTI scrambled PDCCH, Availability indication (AI)-RNTI scrambled PDCCH.
  • C-RNTI cell radio
  • the second type of group of signals includes any one or more of the following signals: hybrid automatic repeat request acknowledgment of the dynamically scheduled physical downlink shared channel (also called HARQ-ACK of the dynamically scheduled PDSCH), aperiodic sounding reference signals (A-SRS), periodic sounding reference signal (P-SRS), semi-static sounding reference signal (SP-SRS), aperiodic channel state information (A-SRS), periodic channel state information (P-SRS) ), semi-static channel state information (SP-SRS), dynamic grant (DG) PUSCH.
  • A-SRS aperiodic sounding reference signals
  • P-SRS periodic sounding reference signal
  • SP-SRS semi-static sounding reference signal
  • A-SRS aperiodic channel state information
  • P-SRS periodic channel state information
  • SP-SRS semi-static channel state information
  • DG dynamic grant
  • the third group of signals includes any one or more of the following signals: SSB, BFR, semi-statically scheduled physical downlink data channel (SPS PDSCH), system information (SI)/random access (RA) )/Temporary cell (TC)/Paging/Power saving (PS)-RNTI scrambled PDCCH.
  • SPS PDSCH semi-statically scheduled physical downlink data channel
  • SI system information
  • RA random access
  • TC Temporary cell
  • PS Power saving
  • the fourth group of signals includes any one or more of the following signals: licensed physical uplink shared channel (CG PUSCH), half Hybrid automatic repeat request acknowledgment (HARQ-ACK of SPS PDSCH), scheduling request (SR), and physical random access channel (PRACH) of the statically scheduled physical downlink shared channel.
  • CG PUSCH licensed physical uplink shared channel
  • HARQ-ACK of SPS PDSCH half Hybrid automatic repeat request acknowledgment
  • SR scheduling request
  • PRACH physical random access channel
  • the first group of signals and the third group of signals are both downlink signals
  • the second group of signals and the fourth group of signals are both uplink signals
  • both the first group of signals and the second group of signals are affected by Impact of DRX configuration. Therefore, in this application, in order to facilitate signal differentiation, the first group of signals is also called the first type of downlink signals
  • the second group of signals is also called the first type of uplink signals
  • the third group of signals is also called The second type of downlink signals and the fourth group of signals are also called second type of uplink signals.
  • the first type of signal (including the first type of downlink signal and the first type of uplink signal) is affected by the DRX configuration.
  • the access network equipment side and the terminal equipment side will only activate at the activation time indicated by the DRX configuration.
  • the first type of signal is transmitted during the deactivation period, and the first type of signal is not transmitted during the deactivation period, so it is also called a signal that the DRX configuration can manage.
  • the second type of signal it can be considered as a signal that is not affected by the DRX configuration.
  • the transmission and reception state of the first signal includes any one of the following transmission and reception states: sending, receiving, not sending, and not receiving.
  • sending includes any of the following: sending based on the target discontinuous reception DRX configuration information configured by the base station for the terminal device, sending based on RRC configuration information, and sending based on dynamic scheduling information; and receiving includes any of the following: based on the target DRX configuration information is received, RRC configuration information is received, and dynamic scheduling information is received.
  • the first signal is an uplink signal
  • the access network device it refers to receiving the first signal
  • the terminal device it refers to sending the first signal
  • the first signal When it is a downlink signal, for the access network device, it refers to sending the first signal, and for the terminal device, it refers to receiving the first signal.
  • the network device indicates a mode (ie, the first mode) to the terminal device through the first information.
  • the first mode is one of multiple modes, and different modes among the multiple modes indicate different transmitting and receiving states of the first signal.
  • the first information can be set to different values to indicate that the first mode is different, so that the indicated sending and receiving status of the first signal is different, or in other words, when sending to When the content of the first information of the terminal device is different, the indicated first mode is different.
  • the modes indicated by the terminal device may include the following modes, and the first mode is any one of the following modes:
  • the first mode indicates that the first signal includes the first group of signals, the second group of signals, the third group of signals and the fourth group of signals.
  • the sending and receiving status of the first signal is that the terminal device transmits and receives the signal based on RRC configuration information or dynamic scheduling information. take over.
  • the access device when the transmission and reception status of the first signal indicated by the first mode is such a situation, the access device will send the first group of signals and the third group of signals based on the RRC configuration information or dynamic scheduling information, and based on the RRC configuration information or dynamic scheduling information to receive the second group of signals and the fourth group of signals; accordingly, the terminal device will receive the first group of signals and the third group of signals based on the RRC configuration information or dynamic scheduling information, and based on the RRC configuration information or dynamic scheduling information A second set of signals and said fourth set of signals are transmitted.
  • the access device still sends the first set of signals and the third set of signals based on the RRC configuration information or dynamic scheduling information; accordingly, the terminal device The first group of signals and the third group of signals are still received based on the RRC configuration information or dynamic scheduling information. That is to say, in the first mode, if the terminal device is configured with a DRX configuration, the DRX configuration is also ignored (that is, the DRX configuration is invalid for the first type of signal, and the first type of signal is no longer sent according to the DRX configuration. or receiving), but based on the transceiver status of the first signal indicated by the first mode.
  • the access network equipment can perform convergence scheduling.
  • the service load is relatively light, since the service of each terminal equipment can tolerate a certain delay, the access network equipment All signals can be gathered together and scheduled to enter deep sleep in the later period.
  • the second mode indicates that the first signal includes the first group of signals, the second group of signals, the third group of signals and the fourth group of signals, and the transceiver status is that the terminal device does not receive or transmit.
  • the access network device does not send the first group of signals and the third group of signals, and does not receive the second group of signals and the fourth group of signals. signals; accordingly, the terminal device does not receive the first group of signals and the third group of signals, and does not send the second group of signals and the fourth group of signals.
  • the access device still does not send the first set of signals and does not receive the second set of signals; accordingly, the terminal device still does not receive the first set of signals. group signal and does not send the second group signal. That is to say, in the first mode, if the terminal device is configured with a DRX configuration, the DRX configuration is also ignored (i.e., the DRX The configuration is invalid for the first type of signal, and the first type of signal is no longer transmitted or received according to the DRX configuration), but is based on the transmission and reception status of the first signal indicated by the first mode.
  • the access network device turns off all signals, so the access network device can enter deep sleep, and after notifying the terminal device, the terminal device can also enter deep sleep.
  • the third mode indicates that the first signal includes the third group of signals and the fourth group of signals, and the transceiver status is that the terminal device does not receive or transmit.
  • the access network device sends the first set of signals and receives the second set of signals based on the target DRX configuration information, and does not send the third set of signals. group of signals and does not receive the fourth group of signals; accordingly, the terminal device receives the first group of signals and sends the second group of signals based on the target DRX configuration information, and does not receive the third group of signals and does not send the fourth group of signals.
  • the access network device turns off signals that are not affected by the DRX configuration. In this way, the terminal device can only send or receive signals during the activation time period indicated by the DRX configuration.
  • the access network equipment can really sleep during the inactive time period, otherwise the access network equipment still has to wake up from the inactive time period.
  • the fourth mode indicates that the first signal includes the first group of signals and the second group of signals, and the transceiving state is that the terminal device does not receive or transmit.
  • the access network device does not send the first set of signals and does not receive the second set of signals, and based on the RRC configuration information or dynamic scheduling information Send a third group of signals and receive a fourth group of signals; accordingly, the terminal device does not receive the first group of signals and does not send the second group of signals, and receives the third group of signals and sends the fourth group of signals based on the RRC configuration information or dynamic scheduling information. Signal.
  • the access device still does not send the first set of signals and does not receive the second set of signals; accordingly, the terminal device still does not receive the first set of signals. group signal and the third group signal. That is to say, in the first mode, if the terminal device is configured with a DRX configuration, the DRX configuration is also ignored (that is, the DRX configuration is invalid for the first type of signal, and the first type of signal is no longer sent according to the DRX configuration. or receiving), but based on the transceiver status of the first signal indicated by the first mode.
  • the access network device shuts down the first type of signals that were originally affected by the DRX configuration. In this way, after the shutdown, if there is no other version of the statically configured signal to send and receive, only With dynamic signals, when there is no actual service, both the access network equipment and the terminal equipment can go into deep sleep in both directions, otherwise they have to wake up periodically according to the DRX configuration.
  • the fifth mode indicates that the first signal includes the first group of signals, the second group of signals, the third group of signals and the fourth group of signals, and the transceiver status is that the terminal device receives and sends based on the target DRX configuration information.
  • the access network device sends the first set of signals and the third set of signals based on the target DRX configuration information, and receives the first set of signals based on the target DRX configuration information.
  • the second group of signals and the fourth group of signals correspondingly, the terminal device receives the first group of signals and the third group of signals based on the target DRX configuration information, and sends the second group of signals and the fourth group of signals based on the target DRX configuration information.
  • the access network device turns off the second type of signals that are always sent and received without being affected by the DRX configuration into signals that are sent and received based on the DRX configuration.
  • the second type of signal since the second type of signal is turned off and becomes a signal that is sent and received based on the DRX configuration, the terminal equipment and the access network equipment can truly sleep periodically based on the DRX configuration.
  • the sixth mode indicates that the first signal includes a first group of signals and a second group of signals, and the transceiving state is that the terminal device receives the first group of signals and sends the second group of signals based on the target DRX configuration information.
  • the access network device sends the first set of signals and receives the second set of signals based on the target DRX configuration information, and based on the RRC configuration information or
  • the dynamic scheduling information sends a third group of signals and receives a fourth group of signals; accordingly, the terminal device receives the first group of signals and sends the second group of signals based on the target DRX configuration information, and receives the third group of signals based on the RRC configuration information or dynamic scheduling information. Signal and send the fourth set of signals.
  • more modes can be set, wherein the more modes, for example, only act on downlink signals (that is, include the first group of signals and the third group of signals). three groups of signals); or, for example, the more modes only act on uplink signals (that is, including the second group of signals and the fourth group of signals), etc.
  • the access network device indicates the transceiver status of the first signal by sending the first information to the terminal device, so that the transceiver status between the access network device and the terminal device remains consistent, thereby providing access It provides a prerequisite for network equipment and terminal equipment to enter deep sleep, which helps access network equipment and terminal equipment to achieve deep sleep to further reduce power consumption.
  • the access network device may send the first information in a multicast or broadcast manner. That is, the access network device only sends PDCCH or PDSCH on a certain time-frequency resource, and then all terminal devices receive PDCCH or PDSCH on the same time-frequency resource, and obtain the first mode indicated by their corresponding access network device.
  • the first information sent by the network device may include multiple bits, and then the multiple bits may indicate multiple terminal devices at the same time.
  • the first information consists of two bits, which can indicate 4 different states, and assume that the value of the first bit is 0, and the value of the second bit is 0.
  • the value of the bit is 0, then when terminal device 1 receives the first information, it can be determined that the access network device indicates mode 1, and when terminal device 2 receives the first information, it can be determined that the access network device Mode 4 is indicated, and then terminal device 1 can determine the transmission and reception status of the first signal based on mode 1 for transmission, and terminal device 2 can transmit based on the transmission and reception status of each of the different signals corresponding to mode 4.
  • the same first information may indicate the same mode or different modes for different terminal devices.
  • the first information may include multiple bits, and different bits correspond to different terminal devices, and different values of the bits corresponding to each terminal device indicate different modes.
  • FIG. 5 is a schematic structural diagram of an indication method provided by another embodiment of the present application.
  • Figure 5 takes three terminal devices as an example for illustration.
  • terminal device 1 corresponds to the first bit and the second bit in the first information
  • terminal device 2 corresponds to the third bit and fourth bit in the first information
  • the terminal device 3 corresponds to the fifth bit and the sixth bit in the first information.
  • the access network device sends the first information
  • the terminal device 1 receives the first information
  • the terminal device 2 receives the first information
  • the terminal device 3 receives the first information, it can be determined that the network device indicates mode 3.
  • the non-reception or non-sending of the first signal described above in this application refers to a period of time or is triggered by the first information.
  • the terminal device when the terminal device receives the first information for a period of time, the terminal device receives another first information. In this case, the communication between the terminal device and the access network device is based on the new first information.
  • the indicated new mode (that is, the indicated new first signal sending and receiving state) is used for communication.
  • the first information sent by the access network equipment to the terminal equipment indicates the second mode described in the embodiment shown in Figure 3.
  • the access network equipment After a period of time, the access network equipment sends a new third information to the terminal equipment. a piece of information, and the new first information indicates the fifth mode described in the embodiment shown in Figure 3, then, after the terminal device receives the new first information, it communicates with the access network device based on the third mode.
  • the five modes indicate the transceiver status of the first signal for communication.
  • the access network device may also send RRC signaling to the terminal device, where the RRC signaling carries information indicating a first time period, and the first time period indicates the continuation of the sending and receiving state of the first signal. time.
  • the access network device after the access network device sends the first information to the terminal device, it starts timing, and returns to the default mode after the time exceeds the time period indicated by the first time period.
  • the default mode is that the first type of signal is received or sent based on DRX configuration, and the second type of signal is received or sent based on RRC configuration information or dynamic scheduling information.
  • the first information should not be affected by the DRX configuration. That is to say, even in the inactive period indicated by the DRX configuration, the first information sent by the access network device can be received by the terminal device.
  • the first signal when the first information is used to indicate the transmission and reception status of the first signal, can be a signal on Pcell or a signal on Scell, which does not constitute a limitation of this application.
  • the time when the terminal device actually enters the sending and receiving state of the first signal in the first mode may be: when the terminal equipment processes the PDCCH or PDSCH; or, after the terminal equipment processes the PDCCH or PDSCH and sends ACK or NACK to the access network equipment; or, based on the effective time configured by higher layer signaling; or, after Configured target DRX configuration Set the already running DRX timer to finish running; or, effective immediately, turn off all running DRX timers.
  • the signal transmission method according to the embodiment of the present application is described in detail above with reference to FIGS. 3 to 5 .
  • the signal transmission device according to the embodiment of the present application will be described in detail below with reference to FIGS. 6 to 7 .
  • Figure 6 is a schematic structural diagram of a signal transmission device provided by an embodiment of the present application. Specifically, as shown in Figure 6, the device 600 includes: a transceiver module 601 and a processing module 602.
  • the signal transmission device 600 can be applied to terminal equipment.
  • the transceiver module 601 is used to receive the first information, the first information indicates a first mode, the first mode indicates the transceiver state of the first signal, the transceiver state includes any one of the following transceiver states: Send, receive, not send, not receive; the processing module 903 is used to determine the sending and receiving status of the first signal according to the first mode.
  • the first signal includes at least the following set of signals: the first set of signals includes at least one of the following signals: physical downlink control channel PDCCH scrambled by cell wireless network temporary identifier, physical uplink control channel PDCCH scrambled with uplink power control information, dynamically scheduled physical downlink shared channel PDSCH; the second group of signals includes at least one of the following signals: hybrid automatic repeat request confirmation of dynamically scheduled physical downlink shared channel, aperiodic Sounding reference signal SRS, periodic SRS, semi-static SRS; the third group of signals includes at least one of the following signals: synchronization signal block, beam failure recovery, semi-static scheduled physical downlink data channel; the fourth group of signals includes the following At least one of the signals: authorized physical uplink shared channel, hybrid automatic repeat request confirmation of semi-statically scheduled physical downlink shared channel, scheduling request, and physical random access channel.
  • the second group of signals includes at least one of the following signals: hybrid automatic repeat request confirmation of dynamically scheduled physical downlink shared channel, aperiodic Sounding reference signal SRS,
  • the sending includes any of the following: sending based on target discontinuous reception DRX configuration information configured by the base station for the terminal device, sending based on Radio Resource Control RRC configuration information, sending based on dynamic scheduling information is sent;
  • the receiving includes any one of the following: receiving based on the target DRX configuration information, receiving based on the RRC configuration information, or receiving based on the dynamic scheduling information.
  • the transceiving state is that the terminal device transmits and receives based on RRC configuration information or dynamic scheduling information
  • the first signal includes the first group of signals, the second group of signals, the third group of signals and the fourth group of signals.
  • the processing module 602 is specifically configured to: the terminal device receives the first group of signals and the third group of signals based on the RRC configuration information or dynamic scheduling information, and sends the second group of signals and the third group of signals based on the RRC configuration information or dynamic scheduling information.
  • the fourth group of signals or,
  • the transceiving state is that the terminal device does not receive or send.
  • the first signal includes a first group of signals, a second group of signals, a third group of signals and a fourth group of signals.
  • the processing module 602 is specifically used: the terminal device does not receive the first group of signals. group of signals and the third group of signals, and do not send the second group of signals and the fourth group of signals; or,
  • the transceiving state is that the terminal device does not receive or send.
  • the first signal includes a third group of signals and a fourth group of signals.
  • the processing module 602 is specifically configured to: the terminal device receives the first group of signals and sends the second group of signals based on the target DRX configuration information. , and does not receive the third group of signals and does not send the fourth group of signals; or, the transceiving state is that the terminal device receives and sends based on the target DRX configuration information, and the first signal includes the first group of signals, the second group of signals, and the third group of signals. and a fourth group of signals.
  • the processing module 602 is specifically configured to: the terminal device receives the first group of signals and the third group of signals based on the target DRX configuration information, and sends the second group of signals and the fourth group of signals based on the target DRX configuration information.
  • the transceiver module 601 is also configured to receive target DRX configuration information.
  • the processing module 602 is specifically configured to determine the sending and receiving status of the first signal within a first time period, and the first time period is based on the RRC signaling indication.
  • the terminal device determines the sending and receiving status of the first signal on the primary cell Pcell and/or the secondary cell Scell.
  • the first information is carried in a media access control element MAC-CE or downlink control information DCI
  • the MAC CE or DCI is carried in a physical downlink channel of multicast or broadcast.
  • the device 600 can be applied to access network equipment.
  • the transceiver module 601 is used to send the first information.
  • the first information indicates the first mode.
  • the first mode indicates the transceiver status of the first signal.
  • the transceiver status includes any one of the following transceiver statuses: sending, receiving, and not sending. , not accepted.
  • the first signal includes at least one of the following signals: the first group of signals includes: At least one: the physical downlink control channel PDCCH scrambled by the cell wireless network temporary identifier, the PDCCH scrambled by the uplink power control information of the physical uplink control channel, and the dynamically scheduled physical downlink shared channel PDSCH; the second group of signals includes the following signals At least one: dynamically scheduled hybrid automatic repeat request confirmation of the physical downlink shared channel, aperiodic sounding reference signal SRS, periodic SRS, semi-static SRS; the third group of signals includes at least one of the following signals: synchronization Signal block, beam failure recovery, semi-statically scheduled physical downlink data channel; the fourth group of signals includes at least one of the following signals: authorized physical uplink shared channel, hybrid automatic repeat request confirmation of semi-statically scheduled physical downlink shared channel , scheduling request, physical random access channel.
  • the first group of signals includes: At least one: the physical downlink control channel PDCCH scrambled by the cell wireless network temporary identifier, the P
  • the sending includes any of the following: sending based on the target discontinuous reception DRX configuration information configured by the base station for the terminal device, sending based on the radio resource control RRC configuration information, and sending based on the dynamic scheduling information;
  • Reception includes any of the following: receiving based on the target DRX configuration information, receiving based on RRC configuration information, or receiving based on dynamic scheduling information.
  • the transceiving state is that the terminal device transmits and receives based on RRC configuration information or dynamic scheduling information.
  • the first signal includes a first group of signals, a second group of signals, a third group of signals, and a fourth group of signals.
  • the transceiver module 601 is also configured to: the access network device sends the first group of signals and the third group of signals based on the RRC configuration information or dynamic scheduling information, and receives the second group of signals and the fourth group of signals based on the RRC configuration information or the dynamic scheduling information. ;or,
  • the transceiver state is that the terminal device does not receive or send.
  • the first signal includes a first group of signals, a second group of signals, a third group of signals and a fourth group of signals.
  • the transceiver module 601 is also used to: the access network equipment does not send the first group of signals. group of signals and the third group of signals, and does not receive the second group of signals and the fourth group of signals; or,
  • the transceiver state is that the terminal device does not receive or send.
  • the first signal includes a third group of signals and a fourth group of signals.
  • the transceiver module 601 is also used to: the access network device sends the first group of signals and receives the second group of signals based on the target DRX configuration information. group of signals, and does not send the third group of signals and does not receive the fourth group of signals; or,
  • the transceiver state is for the terminal device to receive and send based on the target DRX configuration information.
  • the first signal includes a first group of signals, a second group of signals, a third group of signals and a fourth group of signals.
  • the transceiver module 601 is also used to: the access network equipment is based on The target DRX configuration information sends the first set of signals and the third set of signals, and the second set of signals and the fourth set of signals are received based on the target DRX configuration information.
  • the transceiving module 601 is also used to: send target DRX configuration information.
  • the transceiver module 601 is also configured to: send RRC signaling, where the RRC signaling carries information indicating a first time period, and the first time period indicates the duration of the transceiver state of the first signal. .
  • the access network device sends the first information on the primary cell Pcell and/or the secondary cell Scell of the terminal device.
  • the first information is carried in a media access control element MAC-CE or downlink control information DCI
  • the MAC CE or DCI is carried in a physical downlink channel of multicast or broadcast.
  • the above transceiver state also includes other transceiver states, such as the first transceiver state, in which the network device transmits the first signal with the first power, and/or the terminal device transmits the first signal with the first power.
  • the power is used to receive the first signal;
  • the second transceiving state is that the network device uses the second power to send the first signal, and/or the terminal device uses the second power to receive the first signal; Wherein, the first power and the second power are different.
  • the downlink control information DCI carrying the first information is also used to instruct BWP switching, that is, to change the reception status of the first signal through BWP switching.
  • the first BWP corresponds to the first receiving state of the first signal
  • the second BWP corresponds to the second receiving state of the first signal
  • the first receiving state and the second receiving state are different.
  • Figure 7 is a schematic structural diagram of a signal transmission device provided by another embodiment of the present application.
  • the device 700 shown in Figure 7 can be used to perform the method described in any of the aforementioned embodiments.
  • the device 700 in this embodiment includes: a memory 701 , a processor 702 , a communication interface 703 and a bus 704 .
  • the memory 701, the processor 702, and the communication interface 703 realize communication connections between each other through the bus 704.
  • the memory 701 may be a read only memory (ROM), a static storage device, a dynamic storage device or a random access memory (RAM).
  • the memory 701 can store programs. When the program stored in the memory 701 is executed by the processor 702, the processor 702 is used to execute various steps of the methods shown in Figures 3 to 5.
  • the processor 702 can be a general central processing unit (CPU), microprocessor, application specific An integrated circuit (application specific integrated circuit, ASIC), or one or more integrated circuits, is used to execute relevant programs to implement the methods shown in Figures 3 to 5 of this application.
  • CPU central processing unit
  • ASIC application specific integrated circuit
  • the processor 702 may also be an integrated circuit chip with signal processing capabilities. During the implementation process, each step of the method in FIGS. 3 to 5 according to the embodiment of the present application can be completed by instructions in the form of hardware integrated logic circuits or software in the processor 702 .
  • the above-mentioned processor 702 can also be a general-purpose processor, a digital signal processor (digital signal processing, DSP), an application-specific integrated circuit (ASIC), an off-the-shelf programmable gate array (field programmable gate array, FPGA) or other programmable logic devices, Discrete gate or transistor logic devices, discrete hardware components.
  • DSP digital signal processor
  • ASIC application-specific integrated circuit
  • FPGA field programmable gate array
  • a general-purpose processor may be a microprocessor or the processor may be any conventional processor, etc.
  • the steps of the method disclosed in conjunction with the embodiments of the present application can be directly implemented by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other mature storage media in this field.
  • the storage medium is located in the memory 701.
  • the processor 702 reads the information in the memory 701, and combines its hardware to complete the functions required to be performed by the units included in the device of the present application. For example, each step of the embodiment shown in Figures 3 to 5 can be executed. /Function.
  • the communication interface 703 may use, but is not limited to, a transceiver device such as a transceiver to implement communication between the device 700 and other devices or communication networks.
  • Bus 704 may include a path that carries information between various components of device 700 (eg, memory 701, processor 702, communication interface 703).
  • the device 700 shown in the embodiment of the present application may be an electronic device, or may also be a chip configured in the electronic device.
  • the above embodiments may be implemented in whole or in part by software, hardware, firmware, or any other combination.
  • the above-described embodiments may be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions or computer programs. When the computer instructions or computer programs are loaded or executed on the computer, the processes or functions described in the embodiments of the present application are generated in whole or in part.
  • the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices.
  • the computer instructions may be stored in or transmitted from one computer-readable storage medium to another, e.g., the computer instructions may be transferred from a website, computer, server, or data center Transmit to another website, computer, server or data center through wired (such as infrared, wireless, microwave, etc.) means.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server or a data center that contains one or more sets of available media.
  • the available media may be magnetic media (eg, floppy disk, hard disk, tape), optical media (eg, DVD), or semiconductor media.
  • the semiconductor medium may be a solid state drive.
  • At least one refers to one or more, and “plurality” refers to two or more.
  • At least one of the following” or similar expressions thereof refers to any combination of these items, including any combination of a single item (items) or a plurality of items (items).
  • at least one of a, b, or c can mean: a, b, c, a-b, a-c, b-c, or a-b-c, where a, b, c can be single or multiple .
  • the size of the sequence numbers of the above-mentioned processes does not mean the order of execution.
  • the execution order of each process should be determined by its functions and internal logic, and should not be used in the embodiments of the present application.
  • the implementation process constitutes any limitation.
  • the disclosed systems, devices and methods can be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be combined or can be integrated into another system, or some features can be ignored, or not implemented.
  • the coupling or direct coupling or communication connection between each other shown or discussed may be through some interfaces, and the indirect coupling or communication connection of the devices or units may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or they may be distributed to multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present application can be integrated into one processing unit, each unit can exist physically alone, or two or more units can be integrated into one unit.
  • the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium.
  • the technical solution of the present application is essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in various embodiments of this application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory, random access memory, magnetic disk or optical disk and other various media that can store program codes.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente demande concerne un procédé et un appareil de transmission de signal. Le procédé de transmission de signal selon la présente demande comprend les étapes suivantes : un dispositif de réseau d'accès envoie des premières informations à un dispositif terminal, les premières informations indiquant un premier mode, le premier mode indiquant l'état de transmission-réception d'un premier signal, et l'état de transmission-réception comprenant l'un quelconque des états de transmission-réception suivants : étant envoyé, étant reçu, n'étant pas envoyé et n'étant pas reçu ; et de manière correspondante, le dispositif terminal reçoit les premières informations et, ensuite, détermine l'état de transmission-réception du premier signal selon le premier mode. Au moyen du procédé de transmission de signal fourni dans la présente demande, un dispositif de réseau d'accès et un dispositif terminal peuvent mettre en œuvre un sommeil profond pour réduire davantage la consommation d'énergie.
PCT/CN2023/107826 2022-08-12 2023-07-18 Procédé et appareil de transmission de signal WO2024032322A1 (fr)

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CN202210969280.1A CN117641531A (zh) 2022-08-12 2022-08-12 信号传输方法与装置

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