WO2023028924A1 - Procédé et appareil d'indication de validité pour signal de référence - Google Patents

Procédé et appareil d'indication de validité pour signal de référence Download PDF

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Publication number
WO2023028924A1
WO2023028924A1 PCT/CN2021/116050 CN2021116050W WO2023028924A1 WO 2023028924 A1 WO2023028924 A1 WO 2023028924A1 CN 2021116050 W CN2021116050 W CN 2021116050W WO 2023028924 A1 WO2023028924 A1 WO 2023028924A1
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WIPO (PCT)
Prior art keywords
indication information
time period
configuration information
effective
reference signal
Prior art date
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PCT/CN2021/116050
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English (en)
Chinese (zh)
Inventor
刘洋
Original Assignee
北京小米移动软件有限公司
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Filing date
Publication date
Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to PCT/CN2021/116050 priority Critical patent/WO2023028924A1/fr
Priority to CN202180002606.7A priority patent/CN113892297A/zh
Publication of WO2023028924A1 publication Critical patent/WO2023028924A1/fr

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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
    • 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
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618—Space-time coding
    • H04L1/0675—Space-time coding characterised by the signaling
    • H04L1/0693—Partial feedback, e.g. partial channel state information [CSI]
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • 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
    • 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
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • 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 present disclosure relates to the field of communication technologies, and in particular, to a method and device for indicating the validity of a reference signal.
  • the CRS Cell-specific Reference Signal, Cell-specific Reference Signal
  • SSB Synchronization Signal Block
  • PBCH Physical Brocast channel Block
  • TRS Tracking Reference Signal, tracking reference signal
  • CSI-RS Channel State Information-Reference Signal, channel state Information Reference Signal
  • the time-frequency tracking reference signal is a reference signal shared by network equipment to a UE (User Equipment, User Equipment) in a non-connected state.
  • a window is usually set to reduce the system overhead caused by frequent effective indications of effective changes, but this For systems that do not change frequently, additional overhead is added.
  • the embodiment of the first aspect of the present disclosure proposes a validation indication method of a reference signal, the method is executed by a network device, and the method includes: sending validation indication information to a terminal device in a non-connected state, and the validation indication information is used Instructing the terminal device to take effect of the reference signal received within the validity time period corresponding to the validation indication information.
  • the validation indication information is used to indicate that valid time period configuration information for the valid time period is selected from at least one valid time period configuration information.
  • the method further includes: sending the at least one effective time period configuration information to the terminal device.
  • the validation indication information and/or the at least one validation time period configuration information are carried in reference signal configuration information and sent to the terminal device.
  • the at least one effective time period configuration information includes: first effective time period configuration information and at least one second effective time period configuration information;
  • the first effective time period configuration information is used to indicate that all time periods after the receiving time point of the effective indication information are the effective time periods
  • the second effective time period configuration information includes a time length configuration value, which is used to indicate that the time period with the time length configuration value after the receiving time point of the effective indication information is the effective time period.
  • the effective time period is all time periods after the receiving time point of the effective indication information
  • the method further includes: sending failure indication information to the terminal device, where the failure indication information is used to indicate that the reference signal of the terminal device is not effective in all time periods after the time point when the failure indication information is received.
  • the sending the effective indication information to the terminal device in the non-connected state includes:
  • the method further includes: sending window configuration information to the terminal device, where the window configuration information is used to instruct the network device to stop sending the reference signal within a window corresponding to the window configuration information , wherein the window is within the effective time period.
  • the reference signal is a synchronization signal block SSB, a tracking reference signal TRS or a channel state information reference signal CSI-RS.
  • the embodiment of the second aspect of the present disclosure proposes a reference signal validation indication method, the method is executed by a terminal device, and the method includes: receiving validation indication information, where the validation indication information is used to indicate that the terminal device is in the The reference signal received within the validity time period corresponding to the validation indication information takes effect, wherein the terminal device is in a non-connected state.
  • the validation indication information is used to indicate that valid time period configuration information for the valid time period is selected from at least one valid time period configuration information.
  • the method further includes: receiving the at least one effective time period configuration information.
  • the validation indication information and/or the at least one validation time period configuration information are carried in reference signal configuration information and received by the terminal device.
  • the at least one effective time period configuration information includes: first effective time period configuration information and at least one second effective time period configuration information;
  • the first effective time period configuration information is used to indicate that all time periods after the receiving time point of the effective indication information are the effective time periods
  • the second effective time period configuration information includes a time length configuration value, which is used to indicate that the time period with the time length configuration value after the receiving time point of the effective indication information is the effective time period.
  • the effective time period is all time periods after the receiving time point of the effective indication information
  • the method further includes: receiving invalidation indication information, where the invalidation indication information is used to indicate that the reference signal of the terminal device is not effective in all time periods after the receiving time point of the invalidation indication information.
  • the receiving effective indication information includes:
  • the method further includes: receiving window configuration information, where the window configuration information is used to instruct the network device to stop sending the reference signal within a window corresponding to the window configuration information, wherein the The window is within the stated effective time period.
  • the reference signal is a synchronization signal block SSB, a tracking reference signal TRS or a channel state information reference signal CSI-RS.
  • the embodiment of the third aspect of the present disclosure proposes a device for indicating validity of a reference signal.
  • the device includes: a transceiver unit, configured to send validating indication information to a terminal device in an unconnected state, and the validating indicating information is used to indicate that the The reference signal received by the terminal device within the valid time period corresponding to the valid indication information becomes valid.
  • the validation indication information is used to indicate that valid time period configuration information for the valid time period is selected from at least one valid time period configuration information.
  • the transceiving unit is further configured to: send the at least one effective time period configuration information to the terminal device.
  • the validation indication information and/or the at least one validation time period configuration information are carried in reference signal configuration information and sent to the terminal device.
  • the at least one effective time period configuration information includes: first effective time period configuration information and at least one second effective time period configuration information;
  • the first effective time period configuration information is used to indicate that all time periods after the receiving time point of the effective indication information are the effective time periods
  • the second effective time period configuration information includes a time length configuration value, which is used to indicate that the time period with the time length configuration value after the receiving time point of the effective indication information is the effective time period.
  • the effective time period is all time periods after the receiving time point of the effective indication information
  • the transceiver unit is further configured to: send failure indication information to the terminal device, where the failure indication information is used to indicate that the reference signal of the terminal device in all time periods after the receiving time point of the failure indication information is not take effect.
  • the transceiving unit is specifically configured to: send physical layer indication information carrying the validation indication information to the terminal device, where the physical layer indication information is configured by a high layer of the apparatus; or,
  • the transceiver unit is further configured to: send window configuration information to the terminal device, where the window configuration information is used to instruct the apparatus to stop sending the reference within a window corresponding to the window configuration information. signal, wherein the window is within the effective time period.
  • the reference signal is a synchronization signal block SSB, a tracking reference signal TRS or a channel state information reference signal CSI-RS.
  • the embodiment of the fourth aspect of the present disclosure proposes a reference signal validation indication device, the device includes: a transceiver unit, configured to receive validation indication information, and the validation indication information is used to indicate that the device is in the validation indication information The reference signal received within the corresponding valid time period becomes valid.
  • the validation indication information is used to indicate that valid time period configuration information for the valid time period is selected from at least one valid time period configuration information.
  • the transceiving unit is further configured to: receive the at least one effective time period configuration information.
  • the validation indication information and/or the at least one validation time period configuration information are carried in reference signal configuration information and received by the apparatus.
  • the at least one effective time period configuration information includes: first effective time period configuration information and at least one second effective time period configuration information;
  • the first effective time period configuration information is used to indicate that all time periods after the receiving time point of the effective indication information are the effective time periods
  • the second effective time period configuration information includes a time length configuration value, which is used to indicate that the time period with the time length configuration value after the receiving time point of the effective indication information is the effective time period.
  • the effective time period is all time periods after the receiving time point of the effective indication information
  • the transceiver unit is also used for:
  • the invalidation indication information is used to indicate to the apparatus that the reference signal in all time periods after the receiving time point of the invalidation indication information is not valid.
  • the transceiver unit is specifically configured to:
  • the transceiver unit is also used for:
  • Receive window configuration information where the window configuration information is used to instruct the network device to stop sending the reference signal within a window corresponding to the window configuration information, wherein the window is within the effective time period.
  • the reference signal is a synchronization signal block SSB, a tracking reference signal TRS or a channel state information reference signal CSI-RS.
  • the embodiment of the fifth aspect of the present application provides a communication device, the device includes a processor and a memory, a computer program is stored in the memory, and the processor executes the computer program stored in the memory, so that the device The method for indicating the validity of the reference signal described in the embodiment of the first aspect above is executed.
  • the embodiment of the sixth aspect of the present application provides a communication device, the device includes a processor and a memory, a computer program is stored in the memory, and the processor executes the computer program stored in the memory, so that the device Executing the validation indication method of the reference signal described in the second aspect above.
  • the embodiment of the seventh aspect of the present application provides a communication device, the device includes a processor and an interface circuit, the interface circuit is used to receive code instructions and transmit them to the processor, and the processor is used to run the code instructions to make the device
  • the method for indicating the validity of the reference signal described in the first aspect above is executed.
  • the embodiment of the eighth aspect of the present application provides a communication device, the device includes a processor and an interface circuit, the interface circuit is used to receive code instructions and transmit them to the processor, and the processor is used to run the code instructions to make the device Executing the validation indication method of the reference signal described in the second aspect above.
  • the embodiment of the ninth aspect of the present application provides a computer-readable storage medium for storing instructions, and when the instructions are executed, the method for indicating the validity of the reference signal described in the first aspect above is implemented.
  • the embodiment of the tenth aspect of the present application provides a computer-readable storage medium for storing instructions, and when the instructions are executed, the method for indicating the validity of the reference signal described in the second aspect above is implemented.
  • the embodiment of the eleventh aspect of the present disclosure provides a computer program that, when running on a computer, enables the computer to execute the method for indicating the validity of the reference signal described in the embodiment of the first aspect.
  • the embodiment of the twelfth aspect of the present disclosure provides a computer program that, when running on a computer, causes the computer to execute the method for indicating the validity of the reference signal described in the embodiment of the second aspect.
  • the embodiments of the present disclosure provide a reference signal validation indication method and device.
  • the validation indication information is used to indicate that the terminal device is in the corresponding position of the validation indication information.
  • the reference signal received during the effective time period takes effect, so that the terminal device can receive the reference signal within the effective time period according to the configuration information, saving power and resources, and the network device can also flexibly configure the effective time period to reduce system overhead.
  • FIG. 1 is a schematic structural diagram of a communication system provided by an embodiment of the present disclosure
  • FIG. 2 is a schematic flowchart of a reference signal validation indication method provided by an embodiment of the present disclosure
  • FIG. 3 is a schematic flowchart of another reference signal validation indication method provided by an embodiment of the present disclosure.
  • FIG. 4 is a schematic flowchart of another reference signal validation indication method provided by an embodiment of the present disclosure.
  • FIG. 5 is a schematic flowchart of another reference signal validation indication method provided by an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of a device for indicating validity of a reference signal proposed in the present disclosure
  • FIG. 7 is a schematic structural diagram of a device for indicating validity of a reference signal proposed in the present disclosure.
  • FIG. 8 is a schematic structural diagram of a device for indicating validity of a reference signal proposed in the present disclosure
  • FIG. 9 is a schematic structural diagram of a chip provided by an embodiment of the present disclosure.
  • first, second, third, etc. may use the terms first, second, third, etc. to describe various information, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, without departing from the scope of the embodiments of the present disclosure, first information may also be called second information, and similarly, second information may also be called first information.
  • first information may also be called second information
  • second information may also be called first information.
  • the words "if” and "if” as used herein may be interpreted as “at” or "when” or "in response to a determination.”
  • FIG. 1 is a schematic structural diagram of a communication system provided by an embodiment of the present application.
  • the communication system may include, but is not limited to, a network device and a terminal device.
  • the number and form of the devices shown in Figure 1 are for example only and do not constitute a limitation to the embodiment of the application. In practical applications, two or more network equipment, two or more terminal equipment.
  • the communication system shown in FIG. 1 includes one network device 101 and one terminal device 102 as an example.
  • LTE Long Term Evolution
  • 5G new air interface system 5G new air interface system
  • other future new mobile communication systems 5G new air interface system
  • the network device 101 in the embodiment of the present application is an entity on the network side for transmitting or receiving signals.
  • the network device 101 may be an evolved base station (EvolvedNodeB, eNB), a transmission point (Transmission Reception Point, TRP), a next-generation base station (Next GenerationNodeB, gNB) in an NR system, a base station in other future mobile communication systems, or a wireless Fidelity (Wireless Fidelity, WiFi) system in the access node.
  • EvolvedNodeB, eNB evolved base station
  • TRP Transmission Reception Point
  • gNB next-generation base station
  • gNB next-generation base station
  • WiFi wireless Fidelity
  • the embodiment of the present application does not limit the specific technology and specific device form adopted by the network device.
  • the network device provided by the embodiment of the present application may be composed of a centralized unit (Central Unit, CU) and a distributed unit (Distributed Unit, DU), wherein the CU may also be called a control unit (Control Unit), using CU-DU
  • the structure of the network device such as the protocol layer of the base station, can be separated, and the functions of some protocol layers are placed in the centralized control of the CU, and the remaining part or all of the functions of the protocol layer are distributed in the DU, and the CU centrally controls the DU.
  • the terminal device 102 in the embodiment of the present application is an entity on the user side for receiving or transmitting signals, such as a mobile phone.
  • the terminal equipment may also be called terminal equipment (terminal), user equipment (user equipment, UE), mobile station (Mobile Station, MS), mobile terminal equipment (Mobile Terminal, MT), etc.
  • the terminal device can be a car with communication functions, a smart car, a mobile phone (Mobile Phone), a wearable device, a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (Virtual Reality, VR) terminal device, an augmented reality ( Augmented Reality, AR) terminal equipment, wireless terminal equipment in Industrial Control, wireless terminal equipment in Self-Driving, wireless terminal equipment in Remote Medical Surgery, smart grid ( Wireless terminal devices in Smart Grid, wireless terminal devices in Transportation Safety, wireless terminal devices in Smart City, wireless terminal devices in Smart Home, etc.
  • the embodiment of the present application does not limit the specific technology and specific device form adopted by the terminal device.
  • the time-frequency tracking reference signal is a reference signal shared by network equipment to a UE (User Equipment, User Equipment) in a non-connected state.
  • a window is usually set to reduce the system overhead caused by frequent effective indications of effective changes, but this For systems that do not change frequently, additional overhead is added.
  • the network device sends validation indication information to a terminal device in a non-connected state, and the validation indication information is used to indicate that the terminal device receives reference information within the validation period corresponding to the validation indication information.
  • the signal takes effect, so that the terminal device can receive the reference signal within the effective time period according to the configuration information, saving power and resources, and the network device can also flexibly configure the effective time period to reduce system overhead.
  • Fig. 2 is a schematic flow chart of a reference signal validation indication method provided by an embodiment of the present disclosure. It should be noted that the method in the embodiment of the present disclosure is executed by a network device.
  • the effective indication method of the reference signal includes the following steps:
  • Step 201 Send validation indication information to a terminal device in a non-connected state, where the validation indication information is used to indicate that the reference signal received by the terminal device within the validation period corresponding to the validation indication information becomes valid.
  • the unconnected state includes an idle state (IDLE) and an inactive state (INACTIVE).
  • a terminal device in a non-connected state can wake up when needed, and perform time-frequency synchronization according to the received reference signal for time-frequency tracking. ) position before waking up to receive a reference signal for time-frequency synchronization.
  • the reference signal is a synchronization signal block SSB, a tracking reference signal TRS or a channel state information reference signal CSI-RS.
  • the network device can flexibly configure the reference signal used for time-frequency tracking, such as the time domain resource, frequency domain resource, cycle, window, etc. of the reference signal, or use a fixed pattern to indicate the reference signal the above information.
  • the validation indication information is information configured by the network device to indicate that the reference signal received by the terminal device is valid, that is, the validation indication information is used to indicate that the terminal device receives the reference signal within the valid time period corresponding to the validation indication information.
  • the signal is active.
  • the valid period is a period of time, and the reference signal received by the terminal device within this period is valid. It can be understood that the terminal device may know its corresponding valid time period from the received valid indication information.
  • the effective indication information is used to indicate effective time period configuration information for selecting an effective time period from at least one effective time period configuration information.
  • the effective time period configuration information refers to information for configuring the effective time period, that is, information for configuring the time length of the effective time period.
  • the effective time period configuration information includes first effective time period configuration information and at least one type of second effective time period configuration information.
  • the first effective time period configuration information is used to indicate that all time periods after the receiving time point of the effective indication information are effective time periods;
  • the second effective time period configuration information includes a time length configuration value, which is used to indicate the effective time period of the effective indication information.
  • the time period with the configuration value of time length after the receiving time point is the effective time period.
  • the network device can flexibly configure the effective indication information and its corresponding effective time period according to different terminal devices and network deployments, and can flexibly configure and select the effective time period configuration information.
  • the validation indication information sent by the network device is used to indicate that the configuration information of the first validation time period is selected, that is to say, the validation indication information sent by the network device is used to indicate that the terminal device receives the validation indication information at the time point All subsequent time periods are effective time periods.
  • the network device may also send invalidation indication information to the terminal device, where the invalidation indication information is used to indicate that the terminal device is within all time periods after the receiving time point of the invalidation indication information
  • the reference signal of is not valid. That is to say, the reference signal received by the terminal device in all time periods after receiving the failure indication information is not valid.
  • the validation indication information and/or the at least one validation time period configuration information are carried in reference signal configuration information and sent to the terminal device.
  • the network device sends reference signal configuration information carrying validation indication information to the terminal device.
  • the network device sends to the terminal device reference signal configuration information carrying at least one valid time period configuration information.
  • the network device sends to the terminal device reference signal configuration information carrying validation indication information and at least one validation time period configuration information.
  • the network device is configured with physical layer indication information, and the physical layer indication information carries validation indication information, and the network device sends the validation indication information by sending the physical layer indication information to the terminal device, wherein the physical layer indication information It is configured by the upper layer.
  • the network device is not configured with physical layer indication information, and the network device sends the validation indication information by sending high-layer indication information carrying the validation indication information to the terminal device.
  • the network device may also send window configuration information to the terminal device, where the window configuration information is used to instruct the network device to stop sending reference signals within the window corresponding to the window configuration information, where the window is located at the within the effective time period mentioned above.
  • the network device sends validation indication information to the terminal device in the non-connected state, and the validation indication information is used to indicate that the reference signal received by the terminal device within the validation period corresponding to the validation indication information takes effect, so that The terminal device can receive the reference signal within the effective time period according to the configuration information, saving power and resources, and the network device can also flexibly configure the effective time period to reduce system overhead.
  • FIG. 3 is a schematic flowchart of another method for indicating the validity of a reference signal provided by an embodiment of the present disclosure.
  • the method for indicating the validity of a reference signal can be performed by a network device.
  • the effective indication method of the reference signal may be executed alone, or may be executed in combination with any embodiment in the present disclosure or a possible implementation in the embodiment, or in combination with any technical solution in related technologies be executed.
  • the effective indication method of the reference signal may include the following steps:
  • Step 301 sending at least one effective time period configuration information to the terminal device.
  • At least one effective time period configuration information includes first effective time period configuration information and at least one second effective time period configuration information.
  • the first effective time period configuration information is used to indicate that all time periods after the receiving time point of the effective indication information are effective time periods;
  • the second effective time period configuration information includes a time length configuration value, which is used to indicate the effective time period of the effective indication information.
  • the time period with the configuration value of time length after the receiving time point is the effective time period.
  • the at least one type of configuration information of the second effective time period includes at least one type of time length configuration value, and the time length configuration value is related to a discontinuous reception DRX (discontinuous reception) cycle of the terminal device.
  • at least one time length configuration value is ⁇ 2n, 4n, 8n, 16n ⁇ , where n is a DRX cycle of the terminal device.
  • the network device can flexibly configure the effective indication information and its corresponding effective time period according to different terminal devices and network deployments, and can flexibly configure and select the effective time period configuration information.
  • Step 302 Send validation indication information to the terminal device in the non-connected state, where the validation indication information is used to instruct to select the validation time period configuration information of the validation period configuration information from at least one validation period configuration information.
  • the reference signal is a synchronization signal block SSB, a tracking reference signal TRS or a channel state information reference signal CSI-RS.
  • the validation indication information sent by the network device is used to indicate the selection of the configuration information of the first validation time period, that is, the validation indication information sent by the network device is used to indicate that the terminal device is after the time point when the validation indication information is received All time periods of are effective time periods.
  • the network device sends failure indication information to the terminal device, and the failure indication information is used to indicate that the terminal device reference Signal is not active. That is to say, the reference signal received by the terminal device in all time periods after receiving the failure indication information is not valid.
  • the validation indication information sent by the network device is used to indicate the selection of at least one of the configuration information of the second validation time period, that is, the validation indication information sent by the network device is used to indicate that the terminal device is valid
  • the time period with the corresponding time length configuration value after the receiving time point of the indication information is the effective time period.
  • the effective indication information is used to indicate that a second effective time period configuration information 2n is selected from at least one second effective time period configuration information ⁇ 2n, 4n, 8n, 16n ⁇ , and the time length configuration value included in it is 2n
  • the validation indication information is used to indicate to the terminal device that the time period 2n after the time point of receiving the validation indication information is the validation time period, where n is the DRX cycle of the terminal device.
  • the effective time period configuration information in step 301 and the effective indication information in step 302 may be carried in the reference signal configuration information and sent at the same time, or may not be sent at the same time.
  • the signaling carrying the validation indication information may be high layer indication information or physical layer indication information.
  • the network device may also send window configuration information to the terminal device, where the window configuration information is used to instruct the network device to stop sending reference signals within the window corresponding to the window configuration information, where the window is located at the within the effective time period mentioned above.
  • the network device stops sending reference signals within the window by configuring the window, thereby reducing the power consumption of the network device.
  • the effective indication information is sent to the terminal device in the non-connected state, and the effective indication information is used to indicate that at least one effective time period configuration information Select the effective time period configuration information of the effective time period, and instruct the terminal device to receive the reference signal within the effective time period to take effect, so that the terminal device can receive the reference signal within the effective time period according to the configuration information, saving power , reduce power consumption, save resources, and network devices can also flexibly configure the effective time period to reduce system overhead.
  • FIG. 4 is a schematic flowchart of another method for indicating validity of a reference signal provided by an embodiment of the present disclosure. It should be noted that the method in the embodiment of the present disclosure is executed by a terminal device.
  • the effective indication method of the reference signal may include the following steps.
  • Step 401 Receive validation indication information, where the validation indication information is used to indicate that the reference signal received by the terminal device within the validation period corresponding to the validation indication information takes effect, wherein the terminal device is in an unconnected state.
  • a terminal device in a non-connected state can wake up when needed, and perform time-frequency synchronization according to the received reference signal for time-frequency tracking. ) position before waking up to receive a reference signal for time-frequency synchronization.
  • the reference signal is a synchronization signal block SSB, a tracking reference signal TRS or a channel state information reference signal CSI-RS.
  • the network device can flexibly configure the reference signal used for time-frequency tracking, such as the time domain resource, frequency domain resource, cycle, window, etc. of the reference signal, or use a fixed pattern to indicate the reference signal the above information.
  • the validation indication information is information configured by the network device to indicate that the reference signal received by the terminal device is valid, that is, the terminal device determines to receive the reference signal within the validation time period corresponding to the validation indication information according to the received validation indication information.
  • the received reference signal takes effect.
  • the valid period is a period of time, and the reference signal received by the terminal device within this period is valid. It can be understood that the terminal device may know its corresponding valid time period from the received valid indication information.
  • the effective indication information is used to indicate effective time period configuration information for selecting an effective time period from at least one effective time period configuration information.
  • the effective time period configuration information refers to information for configuring the effective time period, that is, information for configuring the time length of the effective time period.
  • the effective time period configuration information includes first effective time period configuration information and at least one type of second effective time period configuration information.
  • the first effective time period configuration information is used to indicate that all time periods after the receiving time point of the effective indication information are effective time periods;
  • the second effective time period configuration information includes a time length configuration value, which is used to indicate the effective time period of the effective indication information.
  • the time period with the configuration value of time length after the receiving time point is the effective time period.
  • the network device can flexibly configure the effective indication information and its corresponding effective time period according to different terminal devices and network deployments, and can flexibly configure and select the effective time period configuration information.
  • the validation indication information sent by the network device is used to indicate that the configuration information of the first validation time period is selected, that is to say, the validation indication information sent by the network device is used to indicate that the terminal device receives the validation indication information at the time point All subsequent time periods are effective time periods.
  • the network device sends failure indication information to the terminal device, and the failure indication information is used to indicate that the terminal device reference Signal is not active. That is to say, the reference signal received by the terminal device in all time periods after receiving the failure indication information is not valid.
  • the validation indication information and/or the at least one validation time period configuration information are carried in reference signal configuration information and received by the terminal device.
  • the terminal device receives the reference signal configuration information that is sent by the network device and carries the validation indication information.
  • the terminal device receives reference signal configuration information that is sent by the network device and carries at least one valid time period configuration information.
  • the terminal device receives the reference signal configuration information that is sent by the network device and carries the validation indication information and at least one validation time period configuration information.
  • the network device is configured with physical layer indication information, and the physical layer indication information carries validation indication information, and the terminal device receives the validation indication information by receiving the physical layer indication information sent by the network device, wherein the physical layer indication information Information is configured by higher layers.
  • the network device is not configured with physical layer indication information, and the terminal device receives the validation indication information by receiving the high-layer indication information carrying the validation indication information sent by the network device.
  • the network device may also send window configuration information to the terminal device, where the window configuration information is used to instruct the network device to stop sending reference signals within the window corresponding to the window configuration information, where the window is located at the within the effective time period mentioned above.
  • the validation indication information is used to indicate that the reference signal received by the terminal device within the validation period corresponding to the validation indication information takes effect, wherein the terminal device is in a non-connected state, Therefore, the terminal device can receive the reference signal within the effective time period according to the configuration information, saving power and resources, and the network device can also flexibly configure the effective time period to reduce system overhead.
  • FIG. 5 is a schematic flowchart of another method for indicating the validity of a reference signal provided by an embodiment of the present disclosure.
  • the terminal device executes the reference signal validity indication method. It can be executed alone, or it can be executed in combination with any embodiment in the present disclosure or a possible implementation mode in the embodiment. It can also be executed in combination with any method in related technologies A technical solution is executed together.
  • the effective indication method of the reference signal may include the following steps:
  • Step 501 receiving at least one effective time period configuration information.
  • At least one effective time period configuration information includes first effective time period configuration information and at least one second effective time period configuration information.
  • the first effective time period configuration information is used to indicate that all time periods after the receiving time point of the effective indication information are effective time periods;
  • the second effective time period configuration information includes a time length configuration value, which is used to indicate the effective time period of the effective indication information.
  • the time period with the configuration value of time length after the receiving time point is the effective time period.
  • the at least one type of configuration information of the second effective time period includes at least one type of time length configuration value, and the time length configuration value is related to a discontinuous reception DRX (discontinuous reception) cycle of the terminal device.
  • at least one time length configuration value is ⁇ 2n, 4n, 8n, 16n ⁇ , where n is a DRX cycle of the terminal device.
  • the network device can flexibly configure the effective indication information and its corresponding effective time period according to different terminal devices and network deployments, and can flexibly configure and select the effective time period configuration information.
  • Step 502 Receive validation indication information, where the validation indication information is used to instruct to select validation time period configuration information of the validation time zone from at least one validation time zone configuration information.
  • the reference signal is a synchronization signal block SSB, a tracking reference signal TRS or a channel state information reference signal CSI-RS.
  • the validation indication information sent by the network device is used to indicate the selection of the configuration information of the first validation time period, that is, the validation indication information sent by the network device is used to indicate that the terminal device is after the time point when the validation indication information is received All time periods of are effective time periods.
  • the network device sends failure indication information to the terminal device, and the failure indication information is used to indicate that the terminal device reference Signal is not active. That is to say, the reference signal received by the terminal device in all time periods after receiving the failure indication information is not valid.
  • the validation indication information received by the terminal device is used to indicate selection of at least one of the configuration information of the second validation time period, that is to say, the terminal device determines, according to the received validation indication information, that in the validation indication information
  • the time period with the corresponding time length configuration value after the receiving time point of is the effective time period.
  • the effective indication information is used to indicate that a second effective time period configuration information 2n is selected from at least one second effective time period configuration information ⁇ 2n, 4n, 8n, 16n ⁇ , and the time length configuration value included in it is 2n
  • the validation indication information is used to indicate to the terminal device that the time period 2n after the time point of receiving the validation indication information is the validation time period, where n is the DRX cycle of the terminal device.
  • the effective time period configuration information in step 501 and the effective indication information in step 502 may be carried in the reference signal configuration information and sent at the same time, or may not be sent at the same time.
  • the signaling carrying the validation indication information may be high layer indication information or physical layer indication information.
  • the network device may also send window configuration information to the terminal device, where the window configuration information is used to instruct the network device to stop sending reference signals within the window corresponding to the window configuration information, where the window is located at the within the effective time period mentioned above.
  • the network device stops sending reference signals within the window by configuring the window, thereby reducing the power consumption of the network device.
  • the effective indication information is used to indicate to select the effective time period configuration information of the effective time period from at least one effective time period configuration information, and instruct the terminal
  • the reference signal received by the device takes effect within the effective time period, wherein the terminal device is in a non-connected state, so that the terminal device can receive the reference signal within the effective time period according to the configuration information, saving power and reducing power consumption,
  • network devices can also flexibly configure the effective time period to reduce system overhead.
  • the methods provided in the embodiments of the present application are introduced from the perspectives of network equipment and terminal equipment.
  • the network device and the terminal device may include a hardware structure and a software module, and realize the above functions in the form of a hardware structure, a software module, or a hardware structure plus a software module.
  • a certain function among the above-mentioned functions may be implemented in the form of a hardware structure, a software module, or a hardware structure plus a software module.
  • the present disclosure also provides a device for indicating the validity of the reference signal. Therefore, the implementation of the data transmission method is also applicable to the device for indicating the effectiveness of the reference signal provided in this embodiment, which will not be described in detail in this embodiment.
  • 6-7 are schematic structural diagrams of an apparatus for indicating validity of a reference signal according to the present disclosure.
  • FIG. 6 is a schematic structural diagram of an apparatus for indicating validity of a reference signal provided by an embodiment of the present disclosure.
  • the device 600 for indicating the validity of the reference signal includes: a transceiver unit 610, wherein:
  • the transceiver unit 610 is configured to send validation indication information to a terminal device in an unconnected state, where the validation indication information is used to indicate that the reference signal received by the terminal device within the validation time period corresponding to the validation indication information takes effect .
  • the validation indication information is used to indicate the validation time period configuration information for selecting the validation period from at least one validation period configuration information.
  • the transceiving unit 610 is further configured to: send the at least one effective time period configuration information to the terminal device.
  • the validation indication information and/or the at least one validation time period configuration information are carried in reference signal configuration information and sent to the terminal device.
  • the at least one effective time period configuration information includes: first effective time period configuration information and at least one second effective time period configuration information; the first effective time period configuration Information, used to indicate that all time periods after the receiving time point of the effective indication information are the effective time periods; the second effective time period configuration information includes a time length configuration value, used to indicate the effective time period of the effective indication information The time period with the configuration value of the time length after the receiving time point is the effective time period.
  • the effective time period is all time periods after the receiving time point of the effective indication information; the transceiver unit 610 is further configured to: send invalidation indication information to the terminal device, so that The failure indication information is used to indicate to the terminal device that the reference signal in all time periods after the receiving time point of the failure indication information is not valid.
  • the transceiver unit 610 is specifically configured to: send physical layer indication information carrying the validation indication information to the terminal device, wherein the physical layer indication information is provided by the network device or, sending high-layer indication information carrying the validation indication information to the terminal device, wherein the network device is not configured with physical layer indication information.
  • the transceiver unit 610 is further configured to: send window configuration information to the terminal device, where the window configuration information is used to indicate that the network device is in the window corresponding to the window configuration information Stop sending the reference signal within the window, wherein the window is within the effective time period.
  • the reference signal is a synchronization signal block SSB, a tracking reference signal TRS or a channel state information reference signal CSI-RS.
  • the reference signal validation indication device sends validation indication information to the terminal equipment in the non-connected state by sending at least one validation time period configuration information to the terminal equipment in the non-connected state, and the validation indication information is used to indicate
  • the reference signal received by the terminal device takes effect within the effective time period corresponding to the effective indication information, so that the terminal device can receive the reference signal within the effective time period according to the configuration information, saving power, reducing power consumption, and saving resources.
  • the effective time period can be flexibly configured to reduce system overhead.
  • FIG. 7 is a schematic structural diagram of another apparatus for indicating validity of a reference signal provided by an embodiment of the present disclosure.
  • the device 700 for validating the reference signal includes: a transceiver unit 710, wherein:
  • the transceiving unit 710 is configured to receive validation indication information, where the validation indication information is used to indicate that the reference signal received by the apparatus within the validation time period corresponding to the validation indication information is valid.
  • the validation indication information is used to indicate the validation time period configuration information for selecting the validation period from at least one validation period configuration information.
  • the transceiving unit 710 is further configured to: receive the at least one effective time period configuration information.
  • the validation indication information and/or the at least one validation time period configuration information are carried in reference signal configuration information and received by the apparatus.
  • the at least one effective time period configuration information includes: first effective time period configuration information and at least one second effective time period configuration information; the first effective time period configuration Information, used to indicate that all time periods after the receiving time point of the effective indication information are the effective time periods; the second effective time period configuration information includes a time length configuration value, used to indicate the effective time period of the effective indication information The time period with the configuration value of the time length after the receiving time point is the effective time period.
  • the effective time period is all time periods after the time point when the effective indication information is received; the transceiver unit 710 is further configured to: receive invalidation indication information, the invalidation indication information is The reference signal is ineffective in all time periods after the receiving time point of the invalidation indication information indicated to the device.
  • the transceiver unit 710 is specifically configured to: receive physical layer indication information carrying the validation indication information, where the physical layer indication information is configured by a high layer of the network device; or, receiving high-layer indication information carrying the validation indication information, wherein the network device is not configured with physical layer indication information.
  • the transceiver unit 710 is further configured to: receive window configuration information, the window configuration information is used to instruct the network device to stop sending the reference within the window corresponding to the window configuration information signal, wherein the window is within the effective time period.
  • the reference signal is a synchronization signal block SSB, a tracking reference signal TRS or a channel state information reference signal CSI-RS.
  • the reference signal validation indication device in the embodiment of the present disclosure receives validation indication information, and the validation indication information is used to indicate that the reference signal received by the terminal device within the validation period corresponding to the validation indication information takes effect, so that Terminal devices can receive reference signals within the effective time period according to the configuration information, saving power and resources. Network devices can also flexibly configure the effective time period to reduce system overhead.
  • FIG. 8 is a schematic structural diagram of another apparatus for indicating validity of a reference signal provided by an embodiment of the present disclosure.
  • the effective indication device 800 of the reference signal may be a network device, or a terminal device, or a chip, a chip system, or a processor that supports the network device to implement the above method, and may also be a chip that supports the terminal device to implement the above method. Chip system, or processor, etc.
  • the device can be used to implement the methods described in the above method embodiments, and for details, refer to the descriptions in the above method embodiments.
  • the apparatus 800 for indicating validity of a reference signal may include one or more processors 801 .
  • the processor 801 may be a general-purpose processor or a special-purpose processor. For example, it can be a baseband processor or a central processing unit.
  • the baseband processor can be used to process the communication protocol and communication data
  • the central processor can be used to control the effective indication device (such as base station, baseband chip, terminal equipment, terminal equipment chip, DU or CU, etc.) of the reference signal , execute computer programs, and process data for computer programs.
  • the device 800 for validating a reference signal may further include one or more memories 802, on which a computer program 803 may be stored, and the processor 801 executes the computer program 803, so that the device 800 for validating a reference signal executes the above-mentioned Methods described in the Methods Examples.
  • the computer program 803 may be solidified in the processor 801, and in this case, the processor 801 may be implemented by hardware.
  • data may also be stored in the memory 802 .
  • the effective indication device 800 and the memory 802 of the reference signal can be set separately or integrated together.
  • the apparatus 800 for indicating validity of a reference signal may further include a transceiver 805 and an antenna 806 .
  • the transceiver 805 may be called a transceiver unit, a transceiver, or a transceiver circuit, etc., and is used to implement a transceiver function.
  • the transceiver 805 may include a receiver and a transmitter, and the receiver may be called a receiver or a receiving circuit for realizing a receiving function; the transmitter may be called a transmitter or a sending circuit for realizing a sending function.
  • the apparatus 800 for indicating validity of the reference signal may further include one or more interface circuits 807 .
  • the interface circuit 807 is used to receive code instructions and transmit them to the processor 801 .
  • the processor 801 runs code instructions to enable the device 800 for indicating the validity of the reference signal to execute the methods described in the above method embodiments.
  • the apparatus 800 for indicating validity of a reference signal is a network device: the processor 801 is configured to execute step 201 in FIG. 2 ; and step 301 to step 302 in FIG. 3 .
  • the apparatus 800 for indicating validity of the reference signal is a terminal device, and the transceiver 805 is used to execute step 401 in FIG. 4 and steps 501 to 502 in FIG. 5 .
  • the processor 801 may include a transceiver for implementing receiving and sending functions.
  • the transceiver may be a transceiver circuit, or an interface, or an interface circuit.
  • the transceiver circuits, interfaces or interface circuits for realizing the functions of receiving and sending can be separated or integrated together.
  • the above-mentioned transceiver circuit, interface or interface circuit may be used for reading and writing code/data, or the above-mentioned transceiver circuit, interface or interface circuit may be used for signal transmission or transfer.
  • the apparatus 800 for indicating validity of a reference signal may include a circuit, and the circuit may implement the function of sending or receiving or communicating in the foregoing method embodiments.
  • the processors and transceivers described in this disclosure can be implemented on integrated circuits (integrated circuits, ICs), analog ICs, radio frequency integrated circuits (RFICs), mixed signal ICs, application specific integrated circuits (ASICs), printed circuit boards ( printed circuit board, PCB), electronic equipment, etc.
  • the processor and transceiver can also be fabricated using various IC process technologies, such as complementary metal oxide semiconductor (CMOS), nMetal-oxide-semiconductor (NMOS), P-type Metal oxide semiconductor (positive channel metal oxide semiconductor, PMOS), bipolar junction transistor (bipolar junction transistor, BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.
  • CMOS complementary metal oxide semiconductor
  • NMOS nMetal-oxide-semiconductor
  • PMOS P-type Metal oxide semiconductor
  • BJT bipolar junction transistor
  • BiCMOS bipolar CMOS
  • SiGe silicon germanium
  • GaAs gallium arsenide
  • the device for indicating the validity of the reference signal in the above embodiments may be a network device or a terminal device, but the scope of the device for indicating the validity of the reference signal described in this disclosure is not limited thereto, and the structure of the device for indicating the validity of the reference signal may not be Limited by Figures 6-7.
  • the validation indication means for the reference signal may be a stand-alone device or may be part of a larger device.
  • the effective indication device of the reference signal may be:
  • a set of one or more ICs may also include storage components for storing data and computer programs;
  • ASIC such as modem (Modem);
  • the validating indication device of the reference signal may be a chip or a chip system
  • the chip shown in FIG. 9 includes a processor 901 and an interface 902 .
  • the number of processors 901 may be one or more, and the number of interfaces 902 may be more than one.
  • Interface 902 used to transmit code instructions to the processor
  • the processor 901 is configured to run code instructions to execute the methods shown in FIG. 2 to FIG. 3 .
  • Interface 902 used to transmit code instructions to the processor
  • the processor 901 is configured to run code instructions to execute the methods shown in FIG. 4 to FIG. 5 .
  • the chip further includes a memory 903 for storing necessary computer programs and data.
  • An embodiment of the present disclosure also provides a communication system, the system includes the validation indication device as the reference signal of the terminal equipment and the validation indication device as the reference signal of the network equipment in the embodiment of Figure 6- Figure 7, or, the system includes In the aforementioned embodiment of FIG. 8 , the means for indicating the validity of the reference signal of the terminal equipment and the means for indicating the validity of the reference signal of the network equipment are used.
  • the present disclosure also provides a readable storage medium on which instructions are stored, and when the instructions are executed by a computer, the functions of any one of the above method embodiments are realized.
  • the present disclosure also provides a computer program product, which implements the functions of any one of the above method embodiments when the computer program product is executed by a computer.
  • all or part of them may be implemented by software, hardware, firmware or any combination thereof.
  • software When implemented using software, it may be implemented in whole or in part in the form of a computer program product.
  • a computer program product consists of one or more computer programs. When a computer program is loaded and executed on a computer, the processes or functions according to the embodiments of the present disclosure are generated in whole or in part.
  • a computer can be a general purpose computer, special purpose computer, computer network, or other programmable device.
  • the computer program can be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer program can Coaxial cable, optical fiber, digital subscriber line (digital subscriber line, DSL)) or wireless (such as infrared, wireless, microwave, etc.) transmission to another website site, computer, server or data center.
  • 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, a data center, etc. integrated with one or more available media.
  • Available media can be magnetic media (e.g., floppy disk, hard disk, magnetic tape), optical media (e.g., high-density digital video disc (digital video disc, DVD)), or semiconductor media (e.g., solid state disk (SSD) )wait.
  • magnetic media e.g., floppy disk, hard disk, magnetic tape
  • optical media e.g., high-density digital video disc (digital video disc, DVD)
  • semiconductor media e.g., solid state disk (SSD)
  • At least one in the present disclosure can also be described as one or more, and a plurality can be two, three, four or more, and the present disclosure is not limited.
  • the technical feature is distinguished by "first”, “second”, “third”, “A”, “B”, “C” and “D”, etc.
  • the technical features described in the “first”, “second”, “third”, “A”, “B”, “C” and “D” have no sequence or order of magnitude among the technical features described.
  • each table in the present disclosure may be configured or predefined.
  • the values of the information in each table are just examples, and may be configured as other values, which are not limited in the present disclosure.
  • the corresponding relationship shown in some rows may not be configured.
  • appropriate deformation adjustments can be made based on the above table, for example, splitting, merging, and so on.
  • the names of the parameters shown in the titles of the above tables may also adopt other names understandable by the communication device, and the values or representations of the parameters may also be other values or representations understandable by the communication device.
  • other data structures can also be used, for example, arrays, queues, containers, stacks, linear tables, pointers, linked lists, trees, graphs, structures, classes, heaps, hash tables or hash tables can be used wait.
  • Predefinition in the present disclosure can be understood as definition, predefinition, storage, prestorage, prenegotiation, preconfiguration, curing, or prefiring.

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Abstract

La présente divulgation se rapporte au domaine technique des communications. L'invention concerne un procédé et un appareil d'indication de validité pour un signal de référence. Le procédé comprend : l'envoi d'informations d'indication de validité à un dispositif terminal qui est dans un état déconnecté, les informations d'indication de validité étant utilisées pour indiquer qu'un signal de référence, qui est reçu par le dispositif terminal dans une période de validité correspondant aux informations d'indication de validité, est valide. Dans le procédé, des informations d'indication de validité sont envoyées, au moyen d'un dispositif de réseau, à un dispositif terminal qui est dans un état déconnecté, les informations d'indication de validité étant utilisées pour indiquer qu'un signal de référence, qui est reçu par le dispositif terminal dans une période de validité correspondant aux informations d'indication de validité, est valide, de sorte que le dispositif terminal puisse recevoir le signal de référence dans la période de validité en fonction d'informations de configuration, ce qui permet d'économiser de l'énergie et d'économiser des ressources, et que le dispositif de réseau puisse également configurer de manière flexible une période de validité, ce qui réduit ainsi les surdébits de système.
PCT/CN2021/116050 2021-09-01 2021-09-01 Procédé et appareil d'indication de validité pour signal de référence WO2023028924A1 (fr)

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