WO2022061739A1 - 传输时延补偿方法、装置、通信设备和存储介质 - Google Patents

传输时延补偿方法、装置、通信设备和存储介质 Download PDF

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Publication number
WO2022061739A1
WO2022061739A1 PCT/CN2020/117838 CN2020117838W WO2022061739A1 WO 2022061739 A1 WO2022061739 A1 WO 2022061739A1 CN 2020117838 W CN2020117838 W CN 2020117838W WO 2022061739 A1 WO2022061739 A1 WO 2022061739A1
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WIPO (PCT)
Prior art keywords
satellite
compensation
range
compensation duration
indication information
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PCT/CN2020/117838
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English (en)
French (fr)
Inventor
朱亚军
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北京小米移动软件有限公司
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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 US18/025,841 priority Critical patent/US20230353234A1/en
Priority to PCT/CN2020/117838 priority patent/WO2022061739A1/zh
Priority to CN202080002424.5A priority patent/CN112314019B/zh
Publication of WO2022061739A1 publication Critical patent/WO2022061739A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H04W56/005—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by adjustment in the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851—Systems using a satellite or space-based relay
    • H04B7/18519—Operations control, administration or maintenance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H04W56/0045—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by altering transmission time

Definitions

  • the present application relates to the field of wireless communication technologies, but is not limited to the field of wireless communication technologies, and in particular, to a transmission delay compensation method, apparatus, communication device, and storage medium.
  • Satellite communication refers to the communication performed by cellular mobile communication devices on the ground using satellites as relays.
  • the satellite communication system consists of a satellite part and a ground part.
  • the characteristics of satellite communication are: the communication range is large; as long as the radio waves emitted by the satellite cover the range, communication can be carried out from any two points; it is not easily affected by land disasters.
  • embodiments of the present disclosure provide a transmission delay compensation method, apparatus, communication device, and storage medium.
  • a transmission delay compensation method is provided, wherein, applied to a user equipment (UE, User Equipment), the method includes:
  • the compensation duration is determined from the compensation duration range associated with the serving satellite based on the received compensation duration indication information, where the compensation duration is used to compensate for the transmission delay of transmission between the UE and the base station.
  • the compensation duration determined from the compensation duration range associated with the serving satellite based on the received compensation duration indication information includes:
  • the compensation duration corresponding to the quantization value is determined from the compensation duration range based on the quantization value indicated by the compensation duration indication information.
  • the method further includes:
  • the compensation time range corresponding to the characteristic parameter is determined.
  • the characteristic parameter includes: the altitude range of the serving satellite and/or the satellite identifier of the serving satellite;
  • the corresponding relationship of the compensation duration range includes at least one of the following:
  • the method further includes:
  • the first indication information sent by the serving satellite and used for determining the characteristic parameter is received.
  • the first indication information for determining the characteristic parameter is used to indicate at least one of the following:
  • the altitude of the serving satellite wherein the altitude of the serving satellite is used for the UE to determine the altitude range where the serving satellite is located;
  • Ephemeris of the serving satellite wherein the ephemeris of the serving satellite is used for the UE to determine the altitude range where the serving satellite is located.
  • the corresponding relationship of the compensation duration range is specified by a communication protocol.
  • the method further includes:
  • Second indication information indicating the corresponding relationship of the compensation duration range is received.
  • the receiving second indication information indicating the corresponding relationship of the compensation duration range includes:
  • the method further includes:
  • the compensation duration in absolute time units is converted into the compensation duration in logical time units.
  • a transmission delay compensation method wherein, applied to a satellite, the method includes:
  • the compensation duration indication information is used for the compensation duration determined by the UE from the compensation duration range associated with the satellite, wherein the compensation duration is used to compensate for the relationship between the UE and the base station.
  • the compensation duration indication information is used to indicate the indicated quantization value corresponding to the compensation duration in the compensation duration range.
  • the method further includes:
  • the first indication information indicating the characteristic parameter of the satellite is sent, wherein the characteristic parameter is used for the UE to determine the compensation duration range corresponding to the characteristic parameter based on the corresponding relationship of the compensation duration range.
  • the characteristic parameter includes: the altitude range of the satellite and/or the satellite identifier of the satellite;
  • the corresponding relationship of the compensation duration range includes at least one of the following:
  • the first indication information is used to indicate at least one of the following:
  • the altitude of the satellite wherein the altitude of the satellite is used for the UE to determine the altitude range where the satellite is located;
  • the ephemeris of the satellite wherein the ephemeris of the satellite is used for the UE to determine the altitude range where the satellite is located.
  • the corresponding relationship of the compensation duration range is specified by a communication protocol.
  • the method further includes:
  • the sending second indication information indicating the corresponding relationship of the compensation duration range includes:
  • a transmission delay compensation apparatus wherein, applied to a UE, the apparatus includes: a first determination module, wherein:
  • the first determining module is configured to determine the compensation duration from the compensation duration range associated with the serving satellite based on the received compensation duration indication information, wherein the compensation duration is used to compensate the difference between the UE and the base station.
  • the transmission delay of the transmission is configured to determine the compensation duration from the compensation duration range associated with the serving satellite based on the received compensation duration indication information, wherein the compensation duration is used to compensate the difference between the UE and the base station.
  • the first determining module includes:
  • the first determining submodule is configured to determine the compensation duration corresponding to the quantization value from the compensation duration range based on the quantization value indicated by the compensation duration indication information.
  • the apparatus further comprises:
  • the second determining module is configured to determine the compensation duration range corresponding to the characteristic parameter based on the corresponding relationship of the compensation duration range according to the characteristic parameter of the serving satellite.
  • the characteristic parameter includes: the altitude range of the serving satellite and/or the satellite identifier of the serving satellite;
  • the corresponding relationship of the compensation duration range includes at least one of the following:
  • the apparatus further comprises:
  • the first receiving module is configured to receive the first indication information sent by the serving satellite and used for determining the characteristic parameter.
  • the first indication information for determining the characteristic parameter is used to indicate at least one of the following:
  • the altitude of the serving satellite wherein the altitude of the serving satellite is used for the UE to determine the altitude range where the serving satellite is located;
  • the ephemeris of the serving satellite wherein the ephemeris of the serving satellite is used for the UE to determine the altitude range where the serving satellite is located.
  • the corresponding relationship of the compensation duration range is specified by a communication protocol.
  • the apparatus further comprises:
  • the second receiving module is configured to receive second indication information indicating the corresponding relationship of the compensation duration range.
  • the second receiving module includes:
  • the receiving sub-module is configured to receive the system information, and/or high-layer signaling, and/or physical layer signaling carrying the second indication information indicating the corresponding relationship of the compensation duration range.
  • the apparatus further comprises:
  • the conversion module is configured to convert the compensation duration in absolute time units into the compensation duration in logical time units based on the parameter set.
  • a transmission delay compensation device wherein, when applied to a satellite, the device includes: a first sending module, wherein:
  • the first sending module is configured to send compensation duration indication information, wherein the compensation duration indication information is used for the compensation duration determined by the UE from the compensation duration range associated with the satellite, wherein the compensation duration, It is used to compensate the transmission delay of transmission between the UE and the base station.
  • the compensation duration indication information is used to indicate the indicated quantization value corresponding to the compensation duration in the compensation duration range.
  • the apparatus further comprises:
  • the second sending module is configured to send the first indication information indicating the characteristic parameter of the satellite, wherein the characteristic parameter is used for the UE to determine the compensation corresponding to the characteristic parameter based on the corresponding relationship between the compensation time and the range. duration range.
  • the characteristic parameter includes: the altitude range of the satellite and/or the satellite identifier of the satellite;
  • the corresponding relationship of the compensation duration range includes at least one of the following:
  • the first indication information is used to indicate at least one of the following:
  • the altitude of the satellite wherein the altitude of the satellite is used for the UE to determine the altitude range where the satellite is located;
  • the ephemeris of the satellite wherein the ephemeris of the satellite is used for the UE to determine the altitude range where the satellite is located.
  • the corresponding relationship of the compensation duration range is specified by a communication protocol.
  • the apparatus further comprises:
  • the third sending module is configured to send second indication information indicating the corresponding relationship of the compensation duration range.
  • the third sending module includes:
  • the sending submodule is configured to send the system information carrying the second indication information indicating the corresponding relationship of the compensation duration range, and/or high layer signaling and/or physical layer signaling.
  • a communication device including a processor, a memory, and an executable program stored on the memory and capable of being executed by the processor, wherein the processor executes the executable program.
  • the program executes the executable program.
  • a communication device including a processor, a memory, and an executable program stored on the memory and capable of being executed by the processor, wherein the processor executes the executable program.
  • the program executes the executable program.
  • the transmission delay compensation method, apparatus, communication device, and storage medium provided by the embodiments of the present disclosure.
  • the UE determines the compensation duration from the compensation duration range associated with the serving satellite based on the received compensation duration indication information, where the compensation duration is used to compensate the transmission delay of transmission between the UE and the base station.
  • the compensation duration applicable to the current serving satellite is determined from the compensation duration range through the service satellite compensation duration indication information.
  • a method for determining the compensation duration is provided; Compensation duration applicable to different satellites improves the accuracy of the compensation duration, thereby improving communication quality.
  • FIG. 1 is a schematic structural diagram of a wireless communication system according to an exemplary embodiment
  • FIG. 2 is a schematic diagram of a network structure in an NTN scenario according to an exemplary embodiment
  • FIG. 3 is a schematic flowchart of a transmission delay compensation method according to an exemplary embodiment
  • FIG. 4 is a schematic flowchart of another transmission delay compensation method according to an exemplary embodiment
  • FIG. 5 is a schematic flowchart of still another transmission delay compensation method according to an exemplary embodiment
  • FIG. 6 is a schematic flowchart of still another transmission delay compensation method according to an exemplary embodiment
  • FIG. 7 is a block diagram of a transmission delay compensation apparatus according to an exemplary embodiment
  • FIG. 8 is a block diagram of another transmission delay compensation apparatus according to an exemplary embodiment
  • Fig. 9 is a block diagram of an apparatus for transmission delay compensation according to an exemplary embodiment.
  • first, second, third, etc. may be used in embodiments of the present disclosure to describe various pieces of information, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
  • the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information.
  • the word "if” as used herein can be interpreted as "at the time of” or "when” or "in response to determining.”
  • FIG. 1 shows a schematic structural diagram of a wireless communication system provided by an embodiment of the present disclosure.
  • the wireless communication system is a communication system based on cellular mobile communication technology, and the wireless communication system may include: several terminals 11 and several base stations 12 .
  • the terminal 11 may be a device that provides voice and/or data connectivity to the user.
  • the terminal 11 may communicate with one or more core networks via a radio access network (RAN), and the terminal 11 may be an IoT terminal such as a sensor device, a mobile phone (or "cellular" phone) and a
  • RAN radio access network
  • the computer of the IoT terminal for example, may be a fixed, portable, pocket, hand-held, built-in computer or a vehicle-mounted device.
  • a station For example, a station (Station, STA), a subscriber unit (subscriber unit), a subscriber station (subscriber station), a mobile station (mobile station), a mobile station (mobile), a remote station (remote station), an access point, a remote terminal ( remote terminal), access terminal (access terminal), user device (user terminal), user agent (user agent), user equipment (user device), or user equipment (user equipment, UE).
  • the terminal 11 may also be a device of an unmanned aerial vehicle.
  • the terminal 11 may also be a vehicle-mounted device, for example, a trip computer with a wireless communication function, or a wireless communication device externally connected to the trip computer.
  • the terminal 11 may also be a roadside device, for example, a street light, a signal light, or other roadside devices with a wireless communication function.
  • the base station 12 may be a network-side device in a wireless communication system.
  • the wireless communication system may be a fourth generation mobile communication (the 4th generation mobile communication, 4G) system, also known as a long term evolution (Long Term Evolution, LTE) system; or, the wireless communication system may also be a 5G system, Also known as new radio (NR) system or 5G NR system.
  • the wireless communication system may also be a next-generation system of the 5G system.
  • the access network in the 5G system can be called NG-RAN (New Generation-Radio Access Network, a new generation of radio access network).
  • the MTC system may be a network-side device in a wireless communication system.
  • the base station 12 may be an evolved base station (eNB) used in the 4G system.
  • the base station 12 may also be a base station (gNB) that adopts a centralized distributed architecture in a 5G system.
  • eNB evolved base station
  • gNB base station
  • the base station 12 adopts a centralized distributed architecture it usually includes a centralized unit (central unit, CU) and at least two distributed units (distributed unit, DU).
  • the centralized unit is provided with a protocol stack of a Packet Data Convergence Protocol (PDCP) layer, a Radio Link Control Protocol (Radio Link Control, RLC) layer, and a Media Access Control (Media Access Control, MAC) layer; distribution A physical (Physical, PHY) layer protocol stack is set in the unit, and the specific implementation manner of the base station 12 is not limited in this embodiment of the present disclosure.
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control Protocol
  • MAC Media Access Control
  • distribution A physical (Physical, PHY) layer protocol stack is set in the unit, and the specific implementation manner of the base station 12 is not limited in this embodiment of the present disclosure.
  • a wireless connection can be established between the base station 12 and the terminal 11 through a wireless air interface.
  • the wireless air interface is a wireless air interface based on the fourth generation mobile communication network technology (4G) standard; or, the wireless air interface is a wireless air interface based on the fifth generation mobile communication network technology (5G) standard, such as
  • the wireless air interface is a new air interface; alternatively, the wireless air interface may also be a wireless air interface based on a 5G next-generation mobile communication network technology standard.
  • an E2E (End to End, end-to-end) connection may also be established between the terminals 11 .
  • V2V vehicle to vehicle, vehicle-to-vehicle
  • V2I vehicle to Infrastructure, vehicle-to-roadside equipment
  • V2P vehicle to pedestrian, vehicle-to-person communication in vehicle-to-everything (V2X) communication etc. scene.
  • the above wireless communication system may further include a network management device 13 .
  • the network management device 13 may be a core network device in a wireless communication system, for example, the network management device 13 may be a mobility management entity (Mobility Management Entity) in an evolved packet core network (Evolved Packet Core, EPC). MME).
  • the network management device may also be other core network devices, such as a serving gateway (Serving GateWay, SGW), a public data network gateway (Public Data Network GateWay, PGW), a policy and charging rules functional unit (Policy and Charging Rules) Function, PCRF) or home subscriber server (Home Subscriber Server, HSS), etc.
  • the implementation form of the network management device 13 is not limited in this embodiment of the present disclosure.
  • the execution subjects involved in the embodiments of the present disclosure include, but are not limited to, artificial satellites that implement terrestrial cellular mobile communication network coverage, and user equipment such as mobile phone terminals that use cellular mobile communication network technology for wireless communication.
  • An application scenario of the embodiment of the present disclosure is that, as shown in FIG. 2 , in the NTN scenario, the network architecture in the case of transparent forwarding on the satellite side is as follows: the satellite connects to the ground station through the satellite, and then connects to the core network and the data network to establish a terminal communication channel.
  • the propagation from the UE to the base station needs to pass through satellites, satellite ground stations, and the like. Since the propagation distance is relatively long, the transmission delay between the UE and the base station will be relatively large. This has a certain impact on the timing of the communication system.
  • the research proposes to compensate the transmission delay by introducing a compensation duration, namely the Koffset value.
  • a compensation duration namely the Koffset value.
  • the base station sends an uplink scheduling instruction to schedule uplink PUSCH signaling transmission at time sequence (slot) n
  • the terminal will transmit PUSCH signaling on slot n+K1.
  • the base station sends an uplink scheduling command to schedule uplink PUSCH transmission on slot n
  • the UE will transmit PUSCH on slot n+K1+Koffset.
  • the Koffset is used to compensate for the propagation delay. Based on the same principle, similar compensation mechanisms need to be used for CSI feedback, SR transmission, HARQ transmission, etc.
  • Koffset depends on the propagation delay from the UE to the base station. For satellite communication, since different satellites may operate in space orbits at different altitudes, the value of Koffset is different. In this case, how to determine the actual value of Koffset is an urgent problem to be solved.
  • this exemplary embodiment provides a transmission delay compensation method, and the transmission delay compensation method can be applied to a user equipment UE of wireless communication, including:
  • Step 301 Determine the compensation duration from the compensation duration range associated with the serving satellite based on the received compensation duration indication information, where the compensation duration is used to compensate for the transmission delay of transmission between the UE and the base station.
  • the UE may be a mobile phone terminal or the like that uses a cellular mobile communication network technology to perform wireless communication. As shown in FIG. 2 , the UE establishes a communication connection with the base station through the transparent forwarding of the satellite and the satellite ground station.
  • the serving satellite may be the satellite currently connecting the UE and the base station.
  • the UE is within the signal coverage of the serving satellite.
  • the UE may obtain the compensation duration range associated with the serving satellite in advance.
  • the compensation duration range of the satellite may be specified by the communication protocol.
  • the compensation time range of different satellites can be different or the same.
  • satellites in the same altitude range may have the same compensation time range
  • satellites in different altitude ranges may have different compensation time ranges.
  • the compensation duration indication information may be sent to the UE by the serving satellite. It can also be sent by the base station directly to the UE when the UE is in the terrestrial network.
  • the serving satellite of the UE can select a specific compensation period within the compensation period range.
  • the serving satellite may determine a specific compensation duration based on the delay in realizing the scheduling resource, and/or the requirements of different signaling for experiments, and the like.
  • the compensation duration indication information may not directly indicate the selected compensation duration, and the compensation duration indication information may be used to indicate the position of the service selected compensation duration in the compensation duration range to indicate the compensation duration. In this way, the number of bits of the compensation duration indication information is reduced, and the indication efficiency of the compensation duration indication information is improved.
  • the UE After receiving the compensation duration indication information, the UE determines a specific compensation duration from the compensation duration range, and compensates for the transmission delay transmitted between the UE and the base station based on the compensation duration.
  • the compensation duration compensates for the transmission delay of transmission between the UE and the base station, and may be the compensation duration to compensate for the resources scheduled by the base station.
  • the compensation duration may be used to compensate the start time of the resource scheduled by the base station, and the like.
  • the base station schedules the UE to transmit PUSCH signaling on slot n+K1.
  • the compensation duration of the serving satellite ranges from 5ms to 30ms
  • the compensation duration indication information indicates that the second value of the compensation duration indication information is used as the specific compensation duration, that is, the compensation duration is 6ms
  • the UE is based on the indication of the compensation duration indication information, Take 6ms as the specific compensation duration.
  • the UE shall transmit PUSCH signaling on slot n+K1+6ms.
  • the compensation duration applicable to the current serving satellite is determined from the compensation duration range through the service satellite compensation duration indication information.
  • a method for determining the compensation duration is provided; Compensation duration applicable to different satellites improves the accuracy of the compensation duration, thereby improving communication quality.
  • the compensation duration determined from the compensation duration range associated with the serving satellite based on the received compensation duration indication information includes:
  • the compensation duration corresponding to the quantization value is determined from the compensation duration range.
  • a quantization process can be performed on the compensation duration range.
  • the infinite number of compensation periods included in the compensation period range is quantified as the priority number of compensation periods.
  • N compensation durations at predetermined time intervals within the compensation duration range can be divided by a quantization constant and rounded to an integer, so that N quantized values can be obtained, where N is a positive integer greater than or equal to 1.
  • the N quantization values and the N compensation times have a one-to-one correspondence.
  • the compensation duration indication information may directly indicate the quantization value.
  • the UE may determine the compensation duration corresponding to the quantized value based on the quantized value.
  • a certain compensation duration range can be quantized into 8 quantized values, then, the compensation duration indication information value needs to use 3 bits, which can indicate each quantized value.
  • the method further includes:
  • Step 302 According to the characteristic parameter of the serving satellite, and based on the corresponding relationship of the compensation time range, determine the compensation time range corresponding to the characteristic parameter.
  • the characteristic parameter may be a parameter used to characterize a type of satellite, for example, the characteristic parameter may be a satellite indicating an orbit in a certain altitude range.
  • the characteristic parameter can also be used to uniquely indicate a parameter of a satellite, for example, the characteristic parameter can be the unique identifier of the satellite.
  • the corresponding relationship of the compensation duration ranges may be used to indicate different characteristic parameters and their corresponding compensation duration ranges.
  • the UE may determine the compensation duration range of the serving satellite based on the characteristic parameters of the serving satellite.
  • the compensation duration range of the serving satellite can be accurately determined, and the accuracy of the determined compensation duration is improved.
  • the characteristic parameter includes: the altitude range of the serving satellite and/or the satellite identifier of the serving satellite;
  • the corresponding relationship of the compensation duration range includes at least one of the following:
  • the corresponding relationship of the compensation time length range may be a corresponding relationship between the height range and the compensation time length range.
  • the corresponding compensation duration range may be 5ms to 30ms.
  • the altitude range of the satellite is 600km ⁇ 1200km, and the corresponding compensation time range can be 30ms ⁇ 600ms.
  • the corresponding relationship of the compensation time length range may be the corresponding relationship between the satellite identifier and the compensation time length range.
  • the corresponding compensation duration range may be 5ms to 30ms.
  • the corresponding compensation duration range may be 30ms to 600ms.
  • the UE may determine the compensation duration range of the serving satellite from the corresponding relationship based on characteristic parameters of the serving satellite, that is, the altitude range of the serving satellite and/or the satellite identifier of the serving satellite.
  • the corresponding relationship of the compensation duration range is specified by a communication protocol.
  • the UE may determine the compensation duration range in advance according to the communication protocol, and determine the compensation duration of the serving satellite based on the compensation duration range.
  • the method further includes:
  • Second indication information indicating the corresponding relationship of the compensation duration range is received.
  • the corresponding relationship between the compensation duration and the range may be sent to the UE through a serving satellite or a terrestrial base station or the like.
  • the corresponding relationship between the compensation duration and range can be changed according to the actual situation.
  • the real-time performance of the corresponding relationship between the compensation duration and range can be improved by sending the serving satellite or the ground base station through the serving satellite or the ground base station.
  • the receiving second indication information indicating the corresponding relationship of the compensation duration range includes:
  • the corresponding relationship of the compensation duration range may be sent to the UE through the broadcasted system information or the like.
  • the corresponding relationship of the compensation duration range can also be sent to the UE through high-layer signaling such as RRC.
  • the corresponding relationship of the compensation duration range can also be sent to the UE through physical layer signaling such as DCI.
  • the second indication information carried by existing system information, and/or high-layer signaling, and/or physical layer signaling is used.
  • the utilization efficiency of existing system information, and/or high-layer signaling, and/or physical layer signaling is improved.
  • the base station may also use dedicated system information, and/or high-layer signaling, and/or physical layer signaling to carry the second indication information.
  • the method further includes:
  • the first indication information sent by the serving satellite and used for determining the characteristic parameter is received.
  • the first indication information may be used to directly indicate the characteristic parameter, or may be used to indicate the information for indirectly determining the characteristic parameter.
  • the first indication information for determining the characteristic parameter is used to indicate at least one of the following:
  • the altitude of the serving satellite wherein the altitude of the serving satellite is used for the UE to determine the altitude range where the serving satellite is located;
  • Ephemeris of the serving satellite wherein the ephemeris of the serving satellite is used for the UE to determine the altitude range where the serving satellite is located.
  • the serving satellite may send the current altitude of the serving satellite to the UE, and the UE may determine the compensation duration range according to the corresponding relationship between the altitude range and the compensation duration range based on the altitude range where the current altitude of the serving satellite is located.
  • the serving satellite may send the satellite identification of the serving satellite to the UE, and the UE may determine the compensation duration range according to the correspondence between the satellite identification and the compensation duration range.
  • the ephemeris can indicate the orbital conditions of the serving satellite at different times, and the UE can determine the corresponding altitude range based on the current orbital condition of the serving satellite, and then determine the compensation duration range according to the correspondence between the altitude range and the compensation duration range.
  • the method further includes:
  • the compensation duration in absolute time units is converted into the compensation duration in logical time units.
  • resources are usually scheduled in logical time units such as time slots.
  • the compensation duration can be directly used to compensate the transmission delay.
  • the compensation duration in a logical time unit may be adopted based on the current parameter set (numerology) information. For example, if the compensation duration is 10ms, assuming that the parameter set used by the current PUSCH is 15khz, that is, the duration of one slot is 1ms, then the compensation duration is 10 slots. In this way, the determined compensation duration can be compatible with the calculation method of the related art, and the calculation convenience is improved.
  • this exemplary embodiment provides a transmission delay compensation method, and the transmission delay compensation method can be applied to a satellite of wireless communication, including:
  • Step 501 Send compensation duration indication information, wherein the compensation duration indication information is used for the compensation duration determined by the UE from the compensation duration range associated with the satellite, wherein the compensation duration is used to compensate the UE The transmission delay of transmission to and from the base station.
  • the UE may be a mobile phone terminal or the like that uses a cellular mobile communication network technology to perform wireless communication. As shown in FIG. 2 , the UE establishes a communication connection with the base station through the transparent forwarding of the satellite and the satellite ground station.
  • the satellite is the serving satellite of the UE.
  • the serving satellite may be the satellite currently connecting the UE and the base station.
  • the UE is within the signal coverage of the serving satellite.
  • the serving satellite may send compensation duration indication information to UEs within the signal coverage.
  • the UE may obtain the compensation duration range associated with the serving satellite in advance.
  • the compensation duration range of the satellite may be specified by the communication protocol.
  • the compensation time range of different satellites can be different or the same.
  • satellites in the same altitude range may have the same compensation time range
  • satellites in different altitude ranges may have different compensation time ranges.
  • the serving satellite of the UE can select a specific compensation period within the compensation period range.
  • the serving satellite may determine a specific compensation duration based on the delay in realizing the scheduling resource, and/or the requirements of different signaling for experiments, and the like.
  • the compensation duration indication information may not directly indicate the selected compensation duration, and the compensation duration indication information may be used to indicate the position of the service selected compensation duration in the compensation duration range to indicate the compensation duration. In this way, the number of bits of the compensation duration indication information is reduced, and the indication efficiency of the compensation duration indication information is improved.
  • the UE After receiving the compensation duration indication information, the UE determines a specific compensation duration from the compensation duration range, and compensates for the transmission delay transmitted between the UE and the base station based on the compensation duration.
  • the compensation duration compensates for the transmission delay of transmission between the UE and the base station, and may be the compensation duration to compensate for the resources scheduled by the base station.
  • the compensation duration may be used to compensate the start time of the resource scheduled by the base station, and the like.
  • the base station schedules the UE to transmit PUSCH signaling on slot n+K1.
  • the compensation duration of the serving satellite ranges from 5ms to 30ms
  • the compensation duration indication information indicates that the second value of the compensation duration indication information is used as the specific compensation duration, that is, the compensation duration is 6ms
  • the UE is based on the indication of the compensation duration indication information, Take 6ms as the specific compensation duration.
  • the UE shall transmit PUSCH signaling on slot n+K1+6ms.
  • the compensation duration applicable to the current serving satellite is determined from the compensation duration range through the service satellite compensation duration indication information.
  • a method for determining the compensation duration is provided; Compensation duration applicable to different satellites improves the accuracy of the compensation duration, thereby improving communication quality.
  • the compensation duration indication information is used to indicate the indicated quantization value corresponding to the compensation duration in the compensation duration range.
  • a quantization process can be performed on the compensation duration range.
  • the infinite number of compensation periods included in the compensation period range is quantified as the priority number of compensation periods.
  • N compensation durations at predetermined time intervals within the compensation duration range can be divided by a quantization constant and rounded to an integer, so that N quantized values can be obtained, where N is a positive integer greater than or equal to 1.
  • the N quantization values and the N compensation times have a one-to-one correspondence.
  • the compensation duration indication information may directly indicate the quantization value.
  • the UE may determine the compensation duration corresponding to the quantized value based on the quantized value.
  • a certain compensation duration range can be quantized into 8 quantized values, then, the compensation duration indication information value needs to use 3 bits, which can indicate each quantized value.
  • the method further includes:
  • Step 502 Send first indication information indicating the characteristic parameter of the satellite, wherein the characteristic parameter is used for the UE to determine the compensation duration range corresponding to the characteristic parameter based on the corresponding relationship of the compensation duration range.
  • the first indication information may be directly used to indicate the characteristic parameter, or may be used to indicate the information for indirectly determining the characteristic parameter.
  • the characteristic parameter may be a parameter used to characterize a type of satellite, for example, the characteristic parameter may be a satellite indicating an orbit in a certain altitude range.
  • the characteristic parameter can also be used to uniquely indicate a parameter of a satellite, for example, the characteristic parameter can be the unique identifier of the satellite.
  • the corresponding relationship of the compensation duration ranges may be used to indicate different characteristic parameters and their corresponding compensation duration ranges.
  • the UE may determine the compensation duration range of the serving satellite based on the characteristic parameters of the serving satellite.
  • the compensation duration range of the serving satellite can be accurately determined, and the accuracy of the determined compensation duration is improved.
  • the characteristic parameter includes: the altitude range of the satellite and/or the satellite identifier of the satellite;
  • the corresponding relationship of the compensation duration range includes at least one of the following:
  • the corresponding relationship of the compensation time length range may be a corresponding relationship between the height range and the compensation time length range.
  • the corresponding compensation duration range may be 5ms to 30ms.
  • the altitude range of the satellite is 600km ⁇ 1200km, and the corresponding compensation time range can be 30ms ⁇ 600ms.
  • the corresponding relationship of the compensation time length range may be the corresponding relationship between the satellite identifier and the compensation time length range.
  • the corresponding compensation duration range may be 5ms to 30ms.
  • the corresponding compensation duration range may be 30ms to 600ms.
  • the UE may determine the compensation duration range of the serving satellite from the corresponding relationship based on characteristic parameters of the serving satellite, that is, the altitude range of the serving satellite and/or the satellite identifier of the serving satellite.
  • the first indication information is used to indicate at least one of the following:
  • the altitude of the satellite wherein the altitude of the satellite is used for the UE to determine the altitude range where the satellite is located;
  • the ephemeris of the satellite wherein the ephemeris of the satellite is used for the UE to determine the altitude range where the satellite is located.
  • the serving satellite may send the current altitude of the serving satellite to the UE, and the UE may determine the compensation duration range according to the corresponding relationship between the altitude range and the compensation duration range based on the altitude range where the current altitude of the serving satellite is located.
  • the serving satellite may send the satellite identification of the serving satellite to the UE, and the UE may determine the compensation duration range according to the correspondence between the satellite identification and the compensation duration range.
  • the ephemeris can indicate the orbital conditions of the serving satellite at different times, and the UE can determine the corresponding altitude range based on the current orbital condition of the serving satellite, and then determine the compensation duration range according to the correspondence between the altitude range and the compensation duration range.
  • the corresponding relationship of the compensation duration range is specified by a communication protocol.
  • the UE may determine the compensation duration range in advance according to the communication protocol, and determine the compensation duration of the serving satellite based on the compensation duration range.
  • the method further includes:
  • the corresponding relationship between the compensation duration and the range may be sent to the UE through a serving satellite or a terrestrial base station or the like.
  • the corresponding relationship between the compensation duration and range can be changed according to the actual situation.
  • the real-time performance of the corresponding relationship between the compensation duration and range can be improved by transmitting the serving satellite or the ground base station, etc. through the serving satellite or the ground base station.
  • the sending second indication information indicating the corresponding relationship of the compensation duration range includes:
  • the corresponding relationship of the compensation duration range may be sent to the UE through the broadcasted system information or the like.
  • the corresponding relationship of the compensation duration range can also be sent to the UE through high-layer signaling such as RRC.
  • the corresponding relationship of the compensation duration range can also be sent to the UE through physical layer signaling such as DCI.
  • the second indication information carried by existing system information, and/or high-layer signaling, and/or physical layer signaling is used.
  • the utilization efficiency of existing system information, and/or high-layer signaling, and/or physical layer signaling is improved.
  • the base station may also use dedicated system information, and/or high-layer signaling, and/or physical layer signaling to carry the second indication information.
  • This example provides two methods for determining the compensation duration.
  • the Koffset value range for example, specified in the protocol, or in system information, or in high-level signaling, or in physical layer signaling.
  • the Koffset value range for example, specified in the protocol, or in system information, or in high-level signaling, or in physical layer signaling.
  • the terminal determines the value range of Koffset based on the ephemeris information or altitude information broadcast by the serving satellite, so that the compensation duration, that is, the specific value of Koffset, can be determined based on the indication information. For example, if the value range corresponding to a certain height information is quantized into 8 values, the specific value of Koffset can be determined through the 3-bit indication information.
  • the Koffset value range for example, specified in the protocol, or in system information, or in high-level signaling or physical layer signaling. Notify the following correspondence ⁇ (ID 1, 5 ⁇ 30ms), (ID 2, 30 ⁇ 600ms)... ⁇ .
  • the terminal determines the compensation duration, that is, the value range of Koffset based on the serving satellite ID of the serving satellite broadcast, so that the specific value of Koffset can be determined based on the indication information.
  • the unit of Koffset can be related to the specific operation.
  • Koffset can be in absolute time units. In this case, when calculating the timing relationship, it is necessary to add the corresponding time slot to the determined operation based on the current parameter set (numerology) information. number. For example, if Koffset is 10ms, then assuming that the numerology used by the current PUSCH is 15khz, that is, the time length of one time slot is 1ms, then Koffset corresponds to 10 time slots.
  • Koffset may also be a logical time unit, such as n time slots.
  • Koffset time slots can be directly added to the determined operation.
  • An embodiment of the present invention further provides a transmission delay compensation device, which is applied to a UE.
  • the transmission delay compensation device 100 includes: a first determination module 110, wherein:
  • the first determining module 110 is configured to determine the compensation duration from the compensation duration range associated with the serving satellite based on the received compensation duration indication information, wherein the compensation duration is used to compensate the relationship between the UE and the base station.
  • the transmission delay between transmissions is configured to determine the compensation duration from the compensation duration range associated with the serving satellite based on the received compensation duration indication information, wherein the compensation duration is used to compensate the relationship between the UE and the base station.
  • the first determining module 110 includes:
  • the first determination sub-module 111 is configured to determine the compensation duration corresponding to the quantization value from the compensation duration range based on the quantization value indicated by the compensation duration indication information.
  • the apparatus 100 further includes:
  • the second determining module 120 is configured to determine the compensation duration range corresponding to the characteristic parameter based on the corresponding relationship of the compensation duration range according to the characteristic parameter of the serving satellite.
  • the characteristic parameter includes: the altitude range of the serving satellite and/or the satellite identifier of the serving satellite;
  • the corresponding relationship of the compensation duration range includes at least one of the following:
  • the apparatus 100 further includes:
  • the first receiving module 130 is configured to receive the first indication information sent by the serving satellite and used for determining the characteristic parameter.
  • the first indication information for determining the characteristic parameter is used to indicate at least one of the following:
  • the altitude of the serving satellite wherein the altitude of the serving satellite is used for the UE to determine the altitude range where the serving satellite is located;
  • the ephemeris of the serving satellite wherein the ephemeris of the serving satellite is used for the UE to determine the altitude range where the serving satellite is located.
  • the corresponding relationship of the compensation duration range is specified by a communication protocol.
  • the apparatus 100 further includes:
  • the second receiving module 140 is configured to receive second indication information indicating the corresponding relationship between the compensation duration ranges.
  • the second receiving module 140 includes:
  • the receiving sub-module 141 is configured to receive system information, and/or high-layer signaling, and/or physical layer signaling carrying the second indication information indicating the corresponding relationship between the compensation duration ranges.
  • the apparatus 100 further includes:
  • the conversion module 150 is configured to convert the compensation duration in absolute time units into the compensation duration in logical time units based on the parameter set.
  • An embodiment of the present invention further provides a transmission delay compensation device, which is applied to a satellite.
  • the transmission delay compensation device 200 includes: a first sending module 210, wherein:
  • the first sending module 210 is configured to send compensation duration indication information, wherein the compensation duration indication information is used for the compensation duration determined by the UE from the compensation duration range associated with the satellite, wherein the compensation duration , which is used to compensate the transmission delay of the transmission between the UE and the base station.
  • the compensation duration indication information is used to indicate the indicated quantization value corresponding to the compensation duration in the compensation duration range.
  • the apparatus 200 further includes:
  • the second sending module 220 is configured to send first indication information indicating characteristic parameters of the satellite, wherein the characteristic parameters are used by the UE to determine the Compensation time range.
  • the characteristic parameter includes: the altitude range of the satellite and/or the satellite identifier of the satellite;
  • the corresponding relationship of the compensation duration range includes at least one of the following:
  • the first indication information is used to indicate at least one of the following:
  • the altitude of the satellite wherein the altitude of the satellite is used for the UE to determine the altitude range where the satellite is located;
  • the ephemeris of the satellite wherein the ephemeris of the satellite is used for the UE to determine the altitude range where the satellite is located.
  • the corresponding relationship of the compensation duration range is specified by a communication protocol.
  • the apparatus 200 further includes:
  • the third sending module 230 is configured to send second indication information indicating the corresponding relationship of the compensation duration range.
  • the third sending module 230 includes:
  • the sending sub-module 231 is configured to send the system information carrying the second indication information indicating the corresponding relationship of the compensation duration range, and/or high layer signaling, and/or physical layer signaling.
  • the sending module 230 and the like can be controlled by one or more central processing units (CPU, Central Processing Unit), graphics processing unit (GPU, Graphics Processing Unit), baseband processor (BP, baseband processor), application-specific integrated circuit (ASIC, Application Specific Integrated Circuit), DSP, Programmable Logic Device (PLD, Programmable Logic Device), Complex Programmable Logic Device (CPLD, Complex Programmable Logic Device), Field Programmable Gate Array (FPGA, Field-Programmable Gate Array), general processing A controller, a controller, a Micro Controller Unit (MCU, Micro Controller Unit), a Microprocessor (Microprocessor), or other electronic components are implemented for performing the aforementioned method.
  • CPU Central Processing Unit
  • GPU Graphics Processing Unit
  • BP baseband processor
  • ASIC Application Specific Integrated Circuit
  • DSP Programmable Logic Device
  • PLD
  • FIG. 9 is a block diagram of an apparatus 3000 for transmission delay compensation according to an exemplary embodiment.
  • apparatus 3000 may be a mobile phone, computer, digital broadcast terminal, messaging device, game console, tablet device, medical device, fitness device, personal digital assistant, and the like.
  • an apparatus 3000 may include one or more of the following components: a processing component 3002, a memory 3004, a power supply component 3006, a multimedia component 3008, an audio component 3010, an input/output (I/O) interface 3012, a sensor component 3014, And the communication component 3016.
  • the processing component 3002 generally controls the overall operation of the apparatus 3000, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
  • the processing component 3002 can include one or more processors 3020 to execute instructions to perform all or some of the steps of the methods described above.
  • processing component 3002 may include one or more modules that facilitate interaction between processing component 3002 and other components.
  • processing component 3002 may include a multimedia module to facilitate interaction between multimedia component 3008 and processing component 3002.
  • Memory 3004 is configured to store various types of data to support operation at device 3000 . Examples of such data include instructions for any application or method operating on the device 3000, contact data, phonebook data, messages, pictures, videos, and the like. Memory 3004 may be implemented by any type of volatile or non-volatile storage device or combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Magnetic or Optical Disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read only memory
  • EPROM erasable Programmable Read Only Memory
  • PROM Programmable Read Only Memory
  • ROM Read Only Memory
  • Magnetic Memory Flash Memory
  • Magnetic or Optical Disk Magnetic Disk
  • Power supply assembly 3006 provides power to various components of device 3000.
  • Power supply components 3006 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power to device 3000.
  • Multimedia component 3008 includes a screen that provides an output interface between device 3000 and the user.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from a user.
  • the touch panel includes one or more touch sensors to sense touch, swipe, and gestures on the touch panel. A touch sensor can sense not only the boundaries of a touch or swipe action, but also the duration and pressure associated with the touch or swipe action.
  • the multimedia component 3008 includes a front-facing camera and/or a rear-facing camera. When the apparatus 3000 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera may receive external multimedia data. Each of the front and rear cameras can be a fixed optical lens system or have focal length and optical zoom capability.
  • Audio component 3010 is configured to output and/or input audio signals.
  • audio component 3010 includes a microphone (MIC) that is configured to receive external audio signals when device 3000 is in operating modes, such as call mode, recording mode, and voice recognition mode.
  • the received audio signal may be further stored in memory 3004 or transmitted via communication component 3016.
  • the audio component 3010 also includes a speaker for outputting audio signals.
  • the I/O interface 3012 provides an interface between the processing component 3002 and a peripheral interface module, which may be a keyboard, a click wheel, a button, and the like. These buttons may include, but are not limited to: home button, volume buttons, start button, and lock button.
  • Sensor assembly 3014 includes one or more sensors for providing status assessment of various aspects of device 3000.
  • the sensor assembly 3014 can detect the open/closed state of the device 3000, the relative positioning of the components, such as the display and keypad of the device 3000, the sensor assembly 3014 can also detect the position change of the device 3000 or a component of the device 3000, the user The presence or absence of contact with the device 3000, the orientation or acceleration/deceleration of the device 3000 and the temperature change of the device 3000.
  • Sensor assembly 3014 may include a proximity sensor configured to detect the presence of nearby objects in the absence of any physical contact.
  • Sensor assembly 3014 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor component 3014 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 3016 is configured to facilitate wired or wireless communication between apparatus 3000 and other devices.
  • the apparatus 3000 may access a wireless network based on a communication standard, such as Wi-Fi, 2G or 3G, or a combination thereof.
  • the communication component 3016 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel.
  • the communication component 3016 also includes a near field communication (NFC) module to facilitate short-range communication.
  • NFC near field communication
  • the NFC module may be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • apparatus 3000 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A gate array (FPGA), controller, microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable A gate array
  • controller microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • non-transitory computer-readable storage medium including instructions, such as a memory 3004 including instructions, which are executable by the processor 3020 of the apparatus 3000 to perform the above method.
  • the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.

Abstract

本公开实施例是关于传输时延补偿方法、装置、通信设备和存储介质，用户设备(UE)基于接收的补偿时长指示信息，从服务卫星关联的补偿时长范围中，确定出补偿时长，其中，所述补偿时长用于补偿所述UE与基站之间传输的传输时延。

Description

传输时延补偿方法、装置、通信设备和存储介质 技术领域
本申请涉及无线通信技术领域但不限于无线通信技术领域，尤其涉及传输时延补偿方法、装置、通信设备和存储介质。
背景技术
在蜂窝移动通信技术的非地面网络(NTN，Non-Terrestrial Networks)等场景研究中，卫星通信被认为是未来蜂窝移动通信技术发展的一个重要方面。卫星通信是指地面上的蜂窝移动通信设备利用卫星作为中继而进行的通信。卫星通信系统由卫星部分和地面部分组成。卫星通信的特点是：通信范围大；只要在卫星发射的电波所覆盖的范围内，从任何两点之间都可进行通信；不易受陆地灾害的影响。
发明内容
有鉴于此，本公开实施例提供了一种传输时延补偿方法、装置、通信设备和存储介质。
根据本公开实施例的第一方面，提供一种传输时延补偿方法，其中，应用于用户设备(UE，User Equipment)，所述方法包括：
基于接收的补偿时长指示信息，从服务卫星关联的补偿时长范围中，确定出的补偿时长，其中，所述补偿时长，用于补偿所述UE与基站之间传输的传输时延。
在一个实施例中，所述基于接收的补偿时长指示信息，从服务卫星关联的补偿时长范围中，确定出的补偿时长，包括：
基于所述补偿时长指示信息所指示量化值，从所述补偿时长范围中确 定与所述量化值对应的所述补偿时长。
在一个实施例中，所述方法还包括：
根据所述服务卫星的特征参数，基于补偿时长范围对应关系，确定与所述特征参数对应的所述补偿时长范围。
在一个实施例中，所述特征参数包括：所述服务卫星的高度范围和/或所述服务卫星的卫星标识；
所述补偿时长范围对应关系，包括至少以下之一：
高度范围与补偿时长范围的对应关系；
卫星标识与补偿时长范围的对应关系。
在一个实施例中，所述方法还包括：
接收所述服务卫星发送的用于确定所述特征参数的第一指示信息。
在一个实施例中，所述用于确定所述特征参数的第一指示信息用于指示至少以下之一：
所述服务卫星的高度，其中，所述服务卫星的高度用于供所述UE确定所述服务卫星所处的高度范围；
所述服务卫星的卫星标识；
所述服务卫星的星历，其中，所述服务卫星的星历用于供所述UE确定所述服务卫星所处的高度范围。
在一个实施例中，所述补偿时长范围对应关系是通信协议规定的。
在一个实施例中，所述方法还包括：
接收指示所述补偿时长范围对应关系的第二指示信息。
在一个实施例中，所述接收指示所述补偿时长范围对应关系的第二指示信息，包括：
接收携带有所述指示所述补偿时长范围对应关系的第二指示信息的系统信息、和/或高层信令、和/或物理层信令。
在一个实施例中，所述方法还包括：
基于参数集，将以绝对时间单位作为单位的所述补偿时长，转换为以逻辑时间单位作为单位的所述补偿时长。
根据本公开实施例的第二方面，提供一种传输时延补偿方法，其中，应用于卫星，所述方法包括：
发送补偿时长指示信息，其中，所述补偿时长指示信息，用于供UE从卫星关联的补偿时长范围中，确定出的补偿时长，其中，所述补偿时长，用于补偿所述UE与基站之间传输的传输时延。
在一个实施例中，所述补偿时长指示信息用于指示所指示与所述补偿时长范围中的所述补偿时长对应的量化值。
在一个实施例中，所述方法还包括：
发送指示所述卫星的特征参数的第一指示信息，其中，所述特征参数，用于供UE基于补偿时长范围对应关系，确定与所述特征参数对应的所述补偿时长范围。
在一个实施例中，所述特征参数包括：所述卫星的高度范围和/或所述卫星的卫星标识；
所述补偿时长范围对应关系，包括至少以下之一：
高度范围与补偿时长范围的对应关系；
卫星标识与补偿时长范围的对应关系。
在一个实施例中，所述第一指示信息用于指示至少以下之一：
所述卫星的高度，其中，所述卫星的高度用于供所述UE确定所述卫星所处的高度范围；
所述卫星的卫星标识；
所述卫星的星历，其中，所述卫星的星历用于供所述UE确定所述卫星所处的高度范围。
在一个实施例中，所述补偿时长范围对应关系是通信协议规定的。
在一个实施例中，所述方法还包括：
发送指示所述补偿时长范围对应关系的第二指示信息。
在一个实施例中，所述发送指示所述补偿时长范围对应关系的第二指示信息，包括：
发送携带有所述指示所述补偿时长范围对应关系的第二指示信息的系统信息、和/或高层信令、和/或物理层信令。
根据本公开实施例的第三方面，提供一种传输时延补偿装置，其中，应用于UE，所述装置包括：第一确定模块，其中，
所述第一确定模块，配置为基于接收的补偿时长指示信息，从服务卫星关联的补偿时长范围中，确定出的补偿时长，其中，所述补偿时长，用于补偿所述UE与基站之间传输的传输时延。
在一个实施例中，所述第一确定模块，包括：
第一确定子模块，配置为基于所述补偿时长指示信息所指示量化值，从所述补偿时长范围中确定与所述量化值对应的所述补偿时长。
在一个实施例中，所述装置还包括：
第二确定模块，配置为根据所述服务卫星的特征参数，基于补偿时长范围对应关系，确定与所述特征参数对应的所述补偿时长范围。
在一个实施例中，所述特征参数包括：所述服务卫星的高度范围和/或所述服务卫星的卫星标识；
所述补偿时长范围对应关系，包括至少以下之一：
高度范围与补偿时长范围的对应关系；
卫星标识与补偿时长范围的对应关系。
在一个实施例中，所述装置还包括：
第一接收模块，配置为接收所述服务卫星发送的用于确定所述特征参 数的第一指示信息。
在一个实施例中，所述用于确定所述特征参数的第一指示信息用于指示至少以下之一：
所述服务卫星的高度，其中，所述服务卫星的高度，用于供所述UE确定所述服务卫星所处的高度范围；
所述服务卫星的卫星标识；
所述服务卫星的星历，其中，所述服务卫星的星历，用于供所述UE确定所述服务卫星所处的高度范围。
在一个实施例中，所述补偿时长范围对应关系是通信协议规定的。
在一个实施例中，所述装置还包括：
第二接收模块，配置为接收指示所述补偿时长范围对应关系的第二指示信息。
在一个实施例中，所述第二接收模块，包括：
接收子模块，配置为接收携带有所述指示所述补偿时长范围对应关系的第二指示信息的系统信息、和/或高层信令、和/或物理层信令。
在一个实施例中，所述装置还包括：
转换模块，配置为基于参数集，将以绝对时间单位作为单位的所述补偿时长，转换为以逻辑时间单位作为单位的所述补偿时长。
根据本公开实施例的第四方面，提供一种传输时延补偿装置，其中，应用于卫星，所述装置包括：第一发送模块，其中，
所述第一发送模块，配置为发送补偿时长指示信息，其中，所述补偿时长指示信息，用于供UE从卫星关联的补偿时长范围中，确定出的补偿时长，其中，所述补偿时长，用于补偿所述UE与基站之间传输的传输时延。
在一个实施例中，所述补偿时长指示信息用于指示所指示与所述补偿时长范围中的所述补偿时长对应的量化值。
在一个实施例中，所述装置还包括：
第二发送模块，配置为发送指示所述卫星的特征参数的第一指示信息，其中，所述特征参数，用于供UE基于补偿时长范围对应关系，确定与所述特征参数对应的所述补偿时长范围。
在一个实施例中，所述特征参数包括：所述卫星的高度范围和/或所述卫星的卫星标识；
所述补偿时长范围对应关系，包括至少以下之一：
高度范围与补偿时长范围的对应关系；
卫星标识与补偿时长范围的对应关系。
在一个实施例中，所述第一指示信息用于指示至少以下之一：
所述卫星的高度，其中，所述卫星的高度用于供所述UE确定所述卫星所处的高度范围；
所述卫星的卫星标识；
所述卫星的星历，其中，所述卫星的星历用于供所述UE确定所述卫星所处的高度范围。
在一个实施例中，所述补偿时长范围对应关系是通信协议规定的。
在一个实施例中，所述装置还包括：
第三发送模块，配置为发送指示所述补偿时长范围对应关系的第二指示信息。
在一个实施例中，所述第三发送模块，包括：
发送子模块，配置为发送携带有所述指示所述补偿时长范围对应关系的第二指示信息的系统信息、和/或高层信令、和/或物理层信令。
根据本公开实施例的第五方面，提供一种通信设备装置，包括处理器、存储器及存储在存储器上并能够有所述处理器运行的可执行程序，其中，所述处理器运行所述可执行程序时执行如第一方面或第二方面所述传输时 延补偿方法的步骤。
根据本公开实施例的第六方面，提供一种通信设备装置，包括处理器、存储器及存储在存储器上并能够有所述处理器运行的可执行程序，其中，所述处理器运行所述可执行程序时执行如第一方面或第二方面所述传输时延补偿方法的步骤。
本公开实施例提供的传输时延补偿方法、装置、通信设备以及存储介质。UE基于接收的补偿时长指示信息，从服务卫星关联的补偿时长范围中，确定出的补偿时长，其中，所述补偿时长，用于补偿所述UE与基站之间传输的传输时延。如此，通过服务卫星补偿时长指示信息，从补偿时长范围内确定出适用于当前服务卫星的补偿时长，一方面提供了一种确定补偿时长的方法，另一方面，可以针对不同的卫星，确定出与不同卫星适用的补偿时长，提高的补偿时长的精确程度，进而提高了通信质量。
应当理解的是，以上的一般描述和后文的细节描述仅是示例性和解释性的，并不能限制本公开实施例。
附图说明
此处的附图被并入说明书中并构成本说明书的一部分，示出了符合本发明实施例，并与说明书一起用于解释本发明实施例的原理。
图1是根据一示例性实施例示出的一种无线通信系统的结构示意图；
图2是根据一示例性实施例示出的NTN场景网络机构示意图；
图3是根据一示例性实施例示出的一种传输时延补偿方法的流程示意图；
图4是根据一示例性实施例示出的另一种传输时延补偿方法的流程示意图；
图5是根据一示例性实施例示出的又一种传输时延补偿方法的流程示意图；
图6是根据一示例性实施例示出的再一种传输时延补偿方法的流程示意图；
图7是根据一示例性实施例示出的一种传输时延补偿装置的框图；
图8是根据一示例性实施例示出的另一种传输时延补偿装置的框图；
图9是根据一示例性实施例示出的一种用于传输时延补偿的装置的框图。
具体实施方式
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本发明实施例相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本发明实施例的一些方面相一致的装置和方法的例子。
在本公开实施例使用的术语是仅仅出于描述特定实施例的目的，而非旨在限制本公开实施例。在本公开实施例和所附权利要求书中所使用的单数形式的“一种”、“所述”和“该”也旨在包括多数形式，除非上下文清楚地表示其他含义。还应当理解，本文中使用的术语“和/或”是指并包含一个或多个相关联的列出项目的任何或所有可能组合。
应当理解，尽管在本公开实施例可能采用术语第一、第二、第三等来描述各种信息，但这些信息不应限于这些术语。这些术语仅用来将同一类型的信息彼此区分开。例如，在不脱离本公开实施例范围的情况下，第一信息也可以被称为第二信息，类似地，第二信息也可以被称为第一信息。取决于语境，如在此所使用的词语“如果”可以被解释成为“在……时”或“当……时”或“响应于确定”。
请参考图1，其示出了本公开实施例提供的一种无线通信系统的结构示意图。如图1所示，无线通信系统是基于蜂窝移动通信技术的通信系统， 该无线通信系统可以包括：若干个终端11以及若干个基站12。
其中，终端11可以是指向用户提供语音和/或数据连通性的设备。终端11可以经无线接入网(Radio Access Network，RAN)与一个或多个核心网进行通信，终端11可以是物联网终端，如传感器设备、移动电话(或称为“蜂窝”电话)和具有物联网终端的计算机，例如，可以是固定式、便携式、袖珍式、手持式、计算机内置的或者车载的装置。例如，站(Station，STA)、订户单元(subscriber unit)、订户站(subscriber station)、移动站(mobile station)、移动台(mobile)、远程站(remote station)、接入点、远程终端(remote terminal)、接入终端(access terminal)、用户装置(user terminal)、用户代理(user agent)、用户设备(user device)、或用户终端(user equipment，UE)。或者，终端11也可以是无人飞行器的设备。或者，终端11也可以是车载设备，比如，可以是具有无线通信功能的行车电脑，或者是外接行车电脑的无线通信设备。或者，终端11也可以是路边设备，比如，可以是具有无线通信功能的路灯、信号灯或者其它路边设备等。
基站12可以是无线通信系统中的网络侧设备。其中，该无线通信系统可以是第四代移动通信技术(the 4th generation mobile communication，4G)系统，又称长期演进(Long Term Evolution，LTE)系统；或者，该无线通信系统也可以是5G系统，又称新空口(new radio，NR)系统或5G NR系统。或者，该无线通信系统也可以是5G系统的再下一代系统。其中，5G系统中的接入网可以称为NG-RAN(New Generation-Radio Access Network，新一代无线接入网)。或者，MTC系统。
其中，基站12可以是4G系统中采用的演进型基站(eNB)。或者，基站12也可以是5G系统中采用集中分布式架构的基站(gNB)。当基站12采用集中分布式架构时，通常包括集中单元(central unit，CU)和至少两个分布单元(distributed unit，DU)。集中单元中设置有分组数据汇聚协议 (Packet Data Convergence Protocol，PDCP)层、无线链路层控制协议(Radio Link Control，RLC)层、媒体访问控制(Media Access Control，MAC)层的协议栈；分布单元中设置有物理(Physical，PHY)层协议栈，本公开实施例对基站12的具体实现方式不加以限定。
基站12和终端11之间可以通过无线空口建立无线连接。在不同的实施方式中，该无线空口是基于第四代移动通信网络技术(4G)标准的无线空口；或者，该无线空口是基于第五代移动通信网络技术(5G)标准的无线空口，比如该无线空口是新空口；或者，该无线空口也可以是基于5G的更下一代移动通信网络技术标准的无线空口。
在一些实施例中，终端11之间还可以建立E2E(End to End，端到端)连接。比如车联网通信(vehicle to everything，V2X)中的V2V(vehicle to vehicle，车对车)通信、V2I(vehicle to Infrastructure，车对路边设备)通信和V2P(vehicle to pedestrian，车对人)通信等场景。
在一些实施例中，上述无线通信系统还可以包含网络管理设备13。
若干个基站12分别与网络管理设备13相连。其中，网络管理设备13可以是无线通信系统中的核心网设备，比如，该网络管理设备13可以是演进的数据分组核心网(Evolved Packet Core，EPC)中的移动性管理实体(Mobility Management Entity，MME)。或者，该网络管理设备也可以是其它的核心网设备，比如服务网关(Serving GateWay，SGW)、公用数据网网关(Public Data Network GateWay，PGW)、策略与计费规则功能单元(Policy and Charging Rules Function，PCRF)或者归属签约用户服务器(Home Subscriber Server，HSS)等。对于网络管理设备13的实现形态，本公开实施例不做限定。
本公开实施例涉及的执行主体包括但不限于：实现地面蜂窝移动通信网络覆盖的人造卫星，以及采用蜂窝移动通信网络技术进行无线通信的手 机终端等用户设备等。
本公开实施例的一个应用场景为，如图2所示，在NTN的场景下，卫星侧透明转发情况下的网络架构如下：卫星通过连接地面站，然后再与核心网，数据网络连接建立终端的通信通道。
由于NTN场景下，UE到基站的传播需要经过卫星、卫星地面站等。由于传播距离比较远，因此，导致UE和基站之间的传输时延会比较大。这对于通信系统的时序带来一定的影响。
为了解决这个问题，研究中提出了通过引入一个补偿时长，即Koffset值来补偿传输时延。比如对于传统的陆地通信系统来讲，如果基站在时序(slot)n上发送了上行调度指令调度上行PUSCH信令传输，那么终端将在slot n+K1上传输PUSCH信令。而在NTN的场景下，如果基站在slot n上发送了上行调度指令调度上行PUSCH传输，那么UE将在slot n+K1+Koffset上传输PUSCH。所述Koffset用来补偿传播时延。基于同样的原理，对于CSI反馈，SR传输，HARQ传输等，都需要使用类似补偿机制。
Koffset的取值取决于UE到基站的传播时延。对于卫星通信来讲，由于不同卫星可能在不同高度的空间轨道上运行，导致Koffset的取值不同。在这种情况下，如何确定Koffset实际取值是亟待解决的问题。
如图3所示，本示例性实施例提供一种传输时延补偿方法，传输时延补偿方法可以应用于无线通信的用户设备UE中，包括：
步骤301：基于接收的补偿时长指示信息，从服务卫星关联的补偿时长范围中，确定出的补偿时长，其中，所述补偿时长，用于补偿所述UE与基站之间传输的传输时延。
UE可以是采用蜂窝移动通信网络技术进行无线通信的手机终端等。如图2所示，UE通过卫星以及卫星地面站的透明转发与基站建立通信连接。
服务卫星可以是当前连接UE和基站的卫星。UE处于服务卫星的信号覆盖范围内。
这里，UE可以预先获取服务卫星关联的补偿时长范围。例如，卫星的补偿时长范围可以是由通信协议规定的。
不同卫星的补偿时长范围可以不同也可以相同。例如，相同高度范围的卫星的补偿时长范围可以相同，不同高度范围的卫星的补偿时长范围不同。
补偿时长指示信息可以由服务卫星发送给UE。也可以是由UE处于地面网络时，基站直接发送给UE。
UE的服务卫星可以在补偿时长范围内选择具体的补偿时长。服务卫星可以基于实现调度资源的时延、和/或不同信令对实验的要求等确定具体的补偿时长。
补偿时长指示信息可以不直接指示选择的补偿时长，补偿时长指示信息可以用于指示服务选择的补偿时长在补偿时长范围中的位置的方式指示补偿时长。如此，减少补偿时长指示信息的比特数，提高补偿时长指示信息指示效率。
UE接收到补偿时长指示信息后，从补偿时长范围中确定出具体的补偿时长，并基于补偿时长对UE与基站之间传输的传输时延进行补偿。
补偿时长对UE与基站之间传输的传输时延进行补偿，可以是采用补偿时长补偿基站调度的资源。例如，补偿时长可以用于补偿基站调度的资源的起始时刻等。
示例性的，在地面通信中，基站调度UE在在slot n+K1上传输PUSCH信令。在NTN场景中，服务卫星的补偿时长范围为5ms～30ms，补偿时长指示信息指示补偿时长指示信息第二个值作为具体的补偿时长，即补偿时长为6ms，UE基于补偿时长指示信息的指示，将6ms作为具体的补偿时长。 UE将在slot n+K1+6ms上传输PUSCH信令。
如此，通过服务卫星补偿时长指示信息，从补偿时长范围内确定出适用于当前服务卫星的补偿时长，一方面提供了一种确定补偿时长的方法，另一方面，可以针对不同的卫星，确定出与不同卫星适用的补偿时长，提高的补偿时长的精确程度，进而提高了通信质量。
在一个实施例中，所述基于接收的补偿时长指示信息，从服务卫星关联的补偿时长范围中，确定出的补偿时长，包括：
基于所述补偿时长指示信息所指示量化值，从所述补偿时长范围中确定与所述量化值对应的所述补偿时长。
这里，可以对补偿时长范围进行量化处理。将补偿时长范围内包含的无穷个补偿时长量化为优先数量的补偿时长。例如，可以将补偿时长范围内间隔预定时间间隔的N个补偿时长，除以量化常数，并取整，如此，可以得到N个量化值，其中N为大于或等于1的正整数。N个量化值和N个补偿时间具有一一对应关系。
补偿时长指示信息可以直接指示量化值。UE可以基于量化值，确定量化值对应的补偿时长。
示例性的，某个补偿时长范围可以量化为8个量化值，那么，补偿时长指示信息值需要采用3个比特位，就可以指示每个量化值。
如此，减少补偿时长指示信息的比特数，提高补偿时长指示信息指示效率。
在一个实施例中，如图4所述，所述方法还包括：
步骤302：根据所述服务卫星的特征参数，基于补偿时长范围对应关系，确定与所述特征参数对应的所述补偿时长范围。
这里，特征参数可以是用于表征一类卫星的参数，例如特征参数可以是指示一定高度范围轨道的卫星。特征参数也可以用于唯一指示一颗卫星 的参数，例如，特征参数可以是卫星的唯一标识。
补偿时长范围对应关系可以用于指示不同特征参数与各自对应的补偿时长范围。
UE可以基于服务卫星的特征参数，确定服务卫星的补偿时长范围。
如此，可以准确确定服务卫星的补偿时长范围，提高确定出的补偿时长的准确性。
在一个实施例中，所述特征参数包括：所述服务卫星的高度范围和/或所述服务卫星的卫星标识；
所述补偿时长范围对应关系，包括至少以下之一：
高度范围与补偿时长范围的对应关系；
卫星标识与补偿时长范围的对应关系。
这里，补偿时长范围对应关系可以是高度范围与补偿时长范围的对应关系。例如：卫星的高度范围低于600km，对应的补偿时长范围可以是5ms～30ms。卫星的高度范围为600km～1200km，对应的补偿时长范围可以是30ms～600ms。
补偿时长范围对应关系可以是卫星标识与补偿时长范围的对应关系。例如：卫星标识为ID1的卫星，对应的补偿时长范围可以是5ms～30ms。卫星标识为ID2的卫星，对应的补偿时长范围可以是30ms～600ms。
UE可以基于服务卫星的特征参数，即服务卫星的高度范围和/或服务卫星的卫星标识，从对应关系中，确定服务卫星的补偿时长范围。
在一个实施例中，所述补偿时长范围对应关系是通信协议规定的。
UE可以预先根据通信协议确定补偿时长范围，并基于补偿时长范围确定出服务卫星的补偿时长。
在一个实施例中，所述方法还包括：
接收指示所述补偿时长范围对应关系的第二指示信息。
这里，补偿时长范围对应关系可以通过服务卫星或地面基站等发送给UE。补偿时长范围对应关系可以根据实际情况改变。通过服务卫星或地面基站等发送服务卫星或地面基站等发送，可以提高补偿时长范围对应关系的实时性。
在一个实施例中，所述接收指示所述补偿时长范围对应关系的第二指示信息，包括：
接收携带有所述指示所述补偿时长范围对应关系的第二指示信息的系统信息、和/或高层信令、和/或物理层信令。
这里，补偿时长范围对应关系可以通过广播的系统信息等将补偿时长范围对应关系发送给UE。
补偿时长范围对应关系也可以通过RRC等高层信令发送给UE。
补偿时长范围对应关系也可以通过DCI等物理层层信令发送给UE。
采用现有系统信息、和/或高层信令、和/或物理层信令携带的第二指示信息。提高现有系统信息、和/或高层信令、和/或物理层信令的利用效率。
基站也可以采用专用的系统信息、和/或高层信令、和/或物理层信令携带第二指示信息。
在一个实施例中，所述方法还包括：
接收所述服务卫星发送的用于确定所述特征参数的第一指示信息。
这里，第一指示信息可以直接用于指示特征参数，也可以用于指示间接确定特征参数的信息。
在一个实施例中，所述用于确定所述特征参数的第一指示信息用于指示至少以下之一：
所述服务卫星的高度，其中，所述服务卫星的高度用于供所述UE确定所述服务卫星所处的高度范围；
所述服务卫星的卫星标识；
所述服务卫星的星历，其中，所述服务卫星的星历用于供所述UE确定所述服务卫星所处的高度范围。
服务卫星可以向UE发送服务卫星当前的高度，UE可以基于服务卫星当前高度所在的高度范围，进而根据高度范围与补偿时长范围的对应关系确定补偿时长范围。
服务卫星可以向UE发送服务卫星的卫星标识，UE可以根据卫星标识与补偿时长范围的对应关系确定补偿时长范围。
星历可以指示不同时间服务卫星的轨道状况，UE可以基于服务卫星当前轨道状况确定对应的高度范围，进而根据高度范围与补偿时长范围的对应关系确定补偿时长范围。
在一个实施例中，所述方法还包括：
基于参数集，将以绝对时间单位作为单位的所述补偿时长，转换为以逻辑时间单位作为单位的所述补偿时长。
通信协议中，通常采用时隙等逻辑时间单位调度资源。
当确定出的补偿时长的单位为逻辑时间单位时，比如，补偿时长为n个时隙，可以直接在采用补偿时长进行传输时延的补偿。
当确定出的补偿时长的单位为绝对时间为单位时，可以基于当前的参数集(numerology)信息，采用逻辑时间单位的补偿时长。比如，补偿时长为10ms，那么假定当前PUSCH使用的参数集为15khz，即也就是一个时隙的时间长度是1ms，那么补偿时长为10个时隙数。如此，使得确定的补偿时长可以兼容相关技术的计算方式，提高计算便利性。
如图5所示，本示例性实施例提供一种传输时延补偿方法，传输时延补偿方法可以应用于无线通信的卫星中，包括：
步骤501：发送补偿时长指示信息，其中，所述补偿时长指示信息，用于供UE从卫星关联的补偿时长范围中，确定出的补偿时长，其中，所述补 偿时长，用于补偿所述UE与基站之间传输的传输时延。
UE可以是采用蜂窝移动通信网络技术进行无线通信的手机终端等。如图2所示，UE通过卫星以及卫星地面站的透明转发与基站建立通信连接。
这里，卫星是UE的服务卫星。服务卫星可以是当前连接UE和基站的卫星。UE处于服务卫星的信号覆盖范围内。服务卫星可以向在信号覆盖范围内的UE发送补偿时长指示信息。
这里，UE可以预先获取服务卫星关联的补偿时长范围。例如，卫星的补偿时长范围可以是由通信协议规定的。
不同卫星的补偿时长范围可以不同也可以相同。例如，相同高度范围的卫星的补偿时长范围可以相同，不同高度范围的卫星的补偿时长范围不同。
UE的服务卫星可以在补偿时长范围内选择具体的补偿时长。服务卫星可以基于实现调度资源的时延、和/或不同信令对实验的要求等确定具体的补偿时长。
补偿时长指示信息可以不直接指示选择的补偿时长，补偿时长指示信息可以用于指示服务选择的补偿时长在补偿时长范围中的位置的方式指示补偿时长。如此，减少补偿时长指示信息的比特数，提高补偿时长指示信息指示效率。
UE接收到补偿时长指示信息后，从补偿时长范围中确定出具体的补偿时长，并基于补偿时长对UE与基站之间传输的传输时延进行补偿。
补偿时长对UE与基站之间传输的传输时延进行补偿，可以是采用补偿时长补偿基站调度的资源。例如，补偿时长可以用于补偿基站调度的资源的起始时刻等。
示例性的，在地面通信中，基站调度UE在在slot n+K1上传输PUSCH信令。在NTN场景中，服务卫星的补偿时长范围为5ms～30ms，补偿时长 指示信息指示补偿时长指示信息第二个值作为具体的补偿时长，即补偿时长为6ms，UE基于补偿时长指示信息的指示，将6ms作为具体的补偿时长。UE将在slot n+K1+6ms上传输PUSCH信令。
如此，通过服务卫星补偿时长指示信息，从补偿时长范围内确定出适用于当前服务卫星的补偿时长，一方面提供了一种确定补偿时长的方法，另一方面，可以针对不同的卫星，确定出与不同卫星适用的补偿时长，提高的补偿时长的精确程度，进而提高了通信质量。
在一个实施例中，所述补偿时长指示信息用于指示所指示与所述补偿时长范围中的所述补偿时长对应的量化值。
这里，可以对补偿时长范围进行量化处理。将补偿时长范围内包含的无穷个补偿时长量化为优先数量的补偿时长。例如，可以将补偿时长范围内间隔预定时间间隔的N个补偿时长，除以量化常数，并取整，如此，可以得到N个量化值，其中N为大于或等于1的正整数。N个量化值和N个补偿时间具有一一对应关系。
补偿时长指示信息可以直接指示量化值。UE可以基于量化值，确定量化值对应的补偿时长。
示例性的，某个补偿时长范围可以量化为8个量化值，那么，补偿时长指示信息值需要采用3个比特位，就可以指示每个量化值。
如此，减少补偿时长指示信息的比特数，提高补偿时长指示信息指示效率。
在一个实施例中，如图6所示，所述方法还包括：
步骤502：发送指示所述卫星的特征参数的第一指示信息，其中，所述特征参数，用于供UE基于补偿时长范围对应关系，确定与所述特征参数对应的所述补偿时长范围。
这里，第一指示信息可以直接用于指示特征参数，也可以用于指示间 接确定特征参数的信息。
这里，特征参数可以是用于表征一类卫星的参数，例如特征参数可以是指示一定高度范围轨道的卫星。特征参数也可以用于唯一指示一颗卫星的参数，例如，特征参数可以是卫星的唯一标识。
补偿时长范围对应关系可以用于指示不同特征参数与各自对应的补偿时长范围。
UE可以基于服务卫星的特征参数，确定服务卫星的补偿时长范围。
如此，可以准确确定服务卫星的补偿时长范围，提高确定出的补偿时长的准确性。
在一个实施例中，所述特征参数包括：所述卫星的高度范围和/或所述卫星的卫星标识；
所述补偿时长范围对应关系，包括至少以下之一：
高度范围与补偿时长范围的对应关系；
卫星标识与补偿时长范围的对应关系。
这里，补偿时长范围对应关系可以是高度范围与补偿时长范围的对应关系。例如：卫星的高度范围低于600km，对应的补偿时长范围可以是5ms～30ms。卫星的高度范围为600km～1200km，对应的补偿时长范围可以是30ms～600ms。
补偿时长范围对应关系可以是卫星标识与补偿时长范围的对应关系。例如：卫星标识为ID1的卫星，对应的补偿时长范围可以是5ms～30ms。卫星标识为ID2的卫星，对应的补偿时长范围可以是30ms～600ms。
UE可以基于服务卫星的特征参数，即服务卫星的高度范围和/或服务卫星的卫星标识，从对应关系中，确定服务卫星的补偿时长范围。
在一个实施例中，所述第一指示信息用于指示至少以下之一：
所述卫星的高度，其中，所述卫星的高度用于供所述UE确定所述卫星 所处的高度范围；
所述卫星的卫星标识；
所述卫星的星历，其中，所述卫星的星历用于供所述UE确定所述卫星所处的高度范围。
服务卫星可以向UE发送服务卫星当前的高度，UE可以基于服务卫星当前高度所在的高度范围，进而根据高度范围与补偿时长范围的对应关系确定补偿时长范围。
服务卫星可以向UE发送服务卫星的卫星标识，UE可以根据卫星标识与补偿时长范围的对应关系确定补偿时长范围。
星历可以指示不同时间服务卫星的轨道状况，UE可以基于服务卫星当前轨道状况确定对应的高度范围，进而根据高度范围与补偿时长范围的对应关系确定补偿时长范围。
在一个实施例中，所述补偿时长范围对应关系是通信协议规定的。
UE可以预先根据通信协议确定补偿时长范围，并基于补偿时长范围确定出服务卫星的补偿时长。
在一个实施例中，所述方法还包括：
发送指示所述补偿时长范围对应关系的第二指示信息。
这里，补偿时长范围对应关系可以通过服务卫星或地面基站等发送给UE。补偿时长范围对应关系可以根据实际情况改变。通过服务卫星或地面基站等发送服务卫星或地面基站等发送，可以提高补偿时长范围对应关系的实时性。
在一个实施例中，所述发送指示所述补偿时长范围对应关系的第二指示信息，包括：
发送携带有所述指示所述补偿时长范围对应关系的第二指示信息的系统信息、和/或高层信令、和/或物理层信令。
这里，补偿时长范围对应关系可以通过广播的系统信息等将补偿时长范围对应关系发送给UE。
补偿时长范围对应关系也可以通过RRC等高层信令发送给UE。
补偿时长范围对应关系也可以通过DCI等物理层层信令发送给UE。
采用现有系统信息、和/或高层信令、和/或物理层信令携带的第二指示信息。提高现有系统信息、和/或高层信令、和/或物理层信令的利用效率。
基站也可以采用专用的系统信息、和/或高层信令、和/或物理层信令携带第二指示信息。
以下结合上述任意实施例提供一个具体示例：
本示例提供两种方法确定补偿时长。
方法1
预先获知不同卫星高度与补偿时长范围，即Koffset取值范围的对应关系，比如在协议中规定，或是在系统信息，或是高层信令，物理层信令中通知以下的对应关系{(低于600km，5～30ms)，(600km到12000km，30～600ms)……}。
终端基于服务卫星广播的星历信息或是高度信息确定Koffset的取值范围，从而可以基于指示信息确定补偿时长，即Koffset的具体值。比如在某个高度信息对应的取值范围量化为8个值，那么可以通过3bit的指示信息确定Koffset的具体值。
方法2：
预先获知不同卫星ID与补偿时长范围，即Koffset取值范围的对应关系，比如在协议中规定，或是在系统信息，或是高层信令，物理层信令中通知以下的对应关系{(ID 1，5～30ms)，(ID 2，30～600ms)……}。
终端基于服务卫星广播的服务卫星ID确定补偿时长，即Koffset的取值范围，从而可以基于指示信息确定Koffset的具体值。
Koffset的单位可以于具体的操作是有关系的。
在一种实现方法下，Koffset可以是以绝对时间为单位的，这种情况下，在计算时序关系时，需要基于当前的参数集(numerology)信息，在确定的操作上加上对应的时隙数目。比如Koffset为10ms，那么假定当前PUSCH使用的numerology是15khz的情况下，也就是一个时隙的时间长度是1ms，那么Koffset对应于10个时隙。
在另外一种实现方法下，Koffset也可以是逻辑时间单位，比如n个时隙，在这种实现方法下，直接在确定的操作上加上Koffset个时隙即可。
本发明实施例还提供了一种传输时延补偿装置，应用于UE中，如图7所示，所述传输时延补偿装置100包括：第一确定模块110，其中，
所述第一确定模块110，配置为基于接收的补偿时长指示信息，从服务卫星关联的补偿时长范围中，确定出的补偿时长，其中，所述补偿时长，用于补偿所述UE与基站之间传输的传输时延。
在一个实施例中，所述第一确定模块110，包括：
第一确定子模块111，配置为基于所述补偿时长指示信息所指示量化值，从所述补偿时长范围中确定与所述量化值对应的所述补偿时长。
在一个实施例中，所述装置100还包括：
第二确定模块120，配置为根据所述服务卫星的特征参数，基于补偿时长范围对应关系，确定与所述特征参数对应的所述补偿时长范围。
在一个实施例中，所述特征参数包括：所述服务卫星的高度范围和/或所述服务卫星的卫星标识；
所述补偿时长范围对应关系，包括至少以下之一：
高度范围与补偿时长范围的对应关系；
卫星标识与补偿时长范围的对应关系。
在一个实施例中，所述装置100还包括：
第一接收模块130，配置为接收所述服务卫星发送的用于确定所述特征参数的第一指示信息。
在一个实施例中，所述用于确定所述特征参数的第一指示信息用于指示至少以下之一：
所述服务卫星的高度，其中，所述服务卫星的高度，用于供所述UE确定所述服务卫星所处的高度范围；
所述服务卫星的卫星标识；
所述服务卫星的星历，其中，所述服务卫星的星历，用于供所述UE确定所述服务卫星所处的高度范围。
在一个实施例中，所述补偿时长范围对应关系是通信协议规定的。
在一个实施例中，所述装置100还包括：
第二接收模块140，配置为接收指示所述补偿时长范围对应关系的第二指示信息。
在一个实施例中，所述第二接收模块140，包括：
接收子模块141，配置为接收携带有所述指示所述补偿时长范围对应关系的第二指示信息的系统信息、和/或高层信令、和/或物理层信令。
在一个实施例中，所述装置100还包括：
转换模块150，配置为基于参数集，将以绝对时间单位作为单位的所述补偿时长，转换为以逻辑时间单位作为单位的所述补偿时长。
本发明实施例还提供了一种传输时延补偿装置，应用于卫星中，如图8所示，所述传输时延补偿装置200包括：第一发送模块210，其中，
所述第一发送模块210，配置为发送补偿时长指示信息，其中，所述补偿时长指示信息，用于供UE从卫星关联的补偿时长范围中，确定出的补偿时长，其中，所述补偿时长，用于补偿所述UE与基站之间传输的传输时延。
在一个实施例中，所述补偿时长指示信息用于指示所指示与所述补偿 时长范围中的所述补偿时长对应的量化值。
在一个实施例中，所述装置200还包括：
第二发送模块220，配置为发送指示所述卫星的特征参数的第一指示信息，其中，所述特征参数，用于供UE基于补偿时长范围对应关系，确定与所述特征参数对应的所述补偿时长范围。
在一个实施例中，所述特征参数包括：所述卫星的高度范围和/或所述卫星的卫星标识；
所述补偿时长范围对应关系，包括至少以下之一：
高度范围与补偿时长范围的对应关系；
卫星标识与补偿时长范围的对应关系。
在一个实施例中，所述第一指示信息用于指示至少以下之一：
所述卫星的高度，其中，所述卫星的高度用于供所述UE确定所述卫星所处的高度范围；
所述卫星的卫星标识；
所述卫星的星历，其中，所述卫星的星历用于供所述UE确定所述卫星所处的高度范围。
在一个实施例中，所述补偿时长范围对应关系是通信协议规定的。
在一个实施例中，所述装置200还包括：
第三发送模块230，配置为发送指示所述补偿时长范围对应关系的第二指示信息。
在一个实施例中，所述第三发送模块230，包括：
发送子模块231，配置为发送携带有所述指示所述补偿时长范围对应关系的第二指示信息的系统信息、和/或高层信令、和/或物理层信令。
在示例性实施例中，第一确定模块110、第二确定模块12//第一接收模块130、第二接收模块140、转换模块150、第一发送模块210、第二发送 模块220和第三发送模块230等可以被一个或多个中央处理器(CPU，Central Processing Unit)、图形处理器(GPU，Graphics Processing Unit)、基带处理器(BP，baseband processor)、应用专用集成电路(ASIC，Application Specific Integrated Circuit)、DSP、可编程逻辑器件(PLD，Programmable Logic Device)、复杂可编程逻辑器件(CPLD，Complex Programmable Logic Device)、现场可编程门阵列(FPGA，Field-Programmable Gate Array)、通用处理器、控制器、微控制器(MCU，Micro Controller Unit)、微处理器(Microprocessor)、或其他电子元件实现，用于执行前述方法。
图9是根据一示例性实施例示出的一种用于传输时延补偿的装置3000的框图。例如，装置3000可以是移动电话，计算机，数字广播终端，消息收发设备，游戏控制台，平板设备，医疗设备，健身设备，个人数字助理等。
参照图9，装置3000可以包括以下一个或多个组件：处理组件3002，存储器3004，电源组件3006，多媒体组件3008，音频组件3010，输入/输出(I/O)的接口3012，传感器组件3014，以及通信组件3016。
处理组件3002通常控制装置3000的整体操作，诸如与显示，电话呼叫，数据通信，相机操作和记录操作相关联的操作。处理组件3002可以包括一个或多个处理器3020来执行指令，以完成上述的方法的全部或部分步骤。此外，处理组件3002可以包括一个或多个模块，便于处理组件3002和其他组件之间的交互。例如，处理组件3002可以包括多媒体模块，以方便多媒体组件3008和处理组件3002之间的交互。
存储器3004被配置为存储各种类型的数据以支持在装置3000的操作。这些数据的示例包括用于在装置3000上操作的任何应用程序或方法的指令，联系人数据，电话簿数据，消息，图片，视频等。存储器3004可以由任何类型的易失性或非易失性存储设备或者它们的组合实现，如静态随机 存取存储器(SRAM)，电可擦除可编程只读存储器(EEPROM)，可擦除可编程只读存储器(EPROM)，可编程只读存储器(PROM)，只读存储器(ROM)，磁存储器，快闪存储器，磁盘或光盘。
电源组件3006为装置3000的各种组件提供电力。电源组件3006可以包括电源管理系统，一个或多个电源，及其他与为装置3000生成、管理和分配电力相关联的组件。
多媒体组件3008包括在装置3000和用户之间的提供一个输出接口的屏幕。在一些实施例中，屏幕可以包括液晶显示器(LCD)和触摸面板(TP)。如果屏幕包括触摸面板，屏幕可以被实现为触摸屏，以接收来自用户的输入信号。触摸面板包括一个或多个触摸传感器以感测触摸、滑动和触摸面板上的手势。触摸传感器可以不仅感测触摸或滑动动作的边界，而且还检测与触摸或滑动操作相关的持续时间和压力。在一些实施例中，多媒体组件3008包括一个前置摄像头和/或后置摄像头。当装置3000处于操作模式，如拍摄模式或视频模式时，前置摄像头和/或后置摄像头可以接收外部的多媒体数据。每个前置摄像头和后置摄像头可以是一个固定的光学透镜系统或具有焦距和光学变焦能力。
音频组件3010被配置为输出和/或输入音频信号。例如，音频组件3010包括一个麦克风(MIC)，当装置3000处于操作模式，如呼叫模式、记录模式和语音识别模式时，麦克风被配置为接收外部音频信号。所接收的音频信号可以被进一步存储在存储器3004或经由通信组件3016发送。在一些实施例中，音频组件3010还包括一个扬声器，用于输出音频信号。
I/O接口3012为处理组件3002和外围接口模块之间提供接口，上述外围接口模块可以是键盘，点击轮，按钮等。这些按钮可包括但不限于：主页按钮、音量按钮、启动按钮和锁定按钮。
传感器组件3014包括一个或多个传感器，用于为装置3000提供各个 方面的状态评估。例如，传感器组件3014可以检测到装置3000的打开/关闭状态，组件的相对定位，例如组件为装置3000的显示器和小键盘，传感器组件3014还可以检测装置3000或装置3000一个组件的位置改变，用户与装置3000接触的存在或不存在，装置3000方位或加速/减速和装置3000的温度变化。传感器组件3014可以包括接近传感器，被配置用来在没有任何的物理接触时检测附近物体的存在。传感器组件3014还可以包括光传感器，如CMOS或CCD图像传感器，用于在成像应用中使用。在一些实施例中，该传感器组件3014还可以包括加速度传感器，陀螺仪传感器，磁传感器，压力传感器或温度传感器。
通信组件3016被配置为便于装置3000和其他设备之间有线或无线方式的通信。装置3000可以接入基于通信标准的无线网络，如Wi-Fi，2G或3G，或它们的组合。在一个示例性实施例中，通信组件3016经由广播信道接收来自外部广播管理系统的广播信号或广播相关信息。在一个示例性实施例中，通信组件3016还包括近场通信(NFC)模块，以促进短程通信。例如，在NFC模块可基于射频识别(RFID)技术，红外数据协会(IrDA)技术，超宽带(UWB)技术，蓝牙(BT)技术和其他技术来实现。
在示例性实施例中，装置3000可以被一个或多个应用专用集成电路(ASIC)、数字信号处理器(DSP)、数字信号处理设备(DSPD)、可编程逻辑器件(PLD)、现场可编程门阵列(FPGA)、控制器、微控制器、微处理器或其他电子元件实现，用于执行上述方法。
在示例性实施例中，还提供了一种包括指令的非临时性计算机可读存储介质，例如包括指令的存储器3004，上述指令可由装置3000的处理器3020执行以完成上述方法。例如，非临时性计算机可读存储介质可以是ROM、随机存取存储器(RAM)、CD-ROM、磁带、软盘和光数据存储设备等。
本领域技术人员在考虑说明书及实践这里公开的发明后，将容易想到本发明实施例的其它实施方案。本申请旨在涵盖本发明实施例的任何变型、用途或者适应性变化，这些变型、用途或者适应性变化遵循本发明实施例的一般性原理并包括本公开实施例未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的，本发明实施例的真正范围和精神由下面的权利要求指出。
应当理解的是，本发明实施例并不局限于上面已经描述并在附图中示出的精确结构，并且可以在不脱离其范围进行各种修改和改变。本发明实施例的范围仅由所附的权利要求来限制。

Claims (38)

  1. 一种传输时延补偿方法，其中，应用于用户设备UE，所述方法包括：
    基于接收的补偿时长指示信息，从服务卫星关联的补偿时长范围中，确定出的补偿时长，其中，所述补偿时长，用于补偿所述UE与基站之间传输的传输时延。
  2. 根据权利要求1所述的方法，其中，所述基于接收的补偿时长指示信息，从服务卫星关联的补偿时长范围中，确定出的补偿时长，包括：
    基于所述补偿时长指示信息所指示量化值，从所述补偿时长范围中确定与所述量化值对应的所述补偿时长。
  3. 根据权利要求1或2所述的方法，其中，所述方法还包括：
    根据所述服务卫星的特征参数，基于补偿时长范围对应关系，确定与所述特征参数对应的所述补偿时长范围。
  4. 根据权利要求3所述的方法，其中，
    所述特征参数包括：所述服务卫星的高度范围和/或所述服务卫星的卫星标识；
    所述补偿时长范围对应关系，包括至少以下之一：
    高度范围与补偿时长范围的对应关系；
    卫星标识与补偿时长范围的对应关系。
  5. 根据权利要求3所述的方法，其中，所述方法还包括：
    接收所述服务卫星发送的用于确定所述特征参数的第一指示信息。
  6. 根据权利要求5所述的方法，其中，所述用于确定所述特征参数的第一指示信息用于指示至少以下之一：
    所述服务卫星的高度，其中，所述服务卫星的高度用于供所述UE确定所述服务卫星所处的高度范围；
    所述服务卫星的卫星标识；
    所述服务卫星的星历，其中，所述服务卫星的星历用于供所述UE确定所述服务卫星所处的高度范围。
  7. 根据权利要求3所述的方法，其中，
    所述补偿时长范围对应关系是通信协议规定的。
  8. 根据权利要求3所述的方法，其中，所述方法还包括：
    接收指示所述补偿时长范围对应关系的第二指示信息。
  9. 根据权利要求8所述的方法，其中，所述接收指示所述补偿时长范围对应关系的第二指示信息，包括：
    接收携带有所述指示所述补偿时长范围对应关系的第二指示信息的系统信息、和/或高层信令、和/或物理层信令。
  10. 根据权利要求1或2所述的方法，其中，所述方法还包括：
    基于参数集，将以绝对时间单位作为单位的所述补偿时长，转换为以逻辑时间单位作为单位的所述补偿时长。
  11. 一种传输时延补偿方法，其中，应用于卫星，所述方法包括：
    发送补偿时长指示信息，其中，所述补偿时长指示信息，用于供用户设备UE从卫星关联的补偿时长范围中，确定出的补偿时长，其中，所述补偿时长，用于补偿所述UE与基站之间传输的传输时延。
  12. 根据权利要求11所述的方法，其中，所述补偿时长指示信息用于指示所指示与所述补偿时长范围中的所述补偿时长对应的量化值。
  13. 根据权利要求11或12所述的方法，其中，所述方法还包括：
    发送指示所述卫星的特征参数的第一指示信息，其中，所述特征参数，用于供UE基于补偿时长范围对应关系，确定与所述特征参数对应的所述补偿时长范围。
  14. 根据权利要求13所述的方法，其中，
    所述特征参数包括：所述卫星的高度范围和/或所述卫星的卫星标识；
    所述补偿时长范围对应关系，包括至少以下之一：
    高度范围与补偿时长范围的对应关系；
    卫星标识与补偿时长范围的对应关系。
  15. 根据权利要求14所述的方法，其中，所述第一指示信息用于指示至少以下之一：
    所述卫星的高度，其中，所述卫星的高度用于供所述UE确定所述卫星所处的高度范围；
    所述卫星的卫星标识；
    所述卫星的星历，其中，所述卫星的星历用于供所述UE确定所述卫星所处的高度范围。
  16. 根据权利要求13所述的方法，其中，
    所述补偿时长范围对应关系是通信协议规定的。
  17. 根据权利要求13所述的方法，其中，所述方法还包括：
    发送指示所述补偿时长范围对应关系的第二指示信息。
  18. 根据权利要求17所述的方法，其中，所述发送指示所述补偿时长范围对应关系的第二指示信息，包括：
    发送携带有所述指示所述补偿时长范围对应关系的第二指示信息的系统信息、和/或高层信令、和/或物理层信令。
  19. 一种传输时延补偿装置，其中，应用于用户设备UE，所述装置包括：第一确定模块，其中，
    所述第一确定模块，配置为基于接收的补偿时长指示信息，从服务卫星关联的补偿时长范围中，确定出的补偿时长，其中，所述补偿时长，用于补偿所述UE与基站之间传输的传输时延。
  20. 根据权利要求19所述的装置，其中，所述第一确定模块，包括：
    第一确定子模块，配置为基于所述补偿时长指示信息所指示量化值，从所述补偿时长范围中确定与所述量化值对应的所述补偿时长。
  21. 根据权利要求19或20所述的装置，其中，所述装置还包括：
    第二确定模块，配置为根据所述服务卫星的特征参数，基于补偿时长范围对应关系，确定与所述特征参数对应的所述补偿时长范围。
  22. 根据权利要求21所述的装置，其中，
    所述特征参数包括：所述服务卫星的高度范围和/或所述服务卫星的卫星标识；
    所述补偿时长范围对应关系，包括至少以下之一：
    高度范围与补偿时长范围的对应关系；
    卫星标识与补偿时长范围的对应关系。
  23. 根据权利要求21所述的装置，其中，所述装置还包括：
    第一接收模块，配置为接收所述服务卫星发送的用于确定所述特征参数的第一指示信息。
  24. 根据权利要求23所述的装置，其中，所述用于确定所述特征参数的第一指示信息用于指示至少以下之一：
    所述服务卫星的高度，其中，所述服务卫星的高度，用于供所述UE确定所述服务卫星所处的高度范围；
    所述服务卫星的卫星标识；
    所述服务卫星的星历，其中，所述服务卫星的星历，用于供所述UE确定所述服务卫星所处的高度范围。
  25. 根据权利要求21所述的装置，其中，
    所述补偿时长范围对应关系是通信协议规定的。
  26. 根据权利要求21所述的装置，其中，所述装置还包括：
    第二接收模块，配置为接收指示所述补偿时长范围对应关系的第二指 示信息。
  27. 根据权利要求26所述的装置，其中，所述第二接收模块，包括：
    接收子模块，配置为接收携带有所述指示所述补偿时长范围对应关系的第二指示信息的系统信息、和/或高层信令、和/或物理层信令。
  28. 根据权利要求19或20所述的装置，其中，所述装置还包括：
    转换模块，配置为基于参数集，将以绝对时间单位作为单位的所述补偿时长，转换为以逻辑时间单位作为单位的所述补偿时长。
  29. 一种传输时延补偿装置，其中，应用于卫星，所述装置包括：第一发送模块，其中，
    所述第一发送模块，配置为发送补偿时长指示信息，其中，所述补偿时长指示信息，用于供用户设备UE从卫星关联的补偿时长范围中，确定出的补偿时长，其中，所述补偿时长，用于补偿所述UE与基站之间传输的传输时延。
  30. 根据权利要求29所述的装置，其中，所述补偿时长指示信息用于指示所指示与所述补偿时长范围中的所述补偿时长对应的量化值。
  31. 根据权利要求29或30所述的装置，其中，所述装置还包括：
    第二发送模块，配置为发送指示所述卫星的特征参数的第一指示信息，其中，所述特征参数，用于供UE基于补偿时长范围对应关系，确定与所述特征参数对应的所述补偿时长范围。
  32. 根据权利要求31所述的装置，其中，
    所述特征参数包括：所述卫星的高度范围和/或所述卫星的卫星标识；
    所述补偿时长范围对应关系，包括至少以下之一：
    高度范围与补偿时长范围的对应关系；
    卫星标识与补偿时长范围的对应关系。
  33. 根据权利要求32所述的装置，其中，所述第一指示信息用于指示 至少以下之一：
    所述卫星的高度，其中，所述卫星的高度用于供所述UE确定所述卫星所处的高度范围；
    所述卫星的卫星标识；
    所述卫星的星历，其中，所述卫星的星历用于供所述UE确定所述卫星所处的高度范围。
  34. 根据权利要求31所述的装置，其中，
    所述补偿时长范围对应关系是通信协议规定的。
  35. 根据权利要求31所述的装置，其中，所述装置还包括：
    第三发送模块，配置为发送指示所述补偿时长范围对应关系的第二指示信息。
  36. 根据权利要求35所述的装置，其中，所述第三发送模块，包括：
    发送子模块，配置为发送携带有所述指示所述补偿时长范围对应关系的第二指示信息的系统信息、和/或高层信令、和/或物理层信令。
  37. 一种通信设备装置，包括处理器、存储器及存储在存储器上并能够有所述处理器运行的可执行程序，其中，所述处理器运行所述可执行程序时执行如权利要求1至10或11至18任一项所述传输时延补偿方法的步骤。
  38. 一种通信设备装置，包括处理器、存储器及存储在存储器上并能够有所述处理器运行的可执行程序，其中，所述处理器运行所述可执行程序时执行如权利要求1至10或11至18任一项所述传输时延补偿方法的步骤。
PCT/CN2020/117838 2020-09-25 2020-09-25 传输时延补偿方法、装置、通信设备和存储介质 WO2022061739A1 (zh)

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