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WO2021174411A1 - Procédé et appareil de traitement d'informations, dispositif et support de stockage - Google Patents

Procédé et appareil de traitement d'informations, dispositif et support de stockage Download PDF

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Publication number
WO2021174411A1
WO2021174411A1 PCT/CN2020/077580 CN2020077580W WO2021174411A1 WO 2021174411 A1 WO2021174411 A1 WO 2021174411A1 CN 2020077580 W CN2020077580 W CN 2020077580W WO 2021174411 A1 WO2021174411 A1 WO 2021174411A1
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WIPO (PCT)
Prior art keywords
adjustment
timer
time
time window
start time
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PCT/CN2020/077580
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English (en)
Chinese (zh)
Inventor
付喆
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority to CN202080092774.5A priority Critical patent/CN114930959B/zh
Priority to PCT/CN2020/077580 priority patent/WO2021174411A1/fr
Publication of WO2021174411A1 publication Critical patent/WO2021174411A1/fr
Anticipated expiration legal-status Critical
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria

Definitions

  • This application relates to the field of communication technology, and in particular to an information processing method, device, equipment, and storage medium.
  • the terminal device can use HARQ (Hybrid Automatic Repeat Request) process to transmit data corresponding to a certain CG (Configured Grant) resource.
  • HARQ Hybrid Automatic Repeat Request
  • CG Configured Grant
  • the NR system introduces a mechanism to pre-allocate the first timer for the HARQ process. After the first timer is allocated to the HARQ process, the HARQ process cannot transmit data corresponding to other transmission resources before the first timer of the HARQ process expires.
  • the time window of the first timer is determined according to the transmission delay between the network device and the terminal device, and in a cellular network system, the transmission delay between the network device and the terminal device does not change much.
  • NTN Non Terrestrial Network
  • 3GPP is currently studying NTN (Non Terrestrial Network) technology.
  • NTN generally uses satellite communications to provide communications services to ground users.
  • the transmission delay between the terminal equipment and the satellite will continue to change with the rapid movement of the satellite and/or terminal equipment, resulting in the transmission between the terminal equipment and the satellite.
  • the time delay also changes frequently. Therefore, if the NTN also introduces a mechanism to pre-allocate the first timer for the HARQ process, how to adjust the time window of the first timer when the transmission delay between the terminal device and the satellite changes frequently becomes an urgent need. solved problem.
  • the embodiments of the present application provide an information processing method, device, equipment, and storage medium, which can flexibly adjust the time window parameter of the first timer and improve the accuracy of data transmission.
  • the technical solution is as follows:
  • an information processing method which is applied to a terminal device, and the method includes:
  • the first HARQ process is any HARQ process corresponding to the transmission resource configured by the network device for the terminal device, and the adjustment parameter is used for Indicating an adjustment rule of the time window parameter of the first timer;
  • the time window parameter of the first timer is adjusted.
  • an information processing method which is applied to a network device, and the method includes:
  • the adjustment parameter is sent to the terminal device, the adjustment parameter is used to indicate the configuration of the first hybrid automatic repeat request HARQ process to authorize the adjustment rule of the time window parameter of the first timer, and the first HARQ process is configured to the terminal Any HARQ process corresponding to the transmission resource of the device.
  • an information processing device configured in a terminal device, and the device includes:
  • the determining module is used to determine the adjustment parameters of the first timer of the first hybrid automatic repeat request HARQ process, the first HARQ process is any HARQ process corresponding to the transmission resource configured by the network device for the terminal device, so The adjustment parameter is used to indicate an adjustment rule of the time window parameter of the first timer;
  • the adjustment module is configured to adjust the time window parameter of the first timer according to the adjustment parameter.
  • an information processing device configured in a network device, and the device includes:
  • the sending module is configured to send adjustment parameters to the terminal device, where the adjustment parameters are used to instruct the configuration of the first hybrid automatic repeat request HARQ process to authorize the adjustment rule of the time window parameter of the first timer, and the first HARQ process is Any HARQ process corresponding to the transmission resource configured to the terminal device.
  • a terminal device in a fifth aspect, includes a processor and a memory, the memory stores at least one instruction, and the at least one instruction is used to be executed by the processor to implement any of the above-mentioned first aspects.
  • a network device in a sixth aspect, includes a processor and a memory, the memory stores at least one instruction, and the at least one instruction is used to be executed by the processor to implement any of the above-mentioned second aspects.
  • a computer-readable storage medium is provided, and instructions are stored on the computer-readable storage medium.
  • the instructions are executed by a processor, the method executed by the terminal device in the first aspect described above is implemented.
  • a computer-readable storage medium is provided, and instructions are stored on the computer-readable storage medium.
  • the instructions are executed by a processor, the method executed by a network device in the second aspect described above is implemented.
  • a computer program product containing instructions which when running on a computer, causes the computer to execute the method executed by the terminal device as described in the first aspect, or the network as described in the second aspect. The method performed by the device.
  • the adjustment parameter of the first timer of the first HARQ process can be determined, and then the first timer is adjusted according to the adjustment parameter.
  • the time window parameters are adjusted. Since the adjustment parameter can indicate the adjustment law of the time window parameter of the first timer, the time window parameter of the first timer can be dynamically adjusted according to the adjustment law, so as to ensure that the adjusted time window parameter can match the frequent The varying transmission delay matches, which improves the accuracy and efficiency of data transmission.
  • Fig. 1 is a schematic diagram of a communication system provided by an exemplary embodiment of the present application
  • FIG. 2 is a schematic diagram of the communication distance in the NTN system provided by an exemplary embodiment of the present application
  • Fig. 3 is a flowchart of an information processing method provided by an exemplary embodiment of the present application.
  • Fig. 4 is a flowchart of an information processing method provided by another exemplary embodiment of the present application.
  • FIG. 5 is a schematic diagram of adjusting the time window provided by an exemplary embodiment of the present application.
  • Fig. 6 is a flowchart of an information processing method provided by another exemplary embodiment of the present application.
  • Fig. 7 is a flowchart of an information processing method provided by another exemplary embodiment of the present application.
  • Fig. 8 is a schematic structural diagram of an information processing device provided by an exemplary embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of an information processing device provided by another exemplary embodiment of the present application.
  • Fig. 10 is a schematic structural diagram of a communication device provided by an exemplary embodiment of the present application.
  • NTN Non-Terrestrial Network
  • Ground NR New Radio
  • satellite communication is not restricted by the user's geographic area. For example, general terrestrial communications cannot cover areas where communications equipment cannot be installed, such as oceans, mountains, and deserts, or areas where communications are not covered due to sparse population.
  • satellite communications since a satellite can cover a larger ground, and the satellite can orbit the earth, theoretically every corner of the earth can be covered by satellite communications.
  • satellite communication has greater social value.
  • Satellite communication can be covered at a lower cost in remote mountainous areas, poor and backward countries or regions, so that people in these areas can enjoy advanced voice communication and mobile Internet technology, which is conducive to narrowing the digital gap with developed areas and promoting The development of these areas.
  • the satellite communication distance is long, and the communication distance increases and the cost of communication does not increase significantly.
  • the stability of satellite communication is high, and it is not restricted by natural disasters.
  • LEO Low-Earth Orbit
  • MEO Medium-Earth Orbit
  • GEO Global-Earth Orbit
  • HEO High Elliptical Orbit (highly elliptical orbit) satellites and so on.
  • the main research at this stage is LEO satellite and GEO satellite.
  • the LEO satellite altitude ranges from 500km to 1500km, and the corresponding orbital period is about 1.5 hours to 2 hours.
  • the signal propagation round-trip delay of single-hop communication between users is generally less than 20ms.
  • the maximum satellite viewing time is 20 minutes.
  • the signal propagation distance is short, the link loss is small, and the requirement for the transmission power of the user terminal is not high.
  • the GEO satellite has an orbital height of 35786km, and its orbital period around the earth is 24 hours.
  • the signal propagation round-trip delay of single-hop communication between users is generally 250ms.
  • satellites In order to ensure satellite coverage and increase the system capacity of the entire satellite communication system, satellites use multiple beams to cover the ground.
  • a satellite can form dozens or even hundreds of beams to cover the ground.
  • a satellite beam can cover tens to hundreds of kilometers in diameter. Ground area.
  • HARQ Hybrid Automatic Repeat Request
  • FEC Forward Error Correction
  • ARQ Automatic Repeat-reQuest
  • the HARQ mechanism at the MAC layer Medium Access Control
  • the ARQ mechanism at the RLC Radio Link Control
  • the retransmission of lost or erroneous data is mainly handled by the HARQ mechanism of the MAC layer and supplemented by the retransmission function of the RLC layer.
  • the HARQ mechanism of the MAC layer can provide fast retransmission, and the ARQ mechanism of the RLC layer can provide reliable data transmission.
  • the HARQ process uses the Stop-and-Wait Protocol (Stop-and-Wait Protocol) to send data.
  • Stop-and-wait Protocol After the sender sends a data TB (Transmission Block), it stops and waits for the confirmation message. In this way, the sender will stop and wait for confirmation after each transmission, which will result in very low user throughput. Therefore, multiple parallel HARQ processes are used in the NR system.
  • the sender can use another HARQ process to continue sending data.
  • These HARQ processes together form a HARQ entity, which combines a stop-and-wait protocol to allow continuous data transmission.
  • HARQ is divided into uplink HARQ and downlink HARQ. Uplink HARQ is for uplink data transmission, and downlink HARQ is for downlink data transmission, and the two are independent of each other.
  • each HARQ entity maintains a set of parallel downlink HARQ processes and a set of parallel uplink HARQ processes.
  • each uplink and downlink carrier supports a maximum of 16 HARQ processes.
  • the network equipment can indicate the maximum number of HARQ processes to the terminal equipment through RRC (Radio Resource Control) signaling semi-static configuration according to the network deployment situation. If the network device does not provide corresponding configuration parameters, the default number of HARQ processes in the downlink is 8, and the maximum number of HARQ processes supported by each carrier in the uplink is always 16.
  • each HARQ process corresponds to a HARQ process number.
  • the HARQ process ID may be a HARQ process ID (Identity Document), which is used to uniquely identify a HARQ process.
  • the terminal device can determine the HARQ process used to transmit data according to the process number of the HARQ process.
  • Dynamic resource scheduling means that a network device sends an uplink scheduling grant (UL grant) to a terminal device, and the UL grant includes the time-frequency domain resources occupied by the scheduled uplink data channel.
  • the terminal device will send uplink data on the indicated time-frequency resource in accordance with the UL grant instruction.
  • Semi-static resource scheduling means that the network device sends semi-static configuration signaling to the terminal device, and the semi-static configuration signaling includes the time-frequency domain resources occupied by the scheduled uplink data channel.
  • Semi-static resource scheduling is divided into two types in the NR standard. Type 1 is that the network device semi-statically configures a periodic uplink data channel for the terminal device at the radio resource control layer to transmit data. Type 2 is that the network device semi-statically configures a periodic uplink data channel for the terminal device at the radio resource control layer to transmit data, but it needs to activate the downlink control information from the physical layer.
  • the semi-static configuration signaling is also used to instruct the uplink data to adopt a repeated transmission mode. In a cycle, the terminal device can repeatedly send the same data transmission block on the configured uplink data channel.
  • the NR system introduces the concept of pre-configured resources.
  • Network equipment can use RRC (Radio Resource Control, radio resource control) signaling to pre-configure the resources required by terminal equipment for uplink data transmission by means of semi-static resource allocation, that is, pre-configured transmission resources, for example, CG (Configured Grant) Authorization) resources.
  • RRC Radio Resource Control, radio resource control
  • CG Configured Grant
  • the configured transmission resources can appear periodically, and there is no need for a terminal device to obtain an uplink authorization before sending an uplink transmission each time.
  • the network device For each transmission resource, the network device configures a limited number of HARQ processes for it.
  • the MAC PDU Protocol Data Unit, protocol data unit
  • the MAC PDU1 is stored in the buffer area of the first HARQ process.
  • the network device schedules the first HARQ process to transmit the data packet corresponding to the second transmission resource, the MAC PDU corresponding to the second transmission resource is stored in the buffer area of the first HARQ process, and the MAC PDU corresponding to the first transmission resource is cleaned.
  • the first HARQ process since the first HARQ process is transmitting the data packet corresponding to the first transmission resource, if the first HARQ process is scheduled to transmit the data packet corresponding to the second transmission resource at this time, the data transmission on the first transmission resource will be complete. The sex and accuracy are low.
  • the NR system introduces a mechanism to pre-allocate the first timer of the HARQ process.
  • a timer may be CG Timer (Configured Grant Timer) and/or CGR Timer (configured grant Retransmission timer).
  • CGR Timer Configured grant Retransmission timer.
  • the HARQ process cannot transmit data packets of other transmission resources, and the MAC PDU stored in the HARQ process will not be cleaned. If the network device schedules the HARQ process to retransmit before the first timer expires, the terminal device retransmits the MAC PDU of the HARQ process.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access, code division multiple access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex system
  • LTE-A Advanced Long Term Evolution
  • NR system NR system evolution system
  • LTE-U LTE-based access to unlicensed spectrum, on unlicensed frequency bands
  • LTE NR-U
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide interoperability for Microwave Access
  • WLAN Wireless Local Area Networks
  • WiFi Wireless Fidelity, wireless fidelity
  • the communication system 100 applied in the embodiment of the present application is shown in FIG. 1.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal 120 (or called a communication terminal or terminal).
  • the network device 110 may provide communication coverage for a specific geographic area, and may communicate with terminals located in the coverage area.
  • the network device 110 may be a satellite in the NTN system, an eNB (Evolutional Node B, evolved base station), or a radio controller in the CRAN (Cloud Radio Access Network, cloud radio access network)
  • the network device may be a mobile switching center, relay station, access point, vehicle-mounted device, wearable device, hub, switch, bridge, router, network side device in a 5G network, or network device in a future communication system, etc.
  • the communication system 100 also includes at least one terminal device 120 located within the coverage area of the network device 110.
  • the "terminal equipment” used here includes but is not limited to connection via wired lines, such as PSTN (Public Switched Telephone Networks), DSL (Digital Subscriber Line), digital cable, direct cable connection ; And/or another data connection/network; and/or via a wireless interface, such as for cellular networks, WLANs, digital TV networks such as DVB-H networks, satellite networks, AM-FM broadcast transmitters; and/or another A device of a terminal configured to receive/send communication signals; and/or IoT (Internet of Things, Internet of Things) equipment.
  • PSTN Public Switched Telephone Networks
  • DSL Digital Subscriber Line
  • D cable Digital cable
  • direct cable connection direct cable connection
  • And/or another data connection/network and/or via a wireless interface, such as for cellular networks, WLANs, digital TV networks such as DVB-H networks, satellite networks, AM-FM broadcast transmitters; and/or another A device of a terminal
  • a terminal set to communicate through a wireless interface may be referred to as a "wireless communication terminal", a “wireless terminal” or a “mobile terminal”.
  • mobile terminals include, but are not limited to, satellite or cellular phones; PCS (Personal Communications System) terminals that can combine cellular radio phones with data processing, fax, and data communication capabilities; can include radio phones, pagers, Internet/intranet PDA with internet access, web browser, memo pad, calendar, and/or GPS (Global Positioning System) receiver; and conventional laptop and/or palm-type receivers or others including radio telephone transceivers Electronic device.
  • PCS Personal Communications System
  • GPS Global Positioning System
  • Terminal equipment can refer to access terminal, UE (User Equipment), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile equipment, user terminal, terminal, wireless communication equipment, user agent or User device.
  • the access terminal can be a cellular phone, a cordless phone, SIP (Session Initiation Protocol) phone, WLL (Wireless Local Loop, wireless local loop) station, PDA (Personal Digital Assistant, personal digital processing), with wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminals in 5G networks, or terminals in the future evolution of PLMN, etc.
  • D2D communication may be performed between the terminal devices 120.
  • the 5G communication system or 5G network may also be referred to as an NR system or NR network.
  • Figure 1 exemplarily shows one network device and two terminal devices.
  • the communication system 100 may include multiple network devices and the coverage of each network device may include other numbers of terminal devices. The embodiment does not limit this.
  • the communication system 100 may also include other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • the devices with communication functions in the network/system in the embodiments of the present application may be referred to as communication devices.
  • the communication device may include a network device 110 and a terminal device 120 with communication functions, and the network device 110 and the terminal device 120 may be the specific devices described above, which will not be repeated here.
  • the communication device may also include other devices in the communication system 100, such as network controllers, mobility management entities and other network entities, which are not limited in the embodiment of the present application.
  • the terminal equipment may also change position. Therefore, for terminal equipment and satellites in different positions, the communication distance changes accordingly. Cause the transmission delay to change.
  • FIG. 2 is a schematic diagram of a communication distance in an NTN system provided by an exemplary embodiment of the present application.
  • the communication distance d between the terminal device and the satellite will also change. As shown in Figure 2 (a), when the terminal device is at position A, the communication distance between the terminal device and the satellite is d0, and when the terminal device moves to position B, the communication distance between the terminal device and the satellite is determined by d0 Becomes d1.
  • the increase of the communication distance d leads to a corresponding increase in the communication delay between the satellite and the terminal equipment, that is, the time required to transmit data packets is correspondingly increased, therefore, the time window of the first timer needs to be adjusted Long, so that when the communication distance is increased to d1, the time window of the CG timer is also correspondingly increased, thereby ensuring the integrity and accuracy of data transmission.
  • FIG. 3 is a flowchart of an information processing method according to an exemplary embodiment of the present application.
  • the method can be applied to the terminal device 120 in the communication system shown in FIG. It can include at least part of the following content:
  • Step 310 Determine the adjustment parameter of the first timer of the first HARQ process.
  • the first HARQ process is any HARQ process corresponding to the transmission resource configured by the network device for the terminal device, and the adjustment parameter is used to indicate the adjustment rule of the time window parameter of the first timer.
  • the first timer is used to ensure the communication time required for sending data packets from the transmitting end to the receiving end. Further, the first timer is also used to ensure the processing time for receiving the received data packet and/or the communication time required for sending the retransmission schedule or the new transmission schedule from the receiving end. It should be noted that the first timer may be CG Timer (Configured Grant Timer) and/or CGR Timer (configured grant Retransmission timer).
  • the time window parameter of the first timer may include at least one of a time window length, an adjustment step size of the time window length, a start time, a start time offset, and an adjustment step size of the start time offset.
  • the adjustment step is used to indicate the amount of change in the time window length of the first timer.
  • the start time offset refers to the time offset between the start time of the first timer and the reference start time.
  • the reference start time may be the start time of data transmission of the first HARQ process, the completion time of data transmission of the first HARQ process, or a designated or configured first time point, etc.
  • the adjustment rule of the time window parameter of the first timer indicated by the adjustment parameter conforms to the change rule of the transmission delay between the terminal device and the network device.
  • the change rule of the transmission delay between the terminal device and the network device can be determined according to the change rule of the distance between the two.
  • the adjustment parameter may be determined according to the first information.
  • the first information includes at least one of the law of distance change between the terminal device and the network device, the law of movement of the terminal device, the law of movement of the network device, the location information of the terminal device, and the location information of the network device.
  • the adjustment parameter can be determined according to the location information and/or movement rule of the terminal device. If the location of the terminal device is relatively fixed, the adjustment parameter can be determined according to the location information and/or movement rule of the network device. If both the network device and the terminal device move, it can be based on the change rule of the distance between the terminal device and the network device, the movement rule of the terminal device, the movement rule of the network device, the location information of the terminal device and the location information of the network device At least one of the parameters to determine the adjustment parameter. Of course, other methods can also be used to determine the adjustment parameter, as long as the adjustment parameter can meet the changing law of the transmission delay between the terminal device and the network device.
  • NR introduces the concept of pre-configured transmission resources.
  • the network device can pre-configure the corresponding HARQ process for it, and in each resource period, the transmission resource uses the same HARQ process to transmit the corresponding data packet. That is, the process number of the HARQ process used by the transmission resource in the first resource period is the same as the process number of the HARQ process used in the second resource period. In this way, while improving the efficiency of data transmission, it also improves resource utilization.
  • the terminal device may also receive the resource configuration information of the transmission resource from the network device.
  • the resource configuration information of the transmission resource may include: resource indication information of the transmission resource configured for the terminal device, and the HARQ process corresponding to the transmission resource.
  • the resource indication information is used to indicate information such as the time-frequency domain position of the transmission resource.
  • the resource indication information may include a resource period, a resource identifier, and so on.
  • the resource identifier can be a resource Index.
  • the first timer can be further introduced. For each HARQ process, there is a corresponding first timer. In this way, after using the first HARQ process to transmit data, if the retransmission schedule has not been received when the first timer of the first HARQ process expires, it is confirmed that the data does not need to be retransmitted, or the data transmission is considered successful , The first HARQ process can be used to transmit data corresponding to other transmission resources.
  • start time of the first timer of the first HARQ process may be the start time of the first HARQ process to transmit data, may be the completion time of the first HARQ process to transmit data, or may be a specified or configured one. At the time point, this application does not limit this.
  • Step 320 Adjust the time window parameter of the first timer according to the adjustment parameter.
  • the terminal device When the terminal device obtains the adjustment parameter, for example, when it receives the adjustment parameter sent by the network device, it immediately adjusts the time window parameter of the first timer according to the adjustment parameter.
  • the terminal device may also adjust the time window parameter of the first timer according to the adjustment parameter after the current time window parameter of the first timer expires and at the beginning of the next adjustment period or use time period.
  • the time window length of the first timer can be adjusted according to the adjustment rule of the time window length or the time window length adjustment step length in the adjustment parameter. Make adjustments so that the adjusted time window length matches the current transmission delay. In this way, the time window length of the first timer can be dynamically adjusted according to the change in the transmission delay between the terminal device and the network device.
  • the first timing offset can be adjusted according to the adjustment rule of the start time offset or the adjustment step length of the start time offset in the adjustment parameters.
  • the start time offset of the device is adjusted. After that, when the time offset between the current time and the reference start time of the first timer reaches the adjusted start time offset, the first timer is started, so that the adjusted start time offset is the same as the current transmission time. Delay matching. In this way, the start time offset of the first timer can be dynamically adjusted according to the change of the transmission delay between the terminal device and the network device, and then the start time of the first timer can be adjusted.
  • the above can be applied when the HARQ feedback function of the terminal device is enabled, or the first HARQ process is the HARQ process enabled by the HARQ feedback function, or the transmission resource corresponding to the first HARQ process is the transmission resource enabled by the HARQ feedback function.
  • the adjustment method adjusts the time window parameter of the first timer.
  • the time window of the first timer of the HARQ process can be adjusted using the adjustment method of the embodiment of the present application The parameters are adjusted.
  • the adjustment method in the embodiment of this application can be used to adjust The time window parameters of the first timer of all HARQ processes are adjusted.
  • all HARQ processes corresponding to the transmission resource can adopt the above adjustment method to adjust the time of the first timer. Adjust the window parameters.
  • the feedback function is not configured or the feedback function is not enabled, it is not necessary to adjust the time window parameter of the first timer according to the adjustment parameter.
  • the first timer is not started, and after the MAC PDU of the transmission resource of the HARQ process has been transmitted, other transmission resources corresponding to the HARQ process can use the HARQ process Pack a new MAC PDU for data transmission.
  • the above adjustment method can also be applied when the HARQ feedback function is disabled, that is, when the HARQ feedback function of the terminal device is not turned on, the HARQ feedback function of the first HARQ process is not turned on, or When the HARQ feedback function of the transmission resource corresponding to the first HARQ process is not enabled, the above adjustment method may also be used to adjust the time window parameter of the first timer.
  • the adjustment parameter of the first timer of the first HARQ process can be determined, and then according to the adjustment parameter, Adjust the time window parameter of the first timer. Since the adjustment parameter can indicate the adjustment law of the time window parameter of the first timer, the time window parameter of the first timer can be dynamically adjusted according to the adjustment law to ensure that the adjusted time window parameter can be adjusted. It matches with the frequently changing transmission delay, which improves the accuracy and efficiency of data transmission.
  • determining the adjustment parameter of the first timer of the first HARQ process may include the following methods:
  • Manner 1 The adjustment parameter is received from the network device, and the adjustment parameter is determined according to the first information.
  • the first information includes: at least one of the law of distance change between the terminal device and the network device, the law of movement of the terminal device, the law of movement of the network device, the location information of the terminal device, and the location information of the network device.
  • the network device determines the adjustment parameter according to the first information, and then sends the adjustment parameter to the terminal device.
  • the terminal device adjusts the time window parameter of the first timer of the first HARQ process according to the received adjustment parameter.
  • the network device may send adjustment instruction information to the terminal device, where the adjustment instruction information is used to indicate that the time window parameter of the first timer is allowed to be adjusted.
  • the terminal device may adjust the time window parameter of the first timer according to the adjustment parameter.
  • the adjustment instruction information is also used to instruct the terminal device to determine the updated adjustment parameter by itself according to the first information, and adjust the time window parameter of the first timer according to the updated adjustment parameter.
  • Manner 2 The terminal device determines the adjustment parameter according to the first information.
  • the terminal device itself determines the adjustment parameter according to the first information, and then adjusts the time window parameter of the first timer of the first HARQ process according to the adjustment parameter.
  • the terminal device can adjust the time window parameter of the first timer. Further, in the second manner, the terminal device determines the updated adjustment parameter according to the first information, and adjusts the time window parameter of the first timer according to the updated adjustment parameter.
  • Manner 3 Receive the first parameter in the adjustment parameters from the network device, and determine the second parameter in the adjustment parameters according to the first information. Wherein, the second parameter is other parameters except the first parameter in the adjustment parameter.
  • the first parameter is a part of the adjustment parameters
  • the second parameter is another part of the adjustment parameters.
  • the parameters of the first parameter and the second parameter can be set according to the actual situation.
  • the terminal device can adjust the time window parameter of the first timer. Further, in the third manner, after receiving the first parameter from the network device, the terminal device determines the second parameter by itself, and then adjusts the time window parameter of the first timer according to the first parameter and the second parameter.
  • the first parameter is the initial time window length
  • the second parameter is the adjustment period and adjustment step of the time window length.
  • the first parameter is the initial time window length
  • the second parameter is the use time period of the time window length and the adjustment step size corresponding to each use time period.
  • the first parameter is the initial start-up time offset
  • the second adjustment parameter is the adjustment period and the adjustment step length of the start-up time offset.
  • the first parameter is the initial time offset
  • the second adjustment parameter is the use time period of the start time offset and the adjustment step size corresponding to each use time period.
  • the network device adjusts the time window parameter of the first timer of the first HARQ process according to a part of the adjustment parameter sent by the network device and another part of the adjustment parameter determined by the network device.
  • FIG. 4 is a flowchart of an information processing method provided by another exemplary embodiment of the present application. The method may be applied to the communication system shown in FIG. 1 above.
  • the information processing method may include at least one of the following: Part:
  • Step 410 The network device determines the adjustment parameter of the first timer of the first HARQ process.
  • the adjustment parameter may be determined by the network device according to the first information.
  • the first information includes: at least one of the law of distance change between the terminal device and the network device, the law of movement of the terminal device, the law of movement of the network device, the location information of the terminal device, and the location information of the network device.
  • the terminal device with the positioning function enabled can report its own location information and/or movement rule to the network device.
  • the terminal device can report its own location information and/or movement rule at any time, and can also report when the location changes. This application does not limit the reporting time.
  • the network device can determine the change rule of the distance between the terminal device and itself according to the location information and/or movement rule reported by the terminal device, and then determine the corresponding distance between the terminal device and itself. For the transmission delay, the adjustment parameter of the first timer is determined according to the transmission delay.
  • the network device may also determine the adjustment parameter of the first timer according to its own location or movement law.
  • the network device may also receive the adjustment parameter sent by another device, and the adjustment parameter is determined by the other device according to the first information.
  • Step 420 The network device sends the adjustment parameter to the terminal device.
  • the network device can send adjustment parameters to the terminal device through RRC signaling; or, send the adjustment parameters to the terminal device through MAC CE (MAC Control Element) signaling; or, through DCI (Downlink Control Channel, Downlink control information) sends the adjustment parameters to the terminal device; or, sends the adjustment parameters to the terminal device through system information.
  • RRC Radio Resource Control
  • MAC CE MAC Control Element
  • DCI Downlink Control Channel, Downlink control information
  • the adjustment parameter may include at least one of a time window length adjustment parameter and a start time offset adjustment parameter.
  • the time window length adjustment parameter is used to adjust the time window length of the first timer
  • the start time offset adjustment parameter is used to adjust the start time offset of the first timer, thereby adjusting the start of the first timer. time.
  • the time window length adjustment parameter may include the following forms:
  • M time window lengths and adjustment periods
  • the time window length is used to indicate the running time between the start and stop of the first timer.
  • the adjustment period is a period for adjusting the time window length of the first timer, that is, how often the time window length of the first timer is adjusted. For example, if the adjustment period is 1 hour, it means that the time window length of the first timer needs to be adjusted every 1 hour.
  • the time window length of the first timer may be the same or different.
  • the length of the M time windows may be the same or different, which is not limited in the embodiment of the present application.
  • M when M is 1, it means that the time window lengths corresponding to all adjustment periods are the same, that is, no matter in which adjustment period the first timer is used, the time window length of the first timer is fixed value.
  • the corresponding orbital period is about 1.5 hours to 2.0 hours. If one time window is 50ms and the adjustment period is 10 minutes, it means that during the operation of the low-orbit satellite, the time window length of the first timer needs to be adjusted every 10 minutes, and the time window length of the first timer is adjusted every 10 minutes.
  • the time windows are all 50ms.
  • the time window length of the first timer may be different, that is, in different adjustment periods, the first timer may use different times Window length.
  • the adjustment parameter includes 3 time window lengths: 50ms, 60ms, 70ms, and an adjustment period of 20 minutes. Then in the first 20 minutes, the time window of the first timer is 50ms; in the second 20 minutes, the time window of the first timer is 60ms; in the third 20 minutes, the first timer The time window of the timer is 70ms; in the fourth 20 minutes, the time window of the first timer is 50ms. So cycle.
  • the adjustment parameters may also include M time window lengths, the use order and adjustment period of M time window lengths.
  • the adjustment parameters include 3 time window lengths: 50ms, 60ms, and 70ms, the order of use of the three time window lengths: 2, 1, 3, and an adjustment period of 20 minutes.
  • the time window of the first timer is 60ms; in the second 20 minutes, the time window of the first timer is 50ms; in the third 20 minutes, the first timer The time window of the timer is 70ms; in the fourth 20 minutes, the time window of the first timer is 60ms. So cycle.
  • the aforementioned adjustment period may be one adjustment period with a fixed duration, or multiple adjustment periods with different durations.
  • it is an adjustment period with a fixed duration, it means that the adjustment is regular, and the adjustment is made according to the fixed duration.
  • it is multiple adjustment periods with different durations, it means that adjustments are made according to different durations.
  • M time window lengths and the use time period corresponding to each time window length
  • the length of the M time windows may be the same or different, which is not limited in the embodiment of the present application.
  • the use time period may include the start time point and the end time point of the use time period, or include the start time point and duration of the use time period.
  • the adjustment parameters may include a time window length of 500ms, and the use time period corresponding to this time window length: 2:00-5:00, 5:01-12:00, 12:01-1:59.
  • the adjustment parameter may also include 3 time window lengths: 500ms, 600ms, and 700ms, and the usage time periods corresponding to these three time window lengths: 2:00-5:00, 5:01-12:00 , 12:01-1:59.
  • the time window of the first timer is 500ms; in the time period of 5:01-12:00, the time window of the first timer is 600ms; at 12: In the time period of 00-1:59, the time window of the first timer is 700ms.
  • the adjustment parameter may include M time window lengths, the order of use of the M time window lengths, and M use time periods.
  • the adjustment parameters may include 3 time window lengths: 500ms, 600ms and 700ms, 3 usage time periods: 2:00-5:00, 5:01-12:00, 12:01-1:59, And the order in which the three time windows are used: 2, 1, 3.
  • the time window of the first timer is 600ms; in the time period of 5:01-12:00, the time window of the first timer is 500ms; at 12: In the time period of 00-1:59, the time window of the first timer is 700ms.
  • the adjustment step of the time window length is used to indicate the amount of change in the time window length of the first timer.
  • the adjustment parameter may include M adjustment step lengths, and the M adjustment step lengths may be the same or different.
  • the adjustment step size can be positive, 0, or negative.
  • the adjustment period may be one adjustment period with a fixed duration, or multiple adjustment periods with different durations.
  • the adjustment period is 20 minutes and the adjustment step is 5 ms, it means that every 20 minutes interval, the time window of the first timer is increased by 5 ms from the previous time window.
  • the adjustment parameters may include M use time periods and the adjustment step length of each use time period.
  • the duration of the M use time periods may be the same or different.
  • the adjustment step lengths of the adjustment parameters corresponding to the M use time periods may be the same or different.
  • the adjustment parameters may include three use time periods: 2:00-5:00, 5:01-12:00, 12:01-1:59, and the adjustment steps corresponding to these three use time periods Length: 30ms, 40ms, 50ms.
  • the time window length of the first timer is increased by 30ms compared with the previous time window; in the use time period of 5:01-12:00, the first timer The time window length of the first timer is increased by 40ms compared with the previous time window; in the use time period of 12:00-1:59, the time window of the first timer is increased by 50ms compared with the previous time window.
  • the adjustment parameter may also include the initial time window length of the first timer.
  • the initial time window length is determined based on the selection strategy.
  • the selection strategy can be determined according to the transmission delay between the network device and the terminal device. For example, the round-trip time of the transmission data corresponding to the minimum transmission delay is taken as the initial time window length of the first timer. Alternatively, the transmission delay corresponding to the case of the best communication quality is used as the initial time window length of the first timer. Or, the transmission delay corresponding to the current state of the terminal device and the network device is used as the initial time window length of the first timer.
  • the initial time window length can also be any specified or configured time window length, and the time window length can ensure the basic transmission time requirements for data packets round-trip transmission between the network device and the terminal device. This application does not limit this.
  • the adjustment period and the adjustment step size corresponding to each adjustment period may be determined based on the initial time window length.
  • the adjustment parameters may include: the initial time window length of the first timer, the use time period of the first timer time window length, and the adjustment step size corresponding to each use time period, then in each use time period Inside, the time window length of the first timer can be determined according to the initial time window length of the first timer and the adjustment step length corresponding to the use time period.
  • the maximum time window length can be determined according to the second information.
  • the second information includes at least one of the maximum distance between the terminal device and the network device, the movement rule of the terminal device, the movement rule of the network device, the location information of the terminal device, and the location information of the network device.
  • the transmission delay between the two is also the largest.
  • the maximum transmission delay is applicable to the transmission time requirements for the round-trip transmission of data packets between network equipment and terminal equipment at any distance. That is, when the maximum time window length is used, the time window length of the first timer can meet the time requirement for round-trip transmission of data under any transmission delay.
  • the startup time offset adjustment parameter may include the following forms:
  • N start time offset and adjustment periods
  • the start time offset refers to the time offset between the start time of the first timer and the reference start time
  • the start time offset can control the start time of the first timer. That is, the network device may start the first timer when the time offset between the current time and the reference start time reaches the start time offset value.
  • the reference start time may be the start time of data transmission of the first HARQ process, or the completion time of data transmission of the first HARQ process, or the first time point designated or configured by the network device.
  • the reference startup time can also be set to other time according to actual needs, which is not limited in the embodiment of the present application.
  • N start time offsets may be the same or different. That is, N can be 1 or greater than 1.
  • N it means that the start time offset is the same in all adjustment periods, that is, when the time offset between the current time and the reference start time of the first timer reaches the start time offset value, the start time offset is started. The first timer.
  • N is greater than 1, it means that different adjustment periods can correspond to different start-up time offsets.
  • start time offset can be a positive number, 0 or a negative number. When it is a negative number, it means that in the corresponding adjustment period, the time window of the first timer needs to be shorter.
  • the adjustment parameter includes 3 start time offsets: 2 ms, 3 ms, and 4 ms, and the adjustment period is 20 minutes. Then in the first 20 minutes, the start time of the first timer is offset by 2ms, that is, from the start time when the first timer transmits data in the first HARQ process, the first timer is started when the time reaches 2ms; In the second 20 minutes, the start time of the first timer is offset by 3ms, that is, from the start time when the first timer transmits data in the first HARQ process, the first timer is started when the time reaches 3ms; in the third Within 20 minutes, the start time of the first timer is offset by 4 ms, that is, the first timer is counted from the start time of data transmission in the first HARQ process, and the first timer is started when the time reaches 4 ms.
  • N start time offsets and the use time period corresponding to each start time offset
  • the N start-up time offsets may be the same or different, which is not limited in the embodiment of the present application.
  • the use time period may include the start time point and the end time point of the use time period, or include the start time point and duration of the use time period.
  • the adjustment parameters include 3 start time offsets: 20ms, 30ms, and 40ms, and the usage time corresponding to these 3 start time offsets: segment 2 :00-5:00, 5:01-12:00, 12:01-1:59.
  • the start time of the first timer is offset by 20ms, that is, it starts from the start time of the first timer to transmit data in the first HARQ process, and starts when the timer reaches 20ms The first timer; within the use time period of 5:01-12:00, the start time offset of the first timer is 30ms, that is, the time is counted from the start time of the first timer to transmit data in the first HARQ process.
  • the adjustment step of the start-up time offset is used to indicate the amount of change of the start-up time offset.
  • the adjustment parameter may include N adjustment step lengths, and the N adjustment step lengths may be the same or different.
  • the adjustment step size can be positive, 0, or negative.
  • the adjustment period may be one adjustment period with a fixed duration, or multiple adjustment periods with different durations.
  • the adjustment parameters include: the adjustment period is 20 minutes, and the adjustment step is 5 ms. Then, every 20 minutes, the start time offset of the first timer is increased by 5 ms from the start time offset in the previous adjustment period.
  • start time offset adjustment parameter may also include the initial start time offset of the first timer.
  • the adjustment parameter may include N use time periods and the adjustment step length of each use time period.
  • the duration of the N usage time periods may be the same or different.
  • the adjustment steps of the start time offset corresponding to the N use time periods may be the same or different.
  • the adjustment parameters include 3 usage time periods: 2:00-5:00, 5:01-12:00, 12:01-1 : 59, and the corresponding adjustment steps of these 3 use time periods: 30ms, 40ms, 50ms.
  • the start time offset of the first timer is increased by 30ms compared with the start time offset in the last use time period; in the use time period of 5:01-12:00 , The start time offset of the first timer is increased by 40ms compared with the start time offset in the previous use time period; in the 12:00-1:59 use time period, the start time offset of the first timer is higher than the previous start time offset
  • the start-up time offset within the use time period is increased by 50ms.
  • the first start time offset refers to the time offset between the start time of the first timer and the reference start time, and the first start time offset is determined according to the maximum time window length of the first timer; or, The first start-up time offset is determined according to the maximum distance between the terminal device and the network device; or, the first start-up time offset is determined according to the maximum transmission delay between the terminal device and the network device. That is, the first start-up time offset may be a maximum start-up time offset determined according to the maximum time window length of the return timer. After the first start-up time offset is applied, the maximum transmission delay requirement can be met.
  • time window length adjustment parameters and start-up time offset adjustment parameters are only for illustrative purposes and not for limitation. It should be appreciated that other forms of time window length adjustment parameters and/or start time offset adjustment parameters can also be used, including but not limited to any combination of the above.
  • the network device may also send adjustment instruction information to the terminal device, where the adjustment instruction information is used to indicate that the time window parameter of the first timer is allowed to be adjusted.
  • the terminal device can activate the adjustment function of the first timer or start the adjustment function of the first timer according to the adjustment instruction information.
  • the terminal device can choose to manually change according to the adjustment parameter, or it can be set to automatically adjust according to the adjustment parameter, which is not limited in this application.
  • the network device can send adjustment instruction information to the terminal device through RRC signaling; or, send the adjustment instruction information to the terminal device through MAC CE signaling; or, send the adjustment instruction information to the terminal device through DCI; or, through The system information sends adjustment instruction information to the terminal device. This application does not limit this.
  • the network device may send the adjustment parameters and the adjustment instruction information to the terminal device together or separately, and this application does not limit the sending mode and sending order.
  • Step 430 The terminal device receives the adjustment parameter, and adjusts the time window parameter of the first timer according to the adjustment parameter.
  • the adjustment parameter may include the time window length adjustment parameter and the start time offset adjustment parameter
  • the adjustment method for adjusting the time window parameter of the first timer is correspondingly different according to different adjustment parameters.
  • the time window length of the first timer in different time periods can be determined according to the time window length adjustment parameter, and then in different time periods, the time window of the first timer Adjust the length to the corresponding time window length.
  • the adjustment manner of adjusting the time window parameter of the first timer may include the following implementation manners:
  • the rotation period of the low-orbit satellite is 2 hours
  • the adjustment parameters include 4 time windows: 50ms, 60ms, 70ms, 80ms, and an adjustment period of 30 minutes.
  • the first 30 minutes adjust the time window of the first timer to 50ms
  • the second 30 minutes adjust the time window of the first timer to 60ms
  • the third 30 minutes Adjust the time window of the first timer to 70ms
  • the fourth 30 minutes adjust the time window of the first timer to 80ms.
  • the network device may also adjust the time window length of the first timer in the i-th adjustment period to M time window lengths in accordance with the order of use The time window for sorting i.
  • the adjustment parameters include 4 time window lengths: 300ms, 400ms, 500ms, and 600ms, and these 4 time window lengths correspond to Use time: 9:00-12:00, 12:01-18:00, 18:01-23:00, 23:01-8:59.
  • the time window length of the first timer When using the time period from 9:00 to 12:00, adjust the time window length of the first timer to 300ms; when using the time period from 12:01-18:00, adjust the time window length of the first timer Is 400ms; when the time period of 18:01-23:00 is used, the time window of the first timer is adjusted to 500ms; when the time period of 23:01-8:59 is used, the first timer’s The time window length is adjusted to 600ms.
  • the time window length of the first timer in the jth use time period can be adjusted to M Among the time window lengths, the time window length is sorted as j according to the order of use, and j is an integer not greater than M.
  • the adjustment parameters can include 3 time window lengths: 500ms, 600ms and 700ms, 3 use time periods: 2:00-5:00, 5:01-12:00, 12:01-1:59, and The order in which the three time windows are used: 2, 1, 3.
  • the time window length of the first timer is adjusted to 600ms; in the time period of 5:01-12:00, the time window length of the first timer is adjusted to 500ms ;
  • the time window length of the first timer is adjusted to 700ms.
  • the time window length of the first timer in the k-th adjustment period is adjusted to the first time window length, and the first time window length is Determined according to the time window length and the adjustment step length in the k-1th adjustment period, k is a positive integer.
  • the time window length of the first timer is A
  • the time window length adjustment parameter may further include: the initial time window length of the first timer.
  • the above method (3) may also be: according to the adjustment period and adjustment step length of the time window length of the first timer, the time window length of the first timer in the kth adjustment period is adjusted to The first time window is long.
  • the first time window is determined according to the initial time window and the adjustment step, and k is a positive integer.
  • the adjustment parameters include an adjustment period of 30 minutes, and an adjustment step size: 50ms, 60ms, 70ms, and 80ms.
  • the first 30 minutes adjust the time window of the first timer to A+50ms
  • the second 30 minutes adjust the time window of the first timer to A+60ms
  • the third Within 30 minutes, adjust the time window of the first timer to A+70ms
  • within the fourth 30 minutes adjust the time window of the first timer to A+80ms.
  • the adjustment parameters include an adjustment period of 30 minutes, and an adjustment step: 50ms, 60ms, 70ms, and 80ms.
  • the first 30 minutes adjust the time window of the first timer to A; in the second 30 minutes, adjust the time window of the first timer to A+50ms; in the third 30 minutes, adjust the time window of the first timer to A+50ms; Within minutes, adjust the time window of the first timer to A+60ms; within the fourth 30 minutes, adjust the time window of the first timer to A+70ms; within the fifth 30 minutes, adjust Adjust the time window of the first timer to A+80ms; within the sixth 30 minutes, adjust the time window of the first timer to A+50ms.
  • all adjustments are made based on the initial time window.
  • the time window length of the first timer is A.
  • the network device is a geosynchronous orbit satellite
  • the rotation period of the geosynchronous orbit satellite is 24 hours.
  • the adjustment parameters include the use time period of the first timer window length: 9:00-12:00, 12:01-18:00, 18:01-23:00, 23:01-8:59, the use time The adjustment steps corresponding to each segment: 300ms, 400ms, 500ms, 600ms.
  • the time window length of the first timer is adjusted to C+400ms, and so on.
  • the time window length adjustment parameter may further include: the initial time window length of the first timer.
  • the above method (4) can also be: according to the use time period of the time window of the first timer and the adjustment step corresponding to each use time period, the first timer is used in the first timer.
  • the time window length in the time period is adjusted to the second time window length, which is determined according to the initial time window length and the adjustment step size corresponding to the lth use time period, and l is a positive integer.
  • the initial time window length of the first timer is A. If the network device is a geosynchronous orbit satellite, the rotation period of the geosynchronous orbit satellite is 24 hours.
  • the adjustment parameters include the use time period of the first timer window length: 9:00-12:00, 12:01-18:00, 18:01-23:00 and 23:01-8:59, the use time
  • the adjustment steps corresponding to the segments 300ms, 400ms, 500ms, and 600ms.
  • the initial time window of the first timer is A. If the network device is a geosynchronous orbit satellite, the rotation period of the geosynchronous orbit satellite is 24 hours.
  • the adjustment parameters include the use time periods of the first timer's time window length: 12:01-18:00, 18:01-23:00 and 23:01-12:00, and the adjustment steps corresponding to the use time periods: 400ms, 500ms and 600ms.
  • the time window length of the first timer is the same, which is the maximum time window length.
  • the time window length in the current adjustment period can be adjusted based on the time window length in the previous adjustment period; it can also be adjusted based on the current adjustment period.
  • the time window in the cycle is long, and the time window length in the current adjustment cycle is adjusted; the time window length in the current adjustment cycle can also be adjusted based on the initial time window length in the received adjustment parameters. The embodiment of the application does not limit this.
  • FIG. 5 is a schematic diagram of time window length adjustment provided by an exemplary embodiment of the present application.
  • the adjustment period of the time window parameter is T1
  • the adjustment step is the first adjustment step.
  • the terminal device receives the adjustment parameter in the third T1, and can immediately adjust the time window length of the first timer according to the received adjustment parameter.
  • the adjusted adjustment period is T2
  • the time window length of the second T2 4 time window length 3+the second adjustment step length
  • the time window length of the third T2 5 time window length 4+the second adjustment step length.
  • the adjusted adjustment period is T2
  • the adjusted first T2 time window can be based on the current
  • the time window length of the second T2 4 time window length 3+the second adjustment step length
  • the time window length of the third T2 5 time window length 4+the second adjustment step length.
  • the adjusted adjustment period is T2
  • the adjusted first time window length of T2 can be based on the initial time window length and the second time window.
  • the start time offset of the first timer in different time periods can be determined according to the start time offset adjustment parameter, and then in different time periods, according to different start times Offset, start the first timer.
  • the adjustment method for adjusting the startup time offset parameter of the first timer according to the adjustment parameter may include the following implementation methods:
  • the adjustment parameters include 4 start-up time offsets: 50ms, 60ms, 70ms, 80ms, and an adjustment period of 30 minutes. In the first 30 minutes, adjust the start time offset of the first timer to 50ms; in the second 30 minutes, adjust the start time offset of the first timer to 60ms; then in the third Within 30 minutes, adjust the start time offset of the first timer to 70ms; then in the fourth 30 minutes, adjust the start time offset of the first timer to 80ms. And so on.
  • the rotation period of the geosynchronous orbit satellite is 24 hours.
  • the adjustment parameters include 3 start-up time offsets: 300ms, 400ms, 500ms, and the usage time periods corresponding to these 4 start-up time offsets: 9:00-14:00, 14:01-19:00, 19:01 -8:59.
  • adjust the start time offset of the first timer to 300ms; when using the time period from 14:01-19:00, adjust the start time of the first timer to offset
  • the shift is adjusted to 400ms; in the use time period of 19:01-8:59, the start time offset of the first timer is adjusted to 500ms.
  • the start time offset of the first timer in the rth adjustment period is adjusted to the first time offset.
  • the time offset is determined according to the start time offset and the adjustment step length in the r-1th adjustment period, and r is a positive integer.
  • the adjustment parameters may include: an adjustment period of 20 minutes, and an adjustment step of 5 ms. Then every 20 minutes, the start time offset of the first timer is increased by 5 ms.
  • the above method (3) may also be: according to the adjustment period and adjustment step length of the start time offset of the first timer, offset the start time of the first timer in the rth adjustment period
  • the adjustment is the first time offset
  • the first time offset is determined according to the initial start time offset and the adjustment step size corresponding to the rth use time period, and r is a positive integer.
  • the second time offset is determined according to the start time offset and the adjustment step in the s-1th use time period, and s is a positive integer.
  • the adjustment parameters may include 3 usage time periods: 2:00-5:00, 5:01-12:00, 12:01-1:59, and adjustment steps corresponding to these 3 usage time periods
  • the length is 30ms, 40ms, 50ms.
  • the above method (4) may also be: according to the use time period offset by the start time of the first timer and the adjustment step corresponding to each use time period, the first timer is set at the sth The start time offset in the use time period is adjusted to the second time offset, and the second time offset is determined according to the initial start time offset and the adjustment step corresponding to the sth use time period, and s is a positive integer.
  • the network device determines the adjustment parameter of the first timer of the first HARQ process, and sends the adjustment parameter to the terminal device.
  • the device receives the adjustment parameter from the network device, and adjusts the time window parameter of the first timer according to the adjustment parameter. Since the adjustment parameter can indicate the adjustment law of the time window parameter of the first timer, the time window parameter of the first timer can be dynamically adjusted according to the adjustment law, so as to ensure that the adjusted time window parameter can match the frequent The varying transmission delay matches, which improves the accuracy and efficiency of data transmission.
  • the network device may pre-configure the corresponding transmission resource for the terminal device and the HARQ process corresponding to the transmission resource, and each HARQ process corresponds to a first timer.
  • the terminal device needs to maintain and adjust the time window parameter of the first timer when using the HARQ process to transmit data packets.
  • FIG. 6 is a flowchart of an information processing method provided by another exemplary embodiment of the present application.
  • the method can be applied to the communication system shown in FIG. 1, and the information processing method can include at least part of the following content:
  • Step 610 The network device sends resource configuration information and timer configuration information to the terminal device.
  • the resource configuration information may include: resource indication information of the transmission resource configured for the terminal device, and the HARQ process corresponding to the transmission resource.
  • the resource indication information is used to indicate information such as the time-frequency domain position of the transmission resource.
  • the resource indication information may include a resource period, a resource identifier, and so on.
  • the resource identifier can be a resource Index.
  • the timer configuration information includes an adjustment parameter, which is used to adjust the time window parameter of the first timer of the specified HARQ process, and the specified HARQ process is all HARQ processes or parts corresponding to the transmission resources configured for the terminal device HARQ process.
  • the network device may also send adjustment instruction information to the terminal device, where the adjustment instruction information is used to indicate that the time window parameter of the first timer is allowed to be adjusted. That is, after receiving the above adjustment instruction information, the terminal device can determine according to the adjustment instruction information that it can adjust the time window parameter of the first timer of the specified HARQ process according to the adjustment parameter in the timer configuration information.
  • the adjustment instruction information can be sent to the network device as part of the resource configuration information or timer configuration information, or can be sent to the terminal device separately, which is not limited in the embodiment of the present application.
  • Step 620 The terminal device receives the resource configuration information and the timer configuration information, configures the transmission resource according to the resource configuration information, and configures the time window parameter of the first timer of the designated HARQ process according to the timer configuration information.
  • the terminal device can determine the available transmission resources of the terminal device and the use period of the transmission resources according to the resource indication information in the resource configuration information. That is, the time-frequency domain position of the transmission resource for transmitting the data packet between the terminal device and the network device is determined, and the data packet is transmitted at the corresponding time-frequency domain position.
  • the designated HARQ process can also be determined according to the resource configuration information.
  • the terminal device may determine the time window parameter of the first timer corresponding to the designated HARQ process according to the adjustment parameter included in the timer configuration information, and maintain the first timer according to the time window parameter. For example, maintain the start time and time window length of the first timer.
  • Step 630 The terminal device performs data transmission according to the configured transmission resource and the time window parameter of the first timer specifying the HARQ process.
  • the MAC layer When the terminal device transmits data, the MAC layer multiplexes the data corresponding to the transmission resource, and the packet is grouped to generate a complete MAC PDU.
  • the designated HARQ process will store the MAC PDU in the corresponding HARQ buffer for data retransmission. Moreover, when the HARQ process is designated to transmit data, before the corresponding first timer expires, the MAC PDU in the buffer area of the designated HARQ process can be scheduled to be retransmitted. Before the corresponding first timer expires, the designated HARQ process is not allowed to transmit data corresponding to other transmission resources.
  • the terminal device starts the first timer when using the designated HARQ process to transmit the data packet corresponding to the transmission resource.
  • the HARQ process is not used to transmit data packets corresponding to other transmission resources.
  • the time window parameter of the first timer of the designated HARQ process can also be adjusted according to the adjustment rule indicated by the adjustment parameter.
  • Step 640 The network device determines updated timer configuration information according to the first information, where the updated timer configuration information includes updated adjustment parameters.
  • the first information includes: at least one of the law of distance change between the terminal device and the network device, the law of movement of the terminal device, the law of movement of the network device, the location information of the terminal device, and the location information of the network device.
  • the network device determines the change rule of the transmission delay between the terminal device and the network device according to the first information, then determines the updated adjustment parameter according to the change rule of the transmission delay, and sends the updated adjustment parameter to the terminal device.
  • the updated adjustment parameter may include at least one of a time window length adjustment parameter and a start time offset adjustment parameter.
  • the time window length adjustment parameter is used to adjust the time window length of the first timer
  • the start time offset adjustment parameter is used to adjust the start time offset of the first timer, thereby adjusting the start of the first timer. time.
  • Step 650 The network device sends the updated timer configuration information to the terminal device.
  • Step 660 The terminal device receives the updated timer configuration information, and adjusts the time window parameter of the first timer of the specified HARQ process according to the updated adjustment parameter.
  • the time window length of the first timer in different time periods can be determined according to the time window length adjustment parameter, and then in different time periods, the first timer The time window length is adjusted to the corresponding time window length.
  • the start time offset of the first timer in different time periods can be determined according to the start time offset adjustment parameter, and then different time periods are used. Start the time offset to start the first timer.
  • the network device may determine the adjustment parameter of the first timer of the first HARQ process, and send the adjustment parameter to the terminal device, In this way, the terminal device adjusts the time window parameter of the first timer according to the received adjustment parameter. Since the adjustment parameter can indicate the adjustment rule of the time window parameter of the first timer, the time window parameter of the first timer can be dynamically adjusted according to the adjustment rule, so as to ensure that the adjusted time window parameter can be consistent with the frequent The varying transmission delay matches, which improves the accuracy and efficiency of data transmission.
  • FIG. 7 is a flowchart of an information processing method provided by another exemplary embodiment of the present application.
  • the method may be applied to the terminal device 120 in the communication system shown in FIG. 1, and the information processing method may include At least part of the following:
  • Step 710 The terminal device determines the adjustment parameter of the first timer of the first HARQ process according to the first information.
  • the first information includes: at least one of the law of distance change between the terminal device and the network device, the law of movement of the terminal device, the law of movement of the network device, the location information of the terminal device, and the location information of the network device.
  • the terminal device can determine the change rule of the distance between itself and the network, and then determine the transmission delay between the terminal device and the network device according to the change rule of the distance , And then determine the adjustment parameter of the first timer according to the transmission delay.
  • the terminal device when the terminal device does not have positioning capabilities or does not have positioning (terminal location) information, the terminal device can determine the transmission delay between the terminal device and the network device according to the movement rule or location of the network device, and then according to The transmission delay determines the adjustment parameter of the first timer.
  • Step 720 The terminal device adjusts the time window parameter of the first timer of the first HARQ process according to the adjustment parameter.
  • the implementation process of adjusting the window parameters of the first timer of the first HARQ process can refer to the related description of step 430 in the embodiment of FIG. 4, which will not be repeated in this embodiment of the application. .
  • the terminal device can determine the adjustment parameter by itself, and adjust the window parameter of the first timer autonomously. In the entire adjustment process, no network device is required to participate, and the adjustment method is more flexible.
  • the terminal device may also obtain the first parameter in the adjustment parameters from the network device, determine the second parameter in the adjustment parameters according to the first information, and then, according to the first parameter and the second parameter, determine the first parameter in the adjustment parameter.
  • the window parameters of the timer are adjusted.
  • the first parameter may be the initial time window length of the first timer
  • the second parameter may be the adjustment period and the adjustment step length of the time window length of the first timer.
  • the terminal device may determine the adjustment parameter of the first timer of the first HARQ process according to the first information, and then according to the adjustment parameter, Adjust the time window parameter of the first timer. Since the adjustment parameter can indicate the adjustment rule of the time window parameter of the first timer, the time window parameter of the first timer can be dynamically adjusted according to the adjustment rule, so as to ensure that the adjusted time window parameter can be consistent with the frequent The varying transmission delay matches, which improves the accuracy and efficiency of data transmission.
  • Fig. 8 is a schematic structural diagram showing an information processing apparatus according to an exemplary embodiment.
  • the apparatus 800 may be configured in a terminal device, and the apparatus 800 includes:
  • the determining module 810 is configured to determine the adjustment parameter of the first timer of the first HARQ process of the first hybrid automatic repeat request.
  • the first HARQ process is any HARQ process corresponding to the transmission resource configured by the network device for the terminal device, and the adjustment parameter is used for Indicate the adjustment rule of the time window parameter of the first timer;
  • the adjustment module 820 is configured to adjust the time window parameter of the first timer according to the adjustment parameter.
  • the time window parameter of the first timer includes at least one of a time window length, an adjustment step length of the time window length, a start time, a start time offset, and an adjustment step length of the start time offset.
  • the determining module 810 includes:
  • the first determining sub-module is configured to receive adjustment parameters from the network device, where the adjustment parameters are determined according to the first information
  • the second determining sub-module is configured to determine the adjustment parameter according to the first information
  • the third determining sub-module is configured to receive the first parameter in the adjustment parameters from the network device, and determine the second parameter in the adjustment parameters according to the first information, and the second parameter is the adjustment parameters other than the first parameter parameter;
  • the first information includes: at least one of the law of distance change between the terminal device and the network device, the law of movement of the terminal device, the law of movement of the network device, the location information of the terminal device, and the location information of the network device. kind.
  • the adjustment parameters include:
  • M time window length and adjustment period, M is a positive integer
  • the adjustment module 820 is used to:
  • the time window length of the first timer in the jth use time period is adjusted to the jth time window length among the M time window lengths, j is an integer not greater than M.
  • the adjustment parameters include:
  • the adjustment step is used to indicate the amount of change in the time window length of the first timer.
  • the adjustment parameter further includes: the initial time window length of the first timer.
  • the adjustment module 820 is used to:
  • the time window length of the first timer in the kth adjustment period is adjusted to the first time window length, and the first time window length is based on the kth adjustment period.
  • the time window length and the adjustment step length in an adjustment period are determined, and k is a positive integer;
  • the second time window length is determined according to the time window length and the adjustment step length in the 1-1th use time period, and l is a positive integer.
  • the adjustment module 820 is used to:
  • the time window length of the first timer in the k-th adjustment period is adjusted to the first time window length, and the first time window length is based on the initial time
  • k is a positive integer
  • the second time window length is determined according to the initial time window length and the adjustment step size corresponding to the lth use time period, and l is a positive integer.
  • the adjustment parameters include:
  • N start time offsets and adjustment periods, where N is a positive integer
  • start time offset refers to the time offset between the start time of the first timer and the reference start time.
  • the reference start time is the start time of data transmission of the first HARQ process
  • the reference start time is the completion time of data transmission of the first HARQ process
  • the reference start time is the first time point specified or configured.
  • the adjustment parameter further includes: the initial start time offset of the first timer.
  • the adjustment module 820 is used to:
  • the start time offset of the first timer in the p adjustment period is adjusted to the p start time offset of the N start time offsets, and p is not greater than An integer of N;
  • start time offset of the first timer in the qth use time period is adjusted to the qth of the N start time offsets.
  • Start time offset, q is an integer not greater than N.
  • the adjustment parameters include:
  • the start time offset of the first timer refers to the time offset between the start time of the first timer and the reference start time.
  • the adjustment parameter further includes: an initial start time offset of the first timer.
  • the adjustment module 820 is used to:
  • the start time offset of the first timer in the r-th adjustment period is adjusted to the first time offset, and the first time offset is based on If the start time offset and the adjustment step length in the r-1th adjustment period are determined, r is a positive integer;
  • the start time offset of the first timer in the sth use time period is adjusted to the second time offset
  • the second time offset is determined according to the start time offset and the adjustment step in the s-1th use time period, and s is a positive integer.
  • the adjustment module 820 is used to:
  • the start time offset of the first timer in the r-th adjustment period is adjusted to the first time offset, and the first time offset is based on
  • the initial start-up time offset and the adjustment step size corresponding to the rth use time period are determined, and r is a positive integer;
  • the start time offset of the first timer in the sth use time period is adjusted to the second time offset
  • the second time offset is determined according to the initial start time offset and the adjustment step size corresponding to the sth use time period, and s is a positive integer.
  • the adjustment parameters include:
  • the maximum time window is determined according to the second information
  • the second information includes: the maximum distance between the terminal device and the network device, the movement law of the terminal device, the movement law of the network device, the location information of the terminal device and the network device At least one of the location information of.
  • the adjustment module 820 is used to:
  • the adjustment parameters include:
  • the first start time offset refers to the time offset between the start time of the first timer and the reference start time, and the first start time offset is determined according to the maximum time window length of the first timer; or, The first start-up time offset is determined according to the maximum distance between the terminal device and the network device; or, the first start-up time offset is determined according to the maximum transmission delay between the terminal device and the network device;
  • the maximum time window is determined according to the second information
  • the second information includes: the maximum distance between the terminal device and the network device, the movement law of the terminal device, the movement law of the network device, the location information of the terminal device and the network device At least one of the location information of.
  • the adjustment module 820 is used to:
  • the terminal device is a terminal device with the HARQ feedback function enabled
  • the first HARQ process is the HARQ process enabled by the HARQ feedback function
  • the transmission resource corresponding to the first HARQ process is the transmission resource enabled by the HARQ feedback function.
  • the device 800 further includes:
  • the receiving module 830 is configured to receive adjustment instruction information from the network device, where the adjustment instruction information is used to indicate that the time window parameter of the first timer is allowed to be adjusted.
  • the adjustment parameter of the first timer of the first HARQ process can be determined, and then the first timer is adjusted according to the adjustment parameter.
  • the time window parameters are adjusted. Since the adjustment parameter can indicate the adjustment rule of the time window parameter of the first timer, the time window parameter of the first timer can be dynamically adjusted according to the adjustment rule, so as to ensure that the adjusted time window parameter can be consistent with the frequent The varying transmission delay matches, which improves the accuracy and efficiency of data transmission.
  • FIG. 9 is a schematic structural diagram of an information processing apparatus provided by another exemplary embodiment of the present application.
  • the apparatus 900 may be configured in a network device, and the apparatus 900 includes:
  • the sending module 910 is configured to send adjustment parameters to the terminal device, the adjustment parameters are used to indicate the configuration of the first hybrid automatic repeat request HARQ process to authorize the adjustment rule of the time window parameter of the first timer, and the first HARQ process is configured to the terminal Any HARQ process corresponding to the transmission resource of the device.
  • the time window parameter of the first timer includes at least one of a time window length, an adjustment step length of the time window length, a start time, a start time offset, and an adjustment step length of the start time offset.
  • the sending module 910 is configured to:
  • the adjustment parameters include:
  • M time window length and adjustment period, M is a positive integer
  • the adjustment parameters include:
  • the adjustment step is used to indicate the amount of change in the time window length of the first timer.
  • the adjustment parameter further includes: the initial time window length of the first timer.
  • the adjustment parameters include:
  • N start time offsets and adjustment periods, where N is a positive integer
  • start time offset refers to the time offset between the start time of the first timer and the reference start time.
  • the reference start time is the start time of data transmission of the first HARQ process
  • the reference start time is the completion time of data transmission of the first HARQ process
  • the reference start time is the first time point specified or configured.
  • the adjustment parameter further includes: an initial start time offset of the first timer.
  • the adjustment parameters include:
  • the start time offset of the first timer refers to the time offset between the start time of the first timer and the reference start time.
  • the adjustment parameters include:
  • the maximum time window is determined according to the second information
  • the second information includes: the maximum distance between the terminal device and the network device, the movement law of the terminal device, the movement law of the network device, the location information of the terminal device and the network device At least one of the location information of.
  • the adjustment parameters include:
  • the first start time offset refers to the time offset between the start time of the first timer and the reference start time, and the first start time offset is determined according to the maximum time window length of the first timer; or, The first start-up time offset is determined according to the maximum distance between the terminal device and the network device; or, the first start-up time offset is determined according to the maximum transmission delay between the terminal device and the network device;
  • the maximum time window is determined according to the second information
  • the second information includes: the maximum distance between the terminal device and the network device, the movement law of the terminal device, the movement law of the network device, the location information of the terminal device and the network device At least one of the location information of.
  • the sending module 910 is also used for:
  • the network device may send the adjustment parameter to the terminal device.
  • the adjustment parameter is used to indicate the configuration of the first hybrid automatic repeat request HARQ process to authorize the adjustment rule of the time window parameter of the first timer, and the first HARQ process Any HARQ process corresponding to the transmission resource configured for the terminal device.
  • the network device can determine the window adjustment parameter of the first timer that the terminal needs to maintain and adjust, and send the adjustment parameter used to indicate the adjustment rule of the time window parameter of the first timer to the network device.
  • the terminal can adjust the window parameters of the first timer by itself, without network equipment interfering in each adjustment process, avoiding excessive command consumption and the resulting transmission delay, and ensuring the adjusted time window
  • the parameters can be matched with the frequently changing transmission delay, which improves the accuracy of data transmission and the efficiency of data transmission.
  • FIG. 10 shows a schematic structural diagram of a communication device (terminal device or network device) provided by an exemplary embodiment of the present application.
  • the communication device includes a processor 1001, a receiver 1002, a transmitter 1003, and a memory 1004. And bus 1005.
  • the processor 1001 includes one or more processing cores, and the processor 1001 executes various functional applications and information processing by running software programs and modules.
  • the receiver 1002 and the transmitter 1003 may be implemented as a communication component, and the communication component may be a communication chip.
  • the memory 1004 is connected to the processor 1001 through a bus 1005.
  • the memory 1004 may be used to store at least one instruction, and the processor 1001 is used to execute the at least one instruction, so as to implement each step performed by the terminal device and the network device in the foregoing method embodiments.
  • the memory 1004 can be implemented by any type of volatile or non-volatile storage device or a combination thereof.
  • the volatile or non-volatile storage device includes, but is not limited to: magnetic disks or optical disks, EEPROM (Electrically Erasable Programmable read only memory, electrically erasable programmable read-only memory), EPROM (Erasable Programmable Read-Only Memory, erasable programmable read-only memory), SRAM (Static Random Access Memory, static anytime access memory), ROM (Read Only Memory), magnetic memory, flash memory, PROM (Programmable Read-Only Memory).
  • the present application provides a computer-readable storage medium in which at least one instruction is stored, and the at least one instruction is loaded and executed by the processor to implement the information processing method provided by each method embodiment described above.
  • This application also provides a computer program product, which when the computer program product runs on a computer, causes the computer to execute the information processing method provided by the foregoing method embodiments.
  • the functions described in the embodiments of the present application may be implemented by hardware, software, firmware, or any combination thereof. When implemented by software, these functions can be stored in a computer-readable medium or transmitted as one or more instructions or codes on the computer-readable medium.
  • the computer-readable medium includes a computer storage medium and a communication medium, where the communication medium includes any medium that facilitates the transfer of a computer program from one place to another.
  • the storage medium may be any available medium that can be accessed by a general-purpose or special-purpose computer.

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  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

La présente invention concerne un procédé et un appareil de traitement d'informations, ainsi qu'un dispositif et un support de stockage relevant du domaine technique des communications. Pour un premier processus HARQ correspondant à une ressource de transmission configurée par un dispositif de réseau pour un dispositif terminal, le procédé suppose de déterminer un paramètre d'ajustement d'un premier temporisateur du premier processus HARQ, puis d'ajuster un paramètre de fenêtre temporelle du premier temporisateur en fonction du paramètre d'ajustement. Puisque le paramètre d'ajustement peut indiquer une règle d'ajustement d'une fenêtre temporelle du premier temporisateur, le paramètre de fenêtre temporelle du premier temporisateur peut être ajusté de manière dynamique en fonction de la règle d'ajustement, ce qui garantit que le paramètre de fenêtre temporelle ajusté correspond au retard de transmission variant fréquemment. La précision et l'efficacité d'une transmission de données s'en trouvent améliorées.
PCT/CN2020/077580 2020-03-03 2020-03-03 Procédé et appareil de traitement d'informations, dispositif et support de stockage Ceased WO2021174411A1 (fr)

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