WO2021227050A1 - Procédé de traitement d'informations, dispositif terminal et support de stockage - Google Patents

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

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Publication number
WO2021227050A1
WO2021227050A1 PCT/CN2020/090622 CN2020090622W WO2021227050A1 WO 2021227050 A1 WO2021227050 A1 WO 2021227050A1 CN 2020090622 W CN2020090622 W CN 2020090622W WO 2021227050 A1 WO2021227050 A1 WO 2021227050A1
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WIPO (PCT)
Prior art keywords
harq process
terminal device
downlink
uplink
running
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PCT/CN2020/090622
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English (en)
Chinese (zh)
Inventor
李海涛
胡奕
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to CN202080100719.6A priority Critical patent/CN115516795A/zh
Priority to PCT/CN2020/090622 priority patent/WO2021227050A1/fr
Publication of WO2021227050A1 publication Critical patent/WO2021227050A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems

Definitions

  • This application relates to the field of wireless communication technology, and in particular to an information processing method, terminal device and storage medium.
  • the network device can configure the terminal device to enable or disable the HARQ function of the Hybrid Automatic Repeat reQuest (HARQ) process; when the HARQ function changes, such as from the HARQ function In the case of switching from on to off or from off to on, in order to simplify the processing flow of the communication system, it has not yet been clarified what operations the terminal device needs to perform.
  • HARQ Hybrid Automatic Repeat reQuest
  • the embodiments of the present application provide an information processing method, terminal device, and storage medium, which clarify the operations that the terminal device needs to perform in order to simplify the processing flow of the communication system when the HARQ function changes.
  • the embodiments of the present application provide an information processing method, including: when the attributes of the HARQ process change, the Media Access Control (MAC) entity of the terminal device performs reconfiguration for the HARQ process. Set.
  • MAC Media Access Control
  • an embodiment of the present application provides an information processing method, including: when the attributes of the HARQ process change, the terminal device starts or restarts the discontinuous reception retransmission timer corresponding to the HARQ process.
  • an embodiment of the present application provides a terminal device.
  • the terminal device includes a first processing unit configured to reset the HARQ process when the attributes of the HARQ process change.
  • a processing unit belongs to the media access control MAC entity.
  • an embodiment of the present application provides a terminal device, the terminal device includes: a fourth processing unit configured to start or restart the discontinuous reception corresponding to the HARQ process when the attributes of the HARQ process change Retransmission timer.
  • an embodiment of the present application provides a terminal device, including a processor and a memory for storing a computer program that can run on the processor, wherein the processor is used to execute the above-mentioned terminal when the computer program is running. The steps of the information processing method performed by the device.
  • an embodiment of the present application provides a chip, including a processor, configured to call and run a computer program from a memory, so that a device installed with the chip executes the information processing method performed by the terminal device.
  • an embodiment of the present application provides a storage medium that stores an executable program, and when the executable program is executed by a processor, the above-mentioned information processing method executed by the terminal device is implemented.
  • an embodiment of the present application provides a computer program product, including computer program instructions, and the computer program instructions cause a computer to execute the above-mentioned information processing method executed by the terminal device.
  • an embodiment of the present application provides a computer program that enables a computer to execute the information processing method executed by the above-mentioned terminal device.
  • the information processing method, terminal device, and storage medium provided by the embodiments of the present application include: when the attributes of the HARQ process change, the media access control MAC entity of the terminal device is reset for the HARQ process.
  • the terminal device performing partial reset of the MAC entity can simplify the processing procedures of the terminal device and the network device, and avoid the complexity of the transmission of the HARQ process after the attributes of the HARQ process change. deal with.
  • FIG. 1 is an optional schematic diagram of a discontinuous reception period according to an embodiment of this application
  • FIG. 2 is a schematic diagram of the composition structure of a communication system according to an embodiment of the application.
  • FIG. 3 is a schematic diagram of an optional processing flow of an information processing method according to an embodiment of this application.
  • FIG. 4 is a schematic diagram of a detailed processing flow of partially resetting the HARQ process by the MAC entity of the terminal device according to an embodiment of the application;
  • FIG. 5 is a schematic diagram of another optional processing flow of the information processing method according to an embodiment of this application.
  • FIG. 6 is a schematic diagram of an optional processing flow of DRX processing performed by a terminal device according to an embodiment of the application;
  • FIG. 7 is a schematic diagram of a detailed processing flow of DRX processing performed by a terminal device according to an embodiment of the application.
  • FIG. 8 is a schematic diagram of another detailed processing flow of DRX processing performed by a terminal device according to an embodiment of the application.
  • FIG. 9 is a schematic diagram of an optional structure of a terminal device according to an embodiment of the application.
  • FIG. 10 is a schematic diagram of another optional composition structure of a terminal device according to an embodiment of the application.
  • FIG. 11 is a schematic diagram of the hardware composition structure of a terminal device according to an embodiment of the application.
  • Non-terrestrial communication network uses satellite communication to provide communication services to ground users.
  • satellite communication Compared with terrestrial cellular network communication, satellite communication has many unique advantages.
  • satellite communication is not restricted by the user's area.
  • general terrestrial communication cannot cover areas where communication equipment cannot be installed, such as oceans, mountains, or deserts, or areas that cannot be covered by communication due to sparse population; while for satellite communication, due to a A satellite can cover a large area of the ground, and the satellite can orbit the earth, so theoretically every corner of the earth can be covered by satellite communications.
  • satellite communication has high 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 increase of the communication distance will not significantly increase the cost of communication; finally, the stability of satellite communication is high, and it is not restricted by natural disasters.
  • LEO Low-Earth Orbit
  • MEO Medium-Earth Orbit
  • GEO Geostationary Earth Orbit
  • HEO High Elliptical Orbit
  • LEO's orbital altitude ranges from 500km to 1500km, and the corresponding orbital period is about 1.5 hours to 2 hours.
  • the signal propagation delay of single-hop communication between terminal devices 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 terminal equipment is not high.
  • the orbital height of GEO is 35786km, and the period of rotation around the earth is 24 hours.
  • the signal propagation delay of single-hop communication between terminal devices is generally 250ms.
  • 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.
  • the network device can configure the Discontinuous Reception (DRX) function for the terminal device.
  • the terminal device is allowed to monitor the PDCCH non-continuously, so as to achieve the purpose of saving power for the terminal device.
  • Each Medium Access Control (MAC) entity has a DRX configuration;
  • DRX configuration parameters include:
  • DRX duration timer (drx-onDuration Timer), the duration of the terminal device waking up at the beginning of a DRX cycle (Cycle).
  • DRX deactivation timer (drx-InactivityTimer) when the terminal device receives a PDCCH indicating uplink initial transmission or downlink initial transmission, the terminal device continues to monitor the duration of the PDCCH.
  • DRX downlink retransmission timer (drx-RetransmissionTimerDL): The terminal device monitors the longest duration of the PDCCH indicating downlink retransmission scheduling. Each downlink HARQ process except the broadcast HARQ process corresponds to a DRX-RetransmissionTimerDL.
  • DRX Uplink RetransmissionTimerUL The terminal device monitors the longest duration of the PDCCH indicating uplink retransmission scheduling. Each uplink HARQ process corresponds to a DRX-RetransmissionTimerUL.
  • DRX long cycle start offset (drx-LongCycleStartOffset): used to configure the long DTX cycle (Long DRX cycle), and the subframe offset at which the Long DRX cycle and the short DRX cycle (Short DRX cycle) start.
  • DRX short cycle (drx-ShortCycle): optional configuration.
  • DRX short cycle timer (drx-ShortCycleTimer): the duration of the terminal device in the Short DRX cycle (and not receiving any PDCCH), which is an optional configuration.
  • drx-HARQ-RTT-TimerDL The minimum waiting time required for terminal equipment to expect to receive the PDCCH indicating downlink scheduling.
  • Each downlink HARQ process except the broadcast HARQ process corresponds to one DRX-HARQ-RTT-TimerDL;
  • drx-HARQ-RTT-TimerUL The terminal equipment expects the minimum waiting time required to receive the PDCCH indicating the uplink scheduling. Each uplink HARQ process corresponds to a drx-HARQ-RTT-TimerUL.
  • DRX Active Time includes the following situations:
  • a scheduling request (Scheduling Request, SR) is sent on the PUCCH and is in a pending state.
  • the terminal device has not received the PDCCH indication scrambled by the Cell Radio Network Temporary Identifier (C-RNTI) after successfully receiving the random access response. Initial transmission.
  • C-RNTI Cell Radio Network Temporary Identifier
  • a schematic diagram of the DRX cycle of the terminal device determines the time to start the drx-onDurationTimer according to the current short DRX cycle (Short DRX Cycle) or the long DRX cycle (Long DRX Cycle).
  • the specific regulations are as follows:
  • the drx-onDurationTimer is started at a time after drx-SlotOffset slots from the beginning of the current subframe.
  • the conditions for the terminal device to start or restart drx-InactivityTimer are:
  • the terminal device If the terminal device receives a PDCCH indicating downlink or uplink initial transmission, the terminal device starts or restarts the drx-InactivityTimer.
  • the conditions for the terminal device to start and stop drx-RetransmissionTimerDL are:
  • the terminal device When the terminal device receives a PDCCH indicating downlink transmission, or when the terminal device receives a MAC PDU on the configured downlink authorized resource, the terminal stops the drx-RetransmissionTimerDL corresponding to the HARQ process. The terminal device starts the drx-HARQ-RTT-TimerDL corresponding to the HARQ process after completing the transmission of the HARQ process feedback for this downlink transmission.
  • the terminal device If the timer drx-HARQ-RTT-TimerDL corresponding to a certain HARQ of the terminal device times out, and the downlink data transmitted using this HARQ process is not successfully decoded, the terminal device starts the drx-RetransmissionTimerDL corresponding to the HARQ process.
  • the terminal device When the terminal device receives a PDCCH indicating uplink transmission, or when the terminal device sends a MAC PDU on the configured uplink authorization resource, the terminal device stops the drx-RetransmissionTimerUL corresponding to the HARQ process. The terminal device starts the drx-HARQ-RTT-TimerUL corresponding to the HARQ process after completing the first repetition of this PUSCH.
  • the terminal device If the timer drx-HARQ-RTT-TimerUL corresponding to a certain HARQ of the terminal device times out, the terminal device starts the drx-RetransmissionTimerUL corresponding to this HARQ process.
  • the terminal device After the terminal device completes the uplink transmission or completes the HARQ process feedback for the downlink transmission, it will first start a DRX HARQ RTT timer (for the uplink transmission is drx-HARQ-RTT-TimerUL, for the downlink transmission It is drx-HARQ-RTT-TimerDL), the terminal device is in the dormant state during the running of the DRX HARQ RTT timer and does not monitor the PDCCH. After the DRX HARQ RTT timer expires, the terminal device starts monitoring the uplink retransmission schedule or determines whether to start monitoring the downlink retransmission schedule according to the feedback of the HARQ process.
  • drx-HARQ-RTT-TimerUL and drx-HARQ-RTT-TimerDL are semi-statically configured by network equipment through radio resource control (Radio Resource Control, RRC) signaling.
  • RRC Radio Resource Control
  • both the uplink transmission and the downlink transmission support the HARQ mechanism; therefore, the drx-HARQ-RTT-TimerUL and drx-HARQ-RTT-TimerDL two timers are used in the DRX process.
  • the duration of these two timers is It characterizes the minimum time interval required by the terminal from the uplink transmission to receiving the retransmission schedule issued by the network device; the minimum time interval includes the round trip delay (RTT) and the processing time of the network device.
  • RTT round trip delay
  • the signal propagation delay between terminal equipment and satellites has increased significantly.
  • TimerUL and drx-HARQ-RTT-TimerDL introduces a time offset (offset), that is, after the terminal device completes PUSCH transmission or NACK feedback for downlink reception, drx-HARQ-RTT-TimerUL is started after another offset. Or drx-HARQ-RTT-TimerDL.
  • the network equipment can be configured to enable the HARQ function.
  • the terminal device If the HARQ function is turned off, the terminal device does not need to send HARQ feedback for the PDSCH to the network device.
  • the configuration of enabling or disabling the HARQ function can be performed based on the terminal device or the HARQ process.
  • the configuration based on the terminal device that is, the HARQ function of all HARQ processes of the configuration terminal device is in the on or off state at the same time.
  • the HARQ process-based configuration method that is, for multiple HARQ processes of a terminal device, the HARQ function of some of the HARQ processes can be configured to be in the on state, and the HARQ function of the other part of the HARQ process is to be in the off state.
  • GSM global system of mobile communication
  • CDMA code division multiple access
  • WCDMA broadband code division multiple access
  • GPRS general packet radio service
  • LTE long term evolution
  • LTE frequency division duplex FDD
  • TDD LTE Time division duplex
  • LTE-A advanced long term evolution
  • NR new radio
  • evolution system of NR system LTE on unlicensed frequency bands (LTE-based access to unlicensed spectrum, LTE-U) system, NR (NR-based access to unlicensed spectrum, NR-U) system on unlicensed frequency bands, universal mobile telecommunication system (UMTS), global Connected microwave access (worldwide interoperability for microwave access, WiMAX) communication systems, wireless local area networks (WLAN), wireless fidelity (wireless fidelity, WiFi), next-generation communication systems or other communication systems, etc.
  • WiMAX wireless local area networks
  • WiFi next-generation communication systems or other communication systems, etc.
  • the network equipment involved in the embodiments of this application may be a common base station (such as NodeB or eNB or gNB), a new radio controller (NR controller), a centralized network element (centralized unit), a new radio base station, Radio remote module, micro base station, relay, distributed unit, reception point (transmission reception point, TRP), transmission point (transmission point, TP), or any other equipment.
  • a common base station such as NodeB or eNB or gNB
  • NR controller new radio controller
  • a centralized network element centralized unit
  • a new radio base station Radio remote module
  • micro base station relay, distributed unit, reception point (transmission reception point, TRP), transmission point (transmission point, TP), or any other equipment.
  • TRP transmission reception point
  • TP transmission point
  • the terminal device may be any terminal.
  • the terminal device may be a user equipment for machine-type communication. That is to say, the terminal equipment can also be referred to as user equipment UE, mobile station (mobile station, MS), mobile terminal (mobile terminal), terminal (terminal), etc., and the terminal device can be accessed via a radio access network.
  • network, RAN communicates with one or more core networks.
  • the terminal device can be a mobile phone (or called a "cellular" phone), a computer with a mobile terminal, etc., for example, the terminal device can also be a portable or pocket-sized , Handheld, computer built-in or vehicle-mounted mobile devices that exchange language and/or data with the wireless access network.
  • the terminal device may be a user equipment for machine-type communication. That is to say, the terminal equipment can also be referred to as user equipment UE, mobile station (mobile station, MS), mobile terminal (mobile terminal), terminal (terminal), etc., and the terminal device can be accessed via a radio access network.
  • network, RAN
  • network equipment and terminal equipment can be deployed on land, including indoor or outdoor, handheld or vehicle-mounted; they can also be deployed on water; they can also be deployed on airborne aircraft, balloons, and satellites.
  • the embodiments of the present application do not limit the application scenarios of network equipment and terminal equipment.
  • communication between network equipment and terminal equipment and between terminal equipment and terminal equipment can be carried out through licensed spectrum, or through unlicensed spectrum, or through licensed spectrum and terminal equipment at the same time. Unlicensed spectrum for communication.
  • Between network equipment and terminal equipment and between terminal equipment and terminal equipment can communicate through the frequency spectrum below 7 gigahertz (gigahertz, GHz), can also communicate through the frequency spectrum above 7 GHz, and can also use the frequency spectrum below 7 GHz and Communication is performed in the frequency spectrum above 7GHz.
  • the embodiment of the present application does not limit the spectrum resource used between the network device and the terminal device.
  • D2D device to device
  • M2M machine to machine
  • MTC machine type communication
  • V2V vehicle to vehicle
  • the communication system 100 applied in the embodiment of the present application is shown in FIG. 2.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal device 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 terminal devices located in the coverage area.
  • the network device 110 may be a base station (Base Transceiver Station, BTS) in a GSM system or a CDMA system, a base station (NodeB, NB) in a WCDMA system, or an evolved base station in an LTE system (Evolutional Node B, eNB or eNodeB), or the wireless controller in the Cloud Radio Access Network (CRAN), or the network equipment can be a mobile switching center, a relay station, an access point, a vehicle-mounted device, Wearable devices, hubs, switches, bridges, routers, network-side devices in 5G networks, or network devices in the future evolution of the Public Land Mobile Network (PLMN), etc.
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • LTE Long Term Evolutional Node B
  • eNB evolved base station
  • CRAN Cloud Radio Access Network
  • the network equipment can be a mobile switching center, a relay station, an access point, a vehicle-mounted device, Wearable devices, hubs, switches
  • 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 via Public Switched Telephone Networks (PSTN), Digital Subscriber Line (DSL), digital cable, and direct cable connection ; And/or another data connection/network; and/or via a wireless interface, such as for cellular networks, wireless local area networks (WLAN), digital TV networks such as DVB-H networks, satellite networks, AM- FM broadcast transmitter; and/or another terminal device that is set to receive/send communication signals; and/or Internet of Things (IoT) equipment.
  • PSTN Public Switched Telephone Networks
  • DSL Digital Subscriber Line
  • WLAN wireless local area networks
  • IoT Internet of Things
  • a terminal device 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; Personal Communications System (PCS) 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 Global Positioning System (GPS) receiver; and conventional laptop and/or palmtop receivers or others including radio telephone transceivers Electronic device.
  • PCS Personal Communications System
  • GPS Global Positioning System
  • Terminal equipment can refer to access terminals, user equipment (UE), user units, user stations, mobile stations, mobile stations, remote stations, remote terminals, mobile equipment, user terminals, terminals, wireless communication equipment, user agents, or User device.
  • the access terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital processing (Personal Digital Assistant, PDA), with wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in 5G networks, or terminal devices in the future evolution of PLMN, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the terminal devices 120 may perform direct terminal connection (Device to Device, D2D) communication.
  • D2D Direct terminal connection
  • the 5G system or 5G network may also be referred to as a New Radio (NR) system or NR network.
  • NR New Radio
  • Figure 2 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 having a communication function and a terminal device 120.
  • 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.
  • An optional processing flow of the information processing method provided by the embodiment of the present application, as shown in FIG. 3, includes at least the following steps:
  • Step S201 When the attributes of the HARQ process change, the media access control MAC entity of the terminal device is reset for the HARQ process.
  • the attributes of the HARQ process may include the feedback function of the HARQ process; the change of the attributes of the HARQ process may include: the feedback function of the HARQ process is switched from on to off; or, the The feedback function of the HARQ process is switched from off to on.
  • the network device when the attributes of the HARQ process change and are transmitted through DCI, the network device sends first indication information to the physical layer entity of the terminal device, where the first indication information is used to indicate The HARQ process is reset; the physical layer entity then sends the first indication information to the MAC entity of the terminal device, and the MAC entity resets the HARQ process according to the first indication information.
  • the network device when the attributes of the HARQ process change and are transmitted through RRC signaling, the network device sends the first indication information to the RRC entity of the terminal device, and the RRC entity sends the first indication information to The terminal sets the MAC entity, and the MAC entity resets the HARQ process according to the first indication information.
  • resetting the MAC entity of the terminal device for the HARQ process includes at least one of the following:
  • NDI New Data Indicator
  • the terminal device may also start or restart the drx-RetransmissionTimerUL corresponding to the uplink HARQ process.
  • the terminal device may also stop the drx-HARQ-RTT-TimerUL timer corresponding to the running uplink HARQ process.
  • the terminal device may also stop the HARQ-RTT-offset-Timer corresponding to the uplink HARQ process that is running, and the duration of the HARQ-RTT-offset-Timer is that the terminal device uses the uplink HARQ process to complete PUSCH transmission Afterwards, the starting time of starting drx-HARQ-RTT-TimerUL for the uplink HARQ process is shifted.
  • resetting the MAC entity of the terminal device for the HARQ process includes at least one of the following:
  • the duration of the HARQ-RTT-offset-Timer is that after the terminal device completes the NACK feedback received for the PDSCH using the downlink HARQ process, the Offset of the start time when the downlink HARQ process starts drx-HARQ-RTT-TimerDL;
  • the transport block received next time is the initial transmission or the new transmission.
  • the terminal device may also start or restart the drx-RetransmissionTimerDL corresponding to the downlink HARQ process.
  • the terminal device may also stop the drx-HARQ-RTT-TimerDL timer corresponding to the running downlink HARQ process.
  • the terminal device may also stop the HARQ-RTT-offset-Timer corresponding to the downlink HARQ process that is running, and the duration of the HARQ-RTT-offset-Timer is that the terminal device completes the PDSCH for using the downlink HARQ process.
  • the number of HARQ processes may be one or multiple. That is, the attributes of one HARQ process change, and the MAC entity of the terminal device is partially reset for the HARQ process; it can also be that the attributes of two or more HARQ processes change, and the MAC entity of the terminal device responds to each change in the attributes. Partial reset of each HARQ process.
  • the MAC entity of the terminal device performs a partial reset for the HARQ process in detail, as shown in Figure 4, which includes at least the following steps:
  • Step S301 The terminal device receives the RRC configuration information sent by the network device.
  • the RRC configuration information may include: PDSCH and/or PUSCH related configuration.
  • the relevant configuration of PDSCH and/or PUSCH may include: uplink HARQ process configuration parameters and/or downlink HARQ process configuration parameters; such as: the number of uplink HARQ processes, the number of downlink HARQ processes, the status of the HARQ function of each uplink HARQ process, The state of the HARQ function of each downlink HARQ process; the state of the HARQ function includes: enabling the HARQ feedback function or disabling the HARQ feedback function.
  • Step S302 The terminal device receives the first indication information sent by the network device.
  • the terminal device receives the first indication information sent by the network device through RRC signaling or DCI signaling; the first indication information is used to indicate that the feedback function of at least one HARQ process is switched from on to off or off. Switch to on.
  • Step S303 The MAC entity of the terminal device resets the HARQ process in which the status of the feedback function changes.
  • resetting the MAC entity of the terminal device for the HARQ process includes at least one of the following:
  • resetting the MAC entity of the terminal device for the HARQ process includes at least one of the following:
  • the duration of the HARQ-RTT-offset-Timer is that after the terminal device completes the NACK feedback received for the PDSCH using the downlink HARQ process, the Offset of the start time when the downlink HARQ process starts drx-HARQ-RTT-TimerDL;
  • the transport block received next time is the initial transmission or the new transmission.
  • the terminal device when the attributes of the HARQ process change, the terminal device performs a partial reset of the MAC entity, which can simplify the processing procedures of the terminal device and the network device, and avoid the transmission of the HARQ process when the attributes of the HARQ process change.
  • the terminal device or the network device still performs complex processing with the configuration before the attribute change of the HARQ process.
  • this application clarifies that at the moment when the feedback function of the HARQ process is switched, the terminal device does not need to feed back ACK/NACK for the downlink HARQ process, and for the data in the buffer of the uplink HARQ process , The terminal device does not need to wait for a response from the network device to receive the data.
  • this application clarifies that at the moment when the feedback function of the HARQ process is switched, the terminal device stops the running drx-HARQ-RTT-Timer, and considers the round trip in subsequent transmissions. For the impact of time delay, only monitor the PDCCH after the drx-HARQ-RTT-Timer expires.
  • Another optional processing procedure of the information processing method provided by the embodiment of the present application, as shown in FIG. 5, includes at least the following steps:
  • Step S401 In the case that the attributes of the HARQ process change, the terminal device starts or restarts the discontinuous reception retransmission timer corresponding to the HARQ process.
  • the change in the attributes of the HARQ process includes: the feedback function of the HARQ process is switched from on to off; or the feedback function of the HARQ process is switched from off to on.
  • the method may further include:
  • Step S402 The terminal device stops the non-continuous reception hybrid automatic repeat request round-trip delay timer corresponding to the running HARQ process.
  • the method may further include:
  • Step S403 The terminal device stops the non-continuous reception hybrid automatic repeat request round trip delay offset timer corresponding to the running HARQ process.
  • the terminal device when the attributes of the HARQ process change, performs at least one of the following operations: start or restart drx-RetransmissionTimerUL; stop the running drx-HARQ-RTT -TimerUL; stop the running HARQ-RTT-offset timer, the duration of the HARQ-RTT-offset timer is that after the terminal device uses the uplink HARQ process to complete PUSCH transmission, start drx-HARQ-RTT for the uplink HARQ process -The start time offset of TimerUL.
  • the terminal device when the attributes of the HARQ process change, performs at least one of the following operations: start or restart the drx-RetransmissionTimerDL corresponding to the downlink HARQ process; The drx-HARQ-RTT-TimerDL timer corresponding to the running downlink HARQ process; the HARQ-RTT-offset-Timer corresponding to the running downlink HARQ process is stopped, and the duration of the HARQ-RTT-offset-Timer is After the terminal device completes the NACK feedback received for the PDSCH using the downlink HARQ process, it starts the start time offset of the drx-HARQ-RTT-TimerDL timer for the downlink HARQ process.
  • the number of HARQ processes may be one or multiple.
  • an optional processing procedure for the terminal device to perform DRX processing includes at least the following steps:
  • Step S501 The terminal device receives the RRC configuration information sent by the network device.
  • the RRC configuration information may include: DRX related parameters; the DRX related parameters may include: DRX cycle, drx-onDurationTimer, drx-InactivityTimer, drx-HARQ-RTT-TimerDL, drx-RetransmissionTimerDL , Drx-HARQ-RTT-TimerUL and drx-RetransmissionTimerUL etc.
  • the RRC configuration information may also include: PDSCH and/or PUSCH related configuration.
  • the relevant configuration of PDSCH and/or PUSCH may include: uplink HARQ process configuration parameters and/or downlink HARQ process configuration parameters; such as: the number of uplink HARQ processes, the number of downlink HARQ processes, the status of the HARQ function of each uplink HARQ process, and The state of the HARQ function of a downlink HARQ process; where the state of the HARQ function includes: enabling the HARQ feedback function or disabling the HARQ feedback function.
  • Step S502 The terminal device receives the first indication information sent by the network device.
  • the terminal device receives the first indication information sent by the network device through RRC signaling or DCI signaling; the first indication information is used to indicate that the feedback function of at least one HARQ process is switched from on to off or off. Switch to on.
  • Step S503 The terminal device performs DRX processing for the HARQ process whose status of the feedback function changes.
  • the terminal device when the HARQ process is an uplink HARQ process, the terminal device starts or restarts drx-RetransmissionTimerUL; the terminal device stops the running drx-HARQ-RTT-TimerUL; the terminal device stops the running HARQ- The RTT-offset timer, the duration of the HARQ-RTT-offset timer is the start time offset for starting drx-HARQ-RTT-TimerUL for the uplink HARQ process after the terminal device uses the uplink HARQ process to complete PUSCH transmission.
  • the terminal device receives an instruction to turn off the HARQ feedback function In the case, stop the drx-HARQ-RTT-TimerUL corresponding to HARQ ID 0, start the drx-Retransmission Timer UL corresponding to HARQ ID 0, and stop the HARQ-RTT-offset timer corresponding to HARQ ID 0 that is running.
  • the terminal device when the HARQ process is a downlink HARQ process, the terminal device starts or restarts the drx-RetransmissionTimerDL corresponding to the downlink HARQ process; the terminal device stops the drx-RetransmissionTimerDL corresponding to the downlink HARQ process that is running.
  • the terminal device stops the HARQ-RTT-offset-Timer corresponding to the downlink HARQ process that is running, and the duration of the HARQ-RTT-offset-Timer is for the terminal device to complete the use of the downlink
  • the start time of the drx-HARQ-RTT-TimerDL timer is shifted for the downlink HARQ process.
  • the terminal device performs another detailed processing flow of DRX processing. If indicated, stop the drx-HARQ-RTT-TimerDL corresponding to HARQ ID 1, start the drx-RetransmissionTimerDL corresponding to HARQ ID 1, and stop the HARQ-RTT-offset timer corresponding to HARQ ID 1 that is running.
  • starting or restarting the DRX retransmission timer can enable the terminal equipment and network equipment to start processing the transmission and reception of the new PDCCH at a certain moment, thereby avoiding interference with the HARQ process.
  • the complex processing of DRX monitoring before the attribute changes.
  • the foregoing embodiments are respectively directed to the process of resetting the MAC entity of the terminal device and the process of DRX when the attributes of the HARQ process change; in specific implementation, for scenarios where the attributes of the HARQ process change, the terminal device can Both resetting the MAC entity and performing DRX processing; that is, the steps of the information processing method shown in FIG. 3 and the steps of the information processing method shown in FIG. 5 can be executed at the same time.
  • the size of the sequence number of the above-mentioned processes does not mean the order of execution, and the execution order of each process should be determined by its function and internal logic, and should not correspond to the embodiments of the present application.
  • the implementation process constitutes any limitation.
  • an embodiment of the present application further provides a terminal device.
  • An optional structural schematic diagram of the terminal device 600 as shown in FIG. 9, includes:
  • the first processing unit 601 is configured to reset the HARQ process when the attributes of the HARQ process change, and the first processing unit belongs to a medium access control MAC entity.
  • the change in the attributes of the HARQ process includes: the feedback function of the HARQ process is switched from on to off; or the feedback function of the HARQ process is switched from off to on.
  • the first processing unit is configured to perform at least one of the following:
  • the terminal device 600 further includes:
  • the second processing unit 602 is configured to start or restart the discontinuous reception uplink retransmission timer corresponding to the uplink HARQ process.
  • the first processing unit 601 is configured to perform at least one of the following:
  • the transport block received next time is the initial transmission or the new transmission.
  • the terminal device 600 further includes:
  • the third processing unit 603 is configured to start or restart the discontinuous reception downlink retransmission timer corresponding to the downlink HARQ process.
  • the terminal device 600 when the attributes of the HARQ process change and are transmitted through DCI, the terminal device 600 further includes:
  • the first receiving unit 604 is configured to receive first indication information sent by the physical layer entity of the terminal device, where the first indication information is used to instruct to reset the HARQ process, and the first receiving unit belongs to all The MAC entity.
  • the terminal device 600 when the attributes of the HARQ process change and are transmitted through RRC signaling, the terminal device 600 further includes:
  • the second receiving unit 605 is configured to receive second indication information sent by the RRC entity of the terminal device, where the second indication information is used to indicate to reset the HARQ process, and the second receiving unit belongs to the MAC entity.
  • the number of the HARQ process is at least one.
  • FIG. 10 Another optional structural schematic diagram of the terminal device 800, as shown in FIG. 10, includes:
  • the fourth processing unit 801 is configured to start or restart the discontinuous reception retransmission timer corresponding to the HARQ process when the attributes of the HARQ process change.
  • the change in the attributes of the HARQ process includes: the feedback function of the HARQ process is switched from on to off; or the feedback function of the HARQ process is switched from off to on.
  • the fourth processing unit 801 is further configured to perform at least one of the following:
  • the fourth processing unit 801 is configured to start or restart the discontinuous reception uplink retransmission timer corresponding to the HARQ process.
  • the fourth processing unit 801 is configured to stop the non-continuous reception of the uplink hybrid automatic repeat request round trip time corresponding to the running HARQ process Delay timer; and/or, stop the non-continuous reception uplink hybrid automatic repeat request round trip delay offset timer corresponding to the running HARQ process.
  • the fourth processing unit 801 is configured to start or restart the discontinuous reception downlink retransmission timer corresponding to the HARQ process.
  • the fourth processing unit 801 is configured to stop the non-continuous reception of the downlink hybrid automatic repeat request round trip time corresponding to the running HARQ process Delay timer; and/or, stop the non-continuous reception downlink hybrid automatic repeat request round trip delay offset timer corresponding to the running HARQ process.
  • the number of the HARQ process is at least one.
  • An embodiment of the present application also provides a terminal device, including a processor and a memory for storing a computer program that can run on the processor, wherein the processor is used to execute the above-mentioned terminal device when the computer program is running. Information processing method steps.
  • An embodiment of the present application also provides a chip, including a processor, configured to call and run a computer program from a memory, so that a device installed with the chip executes the information processing method performed by the terminal device.
  • the embodiment of the present application also provides a storage medium storing an executable program, and when the executable program is executed by a processor, the above-mentioned information processing method executed by the terminal device is implemented.
  • the embodiments of the present application also provide a computer program product, including computer program instructions, which cause a computer to execute the information processing method executed by the above-mentioned terminal device.
  • the embodiments of the present application also provide a computer program that enables a computer to execute the information processing method executed by the above-mentioned terminal device.
  • FIG. 11 is a schematic diagram of the hardware composition structure of a terminal device according to an embodiment of the present application.
  • the terminal device 700 includes: at least one processor 701, a memory 702, and at least one network interface 704.
  • the various components in the terminal device 700 are coupled together through the bus system 705.
  • the bus system 705 is used to implement connection and communication between these components.
  • the bus system 705 also includes a power bus, a control bus, and a status signal bus.
  • various buses are marked as the bus system 705 in FIG. 11.
  • the memory 702 may be a volatile memory or a non-volatile memory, and may also include both volatile and non-volatile memory.
  • the non-volatile memory can be ROM, Programmable Read-Only Memory (PROM), Erasable Programmable Read-Only Memory (EPROM), and electrically erasable Programmable read-only memory (EEPROM, Electrically Erasable Programmable Read-Only Memory), magnetic random access memory (FRAM, ferromagnetic random access memory), flash memory (Flash Memory), magnetic surface memory, optical disk, or CD-ROM (CD) -ROM, Compact Disc Read-Only Memory); Magnetic surface memory can be disk storage or tape storage.
  • the volatile memory may be a random access memory (RAM, Random Access Memory), which is used as an external cache.
  • RAM random access memory
  • SRAM static random access memory
  • SSRAM synchronous static random access memory
  • Synchronous Static Random Access Memory Synchronous Static Random Access Memory
  • DRAM Dynamic Random Access Memory
  • SDRAM Synchronous Dynamic Random Access Memory
  • DDRSDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • ESDRAM Enhanced Synchronous Dynamic Random Access Memory
  • SLDRAM synchronous connection dynamic random access memory
  • DRRAM Direct Rambus Random Access Memory
  • the memory 702 described in the embodiment of the present application is intended to include, but is not limited to, these and any other suitable types of memory.
  • the memory 702 in the embodiment of the present application is used to store various types of data to support the operation of the terminal device 700. Examples of these data include: any computer program used to operate on the terminal device 700, such as an application program 7022.
  • the program for implementing the method of the embodiment of the present application may be included in the application program 7022.
  • the method disclosed in the foregoing embodiment of the present application may be applied to the processor 701 or implemented by the processor 701.
  • the processor 701 may be an integrated circuit chip with signal processing capabilities. In the implementation process, the steps of the foregoing method can be completed by an integrated logic circuit of hardware in the processor 701 or instructions in the form of software.
  • the aforementioned processor 701 may be a general-purpose processor, a digital signal processor (DSP, Digital Signal Processor), or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, and the like.
  • the processor 701 may implement or execute the methods, steps, and logical block diagrams disclosed in the embodiments of the present application.
  • the general-purpose processor may be a microprocessor or any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application may be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a storage medium, and the storage medium is located in the memory 702.
  • the processor 701 reads the information in the memory 702 and completes the steps of the foregoing method in combination with its hardware.
  • the terminal device 700 may be configured by one or more application specific integrated circuits (ASIC, Application Specific Integrated Circuit), DSP, programmable logic device (PLD, Programmable Logic Device), and complex programmable logic device (CPLD). , Complex Programmable Logic Device), FPGA, general-purpose processor, controller, MCU, MPU, or other electronic components to implement the foregoing method.
  • ASIC Application Specific Integrated Circuit
  • DSP digital signal processor
  • PLD programmable logic device
  • CPLD complex programmable logic device
  • FPGA field-programmable logic device
  • controller MCU
  • MPU MPU
  • These computer program instructions can also be stored in a computer-readable memory that can guide a computer or other programmable data processing equipment to work in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture including the instruction device.
  • the device implements the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.
  • These computer program instructions can also be loaded on a computer or other programmable data processing equipment, so that a series of operation steps are executed on the computer or other programmable equipment to produce computer-implemented processing, so as to execute on the computer or other programmable equipment.
  • the instructions provide steps for implementing the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.

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

Abstract

La présente invention concerne un procédé de traitement d'informations, comprenant les étapes suivantes : lorsque l'attribut d'un processus de demande de répétition automatique hybride (HARQ) change, une entité de commande d'accès au support d'un dispositif terminal réinitialise le processus HARQ. La présente invention concerne en outre un autre procédé de traitement d'informations, un équipement terminal et un support de stockage.
PCT/CN2020/090622 2020-05-15 2020-05-15 Procédé de traitement d'informations, dispositif terminal et support de stockage WO2021227050A1 (fr)

Priority Applications (2)

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CN202080100719.6A CN115516795A (zh) 2020-05-15 2020-05-15 一种信息处理方法、终端设备及存储介质
PCT/CN2020/090622 WO2021227050A1 (fr) 2020-05-15 2020-05-15 Procédé de traitement d'informations, dispositif terminal et support de stockage

Applications Claiming Priority (1)

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PCT/CN2020/090622 WO2021227050A1 (fr) 2020-05-15 2020-05-15 Procédé de traitement d'informations, dispositif terminal et support de stockage

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