WO2020143417A1 - 一种终端节点间harq反馈配置的方法及设备 - Google Patents

一种终端节点间harq反馈配置的方法及设备 Download PDF

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Publication number
WO2020143417A1
WO2020143417A1 PCT/CN2019/126353 CN2019126353W WO2020143417A1 WO 2020143417 A1 WO2020143417 A1 WO 2020143417A1 CN 2019126353 W CN2019126353 W CN 2019126353W WO 2020143417 A1 WO2020143417 A1 WO 2020143417A1
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Prior art keywords
harq feedback
sidelink interface
enable
terminal
rule
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PCT/CN2019/126353
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English (en)
French (fr)
Inventor
谌丽
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电信科学技术研究院有限公司
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Priority to EP19909537.3A priority Critical patent/EP3910839A4/en
Priority to JP2021540196A priority patent/JP7391095B2/ja
Priority to KR1020217023353A priority patent/KR102639678B1/ko
Priority to US17/421,385 priority patent/US11588583B2/en
Publication of WO2020143417A1 publication Critical patent/WO2020143417A1/zh
Priority to JP2023167816A priority patent/JP2023182679A/ja

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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
    • H04L1/1825—Adaptation of specific ARQ protocol parameters according to transmission conditions
    • 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
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1854—Scheduling and prioritising arrangements
    • 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
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • 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
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1896—ARQ related signaling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—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
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • 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
    • H04L2001/0092—Error control systems characterised by the topology of the transmission link
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/18—Interfaces between hierarchically similar devices between terminal devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • This application relates to the field of vehicle-to-outside information exchange V2X technology, and in particular to a method and device for configuring HARQ feedback between terminal nodes.
  • the HARQ (Hybrid Automatic Repeat Request) feedback mechanism of the direct link Sidelink interface is introduced, HARQ
  • the feedback mechanism is that the receiver saves the received data in the case of decoding failure and asks the sender to retransmit the data.
  • the receiver combines the retransmitted data with the previously received data before decoding, which reduces the diversity gain. The number of retransmissions, thereby reducing the delay feedback mechanism.
  • FIG. 1A which mainly includes the following two methods:
  • One is the communication between the network side device and the terminal through a cellular communication link device to a network D2N (Device to Network) link, or a cellular communication interface Uu interface;
  • a network D2N Device to Network
  • Uu interface a cellular communication interface
  • D2D device-to-device
  • D2D device-to-device links, or sidelink interfaces, called devices.
  • D2D device-to-device
  • the communication scenarios of direct communication include the following three:
  • a terminal can send the same data to all terminals in a communication group at a time;
  • Direct communication resource allocation methods include the following two:
  • the resource allocation mode scheduled by the network side is reported by the network side device according to the Sidelink buffer reported by the terminal, and the direct link resources are allocated to the terminal on the Uu interface.
  • the resource allocation mode is called 5G It is mode1, which is called mode3 in Long Term Evolution (LTE) and NR V2X mode1 in NR V2X.
  • the terminal side autonomously selects the resource allocation mode.
  • the terminal itself selects resources from the pre-configured resources for the terminal or the transmission resource pool broadcast by the network side device to transmit the direct communication link.
  • the resource allocation mode is called in 5G. For mode2, it is called mode4 in LTE, and it is called NR V2X mode2 in NR V2X.
  • the NR V2X system supports terminal broadcast, multicast and unicast communication on the Sidelink interface. Among them, when using multicast or unicast communication, the receiving terminal can send HARQ feedback to the sending terminal so that the sending terminal can retransmit HARQ. As shown in FIG. 1B, the HARQ feedback mechanism of the Sidelink interface supports the resource allocation mode scheduled by the network side. As shown in FIG. 1C, the HARQ feedback mechanism of the Sidelink interface also supports the terminal-side autonomous selection of resource allocation mode.
  • the different terminals that communicate directly in the NR V2X system are all on-net terminals, or all are off-network terminals, or some terminals are on-network terminals, and some terminals are off-network terminals.
  • the terminal on the network refers to the terminal participating in direct communication is located within the coverage of the 3GPP (the 3rd Generation Partnership) direct communication carrier, the terminal can search for the 3GPP base station, the terminal can be controlled by the 3GPP base station if necessary, and the terminal off the network refers to participating The terminal of direct communication is not within the coverage of 3GPP direct communication carrier.
  • the HARQ feedback mechanism in the NR V2X system has the following disadvantages:
  • the transmission of HARQ feedback signals takes up the resources of the Sidelink interface. Due to the half-duplex nature of the Sidelink interface, the receiving terminal cannot send and receive other signaling or data when sending HARQ feedback signals; on the other hand, it is too frequent The HARQ feedback signal may cause interference to other terminal transmissions.
  • This application provides a method and equipment for HARQ feedback configuration of hybrid automatic repeat request between terminal nodes, which can accurately control whether the HARQ feedback is sent by the Sidelink interface, and save the Sidelink interface while ensuring the transmission delay and reliability of the NR V2X system Resources, reduce terminal power consumption, reduce interference of Sidelink interface.
  • an embodiment of the present application provides a HARQ feedback configuration method for a hybrid automatic repeat request between terminal nodes.
  • the method includes:
  • a method for a terminal to confirm a HARQ feedback configuration of a hybrid automatic repeat request includes:
  • the configured HARQ feedback enable rule of the Sidelink interface it is determined whether HARQ feedback is enabled or disabled at the Sidelink interface.
  • a hybrid automatic repeat request HARQ feedback configuration device provided by an embodiment of the present application includes a processor and a memory.
  • the processor is used to read the program in the memory and perform the following process:
  • a terminal for confirming HARQ feedback configuration of a hybrid automatic repeat request includes: a processor and a memory.
  • the processor is used to read the program in the memory and perform the following process:
  • the configured HARQ feedback enable rule of the Sidelink interface it is determined whether HARQ feedback is enabled or disabled at the Sidelink interface.
  • a computer storage medium provided by an embodiment of the present application has a computer program stored thereon, and when the program is executed by a processor, any solution of the first aspect described above is implemented.
  • a computer storage medium provided by an embodiment of the present application stores a computer program thereon, and when the program is executed by a processor, any solution of the second aspect described above is implemented.
  • the method and device for configuring HARQ feedback between terminal nodes provided by the embodiments of the present application, based on the HARQ feedback mechanism of the Sidelink interface introduced by NR V2X, has the following beneficial effects:
  • FIG. 1A is a diagram of a direct communication mode of an NR V2X system provided by this embodiment
  • FIG. 1B is a diagram of a resource allocation mode for network-side scheduling provided by this embodiment
  • FIG. 1C is a diagram of an allocation mode of terminal-side autonomous resource selection provided by this embodiment.
  • 2A is a system diagram instructed by a base station and the terminal confirms the HARQ feedback configuration
  • 2B is a system diagram of a base station instructing a sender/receiver to confirm a HARQ feedback configuration
  • 2C is a step diagram of a base station instruction and a terminal confirming the HARQ feedback configuration
  • 3 is a diagram of a device for configuring HARQ feedback between terminal nodes
  • 5 is a block diagram of a device for configuring HARQ feedback between terminal nodes
  • FIG. 6 is a diagram of a terminal module for confirming the HARQ feedback configuration
  • FIG. 7 is a step diagram of a HARQ feedback configuration method between terminal nodes
  • FIG. 8 is a step diagram of a HARQ feedback configuration method between terminal nodes.
  • the term “plurality” refers to two or more, and other quantifiers are similar.
  • the embodiment of the present application is based on the HARQ feedback mechanism of the Sidelink interface introduced by NR V2X, and improves the HARQ feedback mechanism in the NR V2X system.
  • it can accurately control whether the HARQ feedback is sent by the Sidelink interface to ensure the transmission of the NR V2X system.
  • it can save Sidelink interface resources; on the other hand, it can reduce terminal power consumption, avoid interference caused by excessively frequent HARQ feedback signals to other terminal transmissions, and reduce Sidelink interface interference.
  • the terminal is a device with wireless communication function, which can be deployed on land, including indoor or outdoor, handheld, or vehicle-mounted; it can also be deployed on the water surface (such as ships, etc.); it can also be deployed in the air (E.g. airplanes, balloons and satellites etc.).
  • the terminal may be a mobile phone, a tablet computer, a computer with wireless transceiver function, a virtual reality (VR) terminal, an augmented reality (AR) terminal, and an industrial control (industrial control) Wireless terminal in self-driving, wireless terminal in self-driving, wireless terminal in remote medical, wireless terminal in smart grid, wireless terminal in transportation safety, Wireless terminals in smart cities (smart cities), wireless terminals in smart homes (smart homes), etc.; can also be various forms of UEs, mobile stations (MS), terminal devices (terminal devices).
  • the UE in FIG. 1A is a specific example of the terminal of the present application.
  • the node may be a base station, which is a device for configuring Sidelink interface resources between terminals, including but not limited to: conventional base stations, relay nodes, relays, and baseband units CU (central unit), DU (distributed unit) of baseband unit, gNB in 5G, radio network controller (RNC), node B (node B, NB), base station controller (base controller), BSC), base transceiver station (BTS), home base station (for example, home evolved node B, or home node B, HNB), baseband unit (BaseBand Unit, BBU), transmission point (transmitting and receiving point, TRP) , Transmitting point (TP), mobile switching center, etc.
  • the base station in this application may also be a third-party terminal for scheduling the transmission of Sidelink interface resources between terminals in the future.
  • the method and device for configuring HARQ feedback between terminal nodes is a HARQ feedback mechanism based on the Sidelink interface, where the HARQ feedback mechanism is that the receiver saves the received data in the case of decoding failure and requests The sender retransmits the data, and the receiver combines the retransmitted data with the previously received data and then decodes it.
  • the diversity gain reduces the number of retransmissions, thereby reducing the feedback mechanism of the delay.
  • the embodiments of the present application indicate the HARQ feedback enable rule configured by the configuration node to the terminal based on the typical communication mode of the NR V2X system, where the communication mode is direct communication between devices, and the resource allocation methods of direct communication include the following two:
  • the resource allocation mode scheduled by the network side is reported by the network side device according to the Sidelink buffer reported by the terminal, and the direct link resources are allocated to the terminal on the Uu interface.
  • the resource allocation mode is in NR V2X Called NR V2X mode1.
  • the terminal side autonomously selects the resource allocation mode.
  • the terminal itself selects resources from the pre-configured resources for the terminal or the transmission resource pool broadcast by the network side device to send the direct communication link.
  • the resource allocation mode is in NR V2X Called NR V2X mode2.
  • the above-mentioned NR V2X system direct communication resource allocation method is applied in the embodiment of the present application, and the above network-side scheduling is the resource allocation mode indicated by the configuration node proposed in the present application.
  • the above-mentioned devices for direct communication may all be on the network, or all off the network, or some devices may be on the network, and some devices may be off the network.
  • the on-net device that participates in direct communication is within the coverage of the 3GPP direct communication carrier.
  • the on-net device can search for 3GPP base stations and can be controlled by the 3GPP base station if necessary.
  • the off-net device that participates in direct communication is not in 3GPP direct communication Carrier coverage.
  • a method for configuring HARQ feedback between terminal nodes is a method in which the terminal device confirms the HARQ feedback configuration after the network side device such as the base station instructs the HARQ feedback configuration, in order to completely describe the method provided in the embodiment from a system perspective Taking a system in which the base station instructs the HARQ feedback configuration and the terminal confirms the HARQ feedback configuration as an example, for specific description, the system includes: a base station 200 and a terminal 201, where:
  • the base station 200 As shown in FIG. 2A, the base station 200,
  • the terminal 201 The terminal 201,
  • a HARQ feedback enabling rule configured to receive the Sidelink interface indicated by the configuration node
  • the above base station may be a conventional base station or a relay node or a CU or unit DU of a base station unit or a third-party terminal used to schedule Sidelink transmission between terminals.
  • the base station configures the HARQ feedback enable rule for the Sidelink interface for the terminal.
  • the terminal determines whether to enable or disable HARQ feedback according to the HARQ feedback enable rule configured by the configuration node in the Sidelink interface transmission.
  • the base station indicates the configured Sidelink interface HARQ feedback activation rule to the terminal by any one of the following, and at the same time, the terminal determines that the configured Sidelink interface HARQ feedback activation is based on the instruction of the base station
  • the rules are as follows:
  • the base station instructs the terminal to configure a HARQ feedback activation rule for the configured Sidelink interface through the broadcast message of the Sidelink interface resource for the terminal;
  • the terminal determines the HARQ feedback activation rule of the indicated configured Sidelink interface by receiving the broadcast message that the base station configures the Sidelink interface resources for the terminal.
  • the configured Sidelink interface HARQ feedback activation rule is a Sidelink interface HARQ feedback activation rule used when the terminal uses the Sidelink interface resource configuration.
  • the above method 1 configures the sending method of the HARQ feedback enable rule to be applied to the resource allocation mode indicated by the base station, that is, NR V2X mode1, and the terminal side autonomously selects the resource allocation mode NR V2X mode2.
  • the base station instructs the terminal to configure the HARQ feedback activation rule of the Sidelink interface by configuring the dedicated radio resource control RRC signaling of the Sidelink interface resource for the terminal;
  • the terminal determines the indicated configured Sidelink interface HARQ feedback enable rule by receiving the dedicated RRC signaling of the Sidelink interface resource configured by the base station.
  • the base station sends a PDCCH command to deactivate the physical downlink control channel to the terminal to indicate that the terminal does not enable the configured HARQ feedback activation rule; correspondingly, the terminal receives the deactivation sent by the base station PDCCH command to determine not to enable the configured HARQ feedback enablement rule;
  • the base station sends a PDCCH activation command to the terminal to instruct the terminal to enable the configured HARQ feedback activation rule; correspondingly, the terminal receives the PDCCH activation command sent by the base station and determines to enable the configured HARQ feedback activation rule.
  • the base station when the base station allocates the dedicated RRC signaling of the Sidelink interface resources to the terminal, it configures the HARQ feedback enable rule of the Sidelink interface. After configuring the HARQ feedback enable rule of the Sidelink interface through the dedicated RRC signaling, the base station does not take effect immediately. Send the Activate PDCCH command to enable the configured HARQ feedback enable rule. The base station can also send the deactivate PDCCH command to disable the configured HARQ feedback enable rule.
  • the default state of HARQ feedback enable can be preset. The default state can be sent by the Sidelink interface. HARQ feedback or no HARQ feedback is sent, the default state is specified by the protocol or the initial default state is determined in RRC configuration signaling.
  • the above method 2 configures the sending method of the HARQ feedback enable rule to apply to the resource allocation mode indicated by the base station, that is, NR V2X mode1.
  • the base station indicates the configured HARQ feedback enable rule of the Sidelink interface to the terminal through the media access control control unit MAC CE configured for the terminal;
  • the terminal determines the indicated configured Sidelink interface HARQ feedback enabling rule through the MAC configured by the base station.
  • the base station configures the MAC for the terminal, and indicates the configured HARQ feedback enable rule of the Sidelink interface to the terminal. Any one of the following methods for configuring the MAC can be selected:
  • the terminal determines the HARQ feedback enable rule of the indicated configured Sidelink interface through the LCID value in the sub-header in the MAC and CE configured by the base station.
  • the base station indicates the HARQ feedback enable rule of the configured Sidelink interface to the terminal through the specified content in the MAC and CE configured for the terminal;
  • the terminal determines the HARQ feedback activation rule of the configured Sidelink interface through the specified content in the MAC and CE configured by the base station.
  • the LCID value in the subheader in the MAC configured for the terminal is used to indicate that HARQ feedback is not enabled by using a fixed value, or to indicate that HARQ feedback is enabled by using different indication values respectively And not enable HARQ feedback.
  • the logical channel identifier LCID value in the MAC sub-header configured for the terminal is used to indicate that HARQ feedback is not enabled; or two LCID values are specified for the MAC configured for the terminal, one of which is used to indicate that the terminal is enabled HARQ feedback, the other is used to instruct the terminal not to enable HARQ feedback.
  • the specified content in the MAC and CE configured for the terminal includes any one or more of the following:
  • the QoS threshold may be a 5QI (5G QoS Identifier, 5G QoS identifier) parameter; or a delay threshold; or a reliability threshold; or a priority threshold.
  • 5G QoS Identifier 5G QoS identifier
  • the above manner 3 configures the sending method of the HARQ feedback enable rule to apply to the resource allocation mode indicated by the base station, that is, NR V2X mode1.
  • the base station instructs the terminal to configure the HARQ feedback enable rule of the Sidelink interface by configuring the PDCCH command of the Sidelink interface resource for the terminal;
  • the terminal determines the HARQ feedback enabling rule of the indicated configured Sidelink interface by receiving the PDCCH command of the Sidelink interface resource configured by the base station.
  • the PDCCH command being a dynamic scheduling resource command or a periodic scheduling resource command
  • the HARQ feedback enable rule of the Sidelink interface there are specifically the following two ways to indicate the HARQ feedback enable rule of the Sidelink interface, as follows:
  • the configured Sidelink interface HARQ feedback enabling rule is the rule for enabling HARQ feedback used by the dynamically scheduled Sidelink interface resource
  • the configured Sidelink interface HARQ feedback enable rule is a rule for enabling HARQ feedback used by the periodically scheduled Sidelink interface resources.
  • the above method 4 configures the sending method of the HARQ feedback enable rule to apply to the resource allocation mode indicated by the base station, that is, NR V2X mode1.
  • the Sidelink interface HARQ feedback enabling rule configured by the base station for the Sidelink interface terminal includes any one or more of the following rules:
  • the specified Sidelink interface resource is a specified frequency resource, or a specified bandwidth segment BWP resource, or a specified carrier resource.
  • it may be a zone indication.
  • the designated bearer may be expressed as RB identity.
  • HARQ feedback is not enabled for the bearer.
  • the base station may designate multiple logical channels corresponding to the same bearer, and some logical channels do not perform HARQ feedback.
  • the set service characteristic refers to priority parameters such as PPPP (ProSe Per-Packet Priority, progressive priority per packet) or priority (priority), delay parameters, and reliability parameters such as PPPR (ProSe Per-Packet Reliability (progressive reliability per packet), a combination of one or more of 5QI or VQI (Vehicle QoS Identifier) indication.
  • priority parameters such as PPPP (ProSe Per-Packet Priority, progressive priority per packet) or priority (priority), delay parameters, and reliability parameters
  • PPPR ProSe Per-Packet Reliability (progressive reliability per packet) indication.
  • the terminal when the terminal measures that the channel quality of the Sidelink interface is higher than the set threshold, it may not send HARQ feedback.
  • the terminal when the terminal detects that the number of HARQ retransmissions is lower than the set threshold within a certain statistical time period, it does not start HARQ feedback.
  • the base station can configure a timer and restart after the timer expires HARQ feedback, at the same time began to monitor the number of HARQ retransmissions.
  • the length of the statistical time period can be configured by the base station or specified by the protocol, and the maximum length of the timer can be specified by the protocol.
  • the base station instructs the terminal to enable or disable HARQ feedback in the dynamic scheduling command, or when the scheduling transmission mechanism of the Sidelink interface is a pre-configured resource, the base station activates the The scheduling command of the configured resource indicates whether the currently activated pre-configured resource enables or does not enable HARQ feedback.
  • the sidelink interface terminal sends a notification to enable or disable HARQ feedback, as shown below:
  • the sending terminal receives the HARQ feedback enabling rule indicated by the base station, and after determining whether to enable or not enable HARQ feedback, the receiving terminal may be notified on the Sidelink interface to send/not send HARQ feedback, which may specifically be through physical layer SCI signaling or RRC of the Sidelink interface Signaling; or, the receiving terminal directly receives the HARQ feedback enabling rule indicated by the base station, and after determining whether to enable or not enable HARQ feedback, may notify the sending terminal to subsequently send/not send HARQ feedback.
  • the terminal is distinguished according to the sending terminal and the receiving terminal.
  • the sending terminal is a terminal sending Sidelink interface data
  • the receiving terminal is a terminal sending Sidelink interface HARQ feedback.
  • the system includes the base station side 202.
  • Case 1 The base station instructs the terminal by configuring the broadcast message of the Sidelink interface resource for the terminal to the terminal, and the rule is an absolute usage rule.
  • Base station side 202
  • Sidelink resource allocation information is sent in a broadcast message that configures a Sidelink interface resource for the terminal, and the resource allocation information may be for an on-line or off-network terminal, and may be a commonly used sidelink interface resource or a specific exception resource.
  • the base station when allocating the Sidelink interface resources, the base station indicates the HARQ feedback enabling rule corresponding to the Sidelink interface resource configured for the terminal, and the HARQ feedback enabling rule may implement the HARQ feedback enabling rule for any one or more of the following :
  • the specified sidelink interface resources may be all or part of the currently configured sidelink interface resources;
  • Receiving terminal 204
  • the processing method is any of the following:
  • Method 1 Receive the sidelink interface resource in the sidelink interface resource broadcast message configured by the base station for the receiving terminal, determine the received configured sidelink interface resource, and at the same time receive the configuration of whether the base station enables HARQ feedback for the sidelink interface resource and determine not to enable HARQ feedback At this time, after receiving sidelink data on the sidelink interface resource without enabling HARQ feedback, HARQ feedback is not sent.
  • Method 2 Receive the transmission resource indication sent by the sending terminal on the sidelink interface, and at the same time indicate whether the transmission on the resource requires HARQ feedback. After receiving sidelink transmissions on resources that do not enable HARQ feedback, HARQ feedback is not sent.
  • Case 2 The base station indicates the terminal the HARQ feedback activation rule of the configured Sidelink interface by configuring the broadcast message of the Sidelink interface resource for the terminal, and the rule is a relative usage rule.
  • Base station side 202
  • Sidelink resource allocation information is sent in a broadcast message that configures a Sidelink interface resource for the terminal, and the resource allocation information may be for an on-line or off-network terminal, and may be a commonly used sidelink interface resource or a specific exception resource.
  • the base station when allocating the Sidelink interface resources, the base station indicates the HARQ feedback enabling rule corresponding to the Sidelink interface resource configured for the terminal, and the HARQ feedback enabling rule may implement the HARQ feedback enabling rule for any one or more of the following :
  • Rule 4 According to the comparison between the channel quality of the Sidelink interface and the set threshold, enable or disable HARQ feedback;
  • the sending terminal has the following two methods when organizing the sidelink interface MAC PDU:
  • the base station configures the HARQ feedback enable rule of the Sidelink interface for the terminal to indicate the specified bearer or the specified logical channel or the service bearer satisfying the set service characteristics
  • the sidelink HARQ feedback is enabled, and the terminal sends the MAC
  • the PDU contains the data of the specified bearer, the specified logical channel or the service bearer that meets the set service characteristics, the HARQ feedback of the sidelink is enabled;
  • the sending terminal sends When the MAC PDU contains the data of the specified bearer, the specified logical channel, or the service bearer that meets the set service characteristics, the HARQ feedback of the sidelink is not enabled.
  • the sending terminal receives and receives the channel quality feedback or HARQ feedback of the Sidelink interface sent by the terminal, according to the comparison of the channel quality of the Sidelink interface with the set threshold configured by the base station, Or, according to the number of data retransmissions of the Sidelink interface in a set period, determine whether the HARQ feedback of sidelink is enabled for subsequent transmission. For example, when the channel quality of the Sidelink interface is higher than the set threshold or the number of HARQ retransmissions is lower than the set threshold, HARQ feedback is not enabled.
  • the sending terminal After the sending terminal determines whether to enable or not enable HARQ feedback, it transmits the resource indication on the sidelink interface and sends data.
  • the sidelink interface resource indication command sent to the receiving terminal it indicates whether the transmission is enabled or not to enable HARQ feedback. If HARQ feedback is not enabled , Then HARQ feedback is not monitored after transmission on the sidelink interface.
  • Receiving terminal 204
  • the receiving terminal determines the sidelink resource
  • Method 1 Receive the sidelink interface resource in the sidelink interface resource broadcast message configured by the base station for the receiving terminal, determine the received sidelink interface resource, and at the same time receive the configuration of whether the base station enables HARQ feedback for the sidelink interface resource, and perform sidelink channel quality Measure the channel quality and the number of HARQ feedbacks at the same time during measurement and HARQ feedback. If the specified channel quality threshold for the sidelink interface and the threshold for the number of HARQ retransmissions are reached, HARQ feedback is not sent. This method does not need to send an indication from the terminal .
  • Method 2 Receive the transmission resource indication sent by the sending terminal on the sidelink interface, and at the same time indicate whether the transmission on the resource requires HARQ feedback. After receiving sidelink transmission resources on resources that do not enable HARQ feedback, HARQ feedback is not sent.
  • Case 3 The base station configures dedicated RRC signaling of the Sidelink interface resources for the terminal, and indicates to the terminal the HARQ feedback enable rule of the configured Sidelink interface, which is an absolute usage rule.
  • Base station side 202
  • Sidelink resource allocation information is sent in dedicated RRC signaling configuring Sidelink interface resources for the terminal, and the resource allocation information may be for terminals on or off the network, and may be conventionally used sidelink interface resources or specific exceptional resources.
  • the base station when allocating the Sidelink interface resources, the base station indicates the HARQ feedback enabling rule corresponding to the Sidelink interface resource configured for the terminal, and the HARQ feedback enabling rule may implement the HARQ feedback enabling rule for any one or more of the following :
  • the specified sidelink interface resources may be all or part of the currently configured sidelink interface resources;
  • the HARQ feedback enable rule configured through dedicated RRC signaling does not take effect immediately.
  • the base station sends a PDCCH activation command to the terminal on the Uu interface to enable the configured HARQ feedback enable rule.
  • the base station can also send a deactivation PDCCH command to the terminal to deactivate
  • the configured HARQ feedback enable rule where the default state may be that the sidelink sends HARQ feedback or does not send HARQ feedback, and the initial state is determined by the protocol or in RRC configuration signaling.
  • the base station may also send the sidelink interface resources of the received data to the receiving terminal through dedicated RRC signaling, and configure the HARQ enabling rule at the same time.
  • the HARQ feedback is not received.
  • Receiving terminal 204
  • the processing method is any of the following:
  • Method 1 Receive the sidelink interface resource in the dedicated RRC signaling configured by the base station for the receiving terminal, determine the received sidelink interface resource, and at the same time receive the configuration of whether the base station enables HARQ feedback for the sidelink interface resource, and determines that the HARQ feedback is not enabled , After receiving sidelink data on the sidelink interface resource without enabling HARQ feedback, HARQ feedback is not sent.
  • Method 2 Receive the transmission resource indication sent by the sending terminal on the sidelink interface, and at the same time indicate whether the transmission on the resource requires HARQ feedback. After receiving sidelink transmission resources on resources that do not enable HARQ feedback, HARQ feedback is not sent.
  • Case 4 The base station configures dedicated RRC signaling of the Sidelink interface resources for the terminal, and indicates to the terminal the HARQ feedback enable rule of the configured Sidelink interface, which is a relative usage rule.
  • Base station side 202
  • Sidelink resource configuration information is sent in dedicated RRC signaling for configuring Sidelink interface resources for the terminal, and the resource configuration information may be for terminals on or off the network, and may be conventionally used sidelink interface resources or specific exceptional resources.
  • the base station when allocating the Sidelink interface resources, the base station indicates the HARQ feedback enabling rule corresponding to the Sidelink interface resource configured for the terminal, and the HARQ feedback enabling rule may implement the HARQ feedback enabling rule for any one or more of the following :
  • Rule 4 According to the comparison between the channel quality of the Sidelink interface and the set threshold, enable or disable HARQ feedback;
  • Rule 5 According to the number of data retransmissions of the Sidelink interface in a set period, enable or disable HARQ feedback.
  • the HARQ feedback enable rule configured through dedicated RRC signaling does not take effect immediately.
  • the base station sends a PDCCH activation command to the terminal on the Uu interface to enable the configured HARQ feedback enable rule.
  • the base station can also send a deactivation PDCCH command to the terminal to deactivate
  • the configured HARQ feedback enable rule where the default state may be that the sidelink sends HARQ feedback or does not send HARQ feedback, and the initial state is determined by the protocol or in RRC configuration signaling.
  • the base station may also send the sidelink interface resources of the received data to the receiving terminal through dedicated RRC signaling, and configure the HARQ enabling rule at the same time.
  • the sending terminal has the following two methods when organizing the sidelink interface MAC PDU:
  • the base station configures the HARQ feedback enable rule of the Sidelink interface for the terminal to indicate the specified bearer or the specified logical channel or the service bearer satisfying the set service characteristics
  • the sidelink HARQ feedback is enabled, and the terminal sends the MAC
  • the PDU contains the data of the specified bearer, the specified logical channel or the service bearer that meets the set service characteristics, the HARQ feedback of the sidelink is enabled;
  • the sending terminal sends When the MAC PDU contains the data of the specified bearer, the specified logical channel, or the service bearer that meets the set service characteristics, the HARQ feedback of the sidelink is not enabled.
  • the sending terminal receives and receives the channel quality feedback or HARQ feedback of the Sidelink interface sent by the terminal, according to the comparison of the channel quality of the Sidelink interface with the set threshold configured by the base station, Or, according to the number of data retransmissions of the Sidelink interface in a set period, determine whether the HARQ feedback of sidelink is enabled for subsequent transmission. For example, when the channel quality of the Sidelink interface is higher than the set threshold or the number of HARQ retransmissions is lower than the set threshold, HARQ feedback is not enabled.
  • the sending terminal After the sending terminal determines whether to enable or not enable HARQ feedback, it transmits the resource indication on the sidelink interface and sends data.
  • the sidelink interface resource indication command sent to the receiving terminal it indicates whether the transmission is enabled or not to enable HARQ feedback. If HARQ feedback is not enabled , Then HARQ feedback is not monitored after transmission on the sidelink interface.
  • Receiving terminal 204
  • the receiving terminal determines the sidelink resource
  • Method 1 Receive the sidelink interface resources in the dedicated RRC signaling configured by the base station for the receiving terminal, determine the received sidelink interface resources, and at the same time, whether the base station configures the HARQ feedback configuration for the sidelink interface resources, and performs sidelink channel quality measurement and At the same time, HARQ feedback counts the channel quality and the number of HARQ feedbacks. If the specified sidelink interface channel quality threshold and HARQ retransmission times threshold are reached, HARQ feedback is not sent. This method does not need to send an indication from the terminal.
  • Method 2 Receive the transmission resource indication sent by the sending terminal on the sidelink interface, and at the same time indicate whether the transmission on the resource requires HARQ feedback. After receiving sidelink transmission resources on resources that do not enable HARQ feedback, HARQ feedback is not sent.
  • Case 5 The media access control unit MAC configured by the base station for the terminal indicates the HARQ feedback enable rule of the configured Sidelink interface to the terminal.
  • Base station side 202
  • the specified content in the MAC and CE configured for the terminal includes any one or more of the following:
  • the QoS threshold may be a 5QI parameter; or a delay threshold; or a reliability threshold; or a priority threshold.
  • the statistical threshold of the number of physical layer HARQ retransmissions with or without HARQ feedback may be implemented for any one or more of the following:
  • the terminal is indicated to all sidelink interface resources available for the terminal whether to enable or not enable HARQ feedback;
  • the MAC carries the RB ID, and a single 1bitRB ID can be used to indicate whether the HARQ feedback is enabled or disabled, or the MAC CE only includes the RB ID that enables HARQ feedback, or the MAC CE only includes the RB ID that does not enable HARQ feedback; Or by using bitmap, each bit corresponds to a data link DRB of a sidelink interface, and 0 or 1 indicates that the corresponding RB is enabled or not enabled for HARQ retransmission;
  • the MAC carries the LCID corresponding to the sidelink logical channel, and can use a single bit to indicate whether HARQ retransmission is enabled or disabled, or the MAC CE contains only the RB ID that enables HARQ feedback, or the MAC CE contains only the HARQ feedback that is not enabled. RB ID.
  • the MAC carries the QoS threshold parameter, and the QoS threshold is specifically any of 5QI parameters, delay threshold, reliability threshold, and priority threshold.
  • Rule 5 According to the comparison between the channel quality of the Sidelink interface and the set threshold, enable or disable HARQ feedback;
  • the MAC carries the channel quality threshold, which may be specifically expressed as the dB value of the quantized reference signal received power RSRP.
  • the MAC carries the threshold of HARQ retransmission times.
  • the HARQ feedback activation rule of the sidelink interface determine whether to enable the HARQ feedback of the sidelink
  • resource indication command sent to the receiving terminal indicate whether the transmission is enabled or not to enable HARQ feedback. If the HARQ feedback is not enabled, the HARQ feedback is not monitored after the sidelink interface is transmitted. .
  • Receiving terminal 204
  • the receiving terminal determines the sidelink resource
  • Method 1 When receiving the sidelink interface resources configured on the base station side, the receiving terminal additionally receives HARQ feedback enabling rules through the MAC, and determines whether to enable HARQ feedback according to the received HARQ feedback enabling rules of the sidelink interface.
  • Method 2 Receive the transmission resource indication sent by the sending terminal on the sidelink interface, and the transmission resource indication also indicates whether HARQ feedback is required for the transmission on the resource. After receiving the sidelink transmission on the resource that does not enable HARQ feedback, the HARQ feedback is not sent. .
  • Case 6 The base station indicates the HARQ feedback enable rule of the configured Sidelink interface to the terminal by configuring the PDCCH command of the Sidelink interface resource for the terminal.
  • Base station side 202
  • the base station In the PDCCH command that allocates sidelink interface resources to the terminal, the base station indicates whether the allocated resource enables HARQ feedback. If the PDCCH command indicates a dynamic scheduling command, the dynamic scheduling resource uses the indicated HARQ feedback enabling rule; if the PDCCH The command indicates a periodically configured transmission configured, then the periodic transmission resource enables the HARQ feedback enabling rule indicated by the PDCCH.
  • resource indication command sent to the receiving terminal indicate whether the transmission is enabled or not to enable HARQ feedback. If the HARQ feedback is not enabled, the HARQ feedback is not monitored after the sidelink interface is transmitted.
  • Receiving terminal 204
  • Method 1 Monitor the PDCCH command sent by the base station to allocate resources to the sidelink, perform data reception on the sidelink receiving resource indicated by the PDCCH command, and determine whether to enable or not enable HARQ feedback according to whether the allocated resource indicated in the PDCCH command is enabled or not .
  • Method 2 Receive the transmission resource indication sent by the sending terminal on the sidelink interface, and the transmission resource indication also indicates whether HARQ feedback is required for the transmission on the resource. If HARQ feedback is not enabled, HARQ feedback is not sent after the transmission is received on the sidelink interface .
  • Step 205 The base station configures the HARQ feedback enable rule of the direct link Sidelink interface for the transmitting terminal, and indicates the configured HARQ feedback enable rule of the Sidelink interface to the transmitting terminal;
  • the base station configures the HARQ feedback enable rule of the direct link Sidelink interface for the receiving terminal, and indicates the configured HARQ feedback enable rule of the Sidelink interface to the receiving terminal.
  • Step 206 The sending terminal receives the configuration of the HARQ feedback enable rule of the Sidelink interface indicated by the base station, and determines whether to enable or disable HARQ feedback on the Sidelink interface according to the configured HARQ feedback enable rule of the Sidelink interface;
  • the receiving terminal receives the configuration of the HARQ feedback enabling rule of the Sidelink interface indicated by the base station, and determines whether to enable or disable HARQ feedback on the Sidelink interface according to the configured HARQ feedback enabling rule of the Sidelink interface.
  • Step 207 The sending terminal determines whether HARQ feedback is enabled or disabled on the sidelink interface, and notifies the receiving terminal on the sidelink interface.
  • a HARQ feedback configuration device between terminal nodes includes: a processor 300, a memory 301, and a transceiver 302.
  • the processor 300 is responsible for managing the bus architecture and general processing, and the memory 301 may store data used by the processor 300 when performing operations.
  • the transceiver 302 is used to receive and transmit data under the control of the processor 300.
  • the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by the processor 300 and various circuits of the memory represented by the memory 301 are linked together.
  • the bus architecture can also link various other circuits such as peripheral devices, voltage regulators, and power management circuits, etc., which are well known in the art, and therefore, they will not be further described in this article.
  • the bus interface provides an interface.
  • the processor 300 is responsible for managing the bus architecture and general processing, and the memory 301 may store data used by the processor 300 when performing operations.
  • the process disclosed in the embodiments of the present application may be applied to the processor 300 or implemented by the processor 300.
  • each step of the signal processing flow may be completed by an integrated logic circuit of hardware in the processor 300 or instructions in the form of software.
  • the processor 300 may be a general-purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or transistor logic device, and a discrete hardware component, which can implement or execute the embodiments of the present application
  • the disclosed methods, steps and logic block diagrams may be a microprocessor or any conventional processor.
  • the steps of the method disclosed in conjunction with the embodiments of the present application may be directly embodied and executed by a hardware processor, or may be executed and completed by a combination of hardware and software modules in the processor.
  • the software module may be located in a mature storage medium in the art, such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory, an electrically erasable programmable memory, and a register.
  • the storage medium is located in the memory 301, and the processor 300 reads the information in the memory 301 and completes the steps of the signal processing flow in combination with its hardware.
  • the processor 300 is used to read the program in the memory 301 and perform the following process:
  • processor 300 is specifically used to:
  • the processor is specifically used to:
  • the HARQ feedback enable rule of the configured Sidelink interface is indicated to the terminal.
  • the processor is specifically used to:
  • the configured Sidelink interface HARQ feedback enable rule is indicated to the terminal.
  • the processor is further specifically used to:
  • the processor is specifically used to:
  • the processor is specifically used to:
  • the specified content in the MAC and CE configured for the terminal includes:
  • the radio bearer identification of the Sidelink interface with or without HARQ feedback or
  • the logical channel identifier LCID of the service data of the Sidelink interface with or without HARQ feedback or
  • Use bitmap bitmap to indicate whether the corresponding RB enables or does not enable HARQ feedback
  • the statistics threshold of the number of physical layer HARQ retransmissions with or without HARQ feedback enabled is enabled.
  • the processor is specifically used to:
  • the configured HARQ feedback enable rule of the Sidelink interface is indicated to the terminal.
  • the configured Sidelink interface HARQ feedback enable rule is the Sidelink interface HARQ feedback enable rule used by the dynamically scheduled Sidelink interface resource
  • the configured Sidelink interface HARQ feedback enabling rule is the Sidelink interface HARQ feedback enabling rule used by the periodically scheduled Sidelink interface resources.
  • the sidelink interface HARQ feedback enabling rule configured for the sidelink interface terminal includes any one or more of the following rules:
  • the specified Sidelink interface resource is a specified frequency resource, or a specified partial bandwidth BWP resource, or a specified carrier resource.
  • the device is applied to a central unit CU or a unit distributed unit DU of a base station or a relay node or a base station unit, or a third-party terminal used to schedule Sidelink transmission between terminals.
  • the terminal is configured with Sidelink Rules for enabling HARQ feedback on the interface.
  • a terminal for confirming a HARQ feedback configuration includes: a processor 400, a memory 401, and a transceiver 402.
  • the processor 400 is responsible for managing the bus architecture and general processing, and the memory 401 may store data used by the processor 400 when performing operations.
  • the transceiver 402 is used to receive and transmit data under the control of the processor 400.
  • the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by the processor 400 and various circuits of the memory represented by the memory 401 are linked together.
  • the bus architecture can also link various other circuits such as peripheral devices, voltage regulators, and power management circuits, etc., which are well known in the art, and therefore, they will not be further described in this article.
  • the bus interface provides an interface.
  • the processor 400 is responsible for managing the bus architecture and general processing, and the memory 401 may store data used by the processor 400 when performing operations.
  • the process disclosed in the embodiments of the present application may be applied to the processor 400 or implemented by the processor 400.
  • each step of the signal processing flow may be completed by an integrated logic circuit of hardware in the processor 400 or instructions in the form of software.
  • the processor 400 may be a general-purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or transistor logic device, or a discrete hardware component, and may implement or execute the embodiments of the present application The disclosed methods, steps and logic block diagrams.
  • the general-purpose processor may be a microprocessor or any conventional processor.
  • the steps of the method disclosed in conjunction with the embodiments of the present application may be directly embodied and executed by a hardware processor, or may be executed and completed by a combination of hardware and software modules in the processor.
  • the software module may be located in a mature storage medium in the art, such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory, an electrically erasable programmable memory, and a register.
  • the storage medium is located in the memory 401.
  • the processor 400 reads the information in the memory 401 and completes the steps of the signal processing flow in combination with its hardware.
  • the processor 400 is used to read the program in the memory 401 and perform the following process:
  • processor 400 is specifically used to:
  • the configured HARQ feedback enable rule of the Sidelink interface it is determined whether HARQ feedback is enabled or disabled at the Sidelink interface.
  • the processor is specifically used to:
  • the HARQ feedback enabling rule of the indicated configured Sidelink interface is determined.
  • the configured Sidelink interface HARQ feedback activation rule is a Sidelink interface HARQ feedback activation rule used when the terminal uses the Sidelink interface resource configuration.
  • the processor is specifically used to:
  • the HARQ feedback enabling rule of the indicated configured Sidelink interface is determined.
  • the processor is further specifically used to:
  • the processor is specifically used to:
  • the HARQ feedback enabling rule of the indicated configured Sidelink interface is determined.
  • the processor is specifically used to:
  • the HARQ feedback enabling rule of the indicated configured Sidelink interface is determined.
  • the designated indicator bit in the subheader in the MAC configured by the received configuration node is used to indicate that a fixed value is not used to enable HARQ feedback, or used to indicate separately using different indicator values Enable HARQ feedback and disable HARQ feedback.
  • the specified content in the MAC and CE configured by the configuration node includes:
  • the radio bearer identification of the Sidelink interface with or without HARQ feedback or
  • the statistics threshold of the number of physical layer HARQ retransmissions with or without HARQ feedback enabled is enabled.
  • receiving the HARQ feedback enabling rule of the configuration Sidelink interface indicated by the configuration node includes:
  • the indicated configured Sidelink interface HARQ feedback enable rule is determined.
  • the configured Sidelink interface HARQ feedback enable rule is the Sidelink interface HARQ feedback enable rule used by the dynamically scheduled Sidelink interface resource
  • the configured Sidelink interface HARQ feedback enabling rule is the Sidelink interface HARQ feedback enabling rule used by the periodically scheduled Sidelink interface resources.
  • the configured HARQ feedback enable rule of the Sidelink interface includes any one or more of the following rules:
  • the specified Sidelink interface resource is a specified frequency resource, or a specified partial bandwidth BWP resource, or a specified carrier resource.
  • the configuration node is a base station or a relay node or a CU or unit DU of a base station unit or a third-party terminal used to schedule Sidelink transmission between terminals.
  • the processor is configured to:
  • a HARQ feedback configuration device between terminal nodes includes:
  • the configuration module 500 is configured to configure a rule for enabling HARQ feedback of a direct link sidelink interface for a terminal
  • the indicating module 501 is used to indicate the configured Sidelink interface HARQ feedback enabling rule to the terminal, so that the terminal determines whether to enable or not enable HARQ feedback on the Sidelink interface according to the configured Sidelink interface HARQ feedback enabling rule .
  • the indication module 501 is used to:
  • the HARQ feedback enable rule of the configured Sidelink interface is indicated to the terminal.
  • the indication module 501 is used to:
  • the configured Sidelink interface HARQ feedback enable rule is indicated to the terminal.
  • it also includes:
  • the indication module 501 is used to:
  • the indication module 501 is specifically used to:
  • the specified content in the MAC and CE configured for the terminal includes:
  • the radio bearer identification of the Sidelink interface with or without HARQ feedback or
  • the logical channel identifier LCID of the service data of the Sidelink interface with or without HARQ feedback or
  • Use bitmap bitmap to indicate whether the corresponding RB enables or does not enable HARQ feedback
  • the statistics threshold of the number of physical layer HARQ retransmissions with or without HARQ feedback enabled is enabled.
  • the indication module 501 is used to:
  • the configured HARQ feedback enable rule of the Sidelink interface is indicated to the terminal.
  • the indication module 501 is specifically used to:
  • the configured Sidelink interface HARQ feedback enable rule is the Sidelink interface HARQ feedback enable rule used by the dynamically scheduled Sidelink interface resource;
  • the configured Sidelink interface HARQ feedback enabling rule is the Sidelink interface HARQ feedback enabling rule used by the periodically scheduled Sidelink interface resources.
  • the sidelink interface HARQ feedback enabling rule configured for the sidelink interface terminal includes any one or more of the following rules:
  • the specified Sidelink interface resource is a specified frequency resource, or a specified partial bandwidth BWP resource, or a specified carrier resource.
  • the method is applied to a central unit CU or a unit distributed unit DU of a base station or a relay node or a base station unit, or a third-party terminal used to schedule Sidelink transmission between terminals.
  • a terminal for confirming HARQ feedback configuration includes:
  • the receiving module 600 is configured to receive the HARQ feedback enabling rule of the configuration Sidelink interface indicated by the configuration node;
  • the determining module 601 is configured to determine whether to enable or not enable HARQ feedback on the Sidelink interface according to the configured HARQ feedback enabling rule of the Sidelink interface.
  • the receiving module 600 is used to:
  • the HARQ feedback enabling rule of the indicated configured Sidelink interface is determined.
  • the configured Sidelink interface HARQ feedback activation rule is a Sidelink interface HARQ feedback activation rule used when the terminal uses the Sidelink interface resource configuration.
  • the receiving module 600 is used to:
  • the HARQ feedback enabling rule of the indicated configured Sidelink interface is determined.
  • the receiving module 600 is specifically used to:
  • the receiving module 600 is used to:
  • the HARQ feedback enabling rule of the indicated configured Sidelink interface is determined.
  • the receiving module 600 is specifically configured to:
  • the HARQ feedback enabling rule of the indicated configured Sidelink interface is determined.
  • the designated indicator bit in the subheader in the MAC configured by the received configuration node is used to indicate that a fixed value is not used to enable HARQ feedback, or used to indicate separately using different indicator values Enable HARQ feedback and disable HARQ feedback.
  • the specified content in the MAC and CE configured by the configuration node includes:
  • the radio bearer identification of the Sidelink interface with or without HARQ feedback or
  • the statistics threshold of the number of physical layer HARQ retransmissions with or without HARQ feedback enabled is enabled.
  • the receiving module 600 is used to:
  • the indicated configured Sidelink interface HARQ feedback enable rule is determined.
  • the configured Sidelink interface HARQ feedback enable rule is the Sidelink interface HARQ feedback enable rule used by the dynamically scheduled Sidelink interface resource
  • the configured Sidelink interface HARQ feedback enabling rule is the Sidelink interface HARQ feedback enabling rule used by the periodically scheduled Sidelink interface resources.
  • the configured HARQ feedback enable rule of the Sidelink interface includes any one or more of the following rules:
  • the specified Sidelink interface resource is a specified frequency resource, or a specified partial bandwidth BWP resource, or a specified carrier resource.
  • the configuration node is a base station or a relay node or a CU or unit DU of a base station unit or a third-party terminal used to schedule Sidelink transmission between terminals.
  • the terminal is further used to:
  • An embodiment of the present application provides a readable storage medium.
  • the readable storage medium is a non-volatile storage medium.
  • the readable storage medium is a non-volatile readable storage medium, including program code.
  • the program code When running on a computing device, the program code is used to enable the computing device to perform the steps described in the foregoing method for configuring HARQ feedback between terminal nodes.
  • An embodiment of the present application provides a readable storage medium.
  • the readable storage medium is a non-volatile storage medium.
  • the readable storage medium is a non-volatile readable storage medium, including program code.
  • the program code When running on the computing device, the program code is used to enable the computing device to perform the steps described in the above method for the terminal to confirm the HARQ feedback configuration.
  • Embodiments of the present application provide a computer program product containing instructions that, when running on a computer, cause the computing device to perform the steps described in the foregoing method for configuring HARQ feedback between terminal nodes.
  • An embodiment of the present application provides a computer program product containing instructions that, when it runs on a computer, cause the computing device to perform the steps described in the method for confirming the HARQ feedback configuration of the terminal described above.
  • an embodiment of the present application also provides a method of HARQ feedback configuration between terminal nodes, because the device corresponding to the method is a system in which the base station instructs the HARQ feedback configuration and the terminal confirms the HARQ feedback configuration in the embodiment of the present application
  • the network-side device in is the base station, and the principle of the method to solve the problem is similar to that of the device, so the implementation of this method can be referred to the implementation of the system, and the repetition is not repeated here.
  • a method for configuring HARQ feedback between terminal nodes includes:
  • Step 701 Configure a rule for enabling HARQ feedback of the direct link sidelink interface for the terminal
  • Step 702 Indicate the configured Sidelink interface HARQ feedback activation rule to the terminal, so that the terminal determines whether to enable or not enable HARQ feedback on the Sidelink interface according to the configured Sidelink interface HARQ feedback activation rule.
  • indicating the configured Sidelink interface HARQ feedback enable rule to the terminal includes:
  • the HARQ feedback enable rule of the configured Sidelink interface is indicated to the terminal.
  • indicating the configured Sidelink interface HARQ feedback enable rule to the terminal includes:
  • the configured Sidelink interface HARQ feedback enable rule is indicated to the terminal.
  • it also includes:
  • indicating the configured Sidelink interface HARQ feedback enable rule to the terminal includes:
  • indicating the configured HARQ feedback enable rule of the Sidelink interface to the terminal through the MAC configured for the terminal includes:
  • the specified content in the MAC and CE configured for the terminal includes:
  • the radio bearer identification of the Sidelink interface with or without HARQ feedback or
  • the logical channel identifier LCID of the service data of the Sidelink interface with or without HARQ feedback or
  • Use bitmap bitmap to indicate whether the corresponding RB enables or does not enable HARQ feedback
  • the statistics threshold of the number of physical layer HARQ retransmissions with or without HARQ feedback enabled is enabled.
  • indicating the configured Sidelink interface HARQ feedback enable rule to the terminal includes:
  • the configured HARQ feedback enable rule of the Sidelink interface is indicated to the terminal.
  • the configured Sidelink interface HARQ feedback enable rule is the Sidelink interface HARQ feedback enable rule used by the dynamically scheduled Sidelink interface resource
  • the configured Sidelink interface HARQ feedback enabling rule is the Sidelink interface HARQ feedback enabling rule used by the periodically scheduled Sidelink interface resources.
  • the sidelink interface HARQ feedback enabling rule configured for the sidelink interface terminal includes any one or more of the following rules:
  • the specified Sidelink interface resource is a specified frequency resource, or a specified partial bandwidth BWP resource, or a specified carrier resource.
  • the method is applied to a central unit CU or a unit distributed unit DU of a base station or a relay node or a base station unit or a third-party terminal used to schedule Sidelink transmission between terminals.
  • an embodiment of the present application also provides a method for the terminal to confirm the HARQ feedback configuration, because the device corresponding to the method is a system in which the base station instructs the HARQ feedback configuration and the terminal confirms the HARQ feedback configuration in the embodiment of the present application Terminal, and the principle of the method to solve the problem is similar to that of the terminal, so the implementation of this method can refer to the implementation of the system, and the repetition is not repeated here.
  • a method for a terminal to confirm HARQ feedback configuration includes:
  • Step 801 Receive the HARQ feedback enabling rule for configuring the Sidelink interface indicated by the configuration node;
  • Step 802 Determine whether to enable or not enable HARQ feedback on the Sidelink interface according to the configured HARQ feedback enable rule of the Sidelink interface.
  • receiving the HARQ feedback enabling rule of the configuration Sidelink interface indicated by the configuration node includes:
  • the HARQ feedback enabling rule of the indicated configured Sidelink interface is determined.
  • the configured Sidelink interface HARQ feedback activation rule is a Sidelink interface HARQ feedback activation rule used when the terminal uses the Sidelink interface resource configuration.
  • receiving the HARQ feedback enabling rule of the configuration Sidelink interface indicated by the configuration node includes:
  • the HARQ feedback enabling rule of the indicated configured Sidelink interface is determined.
  • it also includes:
  • receiving the HARQ feedback enabling rule of the configuration Sidelink interface indicated by the configuration node includes:
  • the HARQ feedback enabling rule of the indicated configured Sidelink interface is determined.
  • the MAC configured by the configuration node by receiving the MAC configured by the configuration node and determining the HARQ feedback enable rule of the indicated configured Sidelink interface, it includes:
  • the HARQ feedback enabling rule of the indicated configured Sidelink interface is determined.
  • the designated indicator bit in the subheader in the MAC configured by the received configuration node is used to indicate that a fixed value is not used to enable HARQ feedback, or used to indicate separately using different indicator values Enable HARQ feedback and disable HARQ feedback.
  • the specified content in the MAC and CE configured by the configuration node includes:
  • the radio bearer identification of the Sidelink interface with or without HARQ feedback or
  • the statistics threshold of the number of physical layer HARQ retransmissions with or without HARQ feedback enabled is enabled.
  • receiving the HARQ feedback enabling rule of the configuration Sidelink interface indicated by the configuration node includes:
  • the indicated configured Sidelink interface HARQ feedback enable rule is determined.
  • the configured Sidelink interface HARQ feedback enable rule is the Sidelink interface HARQ feedback enable rule used by the dynamically scheduled Sidelink interface resource
  • the configured Sidelink interface HARQ feedback enabling rule is the Sidelink interface HARQ feedback enabling rule used by the periodically scheduled Sidelink interface resources.
  • the configured HARQ feedback enable rule of the Sidelink interface includes any one or more of the following rules:
  • the specified Sidelink interface resource is a specified frequency resource, or a specified partial bandwidth BWP resource, or a specified carrier resource.
  • the configuration node is a base station or a relay node or a CU or unit DU of a base station unit or a third-party terminal used to schedule Sidelink transmission between terminals.
  • determining whether the terminal enables or disables HARQ feedback on the Sidelink interface includes:
  • the application can also be implemented in hardware and/or software (including firmware, resident software, microcode, etc.).
  • the present application may take the form of a computer program product on a computer-usable or computer-readable storage medium, which has computer-usable or computer-readable program code implemented in a medium to be used by an instruction execution system or Used in conjunction with an instruction execution system.
  • a computer-usable or computer-readable medium may be any medium that can contain, store, communicate, transmit, or transmit a program for use by an instruction execution system, apparatus, or device, or in conjunction with an instruction execution system, Use of device or equipment.

Abstract

本申请实施例涉及一种终端节点间HARQ反馈配置的方法及设备，用以对Sidelink接口是否发送HARQ反馈进行准确控制，在保证NR V2X系统传输时延和可靠性的同时，节约Sidelink接口资源，降低终端功耗，降低Sidelink接口的干扰。本申请实施例所述的方法包括：基站为终端配置直通链路Sidelink接口的HARQ反馈启用规则；将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端，以使所述终端根据所述配置的Sidelink接口HARQ反馈启用规则，确定在Sidelink接口启用或不启用HARQ反馈。

Description

一种终端节点间HARQ反馈配置的方法及设备
相关申请的交叉引用
本申请要求在2019年01月09日提交中国专利局、申请号为201910018665.8、申请名称为“一种终端节点间HARQ反馈配置的方法及设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及车对外界的信息交换V2X技术领域，特别涉及一种终端节点间HARQ反馈配置的方法及设备。
背景技术
在网络传输标准NR V2X(New Radio Vehicle to Everything，新空口车对外界的信息交换)系统中，引入了直通链路Sidelink接口的HARQ(Hybrid Automatic Repeat Request，混合自动重传请求)反馈机制，HARQ反馈机制是接收方在解码失败的情况下，保存接收到的数据，并要求发送方重传数据，接收方将重传的数据和先前接收到的数据进行合并后再解码，通过分集增益减少了重传次数，进而减少了时延的反馈机制。
在NR V2X系统中相互靠近的终端和终端之间允许直接进行终端之间的直接通信。通信方式如图1A所示，主要包括以下两种方式：
一种是网络侧设备与终端之间通过蜂窝通信链路设备到网络D2N(Device to Network)链路，或者称为蜂窝通信接口Uu接口进行通信；
另一种是终端与终端之间通过设备与设备之间的直通链路设备间D2D(Device-To-Device)链路，或者称为直通链路Sidelink接口进行通信。直接通信的通信场景包括以下三种：
1、单播方式通信，直接通信终端之间一对一通信；
2、多播方式通信，一个终端一次可以给一个通信群组里的所有终端发送 相同数据；
3、广播方式通信，一个设备一次可以给所有附近的设备发送相同数据。
直接通信的资源分配方式包括以下两种：
1、网络侧调度的资源分配模式，由网络侧设备根据终端上报的Sidelink缓冲区上报BSR(Buffer state reporting)，在Uu接口上为终端分配直通链路资源，其中该资源分配模式在5G中称为mode1，在长期演进LTE(Long Term Evolution)中称为mode3，在NR V2X中称为NR V2X mode1。
2、终端侧自主选择资源的分配模式，由终端自行从为终端预配置资源或者网络侧设备广播的发送资源池中选择资源，进行直接通信链路的发送，其中该资源分配模式在5G中称为mode2，在LTE中称为mode4，在NR V2X中称为NR V2X mode2。
NR V2X系统支持终端在Sidelink接口的广播、多播和单播方式通信，其中，采用多播或者单播通信方式时，接收终端可以对发送终端发送HARQ反馈，以便发送终端进行HARQ重传。如图1B所示，Sidelink接口的HARQ反馈机制支持网络侧调度的资源分配模式，如图1C所示，Sidelink接口的HARQ反馈机制也支持终端侧自主选择资源的分配模式。
NR V2X系统中直接通信的不同终端可是均是在网终端，或者均是脱网终端，或者部分终端是在网终端，部分终端是脱网终端。其中，在网终端是指参与直接通信的终端位于3GPP(the 3rd Generation Partner Project)直接通信载波覆盖范围内，终端能够搜索到3GPP基站，必要时终端可以受3GPP基站控制，脱网终端是指参与直接通信的终端不在3GPP直接通信载波覆盖范围内。
综上，NR V2X系统中HARQ反馈机制有以下缺点：
一方面，传输HARQ反馈信号要占用Sidelink接口的资源，由于Sidelink接口半双工的性质，接收终端在发送HARQ反馈信号的时候不能进行其他信令或数据的发送和接收；另一方面，过于频繁的HARQ反馈信号可能造成对其他终端传输的干扰。
现有技术中，虽然在NR V2X系统中引入了Sidelink接口的反馈资源，但 是还没有针对上述缺点对NR V2X系统中HARQ反馈机制进行改进。
发明内容
本申请提供一种终端节点间混合自动重传请求HARQ反馈配置的方法及设备，能够对Sidelink接口是否发送HARQ反馈进行准确控制，在保证NR V2X系统传输时延和可靠性的同时，节约Sidelink接口资源，降低终端功耗，降低Sidelink接口的干扰。
第一方面，本申请实施例提供一种终端节点间混合自动重传请求HARQ反馈配置的方法，该方法包括：
为终端配置直通链路Sidelink接口的HARQ反馈启用的规则；
将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端，以使所述终端根据所述配置的Sidelink接口HARQ反馈启用规则，确定在Sidelink接口启用或不启用HARQ反馈。
第二方面，本申请实施例提供的一种终端确认混合自动重传请求HARQ反馈配置的方法，该方法包括：
接收配置节点指示的配置Sidelink接口HARQ反馈启用规则；
根据所述配置的Sidelink接口HARQ反馈启用规则，确定在Sidelink接口启用或不启用HARQ反馈。
第三方面，本申请实施例提供的一种终端节点间混合自动重传请求HARQ反馈配置设备，该设备包括：处理器和存储器。
其中，处理器，用于读取存储器中的程序并执行下列过程：
为终端配置直通链路Sidelink接口的HARQ反馈启用的规则；
将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端，以使所述终端根据所述配置的Sidelink接口HARQ反馈启用规则，确定在Sidelink接口启用或不启用HARQ反馈。
第四方面，本申请实施例提供的一种确认混合自动重传请求HARQ反馈配置的终端，该终端包括：处理器和存储器。
其中，处理器，用于读取存储器中的程序并执行下列过程：
接收配置节点指示的配置Sidelink接口HARQ反馈启用规则；
根据所述配置的Sidelink接口HARQ反馈启用规则，确定在Sidelink接口启用或不启用HARQ反馈。
第五方面，本申请实施例提供的一种计算机存储介质，其上存储有计算机程序，该程序被处理器执行时实现上述第一方面任一的方案。
第六方面，本申请实施例提供的一种计算机存储介质，其上存储有计算机程序，该程序被处理器执行时实现上述第二方面任一的方案。
本申请实施例提供的一种终端节点间HARQ反馈配置的方法及设备，基于NR V2X引入的Sidelink接口的HARQ反馈机制，有以下有益效果：
一方面，能够对Sidelink接口是否发送HARQ反馈进行准确控制，在保证NR V2X系统传输时延和可靠性的同时，节约Sidelink接口资源；
另一方面，能够降低终端功耗，避免过于频繁的HARQ反馈信号对其他终端传输造成的干扰，能够降低Sidelink接口的干扰。
附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简要介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域的普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1A为本实施例提供的NR V2X系统的直接通信方式图；
图1B为本实施例提供的网络侧调度的资源分配模式图；
图1C为本实施例提供的终端侧自主选择资源的分配模式图；
图2A为一种基站指示且终端确认HARQ反馈配置的系统图；
图2B为一种基站指示发送端/接收端确认HARQ反馈配置的系统图；
图2C为一种基站指示且终端确认HARQ反馈配置的步骤图；
图3为一种终端节点间HARQ反馈配置设备图；
图4为一种确认HARQ反馈配置的终端；
图5为一种终端节点间HARQ反馈配置设备模块图；
图6为一种确认HARQ反馈配置的终端模块图；
图7为一种终端节点间HARQ反馈配置方法步骤图；
图8为一种终端节点间HARQ反馈配置方法步骤图。
具体实施方式
以下，对本申请实施例中的部分用语进行解释说明，以便于本领域技术人员理解。
(1)本申请实施例中术语“多个”是指两个或两个以上，其它量词与之类似。
(2)“和/或”，描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。字符“/”一般表示前后关联对象是一种“或”的关系。
本申请实施例基于NR V2X引入的Sidelink接口的HARQ反馈机制，针对NR V2X系统中HARQ反馈机制进行了改进，一方面，能够对Sidelink接口是否发送HARQ反馈进行准确控制，在保证NR V2X系统传输时延和可靠性的同时，节约Sidelink接口资源；另一方面，能够降低终端功耗，避免过于频繁的HARQ反馈信号对其他终端传输造成的干扰，能够降低Sidelink接口的干扰。
本申请实施例中，终端，是一种具有无线通信功能的设备，可以部署在陆地上，包括室内或室外、手持或车载；也可以部署在水面上(如轮船等)；还可以部署在空中(例如飞机、气球和卫星上等)。所述终端可以是手机(mobile phone)、平板电脑(pad)、带无线收发功能的电脑、虚拟现实(virtual reality，VR)终端、增强现实(augmented reality，AR)终端、工业控制(industrial control)中的无线终端、无人驾驶(self driving)中的无线终端、远程医疗(remote medical)中的无线终端、智能电网(smart grid)中的无线终端、运输安全(transportation  safety)中的无线终端、智慧城市(smart city)中的无线终端、智慧家庭(smart home)中的无线终端等；还可以是各种形式的UE，移动台(mobile station，MS)，终端设备(terminal device)。图1A中的UE为本申请的终端的一种具体示例。
本申请实施例中“配置节点”或“节点”都是节点，该节点可以是基站，是一种配置终端间Sidelink接口资源的设备，包括但不限于：常规基站、中继节点relay、基带单元的CU(central unit)、基带单元的DU(distributed unit)、5G中的gNB、无线网络控制器(radio network controller，RNC)、节点B(node B，NB)、基站控制器(base station controller，BSC)、基站收发台(base transceiver station，BTS)、家庭基站(例如，home evolved nodeB，或home node B，HNB)、基带单元(BaseBand Unit，BBU)、传输点(transmitting and receiving point，TRP)、发射点(transmitting point，TP)、移动交换中心等。本申请中的基站还可以是未来用于调度终端间Sidelink接口资源传输的第三方终端。
为了使本申请的目的、技术方案和优点更加清楚，下面将结合附图对本申请作进一步地详细描述，显然，所描述的实施例仅仅是本申请一部份实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例，都属于本申请保护的范围。
实施例一
本申请实施例提供的一种终端节点间HARQ反馈配置的方法及设备是基于Sidelink接口的HARQ反馈机制，其中，HARQ反馈机制是接收方在解码失败的情况下，保存接收到的数据，并要求发送方重传数据，接收方将重传的数据和先前接收到的数据进行合并后再解码，通过分集增益减少了重传次数，进而减少了时延的反馈机制。
本申请实施例基于NR V2X系统典型的通信方式将配置节点配置的HARQ反馈启用规则指示给终端，其中该通信方式为设备间直接通信，直接通信的资源分配方式包括以下两种：
1、网络侧调度的资源分配模式，由网络侧设备根据终端上报的Sidelink缓冲区上报BSR(Buffer state reporting)，在Uu接口上为终端分配直通链路资源，其中该资源分配模式在NR V2X中称为NR V2X mode1。
2、终端侧自主选择资源的分配模式，由终端自行从为终端预配置资源或者网络侧设备广播的发送资源池中选择资源，进行直接通信链路的发送，其中该资源分配模式在NR V2X中称为NR V2X mode2。
上述NR V2X系统直接通信的资源分配方式应用于本申请实施例中，上述网络侧调度即本申请提出的配置节点指示的资源分配模式。
上述直接通信的设备可以均是在网的，或者均是脱网的，还可以是部分设备在网，部分设备脱网。所述在网即参与直接通信的设备位于3GPP直接通信载波覆盖范围内，在网设备可以搜索到3GPP基站，必要时可以受3GPP基站控制，所述脱网即参与直接通信的设备不在3GPP直接通信载波覆盖范围内。
本申请实施例提供的一种终端节点间HARQ反馈配置的方法是网络侧设备如基站指示HARQ反馈配置后，终端确认HARQ反馈配置的方法，为了从系统方面将实施例提供的方法完整的描述出来，以一种基站指示HARQ反馈配置且终端确认HARQ反馈配置的系统为例，进行具体说明，所述系统包括：基站200以及终端201，其中：
如图2A所示，所述基站200，
用于为终端配置直通链路Sidelink接口的HARQ反馈启用的规则；
用于将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端。
所述终端201，
用于接收所述配置节点指示的配置Sidelink接口HARQ反馈启用规则；
用于根据所述配置的Sidelink接口HARQ反馈启用规则，确定在Sidelink接口启用或不启用HARQ反馈。
实施中，上述基站可以是常规基站或中继节点或基站单元的CU或单元DU或用于调度终端间Sidelink传输的第三方终端。
上述基站为上述终端配置Sidelink接口HARQ反馈启用规则，终端在 Sidelink接口传输中根据上述配置节点配置的Sidelink接口HARQ反馈启用规则，确定启用或不启用HARQ反馈。
实施中，基站将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端的指示方式包括以下任一种，同时所述终端根据所述基站的指示，确定所述配置的Sidelink接口HARQ反馈启用规则的方式，如下所示：
方式一：
基站通过为所述终端配置Sidelink接口资源的广播消息，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端；
终端通过接收基站为所述终端配置Sidelink接口资源的广播消息，确定指示的配置的Sidelink接口HARQ反馈启用规则。
作为一种可选的实施方式，所述配置的Sidelink接口HARQ反馈启用规则，为所述终端使用所述配置Sidelink接口资源时使用的Sidelink接口HARQ反馈启用规则。
上述方式一配置HARQ反馈启用规则的发送方式适用于基站指示的资源分配模式即NR V2X mode1，以及终端侧自主选择资源的分配模式NR V2X mode2。
方式二：
基站通过为所述终端配置Sidelink接口资源的专用无线资源控制RRC信令，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端；
所述终端通过接收基站配置的Sidelink接口资源的专用RRC信令，确定指示的配置的Sidelink接口HARQ反馈启用规则。
作为一种可选的实施方式，基站向所述终端发送去激活物理下行控制信道PDCCH命令，以指示所述终端不启用配置的HARQ反馈启用规则；对应的，所述终端接收基站发送的去激活PDCCH命令，确定不启用配置的HARQ反馈启用规则；
或者，基站向所述终端发送激活PDCCH命令，以指示所述终端启用配置的HARQ反馈启用规则；对应的，所述终端接收基站发送的激活PDCCH命 令，确定启用配置的HARQ反馈启用规则。
具体的，基站在给终端分配Sidelink接口资源的专用RRC信令时，配置Sidelink接口HARQ反馈启用规则，通过专用RRC信令配置Sidelink接口HARQ反馈启用规则后并不立刻生效，基站在Uu接口向终端发送激活PDCCH命令启用配置的HARQ反馈启用规则，基站还可以向终端发送去激活PDCCH命令不启用配置的HARQ反馈启用规则，其中，可预先设置HARQ反馈启用的默认状态，默认状态可以是Sidelink接口发送HARQ反馈或者不发送HARQ反馈，该默认状态由协议规定或在RRC配置信令中确定初始默认状态。
上述方式二配置HARQ反馈启用规则的发送方式适用于基站指示的资源分配模式即NR V2X mode1。
方式三：
基站通过为所述终端配置的媒体访问控制控制单元MAC CE，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端；
所述终端通过基站配置的MAC CE，确定指示的配置的Sidelink接口HARQ反馈启用规则。
具体的，基站为所述终端配置MAC CE，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端，可选以下任一种配置MAC CE的方法：
(1)配置通过为终端配置的MAC CE中的子头中的LCID值，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端；
对应的，终端通过基站配置的MAC CE中的子头中的LCID值，确定指示的配置的Sidelink接口HARQ反馈启用规则。
(2)基站通过为终端配置的MAC CE中的指定内容，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端；
对应的，终端通过基站配置的MAC CE中的指定内容，确定指示的配置的Sidelink接口HARQ反馈启用规则。
作为一种可选的实施方式，所述为终端配置的MAC CE中的子头中的LCID值，用于采用固定值指示不启用HARQ反馈，或者用于采用不同的指 示值分别指示启用HARQ反馈和不启用HARQ反馈。
具体的，为终端配置的MAC CE子头中的逻辑信道标识LCID值用于指示不启用HARQ反馈；或者指定两个LCID值用于所述为终端配置的MAC CE，其中一个用于指示终端启用HARQ反馈，另一个用于指示终端不启用HARQ反馈。
作为一种可选的实施方式，所述为终端配置的MAC CE中的指定内容包括以下任一种或任多种：
(1)启用或不启用HARQ反馈的Sidelink接口的无线承载标识；
(2)启用或不启用HARQ反馈的Sidelink接口的业务数据的逻辑信道标识LCID；
(3)用位图bitmap指示对应的RB启用或不启用HARQ反馈；
(4)启用或不启用HARQ反馈的数据服务质量QoS门限；
具体的，所述QoS门限可以是5QI(5G QoS Identifier，5G QoS标识)参数；或者时延门限；或者可靠性门限；或者优先级门限。
(5)启用或不启用HARQ反馈的物理层信道质量门限参数；
(6)启用或不启用HARQ反馈的物理层HARQ重传次数统计门限。
上述方式三配置HARQ反馈启用规则的发送方式适用于基站指示的资源分配模式即NR V2X mode1。
方式四：
基站通过为所述终端配置Sidelink接口资源的PDCCH命令，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端；
所述终端通过接收基站配置的Sidelink接口资源的PDCCH命令，确定指示的配置的Sidelink接口HARQ反馈启用规则。
作为一种可选的实施方式，根据PDCCH命令为动态调度资源命令或者周期性调度资源命令具体有以下两种指示Sidelink接口HARQ反馈启用规则的方式，如下：
一种是，所述PDCCH命令为动态调度资源命令时，所述配置的Sidelink 接口HARQ反馈启用规则为该次动态调度的Sidelink接口资源使用的HARQ反馈启用的规则；
另一种是，所述PDCCH命令为周期性调度资源命令时，所述配置的Sidelink接口HARQ反馈启用规则为周期性调度的Sidelink接口资源使用的HARQ反馈启用的规则。
上述方式四配置HARQ反馈启用规则的发送方式适用于基站指示的资源分配模式即NR V2X mode1。
基站为Sidelink接口的终端配置的Sidelink接口HARQ反馈启用规则包括如下任一或任多个规则：
(1)针对指定的Sidelink接口资源，启用或不启用HARQ反馈；
具体的，所述指定的Sidelink接口资源为指定的频率资源，或者为指定的带宽片段BWP资源，或者指定的载波资源。
(2)针对指定区域内的终端，启用或不启用HARQ反馈；
具体的，可以是zone指示。
(3)针对指定承载，启用或不启用HARQ反馈；
具体的，所述指定承载可以表示为RB identity，对于时延可靠性要求不高的承载，可以指定该承载不启用HARQ反馈。
(4)针对指定的逻辑信道，启用或不启用HARQ反馈；
具体的，终端在Sidelink接口使用重复传输duplication进行传输时，基站可以指定同一个承载对应的多个逻辑信道中，部分逻辑信道不进行HARQ反馈。
(5)针对满足设定业务特性的业务承载，启用或不启用HARQ反馈；
具体的，所述设定业务特性是指优先级参数如PPPP(ProSe Per-Packet Priority，渐进每分组优先级)或priority(优先级)、时延参数、可靠性参数如PPPR(ProSe Per-Packet Reliability，渐进每分组可靠性)、5QI或VQI(Vehicle QoS Identifier，车载QoS标识)指示中的一个或多个的组合。
(6)根据Sidelink接口的信道质量与设定门限值的比较，启用或不启用 HARQ反馈；
具体的，当终端测量到Sidelink接口信道质量高于设定门限值时，可以不发送HARQ反馈。
(7)根据Sidelink接口在设定周期内的数据重传次数，启用或不启用HARQ反馈；
具体的，当终端监测到在一定统计时间段内，HARQ重传次数低于设定门限时，不启动HARQ反馈，对应这种机制，基站可以配置一个定时器，在该定时器超时后重新启动HARQ反馈，同时开始监测HARQ重传次数。其中，该统计时间段长度可以由基站配置或协议规定，该定时器最大长度可以由协议规定。
(8)根据Sidelink接口的调度传输机制，启用或不启用HARQ反馈。
具体的，当Sidelink接口的调度传输机制为动态调度时，基站在该次动态调度命令中指示终端启用或不启用HARQ反馈，或者当Sidelink接口的调度传输机制为预配置资源时，基站在激活预配置资源的调度命令中指示当前激活的预配置资源启用或不启用HARQ反馈。
实施中，Sidelink接口的终端间发送启用或不启用HARQ反馈的通知，如下所示：
通知Sidelink接口上的对端终端启用或不启用sidelink接口上的HARQ反馈。
具体的，发送终端接收基站指示的HARQ反馈启用规则，确定启用或不启用HARQ反馈后，可以在Sidelink接口通知接收终端发送/不发送HARQ反馈，具体可以通过物理层SCI信令或Sidelink接口的RRC信令；或者，接收终端直接接收基站指示的HARQ反馈启用规则，确定启用或不启用HARQ反馈后，可以通知发送终端后续将发送/不发送HARQ反馈。
根据上述基站为终端配置的HARQ反馈启用规则的指示方式、以及使用HARQ反馈启用的具体规则，分情况对上述系统中基站指示HARQ反馈启用规则、终端确定HARQ反馈启用规则并执行的过程进行说明，其中，为了更 清楚的说明将终端按发送终端和接收终端进行区别，发送终端为发送Sidelink接口数据的终端，接收终端为发送Sidelink接口HARQ反馈的终端，如图2B所示，该系统包括基站侧202、发送终端203以及接收终端204。
情况一、基站通过为所述终端配置Sidelink接口资源的广播消息，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端，该规则为绝对使用规则。
基站侧202：
在为所述终端配置Sidelink接口资源的广播消息中发送sidelink资源分配信息，该资源分配信息可以是针对在网或脱网终端的，可以是常规使用的sidelink接口资源或特定exceptional资源。
具体的，基站在分配Sidelink接口资源时，指示为终端配置的所述Sidelink接口资源对应的HARQ反馈启用规则，该HARQ反馈启用规则可以针对以下任一或任多种进行该HARQ反馈启用规则的实施：
规则1、针对指定sidelink接口资源，启用或不启用HARQ反馈，所述指定的sidelink接口资源可以是当前配置的全部或部分sidelink接口资源；
规则2、针对指定区域，启用或不启用HARQ反馈，具体为zone指示。
发送终端203：
接收基站为发送终端配置的sidelink接口资源广播消息中的sidelink接口资源，确定所述广播消息中配置的sidelink接口资源是否启用HARQ反馈，确定在不启用HARQ反馈的sidelink接口资源上发送sidelink数据后，不接收HARQ反馈。
接收终端204：
根据接收终端确定sidelink资源的方式，处理方法如下任一种：
方法1：接收基站为接收终端配置的sidelink接口资源广播消息中的sidelink接口资源，确定接收的配置的sidelink接口资源，同时接收基站对于该sidelink接口资源是否启用HARQ反馈的配置，确定不启用HARQ反馈时，在不启用HARQ反馈的sidelink接口资源上接收sidelink数据后，不发送HARQ 反馈。
方法2：接收发送终端在sidelink接口上发送的传输资源指示，同时指示该资源上的传输是否需要HARQ反馈。在不启用HARQ反馈的资源上接收sidelink传输后，不发送HARQ反馈。
情况二、基站通过为所述终端配置Sidelink接口资源的广播消息，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端，该规则为相对使用规则。
基站侧202：
在为所述终端配置Sidelink接口资源的广播消息中发送sidelink资源分配信息，该资源分配信息可以是针对在网或脱网终端的，可以是常规使用的sidelink接口资源或特定exceptional资源。
具体的，基站在分配Sidelink接口资源时，指示为终端配置的所述Sidelink接口资源对应的HARQ反馈启用规则，该HARQ反馈启用规则可以针对以下任一或任多种进行该HARQ反馈启用规则的实施：
规则1、针对指定承载，启用或不启用HARQ反馈；
规则2、针对指定的逻辑信道，启用或不启用HARQ反馈；
规则3、针对满足设定业务特性的业务承载，启用或不启用HARQ反馈；
规则4、根据Sidelink接口的信道质量与设定门限值的比较，启用或不启用HARQ反馈；
规则5、根据Sidelink接口在设定周期内的数据重传次数，启用或不启用HARQ反馈；
发送终端203：
接收基站为发送终端配置的sidelink接口资源广播消息中的sidelink接口资源，确定所述广播消息中配置的sidelink接口资源是否启用HARQ反馈；
如果HARQ反馈启用规则是针对指定承载、指定的逻辑信道或满足设定业务特性的业务承载中的任一或任多种，发送终端在组织sidelink接口MAC PDU的时候，有以下两种方式：
a)基站在为终端配置的Sidelink接口HARQ反馈启用规则指示的是针对上述指定承载或者指定的逻辑信道或者满足设定业务特性的业务承载时，启用sidelink的HARQ反馈，则发送终端在发送的MAC PDU中包含了指定承载、指定的逻辑信道或满足设定业务特性的业务承载的数据时，启用sidelink的HARQ反馈；
b)基站在为终端配置的Sidelink接口HARQ反馈启用规则指示的是针对上述指定承载或者指定的逻辑信道或者满足设定业务特性的业务承载时，不启用sidelink的HARQ反馈，则发送终端在发送的MAC PDU中包含了指定承载、指定的逻辑信道或满足设定业务特性的业务承载的数据时，不启用sidelink的HARQ反馈。
如果HARQ反馈启用规则是上述规则4、规则5时，发送终端接收，接收终端发送的Sidelink接口的信道质量反馈或者HARQ反馈，根据Sidelink接口的信道质量与基站配置的设定门限值的比较，或者，根据Sidelink接口在设定周期内的数据重传次数，确定后续传输是否启用sidelink的HARQ反馈。例如，Sidelink接口信道质量高于设定门限值或HARQ重传次数低于设定门限值时，不启用HARQ反馈。
发送终端确定启用或不启用HARQ反馈后，在sidelink接口传输资源指示，并发送数据，在向接收终端发送的sidelink接口资源指示命令中，指示该传输启用或不启用HARQ反馈，如果不启用HARQ反馈，则在sidelink接口传输后不监听HARQ反馈。
接收终端204：
根据接收终端确定sidelink资源的方式，有两种处理方法：
方法1：接收基站为接收终端配置的sidelink接口资源广播消息中的sidelink接口资源，确定接收的配置的sidelink接口资源，同时接收基站对于该sidelink接口资源是否启用HARQ反馈的配置，在进行sidelink信道质量测量和HARQ反馈的同时对信道质量情况和HARQ反馈个数计数，如果达到规定sidelink接口信道质量门限值和HARQ重传次数门限值，则不发送HARQ 反馈，该方法不需要发送终端的指示。
方法2：接收发送终端在sidelink接口上发送的传输资源指示，同时指示该资源上的传输是否需要HARQ反馈。在不启用HARQ反馈的资源上接收sidelink传输资源后，不发送HARQ反馈。
情况三：基站为所述终端配置Sidelink接口资源的专用RRC信令，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端，该规则为绝对使用规则。
基站侧202：
在为所述终端配置Sidelink接口资源的专用RRC信令中发送sidelink资源分配信息，该资源分配信息可以是针对在网或脱网终端的，可以是常规使用的sidelink接口资源或特定exceptional资源。
具体的，基站在分配Sidelink接口资源时，指示为终端配置的所述Sidelink接口资源对应的HARQ反馈启用规则，该HARQ反馈启用规则可以针对以下任一或任多种进行该HARQ反馈启用规则的实施：
规则1、针对指定sidelink接口资源，启用或不启用HARQ反馈，所述指定的sidelink接口资源可以是当前配置的全部或部分sidelink接口资源；
规则2、针对指定区域，启用或不启用HARQ反馈，具体为zone指示。
可选的，通过专用RRC信令配置HARQ反馈启用规则后并不立刻生效，基站在Uu接口向终端发送激活PDCCH命令启用配置的HARQ反馈启用规则，基站还可以向终端发送去激活PDCCH命令不启用配置的HARQ反馈启用规则，其中，默认状态可以为sidelink发送HARQ反馈或不发送HARQ反馈，由协议规定或在RRC配置信令中确定初始状态。
可选的，基站还可以通过专用RRC信令向接收终端发送接收数据的sidelink接口资源，同时配置HARQ启用规则。
发送终端203：
接收基站为发送终端配置的专用RRC信令中的sidelink接口资源，确定所述广播消息中配置的专用RRC信令中的sidelink接口资源是否启用HARQ 反馈，确定在不启用HARQ反馈的sidelink接口资源上发送sidelink数据后，不接收HARQ反馈。
可选的，根据PDCCH激活/去激活命令启用或不启用配置的HARQ反馈启用规则，在不启用HARQ反馈的sidelink接口资源上发送sidelink传输后，不接收HARQ反馈。
接收终端204：
根据接收终端确定sidelink资源的方式，处理方法如下任一种：
方法1：接收基站为接收终端配置的专用RRC信令中的sidelink接口资源，确定接收的配置的sidelink接口资源，同时接收基站对于该sidelink接口资源是否启用HARQ反馈的配置，确定不启用HARQ反馈时，在不启用HARQ反馈的sidelink接口资源上接收sidelink数据后，不发送HARQ反馈。
方法2：接收发送终端在sidelink接口上发送的传输资源指示，同时指示该资源上的传输是否需要HARQ反馈。在不启用HARQ反馈的资源上接收sidelink传输资源后，不发送HARQ反馈。
情况四：基站为所述终端配置Sidelink接口资源的专用RRC信令，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端，该规则为相对使用规则。
基站侧202：
在为所述终端配置Sidelink接口资源的专用RRC信令中发送sidelink资源配置信息，该资源配置信息可以是针对在网或脱网终端的，可以是常规使用的sidelink接口资源或特定exceptional资源。
具体的，基站在分配Sidelink接口资源时，指示为终端配置的所述Sidelink接口资源对应的HARQ反馈启用规则，该HARQ反馈启用规则可以针对以下任一或任多种进行该HARQ反馈启用规则的实施：
规则1、针对指定承载，启用或不启用HARQ反馈；
规则2、针对指定的逻辑信道，启用或不启用HARQ反馈；
规则3、针对满足设定业务特性的业务承载，启用或不启用HARQ反馈；
规则4、根据Sidelink接口的信道质量与设定门限值的比较，启用或不启用HARQ反馈；
规则5、根据Sidelink接口在设定周期内的数据重传次数，启用或不启用HARQ反馈。
可选的，通过专用RRC信令配置HARQ反馈启用规则后并不立刻生效，基站在Uu接口向终端发送激活PDCCH命令启用配置的HARQ反馈启用规则，基站还可以向终端发送去激活PDCCH命令不启用配置的HARQ反馈启用规则，其中，默认状态可以为sidelink发送HARQ反馈或不发送HARQ反馈，由协议规定或在RRC配置信令中确定初始状态。
可选的，基站还可以通过专用RRC信令向接收终端发送接收数据的sidelink接口资源，同时配置HARQ启用规则。
发送终端203：
接收基站为发送终端配置的专用RRC信令中的sidelink接口资源，确定所述专用RRC信令中配置的sidelink接口资源是否启用HARQ反馈；
可选的，根据激活/去激活PDCCH命令启用或不启用HARQ反馈。
如果HARQ反馈启用规则是针对指定承载、指定的逻辑信道或满足设定业务特性的业务承载中的任一或任多种，发送终端在组织sidelink接口MAC PDU的时候，有以下两种方式：
a)基站在为终端配置的Sidelink接口HARQ反馈启用规则指示的是针对上述指定承载或者指定的逻辑信道或者满足设定业务特性的业务承载时，启用sidelink的HARQ反馈，则发送终端在发送的MAC PDU中包含了指定承载、指定的逻辑信道或满足设定业务特性的业务承载的数据时，启用sidelink的HARQ反馈；
b)基站在为终端配置的Sidelink接口HARQ反馈启用规则指示的是针对上述指定承载或者指定的逻辑信道或者满足设定业务特性的业务承载时，不启用sidelink的HARQ反馈，则发送终端在发送的MAC PDU中包含了指定承载、指定的逻辑信道或满足设定业务特性的业务承载的数据时，不启用 sidelink的HARQ反馈。
如果HARQ反馈启用规则是上述规则4、规则5时，发送终端接收，接收终端发送的Sidelink接口的信道质量反馈或者HARQ反馈，根据Sidelink接口的信道质量与基站配置的设定门限值的比较，或者，根据Sidelink接口在设定周期内的数据重传次数，确定后续传输是否启用sidelink的HARQ反馈。例如，Sidelink接口信道质量高于设定门限值或HARQ重传次数低于设定门限值时，不启用HARQ反馈。
发送终端确定启用或不启用HARQ反馈后，在sidelink接口传输资源指示，并发送数据，在向接收终端发送的sidelink接口资源指示命令中，指示该传输启用或不启用HARQ反馈，如果不启用HARQ反馈，则在sidelink接口传输后不监听HARQ反馈。
接收终端204：
根据接收终端确定sidelink资源的方式，有两种处理方法：
方法1：接收基站为接收终端配置的专用RRC信令中的sidelink接口资源，确定接收配置的sidelink接口资源，同时接收基站对于该sidelink接口资源是否启用HARQ反馈的配置，在进行sidelink信道质量测量和HARQ反馈的同时对信道质量情况和HARQ反馈个数计数，如果达到规定sidelink接口信道质量门限值和HARQ重传次数门限值，则不发送HARQ反馈，该方法不需要发送终端的指示。
方法2：接收发送终端在sidelink接口上发送的传输资源指示，同时指示该资源上的传输是否需要HARQ反馈。在不启用HARQ反馈的资源上接收sidelink传输资源后，不发送HARQ反馈。
情况五：基站为所述终端配置的媒体访问控制控制单元MAC CE，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端。
基站侧202：
通过为终端配置的MAC CE中的子头中的LCID值，向终端指示是否启用Sidelink接口HARQ反馈；或者
通过为终端配置的MAC CE中的指定内容，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端。
所述为终端配置的MAC CE中的指定内容包括以下任一或任多种：
(1)启用或不启用HARQ反馈的Sidelink接口的无线承载标识；
(2)启用或不启用HARQ反馈的Sidelink接口的业务数据的逻辑信道标识LCID；
(3)用位图bitmap指示对应的RB启用或不启用HARQ反馈；
(4)启用或不启用HARQ反馈的数据服务质量QoS门限；
具体的，所述QoS门限可以是5QI参数；或者时延门限；或者可靠性门限；或者优先级门限。
(5)启用或不启用HARQ反馈的物理层信道质量门限参数；
(6)启用或不启用HARQ反馈的物理层HARQ重传次数统计门限。具体的，所述MAC CE指示的Sidelink接口HARQ反馈启用规则可以针对如下任一或任多种进行该HARQ反馈启用规则的实施：
规则1、针对所述终端可用的Sidelink接口资源，启用或不启用HARQ反馈；
具体的，通过为终端配置的MAC CE中的子头中的LCID值，向终端指示该终端可用的全部Sidelink接口资源启用或不启用HARQ反馈；
规则2、针对指定承载，启用或不启用HARQ反馈；
具体的，MAC CE中携带RB ID，可以用单独1bitRB ID指示启用或不启用HARQ反馈，或MAC CE中只包含启用HARQ反馈的RB ID，或MAC CE中只包含不启用HARQ反馈的RB ID；或用bitmap的方式，每个bit位对应一个sidelink接口的数据无线承载DRB，用0或1表示对应的RB启用或不启用HARQ重传；
规则3、针对指定的逻辑信道，启用或不启用HARQ反馈；
具体的，MAC CE中携带sidelink逻辑信道对应的LCID，可以用单独1bit指示启用或不启用HARQ重传，或MAC CE中只包含启用HARQ反馈的RB  ID，或MAC CE中只包含不启用HARQ反馈的RB ID。
规则4、针对满足设定业务特性的业务承载，启用或不启用HARQ反馈；
具体的，MAC CE中携带QoS门限参数，QoS门限具体为5QI参数、时延门限、可靠性门限、优先级门限中的任一种。
规则5、根据Sidelink接口的信道质量与设定门限值的比较，启用或不启用HARQ反馈；
具体的，MAC CE携带信道质量门限值，例如具体可以表示为量化后的参考信号接收功率RSRP的dB值。
规则6、根据Sidelink接口在设定周期内的数据重传次数，启用或不启用HARQ反馈；
具体的，MAC CE携带HARQ重传次数门限值。
发送终端203：
接收基站通过MAC CE发送的sidelink接口的HARQ反馈启用规则；
根据sidelink接口的HARQ反馈启用规则，确定是否启动sidelink的HARQ反馈；
在sidelink接口传输资源指示，并发送数据，在向接收终端发送的sidelink接口资源指示命令中，指示该传输启用或不启用HARQ反馈，如果不启用HARQ反馈，则在sidelink接口传输后不监听HARQ反馈。
接收终端204：
根据接收终端确定sidelink资源的方式，有两种处理方法：
方法1：接收终端接收基站侧配置的sidelink接口资源时，另外通过MAC CE接收HARQ反馈启用规则，根据接收的sidelink接口的HARQ反馈启用规则，确定是否要启用HARQ反馈。
方法2：接收发送终端在sidelink接口上发送的传输资源指示，该传输资源指示上同时指示该资源上的传输是否需要HARQ反馈，在不启动HARQ反馈的资源上接收sidelink传输后，不发送HARQ反馈。
情况六：基站通过为所述终端配置Sidelink接口资源的PDCCH命令，将 所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端。
基站侧202：
基站在给终端分配sidelink接口资源的PDCCH命令中，指示该分配的资源是否启用HARQ反馈，如果该PDCCH命令指示为动态调度命令，则该次动态调度资源使用指示的HARQ反馈启用规则；如果该PDCCH命令指示周期性的配置传输configured grant，则该周期性传输资源启用该PDCCH指示的HARQ反馈启用规则。
发送终端203：
接收基站通过sidelink接口资源的PDCCH命令进行的sidelink接口资源分配，根据PDCCH命令中指示的HARQ反馈启用规则，启用或不启用HARQ反馈；
在sidelink接口传输资源指示并发送数据，在向接收终端发送的sidelink接口资源指示命令中，指示该传输启用或不启用HARQ反馈，如果不启用HARQ反馈，则在sidelink接口传输后不监听HARQ反馈。
接收终端204：
方法1：监听基站发送的对sidelink进行资源分配的PDCCH命令，在该PDCCH命令指示的sidelink接收资源上进行数据接收，根据PDCCH命令中指示该分配的资源是否启用HARQ反馈确定启用或不启用HARQ反馈。
方法2：接收发送终端在sidelink接口上发送的传输资源指示，该传输资源指示上同时指示该资源上的传输是否需要HARQ反馈，如果不启用HARQ反馈，则在sidelink接口接收传输后不发送HARQ反馈。
如图2C所示，上述系统具体的方法步骤如下：
步骤205：基站为发送终端配置直通链路Sidelink接口的HARQ反馈启用的规则，将所述配置的Sidelink接口HARQ反馈启用规则指示给发送终端；
或者，基站为接收终端配置直通链路Sidelink接口的HARQ反馈启用的规则，将所述配置的Sidelink接口HARQ反馈启用规则指示给接收终端。
步骤206：发送终端接收基站指示的配置Sidelink接口HARQ反馈启用 规则，根据所述配置的Sidelink接口HARQ反馈启用规则，确定在Sidelink接口启用或不启用HARQ反馈；
或者，接收终端接收基站指示的配置Sidelink接口HARQ反馈启用规则，根据所述配置的Sidelink接口HARQ反馈启用规则，确定在Sidelink接口启用或不启用HARQ反馈。
步骤207：发送终端确定在sidelink接口上启用或不启用HARQ反馈，并通知sidelink接口上的接收终端。
实施例二
如图3所示，本申请实施例一种终端节点间HARQ反馈配置设备包括：处理器300、存储器301和收发机302。
处理器300负责管理总线架构和通常的处理，存储器301可以存储处理器300在执行操作时所使用的数据。收发机302用于在处理器300的控制下接收和发送数据。
总线架构可以包括任意数量的互联的总线和桥，具体由处理器300代表的一个或多个处理器和存储器301代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口提供接口。处理器300负责管理总线架构和通常的处理，存储器301可以存储处理器300在执行操作时所使用的数据。
本申请实施例揭示的流程，可以应用于处理器300中，或者由处理器300实现。在实现过程中，信号处理流程的各步骤可以通过处理器300中的硬件的集成逻辑电路或者软件形式的指令完成。处理器300可以是通用处理器、数字信号处理器、专用集成电路、现场可编程门阵列或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件，可以实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者任何常规的处理器等。结合本申请实施例所公开的方法的步骤可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。 软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器301，处理器300读取存储器301中的信息，结合其硬件完成信号处理流程的步骤。
其中，处理器300，用于读取存储器301中的程序并执行下列过程：
可选的，所述处理器300具体用于：
为终端配置直通链路Sidelink接口的HARQ反馈启用的规则；
将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端，以使所述终端根据所述配置的Sidelink接口HARQ反馈启用规则，确定在Sidelink接口启用或不启用HARQ反馈。
作为一种可选的实施方式，所述处理器具体用于：
通过为所述终端配置Sidelink接口资源的广播消息，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端。
作为一种可选的实施方式，所述处理器具体用于：
通过为所述终端配置Sidelink接口资源的专用无线资源控制RRC信令，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端。
作为一种可选的实施方式，所述处理器具体还用于：
向所述终端发送去激活物理下行控制信道PDCCH命令，以指示所述终端不启用配置的HARQ反馈启用规则；或者
向所述终端发送激活PDCCH命令，以指示所述终端启用配置的HARQ反馈启用规则。
作为一种可选的实施方式，所述处理器具体用于：
通过为所述终端配置的媒体访问控制控制单元MAC CE，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端。
作为一种可选的实施方式，所述处理器具体用于：
通过为终端配置的MAC CE中的子头中的LCID值，向终端指示是否启用Sidelink接口HARQ反馈；或者
通过为终端配置的MAC CE中的指定内容，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端。
作为一种可选的实施方式，所述为终端配置的MAC CE中的指定内容包括：
启用或不启用HARQ反馈的Sidelink接口的无线承载标识；或者
启用或不启用HARQ反馈的Sidelink接口的业务数据的逻辑信道标识LCID；或者
用位图bitmap指示对应的RB启用或不启用HARQ反馈；或者
启用或不启用HARQ反馈的数据服务质量QoS门限；或者
启用或不启用HARQ反馈的物理层信道质量门限参数；或者
启用或不启用HARQ反馈的物理层HARQ重传次数统计门限。
作为一种可选的实施方式，所述处理器具体用于：
通过为所述终端配置Sidelink接口资源的PDCCH命令，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端。
作为一种可选的实施方式，所述PDCCH命令为动态调度资源命令时，所述配置的Sidelink接口HARQ反馈启用规则为该次动态调度的Sidelink接口资源使用的Sidelink接口HARQ反馈启用规则；
所述PDCCH命令为周期性调度资源命令时，所述配置的Sidelink接口HARQ反馈启用规则为周期性调度的Sidelink接口资源使用的Sidelink接口HARQ反馈启用规则。
作为一种可选的实施方式，为Sidelink接口的终端配置的Sidelink接口HARQ反馈启用规则包括如下任一或任多个规则：
针对指定的Sidelink接口资源，启用或不启用HARQ反馈；
针对指定区域内的终端，启用或不启用HARQ反馈；
针对指定承载，启用或不启用HARQ反馈；
针对指定的逻辑信道，启用或不启用HARQ反馈；
针对满足设定业务特性的业务承载，启用或不启用HARQ反馈；
根据Sidelink接口的信道质量与设定门限值的比较，启用或不启用HARQ反馈；
根据Sidelink接口在设定周期内的数据重传次数，启用或不启用HARQ反馈；
根据Sidelink接口的调度传输机制，启用或不启用HARQ反馈。
作为一种可选的实施方式，所述指定的Sidelink接口资源为指定的频率资源，或者为指定的部分带宽BWP资源，或者指定的载波资源。
作为一种可选的实施方式，所述设备应用于基站或中继节点或基站单元的中心单元CU或单元分布式单元DU或用于调度终端间Sidelink传输的第三方终端为所述终端配置Sidelink接口的HARQ反馈启用规则。
实施例三
如图4所示，本申请实施例一种确认HARQ反馈配置的终端包括：处理器400、存储器401和收发机402。
处理器400负责管理总线架构和通常的处理，存储器401可以存储处理器400在执行操作时所使用的数据。收发机402用于在处理器400的控制下接收和发送数据。
总线架构可以包括任意数量的互联的总线和桥，具体由处理器400代表的一个或多个处理器和存储器401代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口提供接口。处理器400负责管理总线架构和通常的处理，存储器401可以存储处理器400在执行操作时所使用的数据。
本申请实施例揭示的流程，可以应用于处理器400中，或者由处理器400实现。在实现过程中，信号处理流程的各步骤可以通过处理器400中的硬件的集成逻辑电路或者软件形式的指令完成。处理器400可以是通用处理器、数字信号处理器、专用集成电路、现场可编程门阵列或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件，可以实现或者执行本申请 实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者任何常规的处理器等。结合本申请实施例所公开的方法的步骤可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器401，处理器400读取存储器401中的信息，结合其硬件完成信号处理流程的步骤。
其中，处理器400，用于读取存储器401中的程序并执行下列过程：
可选的，所述处理器400具体用于：
接收配置节点指示的配置Sidelink接口HARQ反馈启用规则；
根据所述配置的Sidelink接口HARQ反馈启用规则，确定在Sidelink接口启用或不启用HARQ反馈。
作为一种可选的实施方式，所述处理器具体用于：
通过接收配置节点为所述终端配置Sidelink接口资源的广播消息，确定指示的配置的Sidelink接口HARQ反馈启用规则。
作为一种可选的实施方式，所述配置的Sidelink接口HARQ反馈启用规则，为所述终端使用所述配置Sidelink接口资源时使用的Sidelink接口HARQ反馈启用规则。
作为一种可选的实施方式，所述处理器具体用于：
通过接收配置节点配置的Sidelink接口资源的专用RRC信令，确定指示的配置的Sidelink接口HARQ反馈启用规则。
作为一种可选的实施方式，所述处理器具体还用于：
接收配置节点发送的去激活PDCCH命令，确定不启用配置的HARQ反馈启用规则；或者
接收配置节点发送的激活PDCCH命令，确定启用配置的HARQ反馈启用规则。
作为一种可选的实施方式，所述处理器具体用于：
通过配置节点配置的MAC CE，确定指示的配置的Sidelink接口HARQ反馈启用规则。
作为一种可选的实施方式，所述处理器具体用于：
通过配置节点配置的MAC CE中的子头中的指定指示位，确定指示的配置的Sidelink接口HARQ反馈启用规则；或者
通过配置节点配置的MAC CE中的指定内容，确定指示的配置的Sidelink接口HARQ反馈启用规则。
作为一种可选的实施方式，所述接收的配置节点配置的MAC CE中的子头中的指定指示位，用于采用固定值指示不启用HARQ反馈，或者用于采用不同的指示值分别指示启用HARQ反馈和不启用HARQ反馈。
作为一种可选的实施方式，所述配置节点配置的MAC CE中的指定内容包括：
启用或不启用HARQ反馈的Sidelink接口的无线承载标识；或者
启用或不启用HARQ反馈的Sidelink接口的业务数据的LCID；或者
启用或不启用HARQ反馈的用位图文件bitmap指示对应的RB；或者
启用或不启用HARQ反馈的数据QoS门限；或者
启用或不启用HARQ反馈的物理层信道质量门限参数；或者
启用或不启用HARQ反馈的物理层HARQ重传次数统计门限。
作为一种可选的实施方式，接收配置节点指示的配置Sidelink接口HARQ反馈启用规则，包括：
通过接收配置节点配置的Sidelink接口资源的PDCCH命令，确定指示的配置的Sidelink接口HARQ反馈启用规则。
作为一种可选的实施方式，所述PDCCH命令为动态调度资源命令时，所述配置的Sidelink接口HARQ反馈启用规则为该次动态调度的Sidelink接口资源使用的Sidelink接口HARQ反馈启用规则；
所述PDCCH命令为周期性调度资源命令时，所述配置的Sidelink接口HARQ反馈启用规则为周期性调度的Sidelink接口资源使用的Sidelink接口 HARQ反馈启用规则。
作为一种可选的实施方式，所述配置的Sidelink接口HARQ反馈启用规则包括如下任一或任多个规则：
针对指定的Sidelink接口资源，启用或不启用HARQ反馈；
针对指定区域内的终端，启用或不启用HARQ反馈；
针对指定承载，启用或不启用HARQ反馈；
针对指定的逻辑信道，启用或不启用HARQ反馈；
针对满足设定业务特性的业务承载，启用或不启用HARQ反馈；
根据Sidelink接口的信道质量与设定门限值的比较，启用或不启用HARQ反馈；
根据Sidelink接口在设定周期内的数据重传次数，启用或不启用HARQ反馈；
根据Sidelink接口的调度传输机制，启用或不启用HARQ反馈。
作为一种可选的实施方式，所述指定的Sidelink接口资源为指定的频率资源，或者为指定的部分带宽BWP资源，或者指定的载波资源。
作为一种可选的实施方式，所述配置节点为基站或中继节点或基站单元的CU或单元DU或用于调度终端间Sidelink传输的第三方终端。
作为一种可选的实施方式，根据所述配置的Sidelink接口HARQ反馈启用规则，确定终端在Sidelink接口启用或不启用HARQ反馈之后，所述处理器用于：
通知Sidelink接口上的对端终端启用或不启用sidelink接口上的HARQ反馈。
如图5所示，本申请实施例一种终端节点间HARQ反馈配置设备包括：
配置模块500，用于为终端配置直通链路Sidelink接口的HARQ反馈启用的规则；
指示模块501，用于将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端，以使所述终端根据所述配置的Sidelink接口HARQ反馈启用 规则，确定在Sidelink接口启用或不启用HARQ反馈。
作为一种可选的实施方式，所述指示模块501用于：
通过为所述终端配置Sidelink接口资源的广播消息，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端。
作为一种可选的实施方式，所述指示模块501用于：
通过为所述终端配置Sidelink接口资源的专用无线资源控制RRC信令，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端。
作为一种可选的实施方式，还包括：
向所述终端发送去激活物理下行控制信道PDCCH命令，以指示所述终端不启用配置的HARQ反馈启用规则；或者
向所述终端发送激活PDCCH命令，以指示所述终端启用配置的HARQ反馈启用规则。
作为一种可选的实施方式，所述指示模块501用于：
通过为所述终端配置的媒体访问控制控制单元MAC CE，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端。
作为一种可选的实施方式，所述指示模块501具体用于：
通过为终端配置的MAC CE中的子头中的LCID值，向终端指示是否启用Sidelink接口HARQ反馈；或者
通过为终端配置的MAC CE中的指定内容，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端。
作为一种可选的实施方式，所述为终端配置的MAC CE中的指定内容包括：
启用或不启用HARQ反馈的Sidelink接口的无线承载标识；或者
启用或不启用HARQ反馈的Sidelink接口的业务数据的逻辑信道标识LCID；或者
用位图bitmap指示对应的RB启用或不启用HARQ反馈；或者
启用或不启用HARQ反馈的数据服务质量QoS门限；或者
启用或不启用HARQ反馈的物理层信道质量门限参数；或者
启用或不启用HARQ反馈的物理层HARQ重传次数统计门限。
作为一种可选的实施方式，所述指示模块501用于：
通过为所述终端配置Sidelink接口资源的PDCCH命令，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端。
作为一种可选的实施方式，所述指示模块501具体用于：
所述PDCCH命令为动态调度资源命令时，所述配置的Sidelink接口HARQ反馈启用规则为该次动态调度的Sidelink接口资源使用的Sidelink接口HARQ反馈启用规则；
所述PDCCH命令为周期性调度资源命令时，所述配置的Sidelink接口HARQ反馈启用规则为周期性调度的Sidelink接口资源使用的Sidelink接口HARQ反馈启用规则。
作为一种可选的实施方式，为Sidelink接口的终端配置的Sidelink接口HARQ反馈启用规则包括如下任一或任多个规则：
针对指定的Sidelink接口资源，启用或不启用HARQ反馈；
针对指定区域内的终端，启用或不启用HARQ反馈；
针对指定承载，启用或不启用HARQ反馈；
针对指定的逻辑信道，启用或不启用HARQ反馈；
针对满足设定业务特性的业务承载，启用或不启用HARQ反馈；
根据Sidelink接口的信道质量与设定门限值的比较，启用或不启用HARQ反馈；
根据Sidelink接口在设定周期内的数据重传次数，启用或不启用HARQ反馈；
根据Sidelink接口的调度传输机制，启用或不启用HARQ反馈。
作为一种可选的实施方式，所述指定的Sidelink接口资源为指定的频率资源，或者为指定的部分带宽BWP资源，或者指定的载波资源。
作为一种可选的实施方式，所述方法应用于基站或中继节点或基站单元 的中心单元CU或单元分布式单元DU或用于调度终端间Sidelink传输的第三方终端为所述终端配置Sidelink接口的HARQ反馈启用规则。
如图6所示，本申请实施例一种确认HARQ反馈配置的终端包括：
接收模块600，用于接收配置节点指示的配置Sidelink接口HARQ反馈启用规则；
确定模块601，用于根据所述配置的Sidelink接口HARQ反馈启用规则，确定在Sidelink接口启用或不启用HARQ反馈。
作为一种可选的实施方式，所述接收模块600用于：
通过接收配置节点为所述终端配置Sidelink接口资源的广播消息，确定指示的配置的Sidelink接口HARQ反馈启用规则。
作为一种可选的实施方式，所述配置的Sidelink接口HARQ反馈启用规则，为所述终端使用所述配置Sidelink接口资源时使用的Sidelink接口HARQ反馈启用规则。
作为一种可选的实施方式，所述接收模块600用于：
通过接收配置节点配置的Sidelink接口资源的专用RRC信令，确定指示的配置的Sidelink接口HARQ反馈启用规则。
作为一种可选的实施方式，所述接收模块600具体用于：
接收配置节点发送的去激活PDCCH命令，确定不启用配置的HARQ反馈启用规则；或者
接收配置节点发送的激活PDCCH命令，确定启用配置的HARQ反馈启用规则。
作为一种可选的实施方式，所述接收模块600用于：
通过配置节点配置的MAC CE，确定指示的配置的Sidelink接口HARQ反馈启用规则。
作为一种可选的实施方式，所述接收模块600具体用于：
通过配置节点配置的MAC CE中的子头中的指定指示位，确定指示的配置的Sidelink接口HARQ反馈启用规则；或者
通过配置节点配置的MAC CE中的指定内容，确定指示的配置的Sidelink接口HARQ反馈启用规则。
作为一种可选的实施方式，所述接收的配置节点配置的MAC CE中的子头中的指定指示位，用于采用固定值指示不启用HARQ反馈，或者用于采用不同的指示值分别指示启用HARQ反馈和不启用HARQ反馈。
作为一种可选的实施方式，所述配置节点配置的MAC CE中的指定内容包括：
启用或不启用HARQ反馈的Sidelink接口的无线承载标识；或者
启用或不启用HARQ反馈的Sidelink接口的业务数据的LCID；或者
启用或不启用HARQ反馈的用位图文件bitmap指示对应的RB；或者
启用或不启用HARQ反馈的数据QoS门限；或者
启用或不启用HARQ反馈的物理层信道质量门限参数；或者
启用或不启用HARQ反馈的物理层HARQ重传次数统计门限。
作为一种可选的实施方式，所述接收模块600用于：
通过接收配置节点配置的Sidelink接口资源的PDCCH命令，确定指示的配置的Sidelink接口HARQ反馈启用规则。
作为一种可选的实施方式，所述PDCCH命令为动态调度资源命令时，所述配置的Sidelink接口HARQ反馈启用规则为该次动态调度的Sidelink接口资源使用的Sidelink接口HARQ反馈启用规则；
所述PDCCH命令为周期性调度资源命令时，所述配置的Sidelink接口HARQ反馈启用规则为周期性调度的Sidelink接口资源使用的Sidelink接口HARQ反馈启用规则。
作为一种可选的实施方式，所述配置的Sidelink接口HARQ反馈启用规则包括如下任一或任多个规则：
针对指定的Sidelink接口资源，启用或不启用HARQ反馈；
针对指定区域内的终端，启用或不启用HARQ反馈；
针对指定承载，启用或不启用HARQ反馈；
针对指定的逻辑信道，启用或不启用HARQ反馈；
针对满足设定业务特性的业务承载，启用或不启用HARQ反馈；
根据Sidelink接口的信道质量与设定门限值的比较，启用或不启用HARQ反馈；
根据Sidelink接口在设定周期内的数据重传次数，启用或不启用HARQ反馈；
根据Sidelink接口的调度传输机制，启用或不启用HARQ反馈。
作为一种可选的实施方式，所述指定的Sidelink接口资源为指定的频率资源，或者为指定的部分带宽BWP资源，或者指定的载波资源。
作为一种可选的实施方式，所述配置节点为基站或中继节点或基站单元的CU或单元DU或用于调度终端间Sidelink传输的第三方终端。
作为一种可选的实施方式，根据所述配置的Sidelink接口HARQ反馈启用规则，确定终端在Sidelink接口启用或不启用HARQ反馈之后，所述终端还用于：
通知Sidelink接口上的对端终端启用或不启用sidelink接口上的HARQ反馈。
本申请实施例提供一种可读存储介质，该可读存储介质为非易失性存储介质，所述可读存储介质为非易失性可读存储介质，包括程序代码，当所述程序代码在计算设备上运行时，所述程序代码用于使所述计算设备执行上述一种终端节点间HARQ反馈配置的方法所述的步骤。
本申请实施例提供一种可读存储介质，该可读存储介质为非易失性存储介质，所述可读存储介质为非易失性可读存储介质，包括程序代码，当所述程序代码在计算设备上运行时，所述程序代码用于使所述计算设备执行上述终端确认HARQ反馈配置的方法所述的步骤。
本申请实施例提供一种包含指令的计算机程序产品，当其在计算机上运行时，使所述计算设备执行上述一种终端节点间HARQ反馈配置的方法所述的步骤。
本申请实施例提供一种包含指令的计算机程序产品，当其在计算机上运行时，使所述计算设备执行上述终端确认HARQ反馈配置的方法所述的步骤。
基于同一发明构思，本申请实施例中还提供了一种终端节点间HARQ反馈配置的方法，由于该方法对应的设备是本申请实施例一种基站指示HARQ反馈配置且终端确认HARQ反馈配置的系统中的网络侧设备即基站，并且该方法解决问题的原理与该设备相似，因此该方法的实施可以参见系统的实施，重复之处不再赘述。
如图7所示，本申请实施例提供的一种终端节点间HARQ反馈配置的方法包括：
步骤701：为终端配置直通链路Sidelink接口的HARQ反馈启用的规则；
步骤702：将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端，以使所述终端根据所述配置的Sidelink接口HARQ反馈启用规则，确定在Sidelink接口启用或不启用HARQ反馈。
作为一种可选的实施方式，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端，包括：
通过为所述终端配置Sidelink接口资源的广播消息，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端。
作为一种可选的实施方式，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端，包括：
通过为所述终端配置Sidelink接口资源的专用无线资源控制RRC信令，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端。
作为一种可选的实施方式，还包括：
向所述终端发送去激活物理下行控制信道PDCCH命令，以指示所述终端不启用配置的HARQ反馈启用规则；或者
向所述终端发送激活PDCCH命令，以指示所述终端启用配置的HARQ反馈启用规则。
作为一种可选的实施方式，将所述配置的Sidelink接口HARQ反馈启用 规则指示给所述终端，包括：
通过为所述终端配置的媒体访问控制控制单元MAC CE，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端。
作为一种可选的实施方式，通过为所述终端配置的MAC CE，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端，包括：
通过为终端配置的MAC CE中的子头中的LCID值，向终端指示是否启用Sidelink接口HARQ反馈；或者
通过为终端配置的MAC CE中的指定内容，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端。
作为一种可选的实施方式，所述为终端配置的MAC CE中的指定内容包括：
启用或不启用HARQ反馈的Sidelink接口的无线承载标识；或者
启用或不启用HARQ反馈的Sidelink接口的业务数据的逻辑信道标识LCID；或者
用位图bitmap指示对应的RB启用或不启用HARQ反馈；或者
启用或不启用HARQ反馈的数据服务质量QoS门限；或者
启用或不启用HARQ反馈的物理层信道质量门限参数；或者
启用或不启用HARQ反馈的物理层HARQ重传次数统计门限。
作为一种可选的实施方式，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端，包括：
通过为所述终端配置Sidelink接口资源的PDCCH命令，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端。
作为一种可选的实施方式，所述PDCCH命令为动态调度资源命令时，所述配置的Sidelink接口HARQ反馈启用规则为该次动态调度的Sidelink接口资源使用的Sidelink接口HARQ反馈启用规则；
所述PDCCH命令为周期性调度资源命令时，所述配置的Sidelink接口HARQ反馈启用规则为周期性调度的Sidelink接口资源使用的Sidelink接口 HARQ反馈启用规则。
作为一种可选的实施方式，为Sidelink接口的终端配置的Sidelink接口HARQ反馈启用规则包括如下任一或任多个规则：
针对指定的Sidelink接口资源，启用或不启用HARQ反馈；
针对指定区域内的终端，启用或不启用HARQ反馈；
针对指定承载，启用或不启用HARQ反馈；
针对指定的逻辑信道，启用或不启用HARQ反馈；
针对满足设定业务特性的业务承载，启用或不启用HARQ反馈；
根据Sidelink接口的信道质量与设定门限值的比较，启用或不启用HARQ反馈；
根据Sidelink接口在设定周期内的数据重传次数，启用或不启用HARQ反馈；
根据Sidelink接口的调度传输机制，启用或不启用HARQ反馈。
作为一种可选的实施方式，所述指定的Sidelink接口资源为指定的频率资源，或者为指定的部分带宽BWP资源，或者指定的载波资源。
作为一种可选的实施方式，所述方法应用于基站或中继节点或基站单元的中心单元CU或单元分布式单元DU或用于调度终端间Sidelink传输的第三方终端为所述终端配置Sidelink接口的HARQ反馈启用规则。
基于同一发明构思，本申请实施例中还提供了一种终端确认HARQ反馈配置的方法，由于该方法对应的设备是本申请实施例一种基站指示HARQ反馈配置且终端确认HARQ反馈配置的系统中的终端，并且该方法解决问题的原理与该终端相似，因此该方法的实施可以参见系统的实施，重复之处不再赘述。
如图8所示，本申请实施例提供的一种终端确认HARQ反馈配置的方法包括：
步骤801：接收配置节点指示的配置Sidelink接口HARQ反馈启用规则；
步骤802：根据所述配置的Sidelink接口HARQ反馈启用规则，确定在 Sidelink接口启用或不启用HARQ反馈。
作为一种可选的实施方式，接收配置节点指示的配置Sidelink接口HARQ反馈启用规则，包括：
通过接收配置节点为所述终端配置Sidelink接口资源的广播消息，确定指示的配置的Sidelink接口HARQ反馈启用规则。
作为一种可选的实施方式，所述配置的Sidelink接口HARQ反馈启用规则，为所述终端使用所述配置Sidelink接口资源时使用的Sidelink接口HARQ反馈启用规则。
作为一种可选的实施方式，接收配置节点指示的配置Sidelink接口HARQ反馈启用规则，包括：
通过接收配置节点配置的Sidelink接口资源的专用RRC信令，确定指示的配置的Sidelink接口HARQ反馈启用规则。
作为一种可选的实施方式，还包括：
接收配置节点发送的去激活PDCCH命令，确定不启用配置的HARQ反馈启用规则；或者
接收配置节点发送的激活PDCCH命令，确定启用配置的HARQ反馈启用规则。
作为一种可选的实施方式，接收配置节点指示的配置Sidelink接口HARQ反馈启用规则，包括：
通过配置节点配置的MAC CE，确定指示的配置的Sidelink接口HARQ反馈启用规则。
作为一种可选的实施方式，通过接收配置节点配置的MAC CE，确定指示的配置的Sidelink接口HARQ反馈启用规则，包括：
通过配置节点配置的MAC CE中的子头中的指定指示位，确定指示的配置的Sidelink接口HARQ反馈启用规则；或者
通过配置节点配置的MAC CE中的指定内容，确定指示的配置的Sidelink接口HARQ反馈启用规则。
作为一种可选的实施方式，所述接收的配置节点配置的MAC CE中的子头中的指定指示位，用于采用固定值指示不启用HARQ反馈，或者用于采用不同的指示值分别指示启用HARQ反馈和不启用HARQ反馈。
作为一种可选的实施方式，所述配置节点配置的MAC CE中的指定内容包括：
启用或不启用HARQ反馈的Sidelink接口的无线承载标识；或者
启用或不启用HARQ反馈的Sidelink接口的业务数据的LCID；或者
启用或不启用HARQ反馈的用位图文件bitmap指示对应的RB；或者
启用或不启用HARQ反馈的数据QoS门限；或者
启用或不启用HARQ反馈的物理层信道质量门限参数；或者
启用或不启用HARQ反馈的物理层HARQ重传次数统计门限。
作为一种可选的实施方式，接收配置节点指示的配置Sidelink接口HARQ反馈启用规则，包括：
通过接收配置节点配置的Sidelink接口资源的PDCCH命令，确定指示的配置的Sidelink接口HARQ反馈启用规则。
作为一种可选的实施方式，所述PDCCH命令为动态调度资源命令时，所述配置的Sidelink接口HARQ反馈启用规则为该次动态调度的Sidelink接口资源使用的Sidelink接口HARQ反馈启用规则；
所述PDCCH命令为周期性调度资源命令时，所述配置的Sidelink接口HARQ反馈启用规则为周期性调度的Sidelink接口资源使用的Sidelink接口HARQ反馈启用规则。
作为一种可选的实施方式，所述配置的Sidelink接口HARQ反馈启用规则包括如下任一或任多个规则：
针对指定的Sidelink接口资源，启用或不启用HARQ反馈；
针对指定区域内的终端，启用或不启用HARQ反馈；
针对指定承载，启用或不启用HARQ反馈；
针对指定的逻辑信道，启用或不启用HARQ反馈；
针对满足设定业务特性的业务承载，启用或不启用HARQ反馈；
根据Sidelink接口的信道质量与设定门限值的比较，启用或不启用HARQ反馈；
根据Sidelink接口在设定周期内的数据重传次数，启用或不启用HARQ反馈；
根据Sidelink接口的调度传输机制，启用或不启用HARQ反馈。
作为一种可选的实施方式，所述指定的Sidelink接口资源为指定的频率资源，或者为指定的部分带宽BWP资源，或者指定的载波资源。
作为一种可选的实施方式，所述配置节点为基站或中继节点或基站单元的CU或单元DU或用于调度终端间Sidelink传输的第三方终端。
作为一种可选的实施方式，根据所述配置的Sidelink接口HARQ反馈启用规则，确定终端在Sidelink接口启用或不启用HARQ反馈之后，包括：
通知Sidelink接口上的对端终端启用或不启用sidelink接口上的HARQ反馈。
以上参照示出根据本申请实施例的方法、装置(系统)和/或计算机程序产品的框图和/或流程图描述本申请。应理解，可以通过计算机程序指令来实现框图和/或流程图示图的一个块以及框图和/或流程图示图的块的组合。可以将这些计算机程序指令提供给通用计算机、专用计算机的处理器和/或其它可编程数据处理装置，以产生机器，使得经由计算机处理器和/或其它可编程数据处理装置执行的指令创建用于实现框图和/或流程图块中所指定的功能/动作的方法。
相应地，还可以用硬件和/或软件(包括固件、驻留软件、微码等)来实施本申请。更进一步地，本申请可以采取计算机可使用或计算机可读存储介质上的计算机程序产品的形式，其具有在介质中实现的计算机可使用或计算机可读程序代码，以由指令执行系统来使用或结合指令执行系统而使用。在本申请上下文中，计算机可使用或计算机可读介质可以是任意介质，其可以包含、存储、通信、传输、或传送程序，以由指令执行系统、装置或设备使 用，或结合指令执行系统、装置或设备使用。
显然，本领域的技术人员可以对本申请进行各种改动和变型而不脱离本申请的精神和范围。这样，倘若本申请的这些修改和变型属于本申请权利要求及其等同技术的范围之内，则本申请也意图包含这些改动和变型在内。

Claims (55)

  1. 一种终端节点间混合自动重传请求HARQ反馈配置的方法，其特征在于，该方法包括：
    为终端配置直通链路Sidelink接口的HARQ反馈启用的规则；
    将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端，以使所述终端根据所述配置的Sidelink接口HARQ反馈启用规则，确定在Sidelink接口启用或不启用HARQ反馈。
  2. 根据权利要求1所述的方法，其特征在于，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端，包括：
    通过为所述终端配置Sidelink接口资源的广播消息，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端。
  3. 根据权利要求1所述的方法，其特征在于，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端，包括：
    通过为所述终端配置Sidelink接口资源的专用无线资源控制RRC信令，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端。
  4. 根据权利要求3所述的方法，其特征在于，还包括：
    向所述终端发送去激活物理下行控制信道PDCCH命令，以指示所述终端不启用配置的HARQ反馈启用规则；或者
    向所述终端发送激活PDCCH命令，以指示所述终端启用配置的HARQ反馈启用规则。
  5. 根据权利要求1所述的方法，其特征在于，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端，包括：
    通过为所述终端配置的媒体访问控制控制单元MAC CE，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端。
  6. 根据权利要求5所述的方法，其特征在于，通过为所述终端配置的MAC CE，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端， 包括：
    通过为终端配置的MAC CE中的子头中的LCID值，向终端指示是否启用Sidelink接口HARQ反馈；或者
    通过为终端配置的MAC CE中的指定内容，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端。
  7. 根据权利要求6所述的方法，其特征在于，所述为终端配置的MAC CE中的指定内容包括：
    启用或不启用HARQ反馈的Sidelink接口的无线承载RB标识；或者
    启用或不启用HARQ反馈的Sidelink接口的业务数据的逻辑信道标识LCID；或者
    用位图bitmap指示对应的RB启用或不启用HARQ反馈；或者
    启用或不启用HARQ反馈的数据服务质量QoS门限；或者
    启用或不启用HARQ反馈的物理层信道质量门限参数；或者
    启用或不启用HARQ反馈的物理层HARQ重传次数统计门限。
  8. 根据权利要求1所述的方法，其特征在于，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端，包括：
    通过为所述终端配置Sidelink接口资源的PDCCH命令，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端。
  9. 根据权利要求8所述的方法，其特征在于，
    所述PDCCH命令为动态调度资源命令时，所述配置的Sidelink接口HARQ反馈启用规则为该次动态调度的Sidelink接口资源使用的Sidelink接口HARQ反馈启用规则；
    所述PDCCH命令为周期性调度资源命令时，所述配置的Sidelink接口HARQ反馈启用规则为周期性调度的Sidelink接口资源使用的Sidelink接口HARQ反馈启用规则。
  10. 根据权利要求1所述的方法，其特征在于，为Sidelink接口的终端配置的Sidelink接口HARQ反馈启用规则包括如下任一或任多个规则：
    针对指定的Sidelink接口资源，启用或不启用HARQ反馈；
    针对指定区域内的终端，启用或不启用HARQ反馈；
    针对指定承载，启用或不启用HARQ反馈；
    针对指定的逻辑信道，启用或不启用HARQ反馈；
    针对满足设定业务特性的业务承载，启用或不启用HARQ反馈；
    根据Sidelink接口的信道质量与设定门限值的比较，启用或不启用HARQ反馈；
    根据Sidelink接口在设定周期内的数据重传次数，启用或不启用HARQ反馈；
    根据Sidelink接口的调度传输机制，启用或不启用HARQ反馈。
  11. 根据权利要求10所述的方法，其特征在于，所述指定的Sidelink接口资源为指定的频率资源，或者为指定的部分带宽BWP资源，或者指定的载波资源。
  12. 根据权利要求10所述的方法，其特征在于，所述方法应用于基站或中继节点或基站单元的中心单元CU或单元分布式单元DU或用于调度终端间Sidelink传输的第三方终端为所述终端配置Sidelink接口的HARQ反馈启用规则。
  13. 一种终端确认混合自动重传请求HARQ反馈配置的方法，其特征在于，该方法包括：
    接收配置节点指示的配置Sidelink接口HARQ反馈启用规则；
    根据所述配置的Sidelink接口HARQ反馈启用规则，确定在Sidelink接口启用或不启用HARQ反馈。
  14. 根据权利要求13所述的方法，其特征在于，接收配置节点指示的配置Sidelink接口HARQ反馈启用规则，包括：
    通过接收配置节点为所述终端配置Sidelink接口资源的广播消息，确定指示的配置的Sidelink接口HARQ反馈启用规则。
  15. 根据权利要求13所述的方法，其特征在于，所述配置的Sidelink接 口HARQ反馈启用规则，为所述终端使用所述配置Sidelink接口资源时使用的Sidelink接口HARQ反馈启用规则。
  16. 根据权利要求13所述的方法，其特征在于，接收配置节点指示的配置Sidelink接口HARQ反馈启用规则，包括：
    通过接收配置节点配置的Sidelink接口资源的专用RRC信令，确定指示的配置的Sidelink接口HARQ反馈启用规则。
  17. 根据权利要求16所述的方法，其特征在于，还包括：
    接收配置节点发送的去激活PDCCH命令，确定不启用配置的HARQ反馈启用规则；或者
    接收配置节点发送的激活PDCCH命令，确定启用配置的HARQ反馈启用规则。
  18. 根据权利要求13所述的方法，其特征在于，接收配置节点指示的配置Sidelink接口HARQ反馈启用规则，包括：
    通过配置节点配置的MAC CE，确定指示的配置的Sidelink接口HARQ反馈启用规则。
  19. 根据权利要求18所述的方法，其特征在于，通过接收配置节点配置的MAC CE，确定指示的配置的Sidelink接口HARQ反馈启用规则，包括：
    通过配置节点配置的MAC CE中的子头中的指定指示位，确定指示的配置的Sidelink接口HARQ反馈启用规则；或者
    通过配置节点配置的MAC CE中的指定内容，确定指示的配置的Sidelink接口HARQ反馈启用规则。
  20. 根据权利要求19所述的方法，其特征在于，所述接收的配置节点配置的MAC CE中的子头中的指定指示位，用于采用固定值指示不启用HARQ反馈，或者用于采用不同的指示值分别指示启用HARQ反馈和不启用HARQ反馈。
  21. 根据权利要求19所述的方法，其特征在于，所述配置节点配置的MAC CE中的指定内容包括：
    启用或不启用HARQ反馈的Sidelink接口的无线承载标识；或者
    启用或不启用HARQ反馈的Sidelink接口的业务数据的LCID；或者
    启用或不启用HARQ反馈的用位图文件bitmap指示对应的RB；或者
    启用或不启用HARQ反馈的数据QoS门限；或者
    启用或不启用HARQ反馈的物理层信道质量门限参数；或者
    启用或不启用HARQ反馈的物理层HARQ重传次数统计门限。
  22. 根据权利要求13所述的方法，其特征在于，接收配置节点指示的配置Sidelink接口HARQ反馈启用规则，包括：
    通过接收配置节点配置的Sidelink接口资源的PDCCH命令，确定指示的配置的Sidelink接口HARQ反馈启用规则。
  23. 根据权利要求22所述的方法，其特征在于，
    所述PDCCH命令为动态调度资源命令时，所述配置的Sidelink接口HARQ反馈启用规则为该次动态调度的Sidelink接口资源使用的Sidelink接口HARQ反馈启用规则；
    所述PDCCH命令为周期性调度资源命令时，所述配置的Sidelink接口HARQ反馈启用规则为周期性调度的Sidelink接口资源使用的Sidelink接口HARQ反馈启用规则。
  24. 根据权利要求13所述的方法，其特征在于，所述配置的Sidelink接口HARQ反馈启用规则包括如下任一或任多个规则：
    针对指定的Sidelink接口资源，启用或不启用HARQ反馈；
    针对指定区域内的终端，启用或不启用HARQ反馈；
    针对指定承载，启用或不启用HARQ反馈；
    针对指定的逻辑信道，启用或不启用HARQ反馈；
    针对满足设定业务特性的业务承载，启用或不启用HARQ反馈；
    根据Sidelink接口的信道质量与设定门限值的比较，启用或不启用HARQ反馈；
    根据Sidelink接口在设定周期内的数据重传次数，启用或不启用HARQ 反馈；
    根据Sidelink接口的调度传输机制，启用或不启用HARQ反馈。
  25. 根据权利要求24所述的方法，其特征在于，所述指定的Sidelink接口资源为指定的频率资源，或者为指定的部分带宽BWP资源，或者指定的载波资源。
  26. 根据权利要求13所述的方法，其特征在于，所述配置节点为基站或中继节点或基站单元的CU或单元DU或用于调度终端间Sidelink传输的第三方终端。
  27. 根据权利要求13所述的方法，其特征在于，根据所述配置的Sidelink接口HARQ反馈启用规则，确定终端在Sidelink接口启用或不启用HARQ反馈之后，包括：
    通知Sidelink接口上的对端终端启用或不启用sidelink接口上的HARQ反馈。
  28. 一种终端节点间混合自动重传请求HARQ反馈配置的设备，其特征在于，该设备包括处理器和存储器：
    其中，处理器，用于读取存储器中的程序并执行下列过程：
    为终端配置直通链路Sidelink接口的HARQ反馈启用的规则；
    将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端，以使所述终端根据所述配置的Sidelink接口HARQ反馈启用规则，确定在Sidelink接口启用或不启用HARQ反馈。
  29. 根据权利要求28所述的设备，其特征在于，所述处理器具体用于：
    通过为所述终端配置Sidelink接口资源的广播消息，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端。
  30. 根据权利要求28所述的设备，其特征在于，所述处理器具体用于：
    通过为所述终端配置Sidelink接口资源的专用无线资源控制RRC信令，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端。
  31. 根据权利要求30所述的设备，其特征在于，所述处理器具体还用于：
    向所述终端发送去激活物理下行控制信道PDCCH命令，以指示所述终端不启用配置的HARQ反馈启用规则；或者
    向所述终端发送激活PDCCH命令，以指示所述终端启用配置的HARQ反馈启用规则。
  32. 根据权利要求28所述的设备，其特征在于，所述处理器具体用于：
    通过为所述终端配置的媒体访问控制控制单元MAC CE，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端。
  33. 根据权利要求32所述的设备，其特征在于，所述处理器具体用于：
    通过为终端配置的MAC CE中的子头中的LCID值，向终端指示是否启用Sidelink接口HARQ反馈；或者
    通过为终端配置的MAC CE中的指定内容，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端。
  34. 根据权利要求33所述的设备，其特征在于，所述为终端配置的MACCE中的指定内容包括：
    启用或不启用HARQ反馈的Sidelink接口的无线承载标识；或者
    启用或不启用HARQ反馈的Sidelink接口的业务数据的逻辑信道标识LCID；或者
    用位图bitmap指示对应的RB启用或不启用HARQ反馈；或者
    启用或不启用HARQ反馈的数据服务质量QoS门限；或者
    启用或不启用HARQ反馈的物理层信道质量门限参数；或者
    启用或不启用HARQ反馈的物理层HARQ重传次数统计门限。
  35. 根据权利要求28所述的设备，其特征在于，所述处理器具体用于：
    通过为所述终端配置Sidelink接口资源的PDCCH命令，将所述配置的Sidelink接口HARQ反馈启用规则指示给所述终端。
  36. 根据权利要求35所述的设备，其特征在于，
    所述PDCCH命令为动态调度资源命令时，所述配置的Sidelink接口HARQ反馈启用规则为该次动态调度的Sidelink接口资源使用的Sidelink接口 HARQ反馈启用规则；
    所述PDCCH命令为周期性调度资源命令时，所述配置的Sidelink接口HARQ反馈启用规则为周期性调度的Sidelink接口资源使用的Sidelink接口HARQ反馈启用规则。
  37. 根据权利要求28所述的设备，其特征在于，为Sidelink接口的终端配置的Sidelink接口HARQ反馈启用规则包括如下任一或任多个规则：
    针对指定的Sidelink接口资源，启用或不启用HARQ反馈；
    针对指定区域内的终端，启用或不启用HARQ反馈；
    针对指定承载，启用或不启用HARQ反馈；
    针对指定的逻辑信道，启用或不启用HARQ反馈；
    针对满足设定业务特性的业务承载，启用或不启用HARQ反馈；
    根据Sidelink接口的信道质量与设定门限值的比较，启用或不启用HARQ反馈；
    根据Sidelink接口在设定周期内的数据重传次数，启用或不启用HARQ反馈；
    根据Sidelink接口的调度传输机制，启用或不启用HARQ反馈。
  38. 根据权利要求37所述的设备，其特征在于，所述指定的Sidelink接口资源为指定的频率资源，或者为指定的部分带宽BWP资源，或者指定的载波资源。
  39. 根据权利要求37所述的设备，其特征在于，所述设备应用于基站或中继节点或基站单元的中心单元CU或单元分布式单元DU或用于调度终端间Sidelink传输的第三方终端为所述终端配置Sidelink接口的HARQ反馈启用规则。
  40. 一种终端确认混合自动重传请求HARQ反馈配置的设备，其特征在于，该设备包括处理器和存储器：
    其中，处理器，用于读取存储器中的程序并执行下列过程：
    接收配置节点指示的配置Sidelink接口HARQ反馈启用规则；
    根据所述配置的Sidelink接口HARQ反馈启用规则，确定在Sidelink接口启用或不启用HARQ反馈。
  41. 根据权利要求40所述的设备，其特征在于，所述处理器具体用于：
    通过接收配置节点为所述终端配置Sidelink接口资源的广播消息，确定指示的配置的Sidelink接口HARQ反馈启用规则。
  42. 根据权利要求40所述的设备，其特征在于，所述配置的Sidelink接口HARQ反馈启用规则，为所述终端使用所述配置Sidelink接口资源时使用的Sidelink接口HARQ反馈启用规则。
  43. 根据权利要求40所述的设备，其特征在于，所述处理器具体用于：
    通过接收配置节点配置的Sidelink接口资源的专用RRC信令，确定指示的配置的Sidelink接口HARQ反馈启用规则。
  44. 根据权利要求43所述的设备，其特征在于，所述处理器具体还用于：
    接收配置节点发送的去激活PDCCH命令，确定不启用配置的HARQ反馈启用规则；或者
    接收配置节点发送的激活PDCCH命令，确定启用配置的HARQ反馈启用规则。
  45. 根据权利要求40所述的设备，其特征在于，所述处理器具体用于：
    通过配置节点配置的MAC CE，确定指示的配置的Sidelink接口HARQ反馈启用规则。
  46. 根据权利要求45所述的设备，其特征在于，所述处理器具体用于：
    通过配置节点配置的MAC CE中的子头中的指定指示位，确定指示的配置的Sidelink接口HARQ反馈启用规则；或者
    通过配置节点配置的MAC CE中的指定内容，确定指示的配置的Sidelink接口HARQ反馈启用规则。
  47. 根据权利要求46所述的设备，其特征在于，所述接收的配置节点配置的MAC CE中的子头中的指定指示位，用于采用固定值指示不启用HARQ反馈，或者用于采用不同的指示值分别指示启用HARQ反馈和不启用HARQ 反馈。
  48. 根据权利要求46所述的设备，其特征在于，所述配置节点配置的MAC CE中的指定内容包括：
    启用或不启用HARQ反馈的Sidelink接口的无线承载标识；或者
    启用或不启用HARQ反馈的Sidelink接口的业务数据的LCID；或者
    启用或不启用HARQ反馈的用位图文件bitmap指示对应的RB；或者
    启用或不启用HARQ反馈的数据QoS门限；或者
    启用或不启用HARQ反馈的物理层信道质量门限参数；或者
    启用或不启用HARQ反馈的物理层HARQ重传次数统计门限。
  49. 根据权利要求40所述的设备，其特征在于，接收配置节点指示的配置Sidelink接口HARQ反馈启用规则，包括：
    通过接收配置节点配置的Sidelink接口资源的PDCCH命令，确定指示的配置的Sidelink接口HARQ反馈启用规则。
  50. 根据权利要求49所述的设备，其特征在于，
    所述PDCCH命令为动态调度资源命令时，所述配置的Sidelink接口HARQ反馈启用规则为该次动态调度的Sidelink接口资源使用的Sidelink接口HARQ反馈启用规则；
    所述PDCCH命令为周期性调度资源命令时，所述配置的Sidelink接口HARQ反馈启用规则为周期性调度的Sidelink接口资源使用的Sidelink接口HARQ反馈启用规则。
  51. 根据权利要求40所述的设备，其特征在于，所述配置的Sidelink接口HARQ反馈启用规则包括如下任一或任多个规则：
    针对指定的Sidelink接口资源，启用或不启用HARQ反馈；
    针对指定区域内的终端，启用或不启用HARQ反馈；
    针对指定承载，启用或不启用HARQ反馈；
    针对指定的逻辑信道，启用或不启用HARQ反馈；
    针对满足设定业务特性的业务承载，启用或不启用HARQ反馈；
    根据Sidelink接口的信道质量与设定门限值的比较，启用或不启用HARQ反馈；
    根据Sidelink接口在设定周期内的数据重传次数，启用或不启用HARQ反馈；
    根据Sidelink接口的调度传输机制，启用或不启用HARQ反馈。
  52. 根据权利要求51所述的设备，其特征在于，所述指定的Sidelink接口资源为指定的频率资源，或者为指定的部分带宽BWP资源，或者指定的载波资源。
  53. 根据权利要求40所述的设备，其特征在于，所述配置节点为基站或中继节点或基站单元的CU或单元DU或用于调度终端间Sidelink传输的第三方终端。
  54. 根据权利要求40所述的设备，其特征在于，根据所述配置的Sidelink接口HARQ反馈启用规则，确定终端在Sidelink接口启用或不启用HARQ反馈之后，所述处理器用于：
    通知Sidelink接口上的对端终端启用或不启用sidelink接口上的HARQ反馈。
  55. 一种计算机存储介质，其上存储有计算机程序，其特征在于，该程序被处理器执行时实现如权利要求1～12任一所述方法的步骤或如权利要求13～27任一所述方法的步骤。
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US11588583B2 (en) 2023-02-21
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EP3910839A4 (en) 2022-04-13
JP2022516807A (ja) 2022-03-02
CN111431671B (zh) 2022-04-12
JP2023182679A (ja) 2023-12-26
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CN111431671A (zh) 2020-07-17
KR102639678B1 (ko) 2024-02-21

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