WO2022141044A1 - Procédé et appareil de configuration de ressources de rétroaction harq sur la base de sdt, et dispositif - Google Patents

Procédé et appareil de configuration de ressources de rétroaction harq sur la base de sdt, et dispositif Download PDF

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Publication number
WO2022141044A1
WO2022141044A1 PCT/CN2020/140791 CN2020140791W WO2022141044A1 WO 2022141044 A1 WO2022141044 A1 WO 2022141044A1 CN 2020140791 W CN2020140791 W CN 2020140791W WO 2022141044 A1 WO2022141044 A1 WO 2022141044A1
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WIPO (PCT)
Prior art keywords
pucch resource
terminal device
harq feedback
pucch
configuration information
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PCT/CN2020/140791
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English (en)
Chinese (zh)
Inventor
王淑坤
林雪
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Oppo广东移动通信有限公司
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Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to CN202080107488.1A priority Critical patent/CN116602039A/zh
Priority to PCT/CN2020/140791 priority patent/WO2022141044A1/fr
Publication of WO2022141044A1 publication Critical patent/WO2022141044A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/02—Arrangements for increasing efficiency of notification or paging channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA

Definitions

  • the embodiments of the present application relate to the field of communication technologies, and in particular, to a method, apparatus and device for configuring HARQ (Hybrid Automatic Repeat reQuest, hybrid automatic repeat request) feedback resources based on SDT (Small Data Transmission, small packet data transmission).
  • HARQ Hybrid Automatic Repeat reQuest, hybrid automatic repeat request
  • SDT Small Data Transmission, small packet data transmission
  • SDT is supported between the terminal device and the network device, that is, the transmission of small packet data.
  • the SDT process how to ensure the reliability of small packet data reception is an urgent problem to be solved.
  • the embodiments of the present application provide an SDT-based HARQ feedback resource configuration method, apparatus, and device.
  • the technical solution is as follows:
  • an SDT-based HARQ feedback resource configuration method is provided, applied to a terminal device, and the method includes:
  • Receive configuration information where the configuration information is used to configure PUCCH (Physical Uplink Control Channel, Physical Uplink Control Channel) resources for sending HARQ feedback in the SDT process.
  • PUCCH Physical Uplink Control Channel, Physical Uplink Control Channel
  • an SDT-based HARQ feedback resource configuration method is provided, which is applied to a network device, and the method includes:
  • an apparatus for configuring HARQ feedback resources based on SDT includes:
  • a configuration information receiving module configured to receive configuration information, where the configuration information is used to configure PUCCH resources for sending HARQ feedback in the SDT process.
  • an apparatus for configuring HARQ feedback resources based on SDT includes:
  • a configuration information sending module configured to send configuration information to the terminal device, where the configuration information is used to configure the PUCCH resources for sending HARQ feedback in the SDT process.
  • a terminal device includes a processor and a transceiver connected to the processor; wherein:
  • the transceiver is configured to receive configuration information, where the configuration information is used to configure PUCCH resources for sending HARQ feedback in the SDT process.
  • a network device includes a processor and a transceiver connected to the processor; wherein:
  • the transceiver is configured to send configuration information to the terminal device, where the configuration information is used to configure PUCCH resources for sending HARQ feedback in the SDT process.
  • a computer-readable storage medium where a computer program is stored in the storage medium, and the computer program is used to be executed by a processor of a terminal device to implement the above-mentioned terminal device-side method.
  • a computer-readable storage medium where a computer program is stored in the storage medium, and the computer program is configured to be executed by a processor of a network device to implement the above-mentioned network device-side storage medium.
  • a chip is provided, the chip includes a programmable logic circuit and/or program instructions, and when the chip runs on a terminal device, it is used to implement the above method on the terminal device side.
  • a chip is provided, the chip includes a programmable logic circuit and/or program instructions, and when the chip runs on a network device, it is used to implement the above method on the network device side.
  • a computer program product which when the computer program product runs on a processor of a terminal device, enables the terminal device to execute the above method on the terminal device side.
  • a computer program product which, when the computer program product runs on a processor of a network device, enables the network device to execute the above method on the network device side.
  • the terminal device can use the above PUCCH resource for HARQ feedback for the received small packet data, thereby providing a HARQ feedback mechanism for receiving small packet data, ensuring that small packets are received. Reliability of data reception.
  • FIG. 1 is a schematic diagram of a network architecture provided by an embodiment of the present application.
  • FIG. 2 is a schematic diagram of RRC state switching provided by an embodiment of the present application.
  • FIG. 3 is a flowchart of an SDT-based HARQ feedback resource configuration method provided by an embodiment of the present application
  • FIG. 4 is a flowchart of a method for configuring a SDT-based HARQ feedback resource provided by another embodiment of the present application.
  • FIG. 5 is a flowchart of a method for configuring an SDT-based HARQ feedback resource provided by another embodiment of the present application
  • FIG. 6 is a flowchart of a method for configuring an SDT-based HARQ feedback resource provided by another embodiment of the present application.
  • FIG. 7 is a block diagram of an apparatus for configuring an SDT-based HARQ feedback resource provided by an embodiment of the present application
  • FIG. 8 is a block diagram of an apparatus for configuring an SDT-based HARQ feedback resource provided by another embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of a terminal device provided by an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a network device provided by an embodiment of the present application.
  • the network architecture and service scenarios described in the embodiments of the present application are for the purpose of illustrating the technical solutions of the embodiments of the present application more clearly, and do not constitute a limitation on the technical solutions provided by the embodiments of the present application.
  • the evolution of new business scenarios and the emergence of new business scenarios, the technical solutions provided in the embodiments of the present application are also applicable to similar technical problems.
  • FIG. 1 shows a schematic diagram of a network architecture 100 provided by an embodiment of the present application.
  • the network architecture 100 may include: a terminal device 10 , an access network device 20 and a core network device 30 .
  • the terminal device 10 may refer to a UE (User Equipment, user equipment), an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a wireless communication device, a user agent or a user equipment.
  • UE User Equipment
  • an access terminal a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a wireless communication device, a user agent or a user equipment.
  • the terminal device 10 may also be a cellular phone, a cordless phone, a SIP (Session Initiation Protocol, session initiation protocol) phone, a WLL (Wireless Local Loop, wireless local loop) station, a PDA (Personal Digital Assistant, personal digital processing) , handheld devices with wireless communication functions, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in 5GS (5th Generation System, fifth generation mobile communication system) or future evolution of PLMN (Pub1ic Land Mobi1e Network, public land mobile communication network) terminal equipment and the like, which are not limited in this embodiment of the present application.
  • the devices mentioned above are collectively referred to as terminal devices.
  • the number of terminal devices 10 is usually multiple, and one or more terminal devices 10 may be distributed in a cell managed by each access network device 20 .
  • the access network device 20 is a device deployed in the access network to provide the terminal device 10 with a wireless communication function.
  • the access network equipment 20 may include various forms of macro base stations, micro base stations, relay stations, access points, and the like.
  • the names of devices with access network device functions may be different, for example, in 5G NR systems, they are called gNodeBs or gNBs.
  • the name "Access Network Equipment” may change.
  • the above-mentioned apparatuses for providing a wireless communication function for the terminal device 10 are collectively referred to as access network devices.
  • a communication relationship can be established between the terminal device 10 and the core network device 30.
  • the access network device 20 may be EUTRAN (Evolved Universal Terrestrial Radio Access Network, Evolved Universal Terrestrial Radio Access Network) or one or more eNodeBs in EUTRAN;
  • EUTRAN Evolved Universal Terrestrial Radio Access Network
  • the access network device 20 may be a RAN (Radio Access Network, radio access network) or one or more gNBs in the RAN.
  • the network device refers to the access network device 20 unless otherwise specified.
  • the functions of the core network device 30 are mainly to provide user connection, manage users, and carry out services, and serve as an interface for the bearer network to provide an external network.
  • the core network equipment in the 5G NR system may include AMF (Access and Mobility Management Function) entity, UPF (User Plane Function, user plane function) entity and SMF (Session Management Function, session management function) entity function) entity and other equipment.
  • AMF Access and Mobility Management Function
  • UPF User Plane Function, user plane function
  • SMF Session Management Function, session management function
  • the access network device 20 and the core network device 30 communicate with each other through a certain air interface technology, such as the NG interface in the 5G NR system.
  • the access network device 20 and the terminal device 10 communicate with each other through a certain air interface technology, such as a Uu interface.
  • the "5G NR system" in the embodiments of this application may also be referred to as a 5G system or an NR system, but those skilled in the art can understand its meaning.
  • the technical solutions described in the embodiments of this application may be applicable to the 5G NR system, and may also be applicable to the subsequent evolution system of the 5G NR system.
  • the main application scenarios of the 5G NR system include eMBB (Enhanced Mobile Broadband, enhanced mobile bandwidth), URLLC (Ultra Reliable Low Latency Communication, ultra-reliable low-latency communication) and mMTC (Massive Machine Type Communication, large-scale machine type communication).
  • eMBB Enhanced Mobile Broadband, enhanced mobile bandwidth
  • URLLC Ultra Reliable Low Latency Communication, ultra-reliable low-latency communication
  • mMTC Massive Machine Type Communication, large-scale machine type communication.
  • eMBB is still aimed at users' access to multimedia content, services and data, and its demand is growing rapidly.
  • eMBB may be deployed in different scenarios, such as indoors, urban areas, and rural areas, its capabilities and requirements are also quite different. Therefore, it cannot be generalized and must be analyzed in detail in conjunction with specific deployment scenarios.
  • Typical applications of URLLC include industrial automation, power automation, telemedicine operations (surgery), traffic safety assurance, etc.
  • Typical features of mMTC include high connection density, small data volume, latency-insensitive services, low cost of modules, and long service life.
  • RRC_INACTIVE Radio Resource Control
  • RRC_INACTIVE Radio Resource Control
  • RRC inactive state This state is different from the RRC_IDLE state (also called the RRC idle state) and the RRC_ACTIVE state (also called the RRC connected state).
  • RRC_IDLE state mobility is UE-based cell selection reselection, paging is initiated by CN (Core Network, core network), and the paging area is configured by CN. There is no UE AS (Access Stratum, access stratum) context on the base station side. Also, there is no RRC connection.
  • CN Core Network, core network
  • UE AS Access Stratum, access stratum
  • RRC_CONNECTED state There is an RRC connection, and the base station and the UE have a UE AS context.
  • the network side knows that the location of the UE is at the specific cell level. Mobility is the mobility controlled by the network side. Unicast data can be transmitted between the UE and the base station.
  • RRC_INACTIVE state mobility is UE-based cell selection reselection, there is a connection between CN-NR, UE AS context exists on a certain base station, paging is triggered by RAN, RAN-based paging area is managed by RAN, network side Knowing the location of the UE is based on the paging area level of the RAN.
  • the network side can control the state transition of the UE. As shown in FIG. 2 , the network side can control the UE to switch between the RRC_IDLE state, the RRC_CONNECTED state and the RRC_INACTIVE state.
  • the UE When the UE is in the RRC_INACTIVE state, the UE will return to the RRC_IDLE state autonomously in the following situations:
  • the RRC_INACTIVE state includes the following characteristics:
  • the UE and at least one base station save the AS context
  • the UE is reachable to the RAN side, and the relevant parameters are configured by the RAN;
  • RNA RAN Notification Area, RAN notification area
  • the UE moves within the RNA according to the cell selection reselection method.
  • the network side When the UE is in the RRC_INACTIVE state, the network side will configure the RRC_INACTIVE state configuration parameters for the UE through the RRC Release dedicated signaling.
  • the main parameters include: I-RNTI (Inactive-Radio Network Tempory Identity, inactive-wireless network temporary identity), used for The UE inactive context that identifies the UE on the base station side is unique within the base station.
  • the RNA is used to control the area where the UE performs cell selection reselection in the RRC_INACTIVE state, and is also the paging range area for the initial paging of the RAN.
  • RAN DRX cycle (RAN Discontinuous Reception cycle, RAN discontinuous reception cycle) is used to calculate the paging occasion of RAN initial paging.
  • RNAU periodicity (RAN Notification Area Update periodicity, RAN Notification Area Update Period) is a period used to control the UE to perform periodic RAN location update.
  • NCC Network (PLMN) Colour Code, Network (PLMN) Color Code
  • PLMN Network
  • the UE When the UE moves in the RNA area, it does not need to notify the network side, and follows the mobility behavior in the RRC_IDLE state, that is, the principle of cell selection and reselection.
  • the UE When the UE moves out of the paging area configured by the RAN, the UE will be triggered to restore the RRC connection and re-acquire the paging area configured by the RAN.
  • the base station that maintains the connection between the RAN and the CN for the UE will trigger all cells in the RAN paging area to send a paging message to the UE, so that the UE in the RRC_INACTIVE state can restore the RRC connection and receive data.
  • the UE in the RRC_INACTIVE state is configured with a RAN paging area. In this area, in order to ensure the reachability of the UE, the UE needs to perform periodic location update according to the period configured by the network.
  • the scenarios that trigger the UE to perform the RNA update are that the RNAU timer expires or the UE moves to an area outside the RNA.
  • the anchor base station determines whether the context of the UE needs to be transferred to the target base station side. Therefore, in general, the target base station will send the cause value carried in the RRC connection recovery request message initiated by the UE to the anchor base station during the UE context request process, and the anchor base station will decide whether to transfer the UE context to the target base station side. For example, periodic RAN location updates generally do not require context transfers.
  • EDT Early Data Transmission, early data transmission
  • user plane data is transmitted in DTCH (Dedicated Transmission Channel, dedicated transmission channel)
  • CCCH Common Control Channel, common control channel
  • MSG3 RRCConnectionResumeRequest
  • MAC Medium Access Control, medium access control
  • small-packet data transmission is supported in the LTE system
  • the small-packet data transmission in the LTE system is used for specific scenarios, such as the type of non-connected terminal. Transmission type. Therefore, in the small packet data transmission of the LTE system, data transmission of one data packet is supported.
  • the technical solutions provided by the embodiments of the present application configure the terminal equipment with PUCCH resources for sending HARQ feedback during the SDT process, so that the terminal equipment can use the above PUCCH resources to perform HARQ feedback for received small packet data, thereby providing a method for small packets.
  • the HARQ feedback mechanism for data reception ensures the reliability of small packet data reception.
  • the present application provides a HARQ feedback mechanism for receiving multiple small packets of data in the RRC_INACTIVE state, so as to ensure the reliability of small packet data reception.
  • FIG. 3 shows a flowchart of a method for configuring an SDT-based HARQ feedback resource provided by an embodiment of the present application, and the method can be applied to the network architecture shown in FIG. 1 .
  • the method may include the following steps:
  • Step 310 The terminal device receives configuration information, where the configuration information is used to configure PUCCH resources for sending HARQ feedback in the SDT process.
  • the network device sends the configuration information to the terminal device, and accordingly, the terminal device receives the configuration information from the network device.
  • the network device in the cell sends the above configuration information to the terminal device in the cell.
  • the above configuration information is system broadcast information, such as a SIB1 (System Information Block, system information block 1) message.
  • SIB1 System Information Block, system information block 1
  • the configuration information may be used to configure one PUCCH resource group, or may also be used to configure multiple PUCCH resource groups.
  • a PUCCH resource group refers to a resource set composed of multiple PUCCH resources.
  • Each PUCCH resource group may include multiple PUCCH resources.
  • the maximum number of PUCCH resources included in each PUCCH resource group is 16. Certainly, in some other embodiments, the maximum number may also be set to other values, which are not limited in this embodiment of the present application.
  • the PUCCH resources dedicated to sending HARQ feedback in the SDT process and the PUCCH resources used for other processes share the same set of configuration parameters. In this way, it helps to save signaling overhead.
  • the PUCCH resources dedicated to sending HARQ feedback in the SDT process and the PUCCH resources used for other processes have their own independent configuration parameters. In this way, it is helpful to improve the flexibility of the two PUCCH resource configurations.
  • the above configuration parameters include but are not limited to at least one of the following: hoppingId, p0-nominal, pucch-GroupHopping, and pucch-ResourceCommon.
  • hoppingId is the cell-specific scrambling ID used for group hopping and sequence hopping.
  • p0-nominal is a power control parameter for PUCCH transmission.
  • pucch-GroupHopping is a configuration parameter for group hopping and sequence hopping. The value of either means neither group hopping nor sequence hopping is enabled; the value is enable means that group hopping is enabled but sequence hopping is not enabled, and the value is disable Indicates that group hopping is not enabled but sequence hopping is enabled.
  • pucch-ResourceCommon is a PUCCH resource/parameter used to configure a specific cell.
  • the terminal device is in the RRC inactive state, that is, the RRC_INACTIVE state, so as to implement the HARQ feedback mechanism for small packet data reception when the terminal device is in the RRC inactive state, and ensure the reliability of small packet data reception.
  • the technical solutions provided by the embodiments of the present application configure the terminal equipment with PUCCH resources for sending HARQ feedback during the SDT process, so that the terminal equipment can use the above PUCCH resources to perform HARQ feedback for received small packet data, thereby providing A HARQ feedback mechanism for small packet data reception is proposed to ensure the reliability of small packet data reception.
  • FIG. 4 shows a flowchart of a method for configuring an SDT-based HARQ feedback resource provided by another embodiment of the present application, and the method can be applied to the network architecture shown in FIG. 1 .
  • the method may include the following steps (410-440):
  • Step 410 The terminal device receives first configuration information, where the first configuration information is used to configure a PUCCH resource group.
  • the network device sends the first configuration information to the terminal device, and accordingly, the terminal device receives the first configuration information from the network device.
  • the foregoing first configuration information is system broadcast information, such as a SIB1 message.
  • the network device of the cell sends a SIB1 message to the terminal device in the cell, where the SIB1 message includes the above-mentioned first configuration information.
  • the first configuration information is recorded as pucch-ResourceCommonForSDT, and the configuration path of the first configuration information may be as follows:
  • pucch-ConfigCommon As shown below, under pucch-ConfigCommon, include pucch-ResourceCommonForSDT:
  • the first configuration information pucch-ResourceCommonForSDT is only used for HARQ feedback received by the SDT.
  • Step 420 The terminal device determines a PUCCH resource group according to a set of configuration parameters corresponding to an index value included in the first configuration information.
  • the first configuration information includes an index value, where the index value corresponds to a set of configuration parameters.
  • the terminal device can store at least one set of correspondences between index values and configuration parameters. After acquiring the index values included in the first configuration information, the terminal device queries the above correspondences, and determines the corresponding relationship to the acquired index values. A set of configuration parameters, and then based on the determined set of configuration parameters, a PUCCH resource group is further determined.
  • the correspondence between the above at least one set of index values and configuration parameters may be configured by a network device, or may be predefined by a protocol, which is not limited in this embodiment of the present application.
  • a PUCCH resource group refers to a resource set composed of multiple PUCCH resources.
  • Each PUCCH resource group may include multiple PUCCH resources.
  • the maximum number of PUCCH resources included in each PUCCH resource group is 16. Certainly, in some other embodiments, the maximum number may also be set to other values, which are not limited in this embodiment of the present application.
  • Step 430 The terminal device receives first downlink control information, where the first downlink control information is used to indicate one PUCCH resource from the above-mentioned one PUCCH resource group.
  • the network device sends the first downlink control information to the terminal device, and correspondingly, the terminal device receives the first downlink control information from the network device.
  • the first downlink control information may be DCI (Downlink Control Information, downlink control information) sent on a PDCCH (Physical Downlink Control Channel, physical downlink control channel).
  • a PUCCH resource group includes 16 PUCCH resources, and the sequence numbers of the 16 PUCCH resources are 0 to 15 in sequence. Assuming that the first downlink control information includes sequence number 4, it means that the network device indicates to the terminal device that the sequence number is 4. HARQ feedback is performed on the PUCCH resources.
  • Step 440 the terminal device transmits the HARQ feedback received on the downlink SDT on the PUCCH resource determined by the first downlink control information.
  • the terminal device determines to use the PUCCH resource with sequence number 4 for HARQ feedback based on the first downlink control information, then when the terminal device has a HARQ feedback requirement for downlink SDT, the PUCCH resource with sequence number 4 is used for HARQ feedback.
  • the HARQ feedback received on the downlink SDT is sent to the network device.
  • the technical solutions provided by the embodiments of the present application configure a terminal device with a set of PUCCH resources for sending HARQ feedback during the SDT process, and indicate to the terminal device the number of PUCCH resources in the set of PUCCH resources used for HARQ feedback for SDT reception.
  • a PUCCH resource so that the terminal device can use the determined PUCCH resource for HARQ feedback when there is a HARQ feedback requirement for downlink SDT, thereby providing a HARQ feedback mechanism for small packet data reception and ensuring the reliability of small packet data reception.
  • FIG. 5 shows a flowchart of a method for configuring an SDT-based HARQ feedback resource provided by another embodiment of the present application, and the method can be applied to the network architecture shown in FIG. 1 .
  • the method may include the following steps (510-560):
  • Step 510 The terminal device receives second configuration information, where the second configuration information is used to configure multiple PUCCH resource groups.
  • the network device sends the second configuration information to the terminal device, and accordingly, the terminal device receives the second configuration information from the network device.
  • the foregoing second configuration information is system broadcast information, such as a SIB1 message.
  • the network device of the cell sends a SIB1 message to the terminal device in the cell, where the SIB1 message includes the above-mentioned second configuration information.
  • the second configuration information is recorded as pucch-ResourceCommonForSDTList, and the configuration path of the second configuration information may be as follows:
  • pucch-ConfigCommon As shown below, under pucch-ConfigCommon, include pucch-ResourceCommonForSDTList:
  • the second configuration information pucch-ResourceCommonForSDTList is only used for HARQ feedback for SDT reception.
  • maxPUCCHSDT represents the maximum number of PUCCH resource groups configured for SDT, for example, 4.
  • each PUCCH resource group in pucch-ResourceCommonForSDTList can generate PUCCH resources for SDT reception feedback.
  • the maximum number of PUCCH resources included in each PUCCH resource group is 16.
  • the maximum number may also be set to other values, which are not limited in this embodiment of the present application.
  • the terminal device when selecting PUCCH resources for HARQ feedback, the terminal device needs to determine which PUCCH resource group to use among the multiple PUCCH resource groups. In this embodiment, the terminal device performs the determination in the manner provided by the following steps 520 to 540 .
  • Step 520 the terminal device determines multiple PUCCH resource groups according to the configuration parameters corresponding to the multiple index values included in the second configuration information.
  • the second configuration information includes multiple index values, and each index value corresponds to a set of configuration parameters.
  • the terminal device may store at least one set of correspondences between index values and configuration parameters. After acquiring the plurality of index values contained in the second configuration information, the terminal device queries the above-mentioned correspondences, and determines the corresponding relationship with the obtained plurality of index values. configuration parameters corresponding to the index values respectively, and then based on the determined multiple sets of configuration parameters, multiple PUCCH resource groups are further determined.
  • the correspondence between the above at least one group of index values and configuration parameters may be configured by a network device, or may be predefined by a protocol, which is not limited in this embodiment of the present application.
  • Step 530 The terminal device determines the first serial number value based on its own identification information.
  • the identification information of the terminal device is used to uniquely identify the terminal device.
  • the identification information of the terminal device is any one of the following: I-RNTI, C-RNTI (Cell-Radio Network Tempory Identity, cell-wireless network temporary identity).
  • I-RNTI International Mobile Radio Network Tempory Identity
  • C-RNTI Cell-Radio Network Tempory Identity
  • cell-wireless network temporary identity cell-wireless network temporary identity
  • the terminal device determines a remainder obtained by dividing its own identification information by the number of PUCCH resource groups as the first serial number value.
  • the identification information as I-RNTI it is assumed that the number of PUCCH resource groups configured by the network device through the foregoing second configuration information is M, that is, the number of configurations included in pucch-ResourceCommonForSDTList.
  • the identification information as C-RNTI it is assumed that the number of PUCCH resource groups configured by the network device through the foregoing second configuration information is M, that is, the number of configurations included in pucch-ResourceCommonForSDTList.
  • Step 540 the terminal equipment determines the PUCCH resource group whose number value is the first number value among the multiple PUCCH resource groups as the available PUCCH resource group for the terminal equipment to send HARQ feedback.
  • the above-mentioned multiple PUCCH resource groups are numbered sequentially from 0 in the order in the list. Assuming that the number of PUCCH resource groups configured in pucch-ResourceCommonForSDTList is M, the numbers of the M PUCCH resource groups are sequentially from 0 to M-1.
  • the number of PUCCH resource groups configured in pucch-ResourceCommonForSDTList is 4, and the number values of these 4 PUCCH resource groups are 0, 1, 2, and 3 in sequence.
  • the terminal device determines the PUCCH resource group with the number value of 2 in the four PUCCH resource groups as the available PUCCH resource group for the terminal device to send HARQ feedback.
  • Step 550 The terminal device receives second downlink control information, where the second downlink control information is used to indicate one PUCCH resource from one selected PUCCH resource group.
  • the network device sends the second downlink control information to the terminal device, and accordingly, the terminal device receives the second downlink control information from the network device.
  • the second downlink control information may be DCI sent on the PDCCH.
  • a PUCCH resource group includes 16 PUCCH resources, and the sequence numbers of the 16 PUCCH resources are 0 to 15 in sequence. Assuming that the second downlink control information includes sequence number 8, it means that the network device indicates to the terminal device to use the sequence number 8. PUCCH resources are used for HARQ feedback.
  • Step 560 the terminal device transmits the HARQ feedback received on the downlink SDT on the PUCCH resource determined by the second downlink control information.
  • the terminal device determines to use the PUCCH resource with the sequence number 8 for HARQ feedback, then when the terminal device has the HARQ feedback requirement for the downlink SDT, the PUCCH resource group with the number value 2 is used for HARQ feedback. On the PUCCH resource whose sequence number is 8, the HARQ feedback received on the downlink SDT is sent to the network device.
  • the terminal equipment can determine an available PUCCH resource group based on its own identification information, And the network device indicates to the terminal device a PUCCH resource in the PUCCH resource group used for HARQ feedback for SDT reception, so that when the terminal device has a HARQ feedback requirement for downlink SDT, it uses the available PUCCH resource group determined in the above.
  • HARQ feedback is performed on the PUCCH resources, thereby providing a HARQ feedback mechanism for small packet data reception and ensuring the reliability of small packet data reception.
  • FIG. 6 shows a flowchart of a method for configuring an SDT-based HARQ feedback resource provided by another embodiment of the present application, and the method can be applied to the network architecture shown in FIG. 1 .
  • the method may include the following steps (610-640):
  • Step 610 The terminal device receives second configuration information, where the second configuration information is used to configure multiple PUCCH resource groups.
  • the network device sends the second configuration information to the terminal device, and accordingly, the terminal device receives the second configuration information from the network device.
  • the second configuration information For an introduction and description of the second configuration information, reference may be made to the above-mentioned embodiment in FIG. 5 , which is not repeated in this embodiment.
  • Step 620 The terminal device determines multiple PUCCH resource groups according to the configuration parameters corresponding to the multiple index values included in the second configuration information.
  • Step 620 is the same as step 520 in the embodiment of FIG. 5 .
  • Step 620 is the same as step 520 in the embodiment of FIG. 5 .
  • Step 630 the terminal device receives third downlink control information, where the third downlink control information is used to indicate a selected PUCCH resource group from multiple PUCCH resource groups, and is used to indicate a PUCCH resource group from a selected PUCCH resource group. PUCCH resources.
  • the network device sends the third downlink control information to the terminal device, and accordingly, the terminal device receives the third downlink control information from the network device.
  • the third downlink control information may be DCI sent on the PDCCH.
  • the network device selects one PUCCH resource group from the configured multiple PUCCH resource groups, and indicates the selected one PUCCH resource group to the terminal device. Further, the network device selects a PUCCH resource for performing HARQ feedback for the downlink SDT from the selected one PUCCH resource group, and indicates the selected one PUCCH resource to the terminal device.
  • the number of PUCCH resource groups configured in pucch-ResourceCommonForSDTList is 4, and the number values of these 4 PUCCH resource groups are 0, 1, 2, and 3 in sequence.
  • Each PUCCH resource group includes 16 PUCCH resources. It is assumed that the network device selects a PUCCH resource group with a serial number of 0 and a PUCCH resource with a serial number of 6, and indicates to the terminal device through the third downlink control information.
  • Step 640 the terminal device transmits the HARQ feedback received on the downlink SDT on the PUCCH resource determined by the third downlink control information.
  • the terminal device when there is a HARQ feedback requirement for downlink SDT, the terminal device sends a downlink response to the network device on the PUCCH resource with the sequence number 6 of the PUCCH resource group with the number value 0. HARQ feedback received by SDT.
  • the technical solutions provided by the embodiments of the present application are configured by configuring multiple groups of PUCCH resources for sending HARQ feedback during the SDT process for the terminal equipment, and the network equipment indicates to the terminal equipment one PUCCH resource for the HARQ feedback received by SDT group and a PUCCH resource in the resource group, so that the terminal equipment uses the PUCCH resources indicated above to perform HARQ feedback when there is a HARQ feedback requirement for downlink SDT, thereby providing a HARQ feedback mechanism for small packet data reception, ensuring that Reliability of packet data reception.
  • FIG. 7 shows a block diagram of an apparatus for configuring an SDT-based HARQ feedback resource provided by an embodiment of the present application.
  • the apparatus has the function of implementing the above-mentioned method example on the terminal device side, and the function may be implemented by hardware, or by executing corresponding software by hardware.
  • the apparatus may be the terminal device described above, or may be set in the terminal device.
  • the apparatus 700 may include: a configuration information receiving module 710 .
  • the configuration information receiving module 710 is configured to receive configuration information, where the configuration information is used to configure PUCCH resources for sending HARQ feedback in the SDT process.
  • the configuration information includes first configuration information, and the first configuration information is used to configure one PUCCH resource group.
  • the first configuration information includes an index value, and the index value corresponds to a set of configuration parameters.
  • the apparatus 700 further includes: a resource group determination module 720, configured to determine the one PUCCH resource group according to a set of configuration parameters corresponding to the index value.
  • the apparatus 700 further includes: a control information receiving module 730, configured to receive first downlink control information, where the first downlink control information is used to obtain information from the one PUCCH resource group Indicates one PUCCH resource.
  • a control information receiving module 730 configured to receive first downlink control information, where the first downlink control information is used to obtain information from the one PUCCH resource group Indicates one PUCCH resource.
  • the apparatus 700 further includes: a HARQ feedback sending module 740, configured to transmit the HARQ feedback received on the downlink SDT on the PUCCH resource determined by the first downlink control information.
  • a HARQ feedback sending module 740 configured to transmit the HARQ feedback received on the downlink SDT on the PUCCH resource determined by the first downlink control information.
  • the configuration information includes second configuration information for configuring a plurality of PUCCH resource groups.
  • the second configuration information includes multiple index values, and each index value corresponds to a set of configuration parameters.
  • the apparatus 700 further includes: a resource group determination module 720, configured to determine the multiple PUCCH resource groups according to the configuration parameters corresponding to the multiple index values respectively.
  • the apparatus 700 further includes:
  • a number value determination module 750 configured to determine a first number value based on the identification information of the terminal device
  • the available group determination module 760 is configured to determine the PUCCH resource group whose number value is the first number value among the plurality of PUCCH resource groups as the available PUCCH resource group for sending HARQ feedback by the terminal device.
  • the number value determination module 750 is configured to determine the remainder obtained by dividing the identification information of the terminal device by the number of the PUCCH resource groups as the first number value.
  • the identification information of the terminal equipment is any one of the following: I-RNTI and C-RNTI.
  • the apparatus 700 further includes: a control information receiving module 730, configured to receive second downlink control information, where the second downlink control information is used to select a PUCCH resource group from a selected PUCCH resource group. Indicates a PUCCH resource.
  • a control information receiving module 730 configured to receive second downlink control information, where the second downlink control information is used to select a PUCCH resource group from a selected PUCCH resource group. Indicates a PUCCH resource.
  • the apparatus 700 further includes: a HARQ feedback sending module 740, configured to transmit the HARQ feedback received on the downlink SDT on the PUCCH resource determined by the second downlink control information.
  • a HARQ feedback sending module 740 configured to transmit the HARQ feedback received on the downlink SDT on the PUCCH resource determined by the second downlink control information.
  • the apparatus 700 further includes: a control information receiving module 730, configured to receive third downlink control information, where the third downlink control information is used to obtain information from the multiple PUCCH resource groups Indicates one selected PUCCH resource group, and is used to indicate one PUCCH resource from the selected one PUCCH resource group.
  • a control information receiving module 730 configured to receive third downlink control information, where the third downlink control information is used to obtain information from the multiple PUCCH resource groups Indicates one selected PUCCH resource group, and is used to indicate one PUCCH resource from the selected one PUCCH resource group.
  • the apparatus 700 further includes: a HARQ feedback sending module 740, configured to transmit the HARQ feedback received on the downlink SDT on the PUCCH resource determined by the third downlink control information.
  • a HARQ feedback sending module 740 configured to transmit the HARQ feedback received on the downlink SDT on the PUCCH resource determined by the third downlink control information.
  • the multiple PUCCH resource groups are numbered sequentially from 0 in the order in the list.
  • the maximum number of PUCCH resources included in each PUCCH resource group is 16.
  • the configuration information is a SIB1 message.
  • the PUCCH resources dedicated to sending HARQ feedback in the SDT process and the PUCCH resources used for other processes share the same set of configuration parameters; or, the PUCCH resources dedicated to sending HARQ feedback in the SDT process and the PUCCH resources used for other processes Resources, with their own independent configuration parameters.
  • the configuration parameters include at least one of the following: hoppingId, p0-nominal, pucch-GroupHopping, and pucch-ResourceCommon.
  • the terminal device is in an RRC inactive state.
  • the technical solutions provided by the embodiments of the present application configure the terminal equipment with PUCCH resources for sending HARQ feedback during the SDT process, so that the terminal equipment can use the above PUCCH resources to perform HARQ feedback for received small packet data, thereby providing A HARQ feedback mechanism for small packet data reception is proposed to ensure the reliability of small packet data reception.
  • FIG. 8 shows a block diagram of an apparatus for configuring an SDT-based HARQ feedback resource provided by another embodiment of the present application.
  • the apparatus has the function of implementing the foregoing method example on the network device side, and the function may be implemented by hardware, or by executing corresponding software by hardware.
  • the apparatus may be the network device described above, or may be set in the network device.
  • the apparatus 800 may include: a configuration information sending module 810 .
  • the configuration information sending module 810 is configured to send configuration information to the terminal device, where the configuration information is used to configure the PUCCH resources for sending HARQ feedback in the SDT process.
  • the configuration information includes first configuration information, and the first configuration information is used to configure one PUCCH resource group.
  • the first configuration information includes an index value, and the index value corresponds to a set of configuration parameters; the terminal device is configured to determine the one PUCCH resource group according to a set of configuration parameters corresponding to the index value .
  • the apparatus 800 further includes: a control information sending module 820, configured to send first downlink control information to the terminal device, where the first downlink control information is used to send data from all One PUCCH resource is indicated in the one PUCCH resource group.
  • a control information sending module 820 configured to send first downlink control information to the terminal device, where the first downlink control information is used to send data from all One PUCCH resource is indicated in the one PUCCH resource group.
  • the apparatus 800 further includes: a HARQ feedback receiving module 830, configured to receive the downlink response data transmitted by the terminal device on the PUCCH resource determined by the first downlink control information HARQ feedback received by SDT.
  • a HARQ feedback receiving module 830 configured to receive the downlink response data transmitted by the terminal device on the PUCCH resource determined by the first downlink control information HARQ feedback received by SDT.
  • the configuration information includes second configuration information for configuring a plurality of PUCCH resource groups.
  • the second configuration information includes multiple index values, each index value corresponds to a set of configuration parameters; the terminal device is configured to determine the multiple index values according to the configuration parameters corresponding to the multiple index values respectively.
  • PUCCH resource group each index value corresponds to a set of configuration parameters; the terminal device is configured to determine the multiple index values according to the configuration parameters corresponding to the multiple index values respectively.
  • the PUCCH resource group whose number value is a first number value is determined by the terminal device as an available PUCCH resource group for sending HARQ feedback; wherein the first number value is It is determined based on the identification information of the terminal device.
  • a remainder obtained by dividing the identification information of the terminal device by the number of the PUCCH resource groups is used as the first serial number value.
  • the identification information of the terminal equipment is any one of the following: I-RNTI and C-RNTI.
  • the apparatus 800 further includes: a control information sending module 820, configured to send second downlink control information to the terminal device, where the second downlink control information is used for selecting One PUCCH resource is indicated in one PUCCH resource group.
  • a control information sending module 820 configured to send second downlink control information to the terminal device, where the second downlink control information is used for selecting One PUCCH resource is indicated in one PUCCH resource group.
  • the apparatus 800 further includes: a HARQ feedback receiving module 830, configured to receive the downlink SDT transmitted by the terminal device on the PUCCH resource determined by the second downlink control information Received HARQ feedback.
  • a HARQ feedback receiving module 830 configured to receive the downlink SDT transmitted by the terminal device on the PUCCH resource determined by the second downlink control information Received HARQ feedback.
  • the apparatus 800 further includes: a control information sending module 820, configured to send third downlink control information to the terminal device, where the third downlink control information is used to send data from the multiple A selected one PUCCH resource group is indicated from the PUCCH resource groups, and is used to indicate a PUCCH resource from the selected one PUCCH resource group.
  • a control information sending module 820 configured to send third downlink control information to the terminal device, where the third downlink control information is used to send data from the multiple A selected one PUCCH resource group is indicated from the PUCCH resource groups, and is used to indicate a PUCCH resource from the selected one PUCCH resource group.
  • the apparatus 800 further includes: a HARQ feedback receiving module 830, configured to receive the downlink SDT transmitted by the terminal device on the PUCCH resource determined by the third downlink control information Received HARQ feedback.
  • a HARQ feedback receiving module 830 configured to receive the downlink SDT transmitted by the terminal device on the PUCCH resource determined by the third downlink control information Received HARQ feedback.
  • the multiple PUCCH resource groups are numbered sequentially from 0 in the order in the list.
  • the maximum number of PUCCH resources included in each PUCCH resource group is 16.
  • the configuration information is a SIB1 message.
  • the PUCCH resources and other PUCCH resources dedicated to sending HARQ feedback in the SDT process share the same set of configuration parameters; or, the PUCCH resources and other PUCCH resources dedicated to sending HARQ feedback in the SDT process have independent configuration parameters. .
  • the configuration parameters include at least one of the following: hoppingId, p0-nominal, pucch-GroupHopping, and pucch-ResourceCommon.
  • the terminal device is in an RRC inactive state.
  • the technical solutions provided by the embodiments of the present application configure the terminal equipment with PUCCH resources for sending HARQ feedback during the SDT process, so that the terminal equipment can use the above PUCCH resources to perform HARQ feedback for received small packet data, thereby providing A HARQ feedback mechanism for small packet data reception is proposed to ensure the reliability of small packet data reception.
  • the device provided in the above embodiment realizes its functions, only the division of the above functional modules is used as an example for illustration. In practical applications, the above functions can be allocated to different functional modules according to actual needs. That is, the content structure of the device is divided into different functional modules to complete all or part of the functions described above.
  • FIG. 9 shows a schematic structural diagram of a terminal device 90 provided by an embodiment of the present application.
  • the terminal device 90 may include: a processor 91 , a receiver 92 , a transmitter 93 , a memory 94 and a bus 95 .
  • the processor 91 includes one or more processing cores, and the processor 91 executes various functional applications and information processing by running software programs and modules.
  • the receiver 92 and the transmitter 93 may be implemented as a transceiver 96, which may be a communication chip.
  • the memory 94 is connected to the processor 91 via a bus 95 .
  • the memory 94 can be used to store a computer program, and the processor 91 is used to execute the computer program, so as to implement each step performed by the terminal device in the above method embodiments.
  • the memory 94 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, and the volatile or non-volatile storage device includes but is not limited to: RAM (Random-Access Memory, random access memory) and ROM (Read-Only Memory), EPROM (Erasable Programmable Read-Only Memory, Erasable Programmable Read-Only Memory), EEPROM (Electrically Erasable Programmable Read-Only Memory, Electrically Erasable Programmable Read-Only Memory) memory), flash memory or other solid-state storage technology, CD-ROM (Compact Disc Read-Only Memory), DVD (Digital Video Disc, high-density digital video disc) or other optical storage, tape cassettes, magnetic tapes, magnetic disks storage or other magnetic storage devices.
  • RAM Random-Access Memory, random access memory
  • ROM Read-Only Memory
  • EPROM Erasable Programmable Read-Only Memory
  • EEPROM Electrically Erasable Programmable Read-Only Memory
  • flash memory or other solid-
  • the transceiver 96 is configured to receive configuration information, where the configuration information is used to configure PUCCH resources for sending HARQ feedback in the SDT process.
  • the configuration information includes first configuration information, and the first configuration information is used to configure one PUCCH resource group.
  • the first configuration information includes an index value, and the index value corresponds to a set of configuration parameters.
  • the processor 91 is configured to determine the one PUCCH resource group according to a set of configuration parameters corresponding to the index value.
  • the transceiver 96 is further configured to receive first downlink control information, where the first downlink control information is used to indicate one PUCCH resource from the one PUCCH resource group.
  • the transceiver 96 is further configured to transmit the HARQ feedback received on the downlink SDT on the PUCCH resource determined by the first downlink control information.
  • the configuration information includes second configuration information for configuring a plurality of PUCCH resource groups.
  • the second configuration information includes multiple index values, and each index value corresponds to a set of configuration parameters.
  • the processor 91 is configured to determine the multiple PUCCH resource groups according to the configuration parameters corresponding to the multiple index values respectively.
  • the processor 91 is further configured to determine a first number value based on the identification information of the terminal device; and assign the PUCCH resources whose number value is the first number value in the multiple PUCCH resource groups group, and determine the available PUCCH resource group for sending HARQ feedback for the terminal device.
  • the processor 91 is further configured to determine a remainder obtained by dividing the identification information of the terminal device by the number of the PUCCH resource groups as the first serial number value.
  • the identification information of the terminal equipment is any one of the following: I-RNTI and C-RNTI.
  • the transceiver 96 is further configured to receive second downlink control information, where the second downlink control information is used to indicate one PUCCH resource from one selected PUCCH resource group.
  • the transceiver 96 is further configured to transmit the HARQ feedback received on the downlink SDT on the PUCCH resource determined by the second downlink control information.
  • the transceiver 96 is further configured to receive third downlink control information, where the third downlink control information is used to indicate a selected one PUCCH resource group from the multiple PUCCH resource groups, and is used for One PUCCH resource is indicated from the selected one PUCCH resource group.
  • the transceiver 96 is further configured to transmit the HARQ feedback received on the downlink SDT on the PUCCH resource determined by the third downlink control information.
  • the multiple PUCCH resource groups are numbered sequentially from 0 in the order in the list.
  • the maximum number of PUCCH resources included in each PUCCH resource group is 16.
  • the configuration information is a SIB1 message.
  • the PUCCH resources dedicated to sending HARQ feedback in the SDT process and the PUCCH resources used for other processes share the same set of configuration parameters; or, the PUCCH resources dedicated to sending HARQ feedback in the SDT process and the PUCCH resources used for other processes Resources, with their own independent configuration parameters.
  • the configuration parameters include at least one of the following: hoppingId, p0-nominal, pucch-GroupHopping, and pucch-ResourceCommon.
  • the terminal device is in an RRC inactive state.
  • FIG. 10 shows a schematic structural diagram of a network device 100 provided by an embodiment of the present application.
  • the network device 100 may include: a processor 101 , a receiver 102 , a transmitter 103 , a memory 104 and a bus 105 .
  • the processor 101 includes one or more processing cores, and the processor 101 executes various functional applications and information processing by running software programs and modules.
  • the receiver 102 and the transmitter 103 may be implemented as a transceiver 106, which may be a communication chip.
  • the memory 104 is connected to the processor 101 through the bus 105 .
  • the memory 104 can be used to store a computer program, and the processor 101 is used to execute the computer program, so as to implement each step performed by the network device in the above method embodiments.
  • the memory 104 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, and the volatile or non-volatile storage device includes but is not limited to: RAM (Random-Access Memory, random access memory) and ROM (Read-Only Memory), EPROM (Erasable Programmable Read-Only Memory, Erasable Programmable Read-Only Memory), EEPROM (Electrically Erasable Programmable Read-Only Memory, Electrically Erasable Programmable Read-Only Memory) memory), flash memory or other solid-state storage technology, CD-ROM (Compact Disc Read-Only Memory), DVD (Digital Video Disc, high-density digital video disc) or other optical storage, tape cassettes, magnetic tapes, magnetic disks storage or other magnetic storage devices.
  • RAM Random-Access Memory, random access memory
  • ROM Read-Only Memory
  • EPROM Erasable Programmable Read-Only Memory
  • EEPROM Electrically Erasable Programmable Read-Only Memory
  • flash memory or other solid-
  • the transceiver 106 is configured to send configuration information to the terminal device, where the configuration information is used to configure PUCCH resources for sending HARQ feedback in the SDT process.
  • the configuration information includes first configuration information, and the first configuration information is used to configure one PUCCH resource group.
  • the first configuration information includes an index value, and the index value corresponds to a set of configuration parameters; the terminal device is configured to determine the one PUCCH resource group according to a set of configuration parameters corresponding to the index value .
  • the transceiver 106 is further configured to send first downlink control information to the terminal device, where the first downlink control information is used to indicate one PUCCH resource from the one PUCCH resource group.
  • the transceiver 106 is further configured to receive the HARQ feedback on downlink SDT reception transmitted by the terminal device on the PUCCH resource determined by the first downlink control information.
  • the configuration information includes second configuration information for configuring a plurality of PUCCH resource groups.
  • the second configuration information includes multiple index values, each index value corresponds to a set of configuration parameters; the terminal device is configured to determine the multiple index values according to the configuration parameters corresponding to the multiple index values respectively.
  • PUCCH resource group each index value corresponds to a set of configuration parameters; the terminal device is configured to determine the multiple index values according to the configuration parameters corresponding to the multiple index values respectively.
  • the PUCCH resource group whose number value is a first number value is determined by the terminal device as an available PUCCH resource group for sending HARQ feedback; wherein the first number value is It is determined based on the identification information of the terminal device.
  • a remainder obtained by dividing the identification information of the terminal device by the number of the PUCCH resource groups is used as the first serial number value.
  • the identification information of the terminal equipment is any one of the following: I-RNTI and C-RNTI.
  • the transceiver 106 is further configured to send second downlink control information to the terminal device, where the second downlink control information is used to indicate one PUCCH resource from one selected PUCCH resource group.
  • the transceiver 106 is further configured to receive the HARQ feedback on downlink SDT reception transmitted by the terminal device on the PUCCH resource determined by the second downlink control information.
  • the transceiver 106 is further configured to send third downlink control information to the terminal device, where the third downlink control information is used to indicate a selected one PUCCH resource from the multiple PUCCH resource groups group, and used to indicate one PUCCH resource from the selected one PUCCH resource group.
  • the transceiver 106 is further configured to receive the HARQ feedback on downlink SDT reception transmitted by the terminal device on the PUCCH resource determined by the third downlink control information.
  • the multiple PUCCH resource groups are numbered sequentially from 0 in the order in the list.
  • the maximum number of PUCCH resources included in each PUCCH resource group is 16.
  • the configuration information is a SIB1 message.
  • the PUCCH resources and other PUCCH resources dedicated to sending HARQ feedback in the SDT process share the same set of configuration parameters; or, the PUCCH resources and other PUCCH resources dedicated to sending HARQ feedback in the SDT process have independent configuration parameters. .
  • the configuration parameters include at least one of the following: hoppingId, p0-nominal, pucch-GroupHopping, and pucch-ResourceCommon.
  • the terminal device is in an RRC inactive state.
  • Embodiments of the present application further provide a computer-readable storage medium, where a computer program is stored in the storage medium, and the computer program is configured to be executed by a processor of a terminal device to implement the above method on the terminal device side.
  • Embodiments of the present application further provide a computer-readable storage medium, where a computer program is stored in the storage medium, and the computer program is configured to be executed by a processor of a network device to implement the method on the network device side.
  • An embodiment of the present application further provides a chip, where the chip includes a programmable logic circuit and/or program instructions, and when the chip runs on a terminal device, it is used to implement the above-mentioned method on the terminal device side.
  • An embodiment of the present application further provides a chip, where the chip includes a programmable logic circuit and/or program instructions, and when the chip runs on a network device, it is used to implement the above method on the network device side.
  • Embodiments of the present application further provide a computer program product, which, when the computer program product runs on a processor of a terminal device, enables the terminal device to execute the above method on the terminal device side.
  • Embodiments of the present application further provide a computer program product, which, when the computer program product runs on a processor of a network device, enables the network device to execute the method on the network device side.
  • Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another.
  • a storage medium can be any available medium that can be accessed by a general purpose or special purpose computer.

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

Abstract

La présente demande se rapporte au domaine technique des communications. L'invention concerne un procédé et un appareil de configuration de ressources de rétroaction HARQ sur la base de SDT, ainsi qu'un dispositif. Le procédé comprend l'étape suivante : un dispositif terminal reçoit des informations de configuration, les informations de configuration étant utilisées pour configurer une ressource PUCCH pour envoyer une rétroaction HARQ dans un processus de SDT. Selon la présente demande, par configuration de la ressource PUCCH pour envoyer la rétroaction HARQ dans le processus de SDT pour le dispositif terminal, le dispositif terminal peut utiliser la ressource PUCCH pour effectuer une rétroaction HARQ pour des petites données en paquet reçues, de sorte qu'un mécanisme de rétroaction HARQ pour la réception de petites données en paquets soit fourni, et la fiabilité de réception de petites données en paquets soit assurée.
PCT/CN2020/140791 2020-12-29 2020-12-29 Procédé et appareil de configuration de ressources de rétroaction harq sur la base de sdt, et dispositif WO2022141044A1 (fr)

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PCT/CN2020/140791 WO2022141044A1 (fr) 2020-12-29 2020-12-29 Procédé et appareil de configuration de ressources de rétroaction harq sur la base de sdt, et dispositif

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