WO2022021311A1 - Procédé de communication sans fil et dispositif terminal - Google Patents

Procédé de communication sans fil et dispositif terminal Download PDF

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Publication number
WO2022021311A1
WO2022021311A1 PCT/CN2020/106170 CN2020106170W WO2022021311A1 WO 2022021311 A1 WO2022021311 A1 WO 2022021311A1 CN 2020106170 W CN2020106170 W CN 2020106170W WO 2022021311 A1 WO2022021311 A1 WO 2022021311A1
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WIPO (PCT)
Prior art keywords
pucch transmission
transmission resource
terminal device
resource set
service
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PCT/CN2020/106170
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English (en)
Chinese (zh)
Inventor
赵振山
林晖闵
丁伊
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Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to PCT/CN2020/106170 priority Critical patent/WO2022021311A1/fr
Priority to CN202080101204.8A priority patent/CN115699642A/zh
Publication of WO2022021311A1 publication Critical patent/WO2022021311A1/fr

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

Definitions

  • the embodiments of the present application relate to the field of communication, and more particularly, to a wireless communication method and terminal device.
  • New Radio New Radio
  • NR New Radio
  • a terminal device does not need feedback when receiving multicast or broadcast services, and there is no remedy for data loss.
  • V2X Vehicle to Everything
  • Industrial Internet and other scenarios
  • the reliability requirements for multicast and broadcast transmission are getting higher and higher. How to improve the reliability of multicast and broadcast transmission? Reliability is an urgent problem to be solved.
  • the embodiments of the present application provide a wireless communication method and terminal device.
  • the terminal device can determine a PUCCH transmission resource for uplink feedback, so that the service sent in a multicast or broadcast manner can be processed. Uplink feedback to improve the reliability of multicast or broadcast transmission.
  • a wireless communication method comprising:
  • the terminal device determines the target PUCCH transmission resource from at least one PUCCH transmission resource set,
  • the target PUCCH transmission resource is used to transmit uplink feedback information carrying the first type of service, the uplink feedback information is used to indicate whether the first type of service is correctly received, and the first type of service is sent in a multicast or broadcast manner of.
  • a terminal device for executing the method in the above-mentioned first aspect.
  • the terminal device includes functional modules for executing the method in the first aspect.
  • a terminal device including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the method in the first aspect.
  • an apparatus for implementing the method in the above-mentioned first aspect.
  • the apparatus includes: a processor for invoking and running a computer program from a memory, so that a device in which the apparatus is installed executes the method in the above-mentioned first aspect.
  • a computer-readable storage medium for storing a computer program, and the computer program causes a computer to execute the method in the above-mentioned first aspect.
  • a computer program product comprising computer program instructions, the computer program instructions causing a computer to perform the method of the first aspect above.
  • a computer program which, when run on a computer, causes the computer to perform the method of the above-mentioned first aspect.
  • the terminal device determines from at least one PUCCH transmission resource set a target PUCCH transmission resource for transmitting uplink feedback information carrying the first type of service, so that uplink feedback for the first type of service can be performed on the target PUCCH transmission resource , thereby improving the transmission reliability of the first type of service sent by multicast or broadcast.
  • FIG. 1 is a schematic diagram of a communication system architecture to which an embodiment of the present application is applied.
  • FIG. 2 is a schematic flowchart of a wireless communication method provided according to an embodiment of the present application.
  • FIG. 3 is a schematic diagram of determining a PUCCH transmission resource based on an intra-group identifier in a communication group where a terminal device is located, according to an embodiment of the present application.
  • FIG. 4 is another schematic diagram of determining a PUCCH transmission resource based on an intra-group identifier in a communication group where a terminal device is located, provided by an embodiment of the present application.
  • FIG. 5 is a schematic diagram of still another method of determining a PUCCH transmission resource based on an intra-group identifier in a communication group where a terminal device is located, according to an embodiment of the present application.
  • FIG. 6 is a schematic diagram of an RSRP range provided by an embodiment of the present application.
  • FIG. 7 is a schematic diagram of a network device transmitting data according to an embodiment of the present application.
  • FIG. 8 is a schematic diagram of a PUCCH resource and its corresponding time domain resource provided by an embodiment of the present application.
  • FIG. 9 is a schematic block diagram of a terminal device provided according to an embodiment of the present application.
  • FIG. 10 is a schematic block diagram of a communication device provided according to an embodiment of the present application.
  • FIG. 11 is a schematic block diagram of an apparatus provided according to an embodiment of the present application.
  • FIG. 12 is a schematic block diagram of a communication system provided according to an embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • CDMA Wideband Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LTE-A Advanced Long Term Evolution
  • NR New Radio
  • NTN Non-Terrestrial Networks
  • UMTS Universal Mobile Telecommunication System
  • WLAN Wireless Local Area Networks
  • Wireless Fidelity Wireless Fidelity
  • WiFi fifth-generation communication
  • D2D Device to Device
  • M2M Machine to Machine
  • MTC Machine Type Communication
  • V2V Vehicle to Vehicle
  • V2X Vehicle to everything
  • the communication system in this embodiment of the present application may be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, a dual connectivity (Dual Connectivity, DC) scenario, or a standalone (Standalone, SA) distribution. web scene.
  • Carrier Aggregation, CA Carrier Aggregation, CA
  • DC Dual Connectivity
  • SA standalone
  • the communication system in the embodiment of the present application may be applied to an unlicensed spectrum, where the unlicensed spectrum may also be considered as a shared spectrum; or, the communication system in the embodiment of the present application may also be applied to a licensed spectrum, where, Licensed spectrum can also be considered unshared spectrum.
  • the embodiments of the present application describe various embodiments in conjunction with network equipment and terminal equipment, where the terminal equipment may also be referred to as user equipment (User Equipment, UE), access terminal, subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • user equipment User Equipment, UE
  • access terminal subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • the terminal device can be a station (STATION, ST) in the WLAN, can be a cellular phone, a cordless phone, a Session Initiation Protocol (Session Initiation Protocol, SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, personal digital processing (Personal Digital Assistant, PDA) devices, handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, next-generation communication systems such as end devices in NR networks, or future Terminal equipment in the evolved public land mobile network (Public Land Mobile Network, PLMN) network, etc.
  • PLMN Public Land Mobile Network
  • the terminal device can be deployed on land, including indoor or outdoor, handheld, wearable, or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed in the air (such as airplanes, balloons, and satellites) superior).
  • the terminal device may be a mobile phone (Mobile Phone), a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (Virtual Reality, VR) terminal device, and an augmented reality (Augmented Reality, AR) terminal Equipment, wireless terminal equipment in industrial control, wireless terminal equipment in self driving, wireless terminal equipment in remote medical, wireless terminal equipment in smart grid , wireless terminal equipment in transportation safety, wireless terminal equipment in smart city or wireless terminal equipment in smart home, etc.
  • a mobile phone Mobile Phone
  • a tablet computer Pad
  • a computer with a wireless transceiver function a virtual reality (Virtual Reality, VR) terminal device
  • augmented reality (Augmented Reality, AR) terminal Equipment wireless terminal equipment in industrial control, wireless terminal equipment in self driving, wireless terminal equipment in remote medical, wireless terminal equipment in smart grid , wireless terminal equipment in transportation safety, wireless terminal equipment in smart city or wireless terminal equipment in smart home, etc.
  • the terminal device may also be a wearable device.
  • Wearable devices can also be called wearable smart devices, which are the general term for the intelligent design of daily wear and the development of wearable devices using wearable technology, such as glasses, gloves, watches, clothing and shoes.
  • a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable device is not only a hardware device, but also realizes powerful functions through software support, data interaction, and cloud interaction.
  • wearable smart devices include full-featured, large-scale, complete or partial functions without relying on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application function, which needs to cooperate with other devices such as smart phones.
  • the network device may be a device for communicating with a mobile device, and the network device may be an access point (Access Point, AP) in WLAN, or a base station (Base Transceiver Station, BTS) in GSM or CDMA , it can also be a base station (NodeB, NB) in WCDMA, it can also be an evolved base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station or access point, or in-vehicle equipment, wearable devices and NR networks
  • the network device may have a mobile feature, for example, the network device may be a mobile device.
  • the network device may be a satellite or a balloon station.
  • the satellite may be a low earth orbit (LEO) satellite, a medium earth orbit (MEO) satellite, a geostationary earth orbit (GEO) satellite, a High Elliptical Orbit (HEO) ) satellite etc.
  • the network device may also be a base station set in a location such as land or water.
  • a network device may provide services for a cell, and a terminal device communicates with the network device through transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell, and the cell may be a network device (
  • the cell can belong to the macro base station, or it can belong to the base station corresponding to the small cell (Small cell).
  • Pico cell Femto cell (Femto cell), etc.
  • These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-speed data transmission services.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal device 120 (or referred to as a communication terminal, a terminal).
  • the network device 110 may provide communication coverage for a particular geographic area, and may communicate with terminal devices located within the coverage area.
  • FIG. 1 exemplarily shows one network device and two terminal devices.
  • the communication system 100 may include multiple network devices and the coverage of each network device may include other numbers of terminal devices. This application The embodiment does not limit this.
  • the communication system 100 may further include other network entities such as a network controller and a mobility management entity, which are not limited in this embodiment of the present application.
  • network entities such as a network controller and a mobility management entity, which are not limited in this embodiment of the present application.
  • a device having a communication function in the network/system may be referred to as a communication device.
  • the communication device may include a network device 110 and a terminal device 120 with a communication function, and the network device 110 and the terminal device 120 may be the specific devices described above, which will not be repeated here.
  • the communication device may also include other devices in the communication system 100, such as other network entities such as a network controller, a mobility management entity, etc., which are not limited in this embodiment of the present application.
  • the "instruction" mentioned in the embodiments of the present application may be a direct instruction, an indirect instruction, or an associated relationship.
  • a indicates B it can indicate that A directly indicates B, for example, B can be obtained through A; it can also indicate that A indicates B indirectly, such as A indicates C, and B can be obtained through C; it can also indicate that there is an association between A and B relation.
  • corresponding may indicate that there is a direct or indirect corresponding relationship between the two, or may indicate that there is an associated relationship between the two, or indicate and be instructed, configure and be instructed configuration, etc.
  • the unicast of the radio resource control (Radio Resource Control, RRC) connection state is fed back by the presence of a hybrid automatic repeat request (Hybrid Automatic Repeat reQuest, HARQ).
  • RRC Radio Resource Control
  • HARQ Hybrid Automatic Repeat reQuest
  • Some services in NR such as services in V2X, industrial Internet and other scenarios, have higher and higher requirements for the reliability of multicast broadcast transmission. Therefore, a feedback mechanism is introduced for multicast broadcast to ensure the reliability of service transmission. Ensure that all members of the group have received business data. Therefore, in order to improve the reliability of service transmission, it is necessary to introduce an uplink feedback mechanism for the multicast broadcast service, so that the network can determine whether to initiate retransmission according to the feedback information.
  • Multimedia Broadcast Multicast Service is a technology that transmits data from one data source to multiple terminal devices by sharing network resources. Rate (256kbps) multimedia service broadcast and multicast.
  • the reception of the MBMS service is applicable to the terminal equipment in the RRC connected state (RRC_CONNECTED), the RRC idle state (RRC_IDLE) or the RRC deactivated state (RRC_INACTIVE).
  • this application proposes a solution for determining PUCCH transmission resources.
  • the terminal device can determine the PUCCH transmission resources for uplink feedback, so that the The service performs upstream feedback to improve the reliability of multicast or broadcast transmission.
  • FIG. 2 is a schematic flowchart of a wireless communication method 200 according to an embodiment of the present application. As shown in FIG. 2 , the method 200 may include at least part of the following contents:
  • the terminal device determines a target PUCCH transmission resource from at least one PUCCH transmission resource set,
  • the target PUCCH transmission resource is used to transmit uplink feedback information carrying the first type of service, the uplink feedback information is used to indicate whether the first type of service is correctly received, and the first type of service is sent in a multicast or broadcast manner of.
  • the first type of service is an MBMS service.
  • the first type of service may also be other services sent in a multicast or broadcast manner, which is not limited in this application.
  • the terminal device receives a physical downlink control channel (Physical Downlink Control Channel, PDCCH) sent by a network device, and the PDCCH includes downlink control information (Downlink Control Information, DCI), and the DCI is used for scheduling physical downlink sharing Channel (Physical Downlink Shared Channel, PDSCH) resource.
  • PDCCH Physical Downlink Control Channel
  • DCI Downlink Control Information
  • the terminal device receives the PDSCH carrying the first type of service sent by the network device on the PDSCH resource scheduled by the DCI, and after determining the target PUCCH transmission resource, the terminal device may send the PUCCH to the network device on the target PUCCH transmission resource , the PUCCH carries the uplink feedback information of the first type of service.
  • the uplink feedback information may be HARQ feedback.
  • the terminal device successfully receives the first type of service, the terminal device feeds back an acknowledgment (Acknowledgement, ACK), or the terminal device feeds back nothing.
  • the terminal device fails to receive the first type of service, the terminal device feeds back a negative acknowledgement (Negative Acknowledgement, NACK).
  • S210 may specifically be:
  • the terminal device determines the target PUCCH transmission resource from the at least one PUCCH transmission resource set according to the first information, and/or the terminal device determines the first PUCCH transmission resource set from the at least one PUCCH transmission resource set according to the first information , the first PUCCH transmission resource set includes the target PUCCH transmission resource;
  • the first information includes but is not limited to at least one of the following:
  • RSRP Reference Signal Received Power
  • RNTI Radio Network Temporary Identity
  • the terminal device may determine the target PUCCH transmission resource through the solutions in Examples 1 to 8 below.
  • Example 1 the terminal device determines the target PUCCH transmission resource from the at least one PUCCH transmission resource set according to the intra-group identifier in the communication group where the terminal device is located.
  • an independent group member identity is usually configured for each terminal, that is, the group member identity of the communication group where the terminal device is located.
  • the network device configures PUCCH transmission resources for the terminal device During the set, the terminal device can determine the corresponding PUCCH transmission resource from the PUCCH transmission resource set according to its intra-group identifier in the communication group, so that each terminal in the group can have independent PUCCH transmission resources.
  • a communication group includes 4 terminal devices, the intra-group identifiers (IDs) assigned by the network device are UE ID#0, UE ID#1, UE ID#2, and UE ID#3 respectively, and the PUCCH configured by the network device is The transmission resource set includes 8 PUCCH transmission resources.
  • UE ID #0 corresponds to PUCCH transmission resource #0
  • UE ID #1 corresponds to PUCCH transmission resource #1
  • UE ID #2 corresponds to PUCCH transmission resource #2
  • UE ID #3 corresponds to PUCCH transmission resource #3.
  • the PUCCH resources in all the PUCCH transmission resource sets are numbered, and the terminal device determines the corresponding PUCCH transmission resource set and the specific target PUCCH transmission resource according to the intra-group identifier in the communication group where it belongs.
  • the at least one PUCCH transmission resource set includes two PUCCH transmission resource sets, denoted as PUCCH transmission resource set 0 and PUCCH transmission resource set 1 respectively, and PUCCH transmission resource set 0 includes 8 PUCCH transmission resources, PUCCH transmission resource set 1 includes 4 PUCCH transmission resources, which are uniformly numbered, that is, the index of the PUCCH transmission resource is [0, 11].
  • R PUCCH mod(UE_ID,M)
  • M represents the number of PUCCH transmission resources in all PUCCH transmission resource sets
  • R PUCCH represents the index of the determined target PUCCH transmission resource
  • mod( ) represents a modulo operation.
  • the determined target PUCCH transmission resource index is 1, which is the second PUCCH transmission resource in PUCCH transmission resource set 0
  • the at least one PUCCH transmission resource set includes two PUCCH transmission resource sets, denoted as PUCCH transmission resource set 0 and PUCCH transmission resource set 1, respectively, and PUCCH transmission resource set 0 includes 8 PUCCHs Transmission resources, the index of the PUCCH transmission resource is [0, 7], the PUCCH transmission resource set 1 includes 4 PUCCH transmission resources, the index of the PUCCH transmission resource is [0, 3],
  • the determined index of the PUCCH transmission resource set is 1, that is, the second PUCCH transmission resource set, and the determined index of the target PUCCH transmission resource is 1, that is, the second PUCCH transmission resource in the PUCCH transmission resource set 1 ;
  • the index of the determined PUCCH transmission resource set is 0, that is, the first PUCCH transmission resource set, and the determined target PUCCH transmission resource index is 6, that is, the seventh PUCCH transmission in the PUCCH transmission resource set 0 resource.
  • Example 1 when the terminal device determines a plurality of PUCCH transmission resources from the at least one PUCCH transmission resource set according to the intra-group identifier in the communication group where the terminal device is located, the terminal device uses the plurality of PUCCH transmission resources.
  • the first PUCCH transmission resource in the transmission resources is determined as the target PUCCH transmission resource, or the terminal device determines a PUCCH transmission resource randomly selected from the plurality of PUCCH transmission resources as the target PUCCH transmission resource.
  • the terminal device determines the first PUCCH transmission resource set from the at least one PUCCH transmission resource set according to the intra-group identifier in the communication group where the terminal device is located; and the terminal device determines the first PUCCH transmission resource set according to the RSRP measurement result, the RNTI of the terminal device . At least one of the indication information in the DCI for scheduling the PDSCH carrying the first type of service, and determining the target PUCCH transmission resource from the first PUCCH transmission resource set.
  • the terminal device may, according to the intra-group identifier in the communication group where the terminal device is located, from the at least one PUCCH transmission resource set
  • the first PUCCH transmission resource set is determined in .
  • S PUCCH mod(UE_ID,N), where N represents the number of PUCCH transmission resource sets, S PUCCH represents the index of the determined PUCCH transmission resource set, that is, the index of the first PUCCH transmission resource set, mod( ) represents the Modulo operation.
  • the terminal device determines the target PUCCH transmission resource from the first PUCCH transmission resource set according to the RSRP measurement result. It is assumed that the first PUCCH transmission resource set includes 3 PUCCH transmission resources, wherein PUCCH transmission resource #0 corresponds to RSRP range 0, PUCCH transmission resource #1 corresponds to RSRP range 1, and PUCCH transmission resource #2 corresponds to RSRP range 2. In this case Next, assuming that the RSRP measurement result measured by the terminal device belongs to RSRP range 1, the target PUCCH transmission resource is PUCCH transmission resource #1.
  • the network device configures 3 RSRP thresholds, denoted as RSRP-THD1, RSRP-THD2, and RSRP-THD3, and configures 4 PUCCH transmission resources, denoted as PUCCH transmission resource #0, PUCCH Transmission resource #1, PUCCH transmission resource #2, PUCCH transmission resource #3, different RSRP ranges correspond to different PUCCH resources, and multiple PUCCH transmission resources may be frequency division multiplexing (Frequency-division multiplexing, FDM) or time-division multiplexing (TDM) or code division multiplexing (code division multiplexing, CDM), terminal equipment receives MBMS data sent by network equipment, and (synchronization signal/physical broadcast channel block, SS/PBCH), channel state information reference signal (Channel State Information Reference Signal, CSI-RS), etc.) measure downlink RSRP, and judge the RSRP range to which it belongs and the corresponding PUCCH according to the currently measured RSRP Transmission resource, if the terminal
  • FDM Frequency-
  • the terminal device determines the target PUCCH transmission resource from the first PUCCH transmission resource set according to the indication information in the DCI for scheduling the PDSCH carrying the first type of service.
  • the indication information is the index of the target PUCCH transmission resource, and the terminal device can determine the target PUCCH transmission resource according to the indication information.
  • the terminal device determines the first PUCCH transmission resource set from the at least one PUCCH transmission resource set according to the RNTI of the terminal device; and the terminal device determines the first PUCCH transmission resource set from the at least one PUCCH transmission resource set according to the RNTI of the terminal device; . At least one of the indication information in the DCI for scheduling the PDSCH carrying the first type of service, and determining the target PUCCH transmission resource from the first PUCCH transmission resource set.
  • the terminal device may determine the first PUCCH transmission from the at least one PUCCH transmission resource set according to the RNTI of the terminal device Collection of resources.
  • S PUCCH mod(UE_RNTI,N), where UE_RNTI represents the RNTI of the terminal device, N represents the number of PUCCH transmission resource sets, and S PUCCH represents the index of the determined PUCCH transmission resource set, that is, the first PUCCH transmission resource set
  • mod() represents the modulo operation.
  • the terminal device determines the target PUCCH transmission resource from the first PUCCH transmission resource set according to the RSRP measurement result. It is assumed that the first PUCCH transmission resource set includes 4 PUCCH transmission resources, wherein PUCCH transmission resource #0 corresponds to RSRP range 0, PUCCH transmission resource #1 corresponds to RSRP range 1, PUCCH transmission resource #2 corresponds to RSRP range 2, and PUCCH transmission resource #3 corresponds to RSRP range 3. In this case, assuming that the RSRP measurement result measured by the terminal device belongs to RSRP range 2, the target PUCCH transmission resource is PUCCH transmission resource #2.
  • the index of the transmission resource, mod() represents the modulo operation.
  • the terminal device determines the target PUCCH transmission resource from the first PUCCH transmission resource set according to the indication information in the DCI used to schedule the PDSCH carrying the first type of service.
  • the indication information is the index of the target PUCCH transmission resource, and the terminal device can determine the target PUCCH transmission resource according to the indication information.
  • Example 5 the terminal device determines the target PUCCH transmission resource from the at least one PUCCH transmission resource set according to the RSRP measurement result.
  • the terminal device determines the target PUCCH transmission resource from the at least one PUCCH transmission resource set according to the RSRP measurement result, at least one RSRP threshold and a first correspondence, where the first correspondence The relationship is the corresponding relationship between the RSRP range and the PUCCH transmission resources.
  • the at least one RSRP threshold is used to determine the RSRP range.
  • PUCCH transmission resource #0 corresponds to RSRP range
  • PUCCH transmission resource #1 corresponds to RSRP range 1
  • PUCCH transmission resource #2 corresponds to RSRP range 2.
  • the PUCCH transmission resource set includes 3 PUCCH transmission resources, wherein, PUCCH transmission resource #0 corresponds to RSRP range 0, PUCCH transmission resource #1 corresponds to RSRP range 1, and PUCCH transmission resource #2 corresponds to RSRP range 2.
  • the target PUCCH transmission resource is PUCCH transmission resource #1.
  • the at least one RSRP threshold is pre-configured or agreed in a protocol, or the at least one RSRP threshold is configured by a network device.
  • the first correspondence is pre-configured or agreed in a protocol, or the first correspondence is configured by a network device.
  • Example 6 the terminal device determines the first PUCCH transmission resource set from the at least one PUCCH transmission resource set according to the RSRP measurement result; and the terminal device determines the first PUCCH transmission resource set from the at least one PUCCH transmission resource set according to the RSRP measurement result; . At least one of the indication information in the DCI for scheduling the PDSCH carrying the first type of service, and determining the target PUCCH transmission resource from the first PUCCH transmission resource set.
  • the index of the transmission resource, mod() represents the modulo operation.
  • the terminal device determines the target PUCCH transmission resource from the first PUCCH transmission resource set according to the indication information in the DCI used to schedule the PDSCH carrying the first type of service.
  • the indication information is the index of the target PUCCH transmission resource, and the terminal device can determine the target PUCCH transmission resource according to the indication information.
  • Example 7 the terminal device determines the target PUCCH transmission resource from the first PUCCH transmission resource set according to the indication information in the DCI used to schedule the PDSCH carrying the first type of service; or,
  • the terminal device determines a first PUCCH transmission resource set from the first PUCCH transmission resource set according to the indication information in the DCI used to schedule the PDSCH carrying the first type of service, and the first PUCCH transmission resource set includes the target PUCCH transmission resources.
  • the terminal device determines the first PUCCH transmission resource set from the at least one PUCCH transmission resource set according to the indication information in the DCI used to schedule the PDSCH carrying the first type of service; and the terminal device determines the first PUCCH transmission resource set according to the RSRP measurement result , at least one of the intra-group identifier in the communication group where the terminal device is located, and the RNTI of the terminal device, and the target PUCCH transmission resource is determined from the first PUCCH transmission resource set.
  • the terminal device determines the target PUCCH transmission resource from the first PUCCH transmission resource set according to the RSRP measurement result. It is assumed that the first PUCCH transmission resource set includes 4 PUCCH transmission resources, wherein PUCCH transmission resource #0 corresponds to RSRP range 0, PUCCH transmission resource #1 corresponds to RSRP range 1, PUCCH transmission resource #2 corresponds to RSRP range 2, and PUCCH transmission resource #3 corresponds to RSRP range 3. In this case, assuming that the RSRP measurement result measured by the terminal device belongs to RSRP range 2, the target PUCCH transmission resource is PUCCH transmission resource #2.
  • the index of the transmission resource, mod() represents the modulo operation.
  • the RNTI of the terminal device includes at least one of the following:
  • Cell RNTI Cell RNTI
  • C-RNTI Cell RNTI
  • C-RNTI multicast RNTI
  • G-RNTI multicast RNTI
  • B-RNTI Broadcast-RNTI
  • the at least one PUCCH transmission resource set is configured by the network device through public signaling or user-specific signaling.
  • the network device configures the same PUCCH transmission resource set for the terminal device corresponding to the first type of service.
  • the common signaling includes at least one of the following:
  • SIB System Information Block
  • the at least one PUCCH transmission resource set includes only one PUCCH transmission resource set, and all terminal devices corresponding to the first type of service share the same PUCCH transmission resource.
  • the target PUCCH transmission resource may be determined through the following manners 1 to 3, where the target PUCCH transmission resource is used to transmit uplink feedback information bearing the MBMS service.
  • Manner 1 Indicate a specific target PUCCH transmission resource in the DCI scheduling the PDSCH carrying the MBMS.
  • Mode 2 configure only one PUCCH transmission resource for the MBMS service.
  • the RSRP threshold is set to be infinitely small (or infinitely large), at this time, the RSRP results measured by all UEs are within the same RSRP range, so the same PUCCH transmission resources can be determined.
  • the at least one PUCCH transmission resource set includes only one PUCCH transmission resource set, and all terminal devices corresponding to the first type of service each use independent PUCCH transmission resources.
  • the terminal in order to implement the use of independent PUCCH transmission resources between terminals, the terminal needs to be able to determine the independent PUCCH transmission resources from the PUCCH transmission resource set according to parameters. Since the DCI for scheduling the PDSCH is sent to a group of terminals, it is impossible to indicate the PUCCH transmission resources of each terminal through the DCI. Specifically, for example, the terminal may determine the corresponding PUCCH transmission resource in the PUCCH transmission resource set according to the intra-group ID. Since the intra-group ID of each terminal is different, independent PUCCH transmission resources can be determined.
  • the at least one PUCCH transmission resource set includes only one PUCCH transmission resource set, and one PUCCH transmission resource is shared among a group of terminal devices corresponding to the first type of service.
  • the terminal device may determine the PUCCH transmission resource according to the intra-group ID.
  • the number of PUCCH transmission resources configured by the network device is less than the number of terminal devices in the communication group, multiple terminals will share one PUCCH transmission resource.
  • the PUCCH transmission resource set includes 4 PUCCH transmission resources, but the receiving terminals of the multicast communication include 12 terminals. In this case, multiple terminals share one PUCCH transmission resource.
  • R PUCCH mod(UE_ID,M), where M represents the number of PUCCH transmission resources, the value range of UE_ID is [0,11], and mod () represents the value of Modulo operation, according to the calculation, the terminals with UE_IDs 0, 4, and 8 share one PUCCH transmission resource.
  • the terminals with UE_IDs 1, 5, and 9 share one PUCCH transmission resource; UE_IDs are 2, 6, and 10, and UE_ID is 3. Terminals , 7, and 11 share the other two PUCCH transmission resources.
  • the data sent by the network device needs to be received by multiple terminals, and the multiple terminals may be located in different locations in the cell.
  • frequency range 2 Frequence Range 2, FR2
  • the corresponding frequency is usually high frequency, such as 24.25GHz-52.6GHz.
  • Terminal equipment can receive MBMS data.
  • Network equipment usually uses all beams to send MBMS data once.
  • the network uses different beams to send data at different times, so that terminals located in different locations in the cell may receive the data correctly.
  • a PUCCH resource is indicated in the DCI sent by using different beams, and the user who receives the DCI uses the PUCCH resource indicated by the DCI for feedback. As shown in Fig.
  • the network device transmits MBMS data through 4 beams in turn at 4 times (time 1, time 2, time 3 and time 4), and the ovals shown in Fig. 7 are from left to right respectively
  • the terminal device detects MBMS data on each beam respectively. If the detection is successful in at least one direction, the MBMS data can be considered to be detected successfully. If there is no MBMS data in all directions If the detection is successful, it is considered that the MBMS detection fails.
  • the network equipment configures the PUCCH resources used by the terminal equipment for sending uplink feedback information.
  • the four beams in Figure 7 correspond to the four PUCCH transmission resources in Figure 8.
  • Each PUCCH transmission resource includes PUCCH-ACK resources and PUCCH-NACK resources.
  • PUCCH -ACK resource is used for terminal equipment to send positive acknowledgement (Acknowledgement, ACK) information to the network
  • PUCCH-NACK resource is used for terminal equipment to send negative acknowledgement (Negative Acknowledgement, NACK) information to the network
  • PUCCH resources are used in all transmissions of the MBMS After the time domain resources of the data, the terminal device can determine whether the detection is successful according to the detection results of the MBMS data sent in all directions.
  • the at least one PUCCH transmission resource set includes multiple PUCCH transmission resource sets, and all terminal devices corresponding to the first type of service share the same PUCCH transmission resource.
  • the DCI indicates the PUCCH transmission resource set and the PUCCH transmission resource index; all terminals that receive the DCI determine the corresponding transmission resource set according to the indication information, and determine the transmission resources in the transmission resource set.
  • the DCI indicates a PUCCH transmission resource set, and the PUCCH transmission resource is determined by the RSRP measurement result; the terminal determines a specific PUCCH transmission resource set according to the DCI indication information, and determines the specific PUCCH transmission resource in the set according to the RSRP measurement result, and sets the RSRP threshold. If it is set to be infinitely large (or infinitely small), all terminals are within the same RSRP range, so the same PUCCH transmission resources can be determined.
  • the RSRP threshold is set to be infinite (or infinitely small), and all terminals are within the same RSRP range, so it can be determined that the same A set of PUCCH transmission resources, and then specific PUCCH transmission resources in the set are determined according to the DCI indication information.
  • the at least one PUCCH transmission resource set includes multiple PUCCH transmission resource sets, and all terminal devices corresponding to the first type of service each use independent PUCCH transmission resources.
  • a corresponding set is determined among multiple PUCCH transmission resource sets through the RSRP measurement result, and each terminal determines an independent PUCCH transmission resource in the set according to the intra-group ID.
  • a set of PUCCH transmission resources is indicated in the DCI indication information, and each terminal determines an independent PUCCH transmission resource in the set according to the intra-group ID.
  • the terminal determines the set of PUCCH transmission resources and the PUCCH transmission resources in the set according to the intra-group ID, as described in the above descriptions with respect to FIG. 4 and FIG. 5 for details.
  • the at least one PUCCH transmission resource set includes multiple PUCCH transmission resource sets, and one PUCCH transmission resource is shared among a group of terminal devices corresponding to the first type of service.
  • the terminal device may determine the target PUCCH transmission resource according to the following manners 4 to 9, where the target PUCCH transmission resource is used to transmit uplink feedback information bearing the first type of service.
  • the PUCCH transmission resource set is indicated in the DCI, and the terminal determines the target PUCCH transmission resource according to the RSRP measurement result. That is, the terminal can determine the set of PUCCH transmission resources according to the DCI, and by configuring the RSRP threshold, the terminals with the same RSRP measurement range can share a target PUCCH transmission resource.
  • the PUCCH transmission resource set is indicated in the DCI, and the terminal determines the target PUCCH transmission resource according to the intra-group ID. That is to say, the terminal can determine the PUCCH transmission resource set according to the DCI, and determine the target PUCCH transmission resource according to the intra-group ID.
  • the terminal can determine the PUCCH transmission resource set according to the DCI, and determine the target PUCCH transmission resource according to the intra-group ID.
  • the number of terminals in multicast communication is greater than the number of PUCCH transmission resources in the set, there will be multiple terminals. Share one target PUCCH transmission resource.
  • Manner 6 The terminal determines the PUCCH transmission resource set according to the RSRP measurement result, and determines the target PUCCH transmission resource according to the DCI indication information. That is, by configuring the RSRP threshold, the terminals with the same RSRP measurement range use the same set of PUCCH transmission resources, and further, the terminal determines the target PUCCH transmission resource according to the indication information in the DCI.
  • Manner 7 The terminal determines the PUCCH transmission resource set according to the RSRP measurement result, and determines the target PUCCH transmission resource according to the intra-group ID. That is to say, by configuring the RSRP threshold, the terminals with the same RSRP measurement range use the same set of PUCCH transmission resources. Further, the terminal determines the target PUCCH transmission resource according to the ID in the group. When the number of terminals in multicast communication is greater than the PUCCH transmission resource When the number of PUCCH transmission resources in the resource set is equal, there will be multiple terminals sharing one target PUCCH transmission resource.
  • S PUCCH mod(UE_ID,N)
  • S PUCCH mod(UE_ID,N)
  • the terminal device determines, from at least one PUCCH transmission resource set, a target PUCCH transmission resource for transmitting uplink feedback information carrying the first type of service, so that the target PUCCH transmission resource can target the first type of PUCCH transmission resource.
  • the service performs uplink feedback, thereby improving the transmission reliability of the first type of service sent by multicast or broadcast.
  • FIG. 9 shows a schematic block diagram of a terminal device 300 according to an embodiment of the present application.
  • the terminal device 300 includes:
  • a processing unit 310 configured to determine a target PUCCH transmission resource from at least one PUCCH transmission resource set,
  • the target PUCCH transmission resource is used to transmit uplink feedback information carrying the first type of service, the uplink feedback information is used to indicate whether the first type of service is correctly received, and the first type of service is sent in a multicast or broadcast manner of.
  • processing unit 310 is specifically configured to:
  • the target PUCCH transmission resource is determined from the at least one PUCCH transmission resource set according to the first information, and/or a first PUCCH transmission resource set is determined from the at least one PUCCH transmission resource set according to the first information, the first PUCCH transmission resource
  • the resource set includes the target PUCCH transmission resource
  • the first information includes at least one of the following:
  • processing unit 310 is specifically configured to:
  • the target PUCCH transmission resource is determined from the at least one PUCCH transmission resource set according to the intra-group identifier in the communication group where the terminal device is located.
  • processing unit 310 is specifically configured to:
  • the terminal device determines multiple PUCCH transmission resources from the at least one PUCCH transmission resource set according to the intra-group identifier in the communication group where the terminal device is located, the first PUCCH transmission resource in the multiple PUCCH transmission resources is determined as The target PUCCH transmission resource, or a PUCCH transmission resource randomly selected from the plurality of PUCCH transmission resources is determined as the target PUCCH transmission resource.
  • processing unit 310 is specifically configured to:
  • the target PUCCH transmission resource is determined from the first PUCCH transmission resource set according to at least one of the RSRP measurement result, the RNTI of the terminal device, and the indication information in the DCI for scheduling the PDSCH carrying the first type of service.
  • processing unit 310 is specifically configured to:
  • the target PUCCH transmission resource is determined from the at least one PUCCH transmission resource set according to the RNTI of the terminal device.
  • processing unit 310 is specifically configured to:
  • processing unit 310 is specifically configured to:
  • the target PUCCH transmission resource is determined from the at least one PUCCH transmission resource set according to the RSRP measurement result.
  • processing unit 310 is specifically configured to:
  • the target PUCCH transmission resource is determined from the at least one PUCCH transmission resource set according to the RSRP measurement result, at least one RSRP threshold, and a first correspondence, where the first correspondence is a correspondence between an RSRP range and a PUCCH transmission resource.
  • the at least one RSRP threshold is pre-configured or agreed in a protocol, or the at least one RSRP threshold is configured by a network device.
  • the first correspondence is pre-configured or agreed in a protocol, or the first correspondence is configured by a network device.
  • processing unit 310 is specifically configured to:
  • the intra-group identifier in the communication group where the terminal device is located, the RNTI of the terminal device, and the indication information in the DCI used to schedule the PDSCH carrying the first type of service transmit the resource from the first PUCCH set
  • the target PUCCH transmission resource is determined in .
  • processing unit 310 is specifically configured to:
  • a first PUCCH transmission resource set is determined from the first PUCCH transmission resource set according to the indication information in the DCI for scheduling the PDSCH carrying the first type of service, and the first PUCCH transmission resource set includes the target PUCCH transmission resource .
  • processing unit 310 is specifically configured to:
  • the target PUCCH transmission resource is determined from the first PUCCH transmission resource set according to at least one of the RSRP measurement result, the intra-group identifier in the communication group where the terminal device is located, and the RNTI of the terminal device.
  • the RNTI of the terminal device includes at least one of the following:
  • Cell RNTI Cell RNTI
  • multicast RNTI broadcast RNTI
  • the at least one PUCCH transmission resource set is configured by the network device through public signaling or user-specific signaling.
  • the network device configures the same PUCCH transmission resource set for the terminal device corresponding to the first type of service.
  • the common signaling includes at least one of the following:
  • System information block SIB information Cell-specific radio resource control RRC signaling.
  • the at least one PUCCH transmission resource set includes only one PUCCH transmission resource set, and all terminal devices corresponding to the first type of service share the same PUCCH transmission resource; or,
  • the at least one PUCCH transmission resource set includes only one PUCCH transmission resource set, and all terminal devices corresponding to the first type of service use independent PUCCH transmission resources; or,
  • the at least one PUCCH transmission resource set includes only one PUCCH transmission resource set, and one PUCCH transmission resource is shared among a group of terminal devices corresponding to the first type of service; or,
  • the at least one PUCCH transmission resource set includes multiple PUCCH transmission resource sets, and all terminal devices corresponding to the first type of service share the same PUCCH transmission resource; or,
  • the at least one PUCCH transmission resource set includes multiple PUCCH transmission resource sets, and all terminal devices corresponding to the first type of service use independent PUCCH transmission resources; or,
  • the at least one PUCCH transmission resource set includes multiple PUCCH transmission resource sets, and one PUCCH transmission resource is shared among a group of terminal devices corresponding to the first type of service.
  • the first type of service is a multimedia broadcast multicast service MBMS service.
  • the above-mentioned processing unit may be one or more processors.
  • terminal device 300 may correspond to the terminal device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of the various units in the terminal device 300 are respectively for realizing the method shown in FIG. 2 .
  • the corresponding process of the terminal device in 200 is not repeated here for brevity.
  • FIG. 10 is a schematic structural diagram of a communication device 400 provided by an embodiment of the present application.
  • the communication device 400 shown in FIG. 10 includes a processor 410, and the processor 410 can call and run a computer program from a memory, so as to implement the method in the embodiment of the present application.
  • the communication device 400 may further include a memory 420 .
  • the processor 410 may call and run a computer program from the memory 420 to implement the methods in the embodiments of the present application.
  • the memory 420 may be a separate device independent of the processor 410 , or may be integrated in the processor 410 .
  • the communication device 400 may further include a transceiver 430, and the processor 410 may control the transceiver 430 to communicate with other devices, specifically, may send information or data to other devices, or receive other Information or data sent by a device.
  • the transceiver 430 may include a transmitter and a receiver.
  • the transceiver 430 may further include antennas, and the number of the antennas may be one or more.
  • the communication device 400 may specifically be the network device in this embodiment of the present application, and the communication device 400 may implement the corresponding processes implemented by the network device in each method in the embodiment of the present application. For the sake of brevity, details are not repeated here. .
  • the communication device 400 may specifically be the mobile terminal/terminal device in the embodiments of the present application, and the communication device 400 may implement the corresponding processes implemented by the mobile terminal/terminal device in each method in the embodiments of the present application. , and will not be repeated here.
  • FIG. 11 is a schematic structural diagram of an apparatus according to an embodiment of the present application.
  • the apparatus 500 shown in FIG. 11 includes a processor 510, and the processor 510 can call and run a computer program from a memory, so as to implement the method in the embodiment of the present application.
  • the apparatus 500 may further include a memory 520 .
  • the processor 510 may call and run a computer program from the memory 520 to implement the methods in the embodiments of the present application.
  • the memory 520 may be a separate device independent of the processor 510 , or may be integrated in the processor 510 .
  • the apparatus 500 may further include an input interface 530 .
  • the processor 510 may control the input interface 530 to communicate with other devices or chips, and specifically, may acquire information or data sent by other devices or chips.
  • the apparatus 500 may further include an output interface 540 .
  • the processor 510 may control the output interface 540 to communicate with other devices or chips, and specifically, may output information or data to other devices or chips.
  • the apparatus can be applied to the network equipment in the embodiments of the present application, and the apparatus can implement the corresponding processes implemented by the network equipment in the various methods of the embodiments of the present application, which are not repeated here for brevity.
  • the apparatus can be applied to the mobile terminal/terminal equipment in the embodiments of the present application, and the apparatus can implement the corresponding processes implemented by the mobile terminal/terminal equipment in each method of the embodiments of the present application.
  • the apparatus can implement the corresponding processes implemented by the mobile terminal/terminal equipment in each method of the embodiments of the present application.
  • the apparatus can implement the corresponding processes implemented by the mobile terminal/terminal equipment in each method of the embodiments of the present application.
  • the device mentioned in the embodiment of the present application may also be a chip.
  • it can be a system-on-chip, a system-on-a-chip, a system-on-a-chip, or a system-on-a-chip.
  • FIG. 12 is a schematic block diagram of a communication system 600 provided by an embodiment of the present application. As shown in FIG. 12 , the communication system 600 includes a terminal device 610 and a network device 620 .
  • the terminal device 610 can be used to implement the corresponding functions implemented by the terminal device in the above method
  • the network device 620 can be used to implement the corresponding functions implemented by the network device in the above method. For brevity, details are not repeated here. .
  • the processor in this embodiment of the present application may be an integrated circuit chip, which has a signal processing capability.
  • each step of the above method embodiments may be completed by a hardware integrated logic circuit in a processor or an instruction in the form of software.
  • the above-mentioned processor can be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other available Programming logic devices, discrete gate or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • a general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the method disclosed in conjunction with the embodiments of the present application may be directly embodied as executed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software modules may be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other storage media mature in the art.
  • the storage medium is located in the memory, and the processor reads the information in the memory, and completes the steps of the above method in combination with its hardware.
  • the memory in this embodiment of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM, PROM), an erasable programmable read-only memory (Erasable PROM, EPROM), an electrically programmable read-only memory (Erasable PROM, EPROM). Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • Volatile memory may be Random Access Memory (RAM), which acts as an external cache.
  • RAM Static RAM
  • DRAM Dynamic RAM
  • SDRAM Synchronous DRAM
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM DDR SDRAM
  • enhanced SDRAM ESDRAM
  • synchronous link dynamic random access memory Synchlink DRAM, SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be a static random access memory (static RAM, SRAM), a dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on. That is, the memory in the embodiments of the present application is intended to include but not limited to these and any other suitable types of memory.
  • Embodiments of the present application further provide a computer-readable storage medium for storing a computer program.
  • the computer-readable storage medium can be applied to the network device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of the present application.
  • the computer program enables the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of the present application.
  • the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application. , and are not repeated here for brevity.
  • Embodiments of the present application also provide a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the network device in each method of the embodiments of the present application. Repeat.
  • the computer program product can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application, For brevity, details are not repeated here.
  • the embodiments of the present application also provide a computer program.
  • the computer program can be applied to the network device in the embodiments of the present application.
  • the computer program When the computer program is run on the computer, it causes the computer to execute the corresponding processes implemented by the network device in each method of the embodiments of the present application. For the sake of brevity. , and will not be repeated here.
  • the computer program may be applied to the mobile terminal/terminal device in the embodiments of the present application, and when the computer program is run on the computer, the mobile terminal/terminal device implements the various methods of the computer program in the embodiments of the present application.
  • the corresponding process for the sake of brevity, will not be repeated here.
  • the disclosed system, apparatus and method may be implemented in other manners.
  • the apparatus embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented.
  • the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
  • the functions, if implemented in the form of software functional units and sold or used as independent products, may be stored in a computer-readable storage medium.
  • the technical solution of the present application can be embodied in the form of a software product in essence, or the part that contributes to the prior art or the part of the technical solution.
  • the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program codes .

Abstract

Des modes de réalisation de la présente demande concernent un procédé de communication sans fil et un dispositif terminal. Pour un service envoyé dans un mode de multidiffusion ou de diffusion, un dispositif terminal peut déterminer une ressource de transmission PUCCH pour une rétroaction de liaison montante pour effectuer une rétroaction de liaison montante sur le service envoyé dans le mode de multidiffusion ou de diffusion, ce qui améliore ainsi la fiabilité de transmission de multidiffusion ou de diffusion. Selon le procédé de communication sans fil : un dispositif terminal détermine une ressource de transmission PUCCH cible à partir d'au moins un ensemble de ressources de transmission PUCCH, la ressource de transmission PUCCH cible étant utilisée pour transmettre des informations de rétroaction de liaison montante transportant un premier type de service, les informations de rétroaction de liaison montante sont utilisées pour indiquer si le premier type de service est correctement reçu, et le premier type de service est envoyé dans un mode de multidiffusion ou de diffusion.
PCT/CN2020/106170 2020-07-31 2020-07-31 Procédé de communication sans fil et dispositif terminal WO2022021311A1 (fr)

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