WO2021217378A1 - Procédé de communication sans fil, dispositif terminal et dispositif réseau - Google Patents

Procédé de communication sans fil, dispositif terminal et dispositif réseau Download PDF

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Publication number
WO2021217378A1
WO2021217378A1 PCT/CN2020/087335 CN2020087335W WO2021217378A1 WO 2021217378 A1 WO2021217378 A1 WO 2021217378A1 CN 2020087335 W CN2020087335 W CN 2020087335W WO 2021217378 A1 WO2021217378 A1 WO 2021217378A1
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WIPO (PCT)
Prior art keywords
control information
information format
state
physical channel
format
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PCT/CN2020/087335
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English (en)
Chinese (zh)
Inventor
吴作敏
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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 PCT/CN2020/087335 priority Critical patent/WO2021217378A1/fr
Priority to CN202080099803.0A priority patent/CN115399025A/zh
Publication of WO2021217378A1 publication Critical patent/WO2021217378A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • This application relates to the field of communication, and more specifically, to a wireless communication method, terminal device, and network device.
  • NTN Non-Terrestrial Networks
  • HARQ Hybrid Automatic Repeat Request
  • NR New Radio
  • the network device can configure the disabling for some HARQ processes of the terminal device.
  • the terminal device does not need to perform HARQ for the data block transmitted in the HARQ process. Feedback.
  • the network device can use the disabled HARQ process to schedule multiple data packets for the terminal device to reduce RTT. Greater impact.
  • the terminal device needs to perform HARQ feedback for the data block transmitted in the HARQ process, so that the HARQ process can be reused.
  • the downlink data transmission of a terminal device includes both physical downlink sharing that does not require HARQ-ACK feedback.
  • the channel Physical Downlink Shared Channel, PDSCH
  • PDSCH Physical Downlink Shared Channel
  • the embodiments of the present application provide a wireless communication method, terminal device, and network device to solve the above technical problems.
  • An embodiment of the present application provides a wireless communication method, including:
  • the terminal device receives a first control information format, the first control information format is used to schedule or activate the transmission of the first physical channel, and the first control information format corresponds to the first state or the second state; the terminal device receives The first physical channel, wherein the first control information format corresponds to a first state, and the first physical channel includes a second control information format; or, the first control information format corresponds to a second state, and the first The physical channel does not include the second control information format.
  • An embodiment of the present application provides a wireless communication method, including:
  • the first control information format is used to schedule or activate the transmission of the first physical channel, and the first control information format corresponds to the first state or the second state State; wherein, the first control information format corresponds to a first state, and the first physical channel includes a second control information format; or, the first control information format corresponds to a second state, and the first physical channel Does not include the second control information format.
  • a first receiving module configured to receive a first control information format, where the first control information format is used to schedule or activate transmission of a first physical channel, and the first control information format corresponds to a first state or a second state;
  • the second receiving module is configured to receive the first physical channel, wherein the first control information format corresponds to a first state, and the first physical channel includes a second control information format; or, the first control information format The information format corresponds to the second state, and the first physical channel does not include the second control information format.
  • the sending module is configured to send a first control information format and a first physical channel to a terminal device, the first control information format is used to schedule or activate the transmission of the first physical channel, and the first control information format corresponds to the first physical channel.
  • the first control information format corresponds to the first state, and the first physical channel includes the second control information format; or, the first control information format corresponds to the second state, and the first physical channel does not include the second control information format.
  • Control information format
  • the embodiment of the present application also provides a wireless communication method, including:
  • the network device sends a first control information format and a first physical channel, the first control information format is used to schedule or activate the transmission of the first physical channel, and the first control information format corresponds to the first state or the second state ;
  • the network device receives the first hybrid automatic repeat request response HARQ-ACK information sent by the terminal device according to the first control information format; or,
  • the network device does not expect to receive the first HARQ-ACK information sent by the terminal device according to the first control information format, where the first HARQ -ACK information includes HARQ-ACK information corresponding to the first physical channel.
  • the embodiment of the present application also provides a wireless communication method, including:
  • the network device sends a first control information format and a first physical channel, the first control information format is used to schedule or activate the transmission of the first physical channel, and the first control information format corresponds to the first state or the second state ;
  • the network device receives the first hybrid automatic repeat request response HARQ-ACK information sent by the terminal device according to the first control information format; or,
  • the network device does not expect to receive the first HARQ-ACK information sent by the terminal device according to the first control information format, where the first HARQ -ACK information includes HARQ-ACK information corresponding to the first physical channel.
  • An embodiment of the present application also provides a terminal device, including:
  • the receiving module is configured to receive a first control information format and a first physical channel, the first control information format is used to schedule or activate the transmission of the first physical channel, and the first control information format corresponds to the first state or Second state
  • the sending module is configured to send the first hybrid automatic repeat request response HARQ-ACK information according to the first control information format when the first control information format corresponds to the first state; when the first control information format corresponds to In the second state, the sending module 320 does not send the first HARQ-ACK information according to the first control information format, where the first HARQ-ACK information includes HARQ-ACK information corresponding to the first physical channel .
  • the embodiment of the present application also provides a network device, including:
  • the sending module is configured to send a first control information format and a first physical channel, the first control information format is used to schedule or activate the transmission of the first physical channel, and the first control information format corresponds to the first state or Second state
  • the receiving module is configured to receive the first hybrid automatic repeat request response HARQ-ACK information sent by the terminal device according to the first control information format when the first control information format corresponds to the first state; When the control information format corresponds to the second state, the receiving module 420 does not expect to receive the first HARQ-ACK information sent by the terminal device according to the first control information format, where the first HARQ-ACK information includes HARQ-ACK information corresponding to the first physical channel.
  • An embodiment of the present application further provides a terminal device, including: a processor and a memory, the memory is used to store a computer program, the processor calls and runs the computer program stored in the memory, and executes the wireless communication as described above method.
  • An embodiment of the present application further provides a network device, including: a processor and a memory, the memory is used to store a computer program, the processor calls and runs the computer program stored in the memory, and executes the wireless communication as described above method.
  • An embodiment of the present application also provides a chip, including a processor, configured to call and run a computer program from a memory, so that a device installed with the chip executes the wireless communication method described above.
  • An embodiment of the present application also provides a computer-readable storage medium for storing a computer program, where the computer program enables a computer to execute the wireless communication method as described above.
  • An embodiment of the present application also provides a computer program product, including computer program instructions, where the computer program instructions cause a computer to execute the wireless communication method as described above.
  • An embodiment of the present application also provides a computer program that causes a computer to execute the wireless communication method described above.
  • the first control information format may correspond to the first state or the second state, for example, the HARQ feedback function state is the enabled state or the disabled state, and the state corresponding to the first control information format is the same as the received state.
  • the terminal device can determine whether the second control information format exists according to the state corresponding to the first control information format, and then determine whether to receive the second control information format to obtain The resource indication information in the second control information format is used for data transmission, which optimizes the data transmission mechanism.
  • Fig. 1 is a schematic diagram of a communication system architecture according to an embodiment of the present application.
  • FIG. 2 is a schematic flowchart of a wireless communication method on the terminal device side according to an embodiment of the present application.
  • Fig. 3 is a schematic flowchart of a wireless communication method on the network device side according to an embodiment of the present application.
  • FIG. 4 is a schematic flowchart of a wireless communication method on the terminal device side according to another embodiment of the present application.
  • FIG. 5 is a schematic flowchart of a wireless communication method on the network device side according to another embodiment of the present application.
  • FIG. 6 is a schematic diagram of the effect of the use state of the HARQ process with HARQ feedback disabling in the downlink carrier according to the embodiment of the present application.
  • FIG. 7 is a schematic diagram of PDSCH scheduling using the first DCI format in downlink scheduling in an embodiment of the present application.
  • FIG. 8 is a schematic diagram of scheduling a PDSCH using a first DCI format and a second DCI format in downlink scheduling in an embodiment of the present application.
  • FIG. 9 is a schematic structural block diagram of a terminal device according to an embodiment of the present application.
  • FIG. 10 is a schematic structural block diagram of a network device according to an embodiment of the present application.
  • FIG. 11 is a schematic structural block diagram of a terminal device according to another embodiment of the present application.
  • FIG. 12 is a schematic structural block diagram of a network device according to another embodiment of the present application.
  • FIG. 13 is a schematic block diagram of a communication device according to an embodiment of the present application.
  • FIG. 14 is a schematic block diagram of a chip of an embodiment of the present application.
  • FIG. 15 is a schematic block diagram of a communication system according to an embodiment of the present application.
  • GSM Global System of Mobile Communication
  • CDMA 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
  • evolution system of NR system LTE (LTE-based access to unlicensed spectrum, LTE-U) system on unlicensed spectrum, NR (NR-based access to unlicensed spectrum) unlicensed spectrum, NR-U) system, non-terrestrial communication network (Non-Terrestrial Networks, NTN) system, Universal Mobile Telecommunication System (UMTS), wireless local area network (Wireless Local Area Networks, WLAN), wireless fidelity (Wireless Fidelity, WiFi), the fifth-generation communication (5th-Generation, 5G) system, or other communication systems, etc.
  • GSM Global System of Mobile Communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • D2D Device to Device
  • M2M Machine to Machine
  • MTC machine type communication
  • V2V vehicle to vehicle
  • V2X vehicle to everything
  • the communication system of the embodiment of the present application can be applied to carrier aggregation (CA) scenarios, can also be applied to dual connectivity (DC) scenarios, and can also be applied to standalone (SA) network deployment Scenes.
  • CA carrier aggregation
  • DC dual connectivity
  • SA standalone
  • the communication system in the embodiment of the present application may be applied to 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 licensed spectrum.
  • the embodiments of this application describe various embodiments in combination with network equipment and terminal equipment.
  • the terminal equipment may also be referred to as User Equipment (UE), access terminal, subscriber unit, user station, mobile station, mobile station, and remote station. Station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • UE User Equipment
  • the terminal device can be a station (STAION, ST) in a WLAN, a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, and 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 terminal devices in NR networks, or in the future Terminal equipment in the evolved Public Land Mobile Network (PLMN) network.
  • STAION, ST station
  • WLAN Wireless Local Loop
  • PDA Personal Digital Assistant
  • 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).
  • 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).
  • First class 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).
  • the terminal device may be a mobile phone (Mobile Phone), a tablet computer (Pad), a computer with wireless transceiver function, a 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, and 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.
  • Mobile Phone Mobile Phone
  • a tablet computer Pad
  • a computer with wireless transceiver function a virtual reality (VR) terminal device
  • 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, and 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.
  • AR Augmented Reality
  • the terminal device may also be a wearable device.
  • Wearable devices can also be called wearable smart devices. It is a general term for using wearable technology to intelligently design everyday wear and develop wearable devices, such as glasses, gloves, watches, clothing and shoes.
  • a wearable device is a portable device that is directly worn on the body or integrated into the user's clothes or accessories. Wearable devices are not only a kind of hardware device, but also realize powerful functions through software support, data interaction, and cloud interaction.
  • wearable smart devices include full-featured, large-sized, complete or partial functions that can be achieved without relying on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application function, and need to cooperate with other devices such as smart phones.
  • the network device may be a device used to communicate with mobile devices, the network device may be an access point (AP) in WLAN, a base station (Base Transceiver Station, BTS) in GSM or CDMA , It can also be a base station (NodeB, NB) in WCDMA, or an evolved base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station or access point, or vehicle equipment, wearable devices, and NR networks Network equipment (gNB) in the PLMN network or network equipment in the PLMN network that will evolve in the future.
  • AP access point
  • BTS Base Transceiver Station
  • NodeB base station
  • eNB evolved base station
  • gNB Network Equipment
  • the network device may have mobile characteristics, for example, the network device may be a mobile device.
  • the network equipment can 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, or a high elliptical orbit (High Elliptical Orbit, HEO). ) Satellite etc.
  • the network device may also be a base station installed in a location such as land or water.
  • the network equipment may provide services for the cell, and the terminal equipment communicates with the network equipment through the transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell, and the cell may be a network equipment ( For example, the cell corresponding to the base station.
  • the cell can belong to a macro base station or a base station corresponding to a small cell.
  • the small cell here can include: Metro cell, Micro cell, and Pico cell. Pico cells, femto cells, etc. These small cells have the characteristics of small coverage and low transmit power, and are suitable for providing high-rate data transmission services.
  • FIG. 1 schematically shows one network device 1100 and two terminal devices 1200.
  • the wireless communication system 1000 may include multiple network devices 1100, and the coverage of each network device 1100 may include other numbers
  • the terminal device of this application does not limit this.
  • the wireless communication system 1000 shown in FIG. 1 may also include other network entities such as mobility management entities (Mobility Management Entity, MME), access and mobility management functions (Access and Mobility Management Function, AMF).
  • MME Mobility Management Entity
  • AMF Access and Mobility Management Function
  • the network equipment can schedule PDSCH transmission for the terminal equipment through the downlink authorized DCI.
  • the downlink authorized DCI may include physical uplink control channel (Physical Uplink Control Channel, PUCCH) resource indication information.
  • PUCCH Physical Uplink Control Channel
  • the terminal device After receiving the PDSCH, the terminal device will decode the PDSCH result (acknowledgement of ACK information or negative acknowledgement of NACK information) The PUCCH resource is fed back to the network device.
  • the DCI format for PDSCH scheduling includes DCI format 1_0, DCI format 1_1, and DCI format 1_2.
  • Table 1, Table 2, and Table 3 respectively show the current DCI format 1_0, DCI format 1_1, and DCI format 1_2 including information fields and bit sizes.
  • DCI domain Number of bits Identifier for DCI formats 1 Carrier indicator 0,1,2 or 3 Bandwidth part indicator 0,1 or 2 Frequency domain resource assignment Determined according to N DL BWP RB Time domain resource assignment 0,1,2,3,or 4 VRB-to-PRB mapping 0 or 1 PRB bundling size indicator 0 or 1 Rate matching indicator 0,1 or 2 ZP CSI-RS trigger 0,1 or 2 Modulation and coding scheme 5 New data indicator 1 Redundancy version 0,1 or 2 HARQ process number 0,1,2,3 or 4 Downlink assignment index 0,1,2,or 4 TPC command for scheduled PUCCH 2 PUCCH resource indicator 0,1,2,or 3 PDSCH-to-HARQ_feedback timing indicator 0,1,2,or 3 Antenna port(s) 0,4,5,or 6 Transmission configuration indication 0,1,2,or 3 SRS request 0,1,2,or 3 DMRS sequence initialization 0 or 1 Priority indicator 0 or 1
  • the DCI format includes "ChannelAccess-CPext "Information field; if the communication transmission between network equipment and terminal equipment occurs on the licensed spectrum, the "ChannelAccess-CPext" information field is not included in the DCI format.
  • the presence or size of some of the information fields can be configured by the network device through high-level parameters, such as radio resource control (Radio Resource Control, RRC) parameters.
  • RRC Radio Resource Control
  • the embodiments of this application include at least part of the following content.
  • correlate may indicate a direct correspondence or an indirect correspondence relationship between the two, and may also refer to a relationship between indicating and being indicated, configuration and being configured.
  • An embodiment of the present application provides a wireless communication method. Referring to FIG. 2, the method is applied to a terminal device, and the method includes:
  • a terminal device receives a first control information format, where the first control information format is used to schedule or activate transmission of a first physical channel, and the first control information format corresponds to a first state or a second state;
  • the terminal device receives the first physical channel, where the first control information format corresponds to a first state, and the first physical channel includes a second control information format; or, the first control information format corresponds to In the second state, the first physical channel does not include the second control information format.
  • the first state includes that the HARQ feedback function state is an enabled state.
  • the second state includes that the HARQ feedback function state is a disabled state.
  • the HARQ feedback function state corresponding to the downlink HARQ process or the uplink HARQ process of the terminal device may be a non-enabled state, and the non-enabled state is also called a disabled state.
  • the network device may configure the HARQ feedback function state corresponding to part or all of the HARQ process of the terminal device to an enabled state or a non-enabled state.
  • the terminal device is instructed that at least part of the downlink HARQ process or the HARQ feedback function state corresponding to at least part of the uplink HARQ process is in the disabled state.
  • the terminal device needs to send the TB to the network device after receiving the transport block (TB) through the HARQ process Corresponding HARQ-ACK information; or, the terminal device needs to receive feedback from the network device on the TB before it can use the HARQ process again; or, the terminal device does not expect the network device to re-use the uplink feedback resources corresponding to the TB, such as PUCCH resources, before the end Use the HARQ process to schedule downlink transmission; or, the terminal device needs to perform corresponding HARQ-ACK information feedback according to the DCI that schedules the TB; or, the terminal device transmits the DCI of the first physical channel through the HARQ process according to the schedule to send the data to the network device HARQ-ACK information corresponding to the first physical channel transmitted in the HARQ process.
  • the terminal device transmits the DCI of the first physical channel through the HARQ process according to the schedule to send the data to the network device HARQ-ACK information corresponding to the first physical channel transmitted in the HARQ process.
  • the terminal device does not need to send the HARQ-ACK corresponding to the TB to the network device after receiving the TB through the HARQ process Information; or, the terminal device can reuse the HARQ process without receiving feedback from the network device on the TB; or, the terminal device does not have a preset time limit when the receiving network device uses the HARQ process again to schedule downlink transmission; or , The terminal device does not need to perform the corresponding HARQ-ACK information feedback according to the DCI that schedules the TB; or, the terminal device does not transmit the DCI of the first physical channel through the HARQ process according to the schedule, and sends the first physical channel transmitted in the HARQ process to the network device.
  • HARQ-ACK information corresponding to a physical channel.
  • the HARQ-ACK information includes ACK information or NACK information corresponding to the decoding result of the TB.
  • the terminal device if the HARQ feedback function status corresponding to a HARQ process is enabled, then after the terminal device sends the transport block TB through the HARQ process, it needs to receive feedback from the network device on the TB before it can be used again
  • the HARQ process for example, the HARQ process is used to send a new TB or the TB is sent again; or, the terminal device waits for the network device's feedback on the first physical channel transmitted in the HARQ process.
  • the HARQ feedback function status corresponding to a HARQ process is in the disabled state, it means that after the terminal device sends the TB through the HARQ process, it does not need to receive feedback from the network device on the TB.
  • Use the HARQ process again for example, use the HARQ process to send a new TB or send the TB again); or, the terminal device does not wait for the network device's feedback on the first physical channel transmitted in the HARQ process.
  • the time interval between two uses of the same HARQ process is greater than or equal to the first time length, and/or the time interval between two uses of the same HARQ process may be less than the second time length.
  • the first time length is determined according to the decoding time of the receiving device.
  • the second time length is determined based on RTT, or if the HARQ process is a downlink HARQ process, the second time length is based on the time domain position of the uplink feedback resource, such as the closest possible position or the farthest possible position Or the indicated location is determined.
  • the first time length is less than the second time length.
  • the first control information format may correspond to the first state or the second state, for example, the HARQ feedback function state is the enabled state or the disabled state, and the state corresponding to the first control information format is the same as the received state.
  • the terminal device can determine whether the second control information format exists according to the state of the first control information format, and then determine whether to receive the second control information format to obtain the first control information format. 2.
  • the resource indication information in the control information format is used for data transmission.
  • an embodiment of the present application also provides a wireless communication method.
  • the method is applied to a network device and includes:
  • the first control information format corresponds to a first state, and the first physical channel includes a second control information format; or,
  • the first control information format corresponds to the second state, and the first physical channel does not include the second control information format.
  • the network device sends the first physical channel and the first control information format to the terminal device, and uses the two states corresponding to the first control information to indicate whether the first physical channel contains the second control Information format, so that the terminal device can determine whether to receive the second control information format, so as to obtain the resource indication information in the second control information format for data transmission.
  • the first control information format corresponding to the first state or the second state includes: the first physical channel scheduled by the first control information format corresponds to the first state or the second state. Two states; or, the first physical channel activated by the first control information format corresponds to the first state or the second state.
  • the first physical channel includes a dynamically scheduled physical channel
  • the HARQ feedback function state of the HARQ process corresponding to the first physical channel scheduled by the first control information format is an enabled state or a disabled state.
  • the first physical channel includes a semi-persistent scheduling or pre-configured physical channel, and the HARQ feedback function status of the HARQ process corresponding to the first physical channel activated by the first control information format is enabled or disabled. Enable state.
  • the first control information format corresponds to a first state
  • the first physical channel includes a second control information format, including:
  • the first physical channel includes a second control information format
  • the first control information format corresponds to the first state.
  • the first physical channel includes the second control information format.
  • the HARQ feedback function state of the HARQ process corresponding to the first physical channel scheduled by the first control information format is the enabled state.
  • the first control information format corresponds to the second state, and the first physical channel does not include the second control information format, including:
  • the second control information format is not included in the first physical channel; or, if the second control information format is not included in the first physical channel, then the The first control information format corresponds to the second state.
  • the second control information format is not included in the first physical channel .
  • the HARQ feedback function status of the HARQ process corresponding to the first physical channel scheduled by the first control information format is disabled state.
  • the first control information format corresponding to the first state or the second state includes:
  • the first indication information included in the first control information format indicates the first state or the second state; or,
  • the first indication information included in the first control information format indicates whether the second control information format is included in the first physical channel.
  • the "indication" mentioned in the embodiments of the present application may be a direct indication, an indirect indication, or an association relationship.
  • a indicates B which can mean that A directly indicates B, for example, B can be obtained through A; it can also indicate that A indirectly indicates B, for example, A indicates C, and B can be obtained through C; it can also mean that there is an association between A and B relation.
  • the first indication information includes independent indication information.
  • the first indication information includes 1 bit
  • the first state of the first indication information such as "1”
  • the first physical channel includes the second control information format
  • the first indication The second state of the information such as "0” may indicate that the second state, for example, the HARQ feedback function is in the disabled state or that the second control information format is not included in the first physical channel.
  • the first indication information includes HARQ process indication information
  • the terminal device may obtain the first state or the second state corresponding to the first control information format according to the HARQ process indication information.
  • the network device configures the HARQ feedback function state corresponding to HARQ processes 0 to 7 to the enabled state, and the HARQ feedback function state corresponding to HARQ processes 8 to 15 to the disabled state through high-level signaling such as RRC parameters. If the terminal device receives the HARQ process indication information in the first DCI indicating HARQ5, the terminal device can determine that the HARQ feedback function status corresponding to the first physical channel scheduled by the first control information or the first control information is the enabled state, or the terminal device It may be determined that the first physical channel includes the second control information format.
  • the terminal device may determine that the HARQ feedback function state corresponding to the first physical channel scheduled by the first control information or the first control information is in the disabled state, or The terminal device may determine that the second control information format is not included in the first physical channel.
  • the first control information format corresponding to the first state or the second state includes:
  • the second indication information corresponding to the first control information format indicates the first state or the second state; or, the second indication information corresponding to the first control information format indicates whether the first physical channel includes all The second control information format.
  • the second indication information corresponding to the first control information format includes the wireless network device temporary identifier RNTI corresponding to the first control information format, the search space set corresponding to the first control information format, and the first control information format. At least one of the aggregation levels corresponding to a control information format.
  • the first control information format includes third indication information, and the third indication information is used to obtain that the second control information format is in the first physical channel.
  • the third indication information indicates the first code rate compensation factor ⁇ of the second control information format, and ⁇ is used to determine the ratio of the total number of bits of the second control information format to the total number of bits of data in the first physical channel, thereby Determining the number of resource elements (RE) occupied by the second control information format in the resource corresponding to the first physical channel; and/or the third indication information indicates the second rate compensation factor ⁇ of the second control information format, ⁇ is used to determine the upper limit of the number of REs occupied by the second control information format.
  • RE resource elements
  • the first control information format includes fourth indication information, and the fourth indication information is used to indicate the number of repeated transmissions corresponding to the first physical channel. For example, if the fourth indication information indicates 2, then the terminal device expects to receive two repeated transmissions of the first physical channel. For another example, when the first control information format corresponds to the first state, the fourth indication information indicates N1, and when the first control information format corresponds to the second state, the fourth indication information indicates N2, and N1 is less than or equal to N2, or The maximum value in the value range of N1 is less than or equal to the maximum value in the value range of N2.
  • the first control information format does not include at least one of the following indication information: HARQ process number, new data indicator (NDI), redundancy version (Redundancy version) , RV), downlink assignment index (Downlink assignment index, DAI), scheduling PUCCH transmit power control (Transmitting power control, TPC) command, PUCCH resource indicator, PDSCH to HARQ feedback timing indicator.
  • indication information HARQ process number, new data indicator (NDI), redundancy version (Redundancy version) , RV), downlink assignment index (Downlink assignment index, DAI), scheduling PUCCH transmit power control (Transmitting power control, TPC) command, PUCCH resource indicator, PDSCH to HARQ feedback timing indicator.
  • the second control information format is independent coding or the second control information format corresponds to independent Cyclic Redundancy Check (CRC).
  • CRC Cyclic Redundancy Check
  • the first bit sequence corresponding to the first physical channel corresponds to the second control information format
  • the multiplexing modes of the second bit sequence include:
  • the symbol mapped by the second bit sequence is not later than the symbol mapped by the first bit sequence in the time domain; and/or, the second bit sequence is concatenated before the first bit sequence.
  • the first bit sequence includes a bit sequence obtained by encoding a transport block carried by the first physical channel
  • the second bit sequence includes a bit sequence obtained by encoding information bits in the second control information format.
  • the second bit sequence is concatenated before the first bit sequence, and the concatenated bit sequence is modulated to map the modulation symbol to the RE corresponding to the first physical channel; or, the first bit sequence and the second bit sequence are independent
  • the modulation symbols modulated by the second bit sequence are mapped first, and then the modulation symbols modulated by the first bit sequence are mapped.
  • the first bit sequence includes the bit sequence corresponding to the transport block carried by the first physical channel
  • the second bit sequence includes the bit sequence corresponding to the information bits in the second control information format.
  • the second bit sequence is concatenated before the first bit sequence, and after the concatenated bit sequence is encoded and modulated, the modulation symbol is mapped to the RE corresponding to the first physical channel.
  • the sequence of resource mapping includes: mapping to REs included in symbols with a smaller symbol index in the time domain, and then mappings to REs included in symbols with a larger symbol index; for resources included in the same symbol Block (Resource Block, RB), map the REs included in the RB with the smaller RB index first, and then map the REs included in the RB with the larger RB index; for the REs included in the same RB, map the REs with the smaller subcarrier index first , And then map the RE with the larger sub-carrier index.
  • Resource Block Resource Block
  • the first state includes that the HARQ feedback function state corresponding to the first physical channel is an enabled state
  • the second control information format includes at least one of the following indication information:
  • HARQ process number new data indicator NDI, redundancy version RV, downlink allocation index DAI, scheduling physical uplink control channel PUCCH transmit power control TPC command, PUCCH resource indicator, PDSCH to HARQ feedback timing indicator.
  • the terminal device sends first HARQ feedback information according to the first control information format and/or the second control information format, and the first HARQ feedback information includes all The positive acknowledgement ACK information or the negative acknowledgement NACK information corresponding to the first physical channel.
  • the second state includes that the HARQ feedback function state corresponding to the first physical channel is a disabled state, and the method further includes:
  • the terminal device does not send first HARQ feedback information according to the first control information format, and the first HARQ feedback information includes positive acknowledgement ACK information or negative acknowledgement NACK information corresponding to the first physical channel.
  • the first control information format includes a first downlink control information DCI format
  • the second control information format includes a second DCI format
  • the first control information format includes a second DCI format.
  • the physical channel includes the first physical downlink shared channel PDSCH.
  • the first control information format includes a first DCI format
  • the second control information format includes a first uplink control information UCI format
  • the first physical The channel includes the first physical uplink shared channel PUSCH.
  • the downlink control information format also includes downlink control information
  • the uplink control information format also includes uplink control information
  • an embodiment of the present application also provides a wireless communication method, which is applied to a terminal device. Referring to FIG. 4, it includes:
  • a terminal device receives a first control information format and a first physical channel, where the first control information format is used to schedule or activate the transmission of the first physical channel, and the first control information format corresponds to the first state or the first physical channel.
  • the terminal device sends the first hybrid automatic repeat request response HARQ-ACK information according to the first control information format; or,
  • the terminal device does not send the first HARQ-ACK information according to the first control information format, where the first HARQ-ACK information includes all HARQ-ACK information corresponding to the first physical channel.
  • an embodiment of the present application also provides a wireless communication method, which is applied to a network device.
  • the method includes:
  • a network device sends a first control information format and a first physical channel, where the first control information format is used to schedule or activate the transmission of the first physical channel, and the first control information format corresponds to the first state or the first physical channel.
  • the network device receives the first hybrid automatic repeat request response HARQ-ACK information sent by the terminal device according to the first control information format; or,
  • the network device does not expect to receive the first HARQ-ACK information sent by the terminal device according to the first control information format, where the first HARQ-ACK information
  • One HARQ-ACK information includes HARQ-ACK information corresponding to the first physical channel.
  • the first state includes that the HARQ feedback function state of hybrid automatic repeat request is enabled; and/or, the second state includes that the HARQ feedback function state is disabled state.
  • the first control information format corresponds to the first state or the second state, including: the first physical channel scheduled or activated by the first control information format corresponds to the first State or second state.
  • the terminal device sending the first hybrid automatic repeat request response HARQ-ACK information according to the first control information format includes: the terminal device according to the first configuration information and The first HARQ-ACK information is sent in the first control information format, and the first configuration information includes information used to obtain feedback resources for sending the first HARQ-ACK information.
  • the first configuration information includes at least one of the following indication information: a transmit power control TPC command for scheduling a physical uplink control channel PUCCH, a PUCCH resource indication, and a PDSCH to HARQ feedback timing indication.
  • the first control information format does not include at least one of the following indication information: redundancy version RV, downlink allocation index DAI, transmit power control TPC for scheduling the physical uplink control channel PUCCH Command, PUCCH resource indicator, PDSCH to HARQ feedback timing indicator.
  • the first control information format includes a first DCI format.
  • the first configuration information is configured according to high-level parameters.
  • the first configuration information includes radio resource control (Radio Resource Control, RRC) signaling and/or media access control element (Media Access Control Control Element, MAC CE).
  • RRC Radio Resource Control
  • MAC CE Media Access Control Control Element
  • Figure 6 schematically shows the use process of the HARQ process with HARQ feedback disabled in the downlink carrier.
  • the HARQ process 7 with HARQ feedback disabled when the terminal device receives the HARQ process 7 from the network device And the NDI information corresponding to the HARQ process 7 is overturned, it means that the HARQ process 7 is used to transmit a new data packet.
  • the terminal device does not need to feed back to the network device.
  • the terminal device can determine the HARQ process that does not require HARQ-ACK information feedback according to the first control information format, and can also determine the HARQ process that needs HARQ-ACK information feedback.
  • the terminal device receives the first DCI format, the first DCI format instructs to transmit the first PDSCH according to the first HARQ process; the terminal device determines that the first HARQ process corresponds to the first HARQ process according to the first DCI format The status of the HARQ feedback function is enabled or disabled, and the first DCI does not include uplink resource indication information for HARQ-ACK feedback; wherein, if the terminal device determines that the HARQ feedback corresponding to the first HARQ process The function state is the enabled state, and the terminal device receives the second DCI format.
  • the second DCI format includes uplink resource indication information for HARQ-ACK feedback, such as PUCCH resource indication information or PUCCH TPC command.
  • the first DCI format and the second DCI format send the ACK information or NACK information corresponding to the first PDSCH, or if the terminal device determines that the HARQ feedback function status corresponding to the first HARQ process is in the disabled state, the terminal device does not receive the second DCI Format, or the terminal device does not send the ACK information or NACK information corresponding to the first PDSCH according to the first DCI format.
  • the terminal device receives the first DCI format, the first DCI format instructs to transmit the first PDSCH according to the first HARQ process; the terminal device determines the HARQ feedback corresponding to the first HARQ process according to the first DCI format The function status is enabled or disabled, and the first DCI does not include uplink resource indication information for HARQ-ACK feedback; wherein, if the terminal device determines that the HARQ feedback function status corresponding to the first HARQ process is In the enabled state, the terminal device obtains the uplink resource indication information for HARQ-ACK feedback according to the high-level parameters of the network device, such as the indication information of the PUCCH resource or the TPC command of the PUCCH, and the terminal device sends it according to the first DCI format and the high-level parameter The ACK information or NACK information corresponding to the first PDSCH, or if the terminal device determines that the HARQ feedback function status corresponding to the first HARQ process is in the disabled state, the terminal device does not send the
  • Figures 7 and 8 respectively show schematic diagrams of using the first DCI format ( Figure 7) and using the first DCI format and the second DCI format ( Figure 8) to schedule the first PDSCH in downlink scheduling. Since the first DCI format no longer includes the uplink resource indication information used for HARQ-ACK feedback, the number of information bits in the first DCI format can be reduced, and the detection reliability of the first DCI can be enhanced.
  • the HARQ process of information feedback adopts the second DCI format for instructions to ensure correct data transmission.
  • each DCI format includes multiple information fields for terminal equipment to perform uplink HARQ feedback, or in other words, for terminal equipment to feedback PDSCH transmission correspondence HARQ-ACK information. If a certain HARQ process is a HARQ process with uplink HARQ feedback disabled, then for this HARQ process, all information fields used for terminal equipment to perform uplink HARQ feedback do not need to be indicated by DCI.
  • the second DCI format in the embodiment of the application includes these corresponding information fields, which can be Let the second DCI format be transmitted together with the physical channel.
  • the second DCI format is carried by the first PDSCH.
  • the terminal device determines the HARQ feedback function status corresponding to the first HARQ process according to the first DCI format, including at least one of the following situations:
  • the HARQ feedback function status corresponding to the first HARQ process can be determined according to the first indication information included in the first DCI format, where the first indication information may be a display indication or an implicit indication.
  • the HARQ feedback function status corresponding to the first HARQ process can be determined according to the second indication information corresponding to the first DCI format, such as RNTI, search space set or aggregation level information.
  • the terminal device is configured with a first RNTI and a second RNTI, where the first RNTI is used to scramble the downlink grant DCI corresponding to the HARQ process that is disabled for uplink HARQ feedback, and the second RNTI is used to scramble the uplink HARQ feedback to enable The downlink authorized DCI corresponding to the HARQ process.
  • Case 1 If the terminal device determines that the HARQ feedback function status corresponding to the first HARQ process is enabled, the terminal device receives a second DCI format, where the second DCI format includes an uplink resource indication for HARQ-ACK feedback information.
  • the second DCI format is carried in the first PDSCH.
  • the second DCI format is independent coding.
  • mapping position of the second DCI format in the first PDSCH is in front of the data bit, for example, not later than the data bit in the time domain or concatenated before the data bit.
  • Case 2 If the terminal device determines that the HARQ feedback function state corresponding to the first HARQ process is in the disabled state, the terminal device does not receive the second DCI format.
  • the first PDSCH does not include DCI information.
  • the first DCI format does not include at least one of the following information fields: Downlink assignment index (DAI), PUCCH TPC command, PUCCH resource indicator, PDSCH to HARQ feedback timing indicator.
  • DAI Downlink assignment index
  • PUCCH TPC command PUCCH TPC command
  • PUCCH resource indicator PUCCH resource indicator
  • PDSCH HARQ feedback timing indicator
  • the first DCI format includes third indication information, and the third indication information is used to indicate resources occupied by the second DCI.
  • the first DCI format includes fourth indication information, and the fourth indication information is used to indicate the number of repetitions corresponding to the first PDSCH.
  • the second DCI format includes the following information field: TPC command for PUCCH.
  • the second DCI format includes at least one of the following information fields: DAI, PUCCH resource indicator, PDSCH to HARQ feedback timing indicator, One-shot HARQ-ACK feedback request, PDSCH grouping indicator, new feedback indicator, trigger Feedback group instructions.
  • the second DCI format includes at least one of the following information fields: new data indicating NDI, redundancy version information, and HARQ process number.
  • the DCI fields in the current DCI format 1_0, DCI format 1_1, and DCI format 1_2 are used as the comparison objects.
  • Table 4 to Table 6 List multiple implementation forms or multiple situations of the first DCI format in the embodiments of the present application.
  • 0 bit indicates that the information field is not included in the first DCI format.
  • Example 1 DCI field included in the first DCI format
  • Example 2 DCI field included in the first DCI format
  • Example 3 DCI field included in the first DCI format
  • DCI fields in the current DCI format 1_0, DCI format 1_1, and DCI format 1_2 are used as comparison objects.
  • Tables 7 to 9 list multiple implementation forms or multiple implementations of the second DCI format in the embodiments of this application. Condition.
  • 0 bit indicates that the information field is not included in the second DCI format.
  • Example 1 DCI field included in the second DCI format
  • Example 2 DCI field included in the second DCI format
  • Example 3 DCI field included in the second DCI format
  • the terminal device can determine whether the corresponding HARQ process needs to perform HARQ-ACK information feedback according to the first DCI format, and the first DCI format Excluding the indication information of the uplink resources used for HARQ-ACK feedback, it is equivalent to uniformly designing the DCI of the PDSCH that requires HARQ-ACK information feedback for scheduling and the PDSCH that does not require HARQ-ACK information feedback, reducing the information of DCI The number of domain bits does not appear to be different in the number of DCI information bits, which can achieve the effect of not requiring additional blind detection times and improving the reliability of DCI detection.
  • the first control information format includes the first DCI format
  • the second control information format includes the second DCI format
  • the first physical channel includes the first PDSCH.
  • the embodiments of this application are also applicable to uplink transmission.
  • the first control information format may be the first DCI format
  • the second control information format may be the first uplink control information UCI format
  • the first physical channel may be the first DCI format.
  • the terminal device receives the first DCI format, the first DCI format instructs to transmit the first PUSCH according to the first HARQ process; the terminal device determines according to the first DCI format that the HARQ feedback function status corresponding to the first HARQ process is enabled State or non-enabled state.
  • the terminal device determines that the HARQ feedback function status corresponding to the first HARQ process is enabled, the first PUSCH sent by the terminal device includes the first UCI, or if the terminal device determines the first HARQ process The corresponding HARQ feedback function state is in the disabled state, and the first PUSCH sent by the terminal device does not include the first UCI.
  • the terminal device determines that the HARQ feedback function status corresponding to the first HARQ process is enabled, the first PUSCH sent by the terminal device does not include the first UCI, or if the terminal device determines that the first The HARQ feedback function state corresponding to the HARQ process is in the disabled state, and the first PUSCH sent by the terminal device includes the first UCI.
  • the first UCI may further include fifth indication information, and the fifth indication information is used to indicate the number of repeated transmissions corresponding to the first PUSCH.
  • an embodiment of the present application further provides a terminal device 100. Referring to FIG. 9, it includes:
  • the first receiving module 110 is configured to receive a first control information format, where the first control information format is used to schedule or activate the transmission of a first physical channel, and the first control information format corresponds to the first state or the second state;
  • the second receiving module 120 is configured to receive the first physical channel, where the first control information format corresponds to a first state, and the first physical channel includes a second control information format; or, the first The control information format corresponds to the second state, and the second control information format is not included in the first physical channel.
  • an embodiment of the present application further provides a network device 200, referring to FIG. 10, which includes:
  • the sending module 210 is configured to send a first physical channel and a first control information format to a terminal device, the first control information format is used to schedule or activate the transmission of the first physical channel, and the first control information format corresponds to the first State or second state;
  • the first control information format corresponds to a first state, and the first physical channel includes a second control information format; or,
  • the first control information format corresponds to the second state, and the first physical channel does not include the second control information format.
  • the first state includes that the HARQ feedback function state of hybrid automatic repeat request is enabled; and/or, the second state includes that the HARQ feedback function state is disabled state.
  • the first control information format does not include at least one of the following indication information: downlink allocation index DAI, transmission power control TPC command for scheduling physical uplink control channel PUCCH, PUCCH resource indication , PDSCH to HARQ feedback timing indication.
  • the first state includes that the HARQ feedback function state corresponding to the first physical channel is an enabled state
  • the second control information format includes at least one of the following indication information: HARQ Process number, new data indicator NDI, redundancy version RV, downlink allocation index DAI, transmit power control TPC command for scheduling physical uplink control channel PUCCH, PUCCH resource indicator, PDSCH to HARQ feedback timing indicator.
  • the first control information format includes a first downlink control information DCI format
  • the second control information format includes a second DCI format
  • the first control information format includes a second DCI format.
  • the physical channel includes the first physical downlink shared channel PDSCH.
  • the first control information format includes a first DCI format
  • the second control information format includes a first uplink control information UCI format
  • the first physical The channel includes the first physical uplink shared channel PUSCH.
  • an embodiment of the present application further provides a terminal device 300, referring to FIG. 11, including:
  • the receiving module 310 is configured to receive a first control information format and a first physical channel, the first control information format is used to schedule or activate the transmission of the first physical channel, and the first control information format corresponds to a first state Or the second state;
  • the sending module 320 is configured to send the first hybrid automatic repeat request response HARQ-ACK information according to the first control information format when the first control information format corresponds to the first state; in the first control information format When corresponding to the second state, the sending module 320 does not send the first HARQ-ACK information according to the first control information format, where the first HARQ-ACK information includes the HARQ-ACK corresponding to the first physical channel information.
  • an embodiment of the present application further provides a network device 400, referring to FIG. 12, which includes:
  • the sending module 410 is configured to send a first control information format and a first physical channel, the first control information format is used to schedule or activate the transmission of the first physical channel, and the first control information format corresponds to the first state Or the second state;
  • the receiving module 420 is configured to receive the first hybrid automatic repeat request response HARQ-ACK information sent by the terminal device according to the first control information format when the first control information format corresponds to the first state; When a control information format corresponds to the second state, the receiving module 420 does not expect to receive the first HARQ-ACK information sent by the terminal device according to the first control information format, where the first HARQ-ACK information Including HARQ-ACK information corresponding to the first physical channel.
  • the terminal device 100 and the network device 200 in the embodiments of the present application can implement the corresponding functions described in the foregoing method embodiments.
  • the corresponding functions and implementations of the respective modules (submodules, units, or components, etc.) in the terminal device 100 and the network device 200 are For the manner and beneficial effects, please refer to the corresponding description in the foregoing method embodiment, which will not be repeated here.
  • each module (sub-module, unit or component, etc.) in the terminal device 100 and network device 200 of the application embodiment can be implemented by different modules (sub-module, unit or component, etc.). It can be implemented by the same module (sub-module, unit or component, etc.).
  • the first monitoring sub-module and the second monitoring sub-module may be different modules or the same module, both of which can be implemented in this application. Examples of the corresponding functions of the terminal equipment.
  • FIG. 13 is a schematic structural diagram of a communication device 600 according to an embodiment of the present application, where the communication device 600 includes a processor 610, and the processor 610 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the communication device 600 may further include a memory 620.
  • the processor 610 may call and run a computer program from the memory 620 to implement the method in the embodiment of the present application.
  • the memory 620 may be a separate device independent of the processor 610, or may be integrated in the processor 610.
  • the communication device 600 may further include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices. Specifically, it may send information or data to other devices, or receive information or data sent by other devices. .
  • the transceiver 630 may include a transmitter and a receiver.
  • the transceiver 630 may further include an antenna, and the number of antennas may be one or more.
  • the communication device 600 may be a network device of an embodiment of the present application, and the communication device 600 may implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the communication device 600 may implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • details are not described herein again.
  • the communication device 600 may be a terminal device of an embodiment of the present application, and the communication device 600 may implement corresponding procedures implemented by the terminal device in each method of the embodiments of the present application. For brevity, details are not described herein again.
  • FIG. 14 is a schematic structural diagram of a chip 700 according to an embodiment of the present application, where the chip 700 includes a processor 710, and the processor 710 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the chip 700 may further include a memory 720.
  • the processor 710 may call and run a computer program from the memory 720 to implement the method in the embodiment of the present application.
  • the memory 720 may be a separate device independent of the processor 710, or may be integrated in the processor 710.
  • the chip 700 may further include an input interface 730.
  • the processor 710 can control the input interface 730 to communicate with other devices or chips, and specifically, can obtain information or data sent by other devices or chips.
  • the chip 700 may further include an output interface 740.
  • the processor 710 can control the output interface 740 to communicate with other devices or chips, and specifically, can output information or data to other devices or chips.
  • the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip can be applied to the terminal device in the embodiment of this application as shown in Figure 9 or Figure 11, and the chip can implement the corresponding process implemented by the terminal device in each method of the embodiment of this application.
  • the chip can implement the corresponding process implemented by the terminal device in each method of the embodiment of this application.
  • the chip mentioned in the embodiment of the present application may also be referred to as a system-level chip, a system-on-chip, a system-on-chip, or a system-on-chip, etc.
  • the aforementioned processors can be general-purpose processors, digital signal processors (digital signal processors, DSP), ready-made programmable gate arrays (field programmable gate arrays, FPGAs), application specific integrated circuits (ASICs), or Other programmable logic devices, transistor logic devices, discrete hardware components, etc.
  • DSP digital signal processors
  • FPGA field programmable gate arrays
  • ASIC application specific integrated circuits
  • the aforementioned general-purpose processor may be a microprocessor or any conventional processor.
  • the above-mentioned memory may be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (ROM), programmable read-only memory (programmable ROM, PROM), erasable programmable read-only memory (erasable PROM, EPROM), and electrically available Erase programmable read-only memory (electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be random access memory (RAM).
  • the memory in the embodiment of the present application may also be static random access memory (static RAM, SRAM), 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 to say, 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.
  • the communication system 800 includes a terminal device 810 and a network device 820.
  • the terminal device 810 can be used to implement the corresponding functions implemented by the terminal device in the methods of the various embodiments of the present application
  • the network device 820 can be used to implement the corresponding functions implemented by the network device in the methods of the various embodiments of the present application. Function. For the sake of brevity, I will not repeat them here.
  • the above embodiments it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof.
  • software it can be implemented in the form of a computer program product in whole or in part.
  • the computer program product includes one or more computer instructions.
  • the computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices.
  • the computer instruction may be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium.
  • the computer instruction may be transmitted from a website, computer, server, or data center through a cable (Such as coaxial cable, optical fiber, Digital Subscriber Line (DSL)) or wireless (such as infrared, wireless, microwave, etc.) to another website site, computer, server or data center.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server or data center integrated with one or more available media.
  • the usable medium may be a magnetic medium (for example, a floppy disk, a hard disk, and a magnetic tape), an optical medium (for example, a DVD), or a semiconductor medium (for example, a solid state disk (SSD)).
  • the size of the sequence number of the above-mentioned processes does not mean the order of execution, and the execution order of each process should be determined by its function and internal logic, and should not correspond to the embodiments of the present application.
  • the implementation process constitutes any limitation.

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Abstract

L'invention concerne un procédé de communication sans fil, un dispositif terminal et un dispositif réseau. Le procédé comprend les étapes suivantes : un dispositif terminal reçoit un premier format d'informations de commande, le premier format d'informations de commande étant utilisé pour planifier ou activer la transmission d'un premier canal physique, et le premier format d'informations de commande correspondant à un premier état ou à un second état ; et le dispositif terminal reçoit le premier canal physique, le premier format d'informations de commande correspondant au premier état, et le premier canal physique comprenant un second format d'informations de commande ; ou le premier format d'informations de commande correspondant au second état, et le premier canal physique ne comprenant pas le second format d'informations de commande. Au moyen des modes de réalisation de l'invention, un mécanisme de transmission de données peut être optimisé.
PCT/CN2020/087335 2020-04-27 2020-04-27 Procédé de communication sans fil, dispositif terminal et dispositif réseau WO2021217378A1 (fr)

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CN202080099803.0A CN115399025A (zh) 2020-04-27 2020-04-27 无线通信方法、终端设备和网络设备

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
WO2023102833A1 (fr) * 2021-12-09 2023-06-15 Oppo广东移动通信有限公司 Procédé et appareil d'indication d'état de rétroaction, dispositif terminal, et dispositif de réseau
WO2023115519A1 (fr) * 2021-12-24 2023-06-29 Lenovo (Beijing) Limited Procédé et appareil de détermination de livre de codes harq-ack

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