WO2021168835A1 - Procédé, appareil et dispositif pour déterminer l'état d'un procédé harq - Google Patents

Procédé, appareil et dispositif pour déterminer l'état d'un procédé harq Download PDF

Info

Publication number
WO2021168835A1
WO2021168835A1 PCT/CN2020/077285 CN2020077285W WO2021168835A1 WO 2021168835 A1 WO2021168835 A1 WO 2021168835A1 CN 2020077285 W CN2020077285 W CN 2020077285W WO 2021168835 A1 WO2021168835 A1 WO 2021168835A1
Authority
WO
WIPO (PCT)
Prior art keywords
information
harq process
harq
indication information
feedback function
Prior art date
Application number
PCT/CN2020/077285
Other languages
English (en)
Chinese (zh)
Inventor
吴作敏
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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/CN2020/077285 priority Critical patent/WO2021168835A1/fr
Priority to CN202080085039.1A priority patent/CN114788204B/zh
Publication of WO2021168835A1 publication Critical patent/WO2021168835A1/fr

Links

Images

Classifications

    • 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 present invention relates to the field of communication technology, and in particular to a method, device and equipment for determining the state of a HARQ process.
  • Non-terrestrial communication network refers to a communication network between terminal equipment and satellites (also called network equipment).
  • retransmission can be performed through a hybrid automatic repeat request (HARQ) mechanism.
  • HARQ hybrid automatic repeat request
  • the terminal device decodes the downlink data and sends HARQ feedback to the network device according to the decoding result.
  • the network device After the network device receives the HARQ-ACK feedback sent by the terminal device, the network device sends other downlink data corresponding to the HARQ process to the terminal device.
  • the terminal device In the uplink process, within the preset time period after the terminal device sends uplink data to the network device through the HARQ process, if the network device schedules the terminal device to transmit uplink data through the HARQ process, the terminal device ignores the HARQ process. Scheduling, that is, the terminal device does not transmit uplink data through the HARQ process. However, because the transmission delay between the terminal device and the network device is relatively large, and the number of interactions for data transmission through the HARQ mechanism is relatively large, the efficiency of data transmission through the HARQ mechanism is low.
  • the embodiment of the present application provides a method for determining the state of the HARQ process, which improves the efficiency of data transmission.
  • an embodiment of the present application provides a method for determining the status of a hybrid automatic repeat request HARQ process, including:
  • the terminal device receives instruction information sent by the network device, where the instruction information is used to determine the HARQ feedback function state of the first hybrid automatic repeat request HARQ process, and the HARQ feedback function state includes a disabled state or an enabled state;
  • the terminal device determines the HARQ feedback function status of the first HARQ process according to the indication information.
  • an embodiment of the present application provides a method for determining the status of a HARQ process
  • the network device generates indication information, the indication information is used to determine the HARQ feedback function state of the first hybrid automatic repeat request HARQ process, and the HARQ feedback function state includes a disabled state or an enabled state;
  • the network device sends the indication information to the terminal device, where the indication information is used by the terminal device to determine the HARQ feedback function status of the first HARQ process.
  • an embodiment of the present application provides an apparatus for determining the state of a HARQ process of a hybrid automatic repeat request, including: a receiving module and a processing module, where:
  • the receiving module is configured to receive indication information sent by a network device, where the indication information is used to determine the HARQ feedback function state of the first hybrid automatic repeat request HARQ process, and the HARQ feedback function state includes the disabled state or the enabled state.
  • Energy state is used to determine the HARQ feedback function state of the first hybrid automatic repeat request HARQ process, and the HARQ feedback function state includes the disabled state or the enabled state.
  • the processing module is configured to determine the HARQ feedback function status of the first HARQ process according to the indication information.
  • an embodiment of the present application provides an apparatus for determining the status of a hybrid automatic repeat request HARQ process, which includes a processing module and a sending module, where:
  • the processing module is configured to generate indication information, the indication information is used to determine the HARQ feedback function state of the first hybrid automatic repeat request HARQ process, and the HARQ feedback function state includes a disabled state or an enabled state;
  • the sending module is configured to send the indication information to the terminal device, where the indication information is used by the terminal device to determine the HARQ feedback function status of the first HARQ process.
  • an embodiment of the present application provides a terminal device, including: a transceiver, a processor, and a memory;
  • the memory stores computer execution instructions
  • the processor executes the computer-executable instructions stored in the memory, so that the processor executes the method for determining the state of the HARQ process according to any one of the first aspect.
  • an embodiment of the present application provides a network device, including: a transceiver, a processor, and a memory;
  • the memory stores computer execution instructions
  • the processor executes the computer-executable instructions stored in the memory, so that the processor executes the method for determining the status of the HARQ process according to any one of the second aspect.
  • an embodiment of the present application provides a computer-readable storage medium having computer-executable instructions stored in the computer-readable storage medium, and when the computer-executable instructions are executed by a processor, they are used to implement any one of the first aspect.
  • an embodiment of the present application provides a computer-readable storage medium having computer-executable instructions stored in the computer-readable storage medium, and when the computer-executable instructions are executed by a processor, they are used to implement any one of the second aspect.
  • the network device may indicate the HARQ feedback function status of the first HARQ process through the indication information.
  • the terminal device may determine the HARQ feedback function status of the first HARQ process according to the indication information.
  • the terminal device In the downlink process, when the first HARQ process is in the disabled state, the terminal device does not need to feed back the first HARQ process to the network device, and the network device can continue to transmit other data to the terminal device through the first HARQ process, so that The network device does not need to wait, and the data transmission efficiency between the terminal device and the network device is improved.
  • the terminal device when the first HARQ process is in the disabled state, after the terminal device transmits uplink data through the first HARQ process, the terminal device does not need to wait for the preset time, and the terminal device can be scheduled to pass through the first HARQ process again Uplink data transmission improves the efficiency of data transmission between terminal equipment and network equipment.
  • FIG. 1 is a schematic diagram of HARQ process and RTT provided by an embodiment of this application;
  • 2A is a schematic diagram of the architecture of a communication system provided by an embodiment of this application.
  • 2B is a schematic structural diagram of another communication system provided by an embodiment of this application.
  • FIG. 3 is a schematic diagram of processing a HARQ process in a non-enabled state according to an embodiment of the application
  • FIG. 4 is a schematic flowchart of a method for determining the status of a HARQ process according to an embodiment of the application
  • FIG. 5 is a schematic flowchart of another method for determining the status of a HARQ process according to an embodiment of the application
  • FIG. 6 is a schematic flowchart of another method for determining the status of a HARQ process according to an embodiment of the application
  • FIG. 7 is a schematic flowchart of still another method for determining the status of a HARQ process according to an embodiment of the application.
  • FIG. 8 is a schematic diagram of the HARQ feedback state of a HARQ process provided by an embodiment of this application.
  • FIG. 9 is a schematic diagram of the HARQ feedback state of another HARQ process provided by an embodiment of this application.
  • FIG. 10 is a schematic diagram of the HARQ feedback state of another HARQ process according to an embodiment of this application.
  • FIG. 11 is a schematic diagram of the HARQ feedback state of another HARQ process provided by an embodiment of this application.
  • FIG. 12 is a schematic structural diagram of an apparatus for determining the state of a HARQ process according to an embodiment of the application.
  • FIG. 13 is a schematic structural diagram of another HARQ process state determination apparatus provided by an embodiment of this application.
  • FIG. 14 is a schematic structural diagram of another HARQ process state determining apparatus provided by an embodiment of the application.
  • FIG. 15 is a schematic structural diagram of still another HARQ process state determining apparatus provided by an embodiment of this application.
  • FIG. 16 is a schematic structural diagram of a terminal device provided by an embodiment of this application.
  • FIG. 17 is a schematic structural diagram of a network device provided by an embodiment of the 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), next-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
  • the communication system in the embodiments of the present application can be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, can also be applied to a dual connectivity (DC) scenario, and can also be applied to a standalone (SA) deployment.
  • CA Carrier Aggregation
  • DC dual connectivity
  • SA standalone
  • the embodiment of the application does not limit the applied frequency spectrum.
  • the embodiments of this application can be applied to licensed spectrum or unlicensed spectrum (also referred to as unlicensed spectrum or shared spectrum).
  • the embodiments of this application describe various embodiments in combination with network equipment and terminal equipment.
  • the terminal equipment usually has a wireless transceiver function, which can also be called 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.
  • 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, vehicle-mounted devices, wearable devices, and next-generation communication systems, such as terminal devices in the NR network or Terminal equipment in the public land mobile network (PLMN) network that will evolve in the future.
  • 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 (virtual reality, VR) terminal device, an augmented reality (AR) ) Terminal equipment, wireless terminals in industrial control, vehicle-mounted terminal equipment, wireless terminals in self-driving (self-driving), wireless terminal equipment in remote medical, and smart grid (smart grid) Wireless terminal equipment, wireless terminal equipment in transportation safety, wireless terminal equipment in smart city, wireless terminal equipment in smart home, wearable terminal equipment, etc.
  • a virtual reality virtual reality
  • AR augmented reality
  • the terminal equipment involved in the embodiments of the present application may also be referred to as a terminal, user equipment (UE), access terminal equipment, vehicle-mounted terminal, industrial control terminal, UE unit, UE station, mobile station, mobile station, remote station , Remote terminal equipment, mobile equipment, UE terminal equipment, wireless communication equipment, UE agent or UE device, etc.
  • the terminal device can also be fixed or mobile.
  • the terminal device may be a wearable device.
  • Wearable devices can also be called wearable smart devices. It is a general term for the application of wearable technology to intelligently design daily 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 equipment can be an Access Point (AP) in WLAN, a Base Transceiver Station (BTS) in GSM or CDMA, a base station (NodeB, NB) in WCDMA, or a base station in LTE Evolutional Node B (eNB or eNodeB), or relay station or access point, or in-vehicle equipment, wearable equipment, and network equipment (gNB) in the NR network or network equipment in the future evolved PLMN network, etc.
  • AP Access Point
  • BTS Base Transceiver Station
  • NodeB base station
  • eNB LTE Evolutional Node B
  • 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 provides 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.
  • the cell may be a network
  • the cell corresponding to the device such as a 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, Pico 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.
  • Downlink control information For terminal devices with downlink services, the network device can schedule the physical downlink shared channel (PDSCH) transmission for the terminal device through the downlink authorized DCI.
  • the downlink authorized DCI includes physical uplink control channel (PUCCH) resource indication information.
  • the terminal device After the terminal device receives the PDSCH, the terminal device can determine the decoding result (ACK or NACK information) of the PDSCH, and pass the The PUCCH resource feeds back the decoding result to the network device.
  • the DCI format for PDSCH scheduling includes DCI format 1_0, DCI format 1_1, and DCI format 1_2. In the following, the information fields and bit sizes included in the DCI of each DCI format are introduced in conjunction with Table 1, Table 2 and Table 3 respectively.
  • the downlink allocation index, the TPC command of the predetermined PUCCH, the PUCCH resource indication, and the PDSCH to HARQ feedback timing indication information field are used to feed back the HARQ-ACK information corresponding to the PDSCH transmission.
  • the downlink allocation index, the TPC command of the predetermined PUCCH, the PUCCH resource indicator, and the PDSCH-to-HARQ_feedback timing indication information field are used to feed back the HARQ-ACK information corresponding to the PDSCH transmission.
  • the size of most information fields included in DCI can be configured by network equipment through high-level parameters (for example, radio resource control (RRC) signaling) of.
  • RRC radio resource control
  • the number of bits corresponding to the information field in the DCI format is 0, it means that the information field may not be included in the DCI format.
  • the above DCI may include the channel access indication (ChannelAccess-CPext) information field; if the communication between the network device and the terminal device occurs on the licensed spectrum, the above DCI does not include the channel access indication (ChannelAccess-CPext) information area.
  • the network device can schedule physical uplink shared channel (PUSCH) transmission for the terminal device through the uplink authorization DCI.
  • the uplink authorized DCI may include indication information for determining the PUSCH resource, and the terminal device may transmit the PUSCH on the determined PUSCH resource according to the uplink authorized DCI.
  • the DCI format for scheduling PUSCH transmission includes DCI format 0_0, DCI format 0_1, or DCI format 0_2.
  • Hybrid automatic repeat request (HARQ) mechanism The HARQ mechanism is a medium access control (MAC) layer retransmission mechanism. The HARQ mechanism can retransmit data that has been lost or transmitted incorrectly. .
  • the HARQ process includes an uplink HARQ process and a downlink HARQ process, and the uplink HARQ process and the downlink HARQ process are independent of each other.
  • a stop-and-wait protocol (stop-and-wait protocol) is usually used for HARQ retransmission.
  • the sender sends a transport block (TB) through a HARQ process, it stops and waits for the confirmation message sent by the receiver (the confirmation message is used to indicate whether the receiver receives the transmission correctly Block TB).
  • the sender cannot send other TBs to the terminal device through the HARQ process.
  • the receiving end After the receiving end receives a TB corresponding to the HARQ process, the receiving end decodes the TB. If the decoding is successful, the receiving end sends an acknowledgement message (ACK) to the sending end.
  • ACK acknowledgement message
  • the receiving end sends an acknowledgement message (ACK) to the sending end.
  • the sender sends a negative acknowledgement (NACK).
  • NACK negative acknowledgement
  • the sending end receives the ACK information corresponding to the HARQ process
  • the sending end can send other TBs to the receiving end through the HARQ process.
  • the sender receives the NACK corresponding to the HARQ process, or the sender does not receive any response for a long time, the sender can retransmit the TB through the HARQ process.
  • the sending end is a network device
  • the receiving end may be a terminal device.
  • the sending end is a terminal device
  • the receiving end may be a network device or another terminal device.
  • the network device can indicate the maximum number of HARQ processes in uplink and downlink to the terminal device by means of, for example, radio resource control (Radio Resource Control, RRC) signaling semi-static configuration. If the network device does not provide corresponding configuration parameters, the number of downlink HARQ processes may be a default value of 8, for example.
  • the maximum number of HARQ processes supported by each carrier in the uplink can be 16. Among them, each HARQ process corresponds to a HARQ process number (HARQ process number, HPN), and the HARQ process number is also called HARQID (Identity, identification).
  • Figure 1 illustrates how the number of HARQ processes and the round-trip transmission time RTT affect the throughput of data transmission.
  • the maximum number of HARQ processes configured by the terminal device is 16.
  • the 16 HARQ processes include HARQ0 to HARQ15, and the 16 HARQ processes can be continuously scheduled within 16ms. Among them, for a HARQ process such as HARQ0, after it is scheduled, the HARQ process HARQ0 is in a stopped state during the data round-trip process and cannot be used to transmit other data. Therefore, the maximum number of HARQ processes in the terminal device shown in Figure 1 is In the scenario of 16, there may be the following situations:
  • the terminal device can always have parallel HARQ processes (one or more of HARQ1 to HARQ15) for data transmission;
  • HARQ0 can be used to transmit data again. Therefore, data can be continuously transmitted on the HARQ entity composed of HARQ0 to HARQ15 without affecting the maximum throughput of the terminal device.
  • the RTT is equal to 16ms and the maximum number of HARQ processes configured for the terminal device is 16, it can be seen that there are always HARQ processes that can transmit service data; however, if the maximum number of HARQ processes configured for the terminal device is less than 16, then When there is service data to be transmitted, it is possible that all HARQ processes are in a state of waiting for feedback from the network equipment, and then no HARQ process is available at this time, which affects the throughput of terminal equipment data transmission.
  • the RTT in the NTN system can reach 600ms.
  • the RTT in the NTN system can reach 600ms.
  • all HARQ processes of the terminal device are in a state of not receiving feedback from the network device, and the terminal device has business data to be transmitted when , There will be no HARQ process available for a long time, which will seriously affect the throughput of terminal equipment data transmission.
  • the number of HARQ processes configured by the terminal device does not match the system RTT, and ultimately the system performance is degraded.
  • an embodiment of the present application proposes a method for determining the state of the HARQ process.
  • the communication system in this application is The architecture is explained.
  • FIG. 2A is a schematic diagram of the architecture of a communication system provided by an embodiment of this application.
  • a terminal device 201 and a satellite 202 which includes a terminal device 201 and a satellite 202, and wireless communication can be performed between the terminal device 201 and the satellite 202.
  • the network formed between the terminal device 201 and the satellite 202 may also be referred to as NTN.
  • the satellite 202 has the function of a base station, and the terminal device 201 and the satellite 202 can directly communicate with each other. Under the system architecture, the satellite 202 can be referred to as a network device.
  • FIG. 2B is a schematic diagram of the architecture of another communication system provided by an embodiment of this application.
  • FIG. 2B which includes a terminal device 301, a satellite 302, and a base station 303.
  • the terminal device 301 and the satellite 302 can communicate wirelessly, and the satellite 302 and the base station 303 can communicate.
  • the network formed between the terminal device 301, the satellite 302, and the base station 303 may also be referred to as NTN.
  • the satellite 302 does not have the function of a base station, and the communication between the terminal device 101 and the base station 303 needs to be relayed by the satellite 302.
  • the base station 103 can be referred to as a network device.
  • FIGS. 2A-2B are only examples of the systems applicable to this application.
  • the methods shown in the embodiments of this application can also be applied to other systems, such as 5G communication systems, LTE communication systems, etc.
  • the embodiments of this application do not specifically limit this.
  • the embodiments of the present application may include at least part of the following content.
  • the network device in order to improve the data transmission efficiency between the terminal device and the network device, for the downlink HARQ process of the terminal device, can configure or instruct the downlink to the terminal device
  • the HARQ feedback function status corresponding to the HARQ process For example, the HARQ feedback function state corresponding to the downlink HARQ process is configured as the disabled state.
  • the terminal device determines that the HARQ feedback function status corresponding to the downlink HARQ process is in the disabled state, the terminal device is scheduled by the downlink authorization to receive data on the downlink HARQ process, and does not perform the HARQ process according to the downlink authorization. Perform HARQ-ACK information feedback.
  • the network device does not need to wait for the HARQ-ACK information feedback corresponding to the HARQ process, and can continue to schedule other data to the terminal device through the HARQ process, so that the network device does not need to wait, and the data transmission efficiency between the terminal device and the network device is improved.
  • the network device may configure or indicate the HARQ feedback function status corresponding to the uplink HARQ process to the terminal device.
  • the HARQ feedback function state corresponding to the uplink HARQ process is configured as the disabled state.
  • the terminal device determines that the HARQ feedback function status corresponding to the uplink HARQ process is in the disabled state, the terminal device is scheduled to be uplink authorized to send the TB on the uplink HARQ process without waiting for the network device’s feedback for the TB.
  • the uplink HARQ process can be used to transmit another TB again according to the instructions of the network device, which improves the efficiency of data transmission between the terminal device and the network device.
  • the state of the HARQ feedback function corresponding to the downlink HARQ process or the uplink HARQ process of the terminal device may be in the 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 non-enable state is also called the disabled state.
  • the terminal device needs to send the HARQ-ACK corresponding to the TB to the network device after receiving the transport block TB through the HARQ process 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 needs to perform corresponding HARQ-ACK information feedback according to the DCI that schedules the TB; or, the terminal device passes the schedule according to the schedule
  • the HARQ process transmits the DCI of the first physical channel to send the HARQ-ACK information corresponding to the first physical channel transmitted in the HARQ process to the network device.
  • 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 need to perform corresponding HARQ-ACK information feedback according to the DCI that schedules the TB; or, the terminal device
  • the DCI of the first physical channel is transmitted through the HARQ process without scheduling, and the HARQ-ACK information corresponding to the first physical channel transmitted in the HARQ process is sent to the network device.
  • 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 of 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, and the second time length is determined according to RTT. Wherein, the first time length is less than the second time length.
  • the feedback includes the terminal device sending HARQ-ACK information to the network device.
  • the feedback includes the network device sending HARQ-ACK information to the terminal device, or the network device sending the uplink authorized DCI to the terminal device.
  • the terminal device When the HARQ process feedback function status of the HARQ process is disabled, the terminal device does not feedback the HARQ process (it can also be understood that the terminal device does not respond to the HARQ process). That is, after the network device sends the TB to the terminal device through the HARQ process, the terminal device does not need to send the feedback message (ACK, NACK or CSI) corresponding to the HARQ process to the network device, and the network device does not need to wait for the feedback message of the terminal device to pass the The HARQ process sends the TB again, for example, a new TB is transmitted through the HARQ process. It should be noted that the aforementioned non-enabled state may also be referred to as a disabled state.
  • FIG. 3 is a schematic diagram of processing a HARQ process in a non-enabled state according to an embodiment of the application.
  • the terminal device includes multiple HARQ processes, and HARQ process 7 of the multiple HARQ processes is a non-enabled HARQ process.
  • the network device sends the downlink data corresponding to the PDSCH 0 to the terminal device through the HARQ process 7, and the NDI is 0.
  • the terminal device since the HARQ process 7 is a non-enabled HARQ process, after the terminal device receives the downlink data corresponding to the HARQ process 7, the terminal device does not need to send the feedback message of the HARQ process 7 to the network device, and the network device does not need to wait for the terminal device to send
  • the HARQ process 7 can send other data to the terminal device through the HARQ process 7.
  • the network device may send downlink data corresponding to PSDCH 1 to the terminal device through the HARQ process 7 and reverse the NDI to 1, where the reversal of the NDI indicates that the downlink data transmitted through the HARQ process 7 is a new downlink data packet.
  • the network device After the network device sends the downlink data corresponding to the PDSCH 1 to the terminal device, the network device can continue to send the new downlink data packet corresponding to the PDSCH 2 to the terminal device, and reverse the NDI to 0.
  • the terminal device feeds back the HARQ process (it can also be understood that the terminal device responds to the HARQ process). That is, after the network device sends the TB to the terminal device through the HARQ process, the terminal device needs to send a HARQ feedback message (ACK, NACK, or CSI) to the network device. After the network device receives the feedback message, the network device can send the TB through the HARQ process. If the retransmission is performed through the HARQ process, the TB is the retransmitted TB, and if the new data is transmitted through the HARQ process, the TB is the new TB.
  • ACK HARQ feedback message
  • the terminal device When the HARQ feedback function state of the HARQ process is in the disabled state, the terminal device does not wait for the network device to feedback the first physical channel transmitted in the HARQ process.
  • the network device's feedback on the first physical channel in the first HARQ process includes at least one of the following: the network device sends HARQ-ACK information corresponding to the first physical channel; and the network device sends an uplink grant for scheduling the first HARQ process for transmission.
  • the terminal device within the preset time period after the terminal device sends uplink data to the network device through the HARQ process, if the network device schedules the terminal device to perform uplink data transmission again through the HARQ process, the terminal device can pass The HARQ process performs uplink data transmission.
  • the terminal device waits for the feedback of the first physical channel transmitted in the HARQ process by the network device. In this case, within the preset time period after the terminal device sends uplink data to the network device through the HARQ process, if the network device schedules the terminal device to perform uplink data transmission again through the HARQ process, the terminal device ignores the Scheduling of HARQ process. In other words, the terminal device does not expect the network device to schedule the HARQ process again within the preset time period.
  • the network device may configure part or all of the HARQ processes in the terminal device to be in a disabled state, or the network device may also indicate the HARQ feedback function status of the HARQ process in the terminal device through DCI.
  • the terminal device can determine the HARQ feedback function status of the HARQ process according to the instruction information sent by the network device.
  • the network device In the downlink process, when the HARQ process is in the disabled state, the terminal device does not need to feedback the HARQ process to the network device, and the network device can continue to transmit other data to the terminal device through the HARQ process, so that the network device does not need to wait. Improve the efficiency of data transmission between terminal equipment and network equipment.
  • the terminal device when the HARQ process is in the disabled state, after the terminal device transmits uplink data through the HARQ process, the terminal device does not need to wait for the preset time, and the terminal device can perform the uplink data transmission through the HARQ process again, which improves Improve the efficiency of data transmission between terminal equipment and network equipment.
  • FIG. 4 is a schematic flowchart of a method for determining the status of a HARQ process provided by an embodiment of the application. Referring to Figure 4, the method may include:
  • S401 The network device generates instruction information.
  • the network device may first generate indication information corresponding to the first HARQ process, and the indication information is used to determine the first HARQ process
  • the HARQ feedback function state, the HARQ feedback function state includes a non-enabled state or an enabled state.
  • the indication information may include at least one of the following information: first indication information, second indication information, and third indication information.
  • the first indication information is used to configure the HARQ feedback function status of the first HARQ process.
  • the first indication information may be used to configure the HARQ feedback function state of the first HARQ process to an enabled state or a non-enabled state.
  • the second indication information is used to activate or deactivate the disabled state of the first HARQ process.
  • the first HARQ process may be configured to be in the disabled state through the first indication information, or the terminal device may predefine the first HARQ process to be in the disabled state, or the second indication information may indicate that the first HARQ process is in the disabled state. Disabled state.
  • the terminal device does not feed back to the first HARQ process; when the inactive state of the first HARQ process is not activated, the terminal device responds to The first HARQ process performs feedback.
  • the terminal device does not wait for the network device's feedback on the first physical channel transmitted in the first HARQ process; when the first HARQ process is enabled After the state is activated, the terminal device waits for the network device's feedback on the first physical channel transmitted in the first HARQ process.
  • the second indication information may be DCI or medium access control (medium access control, MAC) control element (CE) or RRC signaling.
  • the third indication information is used to dynamically indicate the HARQ feedback function status of the first HARQ process of the terminal device. For example, assuming that the first HARQ process is a downlink process, if the downlink grant DCI that schedules the first HARQ process to transmit the first physical channel received by the terminal device includes third indication information, and the third indication information is used to indicate the first HARQ process In the disabled state, the terminal device determines not to perform HARQ-ACK feedback on the first physical channel transmitted in the first HARQ process according to the downlink authorized DCI; or, if the terminal device receives the scheduled first HARQ process to transmit the first HARQ process
  • the downlink authorized DCI of the physical channel includes third indication information, and the third indication information is used to indicate that the first HARQ process is in the enabled state, and the terminal device determines that the first physical channel transmitted in the first HARQ process is transmitted according to the downlink authorized DCI.
  • the channel performs HARQ-ACK feedback.
  • the third indication information may be DCI or
  • S402 The network device sends instruction information to the terminal device.
  • the order in which the network device sends the instruction information to the terminal device is: first instruction information, The second instruction information, the third instruction information.
  • the network device first sends the first instruction information to the terminal device, and then sends the second instruction information to the terminal device.
  • the network device may also send at least two of the first instruction information, the second instruction information, and the third instruction information to the terminal device through the same time unit.
  • the network device may also send at least two of the first instruction information, the second instruction information, and the third instruction information to the terminal device at the same time.
  • the terminal device determines the HARQ feedback function status of the first HARQ process according to the indication information.
  • the first HARQ process is a downlink HARQ process:
  • the terminal device does not send the HARQ-ACK information corresponding to the first physical channel transmitted in the first HARQ process to the network device. Accordingly, the network device Nor does it receive the HARQ-ACK information corresponding to the first physical channel transmitted in the first HARQ process.
  • the terminal device sends the HARQ-ACK information corresponding to the first physical channel transmitted in the first HARQ process to the network device, and correspondingly, the network device receives the first HARQ process.
  • HARQ-ACK information corresponding to the first physical channel transmitted in a HARQ process is enabled.
  • the terminal device does not send the HARQ-ACK information of the first physical channel to the network device.
  • a physical channel includes at least one of the following situations:
  • the first physical channel is a physical downlink shared channel PDSCH scheduled by the first DCI, the first DCI is a downlink grant, and the first physical channel is transmitted through the first HARQ process.
  • the first physical channel is semi-persistent scheduling (semi-persistent scheduling, SPS) PDSCH scheduled by the second DCI
  • the second DCI is SPS configuration activation signaling
  • the first physical channel is transmitted through the first HARQ process.
  • the first physical channel is SPS PDSCH without DCI scheduling, and the first physical channel is transmitted through the first HARQ process.
  • the first physical channel is a PDCCH used to instruct the release of the SPS PDSCH, and the first physical channel corresponds to the first HARQ process.
  • the first HARQ process is an uplink HARQ process:
  • the terminal device does not wait for the network device to feedback on the first physical channel transmitted in the first HARQ process. Accordingly, the network device is in the first time After the domain resources use the first HARQ process to transmit the first physical channel, the first HARQ process may also be used to transmit the second physical channel in the second time domain resource. Wherein, the interval between the first time domain resource and the second time domain resource is less than the first time length.
  • the first time length may be determined according to RTT, or the first time length is the RTT length, or the first time length is a preset value.
  • the terminal device waits for the network device's feedback on the first physical channel transmitted in the first HARQ process.
  • the network device cannot use the first HARQ process to transmit the second physical channel in the second time domain resource.
  • the interval between the first time domain resource and the second time domain resource is less than the first time length.
  • the first time length may be determined according to RTT, or the first time length is the RTT length, or the first time length is a preset value.
  • the network device may indicate the HARQ feedback function status of the first HARQ process through the indication information.
  • the terminal device may determine the HARQ feedback function status of the first HARQ process according to the indication information.
  • the terminal device In the downlink process, when the first HARQ process is in the disabled state, the terminal device does not need to feed back the first HARQ process to the network device, and the network device can continue to transmit other data to the terminal device through the first HARQ process, so that The network device does not need to wait, and the data transmission efficiency between the terminal device and the network device is improved.
  • the terminal device when the first HARQ process is in the disabled state, after the terminal device transmits uplink data through the first HARQ process, the terminal device does not need to wait for the preset time, and the terminal device can perform the uplink again through the first HARQ process Data transmission improves the efficiency of data transmission between terminal equipment and network equipment.
  • the indication information includes one or more of the first indication information, the second indication information, and the third indication information.
  • the method for the terminal device to determine the HARQ feedback function status of the HARQ process is also different. In the following, the method for determining the HARQ feedback function state of the HARQ process when the indication information is different will be described.
  • FIG. 5 is a schematic flowchart of another method for determining the status of a HARQ process provided by an embodiment of the application.
  • the indication information includes first indication information.
  • the method may include:
  • S501 The network device generates first indication information.
  • the first indication information is used to configure the HARQ process for which the terminal device does not perform feedback and/or the HARQ process for which feedback is performed. Or, the first indication information is used to configure the HARQ feedback function status of the HARQ process of the terminal device.
  • the first indication information is RRC signaling.
  • the first indication information includes at least one of the following information:
  • the first configuration information is used to configure the HARQ process set in the terminal device.
  • the second configuration information, the second configuration information is used to configure the HARQ feedback function status of the HARQ process of the terminal device.
  • third configuration information is used to configure the HARQ feedback function status of the HARQ process set of the terminal device.
  • First parameter information where the first parameter information is used to indicate the feedback function status of at least one HARQ process, and the at least one HARQ process includes the first HARQ process.
  • First time information where the first time information is used to indicate the configuration effective time of at least one HARQ process, and the at least one HARQ process includes the first HARQ process.
  • the first configuration information may configure the HARQ process in the terminal device as one or more HARQ process sets.
  • the first configuration information may include one or more of the following information: the number of HARQ process sets, the identification of HARQ processes included in the HARQ process set, and the number of HARQ processes included in the HARQ process set.
  • the terminal device includes 16 HARQ processes
  • the number of HARQ process sets included in the first configuration information is 2
  • the HARQ process set 1 includes 8 HARQ processes
  • the HARQ process set includes 8 HARQ processes.
  • the two HARQ process sets configured according to the first configuration information may be: HARQ process set 1 includes HARQ process 1-HARQ process 8, and HARQ process set 2 includes HARQ process 9-HARQ process 16.
  • the number of HARQ process sets included in the first configuration information is two, and HARQ process set 1 includes HARQ process 1-HARQ process 5.
  • the two HARQ process sets configured according to the first configuration information may be: HARQ process set 1 includes HARQ process 1-HARQ process 5, and HARQ process set 2 includes HARQ process 6-HARQ process 16.
  • the second configuration information may be used to configure the HARQ process in the non-enabled state, and/or the second configuration information may be used to configure the HARQ process in the enabled state.
  • the second configuration information may include the identifier of the HARQ process in the non-enabled state.
  • the HARQ processes except for the HARQ processes in the enabled state in the terminal device are all the HARQ processes in the enabled state.
  • the second configuration information is used to configure the HARQ process in the non-enabled state, and the second configuration information includes the identification of HARQ process 1-HARQ process 5, then the terminal device
  • the HARQ process 1-HARQ process 5 is a non-enabled HARQ process
  • the HARQ process 6-HARQ process 16 in the terminal device is a non-enabled HARQ process.
  • the second configuration information may include the identifier of the HARQ process in the enabled state.
  • all the HARQ processes in the terminal equipment except the HARQ process in the enabled state are the HARQ processes in the non-enabled state.
  • the second configuration information is used to configure the HARQ process in the enabled state, and the second configuration information includes the identification of HARQ process 1-HARQ process 8, then the The HARQ process 1-HARQ process 8 is the HARQ process in the enabled state, and the HARQ process 9-HARQ process 16 in the terminal device is the HARQ process in the non-enabled state.
  • the second configuration information may include the identification of the HARQ process in the non-enabled state , And the identification of the HARQ process in the enabled state.
  • the second configuration information is used to configure the HARQ process in the non-enabled state and configure the HARQ process in the enabled state
  • the second configuration information may indicate the
  • the HARQ process 1-HARQ process 8 is the HARQ process in the non-enabled state
  • the HARQ process 9-HARQ process 16 in the terminal device is the HARQ process in the enabled state.
  • the terminal device may determine the HARQ feedback function status of the first HARQ process according to the information 2.
  • the first indication information may not include information 4, information 5 or message 7.
  • the second configuration information may be as shown in Table 4:
  • the process numbers of the 8 HARQ processes are from 0 to 7.
  • the HARQ processes in the non-enabled state include: HARQ process 0, HARQ process 1, HARQ process 4, and HARQ process 5.
  • the HARQ process in the enabled state includes: HARQ process 2, HARQ process 3, HARQ process 6, and HARQ process 7.
  • the third configuration information may be used to configure the HARQ process set in the non-enabled state, and/or the second configuration information may be used to configure the HARQ process set in the enabled state.
  • the HARQ processes in the HARQ process set in the non-enabled state are all in the disabled state, and the HARQ processes in the HARQ process set in the enabled state are all in the enabled state.
  • the third configuration information may include the identifier of the HARQ process set in the non-enabled state.
  • all HARQ processes in the terminal device that are not in the set of HARQ processes in the enabled state are all HARQ processes in the enabled state.
  • the third configuration information is used to configure the HARQ process set in the non-enabled state, and the third configuration information includes If the HARQ process set 1 is identified, the HARQ process in the HARQ process set 1 in the terminal device is the HARQ process in the non-enabled state, and the HARQ process in the HARQ process set 2 in the terminal device is the HARQ process in the enabled state.
  • the third configuration information may include the identifier of the HARQ process set in the enabled state.
  • all the HARQ processes in the terminal device except the HARQ process set in the enabled state are the HARQ processes in the non-enabled state.
  • the terminal device includes two process sets, which are respectively recorded as HARQ process set 1 and HARQ process set 2.
  • the third configuration information is used to configure the HARQ process set in the enabled state, and the third configuration information includes HARQ
  • the identification of the process set 1 then the HARQ process in the HARQ process set 1 in the terminal device is the HARQ process in the enabled state, and the HARQ process in the HARQ process set 2 in the terminal device is the HARQ process in the non-enabled state.
  • the third configuration information may include the identification of the HARQ process in the non-enabled state , And the identification of the HARQ process in the enabled state.
  • the terminal device includes two process sets, which are respectively recorded as HARQ process set 1 and HARQ process set 2, and the second configuration information is used to configure the HARQ process set in the non-enabled state and the HARQ in the enabled state.
  • the process set is configured, and the second configuration information may indicate that the HARQ process in the HARQ process set 1 in the terminal device is an enabled HARQ process, and/or indicate that the HARQ process in the HARQ process set 2 in the terminal device is a non-enabled HARQ process HARQ process of energy state.
  • the terminal device may determine the HARQ feedback function status of the first HARQ according to the information 3.
  • the first indication information may not include information 4 and information 5. Or message 7.
  • the third configuration information may be as shown in Table 5:
  • the terminal device includes two HARQ process sets, namely HARQ process set 1 and HARQ process set 2, HARQ process set 1 includes HARQ process 0 to HARQ process 3, and HARQ process set 2 includes HARQ process 4 To HARQ process 7.
  • the HARQ process in the HARQ process set 0 is in the disabled state
  • the HARQ process in the HARQ process set 1 is in the enabled state.
  • the identifier of the first HARQ process may be the sequence number of the first HARQ process.
  • the identifier of the first HARQ process may be any integer between 1 and 16.
  • the identifier of the HARQ process set where the first HARQ process is located may be the sequence number of the HARQ process set.
  • the identifier of the HARQ process set where the first HARQ process is located may be HARQ process set 1 or HARQ process set 2.
  • the first parameter information is used to determine that the first HARQ process is in the disabled state.
  • the value of the first parameter is the second preset value, for example, 0, the first parameter information is used to determine that the first HARQ process is in the enabled state.
  • the first parameter is configured, it can be determined that the first HARQ process is in the disabled state; or if the first parameter is not configured, it can be determined that the first HARQ process is in the enabled state.
  • the first parameter includes an uplink HARQ feedback disabling parameter, which is used to determine whether the uplink feedback of the downlink HARQ process is disabled.
  • an uplink HARQ feedback disabling parameter which is used to determine whether the uplink feedback of the downlink HARQ process is disabled.
  • the terminal device is configured with the first parameter, at least one HARQ process of the terminal device may be in a non-enabled state, such as a HARQ process with uplink HARQ feedback disabled; or, if the terminal device receives the first parameter and the first parameter If it is a preset value such as TRUE, at least one HARQ process of the terminal device may be a non-enabled HARQ process.
  • the content included in the first time information may include the following three situations:
  • the first time information includes a time period, and the time period may be the configuration effective time of the HARQ process in the terminal device.
  • the time period may include a start time and an end time.
  • the time period included in the first time information may be from January 1, 2019 to January 3, 2019, and the first indication information is for the HARQ process in the terminal device.
  • the configuration takes effect from January 1, 2019 to January 3, 2019. At other times, the first indication information does not take effect on the configuration of the HARQ process in the terminal device.
  • the first time information includes the start time and/or duration, and the start time is the start time at which the configuration of the HARQ process in the terminal device takes effect.
  • the duration is the duration for the HARQ process configuration in the terminal device to take effect. If the first time information does not include the start time, the time when the terminal device receives the first indication information may be determined as the start time.
  • the first time information may include a start time and an end time.
  • the start time is the start effective time of the HARQ process configuration in the terminal device
  • the end time is the end effective time of the HARQ process configuration in the terminal device .
  • the first time information may also include the effective period.
  • S502 The network device sends first indication information to the terminal device.
  • the terminal device determines the HARQ feedback function status of the first HARQ process according to the first indication information.
  • the terminal device determines not to feed back the first HARQ process. If the first HARQ process is in the enabled state, the terminal device determines to feed back the first HARQ process.
  • the terminal device When the first HARQ process is an uplink HARQ process, if the HARQ feedback function status of the first HARQ process is in the disabled state, the terminal device does not wait for the network device to feedback on the first physical channel transmitted in the first HARQ process; or, If the HARQ feedback function state of the first HARQ process is in the enabled state, the terminal device waits for the feedback of the network device on the first physical channel transmitted in the first HARQ process.
  • the network device may indicate to the terminal device whether to feed back the first HARQ process through the first indication information; the terminal device determines not to feedback the first HARQ process according to the first indication information.
  • the terminal device does not need to feedback the HARQ process, and the network device does not need to wait for the feedback of the terminal device to transmit other data through the HARQ process, which improves the data transmission efficiency.
  • the network device can indicate to the terminal device whether to wait for the network device to feedback on the first physical channel transmitted in the first HARQ process through the first indication information; the terminal device determines not to wait for the network device pair according to the first indication information.
  • the terminal device During the feedback of the first physical channel transmitted in the first HARQ process, after the terminal device transmits the uplink data through the first HARQ process, the terminal device does not need to wait for the preset time, and the terminal device can perform the uplink data transmission again through the first HARQ process , Improve the efficiency of data transmission between terminal equipment and network equipment.
  • Example 1 Assuming that the terminal device includes 8 HARQ processes, the RRC signaling (first indication information) sent by the network device to the terminal device includes the second configuration information shown in Table 4. If the 8 HARQ processes are downlink HARQ processes, after the terminal device receives the RRC signaling, the terminal device determines that the HARQ processes that it does not perform feedback include: HARQ process 0, HARQ process 1, HARQ process 1, HARQ process 4, and HARQ process 5. , The HARQ process fed back by the terminal device includes: HARQ process 2, HARQ process 3, HARQ process 6, and HARQ process 7. For example, after the terminal device receives the downlink data corresponding to HARQ process 0, the terminal device does not feedback the HARQ process 0.
  • the terminal device After the terminal device receives the downlink data corresponding to the HARQ process 2, the terminal device does not feedback the HARQ process 2. If the 8 HARQ processes are uplink HARQ processes, after the terminal device receives the RRC signaling, the terminal device determines that the HARQ processes that it does not wait for feedback include: HARQ process 0, HARQ process 1, HARQ process 4, and HARQ process 5. The HARQ process that the terminal device is waiting for feedback includes: HARQ process 2, HARQ process 3, HARQ process 6, and HARQ process 7. For example, after the terminal device sends uplink data through HARQ process 0, the terminal device does not need to wait for the network device to feedback on the physical channel transmitted in HARQ process 0, and can perform uplink data transmission through HARQ process 0 again.
  • Example 2 Assuming that the terminal equipment includes 8 HARQ processes, the RRC signaling (first indication information) sent by the network equipment to the terminal equipment includes the third configuration information shown in Table 5, and it is assumed that the RRC signaling also includes the first time Information, the first time information includes period 1. If the 8 HARQ processes are downlink HARQ processes, after the terminal device receives the RRC signaling, in period 1, the terminal device does not feedback the HARQ process in HARQ process set 1, and the terminal device responds to HARQ process set 2. The HARQ process in the feedback. In other periods, the terminal device feedbacks all HARQ processes.
  • the terminal device waits for the network Feedback from the device to the HARQ process in the HARQ process set 2. In other periods, the terminal device waits for feedback from the network device to all HARQ processes.
  • FIG. 6 is a schematic flowchart of another method for determining the status of a HARQ process according to an embodiment of the application.
  • the indication information includes second indication information.
  • the method may include:
  • the network device generates second indication information.
  • the second indication information is used to activate or deactivate the disabled state of the first HARQ process, and the first HARQ process is in the disabled state.
  • the first HARQ process being in the disabled state may be indicated in the second indication information, or pre-configured by the network device to the terminal device, or pre-configured by the terminal device, or agreed upon by the protocol, etc.
  • the second indication information is DCI or MAC CE or RRC.
  • the DCI may be DCI scrambled by CS-RNTI.
  • the second indication information includes at least one of the following information: the identifier of the first HARQ process, the identifier of the HARQ process set where the first HARQ process is located, the second parameter information, and the second time information.
  • the second parameter information is used to indicate the activation or deactivation of the HARQ feedback function status of at least one HARQ process, the at least one HARQ process includes the first HARQ process; the second time information is used to indicate the activation time of the at least one HARQ process, at least One HARQ process includes the first HARQ process.
  • the content included in the second time information may include the following three situations:
  • the second time information includes a time period, and the time period may be the activation effective time of the first HARQ process in the non-enabled state.
  • the period can include a start time and an end time. In this period, the inactive state of the first HARQ process is activated, and in other periods, the inactive state of the first HARQ process is not activated.
  • the second time information includes the start time and/or duration, and the start time is the start time of the non-enabled state for activating the first HARQ process.
  • the duration is the duration during which the disabled state of the first HARQ process is activated. If the second time information does not include the start time, the time when the terminal device receives the second indication information may be determined as the start time.
  • the second time information may include a start time and an end time.
  • the start time is the time when the disabled state of the first HARQ process is activated
  • the end time is the disabled state of the first HARQ process. The moment of activation.
  • the second time information may also include the effective period.
  • the second parameter information may include at least one of the following two situations:
  • the second parameter information is information in the first information field in the second indication information.
  • the first HARQ process is an activated non-enabled HARQ process; or, if the information in the first information field is the second preset information, the first HARQ process It is a deactivated non-enabled HARQ process.
  • the second indication information is DCI
  • the first information field is the redundancy version information field in the DCI.
  • the first HARQ process being the activated non-enabled HARQ process refers to activating the first HARQ process that has been configured to the non-enabled state.
  • the first HARQ process being the deactivated non-enabled HARQ process refers to deactivating the first HARQ process that has been configured to the non-enabled state.
  • the first indication information indicates that the disabled state of the first HARQ process is activated, and when the first information field is "0", the first indication information indicates the first HARQ process The inactive state of is deactivated.
  • the first indication information indicates that the disabled state of the first HARQ process is activated, and when the first information field is "1", the first indication information indicates the first HARQ process The inactive state of is deactivated.
  • the second indication information includes the identification of the HARQ process set where the first HARQ process is located, and if the information in the first information field is the first preset information, the non-identity of all HARQ processes in the first HARQ process set is The enabled state is activated; if the information in the first information field is the second preset information, the non-enabled state of all HARQ processes in the first HARQ process set is deactivated.
  • the first HARQ process set is the HARQ process set where the first HARQ process is located.
  • the second indication information includes the identification of the HARQ process set where the first HARQ process is located (hereinafter referred to as the first HARQ process set)
  • the first information field is "1”
  • the first indication information indicates the first HARQ process
  • the disabling states of the HARQ processes in the set are all activated.
  • the first indication information indicates that the disabling states of the HARQ processes in the first HARQ process set are all deactivated.
  • the first indication information indicates that the disabled state of the HARQ process in the first HARQ process set is activated, and when the first information field is "1", the first indication information It indicates that the non-enabled state of the HARQ process in the first HARQ process set is all deactivated.
  • DCI format 1_0 or DCI format 1_2 DCI format 1_1 Redundant version Set all to 0 For the enabled transmission block: set all to 0
  • the second indication information is DCI
  • the first information field is the redundancy version information field in the DCI.
  • the DCI format is DCI format 1_0 or DCI format 1_2
  • the first HARQ process (or the HARQ process where the first HARQ process is active) is in the disabled state Activated.
  • the DCI format is DCI format 1_1, for the enabled transport block, when the information in the redundancy version information field is all set to 0, the first HARQ process (or the HARQ process set where the first HARQ process is located) is not The enable state is activated.
  • the HARQ process number information field in the DCI can also be used to indicate the first HARQ process or the HARQ process set in which the first HARQ process is located.
  • the DCI is the DCI of the CS-RNTI scrambling code.
  • the NDI field corresponding to the enabled transport block TB in the DCI is set to "1".
  • DCI format 1_0 or DCI format 1_2 DCI format 1_1 Redundant version Set all to 1 For the enabled transmission block: set all to 1
  • the second indication information is DCI
  • the first information field is the redundancy version information field in the DCI.
  • the DCI format is DCI format 1_0 or DCI format 1_2
  • the first HARQ process (or the HARQ process in which the first HARQ process is located is activated) is in the disabled state Activated.
  • the DCI format is DCI format 1_1, for the enabled transport block, when the information in the redundancy version information field is all set to 0, the first HARQ process (or the HARQ process set where the first HARQ process is located) is not The enable state is activated.
  • the HARQ process number information field in the DCI may also be used to indicate the first HARQ process or the HARQ process set where the first HARQ process is located.
  • the second parameter information is a combination of information in at least two information fields in the second indication information.
  • the first HARQ process is an activated, non-enabled HARQ process; or, if the combination of information in at least two information fields is the second information combination, The first HARQ process is a deactivated non-enabled HARQ process.
  • the at least two information fields include: a redundancy version information field in the DCI, a modulation and coding mode information field, and a frequency domain resource allocation information field.
  • the second indication information includes the identification of the HARQ process set where the first HARQ process is located
  • the combination of the information in the at least two information fields is the first information combination
  • all HARQ processes in the first HARQ process set The non-enabled state of is activated; if the combination of information in at least two information fields is the second information combination, the non-enabled states of all HARQ processes in the first HARQ process set are deactivated.
  • the first HARQ process set is the HARQ process set where the first HARQ process is located.
  • the second indication information is DCI
  • at least two information fields include: a redundancy version information field, a modulation and coding method information field, and a frequency domain resource allocation information field.
  • DCI format 1_0, DCI Format 1_1, DCI format 1_2 when the values in the redundancy version information field are all set to 0, the modulation and coding mode information field is all set to 1, for allocation type 1, the frequency domain resource allocation information field is set to 0, for For allocation type 2, when the frequency domain resource allocation information field is all set to 1, the non-enabled state of the first HARQ process (or the HARQ process in which the first HARQ process is located is activated) is activated.
  • the HARQ process number information field in the DCI may also be used to indicate the first HARQ process or the HARQ process set where the first HARQ process is located.
  • the DCI is the DCI of the CS-RNTI scrambling code.
  • the NDI field corresponding to the enabled transport block TB in the DCI is set to "1".
  • the second indication information is DCI
  • at least two information fields include: a redundancy version information field, a modulation and coding method information field, and a frequency domain resource allocation information field.
  • DCI format 1_0, DCI Format 1_1, DCI format 1_2 when the values in the redundancy version information field are all set to 1, the modulation and coding mode information fields are all set to 0, for allocation type 1, the frequency domain resource allocation information field is all set to 1, for For allocation type 2, when all the frequency domain resource allocation information fields are set to 0, the disabled state of the first HARQ process (or the HARQ process in which the first HARQ process is located is activated) is activated.
  • the HARQ process number information field in the DCI may also be used to indicate the first HARQ process or the HARQ process set where the first HARQ process is located.
  • the DCI is the DCI of the CS-RNTI scrambling code.
  • S602 The network device sends second indication information to the terminal device.
  • the network device determines the HARQ feedback function status of the first HARQ process according to the second indication information.
  • the terminal device determines not to feed back the first HARQ process. If the first HARQ process is in the enabled state, the terminal device determines to feed back the first HARQ process.
  • the terminal device When the first HARQ process is an uplink HARQ process, if the HARQ feedback function status of the first HARQ process is in the disabled state, the terminal device does not wait for the network device to feedback on the first physical channel transmitted in the first HARQ process; or, If the HARQ feedback function state of the first HARQ process is in the enabled state, the terminal device waits for the feedback of the network device on the first physical channel transmitted in the first HARQ process.
  • the network device in the downlink process, can indicate to the terminal device whether to feed back the first HARQ process through the second indication information; the terminal device determines not to feedback the first HARQ process according to the second indication information.
  • the terminal device does not need to feedback the HARQ process, and the network device does not need to wait for the feedback of the terminal device to transmit other data through the HARQ process, which improves the data transmission efficiency.
  • the network device can indicate to the terminal device whether to wait for the network device to feedback on the first physical channel transmitted in the first HARQ process through the second indication information; the terminal device determines not to wait for the network device pair according to the second indication information.
  • the terminal device During the feedback of the first physical channel transmitted in the first HARQ process, after the terminal device transmits the uplink data through the first HARQ process, the terminal device does not need to wait for the preset time, and the terminal device can perform the uplink data transmission again through the first HARQ process , Improve the efficiency of data transmission between terminal equipment and network equipment.
  • FIG. 7 is a schematic flowchart of another method for determining the status of a HARQ process provided by an embodiment of the application.
  • the indication information includes third indication information.
  • the method may include:
  • the network device generates third indication information.
  • the third indication information is used to dynamically indicate the HARQ feedback function status of the first HARQ process.
  • the third indication information is DCI.
  • the third indication information includes at least one of the following information: an identifier of the first HARQ process, and third parameter information, where the third parameter information is used to indicate the HARQ feedback function status of the first HARQ process.
  • the third parameter information is information in the second information field in the third indication information.
  • the second information field is a feedback time indication field from PDSCH to HARQ.
  • the second information field is the PDSCH-to-HARQ feedback timing indicator field (PDSCH-to-HARQ_feedback timing indicator).
  • the grid device configures the timing from downlink data to uplink HARQ feedback for the terminal device (for example, configure the parameter dl-DataToUL-ACK), configure a special value (or invalid value, or non-numeric value), if the second information field
  • the feedback time from PDSCH to HARQ is the special value
  • the currently scheduled HARQ process is a non-enabled HARQ process; or, if the second information field indicates that the feedback time from PDSCH to HARQ is a normal value, it means the currently scheduled HARQ process
  • the HARQ process is an enabled HARQ process.
  • S702 The network device sends third indication information to the terminal device.
  • the network device determines the HARQ feedback function status of the first HARQ process according to the third indication information.
  • the terminal device determines not to feed back the first HARQ process. If the first HARQ process is in the enabled state, the terminal device determines to feed back the first HARQ process.
  • the terminal device When the first HARQ process is an uplink HARQ process, if the HARQ feedback function status of the first HARQ process is in the disabled state, the terminal device does not wait for the network device to feedback on the first physical channel transmitted in the first HARQ process; or, If the HARQ feedback function state of the first HARQ process is in the enabled state, the terminal device waits for the feedback of the network device on the first physical channel transmitted in the first HARQ process.
  • the network device may indicate to the terminal device whether to feed back the first HARQ process through the third indication information; the terminal device determines not to feedback the first HARQ process according to the third indication information.
  • the terminal device does not need to feedback the HARQ process, and the network device does not need to wait for the feedback of the terminal device to transmit other data through the HARQ process, which improves the data transmission efficiency.
  • the network device can indicate to the terminal device whether to wait for the network device’s feedback on the first physical channel transmitted in the first HARQ process through the third indication information; the terminal device determines not to wait for the network device pair according to the third indication information.
  • the terminal device During the feedback of the first physical channel transmitted in the first HARQ process, after the terminal device transmits the uplink data through the first HARQ process, the terminal device does not need to wait for the preset time, and the terminal device can perform the uplink data transmission again through the first HARQ process , Improve the efficiency of data transmission between terminal equipment and network equipment.
  • the indication information may also include two or more of the first indication information, the second indication information, or the third indication information.
  • the method for determining the status of the HARQ process between the network device and the terminal device when the indication information may also include two or more of the first indication information, the second indication information, or the third indication information will be described. It can include the following multiple methods:
  • the indication information includes first indication information and second indication information.
  • the network device may first send the first indication information to the terminal device, and the first indication information may configure the non-enabled HARQ process and/or the enabled HARQ process in the terminal device. After the terminal device receives the first indication information, the non-enabled HARQ process in the terminal device is not activated. The network device also sends second indication information to the terminal device, where the second indication information is used to activate or deactivate the non-enabled HARQ process configured by the first indication information. Of course, the network device may also send the first instruction information and the second instruction information to the terminal device at the same time, which is not limited in this application.
  • FIG. 8 is a schematic diagram of the HARQ feedback state of a HARQ process provided by an embodiment of the application.
  • the terminal device includes 16 HARQ processes.
  • the network device may first send first indication information to the terminal device.
  • the first indication information is used to configure the 16 HARQ processes in the terminal device as a set of two HARQ processes, and the two HARQ processes
  • the sets are HARQ process set 1 and HARQ process set 2, respectively, HARQ process set 1 includes HARQ process 0 to HARQ process 11, and HARQ process set 2 includes HARQ process 12 to HARQ process 15.
  • the first indication information is also used to configure the HARQ process set 2 as a non-enabled HARQ process.
  • the network device also sends second indication information to the terminal device.
  • the second indication information is used to activate the HARQ process set 2 or to activate the HARQ process set 2 in the first time period (from time t3 to time t4).
  • Enable state For example, the first time period may be determined according to activation or deactivation signaling (or second indication information), or may be determined according to preset or configured duration parameters and second indication information. If the HARQ process in HARQ process set 2 is a downlink HARQ process, after the terminal device receives the second indication information, in the first period, the terminal device does not feedback the HARQ process in HARQ process set 2. In other periods, the terminal The device feeds back the HARQ process in the HARQ process set 2.
  • the terminal device receives the downlink data corresponding to PDSCH 0 (corresponding to HARQ process 13) sent by the network device, the terminal device does not feed back the HARQ-ACK information corresponding to the TB in the HARQ process 13.
  • the terminal device receives the downlink data corresponding to the PDSCH 1 (corresponding to HARQ process 5) sent by the network device, and the terminal device feeds back the HARQ-ACK information corresponding to the TB in the HARQ process 5.
  • the indication information includes first indication information and third indication information.
  • the network device may first send the first indication information to the terminal device, and the first indication information may configure the non-enabled HARQ process and/or the enabled HARQ process in the terminal device. After the terminal device receives the first indication information, the non-enabled HARQ process in the terminal device is not activated.
  • the network device also sends third indication information to the terminal device, where the third indication information is used to dynamically indicate that the first HARQ process is in the disabled state or in the enabled state.
  • the non-enabled HARQ process dynamically indicated by the third indication information belongs to the non-enabled HARQ process configured by the first indication information.
  • the network device may also send the first instruction information and the third instruction information to the terminal device at the same time, which is not limited in this application.
  • FIG. 9 is a schematic diagram of the HARQ feedback state of another HARQ process provided by an embodiment of the application.
  • the terminal device includes 16 HARQ processes.
  • the network device may first send first indication information to the terminal device.
  • the first indication information is used to configure the 16 HARQ processes in the terminal device as a set of two HARQ processes, and the two HARQ processes
  • the sets are HARQ process set 1 and HARQ process set 2, respectively, HARQ process set 1 includes HARQ process 0 to HARQ process 11, and HARQ process set 2 includes HARQ process 12 to HARQ process 15.
  • the first indication information is also used to configure the HARQ process set 2 as a non-enabled HARQ process.
  • the terminal device receives the third indication information, for example, the third indication information is DCI, the DCI is used to schedule the PDSCH, and the HARQ process corresponding to the PDSCH belongs to HARQ process set 2.
  • the HARQ process in HARQ process set 2 is a downlink HARQ process.
  • PDSCH 0 corresponds to HARQ process 12
  • the feedback time indicator field from PDSCH to HARQ in DCI (hereinafter referred to as K1 indicator) Or when K1) is an invalid value (the invalid value indicates that the terminal device does not feed back the corresponding HARQ process)
  • the terminal device does not need to feed back the HARQ-ACK information corresponding to the TB in the HARQ process 12.
  • the PDSCH scheduled by the DCI is PDSCH
  • the PDSCH corresponds to the HARQ process 13
  • the K1 indication in the DCI is a valid value
  • the terminal device feeds back the HARQ-ACK information corresponding to the TB in the HARQ process 13.
  • the indication information includes first indication information, second indication information, and third indication information.
  • the network device may first send the first indication information to the terminal device, and the first indication information may configure the non-enabled HARQ process and/or the enabled HARQ process in the terminal device. After the terminal device receives the first indication information, the non-enabled HARQ process in the terminal device is not activated.
  • the network device also sends second indication information to the terminal device, where the second indication information is used to activate or deactivate the non-enabled HARQ process configured by the first indication information.
  • the network device also sends third indication information to the terminal device, where the third indication information is used to dynamically indicate that the first HARQ process is in the disabled state or in the enabled state.
  • the non-enabled HARQ process dynamically indicated by the third indication information belongs to the non-enabled HARQ process configured by the first indication information and the non-enabled HARQ process activated by the second indication information.
  • the network device may also send the first instruction information, the second instruction information, and the third instruction information to the terminal device at the same time, which is not limited in this application.
  • FIG. 10 is a schematic diagram of the HARQ feedback state of another HARQ process provided by an embodiment of the application.
  • the terminal device includes 16 HARQ processes.
  • the network device may first send first indication information to the terminal device.
  • the first indication information is used to configure the 16 HARQ processes in the terminal device as a set of two HARQ processes, and the two HARQ processes
  • the sets are HARQ process set 1 and HARQ process set 2, respectively, HARQ process set 1 includes HARQ process 0 to HARQ process 11, and HARQ process set 2 includes HARQ process 12 to HARQ process 15.
  • the first indication information is also used to configure the HARQ process set 2 as a non-enabled HARQ process.
  • the network device also sends second indication information to the terminal device.
  • the second indication information is used to activate the disabled state of the HARQ process set 2 in the first time period (time t3 to time t4).
  • the first time period may be determined according to activation or deactivation signaling (or second indication information), or may be determined according to preset or configured duration parameters and second indication information.
  • the terminal device receives the third indication information, for example, the third indication information is DCI, the DCI is used to schedule the PDSCH, and the HARQ process corresponding to the PDSCH belongs to HARQ process set 2.
  • the HARQ process in HARQ process set 2 is a downlink HARQ process.
  • the terminal device when the PDSCH scheduled by DCI is PDSCH 0, PDSCH 0 corresponds to HARQ process 12, and the feedback time indicator field from PDSCH to HARQ in DCI (hereinafter referred to as K1 indicator) Or when K1) is an invalid value (the invalid value indicates that the terminal device does not feed back the corresponding HARQ process), the terminal device does not need to feed back the HARQ-ACK information corresponding to the TB in the HARQ process 12.
  • the PDSCH scheduled by the DCI when the PDSCH scheduled by the DCI is PDSCH 0, the PDSCH corresponds to the HARQ process 13, and the K1 indication in the DCI is a valid value, the terminal device feeds back the HARQ-ACK information corresponding to the TB in the HARQ process 13.
  • the indication information includes second indication information and third indication information.
  • the network device can first send the second indication information to the terminal device, and the second indication information can activate the non-enabled HARQ process in the terminal device, and the non-enabled HARQ process in the terminal device can be the network device Pre-configured for the terminal device, or pre-configured by the terminal device, or agreed upon by the protocol, or indicated by the second instruction information.
  • the network device may also send third indication information to the terminal device, where the third indication information is used to dynamically indicate that the first HARQ process is in the disabled state or in the enabled state.
  • the non-enabled HARQ process dynamically indicated by the third indication information belongs to the non-enabled HARQ process activated by the second indication information.
  • the network device may also send the second instruction information and the third instruction information to the terminal device at the same time, which is not limited in this application.
  • FIG. 11 is a schematic diagram of the HARQ feedback state of another HARQ process provided by an embodiment of the application.
  • the terminal device includes 16 HARQ processes.
  • the network device sends second indication information to the terminal device.
  • the second indication information indicates that HARQ process 0 to HARQ process 11 are feedback-enabled HARQ processes, and HARQ process 12 to HARQ process 15 are non-enabled HARQ processes, and
  • the second indication information also indicates that the HARQ process 12 to the HARQ process 15 are activated in the disabled state in the first time period (time t2 to time t3).
  • the first time period may be determined according to activation or deactivation signaling (or second indication information), or may be determined according to preset or configured duration parameters and second indication information.
  • the terminal device receives the third indication information, for example, the third indication information is DCI, the DCI is used to schedule the PDSCH, and the HARQ process corresponding to the PDSCH belongs to HARQ process set 2.
  • the HARQ process in HARQ process set 2 is a downlink HARQ process.
  • the terminal device when the PDSCH scheduled by DCI is PDSCH 0, PDSCH 0 corresponds to HARQ process 12, and the feedback time indicator field from PDSCH to HARQ in DCI (hereinafter referred to as K1 indicator) Or when K1) is an invalid value (the invalid value indicates that the terminal device does not feed back the corresponding HARQ process), the terminal device does not need to feed back the HARQ-ACK information corresponding to the TB in the HARQ process 12.
  • the PDSCH scheduled by the DCI when the PDSCH scheduled by the DCI is PDSCH 0, the PDSCH corresponds to the HARQ process 13, and the K1 indication in the DCI is a valid value, the terminal device feeds back the HARQ-ACK information corresponding to the TB in the HARQ process 13.
  • FIG. 12 is a schematic structural diagram of an apparatus for determining the state of a HARQ process according to an embodiment of the application.
  • the apparatus 10 for determining the state of the HARQ process can be applied to a terminal device.
  • the device 10 for determining the state of the HARQ process may include a receiving module 11 and a processing module 12, where:
  • the receiving module 11 is configured to receive indication information sent by a network device, where the indication information is used to determine the HARQ feedback function status of the first hybrid automatic repeat request HARQ process, and the HARQ feedback function status includes the disabled state or Enable state
  • the processing module 12 is configured to determine the HARQ feedback function status of the first HARQ process according to the indication information.
  • the HARQ process determination apparatus provided in the embodiment of the present application can execute the technical solutions shown in the foregoing method embodiments, and the implementation principles and beneficial effects are similar, and details are not described herein again.
  • FIG. 13 is a schematic structural diagram of another HARQ process state determining apparatus provided by an embodiment of this application.
  • the HARQ process state determining apparatus 10 further includes a sending module 13, wherein, when the first HARQ process includes a downlink HARQ process,
  • the sending module 13 does not send the hybrid automatic repeat request corresponding to the first physical channel transmitted in the first HARQ process to the network device Respond to HARQ-ACK information; or,
  • the sending module 13 sends the HARQ-ACK information corresponding to the first physical channel transmitted in the first HARQ process to the network device.
  • the first HARQ process includes an uplink HARQ process
  • the processing module does not wait for the network device to provide feedback on the first physical channel transmitted in the first HARQ process; or,
  • the processing module waits for the feedback of the network device on the first physical channel transmitted in the first HARQ process.
  • the first HARQ process includes a downlink HARQ process
  • the sending module does not send HARQ-ACK information of the first physical channel to the network device, and the first physical channel includes the following situations At least one:
  • the first physical channel is a physical downlink shared channel PDSCH scheduled by a first DCI, the first DCI is a downlink grant, and the first physical channel is transmitted through the first HARQ process;
  • the first physical channel is a semi-persistent scheduling SPS PDSCH scheduled by a second DCI, the second DCI is SPS configuration activation signaling, and the first physical channel is transmitted through the first HARQ process;
  • the first physical channel is an SPS PDSCH without DCI scheduling, and the first physical channel is transmitted through the first HARQ process;
  • the first physical channel is a PDCCH used to indicate SPS PDSCH release, and the first physical channel corresponds to the first HARQ process.
  • the indication information includes at least one of the following information: first indication information, second indication information, and third indication information; wherein,
  • the first indication information is used to configure the HARQ feedback function status of the first HARQ process
  • the second indication information is used to activate or deactivate the disabled state of the first HARQ process
  • the third indication information is used to dynamically indicate the HARQ feedback function status of the first HARQ process.
  • the first indication information includes at least one of the following information:
  • First configuration information where the first configuration information is used to configure the HARQ process set of the terminal device
  • Second configuration information where the second configuration information is used to configure the HARQ feedback function status of the HARQ process of the terminal device
  • Third configuration information where the third configuration information is used to configure the HARQ feedback function state of the HARQ process set of the terminal device
  • the identifier of the HARQ process set where the first HARQ process is located
  • First parameter information where the first parameter information is used to indicate a feedback function status of at least one HARQ process, and the at least one HARQ process includes the first HARQ process;
  • First time information where the first time information is used to indicate a configuration effective time of at least one HARQ process, and the at least one HARQ process includes the first HARQ process.
  • the first indication information includes radio resource control RRC signaling.
  • the second indication information includes at least one of the following information:
  • the identifier of the HARQ process set where the first HARQ process is located
  • Second parameter information where the second parameter information is used to indicate the activation or deactivation of the HARQ feedback function status of at least one HARQ process, and the at least one HARQ process includes the first HARQ process;
  • the second time information where the second time information is used to indicate the activation time of at least one HARQ process, and the at least one HARQ process includes the first HARQ process.
  • the second indication information includes downlink control information DCI; or, RRC signaling; or, a medium access control MAC control unit CE.
  • the second parameter information is information in a first information field in the second indication information
  • the first HARQ process is an activated non-enabled HARQ process
  • the first HARQ process is a deactivated non-enabled HARQ process.
  • the second indication information is DCI
  • the first information field is the redundancy version information field in the DCI; or, the first information field is the information field in the DCI. Independent information domain.
  • the second parameter information is a combination of information in at least two information fields in the second indication information
  • the first HARQ process is the HARQ process in which the HARQ feedback function is activated and the state is disabled; or,
  • the first HARQ process is the HARQ process with the HARQ feedback function deactivated in the disabled state.
  • the second indication information is DCI
  • the at least two information fields include at least two of the following: a redundancy version information field, a modulation and coding mode information field, and a frequency domain in the DCI. Domain resource allocation information domain.
  • the third indication information includes at least one of the following information:
  • Third parameter information where the third parameter information is used to indicate the HARQ feedback function status of the first HARQ process.
  • the third indication information includes DCI.
  • the third parameter information is information in a second information field in the third indication information
  • the HARQ feedback function state of the first HARQ process is the enabled state
  • the second information field is physical downlink Shared channel PDSCH to HARQ feedback time indication field; or, the second information field is an independent information field.
  • the terminal device receives the at least The order of the two types of information is:
  • the first indication information, the second indication information, and the third indication information are provided.
  • the HARQ process determination apparatus provided in the embodiment of the present application can execute the technical solutions shown in the foregoing method embodiments, and the implementation principles and beneficial effects are similar, and details are not described herein again.
  • FIG. 14 is a schematic structural diagram of another HARQ process state determining apparatus provided by an embodiment of the application.
  • the apparatus 20 for determining the state of the HARQ process can be applied to a network device.
  • the device 20 for determining the state of the HARQ process may include a processing module 21 and a sending module 22, where:
  • the processing module 21 is configured to generate indication information, where the indication information is used to determine the HARQ feedback function state of the first hybrid automatic repeat request HARQ process, and the HARQ feedback function state includes a disabled state or an enabled state;
  • the sending module 22 is configured to send the indication information to the terminal device, where the indication information is used by the terminal device to determine the HARQ feedback function status of the first HARQ process.
  • the HARQ process determination apparatus provided in the embodiment of the present application can execute the technical solutions shown in the foregoing method embodiments, and the implementation principles and beneficial effects are similar, and details are not described herein again.
  • FIG. 15 is a schematic structural diagram of still another HARQ process state determining apparatus provided by an embodiment of this application. Based on the embodiment shown in FIG. 14, referring to FIG. 15, the HARQ process state determining apparatus 20 further includes a receiving module 23, and the first HARQ process includes a downlink HARQ process;
  • the receiving module 23 does not receive the hybrid automatic repeat request response HARQ-ACK information corresponding to the first physical channel transmitted in the first HARQ process ;or,
  • the receiving module 23 receives the HARQ-ACK information corresponding to the first physical channel transmitted in the first HARQ process.
  • the sending module 22 uses the first HARQ process to transmit the first physical channel in the first time domain resource. Then, use the first HARQ process to transmit the second physical channel in the second time domain resource; or,
  • the sending module 22 is not in the second time domain resource after the first time domain resource uses the first HARQ process to transmit the first physical channel
  • the first HARQ process is used to transmit a second physical channel, wherein the interval between the first time domain resource and the second time domain resource is less than a first time length.
  • the first HARQ process includes a downlink HARQ process
  • the receiving module 23 does not receive the HARQ-ACK information of the physical channel sent by the terminal device, and the first physical channel includes the following situations At least one:
  • the first physical channel is a physical downlink shared channel PDSCH scheduled by a first DCI, the first DCI is a downlink grant, and the first physical channel is transmitted through the first HARQ process;
  • the first physical channel is a semi-persistent scheduling SPS PDSCH scheduled by a second DCI, the second DCI is SPS configuration activation signaling, and the first physical channel is transmitted through the first HARQ process;
  • the first physical channel is an SPS PDSCH without DCI scheduling, and the first physical channel is transmitted through the first HARQ process;
  • the first physical channel is a PDCCH used to indicate SPS PDSCH release, and the first physical channel corresponds to the first HARQ process.
  • the indication information includes at least one of the following information: first indication information, second indication information, and third indication information; wherein,
  • the first indication information is used to configure the HARQ feedback function status of the first HARQ process
  • the second indication information is used to activate or deactivate the disabled state of the first HARQ process
  • the third indication information is used to dynamically indicate the HARQ feedback function status of the first HARQ process.
  • the first indication information includes at least one of the following information:
  • First configuration information where the first configuration information is used to configure the HARQ process set of the terminal device
  • Second configuration information where the second configuration information is used to configure the HARQ feedback function status of the HARQ process of the terminal device
  • Third configuration information where the third configuration information is used to configure the HARQ feedback function state of the HARQ process set of the terminal device
  • the identifier of the HARQ process set where the first HARQ process is located
  • First parameter information where the first parameter information is used to indicate a feedback function status of at least one HARQ process, and the at least one HARQ process includes the first HARQ process;
  • First time information where the first time information is used to indicate a configuration effective time of at least one HARQ process, and the at least one HARQ process includes the first HARQ process.
  • the first indication information includes radio resource control RRC signaling.
  • the second indication information includes at least one of the following information:
  • the identifier of the HARQ process set where the first HARQ process is located
  • Second parameter information where the second parameter information is used to indicate the activation or deactivation of the HARQ feedback function status of at least one HARQ process, the at least one HARQ process including the first HARQ process;
  • Second time information where the second time information is used to indicate the activation time of at least one HARQ process, and the at least one HARQ process includes the first HARQ process.
  • the second indication information includes downlink control information DCI; or, RRC signaling; or, a medium access control MAC control unit CE.
  • the second parameter information is information in a first information field in the second indication information
  • the first HARQ process is an activated non-enabled HARQ process
  • the first HARQ process is a deactivated non-enabled HARQ process.
  • the second indication information is DCI
  • the first information field is the redundancy version information field in the DCI; or, the first information field is the information field in the DCI. Independent information domain.
  • the second parameter information is a combination of information in at least two information fields in the second indication information
  • the first HARQ process is the HARQ process in which the HARQ feedback function is activated and the state is disabled; or,
  • the first HARQ process is the HARQ process with the HARQ feedback function deactivated in the disabled state.
  • the second indication information is DCI
  • the at least two information fields include at least two of the following: a redundancy version information field, a modulation and coding mode information field, and a frequency domain in the DCI. Domain resource allocation information domain.
  • the third indication information includes at least one of the following information:
  • Third parameter information where the third parameter information is used to indicate the HARQ feedback function status of the first HARQ process.
  • the third indication information includes DCI.
  • the third parameter information is information in a second information field in the third indication information
  • the HARQ feedback function state of the first HARQ process is the enabled state
  • the HARQ feedback function state of the first HARQ process is in a disabled state.
  • the second information field is a physical downlink shared channel PDSCH to HARQ feedback time indication field; or, the second information field is an independent information field.
  • the terminal device receives the at least The order of the two types of information is:
  • the first indication information, the second indication information, and the third indication information are provided.
  • the HARQ process determination apparatus provided in the embodiment of the present application can execute the technical solutions shown in the foregoing method embodiments, and the implementation principles and beneficial effects are similar, and details are not described herein again.
  • FIG. 16 is a schematic structural diagram of a terminal device provided by an embodiment of the application.
  • the terminal device 30 may include: a transceiver 31, a memory 32, and a processor 33.
  • the transceiver 31 may include: a transmitter and/or a receiver.
  • the transmitter can also be referred to as a transmitter, a transmitter, a transmitting port, or a transmitting interface
  • the receiver can also be referred to as a receiver, a receiver, a receiving port, or a receiving interface, and other similar descriptions.
  • the transceiver 31, the memory 32, and the processor 33 are connected to each other through a bus 34.
  • the memory 32 is used to store program instructions
  • the processor 33 is configured to execute the program instructions stored in the memory, so as to enable the terminal device 30 to execute any of the above-mentioned methods for determining the state of the HARQ process.
  • the receiver of the transceiver 31 may be used to perform the receiving function of the terminal device in the foregoing method embodiment.
  • the transmitter of the transceiver 31 may be used to perform the sending function of the terminal device in the foregoing method embodiment.
  • the terminal device provided in the embodiment of the present application can execute the technical solution shown in the foregoing method embodiment, and its implementation principles and beneficial effects are similar, and details are not described herein again.
  • FIG. 17 is a schematic structural diagram of a network device provided by an embodiment of the application.
  • the network device 40 may include: a transceiver 41, a memory 42, and a processor 43.
  • the transceiver 41 may include: a transmitter and/or a receiver.
  • the transmitter can also be referred to as a transmitter, a transmitter, a transmitting port, or a transmitting interface
  • the receiver can also be referred to as a receiver, a receiver, a receiving port, or a receiving interface, and other similar descriptions.
  • the transceiver 41, the memory 42, and the processor 43 are connected to each other through a bus 44.
  • the memory 42 is used to store program instructions
  • the processor 43 is configured to execute the program instructions stored in the memory, so as to enable the terminal device 30 to execute any of the above-mentioned methods for determining the state of the HARQ process.
  • the transmitter of the transceiver 41 may be used to perform the sending function of the network device in the above method for determining the state of the HARQ process.
  • the network device provided in the embodiments of the present application can execute the technical solutions shown in the foregoing method embodiments, and the implementation principles and beneficial effects are similar, and details are not described herein again.
  • An embodiment of the present application provides a computer-readable storage medium in which computer-executable instructions are stored.
  • the computer-executable instructions are executed by a processor, they are used to implement the aforementioned HARQ process state determination method.
  • the implementation principle and beneficial effects are similar, and will not be repeated here.
  • the embodiments of the present application may also provide a computer program product, which can be executed by a processor, and when the computer program product is executed, it can implement the method for determining the state of the HARQ process executed by any of the terminal devices shown above.
  • the implementation principle and beneficial effects are similar, and will not be repeated here.
  • An embodiment of the present application provides a system on a chip or a system chip, the system on a chip or a system chip may be applied to a terminal device, and the system on a chip or a system chip includes: at least one communication interface, at least one processor, and at least one The memory, the communication interface, the memory, and the processor are interconnected by a bus, and the processor executes the instructions stored in the memory so that the base station can execute the above method for determining the state of the HARQ process.
  • the embodiment of the present application provides a system on a chip or a system chip.
  • the system on a chip or a system chip may be applied to a network device.
  • the system on a chip or the system chip includes: at least one communication interface, at least one processor, and at least one
  • the memory, the communication interface, the memory, and the processor are interconnected by a bus, and the processor executes the instructions stored in the memory so that the base station can execute the above method for determining the state of the HARQ process.
  • All or part of the steps in the foregoing method embodiments may be implemented by a program instructing relevant hardware.
  • the aforementioned program can be stored in a readable memory.
  • the program executes the steps that include the foregoing method embodiments; and the foregoing memory (storage medium) includes: read-only memory (English: read-only memory, abbreviation: ROM), RAM, flash memory, hard disk, Solid state hard disk, magnetic tape (English: magnetic tape), floppy disk (English: floppy disk), optical disc (English: optical disc) and any combination thereof.
  • These computer program instructions can be provided to the processing unit of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing equipment to generate a machine, so that the instructions executed by the processing unit of the computer or other programmable data processing equipment can be used to generate It is a device that realizes the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.
  • These computer program instructions can also be stored in a computer-readable memory that can guide a computer or other programmable data processing equipment to work in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture including the instruction device.
  • the device implements the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.
  • These computer program instructions can also be loaded on a computer or other programmable data processing equipment, so that a series of operation steps are executed on the computer or other programmable equipment to produce computer-implemented processing, so as to execute on the computer or other programmable equipment.
  • the instructions provide steps for implementing the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.
  • the term “including” and its variations may refer to non-limiting inclusion; the term “or” and its variations may refer to “and/or”.
  • the terms “first”, “second”, etc. in this application are used to distinguish similar objects, and are not necessarily used to describe a specific sequence or sequence.
  • “plurality” means two or more.
  • “And/or” describes the association relationship of the associated objects, indicating that there can be three types of relationships, for example, A and/or B, which can mean: A alone exists, A and B exist at the same time, and B exists alone.
  • the character “/” generally indicates that the associated objects before and after are in an "or” relationship.

Abstract

Les modes de réalisation de la présente invention concernent un procédé, un appareil et un dispositif pour déterminer l'état d'un processus HARQ, le procédé comprenant : un dispositif terminal reçoit des informations d'indication envoyées par un dispositif de réseau, les informations d'indication étant utilisées pour déterminer l'état de la fonction de retour HARQ d'un premier processus de demande de répétition automatique hybride (HARQ), et l'état de la fonction de retour HARQ comprenant un état désactivé ou un état activé ; et le dispositif terminal détermine l'état de la fonction de retour HARQ du premier processus HARQ selon les informations d'indication. L'efficacité de la transmission des données est accrue.
PCT/CN2020/077285 2020-02-28 2020-02-28 Procédé, appareil et dispositif pour déterminer l'état d'un procédé harq WO2021168835A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2020/077285 WO2021168835A1 (fr) 2020-02-28 2020-02-28 Procédé, appareil et dispositif pour déterminer l'état d'un procédé harq
CN202080085039.1A CN114788204B (zh) 2020-02-28 2020-02-28 Harq进程的状态确定方法、装置及设备

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/077285 WO2021168835A1 (fr) 2020-02-28 2020-02-28 Procédé, appareil et dispositif pour déterminer l'état d'un procédé harq

Publications (1)

Publication Number Publication Date
WO2021168835A1 true WO2021168835A1 (fr) 2021-09-02

Family

ID=77490611

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/077285 WO2021168835A1 (fr) 2020-02-28 2020-02-28 Procédé, appareil et dispositif pour déterminer l'état d'un procédé harq

Country Status (2)

Country Link
CN (1) CN114788204B (fr)
WO (1) WO2021168835A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115004597A (zh) * 2022-04-25 2022-09-02 北京小米移动软件有限公司 混合自动重传请求harq反馈的处理方法及其装置
WO2023050412A1 (fr) * 2021-09-30 2023-04-06 Oppo广东移动通信有限公司 Procédé et appareil de retour d'informations harq-ack, dispositif et support

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024055319A1 (fr) * 2022-09-16 2024-03-21 Oppo广东移动通信有限公司 Procédé de communication sans fil, équipement terminal et dispositif réseau

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080133995A1 (en) * 2004-01-22 2008-06-05 Matsushita Electric Industrial Co., Ltd. Method for Switching Between Asynchronous and Synchronous Harq Retransmission Mode
CN101388756A (zh) * 2007-09-11 2009-03-18 大唐移动通信设备有限公司 一种数据包的传输方法和装置
WO2014110790A1 (fr) * 2013-01-18 2014-07-24 华为技术有限公司 Procédé, station de base et équipement utilisateur pour traiter des informations de rétroaction
CN108633070A (zh) * 2017-03-24 2018-10-09 北京三星通信技术研究有限公司 半静态资源调度方法、功率控制方法及相应用户设备

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018191870A1 (fr) * 2017-04-18 2018-10-25 华为技术有限公司 Procédé et appareil de transmission de données
CN108809541B (zh) * 2017-05-05 2021-08-03 华为技术有限公司 上行数据的传输方法和装置
CN110971348B (zh) * 2017-08-11 2021-03-05 华为技术有限公司 通信方法与设备
CN110557233A (zh) * 2019-09-26 2019-12-10 中兴通讯股份有限公司 码本反馈方法、装置、设备和存储介质

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080133995A1 (en) * 2004-01-22 2008-06-05 Matsushita Electric Industrial Co., Ltd. Method for Switching Between Asynchronous and Synchronous Harq Retransmission Mode
CN101388756A (zh) * 2007-09-11 2009-03-18 大唐移动通信设备有限公司 一种数据包的传输方法和装置
WO2014110790A1 (fr) * 2013-01-18 2014-07-24 华为技术有限公司 Procédé, station de base et équipement utilisateur pour traiter des informations de rétroaction
CN108633070A (zh) * 2017-03-24 2018-10-09 北京三星通信技术研究有限公司 半静态资源调度方法、功率控制方法及相应用户设备

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023050412A1 (fr) * 2021-09-30 2023-04-06 Oppo广东移动通信有限公司 Procédé et appareil de retour d'informations harq-ack, dispositif et support
CN115004597A (zh) * 2022-04-25 2022-09-02 北京小米移动软件有限公司 混合自动重传请求harq反馈的处理方法及其装置
WO2023206033A1 (fr) * 2022-04-25 2023-11-02 北京小米移动软件有限公司 Procédé de traitement de rétroaction de demande de répétition automatique hybride (harq) et appareil associé

Also Published As

Publication number Publication date
CN114788204A (zh) 2022-07-22
CN114788204B (zh) 2023-11-10

Similar Documents

Publication Publication Date Title
WO2021168833A1 (fr) Procédé et appareil de transmission de données, et dispositif
WO2021168834A1 (fr) Procédé et appareil de transmission de données, et dispositif associé
WO2021168835A1 (fr) Procédé, appareil et dispositif pour déterminer l'état d'un procédé harq
WO2021237721A1 (fr) Procédé de rétroaction de livre de codes harq-ack et équipement terminal
WO2021237702A1 (fr) Procédés de rétroaction de livre de codes harq-ack et équipement terminal
WO2022006914A1 (fr) Procédé de renvoi d'un accusé de réception de demande de répétition automatique hybride (harq-ack) et dispositif terminal
WO2022021007A1 (fr) Procédé de communication sans fil, dispositif terminal et dispositif de réseau
WO2021217378A1 (fr) Procédé de communication sans fil, dispositif terminal et dispositif réseau
US20230337320A1 (en) Wireless communication method and terminal device
WO2022061661A1 (fr) Procédé de communication sans fil, dispositif de terminal et dispositif de réseau
WO2022099555A1 (fr) Procédé de communication sans fil, dispositif terminal et dispositif de réseau
WO2021227142A1 (fr) Procédé de rétroaction de livre de codes harq-ack, équipement terminal et dispositif de réseau
WO2021226850A1 (fr) Procédé de rétroaction de livre de codes harq-ack, dispositif terminal, et dispositif de réseau
WO2022021312A1 (fr) Procédé de communication sans fil, équipement terminal et dispositif de réseau
WO2019191911A1 (fr) Procédé et dispositif de transmission de données
WO2023004584A1 (fr) Procédé de communication sans fil, dispositif terminal et dispositif de réseau
WO2023004789A1 (fr) Procédé de communication sans fil, équipement terminal et dispositif de réseau
WO2023039811A1 (fr) Procédé de communication et appareil de communication
WO2022061548A1 (fr) Procédé de communication radio, dispositif terminal, et dispositif de réseau
WO2022205436A1 (fr) Procédé de communication sans fil et dispositif terminal
WO2022027669A1 (fr) Procédé de transmission de rétroinformations, dispositif de terminal et dispositif de réseau
WO2024055319A1 (fr) Procédé de communication sans fil, équipement terminal et dispositif réseau
WO2022056725A1 (fr) Procédé de rétroaction de canal, dispositif terminal et dispositif de réseau
WO2022021311A1 (fr) Procédé de communication sans fil et dispositif terminal
WO2024026678A1 (fr) Procédés de communication sans fil, dispositifs terminaux et dispositifs de réseau

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20921512

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20921512

Country of ref document: EP

Kind code of ref document: A1