WO2021027574A1 - Procédé de commande de retour pour un processus de demande de répétition automatique hybride (harq), terminal et appareil de réseau - Google Patents

Procédé de commande de retour pour un processus de demande de répétition automatique hybride (harq), terminal et appareil de réseau Download PDF

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Publication number
WO2021027574A1
WO2021027574A1 PCT/CN2020/105521 CN2020105521W WO2021027574A1 WO 2021027574 A1 WO2021027574 A1 WO 2021027574A1 CN 2020105521 W CN2020105521 W CN 2020105521W WO 2021027574 A1 WO2021027574 A1 WO 2021027574A1
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Prior art keywords
harq process
harq
feedback
turn
information
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PCT/CN2020/105521
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English (en)
Chinese (zh)
Inventor
柴丽
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中国移动通信有限公司研究院
中国移动通信集团有限公司
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Publication of WO2021027574A1 publication Critical patent/WO2021027574A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]

Definitions

  • the present disclosure relates to the field of communication technology, and in particular to a control method, terminal and network device for HARQ process feedback of hybrid automatic repeat request.
  • NTN Node-to-Node
  • HARQ hybrid automatic repeat request
  • the NTN network has the ability to configure whether the UE turns off the HARQ function. Instead, the NTN can use radio link control automatic retransmission (RLC ARQ retransmission).
  • RLC ARQ retransmission means that the UE cannot do soft combining.
  • PDSCH Physical Downlink Share Channel
  • the NTN network needs to reduce the spectrum efficiency by means such as repeated transmission, high block error rate (BLER) target, low modulation and coding Modulation and Coding Scheme (MCS) scheduling, etc.; improve the initial transmission success rate, resulting in low frequency efficiency of the NTN network.
  • BLER block error rate
  • MCS Modulation and Coding Scheme
  • the present disclosure provides a control method, terminal and network equipment for HARQ process feedback of hybrid automatic repeat request.
  • the HARQ process feedback can be selectively used according to specific conditions to improve transmission efficiency.
  • the embodiments of the present disclosure provide the following solutions:
  • a control method for HARQ process feedback of hybrid automatic repeat request, applied to network equipment includes:
  • the network device sends the HARQ feedback indication information for enabling or disabling the HARQ process of the logical channel and/or logical channel group corresponding to the logical channel and/or logical channel group carrying the DRB carried by the data resource and/or the SRB carried by the signaling resource; or
  • the network device sends the indication information of enabling or disabling the configured grant of the scheduling configuration and/or the HARQ feedback of the HARQ process of the semi-persistent scheduling SPS;
  • the network device sends the indication information of closing the scheduling configuration or the HARQ feedback of the HARQ process of the SPS.
  • the embodiment of the present disclosure also provides a method for controlling HARQ process feedback of hybrid automatic repeat request, which is applied to a terminal, and the method includes:
  • the terminal receives the HARQ feedback indication information sent by the network device to turn on or turn off the logical channel and/or the HARQ process of the logical channel group corresponding to the DRB and/or SRB; or
  • the terminal receives the indication information sent by the network device to enable or disable the HARQ feedback of the configured grant and/or the HARQ process of the SPS; or
  • the terminal receives the HARQ feedback indication information sent by the network device to close the HARQ process of the configured grant or the SPS of the scheduling configuration.
  • the embodiment of the present disclosure also provides a control device for HARQ process feedback of hybrid automatic repeat request, which is applied to network equipment, and includes a processing module for:
  • the embodiment of the present disclosure also provides a network device, including a processor, the processor is configured to:
  • the embodiment of the present disclosure also provides a control device for HARQ process feedback of hybrid automatic repeat request, which is applied to a terminal and includes a processing module for:
  • the embodiment of the present disclosure also provides a terminal, including a processor, the processor is configured to:
  • the embodiment of the present disclosure also provides a method for controlling HARQ process feedback of hybrid automatic repeat request, which is applied to a terminal, and the method includes:
  • the information fed back from the HARQ process on or off includes at least one of the following:
  • the data resource of the service mapping bears the DRB and/or the signaling resource bears the SRB;
  • the number of HARQ processes that the terminal can run in parallel can be calculated from at least one of the following information:
  • the HARQ retransmission probability is calculated by the terminal according to the channel quality measurement, or the terminal predicts the HARQ retransmission probability for the current period of time based on the historical HARQ retransmission probability, or the terminal according to the channel
  • the quality measurement and the historical HARQ retransmission probability are obtained from the HARQ retransmission probability prediction result for the current period of time.
  • the number of RLC retransmissions is the number of RLC retransmissions within a preset time period.
  • control method for HARQ process feedback further includes:
  • the feedback information includes at least one of the following:
  • the predetermined wireless network temporarily identifies the RNTI, and the RNTI indicates that the HARQ feedback of the HARQ process is turned on or off.
  • the information fed back from the HARQ process on or off includes: when the terminal can run in parallel the number of HARQ processes, according to the information fed back from the HARQ process on or off, the HARQ process feedback on or off includes:
  • the information fed back to the HARQ process on or off includes: when RLC retransmission times, according to the information fed back from the HARQ process on or off, turning on or off the HARQ process feedback includes:
  • the terminal When the number of RLC retransmissions reaches the preset threshold H1, the terminal starts at least part of the HARQ process for feedback.
  • the information fed back to the HARQ process on or off includes: when the HARQ process is used by the service, the HARQ process feedback is turned on or off according to the information fed back from the HARQ process on or off, including:
  • the HARQ process feedback of the service is started.
  • the HARQ process feedback information on or off includes: when the channel quality is turned on or off, the terminal turns on or off the HARQ process feedback according to the information on the HARQ process feedback on or off, including:
  • the channel quality is lower than the third preset threshold and higher than the fourth preset threshold, enable the HARQ process feedback.
  • turning on or turning off the HARQ process feedback according to the information of turning on or turning off the HARQ process feedback includes:
  • control information sent by a network device the control information carrying information for turning on or turning off the HARQ process feedback
  • the HARQ process feedback is turned on or off.
  • control information includes at least one of the following:
  • the data resource of the service mapping bears the DRB and/or the signaling resource bears the SRB;
  • Downlink control information DCI the DCI is used to dynamically turn on and turn off the feedback of the HARQ process
  • a predetermined wireless network temporary identification RNTI where the RNTI indicates to enable or disable the HARQ feedback of the HARQ process
  • the HARQ feedback indicating the HARQ process corresponding to the data received and/or transmitted on the predetermined physical resource is turned off.
  • the information fed back to the HARQ process on or off includes: when the DRB and/or SRB of the service mapping, the HARQ process feedback is turned on or off according to the control information, including:
  • the service data packet is mapped to the DRB and/or SRB, and the indication information is used to indicate that the service has a reliability requirement higher than the first preset value and/or Services requiring delays higher than the second preset value;
  • Enable HARQ process feedback according to the logical channel corresponding to the DRB and/or SRB or according to the indication information.
  • the information fed back to the HARQ process on or off includes: when the logical channel or logical channel group configuration corresponding to the DRB and/or SRB of the service mapping, the HARQ process feedback is turned on or off according to the control information ,include:
  • the indication of the logical channel or logical channel group configuration corresponding to the DRB and/or SRB is: when the HARQ process feedback is enabled, according to the indication, the HARQ process feedback is enabled;
  • the HARQ process feedback is turned off according to the indication.
  • the embodiment of the present disclosure also provides a HARQ process feedback control method, which is applied to a network device, and the method further includes:
  • the feedback information of turning on or turning off the HARQ process send the control information of turning on or turning off the feedback of the HARQ process to the terminal.
  • control information includes at least one of the following:
  • the data resource of the service mapping bears the DRB and/or the signaling resource bears the SRB;
  • Downlink control information DCI the DCI is used to dynamically turn on and turn off the feedback of the HARQ process
  • a predetermined wireless network temporary identification RNTI where the RNTI indicates to enable or disable the HARQ feedback of the HARQ process
  • the HARQ feedback indicating the HARQ process corresponding to the data received and/or transmitted on the predetermined physical resource is turned off.
  • the embodiment of the present disclosure also provides a control device for HARQ process feedback of hybrid automatic repeat request, which is applied to a terminal, and includes:
  • the processing module is configured to enable or disable the HARQ process feedback by the terminal according to the information that the HARQ process feedback is turned on or off.
  • the information fed back from the HARQ process on or off includes at least one of the following:
  • the data resource of the service mapping bears the DRB and/or the signaling resource bears the SRB;
  • the number of HARQ processes that the terminal can run in parallel can be calculated from at least one of the following information:
  • the HARQ retransmission probability is calculated by the terminal according to the channel quality measurement, or the terminal predicts the HARQ retransmission probability for the current period of time based on the historical HARQ retransmission probability, or the terminal according to the channel
  • the quality measurement and the historical HARQ retransmission probability are obtained from the HARQ retransmission probability prediction result for the current period of time.
  • the number of RLC retransmissions is the number of RLC retransmissions within a preset time period.
  • control device for HARQ process feedback further includes:
  • the transceiver module is used to send feedback information of turning on or turning off the HARQ process to the network device.
  • the feedback information includes at least one of the following:
  • the predetermined wireless network temporarily identifies the RNTI, and the RNTI indicates that the HARQ feedback of the HARQ process is turned on or off.
  • the information fed back by the HARQ process on or off includes: when the terminal can run in parallel the number of HARQ processes, according to the information fed back by the HARQ process on or off, the HARQ process feedback on or off includes:
  • the information fed back to the HARQ process on or off includes: when RLC retransmission times, according to the information fed back from the HARQ process on or off, turning on or off the HARQ process feedback includes:
  • the terminal When the number of RLC retransmissions reaches the preset threshold H1, the terminal starts at least part of the HARQ process for feedback.
  • the information fed back to the HARQ process on or off includes: when the HARQ process is used by the service, the HARQ process feedback is turned on or off according to the information fed back from the HARQ process on or off, including:
  • the HARQ process feedback of the service is started.
  • the information fed back to the HARQ process on or off includes: in the case of channel quality, according to the information fed back from the HARQ process on or off, the terminal turns on or off the HARQ process feedback, including:
  • the channel quality is lower than the third preset threshold and higher than the fourth preset threshold, enable the HARQ process feedback.
  • turning on or turning off the HARQ process feedback according to the information of turning on or turning off the HARQ process feedback includes:
  • control information sent by a network device the control information carrying information for turning on or turning off the HARQ process feedback
  • the HARQ process feedback is turned on or off.
  • the information fed back to the HARQ process on or off includes: when the DRB and/or SRB of the service mapping, the HARQ process feedback is turned on or off according to the control information, including:
  • the service data packet is mapped to the DRB and/or SRB, and the indication information is used to indicate that the service has a reliability requirement higher than the first preset value and/or Services requiring delays higher than the second preset value;
  • Enable HARQ process feedback according to the logical channel corresponding to the DRB and/or SRB or according to the indication information.
  • the information fed back to the HARQ process on or off includes: when the logical channel or logical channel group configuration corresponding to the DRB and/or SRB of the service mapping, the HARQ process feedback is turned on or off according to the control information ,include:
  • the indication of the logical channel or logical channel group configuration corresponding to the DRB and/or SRB is: when the HARQ process feedback is turned on, according to the indication, the HARQ process feedback is turned on;
  • the HARQ process feedback is turned off according to the indication.
  • the embodiment of the present disclosure also provides a terminal, including:
  • the processor is configured to enable or disable the HARQ process feedback by the terminal according to the information that the HARQ process feedback is turned on or off.
  • the information fed back from the HARQ process on or off includes at least one of the following:
  • the data resource of the service mapping bears the DRB and/or the signaling resource bears the SRB;
  • the number of HARQ processes that the terminal can run in parallel can be calculated from at least one of the following information:
  • the HARQ retransmission probability is calculated by the terminal according to the channel quality measurement, or the terminal predicts the HARQ retransmission probability for the current period of time based on the historical HARQ retransmission probability, or the terminal according to the channel
  • the quality measurement and the historical HARQ retransmission probability are obtained from the HARQ retransmission probability prediction result for the current period of time.
  • the number of RLC retransmissions is the number of RLC retransmissions within a preset time period.
  • control device for HARQ process feedback further includes:
  • the transceiver is used to send feedback information for turning on or turning off the HARQ process feedback to the network device.
  • the feedback information includes at least one of the following:
  • the predetermined wireless network temporarily identifies the RNTI, and the RNTI indicates that the HARQ feedback of the HARQ process is turned on or off.
  • the information fed back by the HARQ process on or off includes: when the terminal can run in parallel the number of HARQ processes, according to the information fed back by the HARQ process on or off, the HARQ process feedback on or off includes:
  • the information fed back to the HARQ process on or off includes: when RLC retransmission times, according to the information fed back from the HARQ process on or off, turning on or off the HARQ process feedback includes:
  • the terminal When the number of RLC retransmissions reaches the preset threshold H1, the terminal starts at least part of the HARQ process for feedback.
  • the information fed back to the HARQ process on or off includes: when the HARQ process is used by the service, the HARQ process feedback is turned on or off according to the information fed back from the HARQ process on or off, including:
  • the HARQ process feedback of the service is started.
  • the HARQ process feedback information on or off includes: when the channel quality is turned on or off, the terminal turns on or off the HARQ process feedback according to the information on the HARQ process feedback on or off, including:
  • the channel quality is lower than the third preset threshold and higher than the fourth preset threshold, enable the HARQ process feedback.
  • turning on or turning off the HARQ process feedback according to the information of turning on or turning off the HARQ process feedback includes:
  • control information sent by a network device the control information carrying information for turning on or turning off the HARQ process feedback
  • the HARQ process feedback is turned on or off.
  • control information includes at least one of the following:
  • the data resource of the service mapping bears the DRB and/or the signaling resource bears the SRB;
  • Downlink control information DCI the DCI is used to dynamically turn on and turn off the feedback of the HARQ process
  • a predetermined wireless network temporary identification RNTI where the RNTI indicates to enable or disable the HARQ feedback of the HARQ process
  • the HARQ feedback indicating the HARQ process corresponding to the data received and/or transmitted on the predetermined physical resource is turned off.
  • the information fed back to the HARQ process on or off includes: when the DRB and/or SRB of the service mapping, the HARQ process feedback is turned on or off according to the control information, including:
  • the service data packet is mapped to the DRB and/or SRB, and the indication information is used to indicate that the service has a reliability requirement higher than the first preset value and/or Services requiring delays higher than the second preset value;
  • Enable HARQ process feedback according to the logical channel corresponding to the DRB and/or SRB or according to the indication information.
  • the information fed back to the HARQ process on or off includes: when the logical channel or logical channel group configuration corresponding to the DRB and/or SRB of the service mapping, the HARQ process feedback is turned on or off according to the control information ,include:
  • the indication of the logical channel or logical channel group configuration corresponding to the DRB and/or SRB is: when the HARQ process feedback is turned on, according to the indication, the HARQ process feedback is turned on;
  • the HARQ process feedback is turned off according to the indication.
  • the embodiment of the present disclosure also provides a control device for HARQ process feedback of hybrid automatic repeat request, which is applied to network equipment, and includes:
  • the transceiver module is used to receive the feedback information sent by the terminal to turn on or turn off the HARQ process
  • the processing module is configured to send control information for turning on or turning off the HARQ process feedback to the terminal according to the information fed back by the HARQ process on or off.
  • control information includes at least one of the following:
  • the data resource of the service mapping bears the DRB and/or the signaling resource bears the SRB;
  • Downlink control information DCI the DCI is used to dynamically turn on and turn off the feedback of the HARQ process
  • a predetermined wireless network temporary identification RNTI where the RNTI indicates to enable or disable the HARQ feedback of the HARQ process
  • the HARQ feedback indicating the HARQ process corresponding to the data received and/or transmitted on the predetermined physical resource is turned off.
  • the embodiment of the present disclosure also provides a network device, including:
  • the transceiver is used to receive the feedback information sent by the terminal to turn on or turn off the HARQ process
  • the processor is configured to send control information for turning on or turning off the HARQ process feedback to the terminal according to the information fed back by the HARQ process on or off.
  • control information includes at least one of the following:
  • the data resource of the service mapping bears the DRB and/or the signaling resource bears the SRB;
  • Downlink control information DCI the DCI is used to dynamically turn on and turn off the feedback of the HARQ process
  • a predetermined wireless network temporary identification RNTI where the RNTI indicates to enable or disable the HARQ feedback of the HARQ process
  • the HARQ feedback indicating the HARQ process corresponding to the data received and/or transmitted on the predetermined physical resource is turned off.
  • the embodiment of the present disclosure further provides a communication device, including a processor and a memory storing a computer program, and the computer program executes the method described above when the computer program is run by the processor.
  • Embodiments of the present disclosure also provide a computer-readable storage medium, including instructions, which when run on a computer, cause the computer to execute the method described above.
  • the above-mentioned solution of the present disclosure allows the HARQ process feedback to be turned on or off according to the information fed back from the HARQ process being turned on or off; thus, the HARQ process feedback can be selectively used according to specific conditions to improve transmission efficiency.
  • FIG. 1 is a schematic flowchart of a control method for HARQ process feedback of hybrid automatic repeat request
  • Figure 2 is a schematic diagram of the HARQ feedback closing and opening of the HARQ process
  • Figure 3 is a schematic diagram of the structure of a short MAC CE
  • Figure 4 is a schematic diagram of a structure of a long MAC CE
  • Figure 5 is a schematic diagram of another structure of a long MAC CE
  • Fig. 6 is a block diagram of a control device for HARQ process feedback of hybrid automatic repeat request
  • FIG. 7 is a schematic structural diagram of a terminal according to an embodiment of the disclosure.
  • an embodiment of the present disclosure provides a method for controlling HARQ process feedback of hybrid automatic repeat request, which is applied to a terminal, and the method includes:
  • Step 11 Turn on or turn off the HARQ process feedback according to the information of turning on or turning off the HARQ process feedback.
  • the HARQ process feedback is turned on or off according to the information that the HARQ process feedback is turned on or off; thus, the HARQ process feedback can be selectively used according to the specific situation to improve transmission efficiency.
  • the feedback information for enabling or disabling the HARQ process includes at least one of the following:
  • the data resource of the service mapping bears the DRB and/or the signaling resource bears the SRB;
  • the number of HARQ processes that the terminal can run in parallel here can be calculated from at least one of the following information: the soft combining capability of the terminal;
  • the HARQ retransmission probability here can be calculated by the terminal based on the channel quality measurement, or the terminal can predict the HARQ retransmission probability in the current period of time based on the historical HARQ retransmission probability, or the terminal based on the channel quality measurement And the historical HARQ retransmission probability is obtained from the HARQ retransmission probability prediction result for the current period of time.
  • the terminal calculates HARQ retransmission based on the measurement of the channel state reference signal (Channel State Information Reference Signal, CSI-RS)/synchronization signal block (Synchronization Signal Block, SSB)/cell reference signal (Cell Reference Signal, CRS) signal.
  • the probability is the number of RLC retransmissions within a preset time period.
  • the dotted line in the figure represents a service transmission
  • the HARQ feedback of the HARQ process of the eMBB service is closed, and the HARQ process of the high-reliability and low-latency service
  • the HARQ feedback is turned off.
  • the RLC will always be retransmitted, which greatly affects the transmission efficiency.
  • the HARQ feedback of the HARQ process needs to be turned on.
  • the HARQ feedback of the HARQ process will be turned on to improve the transmission efficiency.
  • step 11 it may further include:
  • Step 112 Send feedback information for turning on or turning off the HARQ process to the network device.
  • the feedback information includes at least one of the following:
  • the predetermined wireless network temporarily identifies the RNTI, and the RNTI indicates that the HARQ feedback of the HARQ process is turned on or off.
  • the information fed back by turning on or turning off the HARQ process includes: when the terminal can run in parallel the number of HARQ processes, the above step 11 may include:
  • Step 111 Determine the effective time point corresponding to the HARQ process according to the number of HARQ processes that the terminal can run in parallel; the effective time point here may be a possible downlink data arrival point; according to the number of HARQ processes and the HARQ process At the effective time point corresponding to the process, the HARQ process is turned on or off.
  • the terminal calculates how many HARQ processes can be run in parallel according to its own soft merging capability, or the UE obtains the data arrival characteristics of the service from the core network or application layer, or the terminal calculates based on previous historical data of a certain type of service Calculate the number of HARQ processes required for a Round-Trip Time (RTT) time, determine the effective time point corresponding to the HARQ process according to the number of HARQ processes, and determine the effective time point corresponding to the HARQ process according to the number of HARQ processes and the effective time corresponding to the HARQ process Click to turn on or turn off the HARQ process.
  • RTT Round-Trip Time
  • the above step 11 may include:
  • Step 112 Turning on or turning off the HARQ process feedback includes: when the number of RLC retransmissions reaches a preset threshold H1, the terminal turns on at least part of the HARQ process feedback.
  • step 11 when the information fed back by turning on or turning off the HARQ process includes: when the HARQ process used by the service, the above step 11 may include:
  • Step 113 If the service has a reliability requirement higher than a first preset value and/or a service delay requirement higher than a second preset value, start the HARQ process feedback of the service.
  • the HARQ process used by the terminal or the network device for services with high reliability and/or high delay requirements starts the HARQ feedback of the HARQ process. Therefore, the transmission efficiency of services with high reliability requirements and/or high delay requirements is improved.
  • step 11 when the information fed back by turning on or turning off the HARQ process includes: when channel quality, the above step 11 may include:
  • Step 114 If the channel quality is lower than the third preset threshold and higher than the fourth preset threshold, start the HARQ process feedback.
  • the terminal or network device counts that the channel quality is lower than a certain threshold and higher than a certain threshold, the HARQ feedback of the HARQ process is started.
  • turning on or turning off the HARQ process feedback according to the information of turning on or turning off the HARQ process feedback includes:
  • Step 211 Receive control information sent by a network device, where the control information carries information for turning on or turning off the HARQ process feedback;
  • Step 212 Turn on or turn off the HARQ process feedback according to the control information.
  • the information that the HARQ process feedback is turned on or off includes: when the service mapped DRB and/or SRB, the HARQ process feedback is turned on or off according to the control information, including:
  • the service data packet is mapped to the DRB and/or SRB, and the indication information is used to indicate that the service has a reliability requirement higher than the first preset value and/or Services requiring delays higher than the second preset value;
  • Enable HARQ process feedback according to the logical channel corresponding to the DRB and/or SRB or according to the indication information.
  • the information fed back to the HARQ process on or off includes: when the logical channel or logical channel group configuration corresponding to the DRB and/or SRB of the service mapping, the HARQ process feedback is turned on or off according to the control information ,include:
  • the indication of the logical channel or logical channel group configuration corresponding to the DRB and/or SRB is: when the HARQ process feedback is turned on, according to the indication, the HARQ process feedback is turned on;
  • the HARQ process feedback is turned off according to the indication.
  • the base station initiates the service establishment process to the terminal according to the instructions from the core network side, completes the establishment of the service, and configures the parameter configuration of the radio bearer according to the QoS (Quality of Service) requirements of the service, including the configuration of at least one protocol layer as follows: Adaptation protocol (Service Data Adaptation Protocol, SDAP), Packet Data Convergence Protocol (PDCP), Radio Link Control (RLC), MAC and PHY (physical layer) parameter configuration;
  • Adaptation protocol Service Data Adaptation Protocol
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control
  • MAC physical layer
  • the terminal or base station For service packets with high reliability and/or delay requirements, the terminal or base station adds a special indication information to the packet header. SDAP or PDCP recognizes this specific indication information, and identifies these high reliability requirements and/or Service packets with high latency requirements, and then or map such packets to a DRB and/or SRB, and enable the HARQ feedback of the HARQ process according to the logical channels corresponding to these DRB and/or SRB;
  • the terminal or base station For service packets with high reliability and/or delay requirements, the terminal or base station adds a special indication information to the packet header. SDAP or PDCP recognizes this specific indication information, and identifies these high reliability requirements and/or For service packets with high latency requirements, SDAP or PDCP informs the MAC layer and/or physical layer of this information through instructions, and then the MAC layer and/or physical layer starts the HARQ feedback of the HARQ process corresponding to these packets.
  • the method when the method is applied to a network device, the method includes: the network device sends indication information of enabling or disabling the HARQ feedback of the HARQ process of the UE in a certain cell and/or cell group; Or, the network device sends the indication information of turning off the HARQ feedback of the HARQ process of the UE in a certain cell and/or cell group.
  • the indication information may be an explicit indication, and the indication information may carry at least one of the following information:
  • HARQ ID (HARQ ID);
  • the indication information may be an implicit indication, and the indication information may be at least one of the following:
  • n is a natural number greater than 16, for example, 1000, 600, 180, or 50; if the value of nrofHARQ-nrofHARQ-ProcessesForPDSCH is 0, or other special values, it indicates that it is configured for scheduling configuration (configured grant) and/or semi-persistent scheduling (Semi-Persistent Scheduling, SPS)
  • SPS semi-persistent Scheduling
  • the above information can be carried in the configuration of the serving cell (ServingCellConfig), the parameters of the physical downlink shared channel-serving cell configuration (PDSCH-ServingCellConfig), the parameters of the physical uplink control channel-format configuration (PUCCH-FormatConfig), and/or physical Cell group configuration (PhysicalCellGroupConfig) parameter.
  • PDSCH-ServingCellConfig the parameters of the physical downlink shared channel-serving cell configuration
  • PUCH-FormatConfig the parameters of the physical uplink control channel-format configuration
  • PhysicalCellGroupConfig Physical Cell group configuration
  • the embodiment of the present disclosure also provides a HARQ process feedback control method, which is applied to a network device, and the method further includes:
  • Step 31 Receive the feedback information sent by the terminal to turn on or turn off the HARQ process
  • Step 32 Send control information for turning on or turning off the HARQ process feedback to the terminal according to the information fed back from the HARQ process on or off.
  • control information includes at least one of the following:
  • the data resource of the service mapping bears the DRB and/or the signaling resource bears the SRB;
  • Downlink control information DCI the DCI is used to dynamically turn on and turn off the feedback of the HARQ process
  • a predetermined wireless network temporary identification RNTI where the RNTI indicates to enable or disable the HARQ feedback of the HARQ process
  • the HARQ feedback indicating the HARQ process corresponding to the data received and/or transmitted on the predetermined physical resource is turned off.
  • the terminal passes the estimated number of HARQ processes through Radio Resource Control (RRC)/Media Access Control (MAC)/Physical Uplink Control Channel (PUCCH)/Physical Uplink Shared Channel (Physical Uplink Shared Channel, PUSCH) signaling informs network devices (such as base stations).
  • RRC Radio Resource Control
  • MAC Media Access Control
  • PUCCH Physical Uplink Control Channel
  • PUSCH Physical Uplink Shared Channel
  • BSR Buffer Status Report
  • the network equipment can be a base station, etc.
  • the base station can calculate how many HARQ processes can be run in parallel, and the possible effective time points corresponding to the HARQ processes (that is, the possible downlink data arrival points, and then the base station turns on or off based on this information.
  • Corresponding HARQ process; or the base station receives the HARQ retransmission probability, RLC retransmission times, channel quality and other information reported by the terminal, and turns on or off the HARQ feedback of the corresponding HARQ process according to these information.
  • the method when the method is applied to a network device, the method may further include: the network device configures the logical channel or logical channel group corresponding to the DRB and/or SRB to enable HARQ process feedback Or turn off the HARQ process feedback indication.
  • the base station when configuring the logical channel and/or logical channel group corresponding to the DRB and/or SRB corresponding to the service, the base station gives an indication of whether to enable or disable the HARQ process feedback; for example, a 1-bit instruction to disable the HARQ process, if the indication does not appear , The HARQ process is turned on; or, 1 bit indicates that the HARQ process is turned on, if the indication does not appear, the HARQ process is turned off.
  • the method when the method is applied to a network device, the method may further include: the network device sends the HARQ process of enabling or disabling the logical channel and/or logical channel group corresponding to the DRB and/or SRB HARQ feedback indication information; or, the network device sends the HARQ feedback indication information to close the HARQ process of the configured grant/SPS.
  • the indication information may be an explicit indication, and the indication information may carry at least one of the following information: 1. HARQ ID; 2. HARQ ID bitmap or HARQ group number; 3. On or off or just Closed; 4. Effective time; 5. Effective time unit: symbol (symbol)/slot (time slot)/subframe (subframe)/frame (frame);
  • the indication information may be an implicit indication: the indication information may be at least one of the following:
  • the above information may be carried in the configuration parameters of the logical channel configuration (LogicalChannelConfig), the radio bearer configuration (RadioBearerConfig), the SRB-related configuration information (SRB-ToAddMod), and/or the DRB-related configuration (DRB-ToAddMod).
  • LogicalChannelConfig the radio bearer configuration
  • RadioBearerConfig the SRB-related configuration information
  • DRB-ToAddMod the DRB-related configuration
  • DRB-ToAddMod DRB-related configuration
  • HARQ needs to be bound to services, such as: HARQ and DRB and/or SRB, and/or HARQ and logical channels and/or logical channel groups.
  • the base station can use an implicit method to inform the terminal of a HARQ information characterized by wireless resources, such as assigning a logical channel and/or logical channel group packet corresponding to a service with high reliability and/or high delay requirements.
  • a HARQ information characterized by wireless resources, such as assigning a logical channel and/or logical channel group packet corresponding to a service with high reliability and/or high delay requirements.
  • Send at a certain point in time such as an even-numbered Slot (time slot) or inform the terminal in the format of a bitmap (bitmap).
  • the method when the method is applied to a network device, the method may further include: the network device sends instructions to enable or disable the HARQ feedback of the configured grant and/or the HARQ process of the SPS; or, the network The device sends the HARQ feedback indication information to close the HARQ process of the configured grant/SPS.
  • the indication information may be an explicit indication, and the indication information may carry at least one of the following information: 1. HARQ ID; 2. HARQ ID bitmap or HARQ group number; 3. Open or close or just close ; 4. Effective time; 5. Effective time unit: symbol (symbol)/slot (time slot)/subframe (subframe)/frame (frame);
  • the indication information may be an implicit indication: the indication information may be at least one of the following:
  • nrofHARQ-Processes The value of the number of HARQ processes (nrofHARQ-Processes) should be extended, such as adding 0; and/or 1.16 extended 0..n, where n is a natural number greater than 16, for example, 1000, 600, 180 or 50; if nrofHARQ- The value of Processes is 0, or other special values, it indicates that the HARQ feedback configured to the HARQ process of configured grant and/or SPS is turned off; the normal value indicates that the HARQ feedback configured to the HARQ process of configured grant and/or SPS Is on
  • At least one configuration parameter of configured grant and/or SPS such as period (periodicity), frequency hopping (frequencyHopping), configuration of permitted reference signal configuration (cg-DMRS-Configuration), modulation and coding strategy table configuration parameters (mcs -Table, mcs-TableTransformPrecoder), whether uplink control information is sent on the physical uplink shared channel indication (uci-OnPUSCH), resource allocation information (resourceAllocation), resource block group size (rbg-Size), power control parameters for repeated data transmission ( repK powerControlLoopToUse), repeat sending the corresponding redundant version information (repK-RV), etc.).
  • period periodicity
  • frequencyHopping configuration of permitted reference signal configuration
  • cg-DMRS-Configuration configuration of permitted reference signal configuration
  • mcs -Table, mcs-TableTransformPrecoder modulation and coding strategy table configuration parameters
  • resource allocation information resource allocation information
  • the value is a special value, it means that the HARQ feedback configured to the configured grant and/or the HARQ process of the SPS is turned off; the normal value is Indicates that the HARQ feedback configured to the HARQ process of the configured grant and/or SPS is enabled;
  • the value of the configured grant timer should be extended, such as adding 0; and/or 1..64 extended by 0..m, m is a natural number greater than 64, and/or infinity; if the value of configuredGrantTimer is 0 , Infinity or other special values, it indicates that the HARQ feedback configured to the HARQ process of configured grant and/or SPS is turned off; a normal value indicates that the HARQ feedback configured to the HARQ process of configured grant and/or SPS is turned on;
  • the method when the method is applied to a terminal or a network device, the method may further include: the terminal or the network device sends the HARQ feedback indication information for enabling or disabling the HARQ process through the MAC CE; or, the terminal Or, the network device sends the HARQ feedback indication information for closing the HARQ process through the MAC CE.
  • the structure of the MAC CE, which carries the identifier of the logical channel is bound to the corresponding HARQ process.
  • the LCG (logical channel group) in FIG. 3, FIG. 4 and FIG. 5 may also be an LC (logical channel).
  • the method when the method is applied to a network device, the method may further include: when the network device turns on or turns off the HARQ feedback of the HARQ process, dynamically turning on and off HARQ by sending DCI to the terminal Process feedback, DCI can carry at least one of the following information: 1. HARQ ID; 2. HARQ ID bitmap or HARQ group number; 3. Turn on or off or just off; 4. Effective time; 5. Effective The unit of time: symbol (symbol)/slot (time slot)/subframe (subframe)/frame (frame).
  • the method when the method is applied to a network device, the method may further include: when the network device turns on or turns off the HARQ feedback of the HARQ process, dynamically turning on and off HARQ by sending DCI to the terminal Process feedback can use at least one field in DCI format in related technologies:
  • the unused fields will not occupy bytes.
  • design a new DCI format including indicating at least one of the following information: 1. On or off or off; for example, HARQ-disabled; 2. On or off the corresponding HARQ ID; 3. On or off Turn off the bitmap or HARQ group number of the corresponding HARQ ID; 4. Effective time to turn on or off; 5. Unit of effective time to turn on or off: symbol (symbol)/slot (time slot)/subframe (subframe)/ frame.
  • the method when the method is applied to a network device, the method may further include: the network device sends a specific RNTI to indicate whether to turn on or turn off the HARQ feedback of the HARQ process.
  • the method when the method is applied to a network device, the method may further include: the network device schedules data to specific physical resources (time domain, frequency domain, code domain, and/or spatial physical resources).
  • the resource indicates that the HARQ feedback of the HARQ process corresponding to the data received and/or sent on these specific physical resources is turned off.
  • the information that the HARQ process corresponding to the data received and/or sent on these specific physical resources is closed may be configured in higher layer signaling (RRC signaling and/or MAC signaling) or defined in the protocol.
  • RRC signaling and/or MAC signaling higher layer signaling
  • it is a combination of high-level signaling (RRC signaling and/or MAC signaling) configuration and definition in the protocol, for example, the method of using an index to look up a table.
  • the HARQ process feedback is turned on or off according to the information that the HARQ process feedback is turned on or off; thus, the HARQ process feedback can be selectively used according to the specific situation to improve the transmission efficiency.
  • an embodiment of the present disclosure also provides a control device 60 for HARQ process feedback of hybrid automatic repeat request, which is applied to a terminal, and includes:
  • the processing module 61 is configured to enable or disable the HARQ process feedback by the terminal according to the information that the HARQ process feedback is turned on or off.
  • the information fed back from the HARQ process on or off includes at least one of the following:
  • the data resource of the service mapping bears the DRB and/or the signaling resource bears the SRB;
  • the number of HARQ processes that the terminal can run in parallel can be calculated from at least one of the following information:
  • the HARQ retransmission probability is calculated by the terminal according to the channel quality measurement, or the terminal predicts the HARQ retransmission probability for the current period of time based on the historical HARQ retransmission probability, or the terminal according to the channel
  • the quality measurement and the historical HARQ retransmission probability are obtained from the HARQ retransmission probability prediction result for the current period of time.
  • the number of RLC retransmissions is the number of RLC retransmissions within a preset time period.
  • control device for HARQ process feedback further includes:
  • the transceiver module 62 is configured to send feedback information for turning on or turning off the HARQ process feedback to the network device.
  • the feedback information includes at least one of the following:
  • the predetermined wireless network temporarily identifies the RNTI, and the RNTI indicates that the HARQ feedback of the HARQ process is turned on or off.
  • the information fed back by the HARQ process on or off includes: when the terminal can run in parallel the number of HARQ processes, according to the information fed back by the HARQ process on or off, the HARQ process feedback on or off includes:
  • the information fed back to the HARQ process on or off includes: when RLC retransmission times, according to the information fed back from the HARQ process on or off, turning on or off the HARQ process feedback includes:
  • the terminal When the number of RLC retransmissions reaches the preset threshold H1, the terminal starts at least part of the HARQ process for feedback.
  • the information fed back to the HARQ process on or off includes: when the HARQ process is used by the service, the HARQ process feedback is turned on or off according to the information fed back from the HARQ process on or off, including:
  • the HARQ process feedback of the service is started.
  • the HARQ process feedback information on or off includes: when the channel quality is turned on or off, the terminal turns on or off the HARQ process feedback according to the information on the HARQ process feedback on or off, including:
  • the channel quality is lower than the third preset threshold and higher than the fourth preset threshold, enable the HARQ process feedback.
  • turning on or turning off the HARQ process feedback according to the information of turning on or turning off the HARQ process feedback includes:
  • control information sent by a network device the control information carrying information for turning on or turning off the HARQ process feedback
  • the HARQ process feedback is turned on or off.
  • control information includes at least one of the following:
  • the data resource of the service mapping bears the DRB and/or the signaling resource bears the SRB;
  • Downlink control information DCI the DCI is used to dynamically turn on and turn off the feedback of the HARQ process
  • a predetermined wireless network temporary identification RNTI where the RNTI indicates to enable or disable the HARQ feedback of the HARQ process
  • the HARQ feedback indicating the HARQ process corresponding to the data received and/or transmitted on the predetermined physical resource is turned off.
  • the information that the HARQ process feedback is turned on or off includes: when the DRB and/or SRB of the service mapping, the HARQ process feedback is turned on or off according to the control information, including:
  • the service data packet is mapped to the DRB and/or SRB, and the indication information is used to indicate that the service has a reliability requirement higher than the first preset value and/or Services requiring delays higher than the second preset value;
  • Enable HARQ process feedback according to the logical channel corresponding to the DRB and/or SRB or according to the indication information.
  • the information fed back to the HARQ process on or off includes: when the logical channel or logical channel group configuration corresponding to the DRB and/or SRB of the service mapping, the HARQ process feedback is turned on or off according to the control information ,include:
  • the indication of the logical channel or logical channel group configuration corresponding to the DRB and/or SRB is: when the HARQ process feedback is turned on, according to the indication, the HARQ process feedback is turned on;
  • the HARQ process feedback is turned off according to the indication.
  • the device is a device corresponding to the method shown in FIG. 1 above, and all the implementation manners in the above method embodiments are applicable to the embodiments of the device, and the same technical effects can also be achieved.
  • an embodiment of the present disclosure further provides a communication device 70, the communication device is a terminal or a network device, and the communication device includes: a processor 71, configured to feed back information based on enabling or disabling the HARQ process , The terminal turns on or turns off the HARQ process feedback.
  • the information fed back from the HARQ process on or off includes at least one of the following:
  • the data resource of the service mapping bears the DRB and/or the signaling resource bears the SRB;
  • the number of HARQ processes that the terminal can run in parallel can be calculated from at least one of the following information:
  • the HARQ retransmission probability is calculated by the terminal according to the channel quality measurement, or the terminal predicts the HARQ retransmission probability for the current period of time based on the historical HARQ retransmission probability, or the terminal according to the channel
  • the quality measurement and the historical HARQ retransmission probability are obtained from the HARQ retransmission probability prediction result for the current period of time.
  • the number of RLC retransmissions is the number of RLC retransmissions within a preset time period.
  • control device for HARQ process feedback further includes:
  • the transceiver 72 is configured to send feedback information for turning on or turning off the HARQ process feedback to the network device.
  • the feedback information includes at least one of the following:
  • the predetermined wireless network temporarily identifies the RNTI, and the RNTI indicates that the HARQ feedback of the HARQ process is turned on or off.
  • the information fed back by the HARQ process on or off includes: when the terminal can run in parallel the number of HARQ processes, according to the information fed back by the HARQ process on or off, the HARQ process feedback on or off includes:
  • the information fed back to the HARQ process on or off includes: when RLC retransmission times, according to the information fed back from the HARQ process on or off, turning on or off the HARQ process feedback includes:
  • the terminal When the number of RLC retransmissions reaches the preset threshold H1, the terminal starts at least part of the HARQ process for feedback.
  • the information fed back to the HARQ process on or off includes: when the HARQ process is used by the service, the HARQ process feedback is turned on or off according to the information fed back from the HARQ process on or off, including:
  • the HARQ process feedback of the service is started.
  • the HARQ process feedback information on or off includes: when the channel quality is turned on or off, the terminal turns on or off the HARQ process feedback according to the information on the HARQ process feedback on or off, including:
  • the channel quality is lower than the third preset threshold and higher than the fourth preset threshold, enable the HARQ process feedback.
  • turning on or turning off the HARQ process feedback according to the information of turning on or turning off the HARQ process feedback includes:
  • control information sent by a network device the control information carrying information for turning on or turning off the HARQ process feedback
  • the HARQ process feedback is turned on or off.
  • control information includes at least one of the following:
  • the data resource of the service mapping bears the DRB and/or the signaling resource bears the SRB;
  • Downlink control information DCI the DCI is used to dynamically turn on and turn off the feedback of the HARQ process
  • a predetermined wireless network temporary identification RNTI where the RNTI indicates to enable or disable the HARQ feedback of the HARQ process
  • the HARQ feedback indicating the HARQ process corresponding to the data received and/or transmitted on the predetermined physical resource is turned off.
  • the information fed back to the HARQ process on or off includes: when the DRB and/or SRB of the service mapping, the HARQ process feedback is turned on or off according to the control information, including:
  • the service data packet is mapped to the DRB and/or SRB, and the indication information is used to indicate that the service has a reliability requirement higher than the first preset value and/or Services requiring delays higher than the second preset value;
  • Enable HARQ process feedback according to the logical channel corresponding to the DRB and/or SRB or according to the indication information.
  • the information fed back to the HARQ process on or off includes: when the logical channel or logical channel group configuration corresponding to the DRB and/or SRB of the service mapping, the HARQ process feedback is turned on or off according to the control information ,include:
  • the indication of the logical channel or logical channel group configuration corresponding to the DRB and/or SRB is: when the HARQ process feedback is turned on, according to the indication, the HARQ process feedback is turned on;
  • the indication of the logical channel or logical channel group configuration corresponding to the DRB and/or SRB is: when the HARQ process feedback is turned off, the HARQ process feedback is turned off according to the indication.
  • the terminal is a terminal corresponding to the method shown in FIG. 1 above, and all implementation manners in the above method embodiments are applicable to the embodiments of the terminal, and the same technical effects can also be achieved.
  • the terminal may further include: a memory 73; the transceiver 72 and the processor 71, as well as the transceiver 72 and the memory 73, can be connected through a bus interface.
  • the functions of the transceiver 72 can be implemented by the processor 71.
  • the function of 71 can also be realized by the transceiver 72.
  • the embodiment of the present disclosure also provides a control device for HARQ process feedback of hybrid automatic repeat request, which is applied to network equipment, and includes:
  • the transceiver module is used to receive the feedback information sent by the terminal to turn on or turn off the HARQ process
  • the processing module is configured to send control information for turning on or turning off the HARQ process feedback to the terminal according to the information fed back by the HARQ process on or off.
  • control information includes at least one of the following:
  • the data resource of the service mapping bears the DRB and/or the signaling resource bears the SRB;
  • Downlink control information DCI the DCI is used to dynamically turn on and turn off the feedback of the HARQ process
  • a predetermined wireless network temporary identification RNTI where the RNTI indicates to enable or disable the HARQ feedback of the HARQ process
  • the HARQ feedback indicating the HARQ process corresponding to the data received and/or transmitted on the predetermined physical resource is turned off.
  • the device is a device corresponding to the method on the network device side described above, and all the implementation manners in the above method embodiments are applicable to the embodiments of the device, and the same technical effects can also be achieved.
  • the embodiment of the present disclosure also provides a network device, including:
  • the transceiver is used to receive the feedback information sent by the terminal to turn on or turn off the HARQ process
  • the processor is configured to send control information for turning on or turning off the HARQ process feedback to the terminal according to the information fed back by the HARQ process on or off.
  • control information includes at least one of the following:
  • the data resource of the service mapping bears the DRB and/or the signaling resource bears the SRB;
  • Downlink control information DCI the DCI is used to dynamically turn on and turn off the feedback of the HARQ process
  • a predetermined wireless network temporary identification RNTI where the RNTI indicates to enable or disable the HARQ feedback of the HARQ process
  • the HARQ feedback indicating the HARQ process corresponding to the data received and/or transmitted on the predetermined physical resource is turned off.
  • the network device is a network device corresponding to the above-mentioned method on the network device side, and all implementation manners in the above-mentioned method embodiment are applicable to the embodiment of the network device, and the same technical effect can also be achieved.
  • the network device may further include: a memory; the transceiver and the processor, as well as the transceiver and the memory, can be connected via a bus interface.
  • the function of the transceiver can be realized by the processor, and the function of the processor can also be realized by the transceiver. Machine realization.
  • the embodiment of the present disclosure further provides a communication device, including a processor and a memory storing a computer program, and the computer program executes the method described above when the computer program is run by the processor. All the implementation manners in the foregoing method embodiments are applicable to the embodiments, and the same technical effects can also be achieved.
  • Embodiments of the present disclosure also provide a computer-readable storage medium, including instructions, which when run on a computer, cause the computer to execute the method described above. All the implementation manners in the foregoing method embodiments are applicable to the embodiments, and the same technical effects can also be achieved.
  • the HARQ process feedback can be selectively used according to specific conditions , Improve transmission efficiency.
  • the disclosed device and method may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components can be combined or It can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • the functional units in the various embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
  • the technical solution of the present disclosure essentially or the part that contributes to the related technology or the part of the technical solution can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium, including several
  • the instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present disclosure.
  • the aforementioned storage media include: U disk, mobile hard disk, ROM, RAM, magnetic disk or optical disk and other media that can store program codes.
  • each component or each step can be decomposed and/or recombined.
  • decomposition and/or recombination should be regarded as equivalent solutions of the present disclosure.
  • the steps of performing the above series of processing can naturally be performed in a time sequence in the order of description, but do not necessarily need to be performed in a time sequence, and some steps can be performed in parallel or independently of each other.
  • the purpose of the present disclosure can also be realized by running a program or a group of programs on any computing device.
  • the computing device may be a well-known general-purpose device. Therefore, the purpose of the present disclosure can also be achieved only by providing a program product containing program code for implementing the method or device. That is, such a program product also constitutes the present disclosure, and a storage medium storing such a program product also constitutes the present disclosure.
  • the storage medium may be any well-known storage medium or any storage medium developed in the future. It should also be pointed out that, in the device and method of the present disclosure, obviously, each component or each step can be decomposed and/or recombined.

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Abstract

Les modes de réalisation de la présente invention concernent un procédé pour commander un retour pour un processus de demande de répétition automatique hybride (HARQ), un terminal et un appareil de réseau. Le procédé est appliqué dans un côté terminal et comprend : l'activation ou la désactivation d'un retour pour un processus de HARQ selon des informations associées à une activation ou à une désactivation du retour pour le processus de HARQ. Dans la solution de la présente invention, un retour pour un processus de HARQ peut être utilisé sélectivement sur la base de la situation spécifique, ce qui améliore l'efficacité de la transmission.
PCT/CN2020/105521 2019-08-14 2020-07-29 Procédé de commande de retour pour un processus de demande de répétition automatique hybride (harq), terminal et appareil de réseau WO2021027574A1 (fr)

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