WO2023280298A1 - Procédé et appareil permettant de déterminer un mode de rétroaction, puce et dispositif de module - Google Patents

Procédé et appareil permettant de déterminer un mode de rétroaction, puce et dispositif de module Download PDF

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Publication number
WO2023280298A1
WO2023280298A1 PCT/CN2022/104571 CN2022104571W WO2023280298A1 WO 2023280298 A1 WO2023280298 A1 WO 2023280298A1 CN 2022104571 W CN2022104571 W CN 2022104571W WO 2023280298 A1 WO2023280298 A1 WO 2023280298A1
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WIPO (PCT)
Prior art keywords
field
value
downlink control
control information
terminal device
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PCT/CN2022/104571
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English (en)
Chinese (zh)
Inventor
王化磊
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北京紫光展锐通信技术有限公司
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Publication of WO2023280298A1 publication Critical patent/WO2023280298A1/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 invention relates to the communication field, in particular to a method, device, chip and module equipment for determining a feedback mode.
  • new radio (NR) R17 has clearly supported semi-persistent scheduling (semi persistent scheduling, SPS) multicast (group-common) physical downlink shared channel (PDSCH), that is, NR R17 has clearly Multicast PDSCH that supports semi-persistent scheduling.
  • SPS semi-persistent scheduling
  • PDSCH physical downlink shared channel
  • HARQ-ACK Hybrid automatic repeat request acknowledgment
  • ACK acknowledgment
  • NACK negative Acknowledgment
  • HARQ-ACK information including only NACK
  • No HARQ-ACK feedback there is currently no specific solution for how the terminal device determines a specific feedback method.
  • the present application provides a method for determining a feedback mode, a device, a chip, and a module device, so that a terminal device can perform HARQ feedback more flexibly.
  • a method for determining a feedback mode comprising:
  • the terminal device receives downlink control information, where the downlink control information includes a first field;
  • the terminal device determines a hybrid automatic repeat request (HARQ) feedback manner according to the first field.
  • HARQ hybrid automatic repeat request
  • the terminal device can receive downlink control information to determine the HARQ feedback mode according to the first field included in the downlink control information, so that the terminal device can perform HARQ feedback more flexibly.
  • a method for determining a feedback mode comprising:
  • the network device determines downlink control information, where the downlink control information includes a first field, and the first field is used to indicate a hybrid automatic repeat request (HARQ) feedback mode of the terminal device;
  • HARQ hybrid automatic repeat request
  • the network device sends the downlink control information.
  • the network device can determine the downlink control information and send the downlink control information. Since the first field included in the downlink control information is used to indicate the HARQ feedback mode of the terminal device, the terminal device can be more flexible. to perform HARQ feedback.
  • the HARQ feedback mode is that the terminal equipment feeds back an acknowledgment message or the terminal equipment feeds back a negative Confirmation message; if 1 bit of the first field is a second value, the HARQ feedback mode is no feedback.
  • the HARQ feedback mode is also different, that is, one field is used to flexibly indicate the HARQ feedback mode.
  • the HARQ feedback method is that the terminal device only feeds back a negative confirmation message; if the first The value of 1 bit of a field is the fourth value, and the feedback mode of the HARQ is no feedback.
  • the HARQ feedback mode is also different, that is, one field is used to flexibly indicate the HARQ feedback mode.
  • the HARQ feedback mode is that the terminal equipment feeds back an acknowledgment message or the terminal equipment feeds back a negative An acknowledgment message; if the value of 1 bit of the first field is the sixth value, the HARQ feedback mode is that the terminal device only feeds back a negative acknowledgment message.
  • the HARQ feedback mode is also different, that is, one field is used to flexibly indicate the HARQ feedback mode.
  • the downlink control information further includes a second field, and if the information indicated by the second field is feedback, the HARQ feedback mode is that the terminal equipment feedback A confirmation message or the terminal device feeds back a negative confirmation message or the terminal device only feeds back a negative confirmation message.
  • the HARQ feedback mode is the terminal equipment feedback confirmation message or the terminal equipment feedback negative confirmation message or the terminal equipment feedback
  • the device only feeds back a negative acknowledgment message, that is, two fields are used to implement a flexible HARQ feedback mode.
  • the information indicated by the second field is an available value.
  • the downlink control information further includes a second field, and if the information indicated by the second field is an unavailable value, the HARQ feedback mode is no feedback.
  • the HARQ feedback mode is that the terminal equipment feeds back an acknowledgment message or the terminal equipment feeds back a negative Acknowledgment message; if the 2-bit value of the first field is the ninth value, the HARQ feedback method is that the terminal device only feeds back a negative confirmation message; if the 2-bit value of the first field is the tenth value value, the HARQ feedback mode is no feedback.
  • the HARQ feedback mode is also different, that is, one field is used to flexibly indicate the HARQ feedback mode.
  • the first field is one or more of the following fields: an identifier for DCI formats field of a downlink control information format, a physical uplink control channel resource indication (PUCCH resource indicator) field, demodulation reference signal sequence initialization (DMRS sequence initialization) field, bandwidth part indicator (bandwidth part indicator) field, carrier indicator (carrier indicator) field, antenna port (antenna port(s)) field, sounding reference signal Request (SRS request) field, transmission power control (TPC command for scheduled PUCCH) field of the physical uplink control channel.
  • PUCCH resource indicator physical uplink control channel resource indication
  • DMRS sequence initialization demodulation reference signal sequence initialization
  • bandwidth part indicator bandwidth part indicator
  • carrier indicator carrier indicator
  • SRS request sounding reference signal Request
  • TPC command for scheduled PUCCH transmission power control
  • the downlink control information is further used to indicate a first index
  • the semi-persistent scheduling physical downlink data channel corresponding to the first index belongs to a semi-persistent scheduling multicast physical downlink data channel.
  • the downlink control information is used to activate or schedule a semi-persistently scheduled multicast physical downlink data channel.
  • the downlink control information is carried by a user-dedicated physical downlink control channel, or the downlink control information is carried by a multicast physical downlink control channel.
  • a communication device in a third aspect, includes a communication unit and a processing unit, wherein:
  • the communication unit is configured to receive downlink control information, where the downlink control information includes a first field;
  • the processing unit is configured to determine a hybrid automatic repeat request (HARQ) feedback manner according to the first field.
  • HARQ hybrid automatic repeat request
  • a communication device in a fourth aspect, includes a communication unit and a processing unit, wherein:
  • the processing unit is configured to determine downlink control information, where the downlink control information includes a first field, and the first field is used to indicate a feedback mode of hybrid automatic repeat request (HARQ) of the terminal device;
  • HARQ hybrid automatic repeat request
  • the communication unit is configured to send the downlink control information.
  • a communication device including a processor, a memory, and a transceiver;
  • the transceiver is used to receive channels or signals, or to transmit channels or signals;
  • the memory is used to store computer programs
  • the processor is configured to call the computer program from the memory to execute the method according to any one of the first aspect or the second aspect.
  • the chip is configured to receive downlink control information, where the downlink control information includes a first field;
  • the chip is further configured to determine a hybrid automatic repeat request (HARQ) feedback mode according to the first field.
  • HARQ hybrid automatic repeat request
  • the chip is configured to determine downlink control information, the downlink control information includes a first field, and the first field is used to indicate a feedback mode of a hybrid automatic repeat request (HARQ) of the terminal device;
  • HARQ hybrid automatic repeat request
  • the chip is also used to send the downlink control information.
  • a module device includes a communication module, a power module, a storage module, and a chip, wherein:
  • the power supply module is used to provide electric energy for the module equipment
  • the storage module is used to store data and instructions
  • the communication module is used for internal communication of the module equipment, or for the communication between the module equipment and external equipment;
  • the chip is used for:
  • a hybrid automatic repeat request (HARQ) feedback mode is determined.
  • a module device includes a communication module, a power module, a storage module, and a chip, wherein:
  • the power supply module is used to provide electric energy for the module equipment
  • the storage module is used to store data and instructions
  • the communication module is used for internal communication of the module equipment, or for the communication between the module equipment and external equipment;
  • the chip is used for:
  • the downlink control information includes a first field, and the first field is used to indicate a hybrid automatic repeat request (HARQ) feedback mode of the terminal device;
  • HARQ hybrid automatic repeat request
  • a computer-readable storage medium wherein a computer program is stored in the computer storage medium, and when the computer program is run on a communication device, the communication device executes the first aspect or The method of any one of the second aspects.
  • Fig. 1 is the infrastructure of the communication system provided by the embodiment of the present application.
  • FIG. 2 is a schematic flowchart of a method for determining a feedback mode provided in an embodiment of the present application
  • FIG. 3 shows a schematic structural diagram of a communication device according to an embodiment of the present application
  • FIG. 4 shows a schematic structural diagram of another communication device according to an embodiment of the present application.
  • FIG. 5 shows a communication device 50 provided by an embodiment of the present application
  • Fig. 6 is a schematic structural diagram of a module device provided by an embodiment of the present application.
  • FIG. 1 is a basic architecture of a communication system provided by an embodiment of the present application.
  • the network architecture generally includes terminal devices and network devices, and the number and form of each device do not limit the embodiment of the present application.
  • the terminal device is connected to the network device, and the terminal device can obtain data network services through the network device, wherein the network device can provide communication services for multiple terminal devices.
  • the embodiment of the present application defines the one-way communication link from the network device to the terminal device as the downlink, the data transmitted on the downlink is downlink data, and the transmission direction of the downlink data is called the downlink direction; and the communication link from the terminal device to the network device
  • the one-way communication link is an uplink, the data transmitted on the uplink is uplink data, and the transmission direction of the uplink data is called the uplink direction.
  • the terminal device involved in the embodiment of the present application is an entity on the user side for receiving or transmitting signals.
  • a terminal device may be a device that provides voice and/or data connectivity to a user, for example, a handheld device with a wireless connection function, a vehicle-mounted device, and the like. End devices may also be other processing devices connected to wireless modems.
  • the terminal device can communicate with a radio access network (radio access network, RAN).
  • Radio access network radio access network, RAN
  • Terminal equipment may also be called wireless terminal, subscriber unit, subscriber station, mobile station, mobile station, remote station, access point , remote terminal (remote terminal), access terminal (access terminal), user terminal (user terminal), user agent (user agent), user equipment (user device), or user equipment (user equipment, UE), etc.
  • Terminal equipment may be mobile terminals, such as mobile telephones (or "cellular" telephones) and computers with mobile terminals, such as portable, pocket, hand-held, computer built-in or vehicle-mounted mobile devices, which communicate with wireless
  • the access networks exchange language and/or data.
  • the terminal equipment can also be a personal communication service (personal communication service, PCS) phone, a cordless phone, a session initiation protocol (session initiation protocol, SIP) phone, a wireless local loop (wireless local loop, WLL) station, a personal digital assistant (personal digital assistant, PDA), and other equipment.
  • PCS personal communication service
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDA personal digital assistant
  • Common terminal devices include, for example: mobile phones, tablet computers, notebook computers, palmtop computers, mobile internet devices (mobile internet device, MID), wearable devices, such as smart watches, smart bracelets, pedometers, etc., but the implementation of this application Examples are not limited to this.
  • the network device involved in the embodiment of the present application includes a base station (base station, BS), which may be a device deployed in a wireless access network and capable of performing wireless communication with a terminal.
  • the base station may have various forms, such as a macro base station, a micro base station, a relay station, and an access point.
  • the device for realizing the function of the network device may be a network device; it may also be a device capable of supporting the network device to realize the function, such as a chip system, and the device may be installed in the network device.
  • the method provided by the embodiment of the present application can be applied to various communication systems, for example, it can be an Internet of Things (Internet of Things, IoT) system, a narrowband Internet of Things (NB-IoT) system, a long-term evolution ( long term evolution (LTE) system, the fifth generation (5th-generation, 5G) communication system, LTE and 5G hybrid architecture, 5G new radio (NR) system, and future communication New communication systems emerging in development, etc.
  • IoT Internet of Things
  • NB-IoT narrowband Internet of Things
  • LTE long-term evolution
  • 5G fifth generation
  • LTE and 5G hybrid architecture LTE and 5G hybrid architecture
  • 5G new radio (NR) system 5G new radio
  • FIG. 2 is a schematic flowchart of a method for determining a feedback mode provided in an embodiment of the present application.
  • the method for determining the feedback mode includes but is not limited to the following steps 201 - 203 .
  • the execution subject of the method shown in FIG. 2 can be a terminal device or a chip in a terminal device or a network device or a chip in a network device.
  • the execution subject of step 201 can be a network device or a chip in a network device, and steps 202-203 are performed.
  • the main body may be a terminal device or a chip in a terminal device.
  • FIG. 2 uses a terminal device and a network device as an example for performing the method.
  • the executors of the method for determining the feedback mode shown in other drawings of the embodiment of the present application are the same, and will not be described in detail below. in:
  • the network device determines downlink control information (downlink control information, DCI), where the downlink control information includes a first field.
  • DCI downlink control information
  • the downlink control information is used to activate or schedule a semi-persistent scheduling (semi persistent scheduling, SPS) multicast physical downlink data channel.
  • the physical downlink data channel may be a physical downlink shared channel (physical downlink shared channel, PDSCH). It can be understood that in this application, the name of the physical downlink data channel is not limited.
  • the downlink control information is also used to indicate the first index
  • the semi-persistent scheduling physical downlink data channel corresponding to the first index belongs to the semi-persistent scheduling multicast physical downlink data channel.
  • the first index may be, for example, a semi-persistent scheduling index (SPS index) or other indexes, which is not limited here.
  • the downlink control information is carried by a user-specific (UE-specific) physical downlink control channel (PDCCH), or the downlink control information is carried by a multicast physical downlink control channel, which is not limited here .
  • UE-specific user-specific physical downlink control channel
  • multicast physical downlink control channel
  • the first field may be one or more of the following fields: an identifier for DCI formats field, a physical uplink control channel resource indicator (PUCCH resource indicator) field, and a demodulation reference signal sequence Initialization (DMRS sequence initialization) field, bandwidth part indicator (bandwidth part indicator) field, carrier indicator (carrier indicator) field, antenna port (antenna port(s)) field, sounding reference signal request (SRS request) field, physical uplink control The transmission power control (TPC command for scheduled PUCCH) field of the channel.
  • DMRS sequence initialization demodulation reference signal sequence Initialization
  • bandwidth part indicator bandwidth part indicator
  • carrier indicator carrier indicator
  • SRS request sounding reference signal request
  • TPC command for scheduled PUCCH physical uplink control
  • the first field may also be other fields, which is not limited here.
  • the terminal device receives downlink control information.
  • the network device sends downlink control information.
  • step 202 may include: the terminal device receives downlink control information from the network device.
  • the network device sends downlink control information to the terminal device.
  • the terminal device receives the downlink control information from the network device, which may be implemented in any of the following ways:
  • Method 1 The terminal device can receive downlink control information from the network device through the user-dedicated physical downlink control channel, and correspondingly, the network device can send downlink control information to the terminal device through the user-dedicated physical downlink control channel.
  • Method 2 The terminal device receives downlink control information from the network device through the multicast physical downlink control channel.
  • the network device can send downlink control information to the terminal device through the multicast physical downlink control channel.
  • the terminal device determines a HARQ feedback mode according to the first field.
  • the HARQ feedback mode may include one or more of the following: the terminal device feeds back an acknowledgment message, the terminal device feeds back a negative acknowledgment message, the terminal device only feeds back a negative acknowledgment message, or no feedback.
  • the HARQ feedback method is that the terminal device feeds back an acknowledgment message or the terminal device feeds back a negative confirmation message; if the value of 1 bit of the first field is the second value, The feedback mode of HARQ is no feedback.
  • the first value and the second value are different.
  • the first value may be 1, and the second value may be 0; or, the first value may be 0, and the second value may be 1, which is not limited herein.
  • 1 bit of the first field may be any 1 bit of the first field.
  • 1 bit of the first field may be the highest 1 bit of the first field or the lowest 1 bit of the first field, etc., which is not limited here.
  • the HARQ feedback method is that the terminal device feeds back an acknowledgment message or the terminal device feeds back a negative confirmation message, which can be understood as: if the value of 1 bit of the first field is The first value, the HARQ feedback mode of the physical downlink data channel scheduled or activated by the downlink control information is that the terminal equipment feeds back an acknowledgment message or the terminal equipment feeds back a negative acknowledgment message.
  • the physical downlink data channel scheduled or activated by the downlink control information may be understood as: the semi-persistent scheduling physical downlink data channel scheduled or activated by the downlink control information.
  • the HARQ feedback mode is no feedback, which can be understood as: if the value of 1 bit of the first field is the second value, the downlink control information scheduled or The HARQ feedback mode of the activated physical downlink data channel is no feedback.
  • the HARQ feedback mode is also different, that is, one field is used to flexibly indicate the HARQ feedback mode.
  • the HARQ feedback method is that the terminal device only feeds back a negative acknowledgment message; if the value of 1 bit of the first field is the fourth value, the HARQ feedback method is No feedback.
  • the third value and the fourth value are different.
  • the third value may be, for example, 1, and the fourth value may be, for example, 0; or, the third value may be, for example, 0, and the fourth value may be, for example, 1, which is not limited herein.
  • the HARQ feedback method is that the terminal device only feeds back a negative confirmation message, which can be understood as: if the value of 1 bit of the first field is the third value, the downlink The HARQ feedback mode of the physical downlink data channel scheduled or activated by the control information is that the terminal equipment only feeds back a negative confirmation message.
  • the HARQ feedback mode is no feedback, which can be understood as: if the value of 1 bit of the first field is the fourth value, the downlink control information scheduled or The HARQ feedback mode of the activated physical downlink data channel is no feedback.
  • the HARQ feedback mode is also different, that is, one field is used to flexibly indicate the HARQ feedback mode.
  • the HARQ feedback method is that the terminal device feeds back an acknowledgment message or the terminal device feeds back a negative confirmation message; if the value of 1 bit of the first field is the sixth value, The HARQ feedback method is that the terminal equipment only feeds back negative confirmation messages.
  • the fifth value and the sixth value are different.
  • the fifth value may be 1, and the sixth value may be 0; or, the fifth value may be 0, and the sixth value may be 1, which is not limited herein.
  • the HARQ feedback method is that the terminal device feeds back an acknowledgment message or the terminal device feeds back a negative confirmation message, which can be understood as: if the value of 1 bit of the first field is Fifth value, the HARQ feedback mode of the physical downlink data channel scheduled or activated by the downlink control information is that the terminal equipment feeds back an acknowledgment message or the terminal equipment feeds back a negative acknowledgment message.
  • the HARQ feedback method is that the terminal device only feeds back a negative acknowledgment message, which can be understood as: if the value of 1 bit of the first field is the sixth value, the downlink The HARQ feedback mode of the physical downlink data channel scheduled or activated by the control information is that the terminal equipment only feeds back a negative confirmation message.
  • the HARQ feedback mode is also different, that is, one field is used to flexibly indicate the HARQ feedback mode.
  • the downlink control information further includes a second field. If the information indicated by the second field is feedback, the HARQ feedback method is that the terminal device feeds back a confirmation message or the terminal device feeds back a negative confirmation message or the terminal device only feeds back a negative confirmation message .
  • the second field may be, for example, a PDSCH-to-HARQ timing indication (PDSCH-to-HARQ_feedback timing) field or other fields, which is not limited here.
  • PDSCH-to-HARQ_feedback timing PDSCH-to-HARQ_feedback timing
  • the information indicated by the second field is feedback, which can be understood as: the information indicated by the second field is an applicable value.
  • the HARQ feedback method is that the terminal device feeds back a confirmation message or the terminal device feeds back a negative confirmation message or the terminal device only feeds back a negative confirmation message, which can be understood as: if the second field The indicated information is feedback, and the HARQ feedback mode of the physical downlink data channel scheduled or activated by the downlink control information is that the terminal device feeds back an acknowledgment message or the terminal device feeds back a negative acknowledgment message or the terminal device only feeds back a negative acknowledgment message.
  • the HARQ feedback mode is the terminal equipment feedback confirmation message or the terminal equipment feedback negative confirmation message or the terminal equipment feedback
  • the device only feeds back a negative acknowledgment message, that is, two fields are used to implement a flexible HARQ feedback mode.
  • the downlink control information further includes a second field, and if the information indicated by the second field is an inapplicable value, the HARQ feedback mode is no feedback.
  • the HARQ feedback mode is no feedback, which can be understood as: if the information indicated by the second field is an unavailable value, the downlink control information scheduled or The HARQ feedback mode of the activated physical downlink data channel is no feedback.
  • the terminal device may determine that the HARQ feedback mode is no feedback only according to the second field.
  • the downlink control information further includes a second field. If the 1-bit value of the first field is the fifth value and the information indicated by the second field is feedback, the HARQ feedback method is that the terminal equipment feeds back a confirmation message or the terminal equipment The device returns a negative acknowledgment message.
  • the downlink control information further includes a second field. If the 1-bit value of the first field is the sixth value and the information indicated by the second field is feedback, the HARQ feedback method is that the terminal device only feeds back a negative confirmation message .
  • the HARQ feedback mode is jointly determined through the two fields, realizing a more flexible determination of the HARQ feedback mode.
  • the HARQ feedback method is that the terminal device feeds back an acknowledgment message or the terminal device feeds back a negative acknowledgment message; if the 2-bit value of the first field is the ninth value, The HARQ feedback method is that the terminal equipment only feeds back a negative confirmation message; if the value of the 2 bits in the first field is the tenth value, the HARQ feedback method is no feedback.
  • the eighth value, the ninth value and the tenth value are different from each other. That is, the eighth value, the ninth value, and the tenth value may be any three values of 00, 01, 10, and 11 that are different from each other.
  • the eighth value may be 00, the ninth value may be 01, and the tenth value may be 10; or, the eighth value may be 00, the ninth value may be 01, and the tenth value may be, for example, can be 11; or, the eighth value can be, for example, 00, the ninth value can be, for example, 10, and the tenth value can be, for example, 01; or, the eighth value can be, for example, 00, the ninth value can be, for example, 11, the tenth
  • the value may be, for example, 01; or, the eighth value may be, for example, 01, the ninth value may be, for example, 00, the tenth value may be, for example, 10, and so on.
  • the 2 bits of the first field may be any 2 bits of the first field.
  • the 2 bits of the first field may be the highest 2 bits of the first field or the lowest 2 bits of the first field, etc., which are not limited here.
  • the HARQ feedback method is that the terminal device feeds back an acknowledgment message or the terminal device feeds back a negative acknowledgment message, which can be understood as: if the 2-bit value of the first field is The eighth value, the HARQ feedback mode of the physical downlink data channel scheduled or activated by the downlink control information is that the terminal equipment feeds back an acknowledgment message or the terminal equipment feeds back a negative acknowledgment message.
  • the HARQ feedback method is that the terminal device only feeds back a negative acknowledgment message, which can be understood as: if the 2-bit value of the first field is the ninth value, the downlink The HARQ feedback mode of the physical downlink data channel scheduled or activated by the control information is that the terminal equipment only feeds back a negative confirmation message.
  • the HARQ feedback mode is no feedback, which can be understood as: if the 2-bit value of the first field is the tenth value, the downlink control information scheduled or The HARQ feedback mode of the activated physical downlink data channel is no feedback.
  • the HARQ feedback mode is also different, that is, one field is used to flexibly indicate the HARQ feedback mode.
  • FIG. 3 shows a schematic structural diagram of a communication device according to an embodiment of the present application.
  • the communication device shown in FIG. 3 may be used to implement part or all of the functions of the above-mentioned terminal device.
  • the device may be a terminal device, or a device in the terminal device, or a device that can be matched with the terminal device.
  • the communication device may also be a system on a chip.
  • the communication device shown in FIG. 3 may include a communication unit 301 and a processing unit 302 .
  • the processing unit 302 is configured to perform data processing.
  • a communication unit 301 configured to communicate with other devices.
  • the communication unit 301 is integrated with a receiving unit and a sending unit.
  • the communication unit 301 may also be called a transceiver unit. Alternatively, the communication unit 301 may also be split into a receiving unit and a sending unit.
  • the processing unit 302 and the communication unit 301 below have the same principle, and will not be described in detail below. in:
  • the communication unit 301 is configured to receive downlink control information, and the downlink control information includes a first field; the processing unit 302 is configured to determine a HARQ feedback mode according to the first field.
  • step 201 in FIG. 2 reference may be made to the relevant description of step 201 in FIG. 2 , and details are not repeated here.
  • the terminal device can receive downlink control information to determine the HARQ feedback mode according to the first field included in the downlink control information, so that the terminal device can perform HARQ feedback more flexibly.
  • the HARQ feedback method is that the terminal device feeds back an acknowledgment message or the terminal device feeds back a negative confirmation message; if the value of 1 bit of the first field is the second value, The feedback mode of HARQ is no feedback.
  • the HARQ feedback mode is also different, that is, one field is used to flexibly indicate the HARQ feedback mode.
  • the HARQ feedback method is that the terminal device only feeds back a negative acknowledgment message; if the value of 1 bit of the first field is the fourth value, the HARQ feedback method is No feedback.
  • the HARQ feedback mode is also different, that is, one field is used to flexibly indicate the HARQ feedback mode.
  • the HARQ feedback method is that the terminal device feeds back an acknowledgment message or the terminal device feeds back a negative confirmation message; if the value of 1 bit of the first field is the sixth value, The HARQ feedback method is that the terminal equipment only feeds back negative confirmation messages.
  • the HARQ feedback mode is also different, that is, one field is used to flexibly indicate the HARQ feedback mode.
  • the downlink control information further includes a second field. If the information indicated by the second field is feedback, the HARQ feedback mode is that the terminal equipment feeds back a confirmation message or the terminal equipment feeds back a negative confirmation message or the terminal equipment only feeds back a negative confirmation message .
  • the HARQ feedback mode is the terminal equipment feedback confirmation message or the terminal equipment feedback negative confirmation message or the terminal equipment feedback
  • the device only feeds back a negative acknowledgment message, that is, two fields are used to implement a flexible HARQ feedback mode.
  • the information indicated by the second field is an available value.
  • the downlink control information further includes a second field, and if the information indicated by the second field is an unavailable value, the HARQ feedback mode is no feedback.
  • the terminal device may determine that the HARQ feedback mode is no feedback only according to the second field.
  • the downlink control information further includes a second field. If the 1-bit value of the first field is the fifth value and the information indicated by the second field is feedback, the HARQ feedback method is that the terminal equipment feeds back a confirmation message or the terminal equipment The device returns a negative acknowledgment message.
  • the downlink control information further includes a second field. If the 1-bit value of the first field is the sixth value and the information indicated by the second field is feedback, the HARQ feedback method is that the terminal device only feeds back a negative confirmation message .
  • the HARQ feedback method is that the terminal device feeds back an acknowledgment message or the terminal device feeds back a negative acknowledgment message; if the 2-bit value of the first field is the ninth value, The HARQ feedback method is that the terminal equipment only feeds back a negative confirmation message; if the value of the 2 bits in the first field is the tenth value, the HARQ feedback method is no feedback.
  • the HARQ feedback mode is also different, that is, one field is used to flexibly indicate the HARQ feedback mode.
  • the downlink control information is also used to indicate the first index, and the semi-persistent scheduling physical downlink data channel corresponding to the first index belongs to the semi-persistent scheduling multicast physical downlink data channel.
  • the downlink control information is used to activate or schedule a semi-persistently scheduled multicast physical downlink data channel.
  • the downlink control information is carried by a user-dedicated physical downlink control channel, or the downlink control information is carried by a multicast physical downlink control channel.
  • FIG. 4 shows a schematic structural diagram of another communication device according to an embodiment of the present application.
  • the communication device shown in Fig. 4 can be used to perform some or all functions of the above-mentioned terminal equipment.
  • the device may be a terminal device, or a device in the terminal device, or a device that can be matched with the terminal device.
  • the communication device may also be a system on a chip.
  • the communication device shown in FIG. 4 may include a communication unit 401 and a processing unit 402 .
  • the processing unit 402 is configured to perform data processing.
  • a communication unit 401 configured to communicate with other devices.
  • the communication unit 401 is integrated with a receiving unit and a sending unit.
  • the communication unit 401 may also be called a transceiver unit. Alternatively, the communication unit 401 may also be split into a receiving unit and a sending unit.
  • the processing unit 402 and the communication unit 401 below have the same principle, and will not be described in detail below. in:
  • the processing unit 402 is configured to determine downlink control information, the downlink control information includes a first field, and the first field is used to indicate the HARQ feedback mode of the terminal device; the communication unit 401 is configured to send the downlink control information.
  • step 201 in FIG. 2 reference may be made to the relevant description of step 201 in FIG. 2 , and details are not repeated here.
  • the network device can determine the downlink control information and send the downlink control information. Since the first field included in the downlink control information is used to indicate the HARQ feedback mode of the terminal device, the terminal device can be more flexible. to perform HARQ feedback.
  • the HARQ feedback method is that the terminal device feeds back an acknowledgment message or the terminal device feeds back a negative confirmation message; if the value of 1 bit of the first field is the second value, The feedback mode of HARQ is no feedback.
  • the HARQ feedback mode is also different, that is, one field is used to flexibly indicate the HARQ feedback mode.
  • the HARQ feedback method is that the terminal device only feeds back a negative acknowledgment message; if the value of 1 bit of the first field is the fourth value, the HARQ feedback method is No feedback.
  • the HARQ feedback mode is also different, that is, one field is used to flexibly indicate the HARQ feedback mode.
  • the HARQ feedback method is that the terminal device feeds back an acknowledgment message or the terminal device feeds back a negative confirmation message; if the value of 1 bit of the first field is the sixth value, The HARQ feedback method is that the terminal equipment only feeds back negative confirmation messages.
  • the HARQ feedback mode is also different, that is, one field is used to flexibly indicate the HARQ feedback mode.
  • the downlink control information further includes a second field. If the information indicated by the second field is feedback, the HARQ feedback mode is that the terminal equipment feeds back a confirmation message or the terminal equipment feeds back a negative confirmation message or the terminal equipment only feeds back a negative confirmation message .
  • the HARQ feedback mode is the terminal equipment feedback confirmation message or the terminal equipment feedback negative confirmation message or the terminal equipment feedback
  • the device only feeds back a negative acknowledgment message, that is, two fields are used to implement a flexible HARQ feedback mode.
  • the information indicated by the second field is an available value.
  • the downlink control information further includes a second field, and if the information indicated by the second field is an unavailable value, the HARQ feedback mode is no feedback.
  • the terminal device may determine that the HARQ feedback mode is no feedback only according to the second field.
  • the downlink control information further includes a second field. If the 1-bit value of the first field is the fifth value and the information indicated by the second field is feedback, the HARQ feedback method is that the terminal equipment feeds back a confirmation message or the terminal equipment The device returns a negative acknowledgment message.
  • the downlink control information further includes a second field. If the 1-bit value of the first field is the sixth value and the information indicated by the second field is feedback, the HARQ feedback method is that the terminal device only feeds back a negative confirmation message .
  • the HARQ feedback method is that the terminal device feeds back an acknowledgment message or the terminal device feeds back a negative acknowledgment message; if the 2-bit value of the first field is the ninth value, The HARQ feedback method is that the terminal equipment only feeds back a negative confirmation message; if the value of the 2 bits in the first field is the tenth value, the HARQ feedback method is no feedback.
  • the HARQ feedback mode is also different, that is, one field is used to flexibly indicate the HARQ feedback mode.
  • the downlink control information is also used to indicate the first index, and the semi-persistent scheduling physical downlink data channel corresponding to the first index belongs to the semi-persistent scheduling multicast physical downlink data channel.
  • the downlink control information is used to activate or schedule a semi-persistently scheduled multicast physical downlink data channel.
  • the downlink control information is carried by a user-dedicated physical downlink control channel, or the downlink control information is carried by a multicast physical downlink control channel.
  • the embodiment of the present application also provides a chip, which can execute the relevant steps of the terminal device or the network device in the foregoing method embodiments.
  • the chip is used to receive downlink control information, and the downlink control information includes the first field; the chip is also used to determine the feedback mode of hybrid automatic repeat request (HARQ) according to the first field.
  • HARQ hybrid automatic repeat request
  • the chip is used to determine the downlink control information, the downlink control information includes a first field, and the first field is used to indicate the feedback mode of the hybrid automatic repeat request HARQ of the terminal equipment; the chip is also used to send the downlink control information.
  • the HARQ feedback method is that the terminal device feeds back an acknowledgment message or the terminal device feeds back a negative confirmation message; if the value of 1 bit of the first field is the second value, The feedback mode of HARQ is no feedback.
  • the HARQ feedback method is also different, that is, one field is used to flexibly indicate the HARQ feedback method.
  • the HARQ feedback method is that the terminal device only feeds back a negative acknowledgment message; if the value of 1 bit of the first field is the fourth value, the HARQ feedback method is No feedback.
  • the HARQ feedback mode is also different, that is, one field is used to flexibly indicate the HARQ feedback mode.
  • the HARQ feedback method is that the terminal device feeds back an acknowledgment message or the terminal device feeds back a negative confirmation message; if the value of 1 bit of the first field is the sixth value, The HARQ feedback method is that the terminal equipment only feeds back negative confirmation messages.
  • the HARQ feedback mode is also different, that is, one field is used to flexibly indicate the HARQ feedback mode.
  • the downlink control information further includes a second field. If the information indicated by the second field is feedback, the HARQ feedback mode is that the terminal equipment feeds back a confirmation message or the terminal equipment feeds back a negative confirmation message or the terminal equipment only feeds back a negative confirmation message .
  • the HARQ feedback mode is the terminal equipment feedback confirmation message or the terminal equipment feedback negative confirmation message or the terminal equipment feedback
  • the device only feeds back a negative acknowledgment message, that is, two fields are used to implement a flexible HARQ feedback mode.
  • the information indicated by the second field is an available value.
  • the downlink control information further includes a second field, and if the information indicated by the second field is an unavailable value, the HARQ feedback mode is no feedback.
  • the terminal device may determine that the HARQ feedback mode is no feedback only according to the second field.
  • the downlink control information further includes a second field. If the 1-bit value of the first field is the fifth value and the information indicated by the second field is feedback, the HARQ feedback method is that the terminal equipment feeds back a confirmation message or the terminal equipment The device returns a negative acknowledgment message.
  • the downlink control information further includes a second field. If the 1-bit value of the first field is the sixth value and the information indicated by the second field is feedback, the HARQ feedback method is that the terminal device only feeds back a negative confirmation message .
  • the HARQ feedback method is that the terminal device feeds back an acknowledgment message or the terminal device feeds back a negative acknowledgment message; if the 2-bit value of the first field is the ninth value, The HARQ feedback method is that the terminal equipment only feeds back a negative confirmation message; if the value of the 2 bits in the first field is the tenth value, the HARQ feedback method is no feedback.
  • the HARQ feedback mode is also different, that is, one field is used to flexibly indicate the HARQ feedback mode.
  • the downlink control information is also used to indicate the first index, and the semi-persistent scheduling physical downlink data channel corresponding to the first index belongs to the semi-persistent scheduling multicast physical downlink data channel.
  • the downlink control information is used to activate or schedule a semi-persistently scheduled multicast physical downlink data channel.
  • the downlink control information is carried by a user-dedicated physical downlink control channel, or the downlink control information is carried by a multicast physical downlink control channel.
  • FIG. 5 shows a communication device 50 provided by an embodiment of the present application, which is used to implement the functions of the above-mentioned terminal equipment or network equipment.
  • the device may be a terminal device or a device for a terminal device.
  • the apparatus for a terminal device may be a chip system or a chip in the terminal device.
  • the system-on-a-chip may consist of chips, or may include chips and other discrete devices.
  • the communication device may also be used to implement the above-mentioned network device functions.
  • the device may be a network device or a device for a network device.
  • the apparatus for network equipment may be a system-on-a-chip or a chip within the network equipment.
  • the system-on-a-chip may consist of chips, or may include chips and other discrete devices.
  • the communication device 50 includes at least one processor 520, configured to implement a data processing function of a terminal device or a network device in the method provided in the embodiment of the present application.
  • the apparatus 50 may also include a communication interface 510, configured to implement the transceiving operation of the terminal device or the network device in the method provided by the embodiment of the present application.
  • the communication interface may be a transceiver, a circuit, a bus, a module or other types of communication interfaces for communicating with other devices through a transmission medium.
  • the communication interface 510 is used for devices in the device 50 to communicate with other devices.
  • the processor 520 uses the communication interface 510 to send and receive data, and is used to implement the method described in FIG. 2 of the above method embodiment.
  • Apparatus 50 may also include at least one memory 530 for storing program instructions and/or data.
  • the memory 530 is coupled to the processor 520 .
  • the coupling in the embodiments of the present application is an indirect coupling or a communication connection between devices, units or modules, which may be in electrical, mechanical or other forms, and is used for information exchange between devices, units or modules.
  • Processor 520 may cooperate with memory 530 .
  • Processor 520 may execute program instructions stored in memory 530 . At least one of the at least one memory may be included in the processor.
  • the processor 520 can read the software program in the memory 530, interpret and execute the instructions of the software program, and process the data of the software program.
  • the processor 520 performs baseband processing on the data to be sent, and then outputs the baseband signal to the radio frequency circuit (not shown in the figure), and the radio frequency circuit performs radio frequency processing on the baseband signal, and passes the radio frequency signal through the antenna in the form of electromagnetic waves Send out.
  • the radio frequency circuit receives the radio frequency signal through the antenna, converts the radio frequency signal into a baseband signal, and outputs the baseband signal to the processor 520, and the processor 520 converts the baseband signal into data and processes the data deal with.
  • the radio frequency circuit and antenna can be set independently of the processor 520 for baseband processing. layout.
  • a specific connection medium among the communication interface 510, the processor 520, and the memory 530 is not limited.
  • the memory 530, the processor 520, and the communication interface 510 are connected through the bus 540.
  • the bus is represented by a thick line in FIG. 5, and the connection mode between other components is only for schematic illustration. , is not limited.
  • the bus can be divided into address bus, data bus, control bus and so on. For ease of representation, only one thick line is used in FIG. 5 , but it does not mean that there is only one bus or one type of bus.
  • the processor may be a general-purpose processor, a digital signal processor, an application-specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or transistor logic device, or a discrete hardware component, and may implement or Execute the methods, operations and logic block diagrams disclosed in the embodiments of the present application.
  • a general purpose processor may be a microprocessor or any conventional processor or the like. The operations of the method disclosed in the embodiments of the present application may be directly implemented by a hardware processor, or implemented by a combination of hardware and software modules in the processor.
  • the communication device can execute the relevant steps of the terminal device or the access network device in the foregoing method embodiments, and for details, refer to the implementation manners provided by the foregoing steps, and details are not repeated here.
  • each module contained therein may be realized by hardware such as a circuit, and different modules may be located in the same component (such as a chip, a circuit module, etc.) or different components in the terminal.
  • at least part of the modules may be implemented in the form of a software program, the software program runs on a processor integrated in the terminal, and the remaining (if any) modules may be implemented in hardware such as circuits.
  • FIG. 6 is a schematic structural diagram of a module device provided by an embodiment of the present application.
  • the module device 60 can perform related steps of the terminal device or network device in the foregoing method embodiments, and the module device 60 includes: a communication module 601 , a power module 602 , a storage module 603 and a chip 604 .
  • the power supply module 602 is used to provide electric energy for the module equipment;
  • the storage module 603 is used to store data and instructions;
  • the communication module 601 is used for internal communication of the module equipment, or for communication between the module equipment and external equipment .
  • the chip 604 is configured to: receive downlink control information, where the downlink control information includes a first field; and determine a hybrid automatic repeat request (HARQ) feedback mode according to the first field.
  • HARQ hybrid automatic repeat request
  • the chip 604 is configured to: determine downlink control information, the downlink control information includes a first field, and the first field is used to indicate a HARQ feedback mode of the terminal device; and send the downlink control information.
  • the HARQ feedback method is that the terminal device feeds back an acknowledgment message or the terminal device feeds back a negative confirmation message; if the value of 1 bit of the first field is the second value, The feedback mode of HARQ is no feedback.
  • the HARQ feedback method is that the terminal device only feeds back a negative acknowledgment message; if the value of 1 bit of the first field is the fourth value, the HARQ feedback method is No feedback.
  • the HARQ feedback method is that the terminal device feeds back an acknowledgment message or the terminal device feeds back a negative confirmation message; if the value of 1 bit of the first field is the sixth value, The HARQ feedback method is that the terminal equipment only feeds back negative confirmation messages.
  • the downlink control information further includes a second field. If the information indicated by the second field is feedback, the HARQ feedback mode is that the terminal equipment feeds back an acknowledgment message or the terminal equipment feeds back a negative acknowledgment message or only feeds back a negative acknowledgment message.
  • the information indicated by the second field is an available value.
  • the downlink control information further includes a second field, and if the information indicated by the second field is an unavailable value, the HARQ feedback mode is no feedback.
  • the terminal device may determine that the HARQ feedback mode is no feedback only according to the second field.
  • the downlink control information further includes a second field. If the 1-bit value of the first field is the fifth value and the information indicated by the second field is feedback, the HARQ feedback method is that the terminal equipment feeds back a confirmation message or the terminal equipment The device returns a negative acknowledgment message.
  • the downlink control information further includes a second field. If the 1-bit value of the first field is the sixth value and the information indicated by the second field is feedback, the HARQ feedback method is that the terminal device only feeds back a negative confirmation message .
  • the HARQ feedback method is that the terminal device feeds back an acknowledgment message or the terminal device feeds back a negative acknowledgment message; if the 2-bit value of the first field is the ninth value, The HARQ feedback method is that the terminal equipment only feeds back a negative confirmation message; if the value of the 2 bits in the first field is the tenth value, the HARQ feedback method is no feedback.
  • the downlink control information is also used to indicate the first index, and the semi-persistent scheduling physical downlink data channel corresponding to the first index belongs to the semi-persistent scheduling multicast physical downlink data channel.
  • the downlink control information is used to activate or schedule a semi-persistently scheduled multicast physical downlink data channel.
  • the downlink control information is carried by a user-dedicated physical downlink control channel, or the downlink control information is carried by a multicast physical downlink control channel.
  • the embodiment of the present application also provides a computer-readable storage medium, where instructions are stored in the computer-readable storage medium, and when the instruction is run on a processor, the method flow of the above-mentioned method embodiment is implemented.
  • the embodiment of the present application further provides a computer program product.
  • the computer program product is run on a processor, the method flow of the above method embodiment is implemented.

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

La présente demande divulgue un procédé et un appareil permettant de déterminer un mode de rétroaction, une puce et un dispositif de module. Le procédé comprend les étapes suivantes : un dispositif terminal reçoit des informations de commande de liaison descendante, les informations de commande de liaison descendante comprenant un premier champ ; et le dispositif terminal détermine un mode de rétroaction pour une demande de répétition automatique hybride (HARQ) selon le premier champ. Au moyen des modes de réalisation de la présente demande, un dispositif terminal peut réaliser de manière plus flexible une rétroaction de demande HARQ.
PCT/CN2022/104571 2021-07-09 2022-07-08 Procédé et appareil permettant de déterminer un mode de rétroaction, puce et dispositif de module WO2023280298A1 (fr)

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CN202110780149.6A CN115603867A (zh) 2021-07-09 2021-07-09 一种反馈方式的确定方法、装置、芯片及模组设备
CN202110780149.6 2021-07-09

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