WO2022126527A1 - Procédé et appareil de transmission de pucch, dispositif de communication et support d'enregistrement - Google Patents

Procédé et appareil de transmission de pucch, dispositif de communication et support d'enregistrement Download PDF

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Publication number
WO2022126527A1
WO2022126527A1 PCT/CN2020/137310 CN2020137310W WO2022126527A1 WO 2022126527 A1 WO2022126527 A1 WO 2022126527A1 CN 2020137310 W CN2020137310 W CN 2020137310W WO 2022126527 A1 WO2022126527 A1 WO 2022126527A1
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WIPO (PCT)
Prior art keywords
pucch
transmission
format
time domain
configuration parameter
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PCT/CN2020/137310
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English (en)
Chinese (zh)
Inventor
刘洋
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北京小米移动软件有限公司
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Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to PCT/CN2020/137310 priority Critical patent/WO2022126527A1/fr
Priority to CN202080003998.4A priority patent/CN114946241A/zh
Publication of WO2022126527A1 publication Critical patent/WO2022126527A1/fr

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

Definitions

  • the present disclosure relates to the field of wireless communication technologies, but is not limited to the field of wireless communication technologies, and in particular, to a method, apparatus, communication device, and storage medium for transmitting PUCCH.
  • the fifth generation mobile communication technology 5th Generation Mobile Network
  • various wireless communication scenarios are introduced.
  • QoS Quality of Service
  • different wireless communication scenarios there may be different Quality of Service (QoS, Quality of Service), which can meet different types of business requirements.
  • QoS Quality of Service
  • URLLC ultra-reliable and low-latency communication
  • URLLC Ultra reliable and low latency communication
  • high-reliability services can be supported.
  • PUCCH Physical Uplink Control Channel
  • the embodiments of the present disclosure disclose a method, an apparatus, a communication device, and a storage medium for transmitting a PUCCH.
  • a method for transmitting PUCCH which is applied to a terminal, and the method includes:
  • the configuration parameter of the repeated transmission of the PUCCH is determined according to the PUCCH format supported by the terminal for the repeated transmission of the physical uplink control channel PUCCH.
  • an apparatus for transmitting PUCCH wherein, applied to a terminal, the apparatus includes a determining module, wherein,
  • the determining module is configured to: determine the configuration parameter of the repeated transmission of the PUCCH according to the PUCCH format supported by the terminal for the repeated transmission of the physical uplink control channel PUCCH.
  • a communication device comprising:
  • a memory for storing the processor-executable instructions
  • the processor is configured to: when executing the executable instructions, implement the method described in any embodiment of the present disclosure.
  • a computer storage medium stores a computer-executable program, and the executable program implements the method described in any embodiment of the present disclosure when the executable program is executed by a processor.
  • the configuration parameter of the repeated transmission of the PUCCH is determined according to the PUCCH format supported by the terminal for the repeated transmission of the physical uplink control channel PUCCH.
  • the configuration parameter of the repeated transmission of the PUCCH may be determined according to the supported PUCCH format for the repeated transmission of the PUCCH.
  • the terminal may use the same PUCCH format. Repeated transmission of the PUCCH is performed with configuration parameters adapted to the format, so that the requirements of reliability, delay and/or coverage strength in different scenarios can be met.
  • FIG. 1 is a schematic structural diagram of a wireless communication system.
  • Fig. 2a is a schematic flowchart of a method for transmitting PUCCH according to an exemplary embodiment.
  • Fig. 2b is a schematic diagram showing a method for transmitting PUCCH according to an exemplary embodiment.
  • Fig. 2c is a schematic diagram showing a method for transmitting PUCCH according to an exemplary embodiment.
  • Fig. 2d is a schematic diagram showing a method for transmitting PUCCH according to an exemplary embodiment.
  • Fig. 2e is a schematic diagram showing a method for transmitting PUCCH according to an exemplary embodiment.
  • Fig. 3 is a schematic flowchart of a method for transmitting PUCCH according to an exemplary embodiment.
  • FIG. 4 is a schematic flowchart of a method for transmitting PUCCH according to an exemplary embodiment.
  • Fig. 5 is a schematic flowchart of a method for transmitting PUCCH according to an exemplary embodiment.
  • Fig. 6 is a schematic flowchart of a method for transmitting PUCCH according to an exemplary embodiment.
  • FIG. 7 is a schematic flowchart of a method for transmitting PUCCH according to an exemplary embodiment.
  • FIG. 8 is a schematic flowchart of a method for transmitting PUCCH according to an exemplary embodiment.
  • Fig. 9 is a schematic diagram of an apparatus for transmitting PUCCH according to an exemplary embodiment.
  • FIG. 10 is a schematic structural diagram of a terminal according to an exemplary embodiment.
  • Fig. 11 is a block diagram of a base station according to an exemplary embodiment.
  • first, second, third, etc. may be used in embodiments of the present disclosure to describe various pieces of information, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
  • the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information.
  • the word "if” as used herein can be interpreted as "at the time of” or "when” or "in response to determining.”
  • the terms “greater than” or “less than” are used herein when characterizing the relationship of size. But for those skilled in the art, it can be understood that the term “greater than” also covers the meaning of “greater than or equal to”, and “less than” also covers the meaning of "less than or equal to”.
  • FIG. 1 shows a schematic structural diagram of a wireless communication system provided by an embodiment of the present disclosure.
  • the wireless communication system is a communication system based on a mobile communication technology, and the wireless communication system may include: several user equipments 110 and several base stations 120 .
  • the user equipment 110 may be a device that provides voice and/or data connectivity to the user.
  • User equipment 110 may communicate with one or more core networks via a Radio Access Network (RAN), and user equipment 110 may be IoT user equipment such as sensor devices, mobile phones (or "cellular" phones) ) and a computer with IoT user equipment, for example, may be stationary, portable, pocket-sized, hand-held, computer-built or vehicle-mounted.
  • RAN Radio Access Network
  • IoT user equipment such as sensor devices, mobile phones (or "cellular" phones)
  • a computer with IoT user equipment for example, may be stationary, portable, pocket-sized, hand-held, computer-built or vehicle-mounted.
  • station Ses, STA
  • subscriber unit subscriber unit
  • subscriber station subscriber station
  • mobile station mobile station
  • mobile station mobile station
  • remote station remote station
  • access terminal remote user equipment
  • the user equipment 110 may also be a device of an unmanned aerial vehicle.
  • the user equipment 110 may also be an in-vehicle device, for example, a trip computer with a wireless communication function, or a wireless user equipment connected to an external trip computer.
  • the user equipment 110 may also be a roadside device, for example, may be a street light, a signal light, or other roadside devices with a wireless communication function.
  • the base station 120 may be a network-side device in a wireless communication system.
  • the wireless communication system may be the 4th generation mobile communication (4G) system, also known as the Long Term Evolution (Long Term Evolution, LTE) system; or, the wireless communication system may also be a 5G system, Also known as New Radio System or 5G NR System.
  • the wireless communication system may also be a next-generation system of the 5G system.
  • the access network in the 5G system can be called NG-RAN (New Generation-Radio Access Network, a new generation of radio access network).
  • the base station 120 may be an evolved base station (eNB) used in the 4G system.
  • the base station 120 may also be a base station (gNB) that adopts a centralized distributed architecture in a 5G system.
  • eNB evolved base station
  • gNB base station
  • the base station 120 adopts a centralized distributed architecture it usually includes a centralized unit (central unit, CU) and at least two distributed units (distributed unit, DU).
  • the centralized unit is provided with a protocol stack of a Packet Data Convergence Protocol (PDCP) layer, a Radio Link Control Protocol (Radio Link Control, RLC) layer, and a Media Access Control (Media Access Control, MAC) layer; distribution A physical (Physical, PHY) layer protocol stack is set in the unit, and the specific implementation manner of the base station 120 is not limited in this embodiment of the present disclosure.
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control Protocol
  • MAC Media Access Control
  • distribution A physical (Physical, PHY) layer protocol stack is set in the unit, and the specific implementation manner of the base station 120 is not limited in this embodiment of the present disclosure.
  • a wireless connection can be established between the base station 120 and the user equipment 110 through a wireless air interface.
  • the wireless air interface is a wireless air interface based on the fourth generation mobile communication network technology (4G) standard; or, the wireless air interface is a wireless air interface based on the fifth generation mobile communication network technology (5G) standard, such as
  • the wireless air interface is a new air interface; alternatively, the wireless air interface may also be a wireless air interface based on a 5G next-generation mobile communication network technology standard.
  • an E2E (End to End, end-to-end) connection may also be established between the user equipments 110 .
  • V2V vehicle to vehicle, vehicle-to-vehicle
  • V2I vehicle to Infrastructure, vehicle-to-roadside equipment
  • V2P vehicle to pedestrian, vehicle-to-person communication in vehicle-to-everything (V2X) communication etc. scene.
  • the above-mentioned user equipment may be regarded as the terminal equipment of the following embodiments.
  • the above wireless communication system may further include a network management device 130 .
  • the network management device 130 may be a core network device in a wireless communication system.
  • the network management device 130 may be a mobility management entity (Mobility Management Entity) in an evolved packet core network (Evolved Packet Core, EPC). MME).
  • the network management device may also be other core network devices, such as a serving gateway (Serving GateWay, SGW), a public data network gateway (Public Data Network GateWay, PGW), a policy and charging rule functional unit (Policy and Charging Rules) Function, PCRF) or home subscriber server (Home Subscriber Server, HSS), etc.
  • the implementation form of the network management device 130 is not limited in this embodiment of the present disclosure.
  • the PUCCH is used to carry uplink control information.
  • the PUCCH format is determined according to the uplink control information to be transmitted.
  • the PUCCH formats include: a short PUCCH format and a long PUCCH format.
  • the short PUCCH format is a PUCCH format occupying 1 to 2 symbols.
  • the short PUCCH format may carry 1 to 2 bits of information.
  • the long PUCCH format is a PUCCH format occupying 4 to 14 symbols.
  • the long PUCCH format may carry more than 2 bits of information.
  • the uplink control information is carried in a short PUCCH format. In this way, the feedback delay of the hybrid automatic repeat request (HARQ, Hybrid Automatic Repeat reQuest) can be shortened,
  • the uplink control information is carried in the long PUCCH format. In this way, longer durations can ensure high coverage strengths.
  • the wireless communication system does not support transmission of PUCCH across slot boundaries or across sub-slot boundaries, nor does it support repeated transmission of PUCCH based on sub-slots.
  • repeated transmission of PUCCH is not supported.
  • format 0 or format 2 does not support repeated transmission of PUCCH.
  • format 1, format 3 or format 4 only supports the repeated transmission of slot-based PUCCH.
  • the number of transmissions for the repeated transmission of the PUCCH is semi-statically configured.
  • the repeated transmission of the time-slot-based PUCCH cannot take into account the time delay requirement while ensuring that the reliability meets the requirement. In this way, in the URLLC scenario or some beamforming scenarios, the delay is relatively large.
  • the repeated transmission of the PUCCH based on the slot does not support the repeated transmission of the PUCCH in the short PUCCH format. In this way, there is no corresponding repetition enhancement scheme for format0 and format2.
  • this embodiment provides a method for transmitting PUCCH, which is applied to a terminal, and the method includes:
  • Step 21 Determine the configuration parameters of the repeated transmission of the PUCCH according to the PUCCH format supported by the terminal for the repeated transmission of the physical uplink control channel PUCCH.
  • the terminal may be, but is not limited to, a terminal such as a mobile phone, a wearable device, a vehicle-mounted terminal, a roadside unit (RSU, Road Side Unit), a smart home terminal, and an industrial sensing device.
  • a terminal such as a mobile phone, a wearable device, a vehicle-mounted terminal, a roadside unit (RSU, Road Side Unit), a smart home terminal, and an industrial sensing device.
  • a terminal such as a mobile phone, a wearable device, a vehicle-mounted terminal, a roadside unit (RSU, Road Side Unit), a smart home terminal, and an industrial sensing device.
  • RSU Road Side Unit
  • the terminal may transmit data to the base station through the PUCCH.
  • the base station may be various types of base stations, for example, a base station of a third generation mobile communication (3G) network, a base station of a fourth generation mobile communication (4G) network, a fifth generation mobile communication (5G) network base station or other evolved base station.
  • 3G third generation mobile communication
  • 4G fourth generation mobile communication
  • 5G fifth generation mobile communication
  • the PUCCH format includes: a short PUCCH format and/or a long PUCCH format.
  • the short PUCCH format is a PUCCH format occupying 1 to 2 symbols. For example, format 0 or format 2.
  • the short PUCCH format may carry 1 to 2 bits of information.
  • the long PUCCH format is a PUCCH format occupying 4 to 14 symbols.
  • the long PUCCH format may carry more than 2 bits of information.
  • the terminal only supports the short PUCCH format.
  • the terminal only supports the long PUCCH format.
  • the terminal supports both short and long PUCCH formats.
  • the PUCCH is used to carry uplink control information.
  • the repeated transmission of the PUCCH may be repeated transmission of the same data using different PUCCHs.
  • the same uplink control information is transmitted using the first PUCCH, the second PUCCH and the third PUCCH, respectively.
  • the first PUCCH, the second PUCCH and the third PUCCH are different PUCCH resources.
  • different PUCCHs since different PUCCHs repeatedly transmit the same data, different PUCCHs may be combined, and the combined PUCCHs may be used for decoding to obtain uplink control information. In this way, the reliability of transmitting uplink control information can be improved.
  • the PUCCH may be selected from a PUCCH resource set.
  • the PUCCH resource set includes: the first PUCCH, the second PUCCH, the third PUCCH, the fourth PUCCH, the fifth PUCCH, and the sixth PUCCH
  • the first PUCCH, the second PUCCH, and the third PUCCH can be selected to repeat the PUCCH transmission.
  • the first PUCCH, the second PUCCH, the third PUCCH, the fourth PUCCH, the fifth PUCCH and the sixth PUCCH are different PUCCH resources.
  • the configuration parameters include at least one of the following:
  • the first indication parameter indicating the number of time units occupied by the transmission of a single PUCCH
  • the second indication parameter indicating the time domain starting position occupied by the transmission of a single PUCCH
  • the third indication parameter indicating the number of times of repeated transmission of the PUCCH
  • the fourth indication parameter indicating the repetition time unit of the repeated transmission of the PUCCH in the time domain; wherein, the repetition time unit includes: a time slot or a subslot;
  • the fifth indication parameter indicates whether the repeated transmission of the PUCCH in the time domain supports or does not support cross-slot transmission.
  • a single transmission of PUCCH may be any one of repeated transmissions of PUCCH.
  • the time unit occupied by the transmission of the PUCCH may be a symbol.
  • the number of time units occupied by the PUCCH for each repeated transmission is the same.
  • the time domain starting position is the position where the PUCCH starting symbol is located in the slot or subslot where it is located.
  • the 3rd symbol is the time domain starting position of the PUCCH.
  • the starting position in the time domain is the position of the first symbol occupied by the PUCCH transmitted in the sub-slot.
  • the starting position in the time domain is the position of the first symbol occupied by the PUCCH transmitted in the time slot.
  • the time domain start positions of the symbols repeatedly occupied by the PUCCH each time are the same.
  • the subsequent N-1 PUCCH transmissions can be continuously transmitted on subsequent available resources, then
  • the time domain starting positions of the remaining (N-1) times of transmitting the PUCCH may be determined according to the time domain starting position of the first transmission of the PUCCH.
  • the number of repeated transmissions may be determined according to the transmission quality of the channel.
  • the number of repeated transmissions in response to the transmission quality of the channel being less than the quality threshold, may be set to be greater than or equal to the quantity threshold; or, in response to the transmission quality of the channel being greater than the quality threshold, the number of repeated transmissions may be set to be less than or equal to the quantity threshold.
  • the number of repeated transmissions can be adaptively adjusted according to the transmission quality of the channel.
  • the repetition time unit of the repeated transmission of the PUCCH in the time domain may be the repetition granularity.
  • repeated transmissions are performed at the granularity of time slots.
  • repeated transmissions are performed with sub-slot granularity.
  • it is determined that cross-slot transmission is supported in response to the symbols occupied by the PUCCH transmission may exceed the boundaries of the timeslot.
  • it is determined that cross-slot transmission is supported in response to the symbols occupied by the PUCCH transmission may exceed sub-slot boundaries.
  • the configuration parameter of repeated transmission of PUCCH is the first configuration parameter; wherein the first configuration parameter at least indicates the The number of times and the time domain start position of each PUCCH transmission; the time domain start position of each PUCCH transmission within the time unit is the same.
  • the configuration parameter of the repeated transmission of the PUCCH is determined to be the first configuration parameter.
  • the first configuration parameter at least indicates the number of repetitions and the time domain starting position of each time the PUCCH transmission is performed in the time slot or sub-slot.
  • the time domain start position may be the position of the first symbol of the occupied symbol in the time slot or subslot for the PUCCH transmission.
  • each time slot contains the same number of symbols and each sub-slot contains the same number of symbols
  • the time domain starting position of the PUCCH transmission in each other time slot or sub-slot can be determined.
  • the repeated transmission includes 5 PUCCH transmissions, and the position of the first symbol of the symbol occupied by the first PUCCH transmission in the time slot is A, then in the remaining 4 PUCCH transmissions , the starting position of the symbol occupied by each PUCCH transmission is the A position of the corresponding time slot.
  • the time domain start position of the symbol occupied by each PUCCH transmission of the PUCCH repeated transmission can be obtained through one indication.
  • the configuration parameter for repeated transmission of PUCCH in response to the PUCCH format supported by the terminal for repeated transmission of PUCCH being the second format, it is determined that the configuration parameter for repeated transmission of PUCCH is the second configuration parameter; wherein the second configuration parameter indicates the first PUCCH The time domain start position of transmission; the time domain start position of the first PUCCH transmission is used to determine the time domain start position of the (N-1)th PUCCH transmission; wherein, N is a positive integer greater than 2.
  • the configuration parameter of the repeated transmission of the PUCCH is determined to be the second configuration parameter.
  • the second configuration parameter at least indicates the time domain starting position of the first PUCCH transmission in the time slot or sub-slot.
  • the time domain start position may be the position of the first symbol of the occupied symbol in the slot or subslot of the first PUCCH transmission.
  • the repeated transmission of the PUCCH is a continuous repeated transmission.
  • the second configuration parameter only needs to indicate the time domain start position of the first PUCCH transmission, and the time domain start position of any PUCCH transmission can be determined by the time domain start position of the first PUCCH transmission.
  • the configuration parameters of the repeated transmission of the PUCCH are determined according to the priorities of the first format and the second format.
  • the first format is a long PUCCH format
  • the second format is a short PUCCH format
  • the supported PUCCH format for repeated transmission of PUCCH is the first format and the second format may be repeated transmission of PUCCH in the time domain, supporting both the transmission of PUCCH in the first format and the second format transmission of the PUCCH.
  • the first format and the second format have different priorities.
  • the repeated transmission of the PUCCH in the first format is preferentially performed based on the first configuration parameter, and then the second format is performed based on the second configuration parameter. Repeated transmission of formatted PUCCH.
  • the repeated transmission of the PUCCH in the second format is preferentially performed based on the second configuration parameter, and then the first format is performed based on the first configuration parameter. Repeated transmission of formatted PUCCH.
  • the terminal receives configuration parameters configured by the base station to the terminal through signaling.
  • the signaling may be Radio Resource Control (RRC, Radio Resource Control) signaling, Media Access Control (MAC, Media Access Control) signaling, or Downlink Control Information (DCI, Downlink Control Information) signaling.
  • RRC Radio Resource Control
  • MAC Media Access Control
  • DCI Downlink Control Information
  • a time slot or sub-slot-based PUCCH may be used. Repeat transmission.
  • each time slot or sub-slot includes one PUCCH transmission, and each PUCCH transmission of the repeated transmission has a uniform time domain starting position, and at the same time Each PUCCH transmission occupies the same number of symbols.
  • this PUCCH transmission is skipped.
  • the number of repeated transmissions of PUCCH is 4;
  • the sub-slots in Figure 2b include sub-slot1, sub-slot2, sub-slot3 and sub-slot4, a total of four sub-slots, four of which are adjacent sub-slots;
  • the time domain starting position is For the symbol numbered 1, as shown in Fig. 2b, the time domain starting positions of the symbols occupied by the PUCCH transmitted in sub-slot1, sub-slot2, sub-slot3 and sub-slot4 are all symbol 1.
  • the number of symbols occupied by the transmission of each PUCCH is the same. In FIG. 2b, the number of symbols occupied by each PUCCH transmission is 5.
  • the number of times of repeated transmission of PUCCH is 2; it is the repeated transmission of PUCCH based on time slots, that is, each time slot corresponds to one transmission of PUCCH, and the time slot in Figure 2c includes slot1 and slot2 , a total of two time slots; the time domain starting position is the symbol numbered 1, as shown in Figure 2c, the time domain starting positions of the symbols occupied by the PUCCH transmitted in slot1 and slot2 are both symbol 1.
  • the number of symbols occupied by the transmission of each PUCCH is the same. In FIG. 2c, the number of occupied symbols is 10.
  • the long PUCCH format is used for repeated transmission, which has good reliability and enhanced coverage.
  • the PUCCH in the short PUCCH format (for example, format 0 or format 2) needs to be repeatedly transmitted, in order to support multiple transmission reception points, beamforming or hybrid automatic retransmission, continuous retransmission of PUCCH retransmission may be used In this way, repeated transmission of continuous PUCCH is performed.
  • PUCCH transmission across slots and sub-slots is supported, and when a slot boundary or a sub-slot boundary is encountered, no segmentation is performed if the available symbols are available.
  • the delay can be reduced, for example, for PDSCH transmission, ACK/NACK feedback can be obtained in a faster and more timely manner.
  • the scattered uplink symbols can be used to perform repeated transmission of the PUCCH at any time, which is more flexible and obtains higher resource utilization.
  • the number of repeated PUCCH transmissions in each slot is 3; the repeated transmission of PUCCH is continuous PUCCH transmission, that is, when symbols are available, the The transmission is uninterrupted; the time domain starting position is the symbol numbered 5, as shown in Figure 2d, after the time domain starting position occupied by the first PUCCH transmission is determined (symbol 5), the remaining 2 transmissions The occupied symbols can be determined.
  • the number of symbols occupied by the transmission of each PUCCH is the same. In FIG. 2d , the number of symbols occupied by each PUCCH transmission is 2.
  • the PUCCH transmission is skipped this time.
  • the symbol 7 in the slot 2 is a reserved symbol, so the repeated transmission of the PUCCH is performed after skipping the symbol 7.
  • the PUCCH transmission in the short PUCCH format if the symbol occupied by the PUCCH transmission is a downlink symbol, the PUCCH transmission of this time is skipped. For example, in 2d, symbols 0 to 3 in slot1 are downlink symbols, and no PUCCH transmission is performed on these symbols.
  • the number of repeated transmissions of PUCCH in each slot is 3; the repeated transmission of PUCCH is continuous PUCCH transmission, that is, when symbols are available, There is no interruption between transmissions; the time domain starting position is the symbol numbered 6, as shown in Figure 2e, after the time domain starting position occupied by the first PUCCH transmission is determined (symbol 6), the remaining 2 transmissions The occupied symbols can be determined.
  • the number of symbols occupied by the transmission of each PUCCH is the same. In FIG. 2e, the number of symbols occupied by each PUCCH is 2.
  • the configuration parameter of the repeated transmission of the PUCCH is determined according to the PUCCH format supported by the terminal for the repeated transmission of the physical uplink control channel PUCCH.
  • the configuration parameters for the repeated transmission of PUCCH can be determined according to the supported PUCCH format for repeated transmission of PUCCH.
  • the terminal can use configuration parameters suitable for the PUCCH format. Repeated transmission of the PUCCH is performed, in this way, the requirements of reliability, delay and/or coverage strength in different scenarios can be met.
  • this embodiment provides a method for transmitting PUCCH, which is applied to a terminal, and the method includes:
  • Step 31 In response to the PUCCH format supported by the terminal for the repeated transmission of the PUCCH being the first format, determine that the configuration parameter of the repeated transmission of the PUCCH is the first configuration parameter; wherein the first configuration parameter, Indicate the number of repeated transmissions and the time domain start position of each PUCCH transmission; the time domain start position of each PUCCH transmission within the time unit is the same;
  • the configuration parameter for the repeated transmission of the PUCCH is the second configuration parameter; wherein the second configuration parameter indicates the first PUCCH
  • the time domain starting position of the transmission; the time domain starting position of the first PUCCH transmission is used to determine the time domain starting position of the (N-1)th PUCCH transmission; wherein, N is a positive integer greater than 2;
  • the configuration parameter of the repeated transmission of the PUCCH is determined to be the first configuration parameter.
  • the first configuration parameter at least indicates the number of repetitions and the time domain start position of each time the PUCCH transmission is performed in the time slot or sub-slot.
  • the time domain start position may be the position of the first symbol of the occupied symbol in the time slot or subslot for the PUCCH transmission.
  • each time slot contains the same number of symbols and each sub-slot contains the same number of symbols
  • the time domain starting position of the PUCCH transmission in each other time slot or sub-slot can be determined.
  • the repeated transmission includes 5 PUCCH transmissions, and the position of the first symbol of the symbol occupied by the first PUCCH transmission in the time slot is A, then in the remaining 4 PUCCH transmissions , the starting position of the symbol occupied by each PUCCH transmission is the A position of the corresponding time slot.
  • the time domain start position of the symbol occupied by each PUCCH transmission of the PUCCH repeated transmission can be obtained through one indication.
  • the configuration parameter of the repeated transmission of the PUCCH is determined as the second configuration parameter.
  • the second configuration parameter at least indicates a time domain start position of the first PUCCH transmission in the time slot or sub-slot.
  • the time domain start position may be the position of the first symbol of the occupied symbol in the slot or subslot of the first PUCCH transmission.
  • the repeated transmission of the PUCCH is a continuous repeated transmission.
  • the second configuration parameter only needs to indicate the time domain start position of the first PUCCH transmission, and the time domain start position of any PUCCH transmission can be determined by the time domain start position of the first PUCCH transmission.
  • this embodiment provides a method for transmitting PUCCH, which is applied to a terminal, and the method includes:
  • Step 41 In response to the priority of the first format being higher than the priority of the second format, preferentially determine the configuration parameter of the repeated transmission of the PUCCH as the first configuration parameter;
  • the configuration parameter of the repeated transmission of the PUCCH is preferentially determined as the second configuration parameter.
  • the repeated transmission of the PUCCH in the first format is preferentially performed based on the first configuration parameter, and then the second format is performed based on the second configuration parameter. Repeated transmission of formatted PUCCH.
  • the repeated transmission of the PUCCH in the second format is preferentially performed based on the second configuration parameter, and then the first format is performed based on the first configuration parameter. Repeated transmission of formatted PUCCH.
  • the first format is a long PUCCH format
  • the second format is a short PUCCH format
  • the supported PUCCH format for repeated transmission of PUCCH is the first format and the second format may be repeated transmission of PUCCH in the time domain, supporting both the transmission of PUCCH in the first format and the second format transmission of the PUCCH.
  • the first format and the second format have different priorities.
  • this embodiment provides a method for transmitting PUCCH, which is applied to a terminal, and the method includes:
  • Step 51 repeatedly transmit the PUCCH of the first format in the time domain;
  • the PUCCH in the second format is continuously and repeatedly transmitted in the time domain.
  • the spaced repeated transmission in the time domain is suitable for the repeated transmission of the long PUCCH format PUCCH.
  • the spaced repeated transmission may be one transmission of the PUCCH corresponding to the first format in each time slot in the time domain.
  • the first PUCCH is transmitted in the first time slot and the second PUCCH is transmitted in the second time slot.
  • the continuous repeated transmission in the time domain is suitable for the repeated transmission of the short PUCCH format PUCCH.
  • the continuous repeated transmission may be the transmission of the next PUCCH immediately after the completion of the transmission of the previous PUCCH of the repeated transmission of the PUCCH. In this way, the transmissions of adjacent PUCCHs are uninterrupted, so that the delay of data transmission can be reduced.
  • the repeated transmission of the short PUCCH format PUCCH since the repeated transmission of the PUCCH is continuous repeated transmission, after determining the time domain start position of the first PUCCH transmission of the repeated transmission, it is possible to The continuous relationship between transmissions determines the starting position of a symbol occupied by any PUCCH transmission. Therefore, the second configuration parameter only needs to indicate the time domain start position of the first PUCCH transmission, and the time domain start position of any PUCCH transmission can be determined by the time domain start position of the first PUCCH transmission.
  • this embodiment provides a method for transmitting PUCCH, which is applied to a terminal, and the method includes:
  • Step 61 perform repeated transmission of the PUCCH in continuous repeated time units in the time domain; wherein, each repeated time unit corresponds to one transmission of the PUCCH.
  • the repeating time unit may be a time slot.
  • the repeating time unit may also be a sub-slot.
  • the repeating time unit is an available time unit.
  • the configuration parameter indicates the repeating time unit.
  • one transmission of the PUCCH corresponding to each repeated time unit may be one transmission of the PUCCH in each time slot.
  • one PUCCH transmission corresponding to each repetition time unit may be one PUCCH transmission in each sub-slot.
  • this embodiment provides a method for transmitting PUCCH, wherein, applied to a terminal, the method includes:
  • Step 71 In response to the time domain unit occupied by a single transmission of the PUCCH being the time domain unit of the downlink transmission, the single transmission of the PUCCH is not performed;
  • the single transmission of the PUCCH is not performed.
  • the single transmission of the PUCCH in response to the symbol occupied by the single transmission of the PUCCH being the symbol of the downlink transmission, the single transmission of the PUCCH is not performed.
  • the single transmission of the PUCCH in response to the symbols occupied by the single transmission of the PUCCH being the reserved symbols not used for the transmission of the PUCCH, the single transmission of the PUCCH is not performed.
  • the time domain unit of downlink transmission may be the time domain unit of a physical downlink control channel (PDCCH, Physical Downlink Control Channel) or the time domain unit of a physical downlink shared channel (PDSCH, Physical Downlink Share Channel).
  • PDCCH Physical Downlink Control Channel
  • PDSCH Physical Downlink Share Channel
  • the reserved time domain units not used for PUCCH transmission may be determined according to a preset rule.
  • the preset rule may be a network protocol.
  • a single transmission of the PUCCH is not performed, which may be data transmission without using the PUCCH.
  • the transmission of this PUCCH may be skipped.
  • this embodiment provides a method for transmitting PUCCH, which is applied to a terminal, and the method includes:
  • Step 81 Receive signaling carrying configuration parameters.
  • the signaling includes one of the following: radio resource control RRC signaling, medium access control MAC control element CE signaling, and downlink control information DCI signaling.
  • the terminal in response to establishing a connection between the terminal and the base station, the terminal receives the signaling that carries the configuration parameter and is sent by the base station.
  • an embodiment of the present disclosure provides an apparatus for transmitting PUCCH, wherein, applied to a terminal, the apparatus includes a determining module 91 , wherein:
  • the determining module 91 is configured to: determine the configuration parameter of the repeated transmission of the PUCCH according to the PUCCH format supported by the terminal for the repeated transmission of the physical uplink control channel PUCCH.
  • the determining module 91 is further configured to:
  • each PUCCH transmission In response to the PUCCH format supported by the terminal for the repeated transmission of the PUCCH being the first format, determine that the configuration parameter of the repeated transmission of the PUCCH is the first configuration parameter; wherein, the first configuration parameter indicates at least the number of repeated transmissions and each PUCCH transmission.
  • the time domain starting position of ; each PUCCH transmission has the same time domain starting position within the time unit;
  • the configuration parameter of the repeated transmission of the PUCCH is the second configuration parameter; wherein the second configuration parameter indicates the time domain start of the first PUCCH transmission position; the time domain starting position of the first PUCCH transmission is used to determine the time domain starting position of the (N-1)th PUCCH transmission; wherein, N is a positive integer greater than 2;
  • the configuration parameters of the repeated transmission of the PUCCH are determined according to the priorities of the first format and the second format.
  • the determining module 91 is further configured to:
  • the configuration parameter of the repeated transmission of the PUCCH is preferentially determined as the second configuration parameter.
  • the determining module 91 is further configured to: configure parameters including at least one of the following:
  • a first indication parameter indicating the number of time domain resources occupied by a single PUCCH transmission
  • the second indication parameter indicating the time domain starting position occupied by the transmission of a single PUCCH
  • the third indication parameter indicating the number of times of repeated transmission of the PUCCH
  • the fourth indication parameter indicates the repetition time unit of the repeated transmission of the PUCCH in the time domain; wherein, the repetition time unit includes: a time slot or a sub-slot
  • the fifth indication parameter indicates whether the repeated transmission of the PUCCH in the time domain supports or does not support cross-slot transmission.
  • the apparatus further includes a transmission module 92, wherein,
  • the transmission module 92 is configured to: according to the configuration parameter, repeatedly transmit the PUCCH of the first format at intervals in the time domain;
  • the PUCCH in the second format is continuously and repeatedly transmitted in the time domain.
  • the transmission module 92 is further configured to:
  • the repeated transmission of the PUCCH is performed on continuous repeated time units in the time domain
  • each repetition time unit corresponds to one PUCCH transmission.
  • the transmission module 92 is further configured to:
  • the single transmission of the PUCCH is not performed;
  • the single transmission of the PUCCH is not performed.
  • the apparatus further includes a receiving module 93, wherein the receiving module 93 is configured to: receive signaling carrying configuration parameters.
  • the receiving module 93 is further configured to: signaling, including one of the following: radio resource control RRC signaling, medium access control MAC control element CE signaling, and downlink control information DCI signaling.
  • Embodiments of the present disclosure provide a communication device, the communication device includes:
  • memory for storing processor-executable instructions
  • the processor is configured to, when executing the executable instructions, implement the method applied to any embodiment of the present disclosure.
  • the processor may include various types of storage media, which are non-transitory computer storage media that can continue to memorize and store information on the communication device after the power is turned off.
  • the processor can be connected to the memory through a bus or the like, and is used to read the executable program stored on the memory.
  • An embodiment of the present disclosure further provides a computer storage medium, wherein the computer storage medium stores a computer-executable program, and when the executable program is executed by a processor, the method of any embodiment of the present disclosure is implemented.
  • an embodiment of the present disclosure provides a structure of a terminal.
  • this embodiment provides a terminal 800, which may be a mobile phone, a computer, a digital broadcasting terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, etc. .
  • the terminal 800 may include one or more of the following components: a processing component 802, a memory 804, a power supply component 806, a multimedia component 808, an audio component 810, an input/output (I/O) interface 812, a sensor component 814, and communication component 816.
  • the processing component 802 generally controls the overall operations of the terminal 800, such as operations associated with display, phone calls, data communications, camera operations, and recording operations.
  • the processing component 802 can include one or more processors 820 to execute instructions to perform all or some of the steps of the methods described above.
  • processing component 802 may include one or more modules that facilitate interaction between processing component 802 and other components.
  • processing component 802 may include a multimedia module to facilitate interaction between multimedia component 808 and processing component 802.
  • Memory 804 is configured to store various types of data to support operation at device 800 . Examples of such data include instructions for any application or method operating on the terminal 800, contact data, phonebook data, messages, pictures, videos, and the like. Memory 804 may be implemented by any type of volatile or nonvolatile storage device or combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Magnetic Disk or Optical Disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read only memory
  • EPROM erasable Programmable Read Only Memory
  • PROM Programmable Read Only Memory
  • ROM Read Only Memory
  • Magnetic Memory Flash Memory
  • Magnetic Disk Magnetic Disk or Optical Disk.
  • Power supply component 806 provides power to various components of terminal 800 .
  • Power supply components 806 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power to terminal 800 .
  • Multimedia component 808 includes screens that provide an output interface between terminal 800 and the user.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from a user.
  • the touch panel includes one or more touch sensors to sense touch, swipe, and gestures on the touch panel. A touch sensor can sense not only the boundaries of a touch or swipe action, but also the duration and pressure associated with the touch or swipe action.
  • the multimedia component 808 includes a front-facing camera and/or a rear-facing camera. When the device 800 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera may receive external multimedia data. Each of the front and rear cameras can be a fixed optical lens system or have focal length and optical zoom capability.
  • Audio component 810 is configured to output and/or input audio signals.
  • the audio component 810 includes a microphone (MIC) that is configured to receive external audio signals when the terminal 800 is in an operating mode, such as a calling mode, a recording mode, and a voice recognition mode.
  • the received audio signal may be further stored in memory 804 or transmitted via communication component 816 .
  • audio component 810 also includes a speaker for outputting audio signals.
  • the I/O interface 812 provides an interface between the processing component 802 and a peripheral interface module, which may be a keyboard, a click wheel, a button, or the like. These buttons may include, but are not limited to: home button, volume buttons, start button, and lock button.
  • Sensor assembly 814 includes one or more sensors for providing various aspects of status assessment for terminal 800 .
  • the sensor component 814 can detect the open/closed state of the device 800, the relative positioning of components, such as the display and keypad of the terminal 800, the sensor component 814 can also detect the position change of the terminal 800 or a component of the terminal 800, the user The presence or absence of contact with the terminal 800, the orientation or acceleration/deceleration of the terminal 800 and the temperature change of the terminal 800.
  • Sensor assembly 814 may include a proximity sensor configured to detect the presence of nearby objects in the absence of any physical contact.
  • Sensor assembly 814 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor assembly 814 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 816 is configured to facilitate wired or wireless communications between terminal 800 and other devices.
  • the terminal 800 can access a wireless network based on a communication standard, such as Wi-Fi, 2G or 3G, or a combination thereof.
  • the communication component 816 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel.
  • the communication component 816 also includes a near field communication (NFC) module to facilitate short-range communication.
  • NFC near field communication
  • the NFC module may be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • terminal 800 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A gate array (FPGA), controller, microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable A gate array
  • controller microcontroller, microprocessor or other electronic component implementation is used to perform the above method.
  • non-transitory computer-readable storage medium including instructions, such as a memory 804 including instructions, which are executable by the processor 820 of the terminal 800 to perform the above method.
  • the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.
  • an embodiment of the present disclosure shows a structure of a base station.
  • the base station 900 may be provided as a network-side device.
  • base station 900 includes processing component 922, which further includes one or more processors, and a memory resource represented by memory 932 for storing instructions executable by processing component 922, such as application programs.
  • An application program stored in memory 932 may include one or more modules, each corresponding to a set of instructions.
  • the processing component 922 is configured to execute instructions to perform any of the aforementioned methods applied to the base station.
  • the base station 900 may also include a power supply assembly 926 configured to perform power management of the base station 900, a wired or wireless network interface 950 configured to connect the base station 900 to a network, and an input output (I/O) interface 958.
  • Base station 900 may operate based on an operating system stored in memory 932, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM or the like.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Les modes de réalisation de la présente divulgation concernent un procédé de transmission de PUCCH, appliqué à un terminal, ledit procédé consistant : selon un format de canal de commande de liaison montante physique (PUCCH) pris en charge par un terminal et utilisé pour une transmission répétée de PUCCH, à déterminer des paramètres de configuration de la transmission répétée du PUCCH.
PCT/CN2020/137310 2020-12-17 2020-12-17 Procédé et appareil de transmission de pucch, dispositif de communication et support d'enregistrement WO2022126527A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2020/137310 WO2022126527A1 (fr) 2020-12-17 2020-12-17 Procédé et appareil de transmission de pucch, dispositif de communication et support d'enregistrement
CN202080003998.4A CN114946241A (zh) 2020-12-17 2020-12-17 传输pucch的方法、装置、通信设备及存储介质

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PCT/CN2020/137310 WO2022126527A1 (fr) 2020-12-17 2020-12-17 Procédé et appareil de transmission de pucch, dispositif de communication et support d'enregistrement

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Citations (3)

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CN105991243A (zh) * 2015-01-29 2016-10-05 中兴通讯股份有限公司 一种数据重复传输方法及装置
CN110719628A (zh) * 2018-07-11 2020-01-21 维沃移动通信有限公司 传输方法、终端设备及网络设备
US10856270B2 (en) * 2018-01-22 2020-12-01 Lg Electronics Inc. Method and apparatus for transmitting a plurality of uplink control information on a physical uplink control channel in a wireless communication system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105991243A (zh) * 2015-01-29 2016-10-05 中兴通讯股份有限公司 一种数据重复传输方法及装置
US10856270B2 (en) * 2018-01-22 2020-12-01 Lg Electronics Inc. Method and apparatus for transmitting a plurality of uplink control information on a physical uplink control channel in a wireless communication system
CN110719628A (zh) * 2018-07-11 2020-01-21 维沃移动通信有限公司 传输方法、终端设备及网络设备

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