WO2019029547A1 - Procédé de transmission d'informations de commande de liaison montante, dispositif terminal et dispositif de réseau - Google Patents

Procédé de transmission d'informations de commande de liaison montante, dispositif terminal et dispositif de réseau Download PDF

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Publication number
WO2019029547A1
WO2019029547A1 PCT/CN2018/099285 CN2018099285W WO2019029547A1 WO 2019029547 A1 WO2019029547 A1 WO 2019029547A1 CN 2018099285 W CN2018099285 W CN 2018099285W WO 2019029547 A1 WO2019029547 A1 WO 2019029547A1
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WO
WIPO (PCT)
Prior art keywords
pusch
terminal device
target channel
uci
uplink data
Prior art date
Application number
PCT/CN2018/099285
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English (en)
Chinese (zh)
Inventor
吴艺群
徐修强
陈雁
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华为技术有限公司
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Publication of WO2019029547A1 publication Critical patent/WO2019029547A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal

Definitions

  • the present application relates to the field of communications, and more particularly to a method, terminal device and network device for transmitting uplink control information.
  • the terminal device may send uplink control information (UCI) to the network device.
  • UCI uplink control information
  • a terminal device sends a UCI to a network device by using a grant based (GB) time-frequency resource, for example, when the terminal device determines that a grant based-physical uplink shared channel (GB-)
  • GB- grant based-physical uplink shared channel
  • the present application provides a method and apparatus for transmitting uplink control information to improve flexibility in transmitting uplink control information.
  • a method for transmitting uplink control information comprising: determining, by a terminal device, a target channel from a plurality of channels, the plurality of channels including an unlicensed physical uplink shared channel GF-PUSCH and authorized physical uplink sharing Channel GB-PUSCH; the terminal device sends uplink control information UCI to the network device through the target channel.
  • the terminal device can flexibly select a target channel from multiple channels to transmit UCI in the case where the GF-PUSCH and the GF-PUSCH are configured, and can only transmit by using the GB-PUSCH and the PUCCH in the prior art solution. Compared with the UCI method, it is more flexible to select the resources for transmitting UCI.
  • the foregoing multiple channels may further include a physical uplink control channel (PUCCH), that is, the terminal device may select a data channel as a target channel.
  • PUCCH physical uplink control channel
  • the control channel can also be selected as the target channel.
  • the method further includes: receiving, by the terminal device, first indication information that is sent by the network device, where the first indication information is used to indicate the terminal
  • the device preferentially selects the GF-PUSCH or the GB-PUSCH as the target channel from the multiple channels; the terminal device determines a target channel from multiple channels, including: the terminal device according to the An indication information is used to select the GF-PUSCH or the GB-PUSCH from the plurality of channels as the target channel.
  • the foregoing first indication information may be carried in RRC signaling or downlink control information (DCI) sent by the network device to the terminal device. Therefore, the first field may be added by adding a new field in the RRC signaling and the DCI. An indication message.
  • DCI downlink control information
  • the terminal device After receiving the first indication information sent by the network device, the terminal device can flexibly select the target channel according to the first indication information.
  • the first indication information is specifically used to indicate that the terminal device preferentially selects the GF-PUSCH as the target channel from the multiple channels, Determining, by the terminal device, the GF-PUSCH or the GB-PUSCH as the target channel from the multiple channels according to the first indication information, including: determining, by the terminal device, whether the GF-PUSCH is in the GF-PUSCH Sending uplink data; if the GF-PUSCH sends uplink data, the terminal device selects the GF-PUSCH as the target channel.
  • the terminal device selects the GF-PUSCH or the GB-PUSCH from the multiple channels as the target according to the first indication information.
  • the channel includes: if the GF-PUSCH does not send uplink data, the terminal device determines whether to send uplink data in the GB-PUSCH; if the uplink data is sent in the GB-PUSCH, the terminal device selects the GB - PUSCH as the target channel.
  • the first indication information is specifically used to indicate that the terminal device preferentially selects the GB-PUSCH as the target channel from the multiple channels, Determining, by the terminal device, the GF-PUSCH or the GB-PUSCH as the target channel from the multiple channels according to the first indication information, including: determining, by the terminal device, whether the GB-PUSCH is in the GB-PUSCH And transmitting, by the terminal device, the GB-PUSCH as the target channel.
  • the terminal device selects the GF-PUSCH or the GB-PUSCH from the multiple channels as the target according to the first indication information.
  • the channel includes: if the uplink data is not sent by the GB-PUSCH, the terminal device determines whether to send uplink data in the GF-PUSCH; if the GF-PUSCH sends uplink data, the terminal device selects the GF - PUSCH as the target channel.
  • the first indication information is used to indicate that the terminal device preferentially selects the GF-PUSCH from the multiple channels as the target channel, where Determining, by the terminal device, the GF-PUSCH or the GB-PUSCH as the target channel from the multiple channels according to the first indication information, including: the terminal device selecting the GF-PUSCH as the Target channel.
  • the first indication information is used to indicate that the terminal device preferentially selects the GB-PUSCH from the multiple channels as the target channel, where Determining, by the terminal device, the GF-PUSCH or the GB-PUSCH as the target channel from the multiple channels according to the first indication information, including: the terminal device selecting the GB-PUSCH as the Target channel.
  • the determining, by the terminal device, the target channel from the plurality of channels includes: the terminal device selecting the GF-PUSCH or the GB according to the type of the UCI - PUSCH as the target channel.
  • the terminal device can select a data channel that matches the type of the UCI according to the type of the UCI, and can improve the effect of transmitting the UCI.
  • the determining, by the terminal device, the target channel from the plurality of channels includes: when the type of the UCI belongs to the first type, the terminal device selects The GF-PUSCH is used as the target channel; in a case where the type of the UCI belongs to the second type, the terminal device selects the GB-PUSCH as the target channel; wherein the first type and the The second type is different.
  • the determining, by the terminal device, the target channel from the plurality of channels includes: determining, in the case that the type of the UCI belongs to the first type, the terminal device determines Whether to send uplink data in the GF-PUSCH; if the GF-PUSCH sends uplink data, the terminal device selects the GF-PUSCH as the target channel.
  • the terminal device determines the target channel from the plurality of channels, and further includes: in a case where the type of the UCI belongs to the second type, the terminal device Determining whether to send uplink data in the GB-PUSCH; if the uplink data is sent in the GB-PUSCH, the terminal device selects the GB-PUSCH as the target channel; wherein the first type and the first The two types are different.
  • the first type of UCI includes a UCI that needs to be periodically transmitted, and the second type of UCI includes a UCI that does not need to be periodically transmitted.
  • the first type of UCI includes periodic channel state information (CSI), and the second type of UCI includes aperiodic At least one of CSI, acknowledge (acknowledge, ACK), and inform non-acknowledge (NACK) information.
  • CSI periodic channel state information
  • NACK non-acknowledge
  • the terminal device is configured with multiple GF-PUSCHs
  • the method further includes: the terminal device receiving second indication information sent by the network device, The second indication information is used to indicate that the target GF-PUSCH in the plurality of GF-PUSCHs that can be used by the terminal device to send the UCI to the network device.
  • the foregoing second indication information may be carried in the RRC signaling or the DCI sent by the network device to the terminal device. Therefore, the second indication information may be represented by adding a new field in the RRC signaling and the DCI.
  • a method for transmitting uplink control information comprising: determining, by a network device, a target channel from a plurality of channels, the plurality of channels including an unlicensed physical uplink shared channel GF-PUSCH and authorized physical uplink sharing Channel GB-PUSCH; the network device receives uplink control information UCI transmitted by the terminal device from the target channel.
  • the network device can flexibly select a target channel to transmit UCI from multiple channels when GF-PUSCH and GF-PUSCH are configured, and can only transmit by using GB-PUSCH and PUCCH in the prior art solution. Compared with the UCI method, it is more flexible to select the resources for transmitting UCI.
  • the above multiple channels may also be PUCCH, that is, the terminal device may select the control channel as the target channel in addition to the data channel as the target channel.
  • the method before the network device receives the UCI sent by the terminal device from the target channel, the method further includes: sending, by the network device, the terminal device The first indication information is used to indicate that the terminal device preferentially selects the GF-PUSCH or the GB-PUSCH as the target channel from the multiple channels.
  • the foregoing first indication information may be carried in the RRC signaling or the DCI sent by the network device to the terminal device. Therefore, the first indication information may be represented by adding a new field in the RRC signaling and the DCI.
  • the first indication information is specifically used to indicate that the terminal device preferentially selects the GF-PUSCH from the multiple channels as the target channel, Determining the target channel from the plurality of channels, the network device determining, by the network device, whether uplink data is transmitted on the GF-PUSCH; if uplink data is transmitted on the GF-PUSCH, the network device The GF-PUSCH is selected as the target channel.
  • the first indication information is specifically used to indicate that the terminal device preferentially selects the GF-PUSCH from the multiple channels as the target channel, Determining, by the network device, the target channel from the plurality of channels, including: if no uplink data is transmitted on the GF-PUSCH, the network device determines whether uplink data is transmitted on the GB-PUSCH; if there is uplink data Transmitted on the GB-PUSCH, the network device selects the GB-PUSCH as the target channel.
  • the first indication information is specifically used to indicate that the terminal device preferentially selects the GB-PUSCH as the target channel from the multiple channels, Determining the target channel from the plurality of channels, the network device determining, by the network device, whether uplink data is transmitted on the GB-PUSCH; if uplink data is transmitted on the GB-PUSCH, the network device The GB-PUSCH is selected as the target channel.
  • the determining, by the network device, the target channel from the plurality of channels includes: if no uplink data is transmitted on the GB-PUSCH, the network device determines whether The uplink data is transmitted on the GF-PUSCH; if uplink data is transmitted on the GF-PUSCH, the network device selects the GF-PUSCH as the target channel.
  • the first indication information is used to indicate that the terminal device preferentially selects the GF-PUSCH from the multiple channels as the target channel, where Determining, by the network device, the target channel from the plurality of channels, the network device selecting the GF-PUSCH as the target channel.
  • the first indication information is used to indicate that the terminal device preferentially selects the GB-PUSCH from the multiple channels as the target channel, where Determining, by the network device, the target channel from the plurality of channels, the network device selecting the GB-PUSCH as the target channel.
  • the GB-PUSCH is referred to as the target channel.
  • the network device can select a data channel that matches the type of UCI according to the type of UCI, and can improve the effect of transmitting UCI.
  • the determining, by the network device, the target channel from the plurality of channels includes: when the type of the UCI belongs to the first type, the network device selects The GF-PUSCH is used as the target channel; in a case where the type of the UCI belongs to the second type, the network device selects the GB-PUSCH as the target channel; wherein the first type and the The second type is different.
  • the determining, by the network device, the target channel from the plurality of channels includes: determining, in the case that the type of the UCI belongs to the first type, the network device determines Whether uplink data is transmitted on the GF-PUSCH; if uplink data is transmitted on the GF-PUSCH, the network device selects the GF-PUSCH as the target channel.
  • the determining, by the network device, the target channel from the plurality of channels further includes: determining, in the case that the type of the UCI belongs to the second type, the network device determines Whether there is uplink data transmitted on the GB-PUSCH; if uplink data is transmitted on the GB-PUSCH, the network device selects the GB-PUSCH as the target channel; wherein, the first type and The second type is different
  • the first type of UCI includes a UCI that needs to be periodically transmitted
  • the second type of UCI includes a UCI that does not need to be periodically transmitted.
  • the first type of UCI includes periodic CSI
  • the second type of UCI includes at least one of aperiodic CSI, ACK, and NACK information.
  • the terminal device is configured with multiple GF-PUSCHs
  • the method further includes: the network device sending, by using the second device, the second indication information, where The second indication information is used to indicate that the target GF-PUSCH in the plurality of GF-PUSCHs that can be used by the terminal device to send the UCI to the network device.
  • the foregoing second indication information may be carried in the RRC signaling or the DCI sent by the network device to the terminal device. Therefore, the second indication information may be represented by adding a new field in the RRC signaling and the DCI.
  • a terminal device comprising means for performing the method of the first aspect or any of the possible implementations of the first aspect.
  • a network device comprising means for performing the method of the second aspect or any of the possible implementations of the second aspect.
  • a fifth aspect provides a terminal device including a memory, a transceiver for storing a program, and a processor for executing a program, when the program is executed, the processor and the The transceiver performs the method of the first aspect or any of the possible implementations of the first aspect.
  • a network device comprising: a memory, a transceiver, and a processor, the memory for storing a program, the processor for executing a program, when the program is executed, the processor and the The transceiver performs the method of the second aspect or any of the possible implementations of the second aspect.
  • a terminal device includes a storage medium and a central processing unit, and the storage medium may be a non-volatile storage medium, where the computer-executable program is stored in the storage medium, and the central processing
  • the apparatus is coupled to the non-volatile storage medium and executes the computer executable program to implement the method of the first aspect or any of the possible implementations of the first aspect.
  • a network device comprising a storage medium and a central processing unit, the storage medium being a non-volatile storage medium, wherein the storage medium stores a computer executable program, the central processing The apparatus is coupled to the non-volatile storage medium and executes the computer-executable program to implement the method of any of the second aspect or the second aspect.
  • a chip comprising a processor and a communication interface, the communication interface for communicating with an external device, the processor for performing the first aspect or any possible implementation of the first aspect The method in the way.
  • the chip may further include a memory, where the memory stores an instruction, the processor is configured to execute an instruction stored on the memory, when the instruction is executed, The processor is for performing the method of the first aspect or any of the possible implementations of the first aspect.
  • the chip is integrated on the terminal device.
  • a chip comprising a processor and a communication interface, the communication interface for communicating with an external device, the processor for performing any of the possible implementations of the second aspect or the second aspect The method in the way.
  • the chip may further include a memory, where the memory stores an instruction, the processor is configured to execute an instruction stored on the memory, when the instruction is executed, The processor is for performing the method of any of the possible implementations of the second aspect or the second aspect.
  • the chip is integrated on a network device.
  • a computer readable storage medium storing program code for device execution, the program code comprising any of the possible implementations for performing the first aspect or the first aspect The instructions of the method in the way.
  • a twelfth aspect a computer readable storage medium storing program code for device execution, the program code comprising any of the possible implementations for performing the second aspect or the second aspect The instructions of the method in the way.
  • FIG. 1 is a schematic diagram of a possible application scenario of an embodiment of the present application.
  • FIG. 2 is a schematic flowchart of a method for transmitting uplink control information according to an embodiment of the present application
  • FIG. 3 is a schematic diagram of a method for transmitting uplink control information according to an embodiment of the present application
  • FIG. 4 is a schematic diagram of a method for transmitting uplink control information according to an embodiment of the present application.
  • FIG. 5 is a schematic diagram of a method for transmitting uplink control information according to an embodiment of the present application.
  • FIG. 6 is a schematic diagram of a method for transmitting uplink control information according to an embodiment of the present application.
  • FIG. 7 is a schematic diagram of a method for transmitting uplink control information according to an embodiment of the present application.
  • FIG. 8 is a schematic diagram of a method for transmitting uplink control information according to an embodiment of the present application.
  • FIG. 9 is a schematic diagram of GF-PUSCH data
  • FIG. 10 is a schematic diagram of GF-PUSCH data
  • FIG. 11 is a schematic flowchart of a method for transmitting uplink control information according to an embodiment of the present application.
  • FIG. 12 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • FIG. 13 is a schematic block diagram of a network device according to an embodiment of the present application.
  • FIG. 14 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • FIG. 15 is a schematic block diagram of a network device according to an embodiment of the present application.
  • the technical solution of the embodiment of the present application can be applied to various communication systems, for example, a future fifth generation (5th generation, 5G) system, a new wireless (NR) system, or a communication system having the same architecture as the 5G system. .
  • 5G fifth generation
  • NR new wireless
  • the terminal device in the embodiment of the present application may refer to a user equipment, an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, a wireless communication device, a user agent, or User device.
  • the terminal device may also be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA), with wireless communication.
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDA personal digital assistant
  • the network device in the embodiment of the present application may be a device for communicating with a terminal device, and the network device may be a global system for mobile communication (GSM) system or code division multiple access (CDMA).
  • GSM global system for mobile communication
  • CDMA code division multiple access
  • a base transceiver station (BTS) may also be a base station (nodeB, NB) in a wideband code division multiple access (WCDMA) system, or an evolved base station (evolutional) in an LTE system.
  • the node B, eNB or eNodeB) may also be a wireless controller in a cloud radio access network (CRAN) scenario, or the network device may be a relay station, an access point, an in-vehicle device, a wearable device, and a future.
  • the network device in the 5G network or the network device in the PLMN network in the future is not limited in this embodiment.
  • FIG. 1 is a schematic diagram of a possible application scenario of an embodiment of the present application.
  • the communication system shown in FIG. 1 includes a network device and a terminal device, and the terminal device can transmit various UCIs to the network device, so that the base station can perform radio resource management and scheduling decisions according to the UCI.
  • the terminal device can transmit various UCIs to the network device, so that the base station can perform radio resource management and scheduling decisions according to the UCI.
  • the embodiment of the present application can also be applied to a communication system composed of multiple terminal devices and network devices, where each The terminal device can transmit the respective UCI to the network device as needed.
  • the terminal device is only configured with the authorized time-frequency resource, and the terminal device needs to send the UCI to the network device by using the authorized time-frequency resource, that is, the terminal device can only transmit to the network device by using a relatively single time-frequency resource.
  • UCI User Service
  • the embodiment of the present application provides a new method for transmitting uplink control information.
  • the terminal device is configured with an authorized time-frequency resource and an unlicensed time-frequency resource. Therefore, the terminal device can authorize time-frequency resources and The time-frequency resources used by the UCI are flexibly selected in the unlicensed time-frequency resources, thereby improving the flexibility of the terminal device to transmit UCI.
  • FIG. 2 is a schematic flowchart of a method for transmitting uplink control information according to an embodiment of the present application.
  • the method of Figure 2 can be performed by a terminal device.
  • the method 200 of Figure 2 includes:
  • the terminal device determines a target channel from multiple channels, where the multiple channels include a grant free physical uplink shared channel (GF-PUSCH) and a GB-PUSCH.
  • GF-PUSCH grant free physical uplink shared channel
  • GB-PUSCH GB-PUSCH
  • the terminal device may arbitrarily select one channel from the GF-PUSCH and the GB-PUSCH as the target channel.
  • the terminal device may also select the target channel from the plurality of channels according to the indication of the network device.
  • the terminal device receives the first indication information sent by the network device, and the determining, by the terminal device, the target channel from the multiple channels, the terminal device: selecting, by using the first indication information, the GF-PUSCH or the GB-PUSCH as the target channel from the multiple channels.
  • the first indication information is used to indicate that the terminal device preferentially selects the GF-PUSCH or the GB-PUSCH as the target channel from the multiple channels.
  • the foregoing multiple channels may further include a physical uplink control channel (PUCCH), that is, the terminal device may select a data channel as a target channel.
  • PUCCH physical uplink control channel
  • the control channel can also be selected as the target channel.
  • the terminal device sends the UCI to the network device by using the target channel.
  • the terminal device can flexibly select a target channel from multiple channels to transmit UCI in the case where the GF-PUSCH and the GF-PUSCH are configured, and can only transmit by using the GB-PUSCH and the PUCCH in the prior art solution. Compared with the UCI method, it is more flexible to select the resources for transmitting UCI.
  • the foregoing first indication information is to instruct the terminal device to select the GF-PUSCH or the GB-PUSCH from the plurality of channels as the target channel (that is, the first indication information indicates that the terminal device is from the GF-PUSCH in the multiple channels.
  • the target channel is selected in the GB-PUSCH, and further indicates whether the terminal device preferentially selects the GF-PUSCH or preferentially selects the GB-PUSCH as the target channel (equivalent to indicating the priority of the GB-PUSCH and the GF-PUSCH).
  • the foregoing first indication information may be carried in RRC signaling or DCI sent by the network device to the terminal device. Therefore, a new one may be added in the RRC signaling and the downlink control information (DCI).
  • DCI downlink control information
  • a field indicates the first indication information.
  • the foregoing first indication information may indicate that the terminal device preferentially selects the GF-PUSCH as the target channel from multiple channels (equivalent to the priority of the GF-PUSCH is higher than the GB-PUSCH), and may also indicate that the terminal device takes priority from multiple channels.
  • the GB-PUSCH is selected as the target channel (corresponding to the priority of GB-PUSCH is higher than GF-PUSCH).
  • Example 1 GF-PUSCH has higher priority than GB-PUSCH
  • the manner in which the terminal device determines the target channel from the multiple channels may be divided into two according to the relationship between the UCI transmitted by the terminal device and the uplink data transmitted by the terminal device.
  • Method 1 When UCI is transmitted on the data channel, it must be transmitted together with the uplink data.
  • the terminal device selects the target channel according to the first indication information and whether the terminal device sends the uplink data.
  • the terminal device selects the GF-PUSCH or the GB-PUSCH as the target channel from the multiple channels according to the first indication information, including: the terminal device determines whether to send uplink data in the GF-PUSCH; if the uplink data is sent in the GF-PUSCH, The terminal device selects the GF-PUSCH as the target channel; if the GF-PUSCH does not send the uplink data, the terminal device determines whether to send the uplink data on the GB-PUSCH; if the uplink data is sent in the GB-PUSCH, the terminal device selects the GB-PUSCH as the target channel. .
  • the terminal device if the terminal device does not send uplink data on the GB-PUSCH nor uplink data on the GF-PUSCH, the terminal device transmits the UCI on the uplink control channel PUCCH.
  • the specific process of the terminal device transmitting the UCI to the network device is as follows:
  • the terminal device needs to send UCI to the network device in the current time slot;
  • the terminal device determines whether uplink data needs to be sent in the current time slot.
  • the terminal device determines whether GF-PUSCH data exists.
  • the terminal device sends the UCI on the GF-PUSCH.
  • the terminal device sends the UCI on the GB-PUSCH.
  • the terminal device sends the UCI on the PUCCH.
  • the terminal device determines whether the GF-PUSCH data exists. In the case that the current time slot needs to send the uplink data, the terminal device determines whether the uplink data is sent on the GF-PUSCH, where the GF-PUSCH data is used. It refers to the uplink data that needs to be sent on the GF-PUSCH.
  • the specific format of the RRC signaling is as follows:
  • the PUCCH-ConfigDedicated is a terminal device-specific PUCCH configuration message, which includes multiple fields, and the meaning of each field is as follows:
  • the value of the simultaneous PUCCH-PUSCH field is false, indicating that the terminal device cannot simultaneously transmit the PUCCH and the PUSCH, and therefore, the terminal device
  • the UCI can only be transmitted on the PUSCH;
  • the UCIonPUSCH is a field related to the data channel, and the value of the sub-field PriorityOnPUSCHwithGrant is true, indicating that the terminal device preferentially selects the GB-PUSCH when selecting the target channel.
  • a field may also be set to indicate that the UCI must be transmitted together with the uplink data when transmitting on the data channel.
  • the terminal device may send all the UCIs to be transmitted to the network device on the data channel (GF-PUSCH or GB-PUSCH), or may only send all the UCIs to be transmitted to the network device. Part of the UCI, the remaining part of the UCI can be transmitted on the PUCCH.
  • the specific process of the terminal device transmitting the UCI to the network device is as follows:
  • the terminal device needs to send the UCI to the network device in the current time slot.
  • the terminal device determines whether uplink data needs to be sent in the current time slot.
  • the terminal device determines whether GF-PUSCH data exists.
  • the terminal device sends all UCI or partial UCI on the GF-PUSCH.
  • the terminal device sends all UCI or part of UCI on the GB-PUSCH;
  • the terminal device sends all UCIs on the PUCCH.
  • all UCI refers to all UCIs that the terminal device is currently transmitting to the network device.
  • the specific format of the RRC signaling is as follows:
  • the PUCCH-ConfigDedicated is a terminal device-specific PUCCH configuration message, which includes multiple fields, and the meaning of each field is as follows:
  • the value of the simultaneous PUCCH-PUSCH field is true, indicating that the terminal device can simultaneously transmit the PUCCH and the PUSCH, and therefore, the terminal device A part of the UCI may be transmitted on the PUSCH, and another part of the UCI may be transmitted on the PUCCH;
  • the UCIonPUSCH is a field related to the data channel, and the value of the subfield PriorityOnPUSCHwithGrant is false, indicating that the terminal device does not preferentially select GB when selecting the target channel.
  • PUSCH that is, GF-PUSCH is preferred.
  • a field may also be set to indicate that the UCI must be transmitted together with the uplink data when transmitting on the data channel.
  • Method 2 UCI can be transmitted separately on the data channel
  • the terminal device does not need to determine whether there is uplink data on the GF-PUSCH, but directly uses the GF-PUSCH as the target channel, and transmits the UCI through the GF-PUSCH.
  • the terminal device selects the GF-PUSCH or the GB-PUSCH as the target channel from the multiple channels according to the first indication information, and specifically includes: the terminal device selects the GF-PUSCH as the target channel.
  • the UCI may be separately transmitted on the GF-PUSCH when the UCI is transmitted on the GF-PUSCH, or the UCI may be simultaneously transmitted on the GF-PUSCH. And upstream data.
  • Example 2 GB-PUSCH has higher priority than GF-PUSCH
  • the terminal device can determine the target channel from the multiple channels according to the relationship between the UCI transmitted by the terminal device and the uplink data transmitted by the terminal device.
  • the way is divided into two.
  • Mode 3 When UCI is transmitted on the data channel, it must be transmitted together with the uplink data.
  • the terminal device selects the target channel according to the first indication information and whether the terminal device sends the uplink data.
  • the terminal device selects, according to the first indication information, a GF-PUSCH or a GB-PUSCH as the target channel, where the terminal device determines whether the uplink data is sent in the GB-PUSCH, and sends the uplink data in the GB-PUSCH.
  • the terminal device selects the GB-PUSCH as the target channel; if the uplink data is not sent by the GB-PUSCH, the terminal device determines whether to send the uplink data on the GF-PUSCH; if the uplink data is sent on the GF-PUSCH, the terminal device selects the GF-PUSCH.
  • the target channel As the target channel.
  • the specific process of the terminal device transmitting the UCI to the network device is as follows:
  • the terminal device needs to send the UCI to the network device in the current time slot.
  • the terminal device determines whether uplink data needs to be sent in the current time slot.
  • the terminal device determines whether there is GB-PUSCH data.
  • the terminal device sends the UCI on the GB-PUSCH.
  • the terminal device sends the UCI on the GF-PUSCH.
  • the terminal device sends the UCI on the PUCCH.
  • the terminal device determines whether the presence of the GB-PUSCH data is equivalent to the case that the uplink data needs to be sent in the current time slot, and the terminal device determines whether the uplink data is sent on the GB-PUSCH, where the GB- The PUSCH data refers to uplink data that needs to be transmitted on the GB-PUSCH.
  • the terminal device can send all the UCIs to be transmitted to the network device on the data channel (GF-PUSCH or GB-PUSCH), or can only send the part of all UCIs to be transmitted to the network device.
  • UCI, the remaining part of the UCI can be transmitted on the PUCCH.
  • the specific process of the terminal device transmitting the UCI to the network device is as follows:
  • the terminal device needs to send the UCI to the network device in the current time slot.
  • the terminal device determines whether uplink data needs to be sent in the current time slot.
  • the terminal device determines whether there is GB-PUSCH data.
  • the terminal device sends all UCI or part of UCI on the GB-PUSCH;
  • the terminal device sends all UCI or part of UCI on the GF-PUSCH;
  • the terminal device If there is no uplink data in the current time slot, the terminal device sends all the UCI or part of the UCI on the PUCCH.
  • the terminal device does not need to determine whether there is uplink data on the GB-PUSCH, but directly uses the GB-PUSCH as the target channel, and transmits the UCI through the GB-PUSCH.
  • the terminal device selects the GF-PUSCH or the GB-PUSCH as the target channel from the multiple channels according to the first indication information, and specifically includes: the terminal device selects the GB-PUSCH as the target channel.
  • the UCI may be separately transmitted on the GB-PUSCH after the UCI is transmitted on the GB-PUSCH, or the UCI may be simultaneously transmitted on the GB-PUSCH. And upstream data.
  • the terminal device may determine the target channel according to the priority information indicated by the first indication information. In fact, the terminal device may also determine the target channel in other manners, for example, the terminal device directly sends according to the current The type of UCI is used to determine the target channel.
  • determining, by the terminal device, the target channel from the multiple channels includes: selecting, by the terminal device, a GF-PUSCH or a GB-PUSCH as the target channel according to the type of the UCI.
  • the terminal device can select a data channel that matches the type of the UCI according to the type of the UCI, and can improve the effect of transmitting the UCI.
  • the terminal device when the terminal device selects the GF-PUSCH or the GB-PUSCH as the target channel according to the type of the UCI, according to the relationship between the UCI and the terminal device transmitting the uplink data, the terminal device may select the GF according to the type of the UCI.
  • the -PUSCH or GB-PUSCH is divided into two cases as the target channel. The two cases will be described in detail below with reference to the third and fourth embodiments.
  • Example 3 UCI can be transmitted separately on the data channel
  • the UCI does not have to be sent together with the uplink data. Therefore, after the terminal device determines the type of the UCI, the physical uplink data channel corresponding to the UCI type can be directly selected as the target channel.
  • the terminal device determines the target channel from the multiple channels, including: when the type of the UCI belongs to the first type, the terminal device selects the GF-PUSCH as the target channel; and the type of the UCI belongs to the second type. In this case, the terminal device selects the GB-PUSCH as the target channel; wherein the first type and the second type are different.
  • the specific process of the terminal device selecting the target channel according to the type of the UCI and transmitting the UCI on the target channel includes:
  • the terminal device needs to send the UCI to the network device in the current time slot.
  • the terminal device determines a type of UCI.
  • Example 4 When UCI is transmitted on the data channel, it must be transmitted together with the uplink data.
  • the UCI if the UCI is transmitted on the data channel, it must be transmitted together with the uplink data, that is, after determining the data channel corresponding to the UCI according to the type of UCI, it is necessary to further determine the data corresponding to the UCI. Whether there is uplink data on the channel needs to be transmitted. If there is no uplink data to be transmitted, UCI can be transmitted on the PUCCH.
  • the determining, by the terminal device, the target channel from the multiple channels specifically, if the type of the UCI belongs to the first type, the terminal device determines whether to send uplink data in the GF-PUSCH; if the uplink data is sent in the GF-PUSCH The terminal device selects the GF-PUSCH as the target channel; and when the type of the UCI belongs to the second type, the terminal device determines whether to send uplink data in the GB-PUSCH; if the uplink data is sent in the GB-PUSCH The terminal device selects the GB-PUSCH as the target channel.
  • the specific process of the terminal device selecting the target channel according to the type of the UCI and transmitting the UCI on the target channel includes:
  • the terminal device needs to send the UCI to the network device in the current time slot.
  • the terminal device determines a type of UCI.
  • the terminal device determines whether to send uplink data on the GF-PUSCH.
  • the terminal device determines to send uplink data on the GF-PUSCH, the terminal device sends the UCI on the GF-PUSCH.
  • the terminal device determines that the uplink data is not sent on the GF-PUSCH, the terminal device sends the UCI on the PUCCH.
  • the terminal device determines whether to send uplink data on the GB-PUSCH.
  • the terminal device determines to send uplink data on the GB-PUSCH, the terminal device sends the UC on the GB-PUSCH.
  • the terminal device determines that the uplink data is not sent on the GB-PUSCH, the terminal device sends the UCI on the PUCCH.
  • the first type of UCI includes a UCI that needs to be periodically sent
  • the second type of UCI includes a UCI that does not need to be sent periodically.
  • the first type of UCI includes periodic channel state information CSI
  • the second type of UCI includes at least one of aperiodic channel state information (CSI), ACK, and NACK information.
  • the periodic information is similar to the configuration of the unlicensed resource. It is suitable for transmission on the GF-PUSCH.
  • Non-periodic information such as ACK/NACK, generally corresponds to dynamic scheduling and is suitable for transmission on the GB-PUSCH.
  • the method 200 further includes: receiving, by the terminal device, second indication information sent by the network device, where the second indication information is used to indicate multiple GF-
  • the PUSCH may be used by the terminal device to send the target GF-PUSCH of the UCI to the network device.
  • the second indication information may be carried in RRC signaling or DCI sent by the network device to the terminal device, and therefore, the second indication information may be represented by adding a new field in the RRC signaling and the DCI.
  • the target GF-PUSCH used when transmitting the UCI may be determined from multiple GF-PUSCHs according to the indication of the network device, or may be determined by the terminal device itself.
  • the target GF-PUSCH is determined in the GF-PUSCH.
  • the terminal device may indicate whether a certain GF-PUSCH transmits the UCI by adding a different sequence in the GF-PUSCH data. Specifically, as shown in FIG. 9, when the GF-PUSCH data transmitted by the terminal device includes the first sequence, it indicates that the GF-PUSCH data includes both uplink data and UCI; and when the GF-PUSCH data transmitted by the terminal device includes the first The two sequence indicates that the GF-PUSCH data only contains uplink data, and does not include UCI. In addition, in FIG. 9, when UCI is transmitted together with uplink data, UCI and uplink data occupy different time domain resources. In fact, as shown in FIG.
  • UCI when UCI is transmitted together with uplink data, UCI can also occupy different frequency domain resources from the uplink data. That is to say, when UCI is transmitted through the GF-PUSCH channel, the UCI and the uplink data may be time division multiplexed or frequency division multiplexed. It should be understood that both the first sequence and the second sequence and the uplink data may be time division multiplexed or frequency division multiplexed.
  • the first sequence and the second sequence may be different reference signal (RS) sequences.
  • the first sequence may be RS1
  • the second sequence may be RS2.
  • the network device After receiving the GF-PUSCH data, the network device passes. Detecting the RS sequence to determine whether the UCI is included in the GF-PUSCH data. If the network device detects the RS1 in the received GF-PUSCH data, the network device determines that the UCI is included in the GF-PUSCH (in this case, the GF-PUSCH data includes Uplink data and UCI); and if the network device detects RS2 in the received GF-PUSCH data, the network device determines that the GF-PUSCH does not include UCI (in this case, the GF-PUSCH data only includes uplink data).
  • RS reference signal
  • the terminal device can identify whether the UCI is included in the GF-PUSCH channel by adding different sequences in the GF-PUSCH data, so that the network device can be on the GF-PUSCH.
  • the transmitted data is parsed correctly.
  • the terminal device when the terminal device sends the UCI on the GF-PUSCH, the uplink data may be sent only on the GF-PUSCH, and the uplink data and the UCI may be sent on the GF-PUSCH.
  • the terminal The device may also indicate whether the GF-PUSCH channel transmits only UCI or both UCI and uplink data by transmitting different demodulation reference signals (DMRS) to the network device.
  • DMRS demodulation reference signals
  • the terminal device when the terminal device sends the DMRS1 to the network device, it indicates that the GF-PUSCH data only includes the UCI and does not include the uplink data; and when the terminal device sends the DMRS2 to the network device, the GF-PUSCH data includes the UCI. It also contains upstream data.
  • the network device can determine the situation in which the terminal device sends the UCI according to the detected DMRS, and avoids an error when the network device identifies the GF-PUSCH data.
  • the method for transmitting UCI in the embodiment of the present application is described in detail from the perspective of the terminal device, and the method for transmitting UCI in the embodiment of the present application is described in the following with reference to FIG. It is to be understood that the method for transmitting UCI of the embodiment of the present application described from the perspective of the network device hereinafter corresponds to the method for transmitting UCI of the embodiment of the present application described above from the perspective of the terminal device, and is omitted as appropriate for the sake of brevity. Repeated description.
  • FIG. 11 is a schematic flowchart of a method for transmitting uplink control information according to an embodiment of the present application.
  • the method of Figure 11 can be performed by a network device.
  • the method 1100 of Figure 11 includes:
  • the network device determines a target channel from multiple channels, where the multiple channels include an unlicensed physical uplink shared channel GF-PUSCH and an authorized physical uplink shared channel GB-PUSCH.
  • the terminal device may determine the target channel from among the plurality of channels in the same manner as the terminal device. Specifically, the terminal device may arbitrarily select one channel from the GF-PUSCH and the GB-PUSCH as the target channel, and send indication information to the network device, where the indication information is used to indicate which channel the terminal device selects as the target channel, when the network After receiving the indication information, the device may determine the target channel according to the indication information, so that the target channel determined by the network device is consistent with the target channel determined by the terminal device.
  • the network device and the terminal device may also determine the target channel from the plurality of channels according to a pre-agreed rule and manner (specifically, a communication standard or a rule or manner specified in the protocol).
  • a pre-agreed rule and manner specifically, a communication standard or a rule or manner specified in the protocol.
  • the network device may determine the target channel from the GF-PUSCH and the GB-PUSCH according to the priorities of the GF-PUSCH and the GB-PUSCH (the priorities of the GF-PUSCH and the GB-PUSCH may be predetermined).
  • the network device may further send the first indication information to the terminal device, where the first indication information is used to indicate that the terminal device preferentially selects the GF-PUSCH or the GB-PUSCH as the target channel from the multiple channels.
  • the terminal device may preferentially select the GF-PUSCH or the GB-PUSCH as the target channel from the plurality of channels according to the priorities of the GF-PUSCH and the GB-PUSCH.
  • the method 1100 further includes: the network device sending the first indication information to the terminal device, where the first indication information is used to indicate that the terminal device is from the multiple channels.
  • the GF-PUSCH or GB-PUSCH is preferentially selected as the target channel.
  • the foregoing first indication information may be carried in RRC signaling or DCI sent by the network device to the terminal device. Therefore, the first indication information may be represented by adding a new field in the RRC signaling and the DCI.
  • the foregoing multiple channels may further include a PUCCH, that is, the terminal device may select a control channel as a target channel in addition to selecting a data channel as a target channel. .
  • the network device receives, from the target channel, a UCI sent by the terminal device.
  • the network device can flexibly select a target channel to transmit UCI from multiple channels when GF-PUSCH and GF-PUSCH are configured, and can only transmit by using GB-PUSCH and PUCCH in the prior art solution. Compared with the UCI method, it is more flexible to select the resources for transmitting UCI.
  • the network device determines the target channel from the multiple channels, including: the network device. Determining whether there is uplink data transmitted on the GF-PUSCH; if uplink data is transmitted on the GF-PUSCH, the network device selects the GF-PUSCH as the target channel; if no uplink data is transmitted on the GF-PUSCH, the network device determines whether there is an uplink.
  • the data is transmitted on the GB-PUSCH; if uplink data is transmitted on the GB-PUSCH, the network device selects the GB-PUSCH as the target channel. It should be understood that in this case, when UCI is transmitted on the data channel, it must be transmitted together with the uplink data.
  • the terminal device when the priority of the GF-PUSCH is high, the terminal device further determines the target channel according to whether the GF-PUSCH has uplink data.
  • the manner of determining the target channel is similar to the manner in which the terminal device determines the target channel in the first mode of the first example. It will not be described in detail here.
  • the network device determines the target channel from the multiple channels, including: the network device. Determining whether uplink data is transmitted on the GB-PUSCH; if uplink data is transmitted on the GB-PUSCH, the network device selects the GB-PUSCH as the target channel; if no uplink data is transmitted on the GB-PUSCH, the network device determines whether there is an uplink. The data is transmitted on the GF-PUSCH; if uplink data is transmitted on the GF-PUSCH, the network device selects the GF-PUSCH as the target channel. It should be understood that in this case, when UCI is transmitted on the data channel, it must be transmitted together with the uplink data.
  • the terminal device when the priority of the GB-PUSCH is high, the terminal device further determines the target channel according to whether the GB-PUSCH has uplink data.
  • the manner of determining the target channel is similar to the manner in which the terminal device determines the target channel in the third mode of the second embodiment. It will not be described in detail here.
  • the network device can directly determine the target channel according to the priority information of the GF-PUSCH and the GB-PUSCH.
  • the network device determines the target channel from the multiple channels. Including: the network device selects GF-PUSCH as the target channel.
  • the manner in which the network device determines the target channel is similar to the manner in which the terminal device determines the target channel in the second mode of the first example. It will not be described in detail here.
  • the network device determines the target channel from the multiple channels, including: the network device selects the GB-PUSCH as the target channel. .
  • the manner in which the network device determines the target channel is similar to the manner in which the terminal device determines the target channel in the fourth method of the second example. It will not be described in detail here.
  • the network device may determine the target channel directly according to the content of the UCI, in addition to determining the target channel according to the priority information. It should be understood that the network device and the terminal device may be predetermined in advance to determine the target channel according to the content of the UCI.
  • the network device can select a data channel that matches the type of UCI according to the type of UCI, and can improve the effect of transmitting UCI.
  • the network device determines the target channel from the multiple channels, including: when the type of the UCI belongs to the first type, the network device selects the GF-PUSCH as the target channel; if the type of the UCI belongs to the second type, The network device selects the GB-PUSCH as the target channel, where the first type and the second type are different. It should be understood that, at this time, the network device does not consider whether there is uplink data when determining the target channel, but directly determines the target channel according to the type of UCI. In this case, the network device determines the target channel and determines the terminal device in the third example above. The way the target channel is similar. It will not be described in detail here.
  • the network device determines the target channel from the multiple channels, including: if the type of the UCI belongs to the first type, the network device determines whether uplink data is transmitted on the GF-PUSCH; if the uplink data is in the GF- On the PUSCH, the network device selects GF-PUSCH as the target channel; if the type of UCI belongs to the second type, the network device determines whether uplink data is transmitted on the GB-PUSCH; if uplink data is transmitted on the GB-PUSCH The network device selects the GB-PUSCH as the target channel; wherein the first type and the second type are different. It should be understood that, at this time, the network device needs to consider whether there is uplink data when determining the target channel.
  • the network device determines the target channel according to the type of UCI and whether there is uplink data. In this case, the network device determines the target channel and The manner in which the terminal device determines the target channel in the above example 4 is similar. It will not be described in detail here.
  • the first type of UCI includes a UCI that needs to be periodically sent
  • the second type of UCI includes a UCI that does not need to be sent periodically.
  • the first type of UCI includes periodic channel state information CSI
  • the second type of UCI includes at least one of aperiodic channel state information (CSI), ACK, and NACK information.
  • the periodic information is similar to the configuration of the unlicensed resource. It is suitable for transmission on the GF-PUSCH.
  • Non-cyclical information such as ACK/NACK, generally corresponds to dynamic scheduling and is suitable for transmission on the GB-PUSCH.
  • the method 1100 further includes: the network device sends second indication information to the terminal device, where the second indication information is used to indicate multiple GF-PUSCHs. It can be used by the terminal device to send the target GF-PUSCH of the UCI to the network device.
  • the second indication information may be carried in RRC signaling or DCI sent by the network device to the terminal device, and therefore, the second indication information may be represented by adding a new field in the RRC signaling and the DCI.
  • the method for transmitting the uplink control information in the embodiment of the present application is described in detail with reference to FIG. 1 to FIG. 11.
  • the terminal device and the network device in the embodiments of the present application are described below with reference to FIG. 12 to FIG. It should be understood that the terminal devices in FIGS. 12 to 15 correspond to the above-described method 200, and the network devices in FIGS. 12 to 15 correspond to the above-described method 1100.
  • the terminal device and the network device in FIGS. 12 to 15 can perform the above-described method 200 and method 1100, respectively. For the sake of brevity, the repeated description is appropriately omitted below.
  • FIG. 12 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • the terminal device 1200 of FIG. 12 includes:
  • a determining module 1210 configured to determine a target channel from multiple channels, where the multiple channels include an unlicensed physical uplink shared channel GF-PUSCH and an authorized physical uplink shared channel GB-PUSCH;
  • the transceiver module 1220 is configured to send uplink control information UCI to the network device by using the target channel.
  • the terminal device can flexibly select a target channel from multiple channels to transmit UCI in the case where the GF-PUSCH and the GF-PUSCH are configured, and can only transmit by using the GB-PUSCH and the PUCCH in the prior art solution. Compared with the UCI method, it is more flexible to select the resources for transmitting UCI.
  • the transceiver module 1220 is further configured to: receive first indication information sent by the network device, where the first indication information is used to indicate that the terminal device is from the The GF-PUSCH or the GB-PUSCH is preferentially selected as the target channel, and the determining module 1210 is specifically configured to: select the GF from the multiple channels according to the first indication information. - PUSCH or the GB-PUSCH as the target channel.
  • the first indication information is specifically used to indicate that the terminal device preferentially selects the GF-PUSCH as the target channel from the multiple channels, where the determining module 1210 is specifically used. And determining whether to send uplink data in the GF-PUSCH, and if the GF-PUSCH sends uplink data, selecting the GF-PUSCH as the target channel.
  • the determining module 1210 is specifically configured to: if the GF-PUSCH does not send uplink data, determine whether to send uplink data in the GB-PUSCH; if the uplink is sent in the GB-PUSCH Data, the GB-PUSCH is selected as the target channel.
  • the first indication information is specifically used to indicate that the terminal device preferentially selects the GB-PUSCH as the target channel from the multiple channels, where the determining module 1210 is specifically used. And determining whether to send uplink data in the GB-PUSCH; if the uplink data is sent in the GB-PUSCH, selecting the GB-PUSCH as the target channel.
  • the determining module 1210 is specifically configured to: if the uplink data is not sent by the GB-PUSCH, determine whether to send uplink data on the GF-PUSCH; if the GF-PUSCH is sent For uplink data, the GF-PUSCH is selected as the target channel.
  • the first indication information is used to indicate that the terminal device preferentially selects the GF-PUSCH from the multiple channels as the target channel
  • the determining module 1210 is specifically configured to: : selecting the GF-PUSCH as the target channel.
  • the first indication information is used to indicate that the terminal device preferentially selects the GB-PUSCH as the target channel from the multiple channels, and the determining module 1210 is specifically configured to: : selecting the GB-PUSCH as the target channel.
  • the determining module 1210 is specifically configured to select the GF-PUSCH or the GB-PUSCH as the target channel according to the type of the UCI.
  • the determining module 1210 is specifically configured to: when the type of the UCI belongs to the first type, select the GF-PUSCH as the target channel; in the type of the UCI In the case of the second type, the GB-PUSCH is selected as the target channel; wherein the first type and the second type are different.
  • the type of the UCI includes a first type and a second type, where the first type and the second type are different, and the determining module 1210 is specifically configured to: in the UCI If the type belongs to the first type, determine whether to send uplink data in the GF-PUSCH; if the GF-PUSCH transmits uplink data, select the GF-PUSCH as the target channel.
  • the determining module 1210 is further configured to: if the type of the UCI belongs to the second type, determine whether to send uplink data in the GB-PUSCH; if in the GB- The PUSCH sends uplink data, and the GB-PUSCH is selected as the target channel; wherein the first type and the second type are different.
  • the first type of UCI includes a UCI that needs to be periodically sent
  • the second type of UCI includes a UCI that does not need to be periodically sent.
  • the first type of UCI includes periodic channel state information CSI
  • the second type of UCI includes aperiodic CSI, acknowledge (acknowledge, ACK), and informs that At least one of non-acknowledge (NACK) information is received.
  • CSI periodic channel state information
  • NACK non-acknowledge
  • the terminal device is configured with multiple GF-PUSCHs
  • the transceiver module 1220 is further configured to: receive second indication information sent by the network device, where the second indication information is used. Determining, in the plurality of GF-PUSCHs, a target GF-PUSCH available to the terminal device to send the UCI to the network device.
  • FIG. 13 is a schematic block diagram of a network device according to an embodiment of the present application.
  • the network device 1300 of Figure 13 includes:
  • a determining module 1310 configured to determine a target channel from multiple channels, where the multiple channels include an unlicensed physical uplink shared channel GF-PUSCH and an authorized physical uplink shared channel GB-PUSCH;
  • the transceiver module 1320 is configured to receive uplink control information UCI sent by the terminal device from the target channel.
  • the network device can flexibly select a target channel to transmit UCI from multiple channels when GF-PUSCH and GF-PUSCH are configured, and can only transmit by using GB-PUSCH and PUCCH in the prior art solution. Compared with the UCI method, it is more flexible to select the resources for transmitting UCI.
  • the transceiver module 1320 before the transceiver module 1320 receives the UCI sent by the terminal device from the target channel, the transceiver module 1320 is further configured to: send the first indication information to the terminal device, where The first indication information is used to indicate that the terminal device preferentially selects the GF-PUSCH or the GB-PUSCH as the target channel from the multiple channels.
  • the first indication information is specifically used to indicate that the terminal device preferentially selects the GF-PUSCH as the target channel from the multiple channels, where the determining module 1310 is specifically used. And determining whether uplink data is transmitted on the GF-PUSCH; if uplink data is transmitted on the GF-PUSCH, selecting the GF-PUSCH as the target channel.
  • the first indication information is specifically used to indicate that the terminal device preferentially selects the GF-PUSCH as the target channel from the multiple channels, where the determining module 1310 is specifically used. If no uplink data is transmitted on the GF-PUSCH, determining whether uplink data is transmitted on the GB-PUSCH; if uplink data is transmitted on the GB-PUSCH, selecting the GB-PUSCH as the The target channel.
  • the first indication information is specifically used to indicate that the terminal device preferentially selects the GB-PUSCH from the multiple channels as the target channel, and the determining module 1310 specifically uses And determining whether uplink data is transmitted on the GB-PUSCH; if uplink data is transmitted on the GB-PUSCH, selecting the GB-PUSCH as the target channel.
  • the determining module 1310 is specifically configured to: if no uplink data is transmitted on the GB-PUSCH, determine whether uplink data is transmitted on the GF-PUSCH; if uplink data is present Transmitting on the GF-PUSCH, selecting the GF-PUSCH as the target channel
  • the first indication information is used to indicate that the terminal device preferentially selects the GF-PUSCH as the target channel from the multiple channels, and the determining module 1310 is specifically configured to: : selecting the GF-PUSCH as the target channel.
  • the first indication information is used to indicate that the terminal device preferentially selects the GB-PUSCH as the target channel from the multiple channels, and the determining module 1310 is specifically configured to: : selecting the GB-PUSCH as the target channel.
  • the determining module 1310 is specifically configured to select the GF-PUSCH or the GB-PUSCH as the target channel according to the type of the UCI.
  • the determining module 1310 is specifically configured to: when the type of the UCI belongs to the first type, select the GF-PUSCH as the target channel; and type in the UCI In the case of the second type, the GB-PUSCH is selected as the target channel, wherein the first type and the second type are different.
  • the determining module 1310 is specifically configured to: if the type of the UCI belongs to the first type, determine whether uplink data is transmitted on the GF-PUSCH; if there is uplink data Transmitting on the GF-PUSCH, selecting the GF-PUSCH as the target channel.
  • the determining module 1310 is specifically configured to: if the type of the UCI belongs to the second type, determine whether uplink data is transmitted on the GB-PUSCH; if there is uplink data Transmitting on the GB-PUSCH, selecting the GB-PUSCH as the target channel; wherein the first type and the second type are different.
  • the first type of UCI includes a UCI that needs to be periodically sent
  • the second type of UCI includes a UCI that does not need to be periodically sent.
  • the first type of UCI includes periodic channel state information CSI
  • the second type of UCI includes at least one of aperiodic CSI, ACK, and NACK information.
  • the terminal device is configured with multiple GF-PUSCHs
  • the transceiver module 1320 is further configured to: send second indication information to the terminal device, where the second indication information is used to indicate
  • the plurality of GF-PUSCHs may be used by the terminal device to send the target GF-PUSCH of the UCI to the network device.
  • FIG. 14 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • the terminal device 1400 of FIG. 14 includes:
  • the memory 1410 is configured to store a program.
  • the processor 1420 is configured to execute a program stored in the memory 1410. When the program in the memory 1410 is executed, the processor 1420 is specifically configured to: determine a target channel from multiple channels, where the multiple The channel includes an unlicensed physical uplink shared channel GF-PUSCH and an authorized physical uplink shared channel GB-PUSCH;
  • the transceiver 1430 is configured to send uplink control information UCI to the network device by using the target channel.
  • the transceiver 1430 is further configured to: receive first indication information sent by the network device, where the first indication information is used to indicate that the terminal device is from the The GF-PUSCH or the GB-PUSCH is preferentially selected as the target channel, and the processor 1420 is specifically configured to: select the GF from the multiple channels according to the first indication information. - PUSCH or the GB-PUSCH as the target channel.
  • the first indication information is specifically used to indicate that the terminal device preferentially selects the GF-PUSCH as the target channel from the multiple channels, where the processor 1420 is specifically used. And determining whether to send uplink data in the GF-PUSCH, and if the GF-PUSCH sends uplink data, selecting the GF-PUSCH as the target channel.
  • the processor 1420 is specifically configured to: if the uplink data is not sent by the GF-PUSCH, determine whether to send uplink data on the GB-PUSCH; if the uplink is sent in the GB-PUSCH Data, the GB-PUSCH is selected as the target channel.
  • the first indication information is specifically used to indicate that the terminal device preferentially selects the GB-PUSCH as the target channel from the multiple channels, where the processor 1420 is specifically used. And determining whether to send uplink data in the GB-PUSCH; if the uplink data is sent in the GB-PUSCH, selecting the GB-PUSCH as the target channel.
  • the processor 1420 is specifically configured to: if the uplink data is not sent by the GB-PUSCH, determine whether to send uplink data on the GF-PUSCH; if the GF-PUSCH is sent For uplink data, the GF-PUSCH is selected as the target channel.
  • the first indication information is used to indicate that the terminal device preferentially selects the GF-PUSCH as the target channel from the multiple channels, where the processor 1420 is specifically used to : selecting the GF-PUSCH as the target channel.
  • the first indication information is used to indicate that the terminal device preferentially selects the GB-PUSCH as the target channel from the multiple channels, where the processor 1420 is specifically used to : selecting the GB-PUSCH as the target channel.
  • the processor 1420 is specifically configured to select the GF-PUSCH or the GB-PUSCH as the target channel according to the type of the UCI.
  • the processor 1420 is specifically configured to: when the type of the UCI belongs to the first type, select the GF-PUSCH as the target channel; in the type of the UCI In the case of the second type, the GB-PUSCH is selected as the target channel; wherein the first type and the second type are different.
  • the type of the UCI includes a first type and a second type, where the first type and the second type are different, and the processor 1420 is specifically configured to: in the UCI If the type belongs to the first type, determine whether to send uplink data in the GF-PUSCH; if the GF-PUSCH transmits uplink data, select the GF-PUSCH as the target channel.
  • the processor 1420 is further configured to: if the type of the UCI belongs to the second type, determine whether to send uplink data in the GB-PUSCH; if in the GB- The PUSCH sends uplink data, and the GB-PUSCH is selected as the target channel; wherein the first type and the second type are different.
  • the first type of UCI includes a UCI that needs to be periodically sent
  • the second type of UCI includes a UCI that does not need to be periodically sent.
  • the first type of UCI includes periodic channel state information CSI
  • the second type of UCI includes aperiodic CSI, acknowledge (acknowledge, ACK), and informs that At least one of non-acknowledge (NACK) information is received.
  • CSI periodic channel state information
  • NACK non-acknowledge
  • the terminal device is configured with multiple GF-PUSCHs
  • the transceiver 1430 is further configured to: receive second indication information sent by the network device, where the second indication information is used. Determining, in the plurality of GF-PUSCHs, a target GF-PUSCH available to the terminal device to send the UCI to the network device.
  • FIG. 15 is a schematic block diagram of a network device according to an embodiment of the present application.
  • the network device 1500 of Figure 15 includes:
  • the memory 1510 is configured to store a program.
  • the processor 1520 is configured to execute a program stored in the memory 1510. When the program in the memory 1410 is executed, the processor 1520 is specifically configured to: determine a target channel from multiple channels, where the multiple The channel includes an unlicensed physical uplink shared channel GF-PUSCH and an authorized physical uplink shared channel GB-PUSCH;
  • the transceiver 1530 is configured to receive uplink control information UCI sent by the terminal device from the target channel.
  • the network device can flexibly select a target channel to transmit UCI from multiple channels when GF-PUSCH and GF-PUSCH are configured, and can only transmit by using GB-PUSCH and PUCCH in the prior art solution. Compared with the UCI method, it is more flexible to select the resources for transmitting UCI.
  • the transceiver 1530 before the transceiver 1530 receives the UCI sent by the terminal device from the target channel, the transceiver 1530 is further configured to: send the first indication information to the terminal device, where The first indication information is used to indicate that the terminal device preferentially selects the GF-PUSCH or the GB-PUSCH as the target channel from the multiple channels.
  • the first indication information is specifically used to indicate that the terminal device preferentially selects the GF-PUSCH as the target channel from the multiple channels, where the processor 1520 is specifically used. And determining whether uplink data is transmitted on the GF-PUSCH; if uplink data is transmitted on the GF-PUSCH, selecting the GF-PUSCH as the target channel.
  • the first indication information is specifically used to indicate that the terminal device preferentially selects the GF-PUSCH as the target channel from the multiple channels, where the processor 1520 is specifically used. If no uplink data is transmitted on the GF-PUSCH, determining whether uplink data is transmitted on the GB-PUSCH; if uplink data is transmitted on the GB-PUSCH, selecting the GB-PUSCH as the The target channel.
  • the first indication information is specifically used to indicate that the terminal device preferentially selects the GB-PUSCH as the target channel from the multiple channels, where the processor 1520 is specifically used. And determining whether uplink data is transmitted on the GB-PUSCH; if uplink data is transmitted on the GB-PUSCH, selecting the GB-PUSCH as the target channel.
  • the processor 1520 is specifically configured to: if no uplink data is transmitted on the GB-PUSCH, determine whether uplink data is transmitted on the GF-PUSCH; if uplink data is present Transmitting on the GF-PUSCH, selecting the GF-PUSCH as the target channel
  • the first indication information is used to indicate that the terminal device preferentially selects the GF-PUSCH as the target channel from the multiple channels, where the processor 1520 is specifically used to : selecting the GF-PUSCH as the target channel.
  • the first indication information is used to indicate that the terminal device preferentially selects the GB-PUSCH as the target channel from the multiple channels, where the processor 1520 is specifically used to : selecting the GB-PUSCH as the target channel.
  • the processor 1520 is specifically configured to select the GF-PUSCH or the GB-PUSCH as the target channel according to the type of the UCI.
  • the processor 1520 is specifically configured to: when the type of the UCI belongs to the first type, select the GF-PUSCH as the target channel; in the type of the UCI In the case of the second type, the GB-PUSCH is selected as the target channel, wherein the first type and the second type are different.
  • the processor 1520 is specifically configured to: if the type of the UCI belongs to the first type, determine whether uplink data is transmitted on the GF-PUSCH; if there is uplink data Transmitting on the GF-PUSCH, selecting the GF-PUSCH as the target channel.
  • the processor 1520 is specifically configured to: if the type of the UCI belongs to the second type, determine whether uplink data is transmitted on the GB-PUSCH; if there is uplink data Transmitting on the GB-PUSCH, selecting the GB-PUSCH as the target channel; wherein the first type and the second type are different.
  • the first type of UCI includes a UCI that needs to be periodically sent
  • the second type of UCI includes a UCI that does not need to be periodically sent.
  • the first type of UCI includes periodic channel state information CSI
  • the second type of UCI includes at least one of aperiodic CSI, ACK, and NACK information.
  • the terminal device is configured with multiple GF-PUSCHs
  • the transceiver 1530 is further configured to: send, to the terminal device, second indication information, where the second indication information is used to indicate
  • the plurality of GF-PUSCHs may be used by the terminal device to send the target GF-PUSCH of the UCI to the network device.
  • the present application provides a terminal device, which includes a storage medium and a central processing unit, and the storage medium may be a non-volatile storage medium in which a computer executable program is stored, the central processing unit
  • the method of transmitting the uplink control information in the embodiment of the present application is implemented by connecting to the non-volatile storage medium and executing the computer executable program.
  • the present application provides a network device, which includes a storage medium and a central processing unit, and the storage medium may be a non-volatile storage medium in which a computer executable program is stored, the central processing unit Connecting to the non-volatile storage medium and executing the computer executable program to implement the method of transmitting uplink control information in the embodiment of the present application.
  • the present application provides a chip, the chip includes a processor and a communication interface, and the communication interface is used to communicate with an external device, and the processor is configured to perform the method for transmitting uplink control information in the embodiment of the present application.
  • the chip may further include a memory, where the memory stores an instruction, the processor is configured to execute an instruction stored on the memory, when the instruction is executed, The processor is configured to perform the method for transmitting uplink control information in the embodiment of the present application.
  • the chip is integrated on the terminal device.
  • the present application provides a chip, the chip includes a processor and a communication interface, and the communication interface is used to communicate with an external device, and the processor is configured to perform the method for transmitting uplink control information in the embodiment of the present application.
  • the chip may further include a memory, where the memory stores an instruction, the processor is configured to execute an instruction stored on the memory, when the instruction is executed, The processor is configured to perform the method for transmitting uplink control information in the embodiment of the present application.
  • the chip is integrated on a network device.
  • the application provides a computer readable medium storing program code for device execution, the program code comprising instructions for performing the method of transmitting uplink control information in embodiments of the present application.
  • the application provides a computer readable medium storing program code for device execution, the program code comprising instructions for performing the method of transmitting uplink control information in embodiments of the present application.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program code. .

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

Abstract

La présente invention concerne un procédé de transmission d'informations de commande de liaison montante, un dispositif terminal et un dispositif de réseau. Le procédé comprend les étapes suivantes : un dispositif terminal détermine un canal cible parmi une pluralité de canaux, la pluralité de canaux comprenant un canal partagé de liaison montante physique sans autorisation (GF-PUSCH) et un canal partagé de liaison montante physique basé sur une autorisation (GB-PUSCH) ; et le dispositif terminal envoie des informations de commande de liaison montante (UCI) à un dispositif de réseau au moyen du canal cible. La présente invention peut augmenter la flexibilité de transmission d'informations de commande de liaison montante.
PCT/CN2018/099285 2017-08-11 2018-08-08 Procédé de transmission d'informations de commande de liaison montante, dispositif terminal et dispositif de réseau WO2019029547A1 (fr)

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CN201710686614.3A CN109391421B (zh) 2017-08-11 2017-08-11 传输上行控制信息的方法、终端设备和网络设备

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