WO2022206827A1 - Procédé d'envoi d'informations, procédé de réception d'informations et appareil de communication - Google Patents

Procédé d'envoi d'informations, procédé de réception d'informations et appareil de communication Download PDF

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Publication number
WO2022206827A1
WO2022206827A1 PCT/CN2022/084021 CN2022084021W WO2022206827A1 WO 2022206827 A1 WO2022206827 A1 WO 2022206827A1 CN 2022084021 W CN2022084021 W CN 2022084021W WO 2022206827 A1 WO2022206827 A1 WO 2022206827A1
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Prior art keywords
uci
pusch
pucch
type
transmission
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PCT/CN2022/084021
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English (en)
Chinese (zh)
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孙跃
花梦
焦淑蓉
李军
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华为技术有限公司
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Publication of WO2022206827A1 publication Critical patent/WO2022206827A1/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • 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
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows

Definitions

  • the present application relates to the field of wireless communication technologies, and in particular, to a method for sending information, a method for receiving information, and a communication device in a wireless communication system.
  • uplink control information can be transmitted on the physical uplink control channel (PUCCH) or the physical uplink shared channel (PUSCH) .
  • the uplink data of the PUSCH also called an uplink shared channel (UL-SCH), is carried and transmitted on the PUSCH.
  • a PUSCH transport block (TB) in most cases, a TB is only transmitted on one slot. That is, the radio access network device will not actively schedule a PUSCH transmission block to be transmitted in multiple time slots.
  • the existing transmission mechanism for UCI and UL-SCH on PUSCH is to transmit on one slot, when a PUSCH transport block can be transmitted on multiple slots, for example, multi-slot PUSCH transport block processing (transport block processing over multi-slot PUSCH, TBoMS), how to effectively transmit UCI and UL-SCH on TBoMS is an urgent problem to be solved.
  • the present application provides an information sending method, an information receiving method and a communication device, which can ensure the transmission performance of UCI and UL-SCH on TBoMS.
  • a first aspect provides a method for sending information, the method comprising: receiving a transmission parameter of uplink control information UCI, where the UCI is carried on a physical uplink control channel PUCCH, and the PUCCH is not configured to be repeated; receiving a first physical uplink shared Transmission parameters of the channel PUSCH, the transmission parameters of the first PUSCH include the number K of transmission opportunities, K is a positive integer greater than or equal to 2, and the first PUSCH only includes one transmission block TB cyclic redundancy in the K transmission opportunities
  • the check code CRC is attached, wherein the physical layer priority of the first PUSCH and the PUCCH is the same, and the first PUSCH and the PUCCH overlap in the time domain; according to the transmission parameters of the UCI and the transmission parameters of the first PUSCH, determine The number of time-frequency resources of the UCI and the number of time-frequency resources of the first PUSCH; the PUCCH and/or the first PUSCH are sent according to the number of time-frequency resources of the UCI and the number
  • the transmission modes of the first PUSCH and PUCCH are determined, so as to ensure the transmission performance of UCI and uplink data.
  • the UCI includes a first type of UCI and/or a second type of UCI, wherein the first type of UCI is carried when the PUCCH transmission and the first PUSCH transmission are satisfied
  • the second type of UCI is carried on the PUCCH that does not satisfy the time conditions of the PUCCH transmission and the first PUSCH transmission.
  • the terminal device can flexibly select a multiplexing manner of multiplexing different types of UCI on the first PUSCH according to the type of the UCI.
  • the UCI includes a first type of UCI and/or a second type of UCI, where the first type of UCI is a UCI carried on a periodic PUCCH, or carried on a UCI of the semi-persistent PUCCH; the second type of UCI is the UCI carried on the dynamically scheduled PUCCH.
  • the UCI is classified by different classification methods, which can meet the different requirements of the terminal device for UCI classification.
  • the time condition includes: the time condition is the last symbol of the physical downlink control channel PDCCH or the physical downlink shared channel PDSCH corresponding to the PUCCH, and sending the PUCCH And/or there is sufficient processing time between the first symbols of the first PUSCH, and the last symbol of the PDCCH corresponding to the first PUSCH and the first symbol of the PUCCH and/or the first PUSCH are transmitted enough processing time in between.
  • the time conditions for PUCCH and the first PUSCH transmission can more clearly define different types of UCI, so that the terminal device can flexibly select a multiplexing manner of multiplexing different types of UCI on the first PUSCH.
  • the sending the PUCCH or the first PUSCH includes: the UCI includes the first type of UCI, if the number of time-frequency resources of the first PUSCH is greater than or equal to the The number of time-frequency resources of the first type of UCI is determined through rate matching, the first type of UCI is multiplexed on the first PUSCH, and the first PUSCH is sent.
  • the UCI carried on the PUCCH is the first type of UCI.
  • the first PUSCH is multiplexed on the first PUSCH by means of rate matching. Similar to UCI, it can effectively take into account the transmission performance of UCI and uplink data.
  • multiplexing the first type of UCI on the first PUSCH includes: multiplexing the first type of UCI on a transmission opportunity corresponding to the overlapping portion of the first PUSCH and the PUCCH One type of UCI, or the first type of UCI is multiplexed from the first transmission occasion where the first PUSCH is located.
  • the first type of UCI is multiplexed at different positions of the first PUSCH, so that the terminal device can select an appropriate position to multiplex the first type of UCI according to the number of the first type of UCI time-frequency resources, so as to ensure certain To a certain extent, the transmission performance of UCI and uplink data is guaranteed.
  • the overlapped part of the first PUSCH and the PUCCH corresponds to The PUCCH is sent at the same transmission opportunity, and the first PUSCH is not sent, or the first PUSCH is sent at the transmission opportunity corresponding to the overlapping part of the first PUSCH and the PUCCH, and the PUCCH is not sent.
  • the UCI carried on the PUCCH is the first type of UCI.
  • the number of time-frequency resources of the first PUSCH is less than the number of time-frequency resources of the first type of UCI, you can flexibly choose to ensure the transmission performance of UCI or ensure the transmission performance of uplink data. .
  • the transmission is sent at the transmission opportunity where the first PUSCH is located.
  • the PUCCH is not sent, or the PUCCH is sent on the transmission occasion where the PUCCH is located, and the first PUSCH is not sent on the transmission occasion where the first PUSCH is located.
  • the UCI carried on the PUCCH is the first type of UCI.
  • the number of time-frequency resources of the first PUSCH is less than the number of time-frequency resources of the first type of UCI, you can flexibly choose to ensure the transmission performance of UCI or ensure the transmission performance of uplink data. .
  • the sending the PUCCH or the first PUSCH includes: the UCI includes the second type of UCI, if the time-frequency resource of the first PUSCH is greater than or equal to the first PUSCH For the time-frequency resources of the second type of UCI, it is determined that the second type of UCI is punctured at the transmission opportunity corresponding to the overlapping portion of the first PUSCH and the PUCCH, and the first PUSCH is sent.
  • the UCI carried on the PUCCH is the second type of UCI.
  • the first PUSCH is multiplexed on the first PUSCH by puncturing. Similar to UCI, it can effectively take into account the transmission performance of UCI and uplink data.
  • the transmission corresponding to the overlapping part of the first PUSCH and the PUCCH The PUCCH is sent on the occasion without sending the first PUSCH, or the first PUSCH is sent on the transmission occasion corresponding to the overlapping part of the first PUSCH and the PUCCH, and the PUCCH is not sent.
  • the UCI carried on the PUCCH is the second type of UCI.
  • the overlapping of the first PUSCH and the PUCCH in the time domain includes: the UCI includes the first type of UCI and the second type of UCI; determining to carry the first type of UCI The UCI-like PUCCH and the first PUSCH overlap in the time domain, and it is determined that the PUCCH carrying the second type of UCI and the PUCCH carrying the first-type UCI do not overlap in the time domain.
  • the terminal device does not expect the PUCCH carrying the UCI of the second type, and schedules the PUCCH carrying the UCI of the first type at the transmission opportunity where the PUCCH carrying the UCI of the first type is located, so as to avoid the puncturing of the UCI of the second type and the destruction of the first type of UCI.
  • UCI while reducing the number of symbols occupied by the UL-SCH, that is, to ensure the transmission performance of the first type of UCI and UL-SCH.
  • the sending the PUCCH or the first PUSCH includes: through rate matching, multiplexing the first type of UCI and the second type of UCI on the first PUSCH
  • the first PUSCH is sent without puncturing the time-frequency resource corresponding to the multiplexing of the first type of UCI.
  • the second type of UCI does not puncture the time-frequency resources corresponding to the multiplexed first type of UCI, and to a certain extent, the transmission of the first type of UCI and the second type of UCI can be guaranteed at the same time performance.
  • the sending the PUCCH or the first PUSCH includes: the UCI includes the first type of UCI and the second type of UCI, if the time-frequency of the first PUSCH If the resource is greater than or equal to the time-frequency resources of the UCI of the first type and the UCI of the second type, the transmission modes of the UCI of the first type and the UCI of the second type are determined.
  • the first One type of UCI and the second type of UCI meet different conditions, and according to the number of time-frequency resources of the first type of UCI and the second type of UCI and the number of time-frequency resources of the first PUSCH, the first type of UCI is rate-matched respectively.
  • the second type of UCI is punctured at a suitable position on the first PUSCH, and the second type of UCI is punctured on the first PUSCH, which largely avoids affecting the transmission of the first type of UCI. Therefore, , the solution of the present application can simultaneously ensure the transmission performance of the first type of UCI and the second type of UCI on the first PUSCH to a certain extent.
  • the determining the transmission manner of the first type of UCI and the second type of UCI includes: multiplexing the first type of UCI on the first PUSCH through rate matching UCI, the second type of UCI is punctured after the time-frequency resource corresponding to the first type of UCI.
  • the second type of UCI is punctured after the time-frequency resources corresponding to the first type of UCI, to a certain extent, the transmission performance of the first type of UCI and the second type of UCI can be guaranteed at the same time.
  • the determining the transmission manner of the first type of UCI and the second type of UCI includes: multiplexing the first type of UCI on the first PUSCH through rate matching UCI, the second type of UCI is punctured in the resource unit corresponding to the HARQ-ACK except the HARQ-ACK, wherein the resource unit corresponding to the HARQ-ACK is located on the transmission opportunity corresponding to the multiplexing of the first type of UCI.
  • the second type of UCI when the second type of UCI can puncture the time-frequency resources corresponding to the first type of UCI, the time-frequency resources of the first type of UCI can be effectively used, thereby saving resources, and avoiding The HARQ feedback information in the first type of UCI can save resources on the basis of ensuring the transmission of the HARQ feedback information.
  • puncturing the second type of UCI on the resource unit corresponding to the HARQ-ACK except the HARQ-ACK includes: the second type of UCI is used in uplink data and The resource unit corresponding to the second part of the channel state information, CSI part 2, is punctured, wherein the uplink data and the CSI part 2 are located on the transmission opportunity corresponding to the multiplexing of the first type of UCI.
  • the time-frequency resources of the first type of UCI can be effectively used, thereby saving resources.
  • the terminal device does not expect that the DCI for scheduling the PUCCH indicates the PUCCH, and the DCI for scheduling the first PUSCH indicates the PUSCH to overlap in the time domain.
  • the terminal device determines that the UCI carried on the PUCCH is not multiplexed for transmission on the first PUSCH, and the terminal device sends the PUCCH and First PUSCH.
  • the terminal equipment when the terminal equipment does not expect the DCI for scheduling the PUCCH to indicate the PUCCH and the DCI for scheduling the first PUSCH to indicate the PUSCH in the time domain, the transmission of UCI and uplink data can be well guaranteed. performance.
  • an information receiving method comprising: sending transmission parameters of uplink control information UCI, where the UCI is carried on a physical uplink control channel PUCCH, and the PUCCH is not configured to be repeated; sending a first physical uplink shared Transmission parameters of the channel PUSCH, the transmission parameters of the first PUSCH include the number K of transmission opportunities, K is a positive integer greater than or equal to 2, wherein the first PUSCH and the PUCCH have the same physical layer priority, the first PUSCH and The PUCCH overlaps in the time domain; receiving the PUCCH and/or the first PUSCH, the first PUSCH includes only one transport block TB CRC attachment on the M transmission occasions, where M is less than or equal to positive integer of K.
  • the transmission modes of the first PUSCH and PUCCH are determined, so as to ensure the transmission performance of UCI and uplink data.
  • a method for sending information includes: receiving a transmission parameter of a first physical uplink shared channel PUSCH, where the transmission parameter of the first PUSCH includes the number of transmission occasions K, where K is a positive integer greater than or equal to 2 , the first PUSCH includes only one transport block TB CRC attachment on the K transmission opportunities; according to the transmission parameters of the first PUSCH, the first PUSCH is sent, and the first PUSCH multiplexing aperiodic Channel state information CSI.
  • the aperiodic CSI when the aperiodic CSI is scheduled to be sent on the first PUSCH, the aperiodic CSI is multiplexed on the first PUSCH by means of rate matching, which can simultaneously ensure the non-periodic CSI to a certain extent. Transmission performance of periodic CSI and UL-SCH on the first PUSCH.
  • multiplexing the aperiodic channel state information CSI on the first PUSCH includes: multiplexing the aperiodic channel state information on the first transmission opportunity corresponding to the first PUSCH CSI.
  • the aperiodic CSI is multiplexed on the first transmission opportunity corresponding to the first PUSCH, which can preferentially ensure the low latency performance of the aperiodic CSI.
  • multiplexing the aperiodic channel state information CSI on the first PUSCH includes: starting from the first transmission opportunity corresponding to the first PUSCH to multiplex the aperiodic channel state information CSI. Periodic CSI.
  • the aperiodic CSI is multiplexed from the first transmission opportunity corresponding to the first PUSCH, and the transmission occupied by the multiplexed aperiodic CSI can be determined according to the number of resources actually required by the aperiodic CSI timing to effectively ensure the transmission performance of aperiodic CSI.
  • the determining that the aperiodic CSI is carried on the first PUSCH includes: multiplexing the aperiodic CSI on each of the transmission occasions corresponding to the first PUSCH.
  • the aperiodic CSI is multiplexed on each of the transmission opportunities corresponding to the first PUSCH, which can effectively ensure the transmission performance of the aperiodic CSI.
  • the terminal device does not expect the physical layer that carries the transmission parameters of the first PUSCH to indicate DCI, and simultaneously carries the transmission parameters of the aperiodic CSI.
  • the terminal device can flexibly select whether to multiplex aperiodically on the first PUSCH or on the PUSCH.
  • a fourth aspect provides a method for receiving information, the method comprising: sending a transmission parameter of a first physical uplink shared channel PUSCH, where the transmission parameter of the first PUSCH includes the number of transmission occasions K, where K is a positive integer greater than or equal to 2 , the first PUSCH includes only one transport block TB CRC attachment on the K transmission occasions; receiving the first PUSCH, the first PUSCH multiplexes the aperiodic channel state information CSI, the first PUSCH Only one transport block TB CRC is attached on the K transmission occasions.
  • the aperiodic CSI when the aperiodic CSI is scheduled to be sent on the first PUSCH, the aperiodic CSI is multiplexed on the first PUSCH by means of rate matching, which can simultaneously ensure the non-periodic CSI to a certain extent. Transmission performance of periodic CSI and UL-SCH on the first PUSCH.
  • a fifth aspect provides an apparatus for sending information, the apparatus comprising: receiving a transmission parameter of uplink control information UCI, wherein the UCI is carried on a physical uplink control channel PUCCH, and the PUCCH is not configured to be repeated; receiving the first physical uplink shared Transmission parameters of the channel PUSCH, the transmission parameters of the first PUSCH include the number K of transmission opportunities, K is a positive integer greater than or equal to 2, and the first PUSCH only includes one transmission block TB cyclic redundancy in the K transmission opportunities
  • the check code CRC is attached, wherein the physical layer priority of the first PUSCH and the PUCCH is the same, and the first PUSCH and the PUCCH overlap in the time domain; according to the transmission parameters of the UCI and the transmission parameters of the first PUSCH, determine The number of time-frequency resources of the UCI and the number of time-frequency resources of the first PUSCH; the PUCCH and/or the first PUSCH are sent according to the number of time-frequency resources of the UCI and the number of
  • the transmission modes of the first PUSCH and PUCCH are determined, so as to ensure the transmission performance of UCI and uplink data.
  • the UCI includes a first type of UCI and/or a second type of UCI, wherein the first type of UCI is carried when the PUCCH transmission and the first PUSCH transmission are satisfied
  • the second type of UCI is carried on the PUCCH that does not satisfy the time conditions of the PUCCH transmission and the first PUSCH transmission.
  • the terminal device can flexibly select a multiplexing manner of multiplexing different types of UCI on the first PUSCH according to the type of the UCI.
  • the UCI includes a first type of UCI and/or a second type of UCI, where the first type of UCI is a UCI carried on a periodic PUCCH, or carried on a UCI of the semi-persistent PUCCH; the second type of UCI is the UCI carried on the dynamically scheduled PUCCH.
  • the UCI is classified by different classification methods, which can meet the different requirements of the terminal device for UCI classification.
  • the time condition includes: the time condition is the last symbol of the physical downlink control channel PDCCH or the physical downlink shared channel PDSCH corresponding to the PUCCH, and sending the PUCCH And/or there is sufficient processing time between the first symbols of the first PUSCH, and the last symbol of the PDCCH corresponding to the first PUSCH and the first symbol of the PUCCH and/or the first PUSCH are transmitted enough processing time in between.
  • the time conditions for PUCCH and the first PUSCH transmission can more clearly define different types of UCI, so that the terminal device can flexibly select a multiplexing manner of multiplexing different types of UCI on the first PUSCH.
  • the sending the PUCCH or the first PUSCH includes: the UCI includes the first type of UCI, if the number of time-frequency resources of the first PUSCH is greater than or equal to the The number of time-frequency resources of the first type of UCI is determined through rate matching, the first type of UCI is multiplexed on the first PUSCH, and the first PUSCH is sent.
  • the UCI carried on the PUCCH is the first type of UCI.
  • the first PUSCH is multiplexed on the first PUSCH by means of rate matching. Similar to UCI, it can effectively take into account the transmission performance of UCI and uplink data.
  • multiplexing the first type of UCI on the first PUSCH includes: multiplexing the first type of UCI on a transmission opportunity corresponding to the overlapping portion of the first PUSCH and the PUCCH One type of UCI, or the first type of UCI is multiplexed from the first transmission occasion where the first PUSCH is located.
  • the first type of UCI is multiplexed at different positions of the first PUSCH, so that the terminal device can select an appropriate position to multiplex the first type of UCI according to the number of the first type of UCI time-frequency resources, so as to ensure certain To a certain extent, the transmission performance of UCI and uplink data is guaranteed.
  • the overlapped part of the first PUSCH and the PUCCH corresponds to The PUCCH is sent at the same transmission opportunity, and the first PUSCH is not sent, or the first PUSCH is sent at the transmission opportunity corresponding to the overlapping part of the first PUSCH and the PUCCH, and the PUCCH is not sent.
  • the UCI carried on the PUCCH is the first type of UCI.
  • the number of time-frequency resources of the first PUSCH is less than the number of time-frequency resources of the first type of UCI, you can flexibly choose to ensure the transmission performance of UCI or ensure the transmission performance of uplink data. .
  • the transmission is sent at the transmission opportunity where the first PUSCH is located.
  • the PUCCH is not sent, or the PUCCH is sent on the transmission occasion where the PUCCH is located, and the first PUSCH is not sent on the transmission occasion where the first PUSCH is located.
  • the UCI carried on the PUCCH is the first type of UCI.
  • the sending the PUCCH or the first PUSCH includes: the UCI includes the second type of UCI, if the time-frequency resource of the first PUSCH is greater than or equal to the first PUSCH For the time-frequency resources of the second type of UCI, it is determined that the second type of UCI is punctured at the transmission opportunity corresponding to the overlapping portion of the first PUSCH and the PUCCH, and the first PUSCH is sent.
  • the UCI carried on the PUCCH is the second type of UCI.
  • the first PUSCH is multiplexed on the first PUSCH by puncturing. Similar to UCI, it can effectively take into account the transmission performance of UCI and uplink data.
  • the transmission corresponding to the overlapping part of the first PUSCH and the PUCCH The PUCCH is sent on the occasion without sending the first PUSCH, or the first PUSCH is sent on the transmission occasion corresponding to the overlapping part of the first PUSCH and the PUCCH, and the PUCCH is not sent.
  • the UCI carried on the PUCCH is the second type of UCI.
  • the overlapping of the first PUSCH and the PUCCH in the time domain includes: the UCI includes the first type of UCI and the second type of UCI; determining to carry the first type of UCI The UCI-like PUCCH and the first PUSCH overlap in the time domain, and it is determined that the PUCCH carrying the second type of UCI and the PUCCH carrying the first-type UCI do not overlap in the time domain.
  • the terminal device does not expect the PUCCH carrying the UCI of the second type, and schedules the PUCCH carrying the UCI of the first type at the transmission opportunity where the PUCCH carrying the UCI of the first type is located, so as to avoid the puncturing of the UCI of the second type and the destruction of the first type of UCI.
  • UCI while reducing the number of symbols occupied by the UL-SCH, that is, to ensure the transmission performance of the first type of UCI and UL-SCH.
  • the sending the PUCCH or the first PUSCH includes: through rate matching, multiplexing the first type of UCI and the second type of UCI on the first PUSCH
  • the first PUSCH is sent without puncturing the time-frequency resource corresponding to the multiplexing of the first type of UCI.
  • the second type of UCI does not puncture the time-frequency resources corresponding to the multiplexed first type of UCI, and to a certain extent, the transmission of the first type of UCI and the second type of UCI can be guaranteed at the same time performance.
  • the sending the PUCCH or the first PUSCH includes: the UCI includes the first type of UCI and the second type of UCI, if the time-frequency of the first PUSCH If the resource is greater than or equal to the time-frequency resources of the UCI of the first type and the UCI of the second type, the transmission modes of the UCI of the first type and the UCI of the second type are determined.
  • the first One type of UCI and the second type of UCI meet different conditions, and according to the number of time-frequency resources of the first type of UCI and the second type of UCI and the number of time-frequency resources of the first PUSCH, the first type of UCI is rate-matched respectively.
  • the second type of UCI is punctured at a suitable position on the first PUSCH, and the second type of UCI is punctured on the first PUSCH, which largely avoids affecting the transmission of the first type of UCI. Therefore, , the solution of the present application can simultaneously ensure the transmission performance of the first type of UCI and the second type of UCI on the first PUSCH to a certain extent.
  • the transmission manner of determining the UCI of the first type and the UCI of the second type includes: multiplexing the first type on the first PUSCH through rate matching UCI, the second type of UCI is punctured after the time-frequency resource corresponding to the first type of UCI.
  • the second type of UCI is punctured after the time-frequency resources corresponding to the first type of UCI, to a certain extent, the transmission performance of the first type of UCI and the second type of UCI can be guaranteed at the same time.
  • the transmission manner of determining the UCI of the first type and the UCI of the second type includes: multiplexing the first type on the first PUSCH through rate matching UCI, the second type of UCI is punctured in the resource unit corresponding to the HARQ-ACK except the HARQ-ACK, wherein the resource unit corresponding to the HARQ-ACK is located on the transmission opportunity corresponding to the multiplexing of the first type of UCI.
  • the second type of UCI when the second type of UCI can puncture the time-frequency resources corresponding to the first type of UCI, the time-frequency resources of the first type of UCI can be effectively used, thereby saving resources, and avoiding The HARQ feedback information in the first type of UCI can save resources on the basis of ensuring the transmission of the HARQ feedback information.
  • the second type of UCI puncturing the resource elements corresponding to the HARQ-ACK except the HARQ-ACK includes: the second type of UCI is used in uplink data and The resource unit corresponding to the second part of the channel state information, CSI part 2, is punctured, wherein the uplink data and the CSI part 2 are located on the transmission opportunity corresponding to the multiplexing of the first type of UCI.
  • the time-frequency resources of the first type of UCI can be effectively used, thereby saving resources.
  • the terminal device does not expect that the DCI for scheduling the PUCCH indicates the PUCCH, and the DCI for scheduling the first PUSCH indicates the PUSCH to overlap in the time domain.
  • the terminal device determines that the UCI carried on the PUCCH is not multiplexed for transmission on the first PUSCH, and the terminal device sends the PUCCH and First PUSCH.
  • the terminal equipment when the terminal equipment does not expect the DCI for scheduling the PUCCH to indicate the PUCCH and the DCI for scheduling the first PUSCH to indicate the PUSCH in the time domain, the transmission of UCI and uplink data can be well guaranteed. performance.
  • an information receiving apparatus comprising: sending a transmission parameter of uplink control information UCI, wherein the UCI is carried on a physical uplink control channel PUCCH, and the PUCCH is not configured to be repeated; sending the first physical uplink shared Transmission parameters of the channel PUSCH, the transmission parameters of the first PUSCH include the number K of transmission opportunities, K is a positive integer greater than or equal to 2, wherein the first PUSCH and the PUCCH have the same physical layer priority, the first PUSCH and The PUCCH overlaps in the time domain; receiving the PUCCH and/or the first PUSCH, the first PUSCH includes only one transport block TB CRC attachment on the M transmission occasions, where M is less than or equal to positive integer of K.
  • the transmission modes of the first PUSCH and PUCCH are determined, so as to ensure the transmission performance of UCI and uplink data.
  • a seventh aspect provides an apparatus for sending information, the apparatus comprising: receiving a transmission parameter of a first physical uplink shared channel PUSCH, where the transmission parameter of the first PUSCH includes the number of transmission occasions K, where K is a positive integer greater than or equal to 2 , the first PUSCH includes only one transport block TB CRC attachment on the K transmission opportunities; according to the transmission parameters of the first PUSCH, the first PUSCH is sent, and the first PUSCH multiplexing aperiodic Channel state information CSI.
  • the aperiodic CSI when the aperiodic CSI is scheduled to be sent on the first PUSCH, the aperiodic CSI is multiplexed on the first PUSCH by means of rate matching, which can simultaneously ensure the non-periodic CSI to a certain extent. Transmission performance of periodic CSI and UL-SCH on the first PUSCH.
  • multiplexing the aperiodic channel state information CSI on the first PUSCH includes: multiplexing the aperiodic channel state information on the first transmission opportunity corresponding to the first PUSCH CSI.
  • the aperiodic CSI is multiplexed on the first transmission opportunity corresponding to the first PUSCH, which can preferentially ensure the low latency performance of the aperiodic CSI.
  • the first PUSCH multiplexing the aperiodic channel state information CSI includes: starting from the first transmission opportunity corresponding to the first PUSCH to multiplex the aperiodic channel state information CSI. Periodic CSI.
  • the aperiodic CSI is multiplexed from the first transmission opportunity corresponding to the first PUSCH, and the transmission occupied by the multiplexed aperiodic CSI can be determined according to the number of resources actually required by the aperiodic CSI timing to effectively ensure the transmission performance of aperiodic CSI.
  • the determining that the aperiodic CSI is carried on the first PUSCH includes: multiplexing the aperiodic CSI on each of the transmission opportunities corresponding to the first PUSCH.
  • the aperiodic CSI is multiplexed on each of the transmission opportunities corresponding to the first PUSCH, which can effectively ensure the transmission performance of the aperiodic CSI.
  • the terminal device does not expect the physical layer that carries the transmission parameters of the first PUSCH to indicate DCI, and simultaneously carries the transmission parameters of the aperiodic CSI.
  • the terminal device can flexibly select whether to multiplex aperiodically on the first PUSCH or on the PUSCH.
  • an information receiving apparatus includes: sending a transmission parameter of a first physical uplink shared channel PUSCH, the transmission parameter of the first PUSCH includes the number of transmission occasions K, where K is a positive integer greater than or equal to 2 , the first PUSCH includes only one transport block TB CRC attachment on the K transmission occasions; receiving the first PUSCH, the first PUSCH multiplexes the aperiodic channel state information CSI, the first PUSCH Only one transport block TB CRC is attached on the K transmission occasions.
  • the aperiodic CSI when the aperiodic CSI is scheduled to be sent on the first PUSCH, the aperiodic CSI is multiplexed on the first PUSCH by means of rate matching, which can simultaneously ensure the non-periodic CSI to a certain extent. Transmission performance of periodic CSI and UL-SCH on the first PUSCH.
  • a communication device comprising at least one processor and a communication interface, the at least one processor is coupled with at least one memory, the at least one processor is configured to execute computer programs or instructions stored in the at least one memory , the communication interface is used to send and receive information, so that the communication device implements the information sending method in the first aspect or any one of the implementation manners of the first aspect of the claims, or so that the communication device realizes the information transmission method as described in the claims
  • the information sending method in the second aspect is implemented, either so that the communication device implements the information sending method in any one of the first aspect or the first aspect of the claims, or so that the communication device implements the Claims
  • a tenth aspect provides a chip, the chip includes a processor and a data interface, the processor invokes and runs a computer program from a memory through the data interface, so that a device on which the chip system is installed executes the first aspect or the first aspect.
  • the information sending method in any one of the implementations, or causing the device on which the chip system is installed to execute the information sending method in the implementation mode of the second aspect above, or causing the device on which the chip system is installed to execute the third aspect or the third aspect above.
  • the information sending method in any one of the implementation manners, or the device on which the chip system is installed is made to execute the information sending method in the implementation manner of the fourth aspect above.
  • a computer-readable medium stores program code for execution by a device, the program code including information for executing the first aspect or any implementation manner of the first aspect a sending method, or the program code includes an information sending method for executing the implementation of the second aspect, or the program code includes an information sending method for executing the third aspect or any implementation of the third aspect, or The program code includes a method for executing the information sending in the implementation manner of the fourth aspect.
  • a twelfth aspect provides a computer program product, the computer program product comprising: computer program code, when the computer program code is run on a computer, the computer is made to execute the first aspect or any implementation manner of the first aspect
  • the information sending method in the third aspect or make the computer execute the information sending method in the implementation mode of the second aspect, or cause the computer to execute the information sending method in the third aspect or any implementation mode of the third aspect, or cause the computer to execute the fourth aspect.
  • FIG. 1 is a schematic diagram of a mobile communication architecture provided by an embodiment of the present application.
  • FIG. 2 is a schematic diagram of a current mapping rule for multiplexing UCI and UL-SCH on PUSCH provided by an embodiment of the present application;
  • FIG. 3 is a schematic diagram of another current UCI and UL-SCH multiplexing mapping rule on PUSCH provided by an embodiment of the present application;
  • FIG. 4 is a schematic diagram of another current mapping rule for multiplexing UCI and UL-SCH on PUSCH provided by an embodiment of the present application;
  • FIG. 5 is a schematic flowchart of a method for sending information provided by an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a first PUSCH provided by an embodiment of the present application.
  • FIG. 7 is a schematic diagram of a multiplexing scheme for a first-type UCI on a first PUSCH provided by an embodiment of the present application;
  • FIG. 8 is a schematic diagram of another first-type UCI multiplexing scheme on the first PUSCH provided by an embodiment of the present application.
  • FIG. 9 is a schematic diagram of a multiplexing scheme for a second type of UCI on the first PUSCH provided by an embodiment of the present application.
  • FIG. 10 is a schematic diagram of another second-type UCI multiplexing scheme on the first PUSCH provided by an embodiment of the present application.
  • FIG. 11 is a schematic diagram of a multiplexing scheme of a first-type UCI and a second-type UCI on the first PUSCH provided by an embodiment of the present application;
  • FIG. 12 is a schematic diagram of another multiplexing scheme of the first type of UCI and the second type of UCI on the first PUSCH in the embodiment of the present application;
  • FIG. 13 is a schematic diagram of another multiplexing scheme of the first type of UCI and the second type of UCI on the first PUSCH in the embodiment of the present application;
  • 15 is a schematic diagram of a multiplexing manner of aperiodic CSI on the first PUSCH provided by an embodiment of the present application;
  • FIG. 16 is a schematic diagram of a multiplexing manner on the first PUSCH of another aperiodic CSI provided by an embodiment of the present application;
  • FIG. 17 is a schematic diagram of another multiplexing method on the first PUSCH of aperiodic CSI provided by an embodiment of the present application.
  • FIG. 18 is a schematic block diagram of a terminal device provided by an embodiment of the present application.
  • FIG. 19 is a schematic block diagram of an access network device provided by an embodiment of the present application.
  • FIG. 20 is a schematic block diagram of another terminal device provided by an embodiment of the present application.
  • FIG. 21 is a schematic block diagram of another access network device provided by an embodiment of the present application.
  • FIG. 22 is a schematic block diagram of a wireless communication apparatus provided by an embodiment of the present application.
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • New Radio New Radio
  • FIG. 1 is a schematic diagram of a mobile communication architecture provided by an embodiment of the present application.
  • the mobile communication system includes a core network device 110, a radio access network device 120, and at least one terminal device (the terminal in FIG. 1 ). device 130 and terminal device 140).
  • the terminal equipment is connected to the wireless access network equipment in a wireless manner, and the wireless access network equipment is connected with the core network equipment in a wireless or wired manner.
  • the core network device and the radio access network device can be independent and different physical devices, or the functions of the core network device and the logical functions of the radio access network device can be integrated on the same physical device, or they can be one physical device. It integrates the functions of some core network equipment and some functions of the wireless access network equipment.
  • Terminal equipment can be fixed or movable.
  • FIG. 1 is only a schematic diagram, and the communication system may also include other access network devices, such as wireless relay devices and wireless backhaul devices, which are not shown in FIG. 1 .
  • the embodiments of the present application do not limit the number of core network devices, wireless access network devices, and terminal devices included in the mobile communication system.
  • the terminal device in this 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), a wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in future 5G networks or future evolved Public Land Mobile Networks (PLMN)
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • a terminal device, etc. is not limited in this embodiment of the present application.
  • the radio access network device in this embodiment of the present application may be a device used for communicating with terminal devices, and the access network device may be an evolved base station (Evolutional NodeB, eNB or eNodeB) in the LTE system, or the access network device may be The network device may be a relay station, an access point, a vehicle-mounted device, a wearable device, an access network device in a future 5G network or an access network device in a future evolved PLMN network, etc., which are not limited in the embodiments of the present application.
  • Evolutional NodeB, eNB or eNodeB evolved base station
  • the network device may be a relay station, an access point, a vehicle-mounted device, a wearable device, an access network device in a future 5G network or an access network device in a future evolved PLMN network, etc., which are not limited in the embodiments of the present application.
  • Radio access network equipment and terminal equipment can be deployed on land, including indoor or outdoor, handheld or vehicle; can also be deployed on water; can also be deployed in the air on aircraft, balloons and satellites.
  • the embodiments of the present application do not limit the application scenarios of the wireless access network device and the terminal device.
  • the embodiments of the present application may be applicable to downlink signal transmission, uplink signal transmission, and device to device (device to device, D2D) signal transmission.
  • the sending device is a wireless access network device
  • the corresponding receiving device is a terminal device.
  • the sending device is a terminal device
  • the corresponding receiving device is a wireless access network device.
  • D2D signal transmission the sending device is a terminal device, and the corresponding receiving device is also a terminal device.
  • the transmission direction of the signal in the embodiments of the present application is not limited.
  • a symbol is the smallest time unit in the time domain structure.
  • a symbol can be an orthogonal frequency-division multiplexing (OFDM) symbol, or a discrete Fourier transform sequence orthogonal frequency division multiplexing (discrete fourier transform). -spread OFDM, DFT-s-OFDM) symbols.
  • OFDM orthogonal frequency-division multiplexing
  • DFT-s-OFDM discrete Fourier transform sequence orthogonal frequency division multiplexing
  • a time slot is a time unit in the time domain structure, and one time slot may be equal to 12 symbols, or one time slot may be equal to 14 symbols.
  • the number of symbols that can be included in one time slot is not limited, and only one time slot is equal to 14 symbols as an example.
  • a subframe is a time unit in the time domain structure.
  • the duration of each subframe is 1 ms, and each subframe can be divided into several time slots.
  • the corresponding relationship between each subframe and time slot is determined by the parameter set. For example, when the subcarrier spacing (SCS) is 15kHz, 1 subframe is equal to 1 time slot, and when the SCS is 30kHz, 1 subframe is equal to 2 time slot.
  • SCS subcarrier spacing
  • NR supports one time slot for uplink transmission, which is recorded as U time slot; also supports one time slot for downlink transmission, which is recorded as D time slot; also supports one time slot for uplink transmission, and also supports one time slot for uplink transmission.
  • Downlink transmission can be performed, which is called a special time slot, and this time slot is denoted as an S time slot, that is, the time slot can be selected for uplink transmission or downlink transmission according to the actual situation.
  • the time slot may include uplink symbols and downlink symbols, or uplink symbols and flexible symbols, or downlink symbols and flexible symbols, or include uplink symbols, downlink symbols and flexible symbols, wherein, Uplink symbols are used for uplink transmission, downlink symbols are used for downlink transmission, and flexible symbols can be used for both uplink transmission and downlink transmission.
  • time slot configuration format of the system may be DDDSU, DDDSUDDSUU, DDDDDDDDUU, and the like.
  • a concept involved in the embodiments of the present application is the smallest frequency domain unit in the frequency domain structure.
  • a resource block (RB) is 12 consecutive subcarriers in one time slot.
  • the physical resource block (PRB) is used to indicate the relative position of the resource block in actual transmission.
  • a resource element is the smallest physical unit in the NR standard, and one RE is one subcarrier on one OFDM symbol.
  • 1 RB is fixed to include 12 subcarriers, but since there are different subcarrier intervals in NR, the actual bandwidth occupied by RBs corresponding to different subcarrier intervals in the frequency domain is different.
  • Uplink transmission in NR involves the following basic concepts.
  • Uplink channels in NR include: physical uplink control channel (PUCCH), physical uplink shared channel (PUSCH), and physical random access channel (PRACH).
  • PUCCH physical uplink control channel
  • PUSCH physical uplink shared channel
  • PRACH physical random access channel
  • Uplink signals in NR include: sounding reference signal (SRS), demodulation reference signal (DMRS), and phase-tracking reference signal (PTRS), where the uplink DMRS is carried in the Transmission on the PUCCH or PUSCH occupies part of the resources of the PUCCH or PUSCH, and the uplink PTRS is carried on the PUSCH for transmission and occupies part of the resources of the PUSCH.
  • SRS sounding reference signal
  • DMRS demodulation reference signal
  • PTRS phase-tracking reference signal
  • PUCCH is used to carry UCI.
  • PUCCH format 0/2 has a duration of 1 to 2 OFDM symbols, which is called short PUCCH, and short PUCCH cannot be repeated; while PUCCH format 1/3/4 has a duration of 4 to 14 OFDM symbols, called short PUCCH.
  • the long PUCCH can be repeated in the time domain, and the number of repetitions can be 2/4/8 times.
  • PUCCH format 0/1/4 occupies 1 RB
  • PUCCH format 2 can occupy an integer number of RBs in ⁇ 1 ⁇ 16 ⁇
  • PUCCH format 3 can occupy ⁇ 1 ⁇ 6,8 ⁇ 10,12, 15,16 ⁇ an integer number of RBs.
  • the PUCCH may be a periodic PUCCH, a semi-persistent PUCCH, or a dynamically scheduled PUCCH.
  • the transmission mode of PUSCH in NR involves the following types.
  • the first is PUSCH transmission based on dynamic scheduling: based on each PUSCH transmission, the physical layer is used to indicate downlink control information (DCI) for scheduling. That is, when the terminal device receives the uplink scheduling of DCI once, it performs one PUSCH transmission.
  • DCI downlink control information
  • PUSCH transmission based on configuration grant (CG) type 1 this is a semi-statically scheduled PUSCH, the terminal device receives the high-level configuration (including the high-level parameter configuredGrantConfig of rrc-ConfiguredUplinkGrant), and does not receive physical layer instructions For DCI, the upper layer configures some semi-persistent time-frequency resources. If the terminal device has uplink data to send, it will send the PUSCH on the semi-persistent time-frequency resources configured by the upper layer; if there is no uplink data to be sent, no data transmission will be performed.
  • CG configuration grant
  • the third type, PUSCH transmission based on configuration permission type 2 the terminal device receives the high-level configuration (the high-level parameter configuredGrantConfig that does not include rrc-ConfiguredUplinkGrant, that is, the high-level configuration received by the terminal device does not have the configuration parameter rrc-ConfiguredUplinkGrant), the semi-persistent high-level configuration Time-frequency resources are selected for use by terminal equipment, and these semi-persistent time-frequency resources are activated or deactivated by DCI. If the DCI indicates activation, the terminal device uses semi-persistent time-frequency resources according to its own data transmission requirements, such as the second PUSCH transmission mode; if the DCI indicates deactivation, these semi-persistent time-frequency resources cannot be used.
  • the high-level parameter configuredGrantConfig that does not include rrc-ConfiguredUplinkGrant, that is, the high-level configuration received by the terminal device does not have the configuration parameter rrc-ConfiguredUplinkGrant
  • the uplink control information UCI in NR involves the following basic concepts.
  • Hybrid automatic repeat request acknowledgement including acknowledgement (ACK) and negative acknowledgement (NACK).
  • the UE may multiplex HARQ-ACK information on the PUSCH.
  • Channel state information (channel state information, CSI), specifically including precoding matrix indicator (precoding matrix indicator, PMI), rank indicator (rank indicator, RI), layer indicator (layer indicator, LI), channel quality information (channel quality indicator) , CQI), CSI-RS (reference signal, RS) resource indicator (CSI-RS resource indicator, CRI), reference signal received power (reference signal received power, RSRP), etc.
  • the CSI can be divided into the first part of the channel state information, CSI part 1, and the second part of the channel state information, CSI part 2.
  • CSI part 1 may include CRI, RI, broadband CSI of the first TB, sub-band differential CQI of the first TB, etc.;
  • CSI part 1 may include broadband CQI, LI, etc. of the second TB.
  • This embodiment of the present application does not limit which CSI specifically includes CSI part 1 and CSI part 2.
  • the terminal device can ignore a part of CSI part 2.
  • the terminal device can ignore a part of CSI part 2.
  • CSI reports may be periodic, semi-persistent, or aperiodic.
  • An aperiodic CSI (aperiodic channel state information, ACSI) report can be triggered and sent on the PUSCH; if the PUSCH contains uplink data, the UE multiplexes the ACSI report on the PUSCH.
  • SR Scheduling request
  • a terminal device transmits PUCCHs and/or PUSCHs to a radio access network device
  • overlap may occur. That is, PUCCHs and PUSCHs overlap, or multiple PUCCHs overlap, or multiple PUSCHs overlap.
  • the overlapping of PUCCHs and PUSCHs refers to the overlapping of PUCCHs and PUSCHs in the time domain.
  • the meaning of overlapping of multiple PUCCHs and overlapping of multiple PUSCHs is similar to the meaning of overlapping of PUCCHs and PUSCHs. For the sake of brevity, they are not repeated here.
  • PUCCH and PUSCH may be assigned different priority indices.
  • the priority index 0 represents a smaller priority index, which can also be called a low priority index
  • a priority index 1 represents a larger priority index, which can also be called a high priority index.
  • the time condition is satisfied when the terminal equipment expects the same priority PUCCHs and/or PUSCHs to overlap.
  • Different PUSCH and/or PUCCH transmission modes have different time conditions. Taking the transmission mode of at least one of PUSCH and/or PUCCH as dynamic scheduling as an example, the time condition is that the terminal equipment is receiving the corresponding dynamic scheduling PDCCH or PDSCH. There is sufficient processing time between the last symbol and the terminal device sending the first symbol of the earliest PUSCH and/or PUCCH.
  • the PUCCH to be sent is selected first according to the priority rules between different types of UCIs, and then according to the time sooner or later rules.
  • the terminal device selects the PUSCH for multiplexing HARQ feedback information and/or CSI reports according to certain rules.
  • the specific rules are as follows. The following rules are in order. The higher the priority, the higher the priority.
  • the terminal device multiplexes the HARQ feedback information on the PUSCH carrying the ACSI; second, the terminal device multiplexes the HARQ feedback information on the PUSCH corresponding to the first slot in the multiple overlapping PUSCH slots. information and/or CSI reporting; third, multiplexing HARQ feedback information and/or CSI reporting on the dynamically scheduled PUSCH; fourth, multiplexing HARQ feedback on the PUSCH of the serving cell with the smallest serving cell index (ServCellIndex) value information and/or CSI report; fifthly, the earliest PUSCH transmitted by the terminal device in the time slot, where the earliest PUSCH can be understood as the PUSCH corresponding to the earliest symbol in the time slot.
  • ServCellIndex serving cell index
  • the terminal device When the PUCCH is repeated, the terminal device will not multiplex the UCI on the PUSCH.
  • the PUCCH When the time condition is met, the PUCCH will be transmitted on the overlapping time slots without the PUSCH; or on the actual repetition of the PUSCH, the PUCCH will be transmitted without the PUSCH. .
  • the terminal device When the PUCCH is not repeated, the terminal device will multiplex the UCI in the overlapping PUCCH. If the PUSCH does not carry the UL-SCH and the PUCCH carries the scheduling request, the terminal device does not transmit the PUSCH, but only transmits the PUCCH; In other cases, the terminal device will multiplex the HARQ feedback information and/or CSI report on the selected PUSCH as needed, and will not transmit the scheduling request, that is, the scheduling request will not be multiplexed on the PUSCH, that is, the PUSCH does not carry the scheduling request.
  • the process of multiplexing UCI on PUSCH is as follows: first, generate a bit sequence according to different UCI types; second, perform code block segmentation and CRC addition according to the bit sequence; third, determine the channel coding method according to the bit sequence ; Fourth, through rate matching, the number of coded modulation symbols of each layer of different types of UCI is obtained, and the rate matching output sequence length of different code blocks is determined according to the number of symbols, and the output bit sequence after rate matching; Fifth, sequential cascade Rate matching of different code blocks outputs bit sequences; sixth, the UE multiplexes the concatenated bit sequences onto the PUSCH.
  • the second and third specific steps may be as follows: if the number of payloads of the UCI bit sequence is less than or equal to 11 bits, the CRC is not attached, and the channel coding mode of the UCI is determined to be small block long channel coding; if the number of payloads of the UCI bit sequence is greater than or equal to If it is equal to 12 bits, the CRC is attached, and the channel coding mode of the UCI is determined as the Polar code.
  • the method of obtaining the number of coded modulation symbols per layer of different types of UCI through rate matching is as follows.
  • the number of coded modulation symbols per layer is calculated according to the following rate matching rules for different types of UCI.
  • the number of coded modulation symbols per layer of the HARQ feedback information is calculated by formula (1), where Indicates rounded up.
  • the physical meaning of the first part of formula (1) is based on the actual number of data bits of the HARQ feedback information (the number of bits before coding O ACK and the number of CRC check bits L ACK ), the code rate offset factor and the code rate of the uplink data to calculate the number of resource elements encoded by the HARQ feedback information.
  • the physical meaning of (O ACK +L ACK )/Q' ACK is the code rate of UCI
  • the physical meaning is the code rate of uplink data, Indicates the ratio of the uplink data code rate to the UCI code rate.
  • the UCI code rate is less than or equal to the uplink data code rate, which is beneficial to the reliability of UCI in terms of transmission performance.
  • the physical meaning of the second part of formula (1) is to determine the upper limit of the number of HARQ feedback information resource elements according to the upper limit ratio ⁇ of the number of resource elements mapped on the PUSCH by UCI, where is the total number of resource elements available for transmitting HARQ-ACK on the PUSCH, wherein 10 is the symbol index of the first symbol that does not carry the DMRS after the symbol of the first demodulation reference signal DMRS.
  • the minimum value of the two parts is taken as the number of modulation symbols per layer Q' ACK used for HARQ feedback information transmission.
  • the UCI information includes configuration permission information CG-UCI
  • the number of coded modulation symbols per layer used for CG-UCI transmission is Q' CG-UCI is obtained from formula (2)
  • the UCI information packets CG-UCI and HARQ feedback the number of coded modulation symbols for each layer used to transmit HARQ feedback information and CG-UCI is calculated by formula (3).
  • O CG-UCI is the number of bits of CG-UCI
  • L CG-UCI is the number of CRC check bits of CG-UCI.
  • the CSI information consists of CSI part 1 and CSI part 2, the number of coded modulation symbols per layer of CSI part 1 is calculated by formula (4), and the number of coded modulation symbols of each layer of CSI part 2 is calculated by formula (5).
  • Q' ACK/CG-UCI when there is HARQ feedback information in the UCI information but no CG-UCI, and the number of bits of the HARQ feedback information is greater than 2, then Q' ACK/CG-UCI is Q' ACK in formula (1).
  • Q' ACK/CG-UCI is Q' CG -UCI in formula (2).
  • Q' ACK/CG-UCI is Q' ACK in formula (3).
  • the number of coded modulation symbols per layer is calculated according to the following rate matching rules for different types of UCI.
  • the number of coded modulation symbols per layer of the HARQ feedback information is calculated by formula (6).
  • Q m is the modulation order
  • R is the code rate
  • CSI information includes CSI part 1 and CSI part 2, or CSI part 1.
  • CSI part 2 When UCI information is transmitted on PUSCH, but uplink data information is not transmitted, if CSI part 2 is determined, the number of coded modulation symbols per layer of CSI part 1 is determined by Equation (7) is calculated, at this time, the number of coded modulation symbols of each layer of CSI part 2 is calculated by Equation (8). If it is determined that there is no CSI part 2, the number of coded modulation symbols per layer of CSI part 1 is calculated by formula (9).
  • the formula for calculating the number of coded modulation symbols for each layer used for UCI transmission, in units of time slots corresponds to the calculation formula under Polar channel coding one-to-one. The difference is that in the case of small block long channel coding, the number L of CRC bits of different types of UCIs is all 0.
  • FIG. 2 is a schematic diagram of a current mapping rule for multiplexing UCI and UL-SCH on PUSCH provided by an embodiment of the present application.
  • the HARQ feedback information of (a), (b), (c) and (d) in FIG. 2 is mapped as when the HARQ feedback information is more than 2 bits, or when the UCI information includes the HARQ feedback information and CG-UCI, then According to the actual size, the mapping is performed sequentially starting from the first available symbol after the DMRS symbol. If the HARQ feedback information and the CG-UCI (if any) can occupy the entire current symbol, the current symbol will be occupied, and then the next symbol will be occupied. If the HARQ feedback information and CG-UCI (if any) are not enough to occupy the entire current symbol, they will be distributed on the frequency domain resources at equal intervals on the current symbol.
  • the HARQ feedback information and the CG-UCI (if any) in the UCI information are mapped, and the HARQ feedback information and the CG-UCI (if any) are mapped from the first available symbol after the DMRS symbol, as shown in (a) of Figure 2 .
  • map CSI part 1 sequentially from the first available symbol resource on the PUSCH , where the first available symbol resource is the first available symbol resource on the PUSCH except for the resource elements mapped by the DMRS and HARQ feedback information.
  • the uplink data is sequentially mapped from the first available symbol resource on the PUSCH, wherein, the first available symbol resource is the first available symbol resource on the PUSCH except for the resources mapped by DMRS, HARQ feedback information, CSI part 1 and CSI part 2.
  • the HARQ feedback information of (a), (b), (c), (d) and (e) in FIG. 4 is mapped to when the HARQ feedback information is any size of 0, 1 or 2 bits, and there is no CG-
  • the HARQ feedback information is any size of 0, 1 or 2 bits, and there is no CG-
  • PUSCH resources are reserved according to the 2-bit HARQ feedback information, which becomes a reserved area. It should be understood that, since the number of bits represented by each symbol in the resource block depends on the selected modulation order, the number of UCI and uplink data mapping resource elements in the figure is only an example.
  • the number of resource units that need to be mapped for the HARQ feedback information in the UCI information is reserved, and a resource reservation area of the HARQ feedback information is formed, and the resource reservation area starts from the first available symbol after the DMRS symbol, as shown in Figure 4 ( a) shown.
  • the first available symbol resource is the resource unit excluding the reserved area for DMRS and HARQ feedback information, and the first available symbol resource on the PUSCH.
  • S404 Map the uplink data information.
  • the uplink data is mapped sequentially from the first available symbol resource on the PUSCH. There is no need to bypass the HARQ feedback information reservation area, where the first available symbol resource is the resource element mapped by excluding DMRS, CSI part 1 and CSI part 2, and the first available symbol resource on the PUSCH.
  • the HARQ feedback information resource is reserved.
  • the reserved area will be remapped by the HARQ feedback information, and the mapping position starts from the first symbol of the HARQ feedback information resource reserved area to cover the information already mapped in the reserved area. That is, punch holes on the reserved resources to which CSI part2 and/or uplink data have been mapped.
  • a PUSCH transport block is transmitted on only one slot, and when TBoMS is present, a PUSCH transport block can be transmitted on multiple slots.
  • TBoMS can improve channel coding gain by aggregating smaller packets in multiple time slots.
  • TBoMS can reduce the number of bits occupied by CRC and save resources. Since a single TB of TBoMS is elongated in the time domain, the number of resource blocks or resource units occupied in the frequency domain can be reduced, thereby improving the power spectral density.
  • the above-mentioned processing methods of UCI multiplexing on PUSCH are for a single PUSCH transport block to be transmitted in one time slot, while for TBoMS, when the size of the transport block remains unchanged, a single transport block needs to be transmitted in multiple time slots. , resulting in a decrease in the number of available resource units in a single time slot, which leads to a decrease in the number of resource units available for UCI when UCI is multiplexed on PUSCH. If the current processing method of UCI multiplexing on PUSCH is continued, more UCI needs to be discarded bit, will affect the transmission of UCI and uplink data, thereby affecting system performance. Therefore, how to effectively transmit UCI and UL-SCH on TBoMS is an urgent problem to be solved.
  • the terminal device can multiplex the UCI at one transmission opportunity of the TBoMS, but when the time-frequency resources required by the UCI are too large, some UCI bits will be discarded, and the UCI cannot be guaranteed. transmission performance, and the transmission performance of UL-SCH will also be affected.
  • the terminal equipment can also directly cancel the transmission of TBoMS and send PUCCH, but this scheme sacrifices the transmission of UL-SCH to ensure the transmission performance of UCI.
  • the terminal device can also directly puncture the UCI originally scheduled for transmission on the PUCCH on the TBoMS, but without considering other UCI multiplexed in the TBoMS, directly puncturing the TBoMS will affect the transmission performance of other UCIs. Therefore, this application proposes a technical solution that can ensure the transmission performance of UCI and UL-SCH as much as possible.
  • FIG. 5 is a schematic flowchart of an information sending method provided by an embodiment of the present application.
  • the wireless access network device sends the UCI transmission parameter to the terminal device, and the terminal device receives the UCI transmission parameter, wherein the UCI is carried on the PUCCH, and the PUCCH is not configured to be repeated.
  • the radio access network device sends the PUCCH transmission parameters to the terminal device, and the terminal device receives the PUCCH transmission parameters.
  • the transmission parameters of the PUCCH may include the transmission parameters of the UCI, or the transmission parameters of the PUCCH do not include the transmission parameters of the UCI, that is, the transmission parameters of the PUCCH and the transmission parameters of the UCI are carried in different messages.
  • the transmission parameters of the PUCCH may be carried in the DCI indicated by the RRC signaling and/or the physical layer, which is not limited in this embodiment of the present application.
  • the transmission parameters of PUCCH may include at least one of the following parameters: UCI type, number of UCI bits, subcarrier spacing configuration ⁇ and PUCCH priority index, wherein UCI type and number of UCI bits are UCI transmission parameters. It should be understood that these parameters are the transmission parameters of the PUCCH involved in the embodiments of the present application, not all the transmission parameters of the PUCCH.
  • the transmission parameters of the PUCCH may include at least one of the following parameters: the subcarrier interval configuration ⁇ and the PUCCH priority index, the transmission parameters of the UCI It can include at least one of the following parameters: UCI type, UCI bit number. It should be understood that these parameters are the transmission parameters of the PUCCH and the transmission parameters of the UCI involved in the embodiments of the present application, and not all the transmission parameters of the PUCCH and all the transmission parameters of the UCI.
  • the terminal device may determine the UCI type to send to the access network device according to the UCI type, and the UCI type may include at least one of the following types: HARQ feedback information, channel state information CSI and scheduling request SR. This embodiment of the present application does not limit this.
  • the terminal device can determine the time-frequency resources mapped by the UCI according to the number of UCI bits.
  • the terminal device may determine the priority information of the PUCCH according to the PUCCH priority index, where the PUCCH priority index may include priority index 0 or priority index 1.
  • the wireless access network device sends transmission parameters of the first PUSCH to the terminal device, and the terminal device receives the transmission parameters of the first PUSCH, where the first PUSCH carries the uplink shared channel UL-SCH, and the transmission parameters of the first PUSCH include the number of transmission occasions K, K is a positive integer greater than or equal to 2, the first PUSCH includes only one transport block TB CRC attached at K transmission occasions, where the first PUSCH and PUCCH have the same physical layer priority, and the first PUSCH and PUCCH have the same physical layer priority.
  • a PUSCH and PUCCH overlap in the time domain.
  • the transmission parameters of the first PUSCH may be carried in RRC signaling and/or DCI indicated by the physical layer, which is not limited in this embodiment of the present application.
  • the message carrying the transmission parameter of the first PUSCH and the transmission parameter carrying the PUCCH are different messages.
  • TBoMS represents the first PUSCH
  • first PUSCH may also have other names, which are not limited in this embodiment of the present application.
  • the transmission parameters of TBoMS may include at least one of the following parameters: frequency domain resource location, subcarrier spacing configuration ⁇ , coding and modulation method, number of layers during MIMO transmission, scaling parameter ⁇ , code rate offset factor ⁇ offset , TBoMS priority The level index and the number K of transmission occasions for TBoMS. It should be understood that these parameters are the transmission parameters of the TBoMS involved in the embodiments of the present application, not all the transmission parameters of the TBoMS.
  • the terminal device can determine the number of physical resource blocks for sending TBoMS and the position of each physical resource block according to the location of the frequency domain resources.
  • the terminal device can determine the modulation mode and coding rate of TBoMS transmission according to the coding and modulation mode.
  • the terminal device can determine the number of coded modulation symbols for each layer of different types of UCI when the UCI is multiplexed on the TBoMS according to the number of layers during MIMO transmission, the scaling parameter ⁇ and the code rate offset factor ⁇ offset .
  • the terminal device may determine the priority information of the TBoMS according to the TBoMS priority index, where the TBoMS priority index may include priority index 0 or priority index 1.
  • the terminal device may determine, according to the number K of TBoMS transmission occasions, to transmit a PUSCH transmission block on K transmission occasions.
  • the transmission opportunity may include one or more time slots, or some symbols in one or more time slots, for example, one time slot may include 14 symbols, and some symbols in one time slot may include the third symbol to For the twelfth symbol, when a transmission opportunity is a partial symbol in a time slot, the embodiment of the present application does not limit the number of symbols and symbol positions included in the transmission opportunity.
  • the first PUSCH only includes one transport block TB CRC attached on K transmission occasions
  • the first PUSCH only transmits one PUSCH transport block on K transmission occasions
  • the PUSCH carries the uplink data and/or UCI, and only one TB CRC is attached.
  • the second PUSCH has K TB CRCs attached at K transmission occasions, that is, the second PUSCH transmits K PUSCH transport blocks at K transmission occasions, and has K TB CRCs attached, that is, the same PUSCH is attached to K Repeat the transmission K times at the transmission opportunity, where K is a positive integer greater than or equal to 2.
  • the physical layer priority of the first PUSCH and PUCCH is the same, that is, the physical layer priority of TBoMS and PUCCH is the same.
  • the priority index of TBoMS and the priority index of PUCCH are the same, that is, when the priority index of TBoMS is the same When it is 0, the priority index of PUCCH is also 0; when the priority index of TBoMS is 1, the priority index of PUCCH is also 1.
  • the priorities of the physical layer are the same, and it does not limit whether the priorities of TBoMS and PUCCH at the media access control (media access control, MAC) layer are the same.
  • the physical layer priority can be used to indicate the priority of the performance requirements of the services carried on TBoMS or PUCCH.
  • the priority index can be used to indicate the priority requirements of low latency performance of the services carried on TBoMS or PUCCH.
  • the physical layer priority of PUCCH is different.
  • the priority index of TBoMS is 0, and the priority index of PUCCH is 1, which means that the priority of the service carried on the PUCCH for low-latency performance is higher than that of the service carried on the TBoMS.
  • the overlapping of TBoMS and PUCCH in the time domain can be understood as the overlapping of resources of TBoMS transmission and PUCCH transmission in the time domain, wherein PUCCH and TBoMS overlap in N transmission occasions, and N is a positive integer.
  • N is greater than 1.
  • One scenario is that when the subcarrier spacing of the PUCCH and the subcarrier spacing of the TBoMS are the same, multiple PUCCHs and TBoMS overlap, and the overlapping transmission opportunities are greater than 1.
  • Another scenario is that when the subcarrier spacing of PUCCH and the subcarrier spacing of TBoMS are different, a PUCCH and TBoMS overlap, and the overlapping transmission opportunity is greater than 1.
  • the duration of one time slot of PUCCH is twice the duration of one time slot of PUSCH.
  • Another scenario is that when the subcarrier spacing of the PUCCH and the subcarrier spacing of the TBoMS are different, and when multiple PUCCHs and TBoMS overlap, the overlapping transmission opportunities are also greater than 1.
  • FIG. 6 is a schematic structural diagram of a first PUSCH provided by an embodiment of the present application, that is, a schematic structural schematic diagram of a TBoMS provided by an embodiment of the present application.
  • the transmission mode of TBoMS in the embodiment of the present application is the transmission mode of DCI dynamic scheduling as an example, and the embodiment of the present application does not limit the transmission mode of TBoMS.
  • the frame structure used in the embodiments of the present application takes the frame structure DSUUD as an example to illustrate the transmission of TBoMS.
  • the solutions of the embodiments of the present application may also use other frame structures, and the embodiments of the present application do not limit the frame structure.
  • DSUUD is a time division multiplexed frame structure.
  • D represents downlink transmission on this time slot or transmission opportunity.
  • U represents uplink transmission on this time slot or transmission opportunity.
  • S represents that downlink transmission can be performed on this time slot or transmission opportunity, and uplink transmission can also be performed on this time slot or transmission opportunity.
  • the time slot or transmission opportunity is used for downlink transmission; when the terminal device needs to use the time slot or transmission opportunity to send a message to the access network device, the time slot or transmission opportunity is used for uplink transmission.
  • the number of transmission opportunities K of TBoMS can be understood as the number K of transmission opportunities in the name of TBoMS, that is, TBoMS is transmitted on consecutive K transmission opportunities, among which, only P transmission opportunities that support uplink transmission in the consecutive K transmission opportunities can perform TBoMS transmission, where P is a positive integer less than or equal to K, as shown in (a) of FIG. 6 .
  • the DCI instructs the TBoMS to transmit on K consecutive time slots.
  • K is 5, for the frame structure DSUUD
  • the terminal The device transmits TBoMS in 2 uplink time slots in the frame structure.
  • the actual number of time slots for transmitting TBoMS is less than the nominal number of time slots for transmitting TBoMS, and the two uplink time slots for transmitting TBoMS are continuous.
  • the time slot in which it is located is numbered, as shown in the figure.
  • the number of transmission opportunities K of TBoMS can also be understood as the actual number of transmission opportunities K of TBoMS, that is, TBoMS needs to transmit on K transmission opportunities that support uplink transmission across Q consecutive transmission opportunities, where Q is a positive value greater than or equal to K Integer as shown in Fig. 6(b).
  • the DCI instructs the TBoMS to transmit on K uplink time slots.
  • K is 4, for the frame structure DSUUD, for the TBoMS
  • the time slot in which it is located is numbered.
  • the terminal equipment needs to transmit TBoMS, and the second uplink time slot and the third uplink time slot are separated by 3 non-uplink time slots.
  • the determination of the transmission position of the TBoMS by the terminal device depends on the number of time slots or the number K of transmission opportunities for TBoMS transmission and the frame structure.
  • the terminal device determines the number of time-frequency resources of the UCI and the number of time-frequency resources of the TBoMS according to the transmission parameters of the PUCCH and the transmission parameters of the TBoMS.
  • the terminal device can determine different types of UCI according to the UCI type and the number of UCI bits in the transmission parameters of PUCCH, and the parameters such as the scaling parameter ⁇ and the rate offset factor ⁇ offset in the transmission parameters of TBoMS. number of time-frequency resources.
  • the terminal device can use parameters such as the frequency domain resource location, the coding and modulation mode, the number of layers during MIMO transmission, the number of uplink symbols in the overlapping transmission opportunities, and the number N of overlapping transmission opportunities for PUCCH and TBoMS according to the transmission parameters of TBoMS, etc. Determine the number of time-frequency resources for TBoMS.
  • the terminal device can determine the TBoMS according to the frequency domain resource location, coding and modulation mode, the number of layers during MIMO transmission, the number of uplink symbols in overlapping transmission opportunities, and the number of TBoMS transmission opportunities K in the transmission parameters of TBoMS.
  • the number of time-frequency resources The number of time-frequency resources.
  • the terminal device sends the PUCCH and/or the first PUSCH to the access network device according to the number of time-frequency resources of the UCI and the number of time-frequency resources of the first PUSCH, and the access network device receives the PUCCH and/or the first PUSCH, wherein the first A PUSCH includes only one TB CRC attachment on M transmission occasions, where M is less than or equal to K, and M is a positive integer.
  • the PUCCH and TBoMS in FIG. 7 to FIG. 12 are transmitted through dynamic scheduling. It should be understood that this transmission method is only an example of the embodiment of the present application.
  • the embodiment of the present application transmits the PUCCH and the TBoMS. The method is not limited.
  • the frame structure in this embodiment of the present application is DSUUD, and the frame structure of DSUUD is described in detail above to avoid repeated descriptions, and will not be repeated here.
  • the time slot diagrams shown in Figures 7 to 12 are part of the time slot with the frame structure of DSUUD, that is, the DDSUUDDSUUD shown in the figure.
  • the downlink time slots are numbered from left to right, and there are a total of 5 downlink time slots.
  • the special time slots are numbered from left to right, and there are 2 special time slots in total; the uplink time slots are numbered from left to right, and there are 4 downlink time slots in total.
  • UCIs are classified into two categories according to different classification methods.
  • One classification method is to determine the type of UCI according to whether the UCI meets the time conditions for PUCCH and TBoMS transmission.
  • the first type of UCI is carried on the PUCCH that meets the time conditions for PUCCH transmission and TBoMS transmission, and the second type of UCI is carried on the PUCCH that does not meet the time conditions for PUCCH transmission and TBoMS transmission.
  • satisfying the time condition for PUCCH and TBoMS transmission can be understood that there is sufficient processing time between the terminal device receiving the last symbol of PDCCH or PDSCH corresponding to PUCCH and sending the first symbol of PUCCH and/or TBoMS, And there is sufficient processing time between the last symbol of PDCCH corresponding to TBoMS and the first symbol of PUCCH and/or TBoMS is transmitted.
  • Meeting the time condition for PUCCH transmission or meeting the time condition for TBoMS transmission can be divided into the following situations.
  • the terminal equipment receiving the last symbol of the PDCCH corresponding to the PUCCH and sending the first symbol of the PUCCH and/or TBoMS, which can be understood as when the access network equipment does not need to send downlink data to the terminal equipment.
  • the DCI carried in the PDCCH sent by the access network equipment to the terminal equipment instructs the terminal equipment to feed back information such as CSI
  • the terminal equipment carries the UCI including the CSI in the PUCCH and/or TBoMS and sends it to the access network equipment to meet the time conditions of the PUCCH That is, there is sufficient processing time between the last symbol of the PDCCH and the first symbol of the transmission of the PUCCH and/or TBoMS.
  • Scenario 1 for the access network device to send the PDSCH to the terminal device through dynamic scheduling, that is, the terminal device needs to receive the PDCCH first, then the PDSCH, and then send the UCI to the access network device in the PUCCH and/or TBoMS.
  • the time condition of PUCCH is satisfied, that is, there is sufficient processing time between the last symbol of PDSCH and the first symbol of sending PUCCH and/or TBoMS, and the PUCCH contains HARQ-ACK information corresponding to PDSCH reception.
  • Scenario 2 is for the access network device to send the PDSCH to the terminal device through the semi-static transmission paradigm, that is, after the terminal device receives the PDSCH, the UCI is then carried in the PUCCH and/or TBoMS and sent to the access network device, which satisfies the requirements of the PUCCH.
  • the time condition is that there is sufficient processing time between the last symbol of PDSCH and the first symbol of transmission of PUCCH and/or TBoMS, the PUCCH containing HARQ-ACK information corresponding to PDSCH reception.
  • TBoMS is transmitted through dynamic scheduling, that is, the terminal equipment receives After the PDCCH of the TBoMS is dynamically scheduled, the UCI is carried in the PUCCH and/or TBoMS and sent to the access network equipment.
  • the time condition for satisfying the TBoMS is the difference between the last symbol of the PDCCH and the first symbol of the PUCCH and/or TBoMS. sufficient processing time.
  • the above are the time conditions for satisfying PUCCH or TBoMS respectively. Satisfying the transmission time conditions for PUCCH and TBoMS can be understood that when the access network device sends both the PDCCH or PDSCH corresponding to the PUCCH to the terminal device, and the PDCCH corresponding to the TBoMS to the terminal device, When the terminal device sends the PUCCH and/or TBoMS to the access network device, the time condition must satisfy both the PUCCH transmission time condition and the TBoMS transmission time condition.
  • Another classification method is to determine the type of UCI according to the type of PUCCH carrying the UCI.
  • the first type of UCI is carried on periodic PUCCH or semi-persistent PUCCH, and the second type is carried on dynamically scheduled PUCCH.
  • FIG. 7 and FIG. 8 show the transmission scheme of PUCCH and TBoMS when the PUCCH and TBoMS carrying the first type of UCI overlap.
  • the first type of UCI can be multiplexed on the TBoMS through rate matching, or cancel the transmission of the PUCCH, or cancel the transmission TBoMS, where N is a positive integer, wherein the multiplexing of the first type of UCI on the TBoMS can be understood as that the first type of UCI is carried on the TBoMS, that is, the first type of UCI is carried on the TBoMS.
  • the multiplexing of the first type of UCI on the TBoMS may be to multiplex the first type of UCI on the transmission occasions corresponding to the overlapping parts of the PUCCH carrying the first type of UCI and the TBoMS, that is, at N transmission occasions
  • the first type of UCI is multiplexed, and the N transmission occasions are transmission occasions when the PUCCH and the TBoMS carrying the first type of UCI overlap in the time domain.
  • the multiplexing of the first type of UCI on the TBoMS may also be to start multiplexing the first type of UCI at the first transmission opportunity of the TBoMS.
  • the number of time-frequency resources of the TBoMS is the same as before
  • the method in the text is obtained. That is, according to the frequency domain resource position, coding and modulation method, the number of layers during MIMO transmission, the number of uplink symbols in overlapping transmission opportunities, and the number of overlapping transmission opportunities N between PUCCH and TBoMS in the transmission parameters of TBoMS, determine the corresponding TBoMS.
  • the number of time-frequency resources is, according to the frequency domain resource position, coding and modulation method, the number of layers during MIMO transmission, the number of uplink symbols in overlapping transmission opportunities, and the number of overlapping transmission opportunities N between PUCCH and TBoMS in the transmission parameters of TBoMS.
  • Case 1 when the number of time-frequency resources of TBoMS is greater than or equal to the number of time-frequency resources of the first type of UCI, the first type of UCI can pass rate matching at the transmission opportunity corresponding to the overlapping part of the PUCCH and TBoMS carrying the first type of UCI.
  • the first type of UCI is multiplexed, and TBoMS is sent.
  • the PUCCH carrying the first type of UCI may be a PUCCH after multiplexing of multiple PUCCHs, which is not limited in this embodiment of the present application.
  • FIG. 7 is a schematic diagram of a multiplexing scheme for the first type of UCI on the first PUSCH provided by an embodiment of the present application.
  • the transmission opportunity is taken as an example, and the subcarrier spacing of TBoMS and PUCCH are the same.
  • the terminal device receives the DCI scheduling PUCCH in the first downlink time slot, and receives the DCI scheduling TBoMS in the second downlink time slot, where TBoMS is scheduled for transmission in 4 uplink time slots, and PUCCH is scheduled in the first TBoMS. 2 uplink time slots for transmission. That is, the PUCCH and TBoMS carrying the first type of UCI overlap on the second uplink time slot, as shown in (a) of FIG. 7 .
  • the terminal equipment can multiplex the first type through rate matching on the overlapping timeslot of the PUCCH and TBoMS carrying the first type of UCI, that is, as shown in (b) of Figure 7, on the second uplink timeslot of the TBoMS.
  • UCI can be multiplex the first type through rate matching on the overlapping timeslot of the PUCCH and TBoMS carrying the first type of UCI, that is, as shown in (b) of Figure 7, on the second uplink timeslot of the TBoMS.
  • UCI UCI.
  • a specific implementation manner is that, according to the type of UCI, the above formulas (1) to (9) are selected to realize multiplexing of the first type of UCI.
  • the first type of UCI includes HARQ feedback information
  • CSI part 1 and CSI part 2 when performing rate matching, formulas (1), (4) and (5) are used to calculate the difference in the first type of UCI.
  • the output sequence is multiplexed onto the PUSCH.
  • the mapping rules of the first type of UCI on PUSCH have different mapping orders according to the bit size of the HARQ feedback information.
  • mapping rules shown in Figure 2 are used.
  • the mapping rule shown in FIG. 4 is used. The above steps realize multiplexing of the first type of UCI on the transmission opportunity corresponding to the overlapping portion of the PUCCH and TBoMS carrying the first type of UCI.
  • the terminal device sends PUCCH at the transmission opportunity corresponding to the overlapping part of TBoMS and PUCCH, and does not send TBoMS; or corresponds to the overlapping part of TBoMS and PUCCH.
  • the TBoMS is still sent on the transmission occasion of the TBoMS, and the PUCCH is canceled.
  • the terminal device sends PUCCH at the transmission opportunity corresponding to the overlapping part of TBoMS and PUCCH, but does not send TBoMS, which can be understood as sending PUCCH at the transmission opportunity corresponding to the overlapping part of TBoMS and PUCCH, and transmitting the non-TBoMS and PUCCH corresponding to the overlapping part.
  • the TBoMS is sent on the occasion.
  • the corresponding transmission occasion of the TBoMS is actually sending M transmission occasions, and M is a positive integer less than K, that is, the terminal device sends the TBoMS on the M transmission occasions, and sends the PUCCH on the K-M transmission occasions.
  • the UCI carried on the PUCCH is the first type of UCI.
  • the first type of UCI is multiplexed on the TBoMS by rate matching, which can effectively take into account the transmission performance of UCI and uplink data. If the number of time-frequency resources of TBoMS is less than the number of time-frequency resources of the first type of UCI, it is possible to flexibly choose to ensure the transmission performance of UCI or ensure the transmission performance of uplink data.
  • the number of time-frequency resources of the TBoMS is obtained through the foregoing method 2. That is, according to the frequency domain resource location, coding and modulation method, the number of layers during MIMO transmission, the number of uplink symbols in overlapping transmission opportunities, and the number of transmission opportunities K of TBoMS in the transmission parameters of TBoMS, determine the time corresponding to TBoMS. number of frequency resources.
  • Case 1 When the number of time-frequency resources of TBoMS is greater than or equal to the number of time-frequency resources of the first type of UCI, the first type of UCI can be multiplexed from the first transmission opportunity of the first PUSCH through rate matching. UCI.
  • the terminal device multiplexes the first type of UCI from the first transmission opportunity where the TBoMS is located according to the number of time-frequency resources of the first type of UCI actually calculated, where the first transmission opportunity may be the TBoMS
  • the first transmission opportunity during actual transmission may also be the first transmission opportunity on the TBoMS configured by the access network device for the terminal device, which is not limited in this embodiment of the present application.
  • the terminal device may multiplex the first type of UCI only on the first transmission occasion, or may also multiplex the first type of UCI on the first Z transmission occasions, where Z is a positive integer less than or equal to K;
  • the UCI of the first type may also be multiplexed on K transmission occasions; or, the UCI of the first type may also be multiplexed on the transmission occasions actually transmitted among the K transmission occasions. This embodiment of the present application does not limit this.
  • FIG. 8 is a schematic diagram of another first-type UCI multiplexing scheme on the first PUSCH provided by an embodiment of the present application.
  • the transmission opportunity is taken as an example, and the subcarrier spacing of TBoMS and PUCCH are the same.
  • the terminal equipment receives the DCI scheduling the first PUCCH on the first downlink time slot, receives the DCI scheduling the second PUCCH on the second downlink time slot, and receives the DCI scheduling TBoMS on the first special time slot .
  • TBoMS is scheduled for transmission on 4 uplink time slots
  • the first PUCCH is scheduled for transmission on the second uplink time slot
  • the second PUCCH is scheduled for transmission on the third uplink time slot.
  • the first type of UCI is carried on both the PUCCH and the second PUCCH.
  • the terminal equipment multiplexes the first type of UCI from the first time slot of the TBoMS through rate matching according to the number of time-frequency resources of the first type of UCI actually calculated. For example, as shown in (b) of FIG. 8 , the first type of UCI is multiplexed in the first uplink time slot and the second uplink time slot of the TBoMS.
  • the first type of UCI is multiplexed from the first time slot of TBoMS.
  • either joint coding or independent coding can be performed.
  • joint coding the number of coded modulation symbols is calculated.
  • the number of bits needs to be added up.
  • the same type of UCI in the first type of UCI can be understood as, the first PUCCH and the second PUCCH both carry the first type of UCI, and the UCIs in these two PUCCHs belong to the first type, but the UCI carried in different PUCCHs are specific.
  • the types can be the same or different.
  • the first type of UCI carried in the first PUCCH has HARQ feedback information
  • the first type of UCI carried in the second PUCCH also has HARQ feedback information.
  • Such UCI can be understood It is the same type of UCI in the first type of UCI.
  • the HARQ feedback information is mapped from 10 of each time slot, that is, from the first one after the DMRS symbol of each time slot Symbol starts mapping; CSI starts mapping from the first symbol that does not carry DMRS in each time slot, and the above formulas (1) to (9) can be selected according to the type of UCI to realize the multiplexing of the first type of UCI.
  • the specific implementation is the same as that in the foregoing description, and the method for realizing the multiplexing of the first type of UCI in (b) of FIG. 7 is the same, and in order to avoid repetition, it is not repeated here.
  • the HARQ feedback information is mapped from 10 of the first slot, that is, after the DMRS symbol of the first slot.
  • the first symbol is mapped;
  • CSI is mapped from the first symbol that does not carry DMRS in the first slot, and the rate matching formula needs to be transformed as follows.
  • the coded modulation symbols of each layer used for the transmission of HARQ feedback information are as shown in formula (10). Show.
  • Equation (1) The difference between Equation (1) and Equation (10) is that the second part of Equation (10) is the upper limit ratio ⁇ of coded modulation symbols mapped to each time slot on TBoMS according to UCI, that is, the scaling parameter ⁇ , and the corresponding TBoMS
  • the number of time slots, K determines the upper limit of the coded modulation symbols of the HARQ feedback information, where, is the total number of resource elements that can be used to transmit HARQ-ACK on TBoMS, where 10 is the symbol index of the first symbol that does not carry the first DMRS after the symbol of the first DMRS; in addition, It is defined as the number of OFDM symbols transmitted by TBoMS, that is, the total number of OFDM symbols on K transmission opportunities.
  • each layer of coded modulation symbols used for CG-UCI transmission is shown in equation (11).
  • each layer of coded modulation symbols used for HARQ feedback information transmission is shown in formula (12).
  • the CSI information consists of CSI part 1 and CSI part 2, the number of coded modulation symbols per layer of CSI part 1 is calculated by formula (4), and the number of coded modulation symbols of each layer of CSI part 2 is calculated by formula (5).
  • the coded modulation symbols of each layer used for the transmission of HARQ feedback information are as shown in Equation (13). Show.
  • the CSI information consists of CSI part 1 and CSI part 2.
  • the number of coded modulation symbols in each layer of CSI part 1 is calculated by formula (7), and the number of coded modulation symbols in each layer of CSI part 2 is calculated by formula (8). If it is determined that there is no CSI part 2, the number of coded modulation symbols per layer of CSI part 1 is calculated by formula (9).
  • the terminal device maps different types of UCIs in the first type of UCIs according to the above formula, starting from the first time slot of the TBoMS until the first type of UCIs are mapped.
  • mapping rules of the first type of UCI on TBoMS refer to the mapping rules of UCI and UL-SCH on PUSCH in FIG. 2 to FIG. 4 .
  • the terminal device sends PUCCH at the transmission opportunity where PUCCH is located, and does not send TBoMS at the transmission opportunity where TBoMS is located; or
  • the TBoMS is sent at the transmission opportunity, that is, a PUSCH transmission block is transmitted in K time slots, and the transmission of the PUCCH is canceled.
  • the UCI carried on the PUCCH is the first type of UCI.
  • the first type of UCI is multiplexed on the TBoMS by rate matching, which can effectively take into account the transmission performance of UCI and uplink data. If the number of time-frequency resources of TBoMS is less than the number of time-frequency resources of the first type of UCI, it is possible to flexibly choose to ensure the transmission performance of UCI or ensure the transmission performance of uplink data.
  • FIG. 9 and FIG. 10 show the scheme of multiplexing the second type of UCI on the TBoMS when the PUCCH and TBoMS carrying the second type of UCI overlap.
  • the second type of UCI can be multiplexed on the TBoMS, or the transmission of the PUCCH or the transmission of the TBoMS can be cancelled, where N is a positive integer.
  • the multiplexing of the second type of UCI on the TBoMS may be that the second type of UCI may puncture the transmission opportunities corresponding to the overlapping parts of the TBoMS and the PUCCH, that is, on the N overlapping transmission opportunities of the TBoMS and the PUCCH.
  • Punch holes, N is a positive integer.
  • the second type of UCI punctures the transmission opportunities corresponding to the overlapping parts of TBoMS and PUCCH, and the second type of UCI covers the original UL-SCH on the N transmission occasions corresponding to the overlapping part according to the number of bits of the second type of UCI.
  • the reason why the UCI of the second type is punctured on the transmission opportunity corresponding to the overlapping part of TBoMS and PUCCH is that the terminal device does not have enough time to map the UCI of the second type and the UL-SCH on the transmission opportunity corresponding to the overlapping part through rate matching.
  • the terminal device defines the time condition for puncturing according to the position of the scheduled transmission opportunity of the PUCCH, the processing time of the terminal device, and the start symbol position of the transmission opportunity corresponding to the overlapped part.
  • the second type of UCI is punctured at the transmission opportunity corresponding to the overlapping portion of TBoMS and PUCCH, it needs to meet the defined puncturing time condition.
  • the number of time-frequency resources of the TBoMS is obtained through the foregoing method 1. That is, according to the frequency domain resource position, coding and modulation method, the number of layers during MIMO transmission, the number of uplink symbols in overlapping transmission opportunities, and the number of overlapping transmission opportunities N between PUCCH and TBoMS in the transmission parameters of TBoMS, determine the corresponding TBoMS. The number of time-frequency resources.
  • the second type of UCI may puncture the transmission opportunity corresponding to the overlapping portion of the PUCCH and TBoMS carrying the second type of UCI.
  • FIG. 9 is a schematic diagram of a multiplexing scheme of the second type of UCI on the first PUSCH provided by an embodiment of the present application.
  • the transmission opportunity is taken as an example, and the subcarrier spacing of TBoMS and PUCCH are the same.
  • the terminal equipment receives the DCI for scheduling TBoMS in the third downlink time slot, and receives the DCI for scheduling PUCCH in the second downlink time slot, where TBoMS is scheduled for transmission in 4 uplink time slots, and PUCCH is scheduled in the third time slot of TBoMS. transmitted on upstream time slots. That is, the PUCCH and TBoMS carrying the first type of UCI overlap on the third uplink time slot, as shown in (a) of FIG. 9 .
  • the terminal equipment can puncture the second type of UCI on the overlapping time slot of the PUCCH carrying the second type of UCI and the TBoMS, that is, the second type of UCI is punctured in the third uplink time slot of the TBoMS, as shown in Figure 9 ( b), the TBoMS is sent.
  • the terminal device sends PUCCH at the transmission opportunity corresponding to the overlapping part of TBoMS and PUCCH, and does not send TBoMS; or corresponds to the overlapping part of TBoMS and PUCCH.
  • the TBoMS is still sent on the transmission occasion of the TBoMS, and the PUCCH is canceled.
  • FIG. 10 is a schematic diagram of another second-type UCI multiplexing scheme on the first PUSCH provided by the embodiment of the present application.
  • the transmission opportunity is taken as an example, and the subcarrier intervals of TBoMS and PUCCH are different.
  • the subcarrier spacing of PUCCH is twice the subcarrier spacing of PUCCH, and the duration of one slot of PUCCH is twice the duration of one slot of TBoMS.
  • the terminal equipment receives the DCI scheduling TBoMS in the second downlink time slot, and receives the DCI scheduling PUCCH in the third downlink time slot.
  • TBoMS is scheduled to be transmitted on 4 uplink time slots
  • PUCCH is scheduled to be transmitted on the 3rd and 4th uplink time slots of TBoMS. That is, the PUCCH and TBoMS carrying the first type of UCI overlap on the third and fourth uplink time slots of TBoMS, as shown in (a) of FIG. 10 .
  • the terminal device sends PUCCH on the time slot corresponding to the overlapping part of TBoMS and PUCCH, but does not send TBoMS.
  • the third and fourth overlapping TBoMS and PUCCH The PUCCH is transmitted on the 3rd and 4th uplink timeslots, and the TBoMS is not transmitted on the 3rd and 4th uplink timeslots, and only part of the TBoMS is transmitted on the 1st and 2nd uplink timeslots.
  • the terminal device still sends TBoMS on the time slot corresponding to the overlapping part of TBoMS and PUCCH, but does not send PUCCH, as shown in (c) of FIG. 10, when the first to fourth uplink Send TBoMS on the slot, cancel the transmission of the PUCCH that originally needs to be transmitted on the 3rd and 4th uplink time slots.
  • the UCI carried on the PUCCH is the second type of UCI.
  • the number of time-frequency resources of TBoMS is greater than or equal to the number of time-frequency resources of the second type of UCI, and the second type of UCI is punctured at the transmission opportunity corresponding to the overlapping part of the PUCCH and TBoMS carrying the second type of UCI, you can Allows the terminal device to effectively take into account the transmission performance of UCI and uplink data in the limited processing time. If the number of time-frequency resources of TBoMS is less than the number of time-frequency resources of the first type of UCI, it can flexibly choose to guarantee the transmission performance of UCI or guarantee the uplink. data transfer performance.
  • FIG. 11 to FIG. 13 show transmission schemes of PUCCH and TBoMS when the PUCCH carrying the second type of UCI and the PUCCH carrying the first type of UCI and TBoMS overlap.
  • FIG. 11 shows a possible solution for a terminal device to transmit PUCCH or TBoMS when the PUCCH carrying the first type of UCI and the PUCCH carrying the second type of UCI are not scheduled on the same transmission occasion.
  • the terminal equipment does not expect the PUCCH carrying the UCI of the second type, and is scheduled at the transmission timing of the PUCCH carrying the UCI of the first type, that is, the access network equipment will not send the PUCCH carrying the UCI of the second type and the PUCCH carrying the UCI of the first type to the terminal equipment. Scheduling information for UCI-like PUCCH scheduling on the same transmission occasion.
  • the terminal equipment will not allow the second type of UCI to puncture the transmission opportunity corresponding to the first type of UCI that has been multiplexed through rate matching.
  • the terminal device may transmit the TBoMS and/or the PUCCH through the foregoing scheme for the first type of UCI multiplexing on the TBoMS, which is not repeated here in order to avoid repetition.
  • the terminal device can transmit TBoMS and/or PUCCH through the scheme of multiplexing the second type of UCI on the TBoMS. To avoid repetition, it will not be repeated here.
  • the second type of UCI cannot be multiplexed with the transmission of the first type of UCI. Punch holes in time.
  • FIG. 11 is a schematic diagram of a multiplexing scheme of the first type of UCI and the second type of UCI on the first PUSCH provided by the embodiment of the present application.
  • the interval is the same.
  • the terminal device receives and schedules the DCI of the PUCCH carrying the first type of UCI in the first downlink time slot, and the PUCCH carrying the first type of UCI is the first PUCCH in (a) of FIG.
  • TBoMS is scheduled to be transmitted on 4 uplink time slots
  • the first PUCCH is scheduled to be transmitted on the first uplink time slot of TBoMS.
  • the PUCCH carrying the first type of UCI overlaps with the TBoMS on the first uplink time slot; the second PUCCH is scheduled to be transmitted on the third uplink time slot of the TBoMS. That is, the PUCCH and TBoMS carrying the second type of UCI overlap on the third uplink time slot, as shown in (a) of FIG. 11 .
  • the access network device does not schedule the PUCCH carrying the UCI of the second type and the PUCCH carrying the UCI of the first type on the same transmission occasion.
  • the terminal equipment can multiplex the first type of UCI through rate matching on the overlapping time slot of the PUCCH carrying the first type of UCI and the TBoMS, that is, on the first uplink time slot of the TBoMS, as shown in (b) of Figure 11. Show.
  • the terminal equipment can puncture the second type of UCI on the overlapping time slot of the PUCCH and TBoMS carrying the second type of UCI, that is, on the third uplink time slot of TBoMS, as shown in (b) of Figure 11, send TBoMS. It should be understood that the multiplexing manner of the first type of UCI and the second type of UCI on TBoMS shown in (b) of FIG. 11 is only an example.
  • the terminal device does not expect the PUCCH carrying the second type of UCI, and schedules the PUCCH carrying the first type of UCI at the transmission opportunity, which can prevent the second type of UCI from puncturing the first type of UCI and reduce the occupation at the same time.
  • the number of symbols of the UL-SCH that is, to ensure the transmission performance of the first type of UCI and the UL-SCH.
  • FIG. 12 and FIG. 13 show possible solutions for the terminal equipment to transmit PUCCH or TBoMS when the PUCCH carrying the first type of UCI and the PUCCH carrying the second type of UCI are scheduled on the same transmission occasion
  • the terminal device can determine the transmission mode of the first type of UCI and the second type of UCI.
  • the terminal device may first perform rate matching to multiplex the first type of UCI on the TBoMS, and then puncture the second type of UCI after the number of time-frequency resources corresponding to the first type of UCI.
  • FIG. 12 is a schematic diagram of another scheme of multiplexing the first type of UCI and the second type of UCI on the first PUSCH in the embodiment of the present application.
  • the transmission opportunity is taken as the time slot as an example.
  • the interval is the same.
  • the terminal device receives and schedules the DCI of the PUCCH carrying the first type of UCI in the first downlink time slot, and the PUCCH carrying the first type of UCI is the first PUCCH in (a) of FIG.
  • Receive the DCI scheduling the PUCCH carrying the second type of UCI the PUCCH carrying the second type UCI is the second PUCCH in FIG. 12(a)
  • receive the DCI scheduling TBoMS in the second downlink time slot Among them, TBoMS is scheduled for transmission on 4 uplink time slots, the first PUCCH is scheduled for transmission on the third uplink time slot of TBoMS, and the second PUCCH is also scheduled for transmission on the third uplink time slot of TBoMS .
  • the PUCCH carrying the first type of UCI, the PUCCH carrying the second type of UCI and the TBoMS overlap on the same time slot, that is, on the third uplink time slot, as shown in (a) of FIG. 12 .
  • the access network device schedules the PUCCH carrying the second type of UCI and the PUCCH carrying the first type of UCI on the same transmission occasion.
  • the terminal equipment can multiplex the first type of UCI through rate matching on the overlapping time slot of the PUCCH and TBoMS carrying the first type of UCI, that is, on the third uplink time slot of the TBoMS, and the second type of UCI in the fourth Punch holes in the uplink time slot, as shown in (b) of FIG. 12 .
  • the terminal device can first use rate matching to multiplex the first type of UCI on the TBoMS, and then put the second type of UCI on the resource unit corresponding to the HARQ feedback information in the first type of UCI except for the HARQ feedback information. hole.
  • the fact that the second type of UCI is punctured in the resource units corresponding to the HARQ feedback information can be understood as the fact that the second type of UCI can be punctured in the resource units corresponding to the first type of UCI, but cannot be used for HARQ feedback in the first type of UCI. Punch holes in the time-frequency resources corresponding to the information.
  • the terminal device may puncture the time-frequency resources corresponding to the UL-SCH.
  • the transmission opportunity is taken as an example, and the subcarrier spacing of TBoMS and PUCCH are the same.
  • FIG. 12(a) The scheduling situation received by the terminal device is the same as that of FIG. 12(a), that is, FIG. 13(a) is the same as FIG. 12(a).
  • the terminal equipment can multiplex the first type of UCI through rate matching on the overlapping time slot of the PUCCH carrying the first type of UCI and the TBoMS, that is, on the third uplink time slot of the TBoMS, and the second type of UCI in the first type of UCI. Punch holes in the time slot where the UCI is located, but skip the number of time-frequency resources corresponding to the first type of UCI, and directly punch the number of time-frequency resources corresponding to the UL-SCH on the third uplink time slot, as shown in Figure 13 ( b) shown.
  • the second type of UCI may also puncture the number of time-frequency resources corresponding to the UL-SCH and CSI part 2 in the transmission occasion where the first type of UCI is located.
  • the second type of UCI may also puncture the number of time-frequency resources corresponding to the UL-SCH and CSI in the transmission occasion where the first type of UCI is located.
  • the second type of UCI may also start puncturing forward at the last symbol in the transmission occasion where the first type of UCI is located. For example, the puncturing starts from the 14th symbol from the back to the front, or the puncturing starts from the first symbol after the last group of consecutive symbols carrying DMRS.
  • the terminal device reserves resources for the HARQ feedback information, and the second type of UCI can be reserved first. Punch holes on the number of time-frequency resources.
  • the non-repetitive PUCCH carrying the first type of UCI when the non-repetitive PUCCH carrying the first type of UCI, the non-repetitive PUCCH carrying the second type UCI and the TBoMS of the same priority overlap at the same transmission timing, the first type of UCI and the second type of UCI are overlapped.
  • UCI satisfies different conditions, and according to the number of time-frequency resources of the first type of UCI and the second type of UCI and the number of time-frequency resources of TBoMS, the first type of UCI is multiplexed on TBoMS through rate matching, and the second type of UCI is multiplexed on TBoMS through rate matching.
  • the terminal device does not expect that the DCI for scheduling the PUCCH indicates the PUCCH, and the DCI for scheduling the first PUSCH indicates the PUSCH to overlap in the time domain.
  • the terminal device determines that the UCI carried on the PUCCH is not multiplexed for transmission on the first PUSCH, and the terminal device sends the PUCCH and First PUSCH.
  • the aperiodic CSI report can be triggered to be sent on the PUSCH.
  • the embodiment of the present application provides a multiplexing method when the aperiodic CSI report is triggered on the first PUSCH, where the first PUSCH is transmitted at K transmission occasions One PUSCH transport block, and only one TB CRC is attached.
  • the first PUSCH may be called TBoMS, and the first PUSCH may also have other names, which are not limited in this embodiment of the present application.
  • FIG. 14 is a schematic flowchart of another information sending method provided by an embodiment of the present application.
  • the wireless access network device sends transmission parameters of the first PUSCH to the terminal device, where the transmission parameters of the first PUSCH include the number K of transmission occasions, where K is a positive integer greater than or equal to 2, and the first PUSCH is on K transmission occasions Only one transport block TB is included in the CRC attachment.
  • the transmission parameters of the first PUSCH may be carried in the physical layer indication DCI, or in other messages that can transmit the transmission parameters of the first PUSCH, which are not limited in this embodiment of the present application.
  • the physical layer indicates that the DCI can also carry the transmission parameters of aperiodic CSI, wherein the transmission parameters of the aperiodic CSI and the transmission parameters of the first PUSCH are carried in the same message, and the transmission parameters of the aperiodic CSI are carried in the same message. It is used to indicate that the terminal equipment is multiplexed with aperiodic CSI on the first PUSCH.
  • the terminal device does not expect the physical layer indicating the DCI carrying the transmission parameters of the first PUSCH, and simultaneously carries the transmission parameters of the aperiodic CSI. That is, the access network device will not send the DCI that simultaneously carries the transmission parameters of the first PUSCH and the aperiodic CSI to the terminal device.
  • TBoMS represents the first PUSCH
  • first PUSCH may also have other names, which are not limited in this embodiment of the present application.
  • the transmission parameters of TBoMS may include at least one of the following parameters: frequency domain resource location, subcarrier spacing configuration ⁇ , coding and modulation method, number of layers during MIMO transmission, scaling parameter ⁇ , code rate offset factor ⁇ offset , TBoMS priority level index and number K of TBoMS transmission occasions. It should be understood that these parameters are the transmission parameters of the TBoMS involved in the embodiments of the present application, not all the transmission parameters of the TBoMS.
  • the terminal device can determine the number of physical resource blocks for sending TBoMS and the position of each physical resource block according to the location of the frequency domain resources.
  • the terminal device can determine the modulation mode and coding rate of TBoMS transmission according to the coding and modulation mode.
  • the terminal device can determine the number of coded modulation symbols for each layer of different types of UCI when the UCI is multiplexed on the TBoMS according to the number of layers during MIMO transmission, the scaling parameter ⁇ and the code rate offset factor ⁇ offset .
  • the terminal device may determine the priority information of the TBoMS according to the TBoMS priority index, where the TBoMS priority index may include priority index 0 or priority index 1.
  • the terminal device may determine that a PUSCH transmission block is to be transmitted on K transmission occasions according to the number K of continuous transmission occasions for TBoMS transmission, and the transmission occasions may include time slots or transmission occasions.
  • the transmission opportunity may include one or more time slots, and may also include one time slot or part of symbols in multiple time slots.
  • one transmission opportunity may include the third symbol to the twelfth symbol.
  • the number of symbols included in the timing and the symbol positions are not limited.
  • the first PUSCH has only one transport block TB CRC attached on K transmission occasions, which can be understood as the first PUSCH only transmits one PUSCH transport block on K transmission occasions, and there is only one PUSCH Transport block CRC is attached.
  • the terminal device sends the first PUSCH according to the transmission parameter of the first PUSCH, wherein the first PUSCH multiplexes the aperiodic channel state information CSI.
  • the multiplexing manner of the aperiodic CSI on the TBoMS that is, the multiplexing manner of the aperiodic CSI on the first PUSCH will be described in detail below with reference to FIG. 15 to FIG. 17 .
  • the time slot diagrams shown in Figures 15 to 17 are part of the time slots with the frame structure of DSUUD intercepted, the downlink time slots are numbered from left to right, and there are a total of 5 downlink time slots; The slots are numbered, and there are a total of 2 special time slots; the uplink time slots are numbered from left to right, and there are a total of 4 downlink time slots.
  • the terminal device may multiplex aperiodic CSI on the first transmission occasion corresponding to the first PUSCH.
  • FIG. 15 is a schematic diagram of a multiplexing manner of aperiodic CSI on the first PUSCH provided by an embodiment of the present application.
  • a transmission opportunity is taken as a time slot as an example.
  • the terminal device receives the DCI scheduling TBoMS in the second downlink time slot, wherein the TBoMS is scheduled to be transmitted on 4 uplink time slots, and the DCI includes transmission parameters of aperiodic CSI and transmission parameters of TBoMS.
  • the terminal equipment multiplexes aperiodic CSI in the first uplink time slot in TBoMS, as shown in Figure 15, and then sends TBoMS.
  • the terminal device may start multiplexing the aperiodic CSI from the first transmission opportunity corresponding to the first PUSCH until the aperiodic CSI bit mapping ends.
  • the terminal device may multiplex the aperiodic CSI from the first transmission opportunity where the TBoMS is located according to the actual number of aperiodic CSI time-frequency resources.
  • FIG. 16 is a schematic diagram of another multiplexing manner of aperiodic CSI on the first PUSCH provided by an embodiment of the present application.
  • a transmission opportunity is taken as a time slot as an example.
  • the terminal device receives the DCI scheduling TBoMS in the second downlink time slot, wherein the TBoMS is scheduled to be transmitted on 4 uplink time slots, and the DCI includes transmission parameters of aperiodic CSI and transmission parameters of TBoMS.
  • the terminal equipment multiplexes the aperiodic CSI from the first uplink time slot of the TBoMS through rate matching until the aperiodic CSI mapping ends. As shown in Figure 16, the aperiodic CSI is in the On the first 2 uplink time slots, TBoMS is then sent.
  • the terminal device may start multiplexing aperiodic CSI at each transmission opportunity corresponding to the first PUSCH, wherein the terminal device may allocate the aperiodic CSI to each transmission opportunity of the first PUSCH, Alternatively, the aperiodic CSI may be repeatedly multiplexed on each transmission occasion of the first PUSCH.
  • FIG. 17 is a schematic diagram of another multiplexing manner of aperiodic CSI on the first PUSCH provided by an embodiment of the present application.
  • a transmission opportunity is taken as an example as a time slot.
  • the terminal device receives the DCI scheduling TBoMS in the second downlink time slot, wherein the TBoMS is scheduled to be transmitted in 4 uplink time slots, and the DCI includes the transmission parameters of the aperiodic CSI and the transmission parameters of the TBoMS.
  • the terminal equipment uses rate matching to equally apportion and map the aperiodic CSI to the 1st to 4th uplink time slots of TBoMS, or repeatedly multiplex the aperiodic CSI to TBoMS On the 1st to 4th uplink time slots of TBoMS, that is, in the 1st to 4th uplink time slots of TBoMS, the aperiodic CSI multiplexed in each uplink time slot is the same, as shown in Figure 17 , then send TBoMS.
  • the periodic CSI is multiplexed on TBoMS by means of rate matching, which can simultaneously ensure the transmission of aperiodic CSI and UL-SCH on TBoMS to a certain extent. transmission performance.
  • FIG. 18 is a schematic block diagram of a terminal device 1800 provided by an embodiment of the present application. As shown in FIG. 18 , the terminal device includes: a processing unit 1801 and a transceiver unit 1802 .
  • the transceiver unit 1802 is configured to receive the transmission parameters of the uplink control information UCI, wherein the UCI is carried on the physical uplink control channel PUCCH, and the PUCCH is not configured to be repeated; the transceiver unit 1802 is further configured to receive the transmission parameters of the first physical uplink shared channel PUSCH, the first physical uplink shared channel PUSCH.
  • the transmission parameters of a PUSCH include the number K of transmission occasions, where K is a positive integer greater than or equal to 2, and the first PUSCH only includes one transport block TB CRC attachment on the K transmission occasions, where the first PUSCH The same as the physical layer priority of the PUCCH, the first PUSCH and the PUCCH overlap in the time domain; the processing unit 1801 is configured to determine the number of time-frequency resources of the UCI and the number of time-frequency resources of the first PUSCH according to the transmission parameters of the UCI and the transmission parameters of the first PUSCH. Number of time-frequency resources; according to the number of time-frequency resources of UCI and the number of time-frequency resources of the first PUSCH, the transceiver unit 1801 is configured to transmit the PUCCH and/or the first PUSCH.
  • the transceiver unit 1801 is used to perform the receiving or sending actions in the foregoing method embodiments, and the processing unit 1802 is used to perform the actions of determining and multiplexing in the foregoing method embodiments.
  • FIG. 19 is a schematic block diagram of an access network device 1900 provided by an embodiment of the present application. As shown in FIG. 19 , the access network device includes: a receiving unit 1901 and a sending unit 1902 .
  • the receiving unit 1901 is used to receive the transmission parameters of the uplink control information UCI, wherein the UCI is carried on the physical uplink control channel PUCCH, and the PUCCH is not configured to be repeated; the sending unit 1902 is used to send the transmission parameters of the first physical uplink shared channel PUSCH, the first The transmission parameters of the PUSCH include the number K of transmission opportunities, where K is a positive integer greater than or equal to 2, wherein the first PUSCH and the PUCCH have the same physical layer priority, and the first PUSCH and the PUCCH overlap in the time domain; the receiving unit 1901 also uses For receiving the PUCCH and/or the first PUSCH, the first PUSCH includes only one transport block TB CRC attached at M transmission occasions, where M is a positive integer less than or equal to K.
  • FIG. 20 is a schematic block diagram of another terminal device 2000 provided by an embodiment of the present application. As shown in FIG. 20 , the terminal device includes: a processing unit 2001 and a transceiver unit 2002 .
  • the transceiver unit 2002 is configured to receive transmission parameters of the first physical uplink shared channel PUSCH, where the transmission parameters of the first PUSCH include the number of transmission occasions K, where K is a positive integer greater than or equal to 2, and the first PUSCH is in the K Each transmission opportunity includes only one transport block TB CRC attachment; according to the transmission parameters of the first PUSCH, the transceiver unit 2002 is configured to send the first PUSCH, and the first PUSCH multiplexes the Aperiodic channel state information CSI.
  • multiplexing the aperiodic channel state information CSI for the first PUSCH includes: the processing unit 2001 is configured to multiplex the aperiodic CSI on the first transmission opportunity corresponding to the first PUSCH.
  • multiplexing the aperiodic channel state information CSI for the first PUSCH includes: the processing unit 2001 is configured to start multiplexing the aperiodic CSI from the first transmission opportunity corresponding to the first PUSCH.
  • determining that the aperiodic CSI is carried on the first PUSCH includes: the processing unit 2001 is configured to multiplex the aperiodic CSI on each transmission opportunity corresponding to the first PUSCH.
  • FIG. 21 is a schematic block diagram of another access network device 2100 provided by an embodiment of the present application. As shown in FIG. 21 , the access network device includes: a receiving unit 2101 and a sending unit 2102 .
  • the sending unit 2102 is configured to send the transmission parameters of the first physical uplink shared channel PUSCH.
  • the transmission parameters of the first PUSCH include the number of transmission occasions K, where K is a positive integer greater than or equal to 2, and the first PUSCH only includes K transmission occasions.
  • a transport block TB cyclic redundancy check code CRC is attached; the receiving unit 2101 is used to receive the first PUSCH, the first PUSCH multiplexes the aperiodic channel state information CSI, and the first PUSCH has only one transport block TB cycle in K transmission opportunities Redundancy Check Code CRC is attached.
  • FIG. 22 is a schematic block diagram of a wireless communication apparatus provided by an embodiment of the present application.
  • the processing unit 1801 in FIG. 18 may be the processor 2202 in FIG. 22
  • the transceiver unit 1802 in FIG. 18 may be the communication interface 2201 in FIG. 22 , as shown in FIG. 22 . shown.
  • the receiving unit 1901 and the sending unit 1902 in FIG. 19 may be the communication interface 2210 in FIG. 22 .
  • the communication apparatus 2200 may further include a processor 2220 and a memory. 2230 and bus 2240, as shown in Figure 22.
  • the wireless communication apparatus shown in FIG. 22 may include: a communication interface 2210 , a processor 2220 , a memory 2230 and a bus 2240 .
  • the communication interface 2210, the processor 2220 and the memory 2230 are connected through a bus 2240, the memory 2230 is used for storing instructions, the processor 2220 is used for executing the instructions stored in the memory 2230, and the communication interface 2210 is used for sending and receiving information.
  • the memory 2230 can either be coupled with the processor 2220 through an interface, or can be integrated with the processor 2220 .
  • each step of the above-mentioned method can be completed by an integrated logic circuit of hardware in the processor 2220 or an instruction in the form of software.
  • the methods disclosed in conjunction with the embodiments of the present application may be directly embodied as executed by a hardware processor, or executed by a combination of hardware and software modules in the processor.
  • the software modules may be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other storage media mature in the art.
  • the storage medium is located in the memory 2230, and the processor 2220 reads the information in the memory 2230, and completes the steps of the above method in combination with its hardware. To avoid repetition, detailed description is omitted here.
  • the embodiments of the present application also provide a computer-readable medium, where the computer-readable medium stores a computer program (also referred to as code, or instruction), when it runs on a computer, so that the computer executes any of the foregoing method embodiments method in .
  • a computer program also referred to as code, or instruction
  • An embodiment of the present application also provides a chip system, including a memory and a processor, where the memory is used to store a computer program, and the processor is used to call and run the computer program from the memory, so that a communication device installed with the chip system executes The method in any of the above method embodiments.
  • the chip system may include an input circuit or interface for sending information or data, and an output circuit or interface for receiving information or data.
  • An embodiment of the present application further provides a communication system, including: a communication apparatus for executing the method in any of the foregoing embodiments.
  • the memory may include a read-only memory and a random access memory, and provide instructions and data to the processor.
  • a portion of the processor may also include non-volatile random access memory.
  • the processor may also store device type information.
  • the size of the sequence numbers of the above-mentioned processes does not mean the order of execution, and the execution order of each process should be determined by its functions and internal logic, and should not be dealt with in the embodiments of the present application. implementation constitutes any limitation.
  • a component may be, but is not limited to, a process running on a processor, a processor, an object, an executable, a thread of execution, a program, and/or a computer.
  • an application running on a computing device and the computing device may be components.
  • One or more components may reside within a process and/or thread of execution, and a component may be localized on one computer and/or distributed between 2 or more computers.
  • these components can execute from various computer readable media having various data structures stored thereon.
  • a component may, for example, be based on a signal having one or more data packets (eg, data from two components interacting with another component between a local system, a distributed system, and/or a network, such as the Internet interacting with other systems via signals) Communicate through local and/or remote processes.
  • data packets eg, data from two components interacting with another component between a local system, a distributed system, and/or a network, such as the Internet interacting with other systems via signals
  • the functions, if implemented in the form of software functional units and sold or used as independent products, may be stored in a computer-readable storage medium.
  • the technical solution of the present application can be embodied in the form of a software product in essence, or the part that contributes to the prior art or the part of the technical solution, and the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program codes .

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

Abstract

La présente demande concerne un procédé d'envoi d'informations, un procédé de réception d'informations et un appareil de communication. Le procédé d'envoi d'informations consiste à : recevoir des paramètres de transmission d'UCI, un PUCCH transportant les UCI, et le PUCCH n'étant pas configuré de façon répétée ; recevoir les paramètres de transmission d'un premier PUSCH comprenant un nombre K d'occasions de transmission, K étant un nombre entier positif supérieur ou égal à 2, et le premier PUSCH comprenant uniquement un rattachement de contrôle de redondance cyclique de bloc de transmission sur les K occasions de transmission, et les priorités de couche physique du premier PUSCH et du PUCCH étant identiques et se chevauchant dans le domaine temporel ; déterminer, en fonction des paramètres de transmission des UCI et des paramètres de transmission du premier PUSCH, le nombre de ressources temps-fréquence des UCI et le nombre de ressources temps-fréquence du premier PUSCH ; et envoyer le PUCCH et/ou le premier PUSCH en fonction du nombre de ressources temps-fréquence des UCI et du nombre de ressources temps-fréquence du premier PUSCH, ce qui permet de garantir les performances de transmission des UCI et des données de liaison montante sur le premier PUSCH.
PCT/CN2022/084021 2021-04-02 2022-03-30 Procédé d'envoi d'informations, procédé de réception d'informations et appareil de communication WO2022206827A1 (fr)

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