WO2022188724A1 - Procédé et appareil pour déterminer une ressource de transmission de canal de liaison montante physique - Google Patents

Procédé et appareil pour déterminer une ressource de transmission de canal de liaison montante physique Download PDF

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Publication number
WO2022188724A1
WO2022188724A1 PCT/CN2022/079461 CN2022079461W WO2022188724A1 WO 2022188724 A1 WO2022188724 A1 WO 2022188724A1 CN 2022079461 W CN2022079461 W CN 2022079461W WO 2022188724 A1 WO2022188724 A1 WO 2022188724A1
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Prior art keywords
time slot
time
physical uplink
uplink channel
symbols
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PCT/CN2022/079461
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English (en)
Chinese (zh)
Inventor
刘云
薛祎凡
李强
薛丽霞
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华为技术有限公司
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Priority claimed from CN202110346781.XA external-priority patent/CN115087109A/zh
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2022188724A1 publication Critical patent/WO2022188724A1/fr

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

Definitions

  • the present application relates to the field of communications, and more particularly, to a method and apparatus for determining transmission resources of a physical uplink channel.
  • the downlink transmission is the transmission from the network device to the terminal device
  • the uplink transmission is the transmission from the terminal device to the network device. Due to the relatively high cost of network equipment, the coverage of downlink transmission is generally higher than that of uplink transmission. Therefore, Coverage Enhancement (CE) mainly focuses on how to improve the coverage of uplink transmission.
  • CE Coverage Enhancement
  • the coverage of uplink transmission can be improved by increasing the repetition times of uplink transmission. Specifically, when the uplink transmission needs to be repeated, it is often judged whether the uplink transmission can be carried on the current time slot, which may cause the repetition times of the uplink transmission to be unsatisfactory.
  • the present application provides a method and a device for determining transmission resources of a physical uplink channel.
  • the method can determine the time slot carrying the physical uplink channel before transmitting the physical uplink channel for the first time, so as to ensure the number of repeated transmissions of the physical uplink channel. fulfil requirements.
  • a first aspect provides a method for determining transmission resources of a physical uplink channel, comprising: determining a first moment according to first information, wherein the first information is used to indicate transmission of a physical uplink channel, and the first information is Configured by a higher layer or indicated by the first dynamic information, the first moment is earlier than the first symbol or time slot carrying the physical uplink channel; the physical uplink is sent on at least one of the P time slots channel, the P is a positive integer, the P time slots are determined according to the first RRC and/or the second dynamic information at the first moment, wherein the first RRC information is used to indicate the P All symbols in the number of time slots, the second dynamic information is used to determine all the symbols or part of the symbols in the P number of time slots, and one of the symbols is an uplink symbol, a downlink symbol or a flexible symbol.
  • the first information is used to indicate the transmission of the physical uplink channel, and the first time is earlier than the first symbol or time slot carrying the physical uplink channel and send the physical uplink channel on at least one of the P time slots determined according to the first RRC and/or the second dynamic information at the first moment, where P is a positive integer, wherein the first RRC information is used to indicate P
  • the second dynamic information is used to determine all the symbols or part of the symbols in the P time slots, and one of the symbols is an uplink symbol, a downlink symbol or a flexible symbol.
  • the time slot carrying the physical uplink channel before the first symbol or time slot carrying the physical uplink channel, so as to avoid the problem of insufficient time slots carrying the physical uplink channel due to the first RRC and/or the second dynamic information.
  • the problem is to ensure that the number of repeated transmissions of the physical uplink channel meets the requirements.
  • the first part of the time slots of the P time slots is determined according to the first RRC information and the second dynamic information; and/or, the The second part of the time slots of the P time slots is determined according to the first RRC information.
  • the first RRC information and the second dynamic information determine the first part of the P time slots; and/or, according to the first RRC information, determine the second part of the P time slots, through the acquired information, Determining the time slots of two different parts of the P time slots can improve the accuracy of determining the time slot carrying the physical uplink channel.
  • the first part of the time slots of the P time slots is determined according to the first RRC information and the second dynamic information, including: the i th time slot
  • the slot is one of the first partial time slots
  • the first RRC information or the second dynamic information indicates that the symbol for scheduling the physical uplink channel on the i-th time slot is an uplink symbol or a flexible symbol .
  • the second part of the time slots of the P time slots is determined according to the first RRC information, including: the jth time slot is the second time slot In one of the partial time slots, the first RRC information indicates that the symbol for scheduling the physical uplink channel on the jth time slot is an uplink symbol or a flexible symbol.
  • the first partial time slot is within the time period of the second dynamic information, and/or the second partial time slot is not in the second dynamic information within the time limit of the information.
  • the P time slots that need to be determined are divided into a first part of time slots within the time limit of the second dynamic information and a second part of time slots not within the time limit of the second dynamic information, and then according to The first part of the time slot is determined by the first RRC information and the second dynamic information, and the second part of the time slot is determined according to the first RRC information, so that the accuracy of determining the time slot carrying the physical uplink channel can be improved.
  • the first information is indicated by the first dynamic information
  • the third partial timeslot of the P timeslots is based on the first RRC information and the second dynamic information
  • the fourth partial timeslot of the P timeslots is determined according to the first RRC information and preset dynamic information.
  • the first partial timeslot of the P timeslots is determined according to the first RRC information and the second dynamic information; and/or, P is determined according to the first RRC information and the preset dynamic information the second part of the time slot. Therefore, when the first information is indicated by the first dynamic information, the time slots of two different parts of the P time slots are determined by using the acquired information, which can improve the accuracy of determining the time slot carrying the physical uplink channel.
  • the third partial time slot is within the time limit of the second dynamic information, and/or the fourth partial time slot is not within the second partial time slot within the time limit of dynamic information.
  • the P time slots that need to be determined are divided into a first part of time slots within the time limit of the second dynamic information and a second part of time slots not within the time limit of the second dynamic information, and then according to The first RRC information and the second dynamic information determine the first part of the time slot, and the second part of the time slot is determined according to the first RRC information and the preset dynamic information, so that the accuracy of determining the time slot carrying the physical uplink channel can be improved.
  • the time limit of the second dynamic information is the monitoring period of the search space, or the time limit of the second dynamic information is the period of the monitoring period of the search space. The time between the start time and the end time of the second dynamic information monitoring.
  • the preset dynamic information is determined according to the second dynamic information.
  • the preset dynamic information is determined by the second dynamic information, and the second partial time slot is determined according to the first RRC and the preset dynamic information, so that the accuracy of determining the time slot carrying the physical uplink channel can be improved.
  • the third partial timeslot of the P timeslots is determined according to the first RRC information and the second dynamic information, including: the mth time slot A timeslot is one of the third partial timeslots, and the first RRC information or the second dynamic information indicates that the symbol for scheduling the physical uplink channel on the mth timeslot is an uplink symbol or Flexible symbol.
  • the fourth part of the time slots of the P time slots is determined according to the first RRC information and the preset dynamic information and includes: the nth time slot is a time slot in the fourth partial time slot, and the first RRC information or the preset dynamic information indicates that the symbol for scheduling the physical uplink channel on the nth time slot is an uplink symbol or a flexible symbol .
  • the flexible symbols do not include symbols used for switching between uplink transmission and downlink transmission.
  • At least one of the P time slots includes a Q th time slot, and the Q th time slot is scheduled for the physical uplink channel.
  • the symbols include downlink symbols and/or symbols used for conversion between uplink transmission and downlink transmission
  • the sending the physical uplink channel on at least one of the P time slots includes: in the Qth On the time slot, the physical uplink channel is not sent; or, the downlink symbol is divided in the symbol for scheduling the physical uplink channel on the Qth time slot and/or used for switching between uplink transmission and downlink transmission
  • the physical uplink channel is sent on symbols other than the symbol of .
  • the symbols for scheduling the physical uplink channel on the Qth time slot in at least one of the P time slots include downlink symbols and/or symbols used for switching between uplink transmission and downlink transmission, then at the Qth time slot On the slot, the physical uplink channel is not sent, so that the conflict between uplink transmission and downlink transmission can be avoided.
  • the physical uplink channel may be sent on the symbols other than the downlink symbol and/or the symbol used for conversion between uplink transmission and downlink transmission among the symbols of the physical uplink channel scheduled on the Qth time slot, so that the physical uplink channel can be fully utilized.
  • the unused resources are used for the transmission of the physical uplink channel, which ensures that the number of repeated transmissions of the physical uplink channel meets the requirements.
  • the other symbols include symbols carrying a demodulation reference signal DMRS.
  • the demodulation reference signal can be carried on the Qth time slot.
  • the physical uplink channel is sent, so that the resources capable of carrying the physical uplink channel can be fully utilized for transmission of the physical uplink channel, and the number of repeated transmissions of the physical uplink channel is guaranteed to meet the requirements.
  • the interval between the first moment and the start symbol of the first time slot carrying the physical uplink channel is N symbols, and the N is a positive integer; or, the interval between the first moment and the first starting symbol carrying the physical uplink channel is M symbols, where M is a positive integer.
  • the interval between the first moment and the start symbol of the first time slot carrying the physical uplink channel is N symbols, or the interval between the first moment and the first start symbol carrying the physical uplink channel is M Therefore, the time slot that can carry the physical uplink channel can be determined before the first transmission of the physical uplink channel and at a sufficient time, so as to avoid the first RRC and/or the second dynamic information.
  • the problem of insufficient time slots ensures that the number of repeated transmissions of the physical uplink channel meets the requirements.
  • the N is determined according to at least one of the following: the capability of the terminal device, the subcarrier spacing, and RRC information; and/or the M is determined according to at least one of the following Determine: the capability of the terminal equipment, the subcarrier spacing, and the RRC information.
  • N and/or M are determined by at least one of the capability of the terminal device, subcarrier spacing, and RRC information, so that different N and/or M can be set according to actual conditions.
  • dynamic information for modifying the physical uplink channel transmission is not expected to be received.
  • the first moment to the moment when the expiration of the second dynamic information expires it is not expected to receive dynamic information for changing the transmission of the physical uplink channel. information.
  • the P is greater than or equal to S, and the S is the number of times of repeated transmission of the physical uplink channel indicated by the configuration information, or the P is based on Delay requirements are determined.
  • the determined number P of time slots for transmitting the physical uplink channel is greater than the configured number of repeated transmissions of the physical uplink channel.
  • the symbol of the first time slot in the P time slots is replaced by other RRC information or other dynamic information Modification
  • the first time slot may not be counted in the count of repetitions of the physical uplink channel, and the physical The uplink channel may be delayed to the next time slot transmission of the first time slot in the P time slots.
  • the physical uplink channel may be transmitted on the symbols that can carry the physical uplink channel in the first time slot. In this way, the problem of insufficient time slots or symbols for carrying the physical uplink channel due to other RRC and/or other dynamic information can be avoided, that is, it is ensured that the number of repeated transmissions of the physical uplink channel meets the requirements.
  • Determining P according to the time delay requirement can avoid selecting the time slot beyond the time delay upper limit to transmit the physical uplink channel.
  • the physical uplink channel is a physical uplink shared channel PUSCH or a physical uplink control channel PUCCH.
  • an apparatus for determining transmission resources of a physical uplink channel including: a processing unit configured to determine a first moment according to first information, wherein the first information is used to indicate transmission of a physical uplink channel, so The first information is configured by the upper layer or indicated by the first dynamic information, and the first time is earlier than the first symbol or time slot that bears the physical uplink channel; the communication unit is used for the time slot in the P time slots.
  • the physical uplink channel is sent on at least one timeslot, the P is a positive integer, and the P timeslots are determined according to the first RRC and/or the second dynamic information at the first moment, wherein the The first RRC information is used to indicate all the symbols in the P time slots, the second dynamic information is used to determine all the symbols or part of the symbols in the P time slots, and one of the symbols is an uplink symbol, downstream symbol, or flexible symbol.
  • the first part of the time slots of the P time slots is determined according to the first RRC information and the second dynamic information; and/or, the The second part of the time slots of the P time slots is determined according to the first RRC information.
  • the first part of the time slots of the P time slots is determined according to the first RRC information and the second dynamic information, including: the ith time slot The slot is one of the first partial time slots, and the first RRC information or the second dynamic information indicates that the symbol for scheduling the physical uplink channel on the i-th time slot is an uplink symbol or a flexible symbol .
  • the second part of the time slots of the P time slots is determined according to the first RRC information, including: the jth time slot is the second time slot In one of the partial time slots, the first RRC information indicates that the symbol for scheduling the physical uplink channel on the jth time slot is an uplink symbol or a flexible symbol.
  • the first partial time slot is within the time period of the second dynamic information, and/or the second partial time slot is not in the second dynamic information within the time limit of the information.
  • the first information is indicated by the first dynamic information
  • the third partial timeslot of the P timeslots is based on the first RRC information and the second dynamic information
  • the fourth partial timeslot of the P timeslots is determined according to the first RRC information and preset dynamic information.
  • the third partial time slot is within the time limit of the second dynamic information, and/or the fourth partial time slot is not within the second partial time slot within the time limit of dynamic information.
  • the time limit of the second dynamic information is the monitoring period of the search space, or the time limit of the second dynamic information is the period of time of the monitoring period of the search space. The time between the start time and the end time of the second dynamic information monitoring.
  • the preset dynamic information is determined according to the second dynamic information.
  • the third partial timeslot of the P timeslots is determined according to the first RRC information and the second dynamic information, including: the mth time slot A timeslot is one of the third partial timeslots, and the first RRC information or the second dynamic information indicates that the symbol for scheduling the physical uplink channel on the mth timeslot is an uplink symbol or Flexible symbol.
  • the fourth part of the time slots of the P time slots is determined according to the first RRC information and the preset dynamic information and includes: the nth time slot is a time slot in the fourth partial time slot, and the first RRC information or the preset dynamic information indicates that the symbol for scheduling the physical uplink channel on the nth time slot is an uplink symbol or a flexible symbol .
  • the flexible symbols do not include symbols used for switching between uplink transmission and downlink transmission.
  • the processing unit is further configured to: on the P time slots, other dynamic information that is not expected to be received affects the transmission of the physical uplink channel.
  • At least one of the P time slots includes a Q th time slot, and the Q th time slot is scheduled for the physical uplink channel.
  • the symbols include downlink symbols and/or symbols used for conversion between uplink transmission and downlink transmission, and the communication unit is further specifically configured to: in the Qth time slot, not to send the physical uplink channel; or, Send the physical uplink channel on symbols other than the downlink symbol and/or the symbol used for conversion between uplink transmission and downlink transmission among the symbols used for scheduling the physical uplink channel on the Qth time slot .
  • the other symbols include symbols carrying a demodulation reference signal DMRS.
  • the interval between the first moment and the start symbol of the first time slot carrying the physical uplink channel is N symbols, and the N is a positive integer; or, the interval between the first moment and the first starting symbol carrying the physical uplink channel is M symbols, where M is a positive integer.
  • the N is determined according to at least one of the following: the capability of the terminal device, the subcarrier spacing, and RRC information; and/or the M is determined according to at least one of the following Determine: the capability of the terminal equipment, the subcarrier spacing, and the RRC information.
  • the communication unit is further configured to: after the first moment, do not expect to receive dynamic information for modifying the physical uplink channel transmission.
  • the communication unit is further configured to: from the first moment to the moment when the expiration of the second dynamic information expires, do not expect to receive information for Change the dynamic information transmitted by the physical uplink channel.
  • the P is greater than or equal to S, and the S is the number of times of repeated transmission of the physical uplink channel indicated by the configuration information, or the P is based on Delay requirements are determined.
  • the physical uplink channel is a physical uplink shared channel PUSCH or a physical uplink control channel PUCCH.
  • an apparatus for determining physical uplink channel transmission resources comprising at least one memory and at least one processor, the at least one memory is used for storing a program, and the at least one processor is used for running the program to realize the first A method as described in an aspect and/or certain implementations of the first aspect.
  • program may also be referred to as program code, computer instructions, computer programs, program instructions, or the like.
  • a chip comprising at least one processor and an interface circuit, the interface circuit is configured to provide program instructions or data for the at least one processor, and the at least one processor is configured to execute the program instructions, to implement the method described in the first aspect and/or certain implementations of the first aspect.
  • the chip system may further include a memory, in which a program is stored, the processor is configured to execute the program stored in the memory, and when the program is executed, the The processor is configured to perform the method in the first aspect.
  • a computer-readable storage medium stores program code for execution by a device, and when the program code is executed by the device, the first aspect and/or certain aspects of the first aspect are implemented. methods described in some implementations.
  • the above computer program code may be stored in whole or in part on the first storage medium, where the first storage medium may be packaged with the processor or separately packaged with the processor, which is not implemented in this embodiment of the present application. Specific restrictions.
  • a computer program product in a sixth aspect, includes a computer program, when the computer program product is executed by a computer, the computer executes the aforementioned first aspect and/or some implementations of the first aspect Methods.
  • a terminal device including the apparatus for determining a physical uplink channel transmission resource according to the second aspect or the third aspect.
  • FIG. 1 is a schematic diagram of an example of a communication system to which the method provided by the embodiment of the present application is applied.
  • FIG. 2 is a schematic flowchart of a method for determining a physical uplink channel transmission resource provided by an embodiment of the present application.
  • FIG. 3 is a schematic diagram of a time slot provided by an embodiment of the present application.
  • FIG. 4 is a schematic flowchart of an example of the aging of the second dynamic information provided by the embodiment of the present application.
  • FIG. 5 is a schematic flowchart of another example of the aging of the second dynamic information provided by the embodiment of the present application.
  • FIG. 6 is a schematic diagram of another time slot provided by an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of an apparatus for determining transmission resources of a physical uplink channel provided by an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of another apparatus for determining a physical uplink channel transmission resource provided by an embodiment of the present application.
  • GSM global system of mobile communication
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • general packet radio service general packet radio service
  • GPRS general packet radio service
  • long term evolution long term evolution
  • LTE long term evolution
  • LTE frequency division duplex frequency division duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • FIG. 1 shows a schematic diagram of a communication system 100 suitable for the method provided by this embodiment of the present application.
  • the communication system 100 may include at least one network device, such as a base station (gNB) in a 5G system as shown in FIG. 1 ; the communication system 100 may also include at least one terminal device, as shown in FIG. 1 user equipment (UE) 1. Communication between the network device and the terminal device can be done through a wireless link.
  • gNB base station
  • UE user equipment
  • the network device can send configuration information to the terminal device, and the terminal device can send uplink data to the network device based on the configuration information, that is, uplink transmission; for another example, the network device can send downlink data to the terminal device, that is, downlink transmission.
  • the network device in the communication system may be any device with a wireless transceiver function.
  • the device includes but is not limited to: evolved Node B (evolved Node B, eNB), radio network controller (radio network controller, RNC), Node B (Node B, NB), base station controller (base station controller, BSC) , base transceiver station (base transceiver station, BTS), home base station (for example, home evolved nodeb, or home node b, HNB), baseband unit (baseband unit, BBU), wireless fidelity (wireless fidelity, WIFI) system Access point (AP), wireless relay node, wireless backhaul node, transmission point (TP) or transmission and reception point (TRP), etc.
  • eNB evolved Node B
  • RNC radio network controller
  • Node B Node B
  • BSC base station controller
  • base transceiver station base transceiver station
  • BTS home base station
  • home base station for example, home evolved nodeb, or home node b
  • It can also be 5G, such as NR , a gNB in the system, or, a transmission point (TRP or TP), one or a group of (including multiple antenna panels) antenna panels of a base station in a 5G system, or, it can also be a network node that constitutes a gNB or a transmission point, Such as baseband unit (BBU), or distributed unit (distributed unit, DU) and so on.
  • BBU baseband unit
  • DU distributed unit
  • a gNB may include a centralized unit (CU) and a DU.
  • the gNB may also include an active antenna unit (active antenna unit, AAU for short).
  • the CU implements some functions of the gNB, and the DU implements some functions of the gNB.
  • the CU is responsible for processing non-real-time protocols and services, and implementing functions of radio resource control (RRC) and packet data convergence protocol (PDCP) layers.
  • RRC radio resource control
  • PDCP packet data convergence protocol
  • the DU is responsible for processing physical layer protocols and real-time services, and implementing the functions of the radio link control (RLC) layer, the media access control (MAC) layer and the physical (PHY) layer.
  • RLC radio link control
  • MAC media access control
  • PHY physical layer
  • the higher-layer signaling such as the RRC layer signaling
  • the network device may be a device including one or more of a CU node, a DU node, and an AAU node.
  • the CU can be divided into network devices in an access network (radio access network, RAN), and the CU can also be divided into network devices in a core network (core network, CN), which is not limited in this application.
  • 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.
  • FIG. 1 is only a simplified schematic diagram for easy understanding, and the communication system 100 may also include other network devices or other terminal devices, which are not shown in FIG. 1 .
  • the transmission from the gNB to the UE 1 shown in FIG. 1 is downlink transmission; the transmission from the UE 1 shown in FIG. 1 to the gNB is the downlink transmission.
  • the coverage of downlink transmission is generally higher than that of uplink transmission.
  • a cheaper power amplifier is intelligently used, and its power upper limit is also lower than that on the gNB side. Therefore, coverage enhancement mainly focuses on how to improve the coverage of uplink transmission.
  • Uplink transmission includes physical uplink shared channel (PUSCH) transmission and physical uplink control channel (PUCCH) transmission.
  • PUSCH physical uplink shared channel
  • PUCCH physical uplink control channel
  • the coverage of PUCCH is relatively wide, and the amount of transmitted information is small, but the reliability of PUCCH is required to be high.
  • PUSCH transmits a large amount of information and has relatively close coverage. Therefore, how to improve the coverage of uplink transmission is a more urgent problem.
  • the coverage of uplink transmission can be improved by repeating in the time domain, for example, the coverage of uplink transmission can be improved by increasing the number of repetitions and the way of repeating transmission.
  • the network device schedules the network device to transmit PUSCH on consecutive time slots, which can be divided into two situations:
  • the dynamic information indicates that at least part of the symbols in the symbols for scheduling the physical uplink channel are downlink symbols or flexible symbols; or if the dynamic information indicates that the symbols for scheduling the physical uplink channel are At least part of the symbols in the terminal equipment are used for the terminal equipment to receive the channel state information-reference Signal (CSI-RS) or the physical downlink shared channel (physical downlink shared channel, PDSCH), then on the at least part of the symbols PUSCH is not transmitted.
  • CSI-RS channel state information-reference Signal
  • PDSCH physical downlink shared channel
  • the terminal equipment does not expect the received dynamic information (such as SFI) to cause the PUSCH to fail to transmit. However, if there is a symbol in which the RRC information is configured as a downlink symbol in the symbols of the scheduled physical uplink channel, the transmission of the entire time slot is abandoned.
  • SFI received dynamic information
  • the symbol for scheduling the PUSCH may be indicated by the starting symbol (starting symbol) of the PUSCH, the symbol length (Length), and the possible value range of the starting symbol+symbol length.
  • time slots for normal cyclic prefix (NCP) symbols and time slots for extended cyclic prefix (ECP) symbols are listed, in Type A (Type A) and Type B (Type B), an example of the start symbol of the scheduled physical uplink channel.
  • S represents the start symbol
  • L represents the symbol length.
  • S+L of Type A is less than or equal to 14 symbols, that is, one PUSCH transmission is limited to one time slot.
  • the terminal device will perform detection in each time slot in S+L. If it can be used to transmit PUSCH, one transmission of PUSCH can be performed, otherwise, this transmission is abandoned, or this transmission is abandoned on some symbols on the a-th time slot; and continue to see whether other time slots meet the conditions.
  • "available for” can be understood as the symbol is not occupied by other transmissions or the symbol is not a symbol used for downlink transmission.
  • the dynamic information may include, but is not limited to, SFI, cancellation indication (cancellation indication) information, or transmission information for scheduling ultra-relaible and low latency communication (URLLC).
  • Both of these two methods need to determine the time slot that can carry the uplink transmission first, and then perform the uplink transmission on the time slot that can carry the uplink transmission, which may cause: the bth time slot in the S time slots can carry the Uplink transmission, however, the time slot that can carry uplink transmission is determined on the time slot after the bth time slot, so that the bth time slot that can be used for uplink transmission cannot be used for uplink transmission, resulting in the repetition of uplink transmission. The number of transmissions is not enough to meet the corresponding requirements.
  • the embodiment of the present application provides a method for determining the transmission resources of the physical uplink channel.
  • the method can determine the time slot carrying the physical uplink channel before the symbol or time slot of the physical uplink channel is transmitted for the first time, so as to ensure the physical uplink channel.
  • the number of repeated transmissions of the channel satisfies the requirement.
  • the physical uplink channels involved in the embodiments of this application include PUCCH and/or PUSCH.
  • FIG. 2 provides a method 200 for determining a physical uplink channel transmission resource provided by an embodiment of the present application.
  • the method 200 includes S210 and S220.
  • the method 200 may be applied to a terminal device. In other embodiments, the method 200 may be applied to a communication apparatus that supports a terminal device to implement the method 200, for example, the communication apparatus includes a chip system.
  • S210 Determine the first time according to the first information.
  • the first information is used to indicate the transmission of the physical uplink channel, the first information is configured by higher layers or indicated by the first dynamic information, and the first time is earlier than the first symbol or time that bears the physical uplink channel. gap.
  • the first information is configured by a high layer
  • the first information is configured by a high layer of the terminal device.
  • the fact that the first information is configured by a higher layer may be understood that the first information is configured by a higher layer of the network device, and the terminal device receives the first information sent by the network device through the higher layer.
  • the first dynamic information may be downlink control information (downlink control information, DCI) format information (for example, a DCI format), uplink scheduling information of a random access response (Random Access Response, RAR) (for example, a RAR UL grant). ), the uplink scheduling information of the fallback random access response (such as fallback RAR UL grant) or the subsequent random access response information (such as success RAR).
  • DCI downlink control information
  • RAR Random Access Response
  • RAR Random Access Response
  • the first information may be obtained at or before the first moment.
  • the interval between the first moment and the start symbol of the first time slot carrying the physical uplink channel is N symbols, where N is a positive integer.
  • the first time slot carrying the physical uplink channel is the second time slot, and the starting symbol of the second time slot is the first symbol, then the difference between the first moment and the first symbol of the second time slot The interval between them is N symbols, so that the time slot carrying the physical uplink channel can be determined within a sufficient processing time before the first time slot carrying the physical uplink channel.
  • N is determined according to at least one of the following: capability of the terminal device, subcarrier spacing, and RRC information.
  • the capability of the terminal device is negatively correlated with N, that is, the stronger the capability of the terminal, the smaller N can be set. Therefore, according to the actual situation of the terminal device, N is set to ensure that the first time slot carrying the physical uplink channel is used. Previously, there was enough processing time to determine the time slot carrying the physical uplink channel.
  • the subcarrier spacing can be positively correlated with N, that is, the larger the subcarrier spacing is, the larger N can be set. Therefore, setting N according to the actual situation ensures that before the first time slot carrying the physical uplink channel, there are Sufficient processing time to determine the time slot carrying the physical uplink channel.
  • the interval between the first moment and the first starting symbol carrying the physical uplink channel is M symbols, where M is a positive integer.
  • the first time slot that carries the physical uplink channel is the second time slot
  • the fourth symbol on the second time slot is the first symbol that carries the physical uplink channel.
  • the interval between the fourth symbols of the time slots is N symbols, so that the time slot carrying the physical uplink channel can be determined within a sufficient processing time before the first symbol carrying the physical uplink channel.
  • M is determined according to at least one of the following: capability of the terminal device, subcarrier spacing, and RRC information.
  • the capability of the terminal device has a negative correlation with M, that is, the stronger the capability of the terminal, the smaller M can be set. Therefore, according to the actual situation of the terminal device, M is set to ensure that before the first symbol carrying the physical uplink channel , there is enough processing time to determine the time slot carrying the physical uplink channel.
  • the subcarrier spacing can be positively correlated with M, that is, the larger the subcarrier spacing is, the larger M can be set, so that M can be set according to the actual situation to ensure that there is enough space before the first symbol carrying the physical uplink channel. to determine the time slot carrying the physical uplink channel.
  • S220 Send a physical uplink channel on at least one of the P time slots, where P is a positive integer, and the P time slots are determined according to the first RRC and/or the second dynamic information at the first moment, wherein the No.
  • One RRC information is used to indicate all the symbols in the P time slots
  • the second dynamic information is used to determine all the symbols or part of the symbols in the P time slots, and each symbol can be an uplink symbol, a downlink symbol or a flexible symbol.
  • the use of the first RRC information to indicate all symbols in the P time slots can be understood as: the first RRC information is used to indicate whether each symbol of all the symbols in the P time slots is an uplink symbol, a downlink symbol or a flexible symbol.
  • the first RRC information may be time division duplex (time division dual, TDD) uplink (uplink, UL) and downlink (downlink, DL) common configuration (tdd-UL-DL-Configuration Common) information.
  • the first RRC information may be time division duplex uplink and downlink dedicated configuration (tdd-UL-DL-Configuration Dedicated) information.
  • the first RRC information may be received at or before the first moment.
  • the second dynamic information is used to determine all the symbols or part of the symbols in the P time slots can be understood as: the second dynamic information is used to determine the used symbols or part of the symbols in the P time slots. Symbols are also flexible symbols.
  • the second dynamic information may indicate data to be transmitted, and according to the second dynamic information, it may be determined whether the symbol of the data to be transmitted is an uplink symbol, a downlink symbol or a flexible symbol.
  • the second dynamic information may include DCI format 2.0 (DCI format 2_0) information, DCI format information for instructing the UE to receive CSI-RS (a DCI format indicating to the UE to receive CSI-RS) or for indicating The UE receives the DCI format information of the PDSCH (a DCI format indicating to the UE to receive or PDSCH).
  • DCI format 2.0 DCI format 2_0
  • DCI format information for instructing the UE to receive CSI-RS a DCI format indicating to the UE to receive CSI-RS
  • the UE receives the DCI format information of the PDSCH (a DCI format indicating to the UE to receive or PDSCH).
  • the second dynamic information may be received at or before the first moment.
  • the flexible symbol can be used as uplink symbols, downlink symbols, or symbols for switching between uplink and downlink transmissions.
  • the flexible symbol is an uplink symbol or a downlink symbol
  • the symbol can also be used as an uplink symbol or a downlink symbol.
  • the flexible symbol is a symbol converted between uplink transmission and downlink transmission, the symbol cannot be used as a downlink symbol or an uplink symbol.
  • the flexible symbols involved in the embodiments of the present application do not include symbols used for conversion between uplink transmission and downlink transmission.
  • P is greater than or equal to S, and S is the number of repeated transmissions of the physical uplink channel indicated by the configuration information, or P is determined according to a time delay requirement.
  • the configuration information may be RRC information or information configured by a higher layer.
  • the latency requirement may be configured by higher layers.
  • the delay requirement can also be related to the traffic type of the data packet. For example, video data packets have higher latency requirements than audio data packets.
  • the determined number P of time slots for transmitting the physical uplink channel is greater than the configured number of times S of repeated transmission of the physical uplink channel.
  • the symbol for scheduling the physical uplink channel on the first time slot of the P time slots is changed by other RRC information or other dynamic information, in an implementation manner, when the first time slot cannot carry the physical uplink channel, The first time slot may not be counted in the count of the repetition times of the physical uplink channel, and the physical uplink channel that should be transmitted on the first time slot may be postponed to the next time slot of the first time slot in the P time slots transmission.
  • the physical uplink channel may be transmitted on the symbols that can carry the physical uplink channel in the first time slot. In this way, the problem of insufficient time slots or symbols for carrying the physical uplink channel due to other RRC and/or other dynamic information can be avoided, that is, it is ensured that the number of repeated transmissions of the physical uplink channel meets the requirements.
  • the determined number P of time slots for transmitting the physical uplink channel is greater than the configured number of times S of repeated transmission of the physical uplink channel, when the symbols for scheduling the physical uplink channel in the first S time slots in the P time slots are not When changed by other RRC information or other dynamic information, the remaining time slots (except the first S time slots) resources in the P time slots can be directly released, so that the remaining time slots can be used for other purposes.
  • Determining P according to the time delay requirement can avoid selecting the time slot beyond the time delay upper limit to transmit the physical uplink channel.
  • the P time slots may also be determined according to the first RRC and/or the second dynamic information at any time before the first time.
  • the first information may be configured by the high layer, and the first information may also be indicated by the first dynamic information, that is, mode A is not only applicable to the scenario where the transmission of the PUSCH is configured by the high layer, but also applicable to the scenario where the transmission of the PUSCH is the first dynamic information.
  • the scenario indicated by the information is not limited in this embodiment of the present application.
  • the first information is the first dynamic information indication, that is, the way B is only applicable to the scenario where the transmission PUSCH is the first dynamic information indication.
  • Manner A at the first moment, according to the first RRC information and the second dynamic information, determine the first partial timeslot of the P timeslots; and/or, at the first moment, according to the first RRC information, determine the P timeslots the second part of the time slot.
  • the first partial timeslot of the P timeslots may be determined according to the first RRC information or the second dynamic information. Specifically, if the first RRC information or the second dynamic information indicates that the symbols for scheduling the physical uplink channel on the ith timeslot are all uplink symbols or flexible symbols, and the ith timeslot is within the time limit of the second dynamic information, Then the ith time slot may be a time slot in the first partial time slot.
  • the i-th time slot may also be a time slot in the first partial time slot.
  • the above i is greater than or equal to 1.
  • the multiple timeslots may be multiple timeslots in the first part of the timeslots.
  • the second part of the time slots in the P time slots may be determined according to the first RRC information. Specifically, if the symbols for scheduling the physical uplink channel on the jth time slot outside the time limit of the second dynamic information indicated by the first RRC information are all uplink symbols or flexible symbols, and the jth time slot is located in the second dynamic information In addition to the time limit of , the j-th time slot may be a time slot in the second part of time slots.
  • the P time slots that need to be determined are divided into a first part of time slots within the time limit of the second dynamic information and a second part of time slots not within the time limit of the second dynamic information, and then according to The first part of the time slot is determined by the first RRC information and the second dynamic information, and the second part of the time slot is determined according to the first RRC information, so that the obtained information can be fully used to determine the time slot that bears the physical uplink channel, and the time slot that bears the physical uplink channel can be improved.
  • the accuracy of the time slot determination is performed by the first RRC information and the second dynamic information, so that the obtained information can be fully used to determine the time slot that bears the physical uplink channel, and the time slot that bears the physical uplink channel can be improved.
  • the j-th time slot may also be a time slot in the second partial time slot.
  • the above jth time slot does not exist, that is, the P time slots only include the first part of the time slots and do not include the second part of the time slots.
  • the multiple timeslots may be multiple timeslots in the second part of timeslots.
  • the first time slot, the second time slot and the third time slot are within the time limit of the second dynamic information, and the fourth time slot is outside the time limit of the second dynamic information.
  • the symbols for scheduling the physical uplink channel are the 9th symbol to the 14th symbol (for example, the bolded symbols shown in FIG. 3 ), wherein the symbol for scheduling the physical uplink channel may be the third dynamic channel described below.
  • information or RRC information indicates that all symbols on the first slot are downlink symbols, the first to tenth symbols on the second slot are flexible symbols, and the 11th to 14th symbols are uplink symbols symbol, all the symbols on the 3rd slot are uplink symbols, and all the symbols on the 4th slot are uplink symbols.
  • the second dynamic information indicates that the 1st to 6th symbols on the 2nd time slot are downlink symbols, and the 7th to 10th symbols on the 4th time slot are flexible symbols.
  • the symbols for scheduling the physical uplink channel in the first to fourth time slots are uplink symbols, downlink symbols or flexible symbols, it is necessary to determine which time slots from the first time slot to the fourth time slot can be used. Bearing the physical uplink channel, that is, determining P time slots. Due to the limitation of the time limit of the second dynamic information, it is necessary to combine the time limit of the second dynamic information, and according to the acquired information, respectively determine the first part of the time slot within the time limit of the second dynamic information and the time slot not in the second dynamic information. The second partial timeslot within the time limit, the first partial timeslot and the second partial timeslot form P timeslots.
  • the specific process is as follows:
  • the first to third time slots can be determined according to the first RRC information and the second dynamic information Whether there is the first part of the time slots in the P time slots. Specifically, in the first time slot, the second time slot and the third time slot, the first RRC information indicates that all symbols on the first time slot are downlink symbols, and the first RRC information indicates that the first time slot is a downlink symbol.
  • the 9th and 10th symbols among the symbols (9th to 14th symbols) of the physical uplink channel scheduled on 2 time slots are flexible symbols, the 11th to 14th symbols are uplink symbols, and the first RRC
  • the information indicates that the symbols (the 9th to 14th symbols) for scheduling the physical uplink channel on the third time slot are uplink symbols, so the second time slot and the third time slot are both in the first part of the time slot. a time slot.
  • the fourth time slot Since the fourth time slot is outside the time limit of the second dynamic information, it may be determined whether the fourth time slot is the second partial time slot in the P time slots only according to the first RRC information. Specifically, in the fourth time slot, the first RRC information indicates that the symbols (the ninth to the fourteenth symbols) for scheduling the physical uplink channel in the fourth time slot are all uplink symbols. Therefore, the fourth time slot The slot is one of the second partial slots.
  • the second time slot and the third time slot are time slots in the first partial time slot, and the fourth time slot is a time slot in the second partial time slot.
  • the second time slot in the P time slots is scheduled for the first time slot in the symbols (the ninth to the fourteenth symbols) of the physical uplink channel
  • the second time slot can be excluded from the count of repetitions of the physical uplink channel, and the second time slot should have been transmitted.
  • the physical uplink channel can be delayed to the next time slot (the third time slot) of the second time slot in the P time slots for transmission, so as to avoid the transmission of the physical uplink channel due to other RRC and/or other dynamic information.
  • the problem of insufficient time slots (3) ensures that the number of repeated transmissions of the physical uplink channel meets the requirements.
  • the RRC information or other dynamic information is changed, that is, when the physical uplink channel is transmitted in the 2nd and 3rd timeslots respectively, the resources of the 4th timeslot are directly released, so that the 4th timeslot can be used for other purposes .
  • the symbols for scheduling the physical uplink channels involved in the embodiments of the present application may be understood as scheduling symbols for carrying physical uplink channel transmissions, rather than symbols carrying scheduling information, which is used to indicate transmission of the physical uplink channels.
  • the scheduling information may be the first information.
  • the symbol for scheduling the physical uplink channel involved in the embodiment of the present application may be indicated by the third dynamic information.
  • the third dynamic information indicates that the symbols for scheduling the physical uplink channel are the 9th symbol to the 14th symbol.
  • the third dynamic information may include DCI format information (such as a DCI format), uplink scheduling information of the RAR (such as a RAR UL grant), and uplink scheduling information of a fallback random access response (such as fallback RAR UL grant). ), subsequent random access response information (such as success RAR), DCI format 2_0 information, CSI-RS DCI format information (a DCI format indicating to the UE to receiving CSI-RS) or DCI used to instruct the UE to receive PDSCH Format information (a DCI format indicating to the UE to receive or PDSCH).
  • DCI format information such as a DCI format
  • uplink scheduling information of the RAR such as a RAR UL grant
  • uplink scheduling information of a fallback random access response such as fallback RAR UL grant
  • subsequent random access response information such as success RAR
  • DCI format 2_0 information a DCI format indicating to the UE to receiving CSI-RS
  • DCI used to instruct the UE to receive PDSCH Format information
  • the symbols for scheduling physical uplink channels involved in the embodiments of the present application may be indicated by RRC information.
  • the RRC information may indicate the starting symbol (starting symbol) and the symbol length (Length) of the scheduled physical uplink channel.
  • the RRC information includes a start symbol identifier (eg, S), a symbol identifier corresponding to the start identifier, a length identifier (eg, L), and a symbol identifier corresponding to the length identifier.
  • the symbol identification may be the number of the symbol.
  • the RRC information may indicate a starting symbol (starting symbol) and a length (Length) of the scheduled physical uplink channel through a table (for example, the form of Table 1 may be referred to).
  • Manner B at the first moment, according to the first RRC information and the second dynamic information, determine the third partial timeslot of the P timeslots; and/or, at the first moment, according to the first RRC information and the preset dynamic information A fourth partial slot of the P slots is determined.
  • the third partial timeslot of the P timeslots may be determined according to the first RRC information or the second dynamic information. Specifically, if the first RRC information or the second dynamic information indicates that the symbols for scheduling the physical uplink channel on the mth time slot are all uplink symbols or flexible symbols, and the mth time slot is within the time limit of the second dynamic information, Then the mth time slot may be a time slot in the third partial time slot.
  • the above m is greater than or equal to 1.
  • the multiple timeslots may be multiple timeslots in the third partial timeslot.
  • the fourth part of the time slots in the P time slots may be determined according to the first RRC information and the preset dynamic information. Specifically, if the first RRC information or the preset dynamic information indicates that the symbols for scheduling the physical uplink channel on the nth time slot are all uplink symbols or flexible symbols, and the nth time slot is outside the time limit of the second dynamic information, Then the n th time slot may be a time slot in the fourth partial time slot.
  • the P time slots to be determined are divided into a third part of time slots within the time limit of the second dynamic information and a fourth part of time slots not within the time limit of the second dynamic information, and further
  • the third part of the time slot is determined according to the first RRC information and the second dynamic information
  • the fourth part of the time slot is determined according to the first RRC information and the preset dynamic information, so that the obtained information can be fully utilized to determine the time slot carrying the physical uplink channel , to improve the accuracy of determining the time slot carrying the physical uplink channel.
  • the method B not only uses the first RRC information, but also uses the preset dynamic information to determine the time slot that bears the physical uplink channel, so as to better The accuracy of determining the time slot carrying the physical uplink channel is improved.
  • the nth timeslot does not exist, that is, the P timeslots only include the third partial timeslot and do not include the fourth partial timeslot.
  • n takes multiple values that is, the symbols of the physical uplink channel are scheduled on multiple time slots (for example, the first time slot, ..., the nth time slot) beyond the time limit of the second dynamic information are all uplink symbols or flexible symbols
  • the multiple timeslots may be multiple timeslots in the fourth partial timeslot.
  • the time period of the second dynamic information is the monitoring period of the search space.
  • the detection period of the search space is the time between t1 and t2
  • the aging of the second dynamic information is the time between t1 and t2.
  • the aging time of the second dynamic information is the time between the start time of the monitoring period of the search space and the end time of the monitoring of the second dynamic information.
  • the detection period of the search space is the time between t1 and t2
  • the second dynamic information monitoring end time is t3
  • the aging of the second dynamic information is the time between t1 and t3.
  • the preset dynamic information may be determined according to the second dynamic information.
  • the preset dynamic information may be determined according to the second dynamic information.
  • the configuration parameter of the preset dynamic information may be set as the configuration parameter indicated by the second dynamic information
  • the aging time of the preset dynamic information may be set as the aging time of the second dynamic information
  • the starting time of the preset dynamic information aging may be set as the second dynamic information aging time.
  • the end time of the dynamic information aging for example, the time t2 shown in FIG. 4
  • the start time of the detection period of the first search space after the end time of the second dynamic information aging for example, as shown in FIG. 5 ) time t4).
  • the preset time limit of the dynamic information is the start time of the detection period of the first search space after the end time of the second dynamic information time limit, it may exist outside the time limit of the second dynamic information and in the pre-set time. Assuming an out-of-time time slot of the dynamic information, this part of the time slot can determine whether there is a fifth part of the time slot in the P time slots according to the first RRC.
  • the monitoring period of the search space is three time slots. If the aging time of the second dynamic information is the monitoring period of the search space, then the aging time of the second dynamic information is the time between the time t1 and the time t2, and the aging time of the preset dynamic information is the time between the time t2 and the end time of the sixth time slot. time (not shown in Figure 6). Therefore, the first time slot, the second time slot and the third time slot are within the time limit of the second dynamic information, and the fourth time slot and the fifth time slot are outside the time limit of the second dynamic information, and are within the time limit of the second dynamic information. Set the time limit of dynamic information.
  • the symbols for scheduling the physical uplink channel are the 9th symbol to the 14th symbol, where the symbol for scheduling the physical uplink channel may be the third dynamic information or RRC information described above;
  • the first RRC information indicates the first time slot All symbols above are downlink symbols, all symbols in the second slot are flexible symbols, the first to sixth symbols in the third slot are downlink symbols, and the seventh to 14th symbols are flexible symbols , all symbols on the 4th time slot are uplink symbols, and all symbols on the 5th time slot are flexible symbols.
  • the second dynamic information indicates that all symbols in the second time slot are downlink symbols, the 11th to 14th symbols in the third time slot are uplink symbols, and all symbols in the fifth time slot are uplink symbols .
  • the symbols for scheduling the physical uplink channel in the first to fifth time slots are uplink symbols, downlink symbols or flexible symbols, it is necessary to determine which time slots from the first time slot to the fifth time slot can be used. Bearing the physical uplink channel, that is, determining P time slots. Due to the limitation of the time limit of the second dynamic information, it is necessary to combine the time limit of the second dynamic information, and according to the acquired information, respectively determine the third part of the time slot that is within the time limit of the second dynamic information and the third part of the time slot that is not within the time limit of the second dynamic information.
  • the fourth partial timeslot within the time limit of , the third partial timeslot and the fourth partial timeslot form P timeslots. The specific process is as follows:
  • the first to third time slots can be determined according to the first RRC information and the second dynamic information Whether there is a third partial slot in the P slots. Specifically, in the first time slot, the second time slot and the third time slot, the first RRC information indicates that all symbols on the first time slot are downlink symbols, and the second dynamic information indicates that the second time slot is a downlink symbol.
  • All symbols in the first time slot are downlink symbols
  • the first RRC information indicates that the ninth and tenth symbols among the symbols (the ninth to 14th symbols) of the physical uplink channel scheduling in the third time slot are flexible symbol
  • the second dynamic information indicates that the 11th to 14th symbols in the symbols (9th to 14th symbols) for scheduling the physical uplink channel on the 3rd time slot are uplink symbols, therefore, the 3rd time slot Both are one time slot in the third partial time slot.
  • the fourth time slot and the fifth time slot are outside the time limit of the second dynamic information and within the time limit of the preset dynamic information
  • the fourth time slot can be determined according to the first RRC information and the preset dynamic information Whether there is a fourth partial time slot in P time slots.
  • the first RRC information indicates that the symbols (the 9th to 14th symbols) of the scheduled physical uplink channel on the 4th time slot are uplink symbols
  • the first The RRC information indicates that the symbols (the ninth to 14th symbols) for scheduling the physical uplink channel on the fifth time slot are flexible symbols
  • the preset dynamic information indicates that the symbols for scheduling the physical uplink channel on the fifth time slot (the ninth to the fourteenth symbols) are flexible symbols. to the 14th symbol) are uplink symbols, therefore, the 4th time slot and the 5th time slot are one time slot in the fourth partial time slot.
  • the third time slot is a time slot in the third partial time slot
  • the fourth time slot and the fifth time slot are time slots in the fourth partial time slot.
  • the third time slot in the P time slots is scheduled for the symbols (9th to 14th symbols) of the physical uplink channel, the first When 9 symbols are changed to downlink symbols by other RRC information or other dynamic information, at this time, the third time slot can be excluded from the count of repetitions of the physical uplink channel, and the third time slot should have been transmitted.
  • the physical uplink channel can be delayed to the next time slot (the fourth time slot) of the third time slot in the P time slots for transmission, so as to avoid the transmission of the physical uplink channel due to other RRC and/or other dynamic information.
  • the problem of insufficient time slots (2) ensures that the number of repeated transmissions of the physical uplink channel meets the requirements.
  • the delay requirement is within the first time slot to the fourth time slot, in order to meet the delay requirement, it is possible to avoid selecting the time slot beyond the upper limit of the time delay to transmit the physical uplink channel, that is, in the fifth time slot
  • the physical uplink channel is not transmitted on the
  • the monitoring period of the search space is three time slots. If the aging time of the second dynamic information is the time between the start time of the monitoring period of the search space and the end time of monitoring the second dynamic information, that is, the aging time of the second dynamic information is the time between time t1 and time t3.
  • the preset start time of the aging of the dynamic information is time t4.
  • the first time slot, the second time slot, the third time slot and the fourth time slot are within the time limit of the second dynamic information, and the fifth time slot is outside the time limit of the second dynamic information and within the preset dynamic information out of time limit.
  • the symbols for scheduling the physical uplink channel are the 9th symbol to the 14th symbol, where the symbol for scheduling the physical uplink channel may be the third dynamic information or RRC information described above;
  • the first RRC information indicates the first time slot All symbols above are downlink symbols, all symbols in the second slot are flexible symbols, the first to sixth symbols in the third slot are downlink symbols, and the seventh to tenth symbols are Flexible symbols, all symbols in the fourth time slot are uplink symbols, and all symbols in the fifth time slot are flexible symbols.
  • the second dynamic information indicates that all symbols in the second time slot are downlink symbols, the 11th to 14th symbols in the third time slot are uplink symbols, and all symbols in the fifth time slot are uplink symbols .
  • the symbols for scheduling the physical uplink channel in the first to fifth time slots are uplink symbols, downlink symbols or flexible symbols, it is necessary to determine which time slots from the first time slot to the fifth time slot can be used. Bearing the physical uplink channel, that is, determining P time slots. Due to the limitation of the time limit of the second dynamic information and the preset dynamic time limit, it is necessary to combine the time limit of the second dynamic information and the preset dynamic information time limit, and according to the acquired information, respectively determine the time limit within the time limit of the second dynamic information.
  • Five partial time slots, the third partial time slot, the fourth partial time slot and the fifth partial time slot constitute P time slots. The specific process is as follows:
  • the first to second time slots can be determined according to the first RRC information and the second dynamic information Whether there is a third part of the P slots in the 4th slot. Specifically, from the first time slot to the fourth time slot, the first RRC information indicates that all symbols in the first time slot are downlink symbols, and the second dynamic information indicates that all symbols in the second time slot are downlink symbols.
  • the symbols are downlink symbols
  • the first RRC information indicates that the ninth and tenth symbols among the symbols (the ninth to the fourteenth symbols) of the physical uplink channel scheduled on the third time slot are flexible symbols
  • the second The dynamic information indicates that the 11th to 14th symbols in the symbols (9th to 14th symbols) of the physical uplink channel scheduled on the 3rd time slot are uplink symbols
  • the first RRC information indicates that the 4th time
  • the symbols (the 9th to 14th symbols) for scheduling the physical uplink channel on the slot are all uplink symbols. Therefore, the third time slot and the fourth time slot are both a time slot in the third partial time slot.
  • the fifth time slot Since the fifth time slot is outside the time limit of the second dynamic information and outside the time limit of the preset dynamic information, it can be determined whether the fifth time slot is the fifth time slot among the P time slots only according to the first RRC information Partial time slot. Specifically, in the fifth time slot, the first RRC information indicates that the symbols (the ninth to 14th symbols) for scheduling the physical uplink channel on the fifth time slot are flexible symbols. Therefore, the fifth time slot can is one of the fifth partial time slots.
  • the third time slot and the fourth time slot are one time slot in the third partial time slot
  • the fifth time slot is one time slot in the fifth partial time slot, and there is no fourth partial time slot.
  • the physical uplink channel can be transmitted in the third time slot to the fifth time slot in the P time slots.
  • the time delay requirement is within the first time slot to the third time slot, in order to meet the time delay requirement, it is possible to avoid selecting the time slot beyond the time delay upper limit to transmit the physical uplink channel, that is, in the fourth time slot And the physical uplink channel is not transmitted on the fifth time slot.
  • the above content details how the P time slots are determined.
  • the following describes in detail how to transmit the physical uplink channel on at least one of the P time slots.
  • P time slots described below may be determined by the foregoing method 200, or may be determined by other methods, which are not limited in this embodiment of the present application.
  • other dynamic information that is not expected to affect the transmission of the physical uplink channel can be understood as: in the P time slots, the terminal device can receive other dynamic information, but the received other dynamic information will not Affects the transmission of the physical uplink channel on the P time slots. Specifically, other dynamic information received will not modify the symbols for scheduling the physical uplink channel in the P time slots to be downlink symbols or flexible symbols used for downlink and uplink conversion, thereby It will not affect the terminal equipment to send the physical uplink channel on the P time slots.
  • the physical uplink channel is transmitted.
  • the symbol for scheduling the physical uplink channel on the Qth time slot in at least one time slot of the P time slots determined by the terminal device includes a downlink symbol (for example, indicated by other RRC information or dynamic information) is a downlink symbol or scheduled for downlink transmission) and/or a symbol used for switching between uplink and downlink transmission (e.g., indicated by other RRC information or dynamic information or scheduled as a symbol used for switching between uplink and downlink transmissions) ), then on the Qth time slot, the physical uplink channel is not sent; or, in the symbols for scheduling the physical uplink channel on the Qth time slot, the downlink symbols and/or the symbols used for the conversion between uplink transmission and downlink transmission are removed. On symbols other than the symbol, the physical uplink channel is sent.
  • the other symbols may include symbols carrying a demodulation reference signal (DMRS).
  • DMRS demodulation reference signal
  • the dynamic information may be SFI, or the dynamic information may be dynamic information indicating that the UE receives CSI-RS or PDSCH.
  • the symbols of the scheduled physical uplink channel are the 1st to 10th symbols
  • the 1st to 4th symbols of the Qth time slot in the P time slots are flexible symbols
  • the 5th to 4th symbols are flexible symbols.
  • the 14th symbol is an uplink symbol.
  • the physical uplink channel is sent.
  • the symbol bearing the DMRS may be determined by the symbol indicated by the position of the DMRS type A (dmrs-TypeA-Position).
  • the above-mentioned Q is greater than or equal to 0.
  • the dynamic information received by the terminal device does not change the transmission of the physical uplink channel. For example, if the second dynamic information does not affect the transmission of the physical uplink channel on the determined P time slots, the terminal device may receive the second dynamic information again.
  • the terminal device from the first moment to the moment when the expiration of the second dynamic information expires, it is not expected to receive dynamic information for changing the transmission of the physical uplink channel. That is, the terminal device only needs to not expect to receive the dynamic information for changing the physical uplink channel transmission from the first time to the time when the time limit of the second dynamic information expires. It is not expected to receive dynamic information for changing physical upstream channel transmissions.
  • the method for determining physical uplink channel transmission resources according to the embodiment of the present application is described above with reference to FIG. 2 and FIG. 6 , and the apparatus for determining physical uplink channel transmission resources according to the embodiment of the present application is described below with reference to FIG. 7 . It should be understood that the description of the apparatus for determining physical uplink channel transmission resources corresponds to the description of the method for determining physical uplink channel transmission resources. Therefore, for parts not described in detail, reference may be made to the foregoing description of the method for determining physical uplink channel transmission resources.
  • FIG. 7 is a schematic structural diagram of an apparatus for determining transmission resources of a physical uplink channel provided by an embodiment of the present application.
  • the apparatus 300 for determining uplink transmission resources of a physical uplink channel includes a processing unit block 310 and a communication unit 320, wherein,
  • the processing unit 310 is configured to determine the first moment according to the first information, where the first information is used to indicate the transmission of the physical uplink channel, and the first information is configured by a high layer or indicated by the first dynamic information, The first moment is earlier than the first symbol or time slot carrying the physical uplink channel;
  • the communication unit 320 is configured to send the physical uplink channel on at least one of the P time slots, where the P is a positive integer, and the P time slots are Determined by the first RRC and/or the second dynamic information, wherein the first RRC information is used to indicate all symbols in the P time slots, and the second dynamic information is used to determine the P time slots All symbols or part of the symbols within the symbol, one of the symbols is an uplink symbol, a downlink symbol or a flexible symbol.
  • the first partial timeslot of the P timeslots is determined according to the first RRC information and the second dynamic information; and/or, the second partial timeslots of the P timeslots are It is determined according to the first RRC information.
  • the first partial timeslot of the P timeslots is determined according to the first RRC information and the second dynamic information, including: the ith timeslot is one of the first partial timeslots. slot, the first RRC information or the second dynamic information indicates that the symbol for scheduling the physical uplink channel on the i-th time slot is an uplink symbol or a flexible symbol.
  • the second partial timeslot of the P timeslots is determined according to the first RRC information, including: the jth timeslot is one timeslot in the second partial timeslots, and the jth timeslot is a timeslot in the second partial timeslot.
  • a piece of RRC information indicates that the symbol for scheduling the physical uplink channel on the jth time slot is an uplink symbol or a flexible symbol.
  • the first partial time slot is within the time limit of the second dynamic information, and/or the second partial time slot is not within the time limit of the second dynamic information.
  • the first information is indicated by the first dynamic information
  • the third partial timeslot of the P timeslots is determined according to the first RRC information and the second dynamic information
  • the fourth partial time slot of the P time slots is determined according to the first RRC information and preset dynamic information.
  • the third partial time slot is within the time limit of the second dynamic information, and/or the fourth partial time slot is not within the time limit of the second dynamic information.
  • the validity period of the second dynamic information is the monitoring period of the search space, or the validity period of the second dynamic information is the start time of the monitoring period of the search space to the end of the monitoring of the second dynamic information. time between moments.
  • the preset dynamic information is determined according to the second dynamic information.
  • the third partial timeslot of the P timeslots is determined according to the first RRC information and the second dynamic information, including: the mth timeslot is one of the third partial timeslots.
  • One time slot, the first RRC information or the second dynamic information indicates that the symbol for scheduling the physical uplink channel on the mth time slot is an uplink symbol or a flexible symbol.
  • the fourth partial timeslot of the P timeslots is determined according to the first RRC information and the preset dynamic information, including: the nth timeslot is one of the fourth partial timeslots. slot, the first RRC information or the preset dynamic information indicates that the symbol for scheduling the physical uplink channel on the nth time slot is an uplink symbol or a flexible symbol.
  • the flexible symbols do not include symbols used for switching between uplink transmission and downlink transmission.
  • the processing unit 310 is further configured to: on the P time slots, other dynamic information that is not expected to be received affects the transmission of the physical uplink channel.
  • At least one of the P time slots includes the Qth time slot
  • the symbols for scheduling the physical uplink channel on the Qth time slot include downlink symbols and/or symbols used for uplink transmission and symbols converted between downlink transmissions
  • the communication unit 320 is further specifically configured to: not send the physical uplink channel on the Qth time slot; or, schedule all the physical uplink channels on the Qth time slot
  • the physical uplink channel is sent on symbols other than the downlink symbols and/or symbols used for conversion between uplink transmission and downlink transmission among the symbols of the physical uplink channel.
  • the other symbols include symbols carrying a demodulation reference signal DMRS.
  • the interval between the first moment and the start symbol of the first time slot carrying the physical uplink channel is N symbols, and N is a positive integer;
  • the interval between the first symbols carrying the physical uplink channel is M symbols, where M is a positive integer.
  • the N is determined according to at least one of the following: the capability of the terminal device, the subcarrier spacing, and RRC information; and/or the M is determined according to at least one of the following: the capability of the terminal device, the subcarrier spacing, the RRC information information.
  • the communication unit 320 is further configured to: after the first time instant, do not expect to receive dynamic information for modifying the transmission of the physical uplink channel.
  • the communication unit 320 is further configured to not expect to receive dynamic information for modifying the transmission of the physical uplink channel from the first time to the time when the expiration of the second dynamic information expires.
  • the P is greater than or equal to S, and the S is the number of times of repeated transmission of the physical uplink channel indicated by the configuration information, or the P is determined according to a time delay requirement.
  • the physical uplink channel is a physical uplink shared channel PUSCH or a physical uplink control channel PUCCH.
  • Fig. 8 is a schematic structural diagram of another apparatus for determining transmission resources of a physical uplink channel provided by an embodiment of the present application.
  • the apparatus 400 for determining physical uplink channel transmission resources includes at least one memory 410 and at least one processor 420, the at least one memory 410 is used for storing programs, and the at least one processor 420 is used for running the program to implement the method 200 described above.
  • the processor in the embodiment of the present application may be a central processing unit (central processing unit, CPU), and the processor may also be other general-purpose processors, digital signal processors (digital signal processors, DSP), application-specific integrated circuits (application specific integrated circuit, ASIC), off-the-shelf programmable gate array (field programmable gate array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc.
  • a general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the memory in the embodiments of the present application may be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically programmable Erase programmable read-only memory (electrically EPROM, EEPROM) or flash memory.
  • Volatile memory may be random access memory (RAM), which acts as an external cache.
  • RAM random access memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • SDRAM synchronous dynamic random access memory
  • DDR SDRAM double data rate synchronous dynamic random access memory
  • enhanced SDRAM enhanced synchronous dynamic random access memory
  • SLDRAM synchronous connection dynamic random access memory Fetch memory
  • direct memory bus random access memory direct rambus RAM, DR RAM
  • Embodiments of the present application further provide a computer-readable storage medium, where the computer-readable storage medium has program instructions, and when the program instructions are directly or indirectly executed, the foregoing method can be implemented.
  • Embodiments of the present application also provide a computer program product including instructions, which, when running on a computing device, enables the computing device to execute the foregoing method, or enables the computing device to implement the foregoing determination of the transmission resources of the physical uplink channel function of the device.
  • An embodiment of the present application further provides a chip, including at least one processor and an interface circuit, where the interface circuit is configured to provide program instructions or data for the at least one processor, and the at least one processor is configured to execute the program instructions , so that the above method can be realized.
  • An embodiment of the present application further provides a terminal device, including the foregoing apparatus for determining transmission resources of a physical uplink channel.
  • the above embodiments may be implemented in whole or in part by software, hardware, firmware or any other combination.
  • the above-described embodiments may be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions or computer programs. When the computer instructions or computer programs are loaded or executed on a computer, all or part of the processes or functions described in the embodiments of the present application are generated.
  • the computer may be a general purpose computer, special purpose computer, computer network, or other programmable device.
  • the computer instructions may be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be downloaded from a website site, computer, server, or data center Transmission to another website site, computer, server or data center by wire (eg, infrared, wireless, microwave, etc.).
  • the computer-readable storage medium may be any available medium that a computer can access, or a data storage device such as a server, a data center, or the like containing one or more sets of available media.
  • the usable media may be magnetic media (eg, floppy disks, hard disks, magnetic tapes), optical media (eg, DVDs), or semiconductor media.
  • the semiconductor medium may be a solid state drive.
  • the disclosed system, apparatus and method may be implemented in other manners.
  • the apparatus embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented.
  • the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
  • 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.
  • 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 et un appareil permettant de déterminer une ressource de transmission de canal de liaison montante physique. Le procédé consiste à : déterminer un premier moment en fonction de premières informations qui sont utilisées pour ordonner la transmission d'un canal de liaison montante physique, les premières informations étant configurées par une couche élevée ou indiquées par des premières informations dynamiques, et le premier moment étant antérieur au premier symbole ou intervalle de temps qui porte le canal de liaison montante physique ; et envoyer le canal de liaison montante physique sur au moins un intervalle de temps parmi P intervalles de temps, P étant un nombre entier positif, et les P intervalles de temps étant déterminés au premier moment en fonction des premières informations RRC et/ou des secondes informations dynamiques, les premières informations RRC étant utilisées pour indiquer tous les symboles dans les P intervalles de temps, les secondes informations dynamiques étant utilisées pour déterminer tout ou partie des symboles dans les P intervalles de temps, et l'un des symboles étant un symbole de liaison montante, un symbole de liaison descendante ou un symbole flexible. Ainsi, un intervalle de temps pour transmettre un canal de liaison montante physique est déterminé avant le premier symbole ou intervalle de temps qui porte le canal de liaison montante physique, ce qui garantit que le nombre de transmissions de répétition du canal de liaison montante physique satisfait à une exigence.
PCT/CN2022/079461 2021-03-11 2022-03-07 Procédé et appareil pour déterminer une ressource de transmission de canal de liaison montante physique WO2022188724A1 (fr)

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CN202110346781.XA CN115087109A (zh) 2021-03-11 2021-03-31 确定物理上行信道传输资源的方法及其装置

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