WO2022148011A1 - Pucch的重复传输次数的指示和获取方法、装置和系统 - Google Patents

Pucch的重复传输次数的指示和获取方法、装置和系统 Download PDF

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Publication number
WO2022148011A1
WO2022148011A1 PCT/CN2021/109135 CN2021109135W WO2022148011A1 WO 2022148011 A1 WO2022148011 A1 WO 2022148011A1 CN 2021109135 W CN2021109135 W CN 2021109135W WO 2022148011 A1 WO2022148011 A1 WO 2022148011A1
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Prior art keywords
repeated transmission
pucch
repeated
current
resource index
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PCT/CN2021/109135
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English (en)
French (fr)
Inventor
李南希
朱剑驰
郭婧
尹航
佘小明
陈鹏
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China Telecom Corp Ltd
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China Telecom Corp Ltd
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Priority to JP2023541649A priority Critical patent/JP7583945B2/ja
Priority to EP21917054.5A priority patent/EP4277185A4/en
Priority to US18/271,361 priority patent/US12200712B2/en
Publication of WO2022148011A1 publication Critical patent/WO2022148011A1/zh
Anticipated expiration legal-status Critical
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1858—Transmission or retransmission of more than one copy of acknowledgement message
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1864—ARQ related signaling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H04W72/232—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling

Definitions

  • the present disclosure relates to the field of wireless communication, and in particular, to a method, apparatus and system for indicating and obtaining the number of repeated transmissions of PUCCH.
  • PUCCH Physical Uplink Control Channel, Physical Uplink Control Channel
  • CSI Channel State Information, channel state information
  • SR Switchuling Request, scheduling request
  • HARQ-ACK Hybrid Automatic Repeat request- Acknowledgement, Hybrid Automatic Retransmission Request Acknowledgement
  • the PUCCH resources of CSI and SR are semi-statically configured by RRC (Radio Resource Control, Radio Resource Control) signaling
  • the PUCCH resources of HARQ-ACK are semi-statically configured by RRC signaling
  • the downlink control information is configured by DCI (Downlink Control Information) ) to determine the used PUCCH resource.
  • DCI Downlink Control Information
  • the base station can configure several PUCCH resource sets for the UE through RRC signaling, and each PUCCH resource set can be configured with several PUCCH resources.
  • Each PUCCH resource corresponds to one PUCCH format.
  • PUCCH formats 1, 3, and 4 support repeated transmission, and the number of repeated transmissions is configured by RRC signaling respectively.
  • the UE User Equipment, user terminal
  • the UE will repeatedly transmit the PUCCH carrying the UCI (Uplink Control Information, uplink control information) in n consecutive time slots. At this time, the number of consecutive symbols of each repeatedly transmitted PUCCH and the position of the starting symbol are the same.
  • a method for indicating the number of repeated transmissions of a physical uplink control channel including:
  • the current resource index number is sent to the user terminal, and the current number of repeated transmissions is indicated by the current resource index number, so that the user terminal can decode the received current resource index number to determine the current number of repeated transmissions.
  • the determining the number of repeated transmission times corresponding to each PUCCH resource by using a predetermined rule includes:
  • the number of repeated transmissions corresponding to each PUCCH resource is determined.
  • the determining the number of repeated transmission times corresponding to each PUCCH resource includes:
  • the determining a repeated transmission parameter corresponding to each PUCCH resource includes:
  • the repeated transmission parameter of the sequence number is used as the repeated transmission parameter corresponding to the resource index number.
  • the determining the sequence number of the repeated transmission parameter corresponding to the sequence number of each PUCCH resource index number includes:
  • the sequence number of the repeated transmission parameter is determined according to the total number of elements of the repeated transmission parameter set.
  • the determining the number of repeated transmissions corresponding to each repeated transmission parameter includes:
  • Each repeated transmission parameter in the repeated transmission parameter set is used as the number of repeated transmissions.
  • Each repeated transmission parameter in the repeated transmission parameter set is set as an offset value relative to the repeated transmission times corresponding to the format PUCCH within a predefined repeated transmission times set.
  • the received current resource index number is decoded by using a predetermined rule to obtain the corresponding current repeated transmission times.
  • the decoding of the received current resource index number using a predetermined rule, and the acquisition of the corresponding current repeated transmission times includes:
  • the corresponding current repeated transmission times are determined.
  • determining the corresponding repeated transmission parameter according to the received current resource index number includes:
  • the repeated transmission parameter of the sequence number is used as the repeated transmission parameter corresponding to the current resource index number.
  • the determining the sequence number of the repeated transmission parameter corresponding to the sequence number of the current resource index number includes:
  • the sequence number corresponding to the repeated transmission parameter is determined according to the total number of elements of the repeated transmission parameter set.
  • the determining the corresponding current number of repeated transmissions according to the determined repeated transmission parameters includes:
  • the determined repeated transmission parameters are used as the corresponding current repeated transmission times.
  • the determining the corresponding current number of repeated transmissions according to the determined repeated transmission parameters includes:
  • each repeated transmission parameter in the repeated transmission parameter set is an offset value in the repeated transmission times set relative to the repeated transmission times corresponding to the PUCCH format
  • the repeated transmission times of the PUCCH resource of the PUCCH format and a predefined set of repeated transmission times to determine the corresponding current repeated transmission times.
  • a base station comprising:
  • a resource configuration module configured to configure multiple physical uplink control channel PUCCH resources for the user terminal through radio resource control signaling
  • a corresponding relationship determination module configured to determine the number of repeated transmissions corresponding to each PUCCH resource by using a predetermined rule
  • a repeated transmission times determination module configured to determine the current repeated transmission times of the PUCCH transmission performed by the user terminal
  • the resource index number determination module is configured to determine the current resource index number of the resource used by the user terminal corresponding to the current repeated transmission number to perform PUCCH transmission according to the corresponding relationship between the resource index number of the PUCCH and the number of repeated transmissions;
  • the repeated transmission times indicating module is configured to send the current resource index number to the user terminal, and indicate the current repeated transmission times through the current resource index number, so that the user terminal can decode the received current resource index number and determine the current number of repeated transmissions.
  • the base station is configured to perform operations implementing the indication method as described in any of the above embodiments.
  • a user terminal comprising:
  • a resource configuration receiving module configured to receive resource configuration information of multiple physical uplink control channel PUCCH resources configured by the base station for the user terminal through radio resource control signaling;
  • the resource index number receiving module is configured to receive the current resource index number of the resource used by the user terminal for PUCCH transmission sent by the base station;
  • the repeated transmission times obtaining module is configured to decode the received current resource index number by using a predetermined rule, and obtain the corresponding current repeated transmission times.
  • the user terminal is configured to perform operations implementing the obtaining method as described in any of the above embodiments.
  • a computer apparatus comprising:
  • a memory configured to store instructions
  • a processor configured to execute the instructions, so that the computer apparatus executes an operation of implementing the instruction method described in any of the foregoing embodiments or the obtaining method described in any of the foregoing embodiments.
  • non-transitory computer-readable storage medium wherein the non-transitory computer-readable storage medium stores computer instructions that, when executed by a processor, implement any of the above The indication method described in the embodiments, or the acquisition method described in any of the foregoing embodiments.
  • FIG. 1a is a schematic diagram of some embodiments of a method for indicating the number of repeated transmissions of a physical uplink control channel disclosed in FIG. 1 .
  • FIG. 1b is a schematic diagram of other embodiments of the method for indicating the number of repeated transmissions of the physical uplink control channel disclosed in FIG.
  • FIG. 2a is a schematic diagram of some embodiments of the method for obtaining the repeated transmission times of the physical uplink control channel of the present disclosure.
  • FIG. 2b is a schematic diagram of other embodiments of the method for obtaining the repeated transmission times of the physical uplink control channel disclosed in FIG. 2b.
  • FIG. 3 is a schematic diagram of some embodiments of the disclosed base station.
  • FIG. 4 is a schematic diagram of some embodiments of the disclosed user terminal.
  • FIG. 6 is a schematic structural diagram of some embodiments of the disclosed computer apparatus.
  • the number of repeated transmissions of PUCCH can only be configured semi-statically through RRC signaling, but this method may cause waste of resources. PUCCH until the configured number of repeated transmissions is reached. On the other hand, it may affect the transmission of PUSCH (Physical Uplink Shared Channel). When PUCCH and PUSCH overlap in transmission resources, PUSCH transmission will be discarded. Therefore, redundant PUCCH transmission may affect the transmission of PUSCH. The transmission performance of PUSCH is adversely affected. Therefore, it is necessary to introduce a method for dynamically indicating the number of times of repeated PUCCH transmission, so that the base station can flexibly configure the repeated transmission of PUCCH, thereby improving uplink resource utilization efficiency and transmission performance.
  • PUSCH Physical Uplink Shared Channel
  • the dynamic indication method is implemented by increasing the field of DCI, however, this method will increase the overhead of DCI. Since the DCI is carried on the PDCCH (Physical Downlink Control Channel, physical uplink shared channel), the increase of the DCI overhead may affect the performance of the PDCCH.
  • PDCCH Physical Downlink Control Channel
  • the present disclosure provides a method, apparatus and system for indicating and obtaining the number of repeated transmissions of PUCCH, which can enable the base station to dynamically repeat the transmission of PUCCH without increasing the DCI overhead. number of times to configure.
  • Step 11 the base station configures multiple PUCCH resources for the user terminal through radio resource control signaling.
  • Step 13 the base station determines the current repeated transmission times of the PUCCH transmission performed by the user terminal
  • Step 14 the base station determines the current resource index number of the resource used for PUCCH transmission by the user terminal corresponding to the current repeated transmission number according to the corresponding relationship between the resource index number of the PUCCH and the number of repeated transmissions;
  • Step 10 Pre-defining on both sides of the base station and the user terminal how to repeat the transmission times rules corresponding to each PUCCH resource and a set of PUCCH repeated transmission parameters.
  • step 10 may include:
  • step 101 a rule (algorithm) of how to repeat the transmission times corresponding to each PUCCH resource is pre-defined through a protocol on both sides of the base station and the user terminal.
  • Step 102 Predefine a set of repeated transmission parameters of the PUCCH on both sides of the base station and the user terminal, and set the sequence number i of each repeated transmission parameter in the set of repeated transmission parameters, wherein the total number of factors in the set of repeated transmission parameters is N, representing N types of PUCCH repeated transmission parameters need to be configured, and each repeated transmission parameter corresponds to one type of repeated transmission times.
  • step 102 may include: assuming that N kinds of PUCCH repeated transmission parameters need to be configured, the N kinds of configurations are represented by ⁇ k 1 , k 2 , . . . , k N ⁇ , where k i (1 ⁇ i ⁇ N) is an integer, corresponding to a configuration of the number of times of PUCCH repeated transmission.
  • 4 kinds of PUCCH repeated transmission parameters ⁇ 1, 2, 4, 8 ⁇ may be pre-configured, representing the times of 1, 2, 4, and 8 repeated PUCCH transmissions, respectively.
  • k i may represent a specific number of repeated transmissions, or may represent an offset value from the standard number of repeated transmissions of the PUCCH resource in the corresponding PUCCH format configured by the RRC.
  • the number of PUCCH repeated transmissions that can be configured in the current protocol is that the set of PUCCH repeated transmission times is ⁇ 1, 2, 4, 8 ⁇ , and the number of repeated transmissions of PUCCH format 1 configured by RRC is 4, and the number of repeated transmissions of PUCCH format 3 is configured to be 8 .
  • the actual PUCCH repeated transmission times configured in this embodiment are: ⁇ 4, 2, 8, 1 ⁇ (PUCCH format 1) and ⁇ 8, 4, 8, 2 ⁇ (PUCCH format 3).
  • Step 11 the base station configures multiple PUCCH resources for the user terminal through the radio resource control RRC signaling.
  • step 11 may include: the base station configures several PUCCH resource sets for the user terminal through RRC signaling, and configures several PUCCH resources for each resource set, and a resource index number of each resource.
  • a PUCCH resource indicator may be used to indicate the resource index number of each resource.
  • PUCCH resource indicator occupies M information bits
  • 2 M PUCCH resource index numbers may be indicated.
  • PUCCH resource indicator occupies 3 information bits, indicating 8 PUCCH resource index numbers, and the PUCCH resources corresponding to different indexes and their formats are shown in Table 1.
  • 2 PUCCH resources may use PUCCH format 1
  • 3 PUCCH resources may use PUCCH format 3
  • 3 PUCCH resources may use PUCCH format 4.
  • Step 12 the base station determines the number of repeated transmissions corresponding to each PUCCH resource by using a predetermined rule, that is, determines the corresponding relationship between the resource index number of each PUCCH and the number of repeated transmissions.
  • step 12 may include step 121 and step 122, wherein:
  • Step 121 Classify all PUCCH resources according to the PUCCH format.
  • Step 122 in each classification, determine the number of repeated transmissions corresponding to each PUCCH resource.
  • step 122 the step of determining the number of repeated transmissions corresponding to each PUCCH resource may include step a and step b, wherein:
  • Step a Determine the repeated transmission parameter corresponding to each PUCCH resource.
  • step a may include steps a1 to a4, wherein:
  • Step a1 Set the sequence number of each repeated transmission parameter in the repeated transmission parameter set of the PUCCH.
  • Step a2 sort the resource index numbers of all PUCCHs in each category.
  • PUCCH resource indicator occupies M information bits
  • 2 M PUCCH resource index numbers may be indicated.
  • step a2 may include: assuming that among the 2M PUCCH resources, there are a 1 PUCCH resources that use PUCCH format 1, and the corresponding PUCCH resource index numbers are sorted in ascending order as There are a 3 PUCCH resources using PUCCH format 3, and the corresponding PUCCH resource index numbers are sorted in ascending order as There are a 4 PUCCH resources using PUCCH format 4, and the corresponding PUCCH resource index numbers are sorted in ascending order as
  • Step a3 Determine the sequence number of the repeated transmission parameter corresponding to the sequence number of each PUCCH resource index number.
  • the step a3 may include: performing a remainder operation on the sequence number of each PUCCH resource index number and the total number of elements in the repeated transmission parameter set; if the remainder is not zero, The sequence number of the repeated transmission parameter is determined according to the remainder; if the remainder is zero, the sequence number of the repeated transmission parameter is determined according to the total number of elements in the repeated transmission parameter set.
  • step a3 may include: assuming that the PUCCH resource indicated by the current DCI adopts PUCCH format 1, and the corresponding PUCCH resource index number is x l , where Suppose xl is For the Pth element in , the sequence number Q of each repeated transmission parameter k Q in the N repeated transmission parameter sets ⁇ k 1 , k 1 , . . . , k N ⁇ can be determined according to formula (1).
  • the mod operation that is, the remainder operation, is an operation of finding the remainder of dividing an integer P by another integer N in an integer operation, and the quotient of the operation is not considered.
  • Step a4 the repeated transmission parameter of the sequence number is used as the repeated transmission parameter corresponding to the resource index number.
  • Step b Determine the number of repeated transmissions corresponding to each repeated transmission parameter.
  • step b may include: the number of repeated transmissions of the PUCCH indicated by the current DCI is determined according to a repeated transmission parameter k Q , where k Q ⁇ ⁇ k 1 , k 1 , . . . , k N ⁇ .
  • the set of repeated transmission parameters is a set of predefined repeated transmission times.
  • Step b may include: taking each repeated transmission parameter in the repeated transmission parameter set as the number of repeated transmissions.
  • step b may include: configuring the number of repeated transmissions of PUCCH resources of each PUCCH format; setting each repeated transmission parameter in the set of repeated transmission parameters to be within a predefined number of repeated transmissions The offset value in the set relative to the number of repeated transmissions corresponding to the format PUCCH.
  • PUCCH repeated transmission parameters ⁇ 0, -1, 1, -2 ⁇ are configured, which represent the offset value of the corresponding PUCCH repeated transmission times configured by RRC, wherein 0 represents a value that is the same as the RRC configuration.
  • the RRC configurations are equal, -1 means the number of configurable repeated transmissions one level lower than the RRC configuration, 1 means the number of configurable repeated transmissions one level higher than the RRC configuration, and so on.
  • the number of PUCCH repeated transmissions that can be configured in the current protocol is that the set of PUCCH repeated transmission times is ⁇ 1, 2, 4, 8 ⁇ , and the number of repeated transmissions of PUCCH format 1 configured by RRC is 4, and the number of repeated transmissions of PUCCH format 3 is configured to be 8 .
  • the actual PUCCH repeated transmission times configured in this embodiment are: ⁇ 4, 2, 8, 1 ⁇ (PUCCH format 1) and ⁇ 8, 4, 8, 2 ⁇ (PUCCH format 3).
  • the finally configured number of times of repeated transmission of PUCCH will not exceed the range of times of repeated transmission of PUCCH that can be configured in the current protocol.
  • the minimum value of the number of times of repeated transmission of the PUCCH is 1, and the maximum value is 8.
  • Step 13 the base station determines the current number of repeated transmissions (Dynamic PUCCH repetition factor) for the user terminal to perform PUCCH transmission.
  • the current number of repeated transmissions refers to the currently determined number of repeated transmissions, which is the number of repeated transmissions used by the user terminal for PUCCH transmission in the next stage.
  • step 13 may include: the base station determines the current repeated transmission times of the PUCCH transmission performed by the user terminal according to the channel condition of the uplink channel of the user. For example, when the channel condition of the user's uplink channel is poor, the current repeated transmission times are increased to improve the transmission accuracy; when the channel condition of the user's uplink channel is good, the current repeated transmission times are reduced to improve the transmission accuracy. transmission efficiency.
  • Step 14 the base station determines the current resource index number of the resource used for PUCCH transmission by the user terminal corresponding to the current number of repeated transmissions according to the corresponding relationship between the resource index number of the PUCCH and the number of repeated transmissions.
  • the repeated transmission times determined by the three PUCCH resources with the PUCCH resource index numbers 2 and 5 in Table 1 are the second repeated transmission times in the PUCCH repeated transmission times set ⁇ 1, 2, 4, 8 ⁇ , that is, the repeated transmission times.
  • the number of transfers is 2. If the current number of repeated transmissions is 2, the PUCCH resource index number of 2 or 5 may be selected as the current resource index number.
  • Step 15 the base station sends the current resource index number to the user terminal through the downlink control information DCI, and indicates the current repeated transmission times through the current resource index number, so that the user terminal decodes the received current resource index number and determines. the current number of repeated transmissions.
  • step 15 may include: sending the PUCCH resource index number used by the user terminal for PUCCH transmission to the user terminal through the PUCCH resource indicator information domain name of the downlink control information (DCI) to indicate the corresponding PUCCH
  • DCI downlink control information
  • the PUCCH resource index number used for transmission and implicitly indicate the number of PUCCH repeated transmissions of the user terminal, so that the user terminal first decodes the PUCCH resource indicator to obtain the PUCCH resource index number, and then repeats the PUCCH according to the PUCCH resource index number used for PUCCH transmission.
  • the number of repeated transmissions of PUCCH can only be configured semi-statically through RRC signaling, which may cause waste of resources and may adversely affect the transmission performance of PUSCH.
  • the dynamic indication of the number of repeated transmissions of the real PUCCH will increase the overhead of DCI and may affect the performance of the PDCCH.
  • the number of repeated transmissions of the PUCCH can be implicitly and dynamically indicated through DCI, so that the base station can dynamically indicate the number of repeated transmissions of the PUCCH without increasing the DCI overhead.
  • the number of repeated transmissions is configured, thereby improving the utilization efficiency of uplink resources and transmission performance.
  • the base station will indicate the specific PUCCH resource used by HARQ-ACK through the "PUCCH resource indicator (resource indicator)" information field of DCI, which occupies a maximum of 3 bits, corresponding to a maximum of 8 PUCCH resource indices, each PUCCH resource index corresponds to a PUCCH resource configured by an RRC.
  • the information field can be used to implicitly and dynamically indicate the number of repeated transmissions of HARQ-ACK, and it can also be extended to implicitly and dynamically indicate the number of repeated transmissions of other types of UCI.
  • FIG. 2a is a schematic diagram of some embodiments of the method for obtaining the repeated transmission times of the physical uplink control channel of the present disclosure.
  • this embodiment can be executed by the user terminal of the present disclosure.
  • the method may include steps 21-23, wherein:
  • Step 21 the user terminal receives resource configuration information of multiple physical uplink control channel PUCCH resources configured by the base station for the user terminal through radio resource control signaling.
  • Step 22 the user terminal receives the current resource index number of the resource used by the user terminal for PUCCH transmission sent by the base station.
  • Step 23 the user terminal decodes the received current resource index number using a predetermined rule, and obtains the corresponding current repeated transmission times.
  • FIG. 2b is a schematic diagram of other embodiments of the method for obtaining the repeated transmission times of the physical uplink control channel disclosed in FIG. 2b.
  • this embodiment can be executed by the user terminal of the present disclosure.
  • the method may include steps 20-23, wherein:
  • Step 21 the user terminal receives resource configuration information of multiple physical uplink control channel PUCCH resources configured by the base station for the user terminal through radio resource control signaling.
  • Steps 20 and 21 in the embodiment of FIG. 2b are the same as or similar to steps 10 and 1b in the embodiment of FIG. 1b, and will not be described in detail here.
  • Step 22 the user terminal receives the current resource index number of the resource used by the user terminal for PUCCH transmission sent by the base station.
  • step 22 may include: the user terminal receives the "PUCCH resource indicator" information field of the DCI sent by the base station, decodes the "PUCCH resource indicator” information field of the DCI, and obtains the information that the user terminal performs for PUCCH transmission. Takes the current resource index number of the resource.
  • Step 23 the user terminal decodes the received current resource index number using a predetermined rule, obtains the corresponding current repeated transmission times, and performs corresponding PUCCH transmission.
  • step 23 the received current resource index number is decoded by using a predetermined rule, and the step of obtaining the corresponding current repeated transmission times may include steps 231 and 232, wherein:
  • Step 231 Determine the corresponding repeated transmission parameter according to the received current resource index number.
  • step 231 may include steps 2311-2314, wherein:
  • Step 2311 Determine the sequence number of the received current resource index number in the resource index numbers of all PUCCHs in the PUCCH format.
  • Step 2312 Set the sequence number of each repeated transmission parameter in the repeated transmission parameter set of the PUCCH.
  • Step 2313 Determine the sequence number of the repeated transmission parameter corresponding to the sequence number of the current resource index number.
  • step 2313 may include: performing a remainder operation on the sequence number of the current resource index number and the total number of elements in the repeated transmission times set; if the remainder is not zero, determining the corresponding repeated transmission according to the remainder The serial number of the parameter; if the remainder is zero, the serial number of the corresponding repeated transmission parameter is determined according to the total number of elements in the repeated transmission parameter set.
  • Step 2314 Use the repeated transmission parameter of the sequence number as the repeated transmission parameter corresponding to the current resource index number.
  • Step 232 Determine the corresponding current repeated transmission times according to the determined repeated transmission parameters.
  • step 232 may include: in the case that the set of repeated transmission parameters is a predefined set of repeated transmission times, using the determined repeated transmission parameters as the corresponding current repeated transmission times.
  • step 232 may include: in the case that each repeated transmission parameter in the repeated transmission parameter set is an offset value in the repeated transmission times set relative to the repeated transmission times corresponding to the format PUCCH, according to the determined The repeated transmission parameter, the repeated transmission times of the PUCCH resource in the PUCCH format, and the predefined set of repeated transmission times are used to determine the corresponding current repeated transmission times.
  • the repeated transmission times determined by the three PUCCH resources with the PUCCH resource index numbers 2 and 5 in Table 1 are all the first times in the set of PUCCH repeated transmission times ⁇ 1, 2, 4, 8 ⁇ .
  • Two repeated transmission times that is, the repeated transmission times are 2 times; if the current repeated transmission times are 2, and if the PUCCH resource index number is selected to be 5, the PUCCH resource indicator is 100; then the user terminal receives the PUCCH resource indicator as 100 , the user terminal decodes 100 and obtains that the current resource index number of PUCCH is 5; the current resource index number is 5, and the sequence number in PUCCH format 3 of Table 1 is 2;
  • the total number of elements of ⁇ is 4, and the current number of repeated transmissions is 2.
  • the number of repeated transmissions of the PUCCH can be dynamically indicated implicitly through DCI, and the number of repeated transmissions of the PUCCH can be received by the base station without increasing the DCI overhead. Dynamic PUCCH repeat transmission times configuration, thereby improving uplink resource utilization efficiency and transmission performance.
  • PUCCH resource indicator occupies 3 information bits, indicating 8 PUCCH resource indices, and the PUCCH resources corresponding to different indices and their formats are shown in Table 1.
  • PUCCH repeated transmission parameters ⁇ 1, 2, 4, 8 ⁇ are configured, which represent the times of 1, 2, 4, and 8 repeated PUCCH transmissions, respectively.
  • the corresponding PUCCH resource adopts PUCCH format 1
  • PUCCH resource indicator occupies 3 information bits, indicating 8 PUCCH resource indices, and the PUCCH resources corresponding to different indices and their formats are shown in Table 1.
  • PUCCH repeated transmission parameters ⁇ 0,-1,1,-2 ⁇ are configured, which represent the offset value of the corresponding PUCCH repeated transmission times configured by RRC, wherein 0 indicates that the value is equal to that configured by RRC, -1 means the number of configurable repeated transmissions one level lower than the RRC configuration, 1 means the number of configurable repeated transmissions one level higher than the RRC configuration, and so on.
  • the number of PUCCH repeated transmissions that can be configured in the current protocol is the set of standard PUCCH repeated transmission times of ⁇ 1, 2, 4, 8 ⁇ , and the number of repeated transmissions of PUCCH format 1 configured by RRC is 4, and the number of repeated transmissions of configured PUCCH format 3 is 8.
  • the actual PUCCH repeated transmission times configured in this embodiment are: ⁇ 4, 2, 8, 1 ⁇ (PUCCH format 1) and ⁇ 8, 4, 8, 2 ⁇ (PUCCH format 3).
  • the finally configured number of times of repeated transmission of PUCCH will not exceed the range of times of repeated transmission of PUCCH that can be configured in the current protocol.
  • the minimum value of the number of times of PUCCH repeated transmission is 1, and the maximum value is 8.
  • FIG. 3 is a schematic diagram of some embodiments of the disclosed base station.
  • the base station of the present disclosure may include a resource configuration module 31, a corresponding relationship determination module 32, a repeated transmission number determination module 33, a resource index number determination module 34, and a repeated transmission number indication module 35, wherein:
  • the correspondence determination module 32 may be configured to set the sequence number of each repeated transmission parameter in the repeated transmission parameter set of the PUCCH; Sorting the resource index numbers of all PUCCHs in each classification; determining the sequence number of the repeated transmission parameter corresponding to the sequence number of each PUCCH resource index number; using the repeated transmission parameter of the sequence number as the repeated transmission corresponding to the resource index number parameter.
  • the correspondence determination module 32 may be configured to determine the sequence number of each PUCCH resource index number corresponding to the sequence number of the repeated transmission parameter corresponding to the sequence number of each PUCCH resource index number. Perform a remainder operation with the total number of elements of the repeated transmission parameter set; if the remainder is not zero, determine the sequence number of the repeated transmission parameter according to the remainder; if the remainder is zero, according to the repeated transmission parameter set elements The total number determines the sequence number of the repeat transmission parameter.
  • the set of repeated transmission parameters is a predefined set of repeated transmission times; when the corresponding relationship determining module 32 determines the repeated transmission times corresponding to each repeated transmission parameter, it may be configured to Each repeated transmission parameter in the repeated transmission parameter set is used as the number of repeated transmissions.
  • the correspondence determination module 32 may be configured to configure the number of repeated transmissions of PUCCH resources of each PUCCH format in the case of determining the number of repeated transmissions corresponding to each repeated transmission parameter; Each repeated transmission parameter in the repeated transmission parameter set is set as an offset value relative to the repeated transmission times corresponding to the format PUCCH within the predefined repeated transmission times set.
  • the repeated transmission times determination module 33 is configured to determine the current repeated transmission times of the PUCCH transmission performed by the user terminal.
  • the resource index number determining module 34 is configured to determine the current resource index number of the resource used for PUCCH transmission by the user terminal corresponding to the current number of repeated transmissions according to the corresponding relationship between the resource index number of the PUCCH and the number of repeated transmissions.
  • the repeated transmission times indicating module 35 is configured to send the current resource index number to the user terminal, and indicate the current repeated transmission times through the current resource index number, so that the user terminal can decode the received current resource index number, The current number of repeated transmissions is determined.
  • the repeated transmission times indicating module 35 may be configured to send the PUCCH resource index number used by the user terminal for PUCCH transmission to the user terminal through the PUCCH resource indicator information domain name of the downlink control information to indicate The PUCCH resource index number used for the corresponding PUCCH transmission, and implicitly indicates the number of PUCCH repeated transmissions of the user terminal, so that the user terminal first decodes the PUCCH resource indicator to obtain the PUCCH resource index number, and then according to the PUCCH resource index number used for PUCCH transmission and Corresponding relationship of the times of repeated transmission of PUCCH, decode the received PUCCH resource index number, determine the times of repeated transmission of PUCCH, and perform corresponding PUCCH transmission.
  • the base station may be configured to pre-define a rule of how to repeat transmission times corresponding to each PUCCH resource and a set of repeat transmission parameters of the PUCCH.
  • the base station may be configured to perform the operation of implementing the method for indicating the number of repeated transmissions of the physical uplink control channel as described in any of the foregoing embodiments (eg, the embodiment of FIG. 1a or FIG. 1b ). .
  • the number of repeated transmissions of PUCCH can only be configured semi-statically through RRC signaling, which may cause waste of resources and may adversely affect the transmission performance of PUSCH.
  • the dynamic indication of the number of repeated transmissions of the real PUCCH will increase the overhead of DCI and may affect the performance of the PDCCH.
  • the number of PUCCH repeated transmissions can be implicitly and dynamically indicated through DCI, so that the base station can dynamically configure the number of PUCCH repeated transmissions without increasing the DCI overhead, thereby improving the uplink performance. Resource utilization efficiency and transmission performance.
  • FIG. 4 is a schematic diagram of some embodiments of the disclosed user terminal.
  • the user terminal of the present disclosure may include a resource configuration receiving module 41, a resource index number receiving module 42 and a repeated transmission times obtaining module 43, wherein:
  • the resource configuration receiving module 41 is configured to receive resource configuration information of multiple physical uplink control channel PUCCH resources configured by the base station for the user terminal through radio resource control signaling.
  • the resource index number receiving module 42 is configured to receive the current resource index number of the resource used by the user terminal for PUCCH transmission sent by the base station.
  • the repeated transmission times acquisition module 43 may be configured to determine that the received current resource index number is in the The sequence number in the resource index numbers of all PUCCHs in the PUCCH format; the sequence number of each repeated transmission parameter in the repeated transmission parameter set of the PUCCH is set; the sequence number of the repeated transmission parameter corresponding to the sequence number of the current resource index number is determined; The repeated transmission parameter of the sequence number is used as the repeated transmission parameter corresponding to the current resource index number.
  • the repeated transmission times obtaining module 43 may be configured to obtain the sequence number and repetition of the current resource index number in the case of determining the sequence number of the repeated transmission parameter corresponding to the sequence number of the current resource index number. Perform a remainder operation on the total number of elements in the set of transmission times; if the remainder is not zero, determine the sequence number corresponding to the repeated transmission parameter according to the remainder; if the remainder is zero, determine the corresponding sequence number according to the total number of elements in the repeated transmission parameter set The sequence number of the repeat transmission parameter.
  • the repeated transmission times acquisition module 43 may be configured to set the repeated transmission parameter set to a predefined repeated transmission times when the corresponding current repeated transmission times are determined according to the determined repeated transmission parameters. In the case of a set, the determined repeated transmission parameters are used as the corresponding current repeated transmission times.
  • the repeated transmission times obtaining module 43 may be configured to obtain each repeated transmission parameter in the repeated transmission parameter set in the case of determining the corresponding current repeated transmission times according to the determined repeated transmission parameters. In the case of the offset value of the number of repeated transmissions in the set of repeated transmission times relative to the number of repeated transmissions corresponding to the format PUCCH, according to the determined repeated transmission parameters, the number of repeated transmissions of the PUCCH resources of the PUCCH format, and the predefined set of repeated transmission times, determine the corresponding The current number of repeat transmissions.
  • the user terminal may be configured to perform the acquisition of the number of repeated transmissions of the physical uplink control channel described in any of the foregoing embodiments (for example, the embodiment of FIG. 2a or the embodiment of FIG. 2b ). method operation.
  • the number of PUCCH repeated transmissions can be implicitly and dynamically indicated through DCI, and the dynamic PUCCH repeated transmission times configuration performed by the base station for the user terminal can be received without increasing the DCI overhead, thereby improving the The uplink resource utilization efficiency and transmission performance are improved.
  • FIG. 5 is a schematic diagram of some embodiments of a system for indicating the number of repeated transmissions of a physical uplink control channel of the present disclosure.
  • the system for indicating the number of repeated transmissions of the physical uplink control channel of the present disclosure may include a base station 51 and a user terminal 52, wherein:
  • the base station 51 may be the base station described in any of the foregoing embodiments (for example, the embodiment in FIG. 3 ).
  • the user terminal 52 may be the user terminal described in any of the foregoing embodiments (for example, the embodiment in FIG. 4 ).
  • the number of repeated transmissions of the PUCCH can be implicitly and dynamically indicated through DCI.
  • the above embodiments of the present disclosure can enable the base station to dynamically configure the number of repeated PUCCH transmissions without increasing DCI overhead, thereby improving uplink resource utilization efficiency and transmission performance.
  • FIG. 6 is a schematic structural diagram of some embodiments of the disclosed computer apparatus.
  • the computer device may include a memory 61 and a processor 62 .
  • the memory 61 is used for storing instructions
  • the processor 62 is coupled to the memory 61, and the processor 62 is configured to implement the physical uplink control as described in any of the above embodiments (eg, the embodiment of FIG. 1a or FIG. 1b ) based on the execution of the instructions stored in the memory
  • the computer device may be implemented as a base station.
  • the computer apparatus may be implemented as a user terminal.
  • the computer apparatus further includes a communication interface 63 for exchanging information with other devices.
  • the computer device also includes a bus 64 , and the processor 62 , the communication interface 63 , and the memory 61 communicate with each other through the bus 64 .
  • the memory 61 may include high-speed RAM memory, and may also include non-volatile memory, such as at least one disk memory.
  • the memory 61 may also be a memory array.
  • the storage 61 may also be divided into blocks, and the blocks may be combined into virtual volumes according to certain rules.
  • processor 62 may be a central processing unit CPU, or may be an application specific integrated circuit ASIC, or one or more integrated circuits configured to implement embodiments of the present disclosure.
  • the number of repeated transmissions of the PUCCH may be implicitly and dynamically indicated through DCI.
  • the above embodiments of the present disclosure can enable the base station to dynamically configure the number of repeated PUCCH transmissions without increasing DCI overhead, thereby improving uplink resource utilization efficiency and transmission performance.
  • a non-transitory computer-readable storage medium wherein the non-transitory computer-readable storage medium stores computer instructions that, when executed by a processor, implement any of the above
  • the method for indicating the number of repeated transmissions of the physical uplink control channel described in the embodiment for example, the embodiment of FIG. 1a or FIG. 1b
  • the physical uplink control described in any of the above embodiments for example, the embodiment of FIG. 2a or FIG. 2b
  • the method for obtaining the repeated transmission times of the channel for example, the embodiment of FIG. 1a or FIG. 1b
  • the number of PUCCH repeated transmissions may be implicitly and dynamically indicated through DCI.
  • the above embodiments of the present disclosure can enable the base station to dynamically configure the number of repeated PUCCH transmissions without increasing DCI overhead, thereby improving uplink resource utilization efficiency and transmission performance.
  • the foregoing embodiments of the present disclosure may be applicable to the field of wireless communication technologies, especially the field of 5G.
  • the steps of implementing the above embodiments can be completed by hardware, or can be completed by instructing relevant hardware by a program, and the program can be stored in a non-transitory computer-readable storage medium
  • the storage medium mentioned above may be a read-only memory, a magnetic disk or an optical disk, and the like.

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Abstract

本公开涉及一种PUCCH的重复传输次数的指示和获取方法、装置和系统。该方法包括：通过无线资源控制信令为用户终端配置多个PUCCH资源；利用预定规则确定每个PUCCH资源对应的重复传输次数；确定用户终端进行PUCCH传输的当前重复传输次数；确定当前重复传输次数所对应的用户终端进行PUCCH传输所采用资源的当前资源索引号；向用户终端发送所述当前资源索引号，通过当前资源索引号指示所述当前重复传输次数，以便用户终端解码当前资源索引号，确定所述当前重复传输次数。本公开可以在不增加DCI开销的情况下，使得基站可以动态地对PUCCH重复传输次数进行配置，从而提高了上行资源利用效率与传输性能。

Description

PUCCH的重复传输次数的指示和获取方法、装置和系统
相关申请的交叉引用
本申请是以CN申请号为CN202110023352.9，申请日为2021年1月8日的申请为基础，并主张其优先权，该CN申请的公开内容在此作为整体引入本申请中。
技术领域
本公开涉及无线通信领域，特别涉及一种PUCCH的重复传输次数的指示和获取方法、装置和系统。
背景技术
PUCCH(Physical Uplink Control Channel，物理上行控制信道)主要用于承载上行控制信息，包括CSI(Channel State Information，信道状态信息)，SR(Scheduling Request,调度请求)和HARQ-ACK(Hybrid Automatic Repeat request-Acknowledgement，混合自动重传请求确认)。其中，CSI和SR的PUCCH资源由RRC(Radio Resource Control，无线资源控制)信令半静态配置，HARQ-ACK的PUCCH资源采用RRC信令半静态配置，以及通过DCI(Downlink Control Information，下行控制信息)指示的方式确定使用的PUCCH资源。
根据目前NR(New Radio，新空口)协议版本，在用户和基站建立RRC连接之后，基站可以通过RRC信令为UE配置若干个PUCCH资源集合，每个PUCCH资源集合又可以配置若干PUCCH资源，每个PUCCH资源对应一种PUCCH格式。其中，PUCCH格式1、3、4支持重复传输，重复传输次数由RRC信令分别配置。当配置了PUCCH重复传输次数为n时，UE(User Equipment，用户终端)会在连续n个时隙重复发送携带UCI(Uplink Control Information，上行控制信息)的PUCCH。此时，每个重复发送的PUCCH的连续符号数目，起始符号位置均相同。
发明内容
根据本公开的一个方面，提供一种物理上行控制信道的重复传输次数的指示方法，包括：
通过无线资源控制信令为用户终端配置多个物理上行控制信道PUCCH资源；
利用预定规则确定每个PUCCH资源对应的重复传输次数；
确定用户终端进行PUCCH传输的当前重复传输次数；
根据PUCCH的资源索引号和重复传输次数的对应关系，确定当前重复传输次数所对应的用户终端进行PUCCH传输所采用资源的当前资源索引号；
向用户终端发送所述当前资源索引号，通过所述当前资源索引号指示所述当前重复传输次数，以便用户终端解码接收到的所述当前资源索引号，确定所述当前重复传输次数。
在本公开的一些实施例中，所述向用户终端发送所述资源索引号包括：
通过下行控制信息的PUCCH资源指示符，向用户终端发送所述当前资源索引号。
在本公开的一些实施例中，所述利用预定规则确定每个PUCCH资源对应的重复传输次数包括：
按照PUCCH格式对所有PUCCH资源进行分类；
在每种分类中，确定每个PUCCH资源所对应的重复传输次数。
在本公开的一些实施例中，所述确定每个PUCCH资源所对应的重复传输次数包括：
确定每个PUCCH资源对应的重复传输参数；
确定每个重复传输参数对应的重复传输次数。
在本公开的一些实施例中，所述确定每个PUCCH资源对应的重复传输参数包括：
设定PUCCH的重复传输参数集合中每个重复传输参数的序号；
对每种分类中的所有PUCCH的资源索引号进行排序；
确定每个PUCCH资源索引号的顺序号对应的重复传输参数的序号；
将所述序号的重复传输参数作为该资源索引号对应的重复传输参数。
在本公开的一些实施例中，所述确定每个PUCCH资源索引号的顺序号对应的重复传输参数的序号包括：
对每个PUCCH资源索引号的顺序号和所述重复传输参数集合的元素总数进行求余运算；
在余数不为零的情况下，根据余数确定重复传输参数的序号；
在余数为零的情况下，根据所述重复传输参数集合的元素总数确定重复传输参数的序号。
在本公开的一些实施例中，所述重复传输参数集合为预定义的重复传输次数集合；
所述确定每个重复传输参数对应的重复传输次数包括：
将所述重复传输参数集合中每个重复传输参数作为重复传输次数。
在本公开的一些实施例中，所述确定每个重复传输参数对应的重复传输次数包括：
配置每种PUCCH格式的PUCCH资源的重复传输次数；
将所述重复传输参数集合中每个重复传输参数设置为在预定义的重复传输次数集合内相对该格式PUCCH对应重复传输次数的偏移值。
根据本公开的另一方面，提供一种物理上行控制信道的重复传输次数的获取方法，包括：
接收基站通过无线资源控制信令为用户终端配置的多个物理上行控制信道PUCCH资源的资源配置信息；
接收基站发送的用户终端进行PUCCH传输所采用资源的当前资源索引号；
利用预定规则对接收到的当前资源索引号进行解码，获取对应的当前重复传输次数。
在本公开的一些实施例中，所述利用预定规则对接收到的当前资源索引号进行解码，获取对应的当前重复传输次数包括：
根据接收到的当前资源索引号，确定对应的重复传输参数；
根据确定的重复传输参数，确定对应的当前重复传输次数。
在本公开的一些实施例中，所述根据接收到的当前资源索引号，确定对应的重复传输参数包括：
确定接收到的当前资源索引号在所述PUCCH格式的所有PUCCH的资源索引号中的顺序号；
设定PUCCH的重复传输参数集合中每个重复传输参数的序号；
确定当前资源索引号的顺序号所对应的重复传输参数的序号；
将该顺序号的重复传输参数作为当前资源索引号对应的重复传输参数。
在本公开的一些实施例中，所述确定当前资源索引号的顺序号所对应的重复传输参数的序号包括：
对当前资源索引号的顺序号和重复传输次数集合的元素总数进行求余运算；
在余数不为零的情况下，根据余数确定对应重复传输参数的序号；
在余数为零的情况下，根据所述重复传输参数集合的元素总数确定对应重复传输参数的序号。
在本公开的一些实施例中，所述根据确定的重复传输参数，确定对应的当前重复传输次数包括：
在重复传输参数集合为预定义的重复传输次数集合的情况下，将确定的重复传输参数 作为对应的当前重复传输次数。
在本公开的一些实施例中，所述根据确定的重复传输参数，确定对应的当前重复传输次数包括：
在重复传输参数集合中每个重复传输参数为重复传输次数集合内相对该格式PUCCH对应重复传输次数的偏移值的情况下，根据确定的重复传输参数、该PUCCH格式的PUCCH资源的重复传输次数和预定义的重复传输次数集合，确定对应的当前重复传输次数。
根据本公开的另一方面，提供一种基站，包括：
资源配置模块，被配置为通过无线资源控制信令为用户终端配置多个物理上行控制信道PUCCH资源；
对应关系确定模块，被配置为利用预定规则确定每个PUCCH资源对应的重复传输次数；
重复传输次数确定模块，被配置为确定用户终端进行PUCCH传输的当前重复传输次数；
资源索引号确定模块，被配置为根据PUCCH的资源索引号和重复传输次数的对应关系，确定当前重复传输次数所对应的用户终端进行PUCCH传输所采用资源的当前资源索引号；
重复传输次数指示模块，被配置为向用户终端发送所述当前资源索引号，通过所述当前资源索引号指示所述当前重复传输次数，以便用户终端解码接收到的所述当前资源索引号，确定所述当前重复传输次数。
在本公开的一些实施例中，所述基站被配置为执行实现如上述任一实施例所述的指示方法的操作。
根据本公开的另一方面，提供一种用户终端，包括：
资源配置接收模块，被配置为接收基站通过无线资源控制信令为用户终端配置的多个物理上行控制信道PUCCH资源的资源配置信息；
资源索引号接收模块，被配置为接收基站发送的用户终端进行PUCCH传输所采用资源的当前资源索引号；
重复传输次数获取模块，被配置为利用预定规则对接收到的当前资源索引号进行解码，获取对应的当前重复传输次数。
在本公开的一些实施例中，所述用户终端被配置为执行实现如上述任一实施例所述的 获取方法的操作。
根据本公开的另一方面，提供一种物理上行控制信道的重复传输次数的指示系统，包括如上述任一实施例所述的基站和如上述任一实施例所述的用户终端。
根据本公开的另一方面，提供一种计算机装置，包括：
存储器，被配置为存储指令；
处理器，被配置为执行所述指令，使得所述计算机装置执行实现如上述任一实施例所述的指示方法、或如上述任一实施例所述的获取方法的操作。
根据本公开的另一方面，提供一种非瞬时性计算机可读存储介质，其中，所述非瞬时性计算机可读存储介质存储有计算机指令，所述指令被处理器执行时实现如上述任一实施例所述的指示方法、或如上述任一实施例所述的获取方法。
附图说明
为了更清楚地说明本公开实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本公开的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1a为本公开物理上行控制信道的重复传输次数的指示方法一些实施例的示意图。
图1b为本公开物理上行控制信道的重复传输次数的指示方法另一些实施例的示意图。
图2a为本公开物理上行控制信道的重复传输次数的获取方法一些实施例的示意图。
图2b为本公开物理上行控制信道的重复传输次数的获取方法另一些实施例的示意图。
图3为本公开基站一些实施例的示意图。
图4为本公开用户终端一些实施例的示意图。
图5为本公开物理上行控制信道的重复传输次数的指示系统一些实施例的示意图。
图6为本公开计算机装置一些实施例的结构示意图。
具体实施方式
下面将结合本公开实施例中的附图，对本公开实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本公开一部分实施例，而不是全部的实施例。以下对至少一个示例性实施例的描述实际上仅仅是说明性的，决不作为对本公开及其应用或使用的任何限制。基于本公开中的实施例，本领域普通技术人员在没有做出创造性劳动前提下 所获得的所有其他实施例，都属于本公开保护的范围。
除非另外具体说明，否则在这些实施例中阐述的部件和步骤的相对布置、数字表达式和数值不限制本公开的范围。
同时，应当明白，为了便于描述，附图中所示出的各个部分的尺寸并不是按照实际的比例关系绘制的。
对于相关领域普通技术人员已知的技术、方法和设备可能不作详细讨论，但在适当情况下，所述技术、方法和设备应当被视为授权说明书的一部分。
在这里示出和讨论的所有示例中，任何具体值应被解释为仅仅是示例性的，而不是作为限制。因此，示例性实施例的其它示例可以具有不同的值。
应注意到：相似的标号和字母在下面的附图中表示类似项，因此，一旦某一项在一个附图中被定义，则在随后的附图中不需要对其进行进一步讨论。
相关技术PUCCH的重复传输次数仅可通过RRC信令半静态配置，但是这种方式一方面可能会造成资源浪费，比如PUCCH在某一次重复传输后已经被正确接收了，但是UE还是会继续重复传输PUCCH直到达到配置的重复传输次数。另一方面可能会影响到PUSCH(Physical Uplink Shared Channel,物理上行共享信道)的传输，当PUCCH与PUSCH在传输资源上发生交叠时，PUSCH传输会被舍弃，因此，多余的PUCCH传输可能会对PUSCH的传输性能带来不利的影响。因此，需要引入一种动态指示PUCCH重复传输次数的方法，使得基站可以对PUCCH重复传输进行灵活的配置，从而提高上行资源利用效率与传输性能。一般情况下，动态指示方法通过增加DCI的字段实现，然而，这种方式会增加DCI的开销。由于DCI承载在PDCCH(Physical Downlink Control Channel,物理上行共享信道)上，因此，DCI开销的增加可能会影响PDCCH的性能。
鉴于以上技术问题中的至少一项，本公开提供了一种PUCCH的重复传输次数的指示和获取方法、装置和系统，可以在不增加DCI开销的情况下，使得基站可以动态地对PUCCH重复传输次数进行配置。
图1a为本公开物理上行控制信道的重复传输次数的指示方法一些实施例的示意图。优选的，本实施例可由本公开基站执行。图1实施例的方法可以包括步骤11-步骤15，其中：
步骤11，基站通过无线资源控制信令为用户终端配置多个PUCCH资源。
步骤12，基站利用预定规则确定每个PUCCH资源对应的重复传输次数；
步骤13，基站确定用户终端进行PUCCH传输的当前重复传输次数；
步骤14，基站根据PUCCH的资源索引号和重复传输次数的对应关系，确定当前重复传输次数所对应的用户终端进行PUCCH传输所采用资源的当前资源索引号；
步骤15，基站向用户终端发送所述当前资源索引号，通过所述当前资源索引号指示所述当前重复传输次数，以便用户终端解码接收到的所述当前资源索引号，确定所述当前重复传输次数。
本公开可以在不增加DCI开销的情况下，使得基站可以动态地对PUCCH重复传输次数进行配置，从而提高了上行资源利用效率与传输性能。
图1b为本公开物理上行控制信道的重复传输次数的指示方法另一些实施例的示意图。优选的，本实施例可由本公开基站执行。图1实施例的方法可以包括步骤10-步骤15，其中：
步骤10，在基站和用户终端两侧预先定义如何根据每个PUCCH资源对应的重复传输次数的规则和PUCCH的重复传输参数集合。
在本公开的一些实施例中，步骤10可以包括：
步骤101，在基站和用户终端两侧通过协议预先定义如何根据每个PUCCH资源对应的重复传输次数的规则(算法)。
步骤102，在基站和用户终端两侧预先定义PUCCH的重复传输参数集合，设定所述重复传输参数集合中每个重复传输参数的序号i，其中，重复传输参数集合的因素总数为N，代表需要配置N种PUCCH重复传输参数，每种重复传输参数对应一种重复传输次数。
在本公开的一些实施例中，步骤102可以包括：假设需要配置N种PUCCH重复传输参数，用{k 1,k 2,…,k N}表示这N种配置，其中k i(1≤i≤N)为整数，对应一种PUCCH重复传输次数配置。
在本公开的一些具体实施例中，可以预先配置4种PUCCH重复传输参数{1,2,4,8}，分别表示1次、2次、4次、8次PUCCH重复传输次数。
在本公开的另一些实施例中，k i可以表示具体的重复传输次数，也可以表示与RRC配置的相应PUCCH格式PUCCH资源的标准重复传输次数的偏移值。
在本公开的一些具体实施例中，配置4种PUCCH重复传输参数{0,-1,1,-2}，表示与RRC配置的相应PUCCH重复传输次数的偏移值，其中，0表示值与RRC配置的相等，-1表示比RRC配置低1档的可配重复传输次数，1表示比RRC配置高1档的可配重复传输次数，以此类推。假设当前协议可配置的PUCCH重复传输次数为PUCCH重复传输次数集合为{1,2,4,8}，且RRC配置PUCCH格式1的重复传输次数为4，配置PUCCH格式 3的重复传输次数为8。则本实施例配置的实际PUCCH重复传输次数分别为：{4,2,8,1}(PUCCH格式1)和{8,4,8,2}(PUCCH格式3)。
需要说明的是，最终配置的PUCCH重复传输次数不会超出当前协议可配置的PUCCH重复传输次数范围。例如本实施例中PUCCH重复传输次数的最小值为1，最大值为8。
步骤11，基站通过无线资源控制RRC信令为用户终端配置多个PUCCH资源。
在本公开的一些实施例中，步骤11可以包括：基站通过RRC信令为用户终端配置若干个PUCCH资源集，并为每个资源集配置若干个PUCCH资源，以及每个资源的资源索引号。
在本公开的一些实施例中，可以采用PUCCH资源指示符(PUCCH resource indicator)指示每个资源的资源索引号。
在本公开的一些实施例中，假设“PUCCH resource indicator”占用M个信息比特，则可以指示2 M个PUCCH资源索引号。
如表1所示，“PUCCH resource indicator”占用3个信息比特，指示8个PUCCH资源索引号，且不同索引对应的PUCCH资源及其格式如表1所示。
表1
PUCCH资源指示符 PUCCH资源索引号 PUCCH格式
000 1 1
001 2 1
010 3 1
011 4 3
100 5 3
101 6 3
110 7 3
111 8 3
在本公开的一些实施例中，如表1所示，8个PUCCH资源中，有3个PUCCH资源采用PUCCH格式1，有5个PUCCH资源采用PUCCH格式3。
在本公开的另一些实施例中，8个PUCCH资源中，可以有2个PUCCH资源采用PUCCH格式1，有3个PUCCH资源采用PUCCH格式3，有3个PUCCH资源采用PUCCH格式4。
在本公开的一些实施例中，步骤11还可以包括：基站通过RRC信令为用户终端配置不同PUCCH格式的标准PUCCH重复传输次数。例如：配置PUCCH格式1的重复传输次数为4，配置PUCCH格式3的重复传输次数为8。
步骤12，基站利用预定规则确定每个PUCCH资源对应的重复传输次数，即确定了每个PUCCH的资源索引号和重复传输次数的对应关系。
在本公开的一些实施例中，步骤12可以包括步骤121和步骤122，其中：
步骤121，按照PUCCH格式对所有PUCCH资源进行分类。例如：
步骤122，在每种分类中，确定每个PUCCH资源所对应的重复传输次数。
在本公开的一些实施例中，步骤122中，所述确定每个PUCCH资源所对应的重复传输次数的步骤可以包括步骤a和步骤b，其中：
步骤a，确定每个PUCCH资源对应的重复传输参数。
在本公开的一些实施例中，步骤a可以包括步骤a1-步骤a4，其中：
步骤a1，设定PUCCH的重复传输参数集合中每个重复传输参数的序号。
步骤a2，对每种分类中的所有PUCCH的资源索引号进行排序。
在本公开的一些实施例中，假设“PUCCH resource indicator”占用M个信息比特，则可以指示2 M个PUCCH资源索引号。
在本公开的一些实施例中，步骤a2可以包括：假设这2 M个PUCCH资源中，有a 1个PUCCH资源采用PUCCH格式1，对应的PUCCH资源索引号按升序排序为
Figure PCTCN2021109135-appb-000001
有a 3个PUCCH资源采用PUCCH格式3，对应的PUCCH资源索引号按升序排序为
Figure PCTCN2021109135-appb-000002
有a 4个PUCCH资源采用PUCCH格式4，对应的PUCCH资源索引号按升序排序为
Figure PCTCN2021109135-appb-000003
步骤a3，确定每个PUCCH资源索引号的顺序号对应的重复传输参数的序号。
在本公开的一些实施例中，所述步骤a3可以包括：对每个PUCCH资源索引号的顺序号和所述重复传输参数集合的元素总数进行求余运算；在余数不为零的情况下，根据余数确定重复传输参数的序号；在余数为零的情况下，根据所述重复传输参数集合的元素总数确定重复传输参数的序号。
在本公开的一些实施例中，步骤a3可以包括：假设本次DCI指示的PUCCH资源采用PUCCH格式1，相应的PUCCH资源索引号为x l，其中
Figure PCTCN2021109135-appb-000004
假设x l为
Figure PCTCN2021109135-appb-000005
中的第P个元素，可以根据公式(1)确定每个重复传输参数k Q在N种重复传输参数集合{k 1,k 1,…,k N}中的顺序号Q。
Figure PCTCN2021109135-appb-000006
其中，mod运算，即求余运算，是在整数运算中求一个整数P除以另一个整数N的余数的运算，且不考虑运算的商。
步骤a4，将所述序号的重复传输参数作为该资源索引号对应的重复传输参数。
步骤b，确定每个重复传输参数对应的重复传输次数。
在本公开的一些实施例中，步骤b可以包括：本次DCI指示的PUCCH重复传输次数根据重复传输参数k Q确定，k Q∈{k 1,k 1,…,k N}。
在本公开的一些实施例中，所述重复传输参数集合为预定义的重复传输次数集合。步骤b可以包括：将所述重复传输参数集合中每个重复传输参数作为重复传输次数。
在本公开的另一些实施例中，步骤b可以包括：配置每种PUCCH格式的PUCCH资源的重复传输次数；将所述重复传输参数集合中每个重复传输参数设置为在预定义的重复传输次数集合内相对该格式PUCCH对应重复传输次数的偏移值。
在本公开的一些具体实施例中，配置4种PUCCH重复传输参数{0,-1,1,-2}，表示与RRC配置的相应PUCCH重复传输次数的偏移值，其中，0表示值与RRC配置的相等，-1表示比RRC配置低1档的可配重复传输次数，1表示比RRC配置高1档的可配重复传输次数，以此类推。假设当前协议可配置的PUCCH重复传输次数为PUCCH重复传输次数集合为{1,2,4,8}，且RRC配置PUCCH格式1的重复传输次数为4，配置PUCCH格式3的重复传输次数为8。则本实施例配置的实际PUCCH重复传输次数分别为：{4,2,8,1}(PUCCH格式1)和{8,4,8,2}(PUCCH格式3)。
需要说明的是，最终配置的PUCCH重复传输次数不会超出当前协议可配置的PUCCH重复传输次数范围。例如本实施例中PUCCH重复传输次数的最小值为1，最大值为8。
步骤13，基站确定用户终端进行PUCCH传输的当前重复传输次数(Dynamic PUCCH repetition factor)。
在本公开的一些实施例中，所述当前重复传输次数指的是当前确定的重复传输次数，为用户终端下一阶段进行PUCCH传输所使用的重复传输次数。
在本公开的一些实施例中，步骤13可以包括：基站根据用户上行信道的信道状况确定用户终端进行PUCCH传输的当前重复传输次数。例如：在用户上行信道的信道状况较差的情况下，则提高当前重复传输次数，以提高传输准确率；在用户上行信道的信道状况较好的情况下，则减少当前重复传输次数，以提高传输效率。
步骤14，基站根据PUCCH的资源索引号和重复传输次数的对应关系，确定当前重复传输次数所对应的用户终端进行PUCCH传输所采用资源的当前资源索引号。
在本公开的一些实施例中，步骤14可以包括：基站根据用户终端的当前重复传输次数，从步骤12确定的PUCCH的资源索引号和重复传输次数的对应关系，确定用户终端进行PUCCH传输可以采用的至少一个PUCCH资源索引号；从所述可以采用至少一个PUCCH资源索引号中选择一个作为当前PUCCH资源索引号。
例如：表1中PUCCH资源索引号为2、5的三个PUCCH资源确定的重复传输次数均为PUCCH重复传输次数集合{1,2,4,8}中的第二个重复传输次数，即重复传输次数为2次。若当前重复传输次数为2，则可以选择2或5的PUCCH资源索引号作为当前资源索引号。
步骤15，基站通过下行控制信息DCI向用户终端发送所述当前资源索引号，通过所述当前资源索引号指示所述当前重复传输次数，以便用户终端解码接收到的所述当前资源索引号，确定所述当前重复传输次数。
在本公开的一些实施例中，步骤15可以包括：通过下行控制信息(DCI)的PUCCH资源指示符信息域名，向用户终端发送用户终端进行PUCCH传输所采用的PUCCH资源索引号，以指示相应PUCCH传输采用的PUCCH资源索引号，并隐式地指示用户终端的PUCCH重复传输次数，以便用户终端先解码PUCCH资源指示符，得到PUCCH资源索引号，再根据PUCCH传输采用的PUCCH资源索引号与PUCCH重复传输次数的对应关系，解码接收到的PUCCH资源索引号，确定PUCCH重复传输次数，并进行相应PUCCH传输。
针对相关技术PUCCH的重复传输次数仅可通过RRC信令半静态配置，可能会造成资源浪费，另外可能会对PUSCH的传输性能带来不利的影响的技术问题，如果通过增加DCI信息域的方式来实PUCCH重复传输次数的动态指示，会增加DCI的开销，可能会影响PDCCH的性能。
基于本公开上述实施例提供的物理上行控制信道的重复传输次数的指示方法，可以通过DCI隐式地动态指示PUCCH重复传输次数，可以在不增加DCI开销的情况下，使得基站可以动态的对PUCCH重复传输次数进行配置，从而提高了上行资源利用效率与传输性能。
发明人注意到对于HARQ-ACK的传输，基站会通过DCI的“PUCCH resource indicator(资源指示符)”信息域指示HARQ-ACK使用的具体PUCCH资源，该信息域 最大占用3个比特，对应最多8个PUCCH资源索引，每个PUCCH资源索引对应一个RRC配置的PUCCH资源。发明人发现可以利用该信息域隐式的动态指示HARQ-ACK的重复传输次数，也可以扩展到隐式的动态指示其他类型UCI的重复传输次数。
图2a为本公开物理上行控制信道的重复传输次数的获取方法一些实施例的示意图。优选的，本实施例可由本公开用户终端执行。该方法可以包括步骤21-步骤23，其中：
步骤21，用户终端接收基站通过无线资源控制信令为用户终端配置的多个物理上行控制信道PUCCH资源的资源配置信息。
步骤22，用户终端接收基站发送的用户终端进行PUCCH传输所采用资源的当前资源索引号。
步骤23，用户终端利用预定规则对接收到的当前资源索引号进行解码，获取对应的当前重复传输次数。
图2b为本公开物理上行控制信道的重复传输次数的获取方法另一些实施例的示意图。优选的，本实施例可由本公开用户终端执行。该方法可以包括步骤20-步骤23，其中：
步骤20，在基站和用户终端两侧预先定义如何根据每个PUCCH资源对应的重复传输次数的规则和PUCCH的重复传输参数集合。
步骤21，用户终端接收基站通过无线资源控制信令为用户终端配置的多个物理上行控制信道PUCCH资源的资源配置信息。
图2b实施例的步骤20和步骤21与图1b实施例的步骤10和步骤1b相同或类似，这里不再详述。
步骤22，用户终端接收基站发送的用户终端进行PUCCH传输所采用资源的当前资源索引号。
在本公开的一些实施例中，步骤22可以包括：用户终端接收基站发送的DCI的“PUCCH资源指示符”信息域，解码DCI的“PUCCH资源指示符”信息域，获得用户终端进行PUCCH传输所采用资源的当前资源索引号。
步骤23，用户终端利用预定规则对接收到的当前资源索引号进行解码，获取对应的当前重复传输次数，并进行相应PUCCH传输。
在本公开的一些实施例中，步骤23中，利用预定规则对接收到的当前资源索引号进行解码，获取对应的当前重复传输次数的步骤可以包括步骤231和步骤232，其中：
步骤231，根据接收到的当前资源索引号，确定对应的重复传输参数。
在本公开的一些实施例中，步骤231可以包括步骤2311-步骤2314，其中：
步骤2311，确定接收到的当前资源索引号在所述PUCCH格式的所有PUCCH的资源索引号中的顺序号。
步骤2312，设定PUCCH的重复传输参数集合中每个重复传输参数的序号。
步骤2313，确定当前资源索引号的顺序号所对应的重复传输参数的序号。
在本公开的一些实施例中，步骤2313可以包括：对当前资源索引号的顺序号和重复传输次数集合的元素总数进行求余运算；在余数不为零的情况下，根据余数确定对应重复传输参数的序号；在余数为零的情况下，根据所述重复传输参数集合的元素总数确定对应重复传输参数的序号。
步骤2314，将该顺序号的重复传输参数作为当前资源索引号对应的重复传输参数。
步骤232，根据确定的重复传输参数，确定对应的当前重复传输次数。
在本公开的一些实施例中，步骤232可以包括：在重复传输参数集合为预定义的重复传输次数集合的情况下，将确定的重复传输参数作为对应的当前重复传输次数。
在本公开的一些实施例中，步骤232可以包括：在重复传输参数集合中每个重复传输参数为重复传输次数集合内相对该格式PUCCH对应重复传输次数的偏移值的情况下，根据确定的重复传输参数、该PUCCH格式的PUCCH资源的重复传输次数和预定义的重复传输次数集合，确定对应的当前重复传输次数。
在本公开的一些具体实施例中，表1中PUCCH资源索引号为2、5的三个PUCCH资源确定的重复传输次数均为PUCCH重复传输次数集合{1,2,4,8}中的第二个重复传输次数，即重复传输次数为2次；若当前重复传输次数为2，如果选择PUCCH资源索引号为5，则PUCCH资源指示符为100；则用户终端接收到PUCCH资源指示符为100，用户终端对100进行解码，得到PUCCH的当前资源索引号为5；当前资源索引号为5，在表1的PUCCH格式3中的顺序号为2；将2与{1,2,4,8}的元素总数4求余，得到当前重复传输次数为2。
基于本公开上述实施例提供的物理上行控制信道的重复传输次数的获取方法，可以通过DCI隐式地动态指示PUCCH重复传输次数，可以在不增加DCI开销的情况下，接收基站对用户终端进行的动态PUCCH重复传输次数配置，从而提高了上行资源利用效率与传输性能。
下面通过具体实施例对本公开物理上行控制信道的重复传输次数的指示和获取方法 进行说明。
实施例1：
1.本实施例中，“PUCCH resource indicator”占用3个信息比特，指示8个PUCCH资源索引，且不同索引对应的PUCCH资源及其格式如表1所示。
2.本实施例中配置4种PUCCH重复传输参数{1,2,4,8}，分别表示1次、2次、4次、8次PUCCH重复传输次数。
3.从表1可以看出，有3个PUCCH资源采用PUCCH格式1，相应的PUCCH资源索引号按升序排序为{1,2,3}，有5个PUCCH资源采用PUCCH格式3，相应的PUCCH资源索引号按升序排序为{4,5,6,7,8}。
4.如果本次DCI的“PUCCH resource indicator”信息域的值为010，相应的PUCCH资源采用PUCCH格式1，相应的PUCCH资源索引为3，且为{1,2,3}集合中第3个元素，由于3mod 4＝3，则本次DCI指示的PUCCH重复传输次数由{1,2,4,8}中的第3个值确定，即为4次重复传输。
如果本次DCI的“PUCCH resource indicator”信息域的值为111，相应的PUCCH资源采用PUCCH格式3，相应的PUCCH资源索引为8，且为{4,5,6,7,8}集合中第5个元素，由于5mod 4＝1，则本次DCI指示的PUCCH重复传输次数由{1,2,4,8}中的第1个值确定，即为1次重复传输。
实施例2：
1.本实施例中，“PUCCH resource indicator”占用3个信息比特，指示8个PUCCH资源索引，且不同索引对应的PUCCH资源及其格式如表1所示。
2.本实施例中配置4种PUCCH重复传输参数{0,-1,1,-2}，表示与RRC配置的相应PUCCH重复传输次数的偏移值，其中0表示值与RRC配置的相等，-1表示比RRC配置低1档的可配重复传输次数，1表示比RRC配置高1档的可配重复传输次数，以此类推。假设当前协议可配置的PUCCH重复传输次数为标准PUCCH重复传输次数集合为{1,2,4,8}，且RRC配置PUCCH格式1的重复传输次数为4，配置PUCCH格式3的重复传输次数为8。则本实施例配置的实际PUCCH重复传输次数分别为：{4,2,8,1}(PUCCH格式1)和{8,4,8,2}(PUCCH格式3)。
需要说明的是，最终配置的PUCCH重复传输次数不会超出当前协议可配置的PUCCH重复传输次数范围。例如本实施例中PUCCH重复传输次数的最小值为1，最大 值为8。
3.本实施例的后续过程与实施例1相同，不再赘述。
图3为本公开基站一些实施例的示意图。如图3所示，本公开基站可以包括资源配置模块31、对应关系确定模块32、重复传输次数确定模块33、资源索引号确定模块34和重复传输次数指示模块35，其中：
资源配置模块31，被配置为通过无线资源控制信令为用户终端配置多个物理上行控制信道PUCCH资源。
对应关系确定模块32，被配置为利用预定规则确定每个PUCCH资源对应的重复传输次数。
在本公开的一些实施例中，对应关系确定模块32可以被配置为按照PUCCH格式对所有PUCCH资源进行分类；在每种分类中，确定每个PUCCH资源所对应的重复传输次数。
在本公开的一些实施例中，对应关系确定模块32在确定每个PUCCH资源所对应的重复传输次数的情况下，可以被配置为确定每个PUCCH资源对应的重复传输参数；确定每个重复传输参数对应的重复传输次数。
在本公开的一些实施例中，对应关系确定模块32在确定每个PUCCH资源对应的重复传输参数的情况下，可以被配置为设定PUCCH的重复传输参数集合中每个重复传输参数的序号；对每种分类中的所有PUCCH的资源索引号进行排序；确定每个PUCCH资源索引号的顺序号对应的重复传输参数的序号；将所述序号的重复传输参数作为该资源索引号对应的重复传输参数。
在本公开的一些实施例中，对应关系确定模块32在确定每个PUCCH资源索引号的顺序号对应的重复传输参数的序号的情况下，可以被配置为对每个PUCCH资源索引号的顺序号和所述重复传输参数集合的元素总数进行求余运算；在余数不为零的情况下，根据余数确定重复传输参数的序号；在余数为零的情况下，根据所述重复传输参数集合的元素总数确定重复传输参数的序号。
在本公开的一些实施例中，所述重复传输参数集合为预定义的重复传输次数集合；对应关系确定模块32在确定每个重复传输参数对应的重复传输次数的情况下，可以被配置为将所述重复传输参数集合中每个重复传输参数作为重复传输次数。
在本公开的一些实施例中，对应关系确定模块32在确定每个重复传输参数对应的重 复传输次数的情况下，可以被配置为配置每种PUCCH格式的PUCCH资源的重复传输次数；将所述重复传输参数集合中每个重复传输参数设置为在预定义的重复传输次数集合内相对该格式PUCCH对应重复传输次数的偏移值。
重复传输次数确定模块33，被配置为确定用户终端进行PUCCH传输的当前重复传输次数。
资源索引号确定模块34，被配置为根据PUCCH的资源索引号和重复传输次数的对应关系，确定当前重复传输次数所对应的用户终端进行PUCCH传输所采用资源的当前资源索引号。
重复传输次数指示模块35，被配置为向用户终端发送所述当前资源索引号，通过所述当前资源索引号指示所述当前重复传输次数，以便用户终端解码接收到的所述当前资源索引号，确定所述当前重复传输次数。
在本公开的一些实施例中，重复传输次数指示模块35可以被配置为通过下行控制信息的PUCCH资源指示符信息域名，向用户终端发送用户终端进行PUCCH传输所采用的PUCCH资源索引号，以指示相应PUCCH传输采用的PUCCH资源索引号，并隐式地指示用户终端的PUCCH重复传输次数，以便用户终端先解码PUCCH资源指示符，得到PUCCH资源索引号，再根据PUCCH传输采用的PUCCH资源索引号与PUCCH重复传输次数的对应关系，解码接收到的PUCCH资源索引号，确定PUCCH重复传输次数，并进行相应PUCCH传输。
在本公开的一些实施例中，基站可以被配置为预先定义如何根据每个PUCCH资源对应的重复传输次数的规则和PUCCH的重复传输参数集合。
在本公开的一些实施例中，所述基站可以被配置为执行实现如上述任一实施例(例如图1a或图1b实施例)所述的物理上行控制信道的重复传输次数的指示方法的操作。
针对相关技术PUCCH的重复传输次数仅可通过RRC信令半静态配置，可能会造成资源浪费，另外可能会对PUSCH的传输性能带来不利的影响的技术问题，如果通过增加DCI信息域的方式来实PUCCH重复传输次数的动态指示，会增加DCI的开销，可能会影响PDCCH的性能。
基于本公开上述实施例提供的基站，可以通过DCI隐式地动态指示PUCCH重复传输次数，可以在不增加DCI开销的情况下，使得基站可以动态的对PUCCH重复传输次数进行配置，从而提高了上行资源利用效率与传输性能。
图4为本公开用户终端一些实施例的示意图。如图4所示，本公开用户终端可以包括资源配置接收模块41、资源索引号接收模块42和重复传输次数获取模块43，其中：
资源配置接收模块41，被配置为接收基站通过无线资源控制信令为用户终端配置的多个物理上行控制信道PUCCH资源的资源配置信息。
资源索引号接收模块42，被配置为接收基站发送的用户终端进行PUCCH传输所采用资源的当前资源索引号。
重复传输次数获取模块43，被配置为利用预定规则对接收到的当前资源索引号进行解码，获取对应的当前重复传输次数。
在本公开的一些实施例中，重复传输次数获取模块43可以被配置为根据接收到的当前资源索引号，确定对应的重复传输参数；根据确定的重复传输参数，确定对应的当前重复传输次数。
在本公开的一些实施例中，重复传输次数获取模块43在根据接收到的当前资源索引号，确定对应的重复传输参数的情况下，可以被配置为确定接收到的当前资源索引号在所述PUCCH格式的所有PUCCH的资源索引号中的顺序号；设定PUCCH的重复传输参数集合中每个重复传输参数的序号；确定当前资源索引号的顺序号所对应的重复传输参数的序号；将该顺序号的重复传输参数作为当前资源索引号对应的重复传输参数。
在本公开的一些实施例中，重复传输次数获取模块43在确定当前资源索引号的顺序号所对应的重复传输参数的序号的情况下，可以被配置为对当前资源索引号的顺序号和重复传输次数集合的元素总数进行求余运算；在余数不为零的情况下，根据余数确定对应重复传输参数的序号；在余数为零的情况下，根据所述重复传输参数集合的元素总数确定对应重复传输参数的序号。
在本公开的一些实施例中，重复传输次数获取模块43在根据确定的重复传输参数，确定对应的当前重复传输次数的情况下，可以被配置为在重复传输参数集合为预定义的重复传输次数集合的情况下，将确定的重复传输参数作为对应的当前重复传输次数。
在本公开的另一些实施例中，重复传输次数获取模块43在根据确定的重复传输参数，确定对应的当前重复传输次数的情况下，可以被配置为在重复传输参数集合中每个重复传输参数为重复传输次数集合内相对该格式PUCCH对应重复传输次数的偏移值的情况下，根据确定的重复传输参数、该PUCCH格式的PUCCH资源的重复传输次数和预定义的重复传输次数集合，确定对应的当前重复传输次数。
在本公开的一些实施例中，所述用户终端可以被配置为执行实现如上述任一实施例 (例如图2a实施例或图2b实施例)所述的物理上行控制信道的重复传输次数的获取方法的操作。
基于本公开上述实施例提供的用户终端，可以通过DCI隐式地动态指示PUCCH重复传输次数，可以在不增加DCI开销的情况下，接收基站对用户终端进行的动态PUCCH重复传输次数配置，从而提高了上行资源利用效率与传输性能。
图5为本公开物理上行控制信道的重复传输次数的指示系统一些实施例的示意图。如图5所示，本公开物理上行控制信道的重复传输次数的指示系统可以包括基站51和用户终端52，其中：
基站51可以为如上述任一实施例(例如图3实施例)所述的基站。
用户终端52可以为如上述任一实施例(例如图4实施例)所述的用户终端。
基于本公开上述实施例提供的物理上行控制信道的重复传输次数的指示系统，可以通过DCI隐式地动态指示PUCCH重复传输次数。本公开上述实施例可以在不增加DCI开销的情况下，使得基站可以动态的对PUCCH重复传输次数进行配置，从而提高上行资源利用效率与传输性能。
图6为本公开计算机装置一些实施例的结构示意图。如图6所示，计算机装置可以包括存储器61和处理器62。
存储器61用于存储指令，处理器62耦合到存储器61，处理器62被配置为基于存储器存储的指令执行实现如上述任一实施例(例如图1a或图1b实施例)所述的物理上行控制信道的重复传输次数的指示方法、或如上述任一实施例(例如图2a或图2b实施例)所述的物理上行控制信道的重复传输次数的获取方法。
在处理器62执行实现如上述任一实施例(例如图1a或图1b实施例)所述的物理上行控制信道的重复传输次数的指示方法的情况下，计算机装置可以实现为基站。
在处理器62执行实现如上述任一实施例(例如图2a或图2b实施例)所述的物理上行控制信道的重复传输次数的获取方法的情况下，计算机装置可以实现为用户终端。
如图6所示，该计算机装置还包括通信接口63，用于与其它设备进行信息交互。同时，该计算机装置还包括总线64，处理器62、通信接口63、以及存储器61通过总线64完成相互间的通信。
存储器61可以包含高速RAM存储器，也可还包括非易失性存储器(non-volatile  memory)，例如至少一个磁盘存储器。存储器61也可以是存储器阵列。存储器61还可能被分块，并且块可按一定的规则组合成虚拟卷。
此外，处理器62可以是一个中央处理器CPU，或者可以是专用集成电路ASIC，或是被配置成实施本公开实施例的一个或多个集成电路。
基于本公开上述实施例提供的计算机装置，可以通过DCI隐式地动态指示PUCCH重复传输次数。本公开上述实施例可以在不增加DCI开销的情况下，使得基站可以动态的对PUCCH重复传输次数进行配置，从而提高上行资源利用效率与传输性能。
根据本公开的另一方面，提供一种非瞬时性计算机可读存储介质，其中，所述非瞬时性计算机可读存储介质存储有计算机指令，所述指令被处理器执行时实现如上述任一实施例(例如图1a或图1b实施例)所述的物理上行控制信道的重复传输次数的指示方法、或如上述任一实施例(例如图2a或图2b实施例)所述的物理上行控制信道的重复传输次数的获取方法。
基于本公开上述实施例提供的非瞬时性计算机可读存储介质，可以通过DCI隐式地动态指示PUCCH重复传输次数。本公开上述实施例可以在不增加DCI开销的情况下，使得基站可以动态的对PUCCH重复传输次数进行配置，从而提高上行资源利用效率与传输性能。
本公开上述实施例可以适用于无线通信技术领域，特别是5G领域。
在上面所描述的基站和用户终端可以实现为用于执行本申请所描述功能的通用处理器、可编程逻辑控制器(PLC)、数字信号处理器(DSP)、专用集成电路(ASIC)、现场可编程门阵列(FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件或者其任意适当组合。
至此，已经详细描述了本公开。为了避免遮蔽本公开的构思，没有描述本领域所公知的一些细节。本领域技术人员根据上面的描述，完全可以明白如何实施这里公开的技术方案。
本领域普通技术人员可以理解实现上述实施例的全部或部分步骤可以通过硬件来完成，也可以通过程序来指示相关的硬件完成，所述的程序可以存储于一种非瞬时性计算机可读存储介质中，上述提到的存储介质可以是只读存储器，磁盘或光盘等。
本公开的描述是为了示例和描述起见而给出的，而并不是无遗漏的或者将本公开限于 所公开的形式。很多修改和变化对于本领域的普通技术人员而言是显然的。选择和描述实施例是为了更好说明本公开的原理和实际应用，并且使本领域的普通技术人员能够理解本公开从而设计适于特定用途的带有各种修改的各种实施例。

Claims (19)

  1. 一种物理上行控制信道的重复传输次数的指示方法，其特征在于，包括：
    通过无线资源控制信令为用户终端配置多个物理上行控制信道PUCCH资源；
    利用预定规则确定每个PUCCH资源对应的重复传输次数；
    确定用户终端进行PUCCH传输的当前重复传输次数；
    确定当前重复传输次数所对应的用户终端进行PUCCH传输所采用资源的当前资源索引号；
    向用户终端发送所述当前资源索引号，通过所述当前资源索引号指示所述当前重复传输次数，以便用户终端解码接收到的所述当前资源索引号，确定所述当前重复传输次数。
  2. 根据权利要求1所述的指示方法，其特征在于，所述向用户终端发送所述资源索引号包括：
    通过下行控制信息的PUCCH资源指示符，向用户终端发送所述当前资源索引号。
  3. 根据权利要求1或2所述的指示方法，其特征在于，所述利用预定规则确定每个PUCCH资源对应的重复传输次数包括：
    按照PUCCH格式对所有PUCCH资源进行分类；
    在每种分类中，确定每个PUCCH资源所对应的重复传输次数。
  4. 根据权利要求3所述的指示方法，其特征在于，所述确定每个PUCCH资源所对应的重复传输次数包括：
    确定每个PUCCH资源对应的重复传输参数；
    确定每个重复传输参数对应的重复传输次数。
  5. 根据权利要求4所述的指示方法，其特征在于，所述确定每个PUCCH资源对应的重复传输参数包括：
    设定PUCCH的重复传输参数集合中每个重复传输参数的序号；
    对每种分类中的所有PUCCH的资源索引号进行排序；
    确定每个PUCCH资源索引号的顺序号对应的重复传输参数的序号；
    将所述序号的重复传输参数作为该资源索引号对应的重复传输参数。
  6. 根据权利要求5所述的指示方法，其特征在于，所述确定每个PUCCH资源索引号的顺序号对应的重复传输参数的序号包括：
    对每个PUCCH资源索引号的顺序号和所述重复传输参数集合的元素总数进行求余运算；
    在余数不为零的情况下，根据余数确定重复传输参数的序号；
    在余数为零的情况下，根据所述重复传输参数集合的元素总数确定重复传输参数的序号。
  7. 根据权利要求4所述的指示方法，其特征在于，所述重复传输参数集合为预定义的重复传输次数集合；
    所述确定每个重复传输参数对应的重复传输次数包括：
    将所述重复传输参数集合中每个重复传输参数作为重复传输次数。
  8. 根据权利要求4所述的指示方法，其特征在于，所述确定每个重复传输参数对应的重复传输次数包括：
    配置每种PUCCH格式的PUCCH资源的重复传输次数；
    将所述重复传输参数集合中每个重复传输参数设置为在预定义的重复传输次数集合内相对该格式PUCCH对应重复传输次数的偏移值。
  9. 一种物理上行控制信道的重复传输次数的获取方法，其特征在于，包括：
    接收基站通过无线资源控制信令为用户终端配置的多个物理上行控制信道PUCCH资源的资源配置信息；
    接收基站发送的用户终端进行PUCCH传输所采用资源的当前资源索引号；
    利用预定规则对接收到的当前资源索引号进行解码，获取对应的当前重复传输次数。
  10. 根据权利要求9所述的获取方法，其特征在于，所述利用预定规则对接收到的当前资源索引号进行解码，获取对应的当前重复传输次数包括：
    根据接收到的当前资源索引号，确定对应的重复传输参数；
    根据确定的重复传输参数，确定对应的当前重复传输次数。
  11. 根据权利要求10所述的获取方法，其特征在于，所述根据接收到的当前资源索引号，确定对应的重复传输参数包括：
    确定接收到的当前资源索引号在所述PUCCH格式的所有PUCCH的资源索引号中的顺序号；
    设定PUCCH的重复传输参数集合中每个重复传输参数的序号；
    确定当前资源索引号的顺序号所对应的重复传输参数的序号；
    将该顺序号的重复传输参数作为当前资源索引号对应的重复传输参数。
  12. 根据权利要求11所述的获取方法，其特征在于，所述确定当前资源索引号的顺序号所对应的重复传输参数的序号包括：
    对当前资源索引号的顺序号和重复传输次数集合的元素总数进行求余运算；
    在余数不为零的情况下，根据余数确定对应重复传输参数的序号；
    在余数为零的情况下，根据所述重复传输参数集合的元素总数确定对应重复传输参数的序号。
  13. 根据权利要求10-12中任一项所述的获取方法，其特征在于，所述根据确定的重复传输参数，确定对应的当前重复传输次数包括：
    在重复传输参数集合为预定义的重复传输次数集合的情况下，将确定的重复传输参数作为对应的当前重复传输次数。
  14. 根据权利要求10-12中任一项所述的获取方法，其特征在于，所述根据确定的重复传输参数，确定对应的当前重复传输次数包括：
    在重复传输参数集合中每个重复传输参数为重复传输次数集合内相对该格式PUCCH对应重复传输次数的偏移值的情况下，根据确定的重复传输参数、该PUCCH格式的PUCCH资源的重复传输次数和预定义的重复传输次数集合，确定对应的当前重复传输次数。
  15. 一种基站，其特征在于，包括：
    资源配置模块，被配置为通过无线资源控制信令为用户终端配置多个物理上行控制信道PUCCH资源；
    对应关系确定模块，被配置为利用预定规则确定每个PUCCH资源对应的重复传输次数；
    重复传输次数确定模块，被配置为确定用户终端进行PUCCH传输的当前重复传输次数；
    资源索引号确定模块，被配置为确定当前重复传输次数所对应的用户终端进行PUCCH传输所采用资源的当前资源索引号；
    重复传输次数指示模块，被配置为向用户终端发送所述当前资源索引号，通过所述当前资源索引号指示所述当前重复传输次数，以便用户终端解码接收到的所述当前资源索引号，确定所述当前重复传输次数；
    其中，所述基站被配置为执行实现如权利要求1-8中任一项所述的指示方法的操作。
  16. 一种用户终端，其特征在于，包括：
    资源配置接收模块，被配置为接收基站通过无线资源控制信令为用户终端配置的多个物理上行控制信道PUCCH资源的资源配置信息；
    资源索引号接收模块，被配置为接收基站发送的用户终端进行PUCCH传输所采用资源的当前资源索引号；
    重复传输次数获取模块，被配置为利用预定规则对接收到的当前资源索引号进行解码，获取对应的当前重复传输次数；
    其中，所述用户终端被配置为执行实现如权利要求9-14中任一项所述的获取方法的操作。
  17. 一种物理上行控制信道的重复传输次数的指示系统，其特征在于，包括如权利要求15所述的基站和如权利要求14所述的用户终端。
  18. 一种计算机装置，其特征在于，包括：
    存储器，被配置为存储指令；
    处理器，被配置为执行所述指令，使得所述计算机装置执行实现如权利要求1-8中任一项所述的指示方法、或如权利要求9-14中任一项所述的获取方法的操作。
  19. 一种非瞬时性计算机可读存储介质，其特征在于，所述非瞬时性计算机可读存储介质存储有计算机指令，所述指令被处理器执行时实现如权利要求1-8中任一项所述的指示方法、或如权利要求9-14中任一项所述的获取方法。
PCT/CN2021/109135 2021-01-08 2021-07-29 Pucch的重复传输次数的指示和获取方法、装置和系统 Ceased WO2022148011A1 (zh)

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