Resource identity determination method and related apparatus

Abstract

The embodiment of the present application provides a resource identification determination method, the method comprises the following steps: receiving high layer configuration information; determining a first transmission resource of a first transmission node and a second transmission resource of a second transmission node according to at least the high layer configuration information; receiving downlink control information according to the first transmission resource and the second transmission resource; determining a physical uplink control channel (PUCCH) resource identification according to at least the high layer configuration information and the downlink control information, which can improve the accuracy of determining the PUCCH resource identification.

Description

Technical Field

[0001] This application relates to the field of communication technology, specifically to a method and apparatus for determining resource identifiers. Background Technology

[0002] With the continuous development of communication technology, communication demands are also increasing. More and more communication scenarios require communication enhancement, such as improving uplink and downlink rates. Existing solutions in communication enhancement scenarios use multiple transmission points to send control information to terminal devices, resulting in low accuracy for terminal devices in determining the Physical Uplink Control Channel (PUCCH) resource identifier. Summary of the Invention

[0003] This application provides a resource identifier determination method and related apparatus, which can improve the accuracy of determining PUCCH resource identifiers.

[0004] A first aspect of this application provides a resource identifier determination method, the method comprising:

[0005] Receive high-level configuration information;

[0006] Based at least on the aforementioned high-level configuration information, determine the first transmission resource of the first transmission node and the second transmission resource of the second transmission node;

[0007] Receive downlink control information based on the first transmission resource and the second transmission resource;

[0008] The Physical Uplink Control Channel (PUCCH) resource identifier is determined based at least on the higher-layer configuration information and the downlink control information.

[0009] The terminal device receives higher-layer configuration information and determines, at least based on the higher-layer configuration information, the first transmission resource of the first transmission node and the second transmission resource of the second transmission node. Based on the first transmission resource and the second transmission resource, it receives downlink control information and determines the Physical Uplink Control Channel (PUCCH) resource identifier based at least on the higher-layer configuration information and the downlink control information. Therefore, the PUCCH resource identifier can be determined through the higher-layer configuration information and the downlink control information, which improves the accuracy of PUCCH resource identifier determination.

[0010] In conjunction with the first aspect, in one possible implementation, the higher-layer configuration information includes configuration information for the control resource set and configuration information for the search space set, and the downlink control information includes a first DCI sent by a first transmission point and a second DCI sent by a second transmission point.

[0011] In conjunction with the first aspect, in one possible implementation, determining the Physical Uplink Control Channel (PUCCH) resource identifier based at least on the higher-layer configuration information and the downlink control information includes:

[0012] The first identifier is determined at least based on the configuration information of the first transmission resource and the first DCI, and the second identifier is determined at least based on the configuration information of the second transmission resource and the second DCI;

[0013] According to a predefined method, the first identifier or the second identifier is determined as the PUCCH resource identifier;

[0014] Alternatively, the maximum value between the first identifier and the second identifier can be determined as the PUCCH resource identifier;

[0015] Alternatively, the minimum value between the first identifier and the second identifier can be determined as the PUCCH resource identifier.

[0016] In conjunction with the first aspect, in one possible implementation, determining the first identifier or the second identifier as the PUCCH resource identifier according to a predefined method includes:

[0017] Based on the instruction information, the maximum value of the first identifier and the second identifier is determined as the PUCCH resource identifier;

[0018] Alternatively, based on the indication information, the minimum value between the first identifier and the second identifier shall be determined as the PUCCH resource identifier;

[0019] The indication information includes at least one of the following: RRC information, MAC information, and DCI.

[0020] In conjunction with the first aspect, in one possible implementation, determining the Physical Uplink Control Channel (PUCCH) resource identifier based at least on the higher-layer configuration information and the downlink control information includes:

[0021] The time-domain start position for receiving the first DCI is determined at least based on the configuration information of the first transmission resource, and the time-domain start position for receiving the second DCI is determined at least based on the configuration information of the second transmission resource.

[0022] The PUCCH resource identifier is determined by a preset method based at least on the time-domain start position of the received first DCI and the time-domain start position of the received second DCI.

[0023] In conjunction with the first aspect, in one possible implementation, determining the Physical Uplink Control Channel (PUCCH) resource identifier based on the time-domain start position of the received first DCI and the time-domain start position of the received second DCI using a preset method includes:

[0024] If the time domain start position of receiving the first DCI is before the time domain start position of receiving the second DCI, then the physical uplink control channel (PUCCH) resource identifier is determined at least through the first transmission resource and the first DCI.

[0025] Alternatively, if the time-domain start position of receiving the first DCI is before the time-domain start position of receiving the second DCI, then the physical uplink control channel (PUCCH) resource identifier is determined at least through the second transmission resource and the second DCI.

[0026] Alternatively, based on the indication information, it is determined that the PUCCH resource identifier is obtained at least through the first transmission resource and the first DCI;

[0027] Alternatively, based on the instruction information, it is determined that the PUCCH resource identifier is obtained at least through the second transport resource and the second DCI.

[0028] The indication information includes at least one of the following: RRC information, MAC information, and DCI.

[0029] In conjunction with the first aspect, in one possible implementation, determining the Physical Uplink Control Channel (PUCCH) resource identifier based at least on the higher-layer configuration information and the downlink control information includes:

[0030] The index value of the first PDCCH and the starting CCE index value of the first PDCCH are determined at least based on the configuration information of the first transmission resource and the first DCI; the index value of the second PDCCH and the starting CCE index value of the second PDCCH are determined at least based on the configuration information of the second transmission resource and the second DCI.

[0031] According to a preset method, the PUCCH resource identifier is determined at least by the first PDCCH start CCE index value or the second PDCCH start CCE index value.

[0032] or,

[0033] The PUCCH resource identifier is determined based at least on the PDCCH starting CCE index value corresponding to the maximum value between the index values ​​of the first PDCCH and the second PDCCH.

[0034] or,

[0035] The PUCCH resource identifier is determined based on at least the minimum value of the index values ​​of the first PDCCH and the second PDCCH.

[0036] In conjunction with the first aspect, in one possible implementation, determining the PUCCH resource identifier using the starting CCE index value of the first PDCCH or the starting CCE index value of the second PDCCH according to a preset method includes:

[0037] According to the instruction information, the PUCCH resource identifier is determined to be obtained at least through the PDCCH start CCE index value corresponding to the maximum value among the index values ​​of the first PDCCH resource and the second PDCCH.

[0038] Alternatively, based on the instruction information, determine that the PUCCH resource identifier is obtained at least through the PDCCH start CCE index value corresponding to the minimum value among the index values ​​of the first PDCCH resource and the second PDCCH;

[0039] The indication information includes at least one of the following: RRC information, MAC information, and DCI.

[0040] In conjunction with the first aspect, in one possible implementation, determining the Physical Uplink Control Channel (PUCCH) resource identifier based at least on the higher-layer configuration information and the downlink control information includes:

[0041] The starting CCE index value for receiving the first PDCCH is determined at least based on the configuration information of the first transmission resource and the first DCI, and the starting CCE index value for receiving the second PDCCH is determined at least based on the configuration information of the second transmission resource and the second DCI.

[0042] According to a preset method, the PUCCH resource identifier is determined at least based on the first PDCCH start CCE index or the second PDCCH start CCE index value.

[0043] Alternatively, the PUCCH resource identifier may be determined at least based on the maximum value of the first PDCCH start CCE index and the second PDCCH start CCE index.

[0044] Alternatively, the PUCCH resource identifier may be determined based on at least the minimum value between the received first PDCCH start CCE index value and the received second PDCCH start CCE index value.

[0045] In conjunction with the first aspect, in one possible implementation, determining the PUCCH resource identifier according to a preset method based on the received first PDCCH start CCE index or the received second PDCCH start CCE index value includes:

[0046] At least according to the indication information, it is determined that the physical uplink control channel (PUCCH) resource identifier is obtained by using the largest PDCCH start CCE index value between the first PDCCH start CCE index value and the second PDCCH start CCE index value;

[0047] Alternatively, at least according to the indication information, determine that the physical uplink control channel (PUCCH) resource identifier is obtained by using the smallest PDCCH start CCE index value between the first PDCCH start CCE index value and the second PDCCH start CCE index value;

[0048] The indication information includes at least one of the following: RRC information, MAC information, and DCI.

[0049] In conjunction with the first aspect, in one possible implementation, determining the Physical Uplink Control Channel (PUCCH) resource identifier based at least on the higher-layer configuration information and the downlink control information includes:

[0050] The identifiers of the first TCI state and the second TCI state are determined by the higher-level configuration information. The position of the first TCI state in the control resource set is before the position of the second TCI state. The first TCI state is used by the first transmission point to send PDCCH, and the second TCI state is used by the second transmission point to send PDCCH.

[0051] According to a predefined method, the PUCCH resource identifier is determined at least by the transmission resources and downlink control information corresponding to the first TCI state or the second TCI state.

[0052] Alternatively, according to a predefined method, the PUCCH resource identifier is determined by the transmission resources and downlink control information corresponding to at least the largest or smallest TCI state identifier among the first TCI state identifier and the second TCI state identifier.

[0053] In conjunction with the first aspect, in one possible implementation, determining the PUCCH resource identifier based on the transmission resources and downlink control information corresponding to the first TCI state or the second TCI state according to a predefined method includes:

[0054] Based on the instruction information, determine the PUCCH resource identifier by identifying the transmission resources and downlink control information corresponding to at least the first TCI state or the second TCI state;

[0055] The step of determining the PUCCH resource identifier by determining, according to a predefined method, at least the transmission resources and downlink control information corresponding to the largest or smallest TCI state identifier among the first TCI state identifier and the second TCI state identifier, includes:

[0056] Based on the instruction information, determine the PUCCH resource identifier by identifying the transmission resources and downlink control information corresponding to at least the largest or smallest TCI state identifier among the first TCI state identifier and the second TCI state identifier;

[0057] The indication information includes at least one of the following: RRC information, MAC information, and DCI.

[0058] In conjunction with the first aspect, in one possible implementation, if the higher-layer configuration information includes index values ​​of a first search space set and a second search space set, where the first search space set corresponds to a first transmission point and the second search space set corresponds to a second transmission point, then determining the Physical Uplink Control Channel (PUCCH) resource identifier based at least on the higher-layer configuration information and the downlink control information includes:

[0059] According to a predefined method, the PUCCH resource identifier is determined at least based on the resources corresponding to the first search space set or the second search space set;

[0060] Alternatively, the PUCCH resource identifier may be determined based at least on the resources corresponding to the search space set with the smallest or largest index value in the first search space set and the second search space set.

[0061] In conjunction with the first aspect, in one possible implementation, determining the PUCCH resource identifier according to a predefined method, at least based on the resources corresponding to the first search space set or the second search space set, includes:

[0062] Based on the instruction information, determine the PUCCH resource identifier by using at least the transmission resources and downlink control information corresponding to the first search space set or the second search space set;

[0063] or,

[0064] Based on the instruction information, determine the resource corresponding to the search space resource set corresponding to at least the maximum or minimum value among the first search space set index value and the second search space set index value, and determine the PUCCH resource identifier;

[0065] The indication information includes at least one of the following: RRC information, MAC information, and DCI.

[0066] In conjunction with the first aspect, in one possible implementation, if the higher-layer configuration information includes the index value of a first control resource set / the index value of a first control resource set pool and the index value of a second control resource set / the index value of a first control resource set pool, where the first control resource set corresponds to a first transmission point and the second control resource set corresponds to a second transmission point, then determining the Physical Uplink Control Channel (PUCCH) resource identifier based at least on the higher-layer configuration information and the downlink control information includes:

[0067] The PUCCH resource identifier is determined by a predefined method, based at least on the resources associated with the control resource set corresponding to the minimum or maximum index value of the first control resource set and the second control resource set.

[0068] or,

[0069] The PUCCH resource identifier is determined by a predefined method, based at least on the resources associated with the control resource set corresponding to the minimum or maximum index value of the first control resource set pool and the second control resource set pool.

[0070] In conjunction with the first aspect, in one possible implementation, determining the PUCCH resource identifier by a predefined method, at least based on the minimum value of the index values ​​of the first and second control resource sets, or the resource associated with the control resource set corresponding to the minimum value, includes:

[0071] Based on the instruction information, determine the resource associated with the control resource set corresponding to at least the minimum or maximum value of the index value of the first control resource set and the index value of the second control resource set, and determine the PUCCH resource identifier;

[0072] The step of determining the PUCCH resource identifier using a predefined method, at least based on the resources associated with the control resource set corresponding to the minimum or maximum index value of the first control resource set pool and the second control resource set pool, includes:

[0073] According to the instruction information, the PUCCH resource identifier is determined based on the resource associated with the control resource set corresponding to the minimum or maximum index value of the first control resource set pool and the second control resource set pool.

[0074] The indication information includes at least one of the following: RRC information, MAC information, and DCI.

[0075] In conjunction with the first aspect, in one possible implementation, if the higher-layer configuration information includes a first control resource set and a second control resource set, the first control resource set corresponding to a first transmission point and the second control resource set corresponding to a second transmission point, the step of determining the Physical Uplink Control Channel (PUCCH) resource identifier based at least on the higher-layer configuration information and the downlink control information includes:

[0076] The first number of CCEs is determined using the first control resource set, and the second number of CCEs is determined using the second control resource set.

[0077] The PUCCH resource identifier is determined by a predefined method, at least by the minimum or maximum value of the first CCE number and the second CCE number.

[0078] Alternatively, the PUCCH resource identifier may be determined at least by the minimum of the first CCE number and the second CCE number;

[0079] Alternatively, the PUCCH resource identifier can be determined by at least the maximum value between the first CCE number and the second CCE number.

[0080] In conjunction with the first aspect, in one possible implementation, determining the PUCCH resource identifier by a predefined method, at least by the minimum or maximum value of the first CCE number and the second CCE number, includes:

[0081] Based on the instruction information, the PUCCH resource identifier is determined by at least the maximum or minimum value among the first number of CCEs and the second number of CCEs.

[0082] The indication information includes at least one of the following: RRC information, MAC information, and DCI.

[0083] In conjunction with the first aspect, in one possible implementation, the method further includes:

[0084] Receive resource identifier indication information;

[0085] The PUCCH resource identifier is determined based on the resource identifier indication information.

[0086] A second aspect of this application provides a resource identifier determination method, the method comprising:

[0087] Acquire high-level configuration information and downlink control information, wherein the downlink control information includes control information sent by a first transmission node through a first transmission resource and control information sent by a second transmission node through a second transmission resource;

[0088] Send the higher-level configuration information and the downlink control information.

[0089] In conjunction with the second aspect, in one possible implementation, the method further includes:

[0090] The Physical Uplink Control Channel (PUCCH) resource identifier is determined based at least on the higher-layer configuration information and the downlink control information.

[0091] In conjunction with the second aspect, in one possible implementation, the higher-layer configuration information includes configuration information for the control resource set and configuration information for the search space set, and the downlink control information includes a first DCI sent by a first transmission point and a second DCI sent by a second transmission point.

[0092] In conjunction with the second aspect, in one possible implementation, determining the Physical Uplink Control Channel (PUCCH) resource identifier based at least on the higher-layer configuration information and the downlink control information includes:

[0093] The first identifier is determined at least based on the configuration information of the first transmission resource and the first DCI, and the second identifier is determined at least based on the configuration information of the second transmission resource and the second DCI;

[0094] According to a predefined method, the first identifier or the second identifier is determined as the PUCCH resource identifier;

[0095] Alternatively, the maximum value between the first identifier and the second identifier can be determined as the PUCCH resource identifier;

[0096] Alternatively, the minimum value between the first identifier and the second identifier can be determined as the PUCCH resource identifier.

[0097] In conjunction with the second aspect, in one possible implementation, determining the first identifier or the second identifier as the PUCCH resource identifier according to a predefined method includes:

[0098] According to the instruction information, the maximum value of the first identifier and the second identifier is determined as the PUCCH resource identifier;

[0099] Alternatively, based on the instruction information, the minimum value between the first identifier and the second identifier may be determined as the PUCCH resource identifier;

[0100] The indication information includes at least one of the following: RRC information, MAC information, and DCI.

[0101] In conjunction with the second aspect, in one possible implementation, determining the Physical Uplink Control Channel (PUCCH) resource identifier based at least on the higher-layer configuration information and the downlink control information includes:

[0102] The time-domain start position for receiving the first DCI is determined at least based on the configuration information of the first transmission resource, and the time-domain start position for receiving the second DCI is determined at least based on the configuration information of the second transmission resource.

[0103] The PUCCH resource identifier is determined by a preset method based at least on the time-domain start position of the received first DCI and the time-domain start position of the received second DCI.

[0104] In conjunction with the second aspect, in one possible implementation, determining the Physical Uplink Control Channel (PUCCH) resource identifier based on the time-domain start position of the received first DCI and the time-domain start position of the received second DCI using a preset method includes:

[0105] If the time domain start position of receiving the first DCI is before the time domain start position of receiving the second DCI, then the physical uplink control channel (PUCCH) resource identifier is determined at least through the first transmission resource and the first DCI.

[0106] Alternatively, if the time-domain start position of receiving the first DCI is before the time-domain start position of receiving the second DCI, then the physical uplink control channel (PUCCH) resource identifier is determined at least through the second transmission resource and the second DCI.

[0107] Alternatively, based on the indication information, it is determined that the PUCCH resource identifier is obtained at least through the first transmission resource and the first DCI;

[0108] Alternatively, based on the instruction information, it is determined that the PUCCH resource identifier is obtained at least through the second transport resource and the second DCI;

[0109] The indication information includes at least one of the following: RRC information, MAC information, and DCI.

[0110] In conjunction with the second aspect, in one possible implementation, determining the Physical Uplink Control Channel (PUCCH) resource identifier based at least on the higher-layer configuration information and the downlink control information includes:

[0111] The index value of the first PDCCH and the starting CCE index value of the first PDCCH are determined at least based on the configuration information of the first transmission resource and the first DCI; the index value of the second PDCCH and the starting CCE index value of the second PDCCH are determined at least based on the configuration information of the second transmission resource and the second DCI.

[0112] According to a preset method, the PUCCH resource identifier is determined at least by the PDCCH start CCE index value corresponding to the index value of the first PDCCH or the index value of the second PDCCH.

[0113] or,

[0114] The PUCCH resource identifier is determined based on the PDCCH resource corresponding to the maximum value between the starting CCE index value of the first PDCCH and the starting CCE index value of the second PDCCH.

[0115] or,

[0116] The PUCCH resource identifier is determined based on at least the minimum value of the index values ​​of the first PDCCH and the second PDCCH.

[0117] In conjunction with the second aspect, in one possible implementation, determining the PUCCH resource identifier using the starting CCE index value of the first PDCCH or the starting CCE index value of the second PDCCH according to a preset method includes:

[0118] According to the instruction information, the PUCCH resource identifier is determined to be obtained at least through the PDCCH start CCE index value corresponding to the maximum value among the index values ​​of the first PDCCH resource and the second PDCCH.

[0119] Alternatively, based on the instruction information, determine that the PUCCH resource identifier is obtained at least through the PDCCH start CCE index value corresponding to the minimum value among the index values ​​of the first PDCCH resource and the second PDCCH;

[0120] The indication information includes at least one of the following: RRC information, MAC information, and DCI.

[0121] In conjunction with the second aspect, in one possible implementation, determining the Physical Uplink Control Channel (PUCCH) resource identifier based at least on the higher-layer configuration information and the downlink control information includes:

[0122] The starting CCE index value for receiving the first PDCCH is determined at least based on the configuration information of the first transmission resource and the first DCI, and the starting CCE index value for receiving the second PDCCH is determined at least based on the configuration information of the second transmission resource and the second DCI.

[0123] According to a preset method, the PUCCH resource identifier is determined at least based on the first PDCCH start CCE index or the second PDCCH start CCE index value.

[0124] Alternatively, the PUCCH resource identifier may be determined at least based on the maximum value of the first PDCCH start CCE index and the second PDCCH start CCE index.

[0125] Alternatively, the PUCCH resource identifier may be determined based on at least the minimum value between the received first PDCCH start CCE index value and the received second PDCCH start CCE index value.

[0126] In conjunction with the second aspect, in one possible implementation, determining the PUCCH resource identifier according to a preset method based on the received first PDCCH start CCE index or the received second PDCCH start CCE index value includes:

[0127] At least according to the indication information, it is determined that the physical uplink control channel (PUCCH) resource identifier is obtained by using the largest PDCCH start CCE index value between the first PDCCH start CCE index value and the second PDCCH start CCE index value;

[0128] Alternatively, at least according to the indication information, determine that the physical uplink control channel (PUCCH) resource identifier is obtained by using the smallest PDCCH start CCE index value between the first PDCCH start CCE index value and the second PDCCH start CCE index value;

[0129] The indication information includes at least one of the following: RRC information, MAC information, and DCI.

[0130] In conjunction with the second aspect, in one possible implementation, determining the Physical Uplink Control Channel (PUCCH) resource identifier based at least on the higher-layer configuration information and the downlink control information includes:

[0131] The identifiers of the first TCI state and the second TCI state are determined by the higher-level configuration information. The position of the first TCI state in the control resource set is before the position of the second TCI state. The first TCI state is used by the first transmission point to send PDCCH, and the second TCI state is used by the second transmission point to send PDCCH.

[0132] According to a predefined method, the PUCCH resource identifier is determined at least by the transmission resources and downlink control information corresponding to the first TCI state or the second TCI state.

[0133] Alternatively, according to a predefined method, the PUCCH resource identifier is determined by the transmission resources and downlink control information corresponding to at least the largest or smallest TCI state identifier among the first TCI state identifier and the second TCI state identifier.

[0134] In conjunction with the second aspect, in one possible implementation, determining the PUCCH resource identifier based on the transmission resources and downlink control information corresponding to the first TCI state or the second TCI state according to a predefined method includes:

[0135] Based on the instruction information, determine the PUCCH resource identifier by identifying the transmission resources and downlink control information corresponding to at least the first TCI state or the second TCI state;

[0136] The step of determining the PUCCH resource identifier by determining, according to a predefined method, at least the transmission resources and downlink control information corresponding to the largest or smallest TCI state identifier among the first TCI state identifier and the second TCI state identifier, includes:

[0137] Based on the instruction information, determine the PUCCH resource identifier by identifying the transmission resources and downlink control information corresponding to at least the largest or smallest TCI state identifier among the first TCI state identifier and the second TCI state identifier;

[0138] The indication information includes at least one of the following: RRC information, MAC information, and DCI.

[0139] In conjunction with the second aspect, in one possible implementation, if the higher-layer configuration information includes the index values ​​of a first search space set and a second search space set, where the first search space set corresponds to a first transmission point and the second search space set corresponds to a second transmission point, then determining the Physical Uplink Control Channel (PUCCH) resource identifier based at least on the higher-layer configuration information and the downlink control information includes:

[0140] According to a predefined method, the PUCCH resource identifier is determined at least based on the resources corresponding to the first search space set or the second search space set;

[0141] Alternatively, the PUCCH resource identifier may be determined based at least on the resources corresponding to the search space set with the smallest or largest index value in the first search space set and the second search space set.

[0142] In conjunction with the second aspect, in one possible implementation, determining the PUCCH resource identifier according to a predefined method, at least based on the resources corresponding to the first search space set or the second search space set, includes:

[0143] Based on the instruction information, determine the PUCCH resource identifier by using at least the transmission resources and downlink control information corresponding to the first search space set or the second search space set;

[0144] or,

[0145] Based on the instruction information, determine the resource corresponding to the search space resource set corresponding to at least the maximum or minimum value among the first search space set index value and the second search space set index value, and determine the PUCCH resource identifier;

[0146] The indication information includes at least one of the following: RRC information, MAC information, and DCI.

[0147] In conjunction with the second aspect, in one possible implementation, if the higher-layer configuration information includes the index value of the first control resource set / index value of the first control resource set pool and the index value of the second control resource set / index value of the first control resource set pool, where the first control resource set corresponds to the first transmission point and the second control resource set corresponds to the second transmission point, then determining the Physical Uplink Control Channel (PUCCH) resource identifier based at least on the higher-layer configuration information and the downlink control information includes:

[0148] The PUCCH resource identifier is determined by a predefined method, based at least on the resources associated with the control resource set corresponding to the minimum or maximum index value of the first control resource set and the second control resource set.

[0149] or,

[0150] The PUCCH resource identifier is determined by a predefined method, based at least on the resources associated with the control resource set corresponding to the minimum or maximum index value of the first control resource set pool and the second control resource set pool.

[0151] In conjunction with the second aspect, in one possible implementation, determining the PUCCH resource identifier using a predefined method, at least based on the minimum value of the index values ​​of the first and second control resource sets, or the resource associated with the control resource set corresponding to the minimum value, includes:

[0152] Based on the instruction information, determine the resource associated with the control resource set corresponding to at least the minimum or maximum value of the index value of the first control resource set and the index value of the second control resource set, and determine the PUCCH resource identifier;

[0153] The step of determining the PUCCH resource identifier using a predefined method, at least based on the resources associated with the control resource set corresponding to the minimum or maximum index value of the first control resource set pool and the second control resource set pool, includes:

[0154] According to the instruction information, the PUCCH resource identifier is determined based on the resource associated with the control resource set corresponding to the minimum or maximum index value of the first control resource set pool and the second control resource set pool.

[0155] The indication information includes at least one of the following: RRC information, MAC information, and DCI.

[0156] In conjunction with the second aspect, in one possible implementation, if the higher-layer configuration information includes a first control resource set and a second control resource set, where the first control resource set corresponds to a first transmission point and the second control resource set corresponds to a second transmission point, then determining the Physical Uplink Control Channel (PUCCH) resource identifier based at least on the higher-layer configuration information and the downlink control information includes:

[0157] The first number of CCEs is determined using the first control resource set, and the second number of CCEs is determined using the second control resource set.

[0158] The PUCCH resource identifier is determined by a predefined method, at least by the minimum or maximum value of the first CCE number and the second CCE number.

[0159] Alternatively, the PUCCH resource identifier may be determined at least by the minimum of the first CCE number and the second CCE number;

[0160] Alternatively, the PUCCH resource identifier can be determined by at least the maximum value between the first CCE number and the second CCE number.

[0161] In conjunction with the second aspect, in one possible implementation, determining the PUCCH resource identifier by a predefined method, at least by the minimum or maximum value of the first CCE number and the second CCE number, includes:

[0162] Based on the instruction information, the PUCCH resource identifier is determined by at least the maximum or minimum value among the first number of CCEs and the second number of CCEs.

[0163] In conjunction with the second aspect, in one possible implementation, the method further includes:

[0164] Send resource identifier indication information, which is used to indicate the PUCCH resource identifier.

[0165] A third aspect of this application provides a terminal device, the device comprising:

[0166] The first receiving unit is used to receive high-level configuration information;

[0167] The first determining unit is configured to determine, at least based on the higher-level configuration information, the first transmission resource of the first transmission node and the second transmission resource of the second transmission node;

[0168] The second receiving unit is configured to receive downlink control information based on the first transmission resource and the second transmission resource;

[0169] The second determining unit is used to determine the Physical Uplink Control Channel (PUCCH) resource identifier based at least on the higher-layer configuration information and the downlink control information.

[0170] A fourth aspect of this application provides a network device, the device comprising:

[0171] The acquisition unit is used to acquire higher-layer configuration information and downlink control information, wherein the downlink control information includes control information sent by a first transmission node through a first transmission resource and control information sent by a second transmission node through a second transmission resource.

[0172] The transmitting unit is used to transmit the higher-layer configuration information and the downlink control information.

[0173] A fifth aspect of this application provides a computer-readable storage medium storing a computer program for electronic data interchange, wherein the computer program causes a computer to perform some or all of the steps described in the first or second aspect of this application.

[0174] A sixth aspect of this application provides a computer program product, wherein the computer program product includes a non-transitory computer-readable storage medium storing a computer program operable to cause a computer to perform some or all of the steps described in the first or second aspect of this application. The computer program product may be a software installation package.

[0175] These or other aspects of the invention will become more apparent from the following description of the embodiments. Attached Figure Description

[0176] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0177] Figure 1 A schematic diagram of a communication system is provided for an embodiment of this application;

[0178] Figure 2 This application provides an interactive schematic diagram of a resource identifier determination method according to an embodiment of the present application;

[0179] Figure 3 This application provides a schematic diagram of the structure of a terminal device.

[0180] Figure 4 This application provides a schematic diagram of the structure of a network device. Detailed Implementation

[0181] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0182] The terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish different objects, not to describe a specific order. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or apparatus that includes a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units not listed, or may optionally include other steps or units inherent to these processes, methods, products, or apparatuses.

[0183] In this application, the reference to "embodiment" means that a specific feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a mutually exclusive, independent, or alternative embodiment. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described in this application can be combined with other embodiments.

[0184] The following abbreviations will be used in the embodiments of this application: DCI: Downlink control information; PUCCH: Physical uplink control channel; PDCCH: Physical downlink control channel; CCE: Control channel element; RRC: Radio Resource Control; MAC: Medium Access Control.

[0185] In this embodiment of the application, the first transmission point and the second transmission point can be network devices, which can be access network devices, such as base stations, gNBs, eNBs, etc.

[0186] To better understand the resource identifier determination method provided in this application embodiment, the communication system that applies the resource identifier determination method will be briefly introduced below. Figure 1 As shown, the communication system includes a first transmission point, a second transmission point, and a terminal device. The first transmission node determines the corresponding first transmission resource based on higher-layer configuration information, and the second transmission node determines the corresponding second transmission resource based on the same higher-layer configuration information. The first transmission point can send downlink control information to the terminal device, and the second transmission point can also send downlink control information to the terminal device. The terminal device can use the higher-layer configuration information and the downlink control information to determine the Physical Uplink Control Channel (PUCCH) resource identifier, etc.

[0187] Please see Figure 2 , Figure 2 This document provides an interactive schematic diagram of a resource identifier determination method according to an embodiment of this application. For example... Figure 2 As shown, the resource identifier determination method includes:

[0188] S201. Network devices determine high-level configuration information and downlink control information.

[0189] High-level configuration information includes configuration information for the control resource set and configuration information for the search space set. High-level configuration information may also include at least one of the following: RRC information, MAC information, and DCI.

[0190] Downlink control information includes a first DCI sent by a first transmission point and a second DCI sent by a second transmission point. The first DCI and the second DCI can be the same or different. If the first DCI and the second DCI are different, the first DCI and the second DCI can correspond to different parts of the same DCI, or the first DCI and the second DCI can correspond to different DCIs.

[0191] S202. Network devices send high-level configuration information and downlink control information.

[0192] Network devices can send high-level configuration information via high-level signaling, and can send downlink control information via PDCCH.

[0193] S203. The terminal equipment receives high-level configuration information and downlink control information.

[0194] S204. The terminal device determines the Physical Uplink Control Channel (PUCCH) resource identifier based at least on the higher-layer configuration information and the downlink control information.

[0195] The terminal device can determine the PUCCH resource identifier based on the configuration information of the control resource set and the search space set in the higher-layer configuration information frame, as well as the first DCI and the second DCI in the downlink control information.

[0196] In one possible implementation, a possible method for determining the Physical Uplink Control Channel (PUCCH) resource identifier based at least on the higher-layer configuration information and the downlink control information includes:

[0197] A1. The first identifier is determined at least based on the configuration information of the first transmission resource and the first DCI, and the second identifier is determined at least based on the configuration information of the second transmission resource and the second DCI;

[0198] A2. According to a predefined method, the first identifier or the second identifier is determined as the PUCCH resource identifier;

[0199] A3. Alternatively, the maximum value between the first identifier and the second identifier shall be determined as the PUCCH resource identifier;

[0200] A4. Alternatively, the minimum value between the first identifier and the second identifier may be determined as the PUCCH resource identifier.

[0201] The method for determining the first identifier based on the configuration information of the first transmission resource and the first DCI can be as follows: the method for determining the first identifier and the second identifier in existing schemes can be used. For example, the R17 multi-TRP related standards.

[0202] In one possible implementation, a possible method for determining the first identifier or the second identifier as the PUCCH resource identifier according to a predefined method includes:

[0203] A21. Based on the instruction information, the maximum value of the first identifier and the second identifier is determined as the PUCCH resource identifier;

[0204] A22, or, according to the instruction information, the minimum value of the first identifier and the second identifier is determined as the PUCCH resource identifier.

[0205] The indication information can be sent from the network device to the terminal device, and the indication information may include RRC information, MAC information, and DCI.

[0206] The instruction to determine the maximum value between the first identifier and the second identifier as the PUCCH resource identifier can be understood as follows: Based on the instruction information, the maximum value between the first identifier and the second identifier is determined as the PUCCH resource identifier. For example, the instruction information may directly instruct that the maximum or minimum value between the first identifier and the second identifier be determined as the PUCCH resource identifier.

[0207] In one possible implementation, another method for determining the Physical Uplink Control Channel (PUCCH) resource identifier based at least on the higher-layer configuration information and the downlink control information includes:

[0208] B1. Determine the time-domain start position for receiving the first DCI based at least on the configuration information of the first transmission resource, and determine the time-domain start position for receiving the second DCI based at least on the configuration information of the second transmission resource.

[0209] B2. The PUCCH resource identifier is determined by a preset method based at least on the time-domain start position of the first DCI received and the time-domain start position of the second DCI received.

[0210] The PUCCH resource identifier can be determined based on the order in which the time domain start position of the first DCI is received and the time domain start position of the second DCI is received.

[0211] In one possible implementation, a possible method for determining the Physical Uplink Control Channel (PUCCH) resource identifier based on the time-domain start position of the received first DCI and the time-domain start position of the received second DCI using a preset method includes:

[0212] B21. If the time domain start position of receiving the first DCI is before the time domain start position of receiving the second DCI, then the physical uplink control channel (PUCCH) resource identifier is determined at least through the first transmission resource and the first DCI.

[0213] B22. Alternatively, if the time domain start position of receiving the first DCI is before the time domain start position of receiving the second DCI, then the physical uplink control channel (PUCCH) resource identifier is determined at least through the second transmission resource and the second DCI.

[0214] B23, or, according to the indication information, determine that the PUCCH resource identifier is obtained at least through the first transmission resource and the first DCI;

[0215] B24, or, according to the indication information, determine that the PUCCH resource identifier is obtained at least through the second transport resource and the second DCI.

[0216] The PUCCH resource identifier can be obtained via a first transport resource and a first DCI, or at least via a second transport resource and a second DCI, indicated by an instruction message. Instruction can be made according to this instruction message, or it can be indicated in other ways.

[0217] In one possible implementation, a possible method for determining the Physical Uplink Control Channel (PUCCH) resource identifier based at least on the higher-layer configuration information and the downlink control information includes:

[0218] C1. Determine the index value of the first PDCCH and the starting CCE index value of the first PDCCH at least based on the configuration information of the first transmission resource and the first DCI; determine the index value of the second PDCCH and the starting CCE index value of the second PDCCH at least based on the configuration information of the second transmission resource and the second DCI.

[0219] C2. The PUCCH resource identifier is determined at least by the starting CCE index value of the first PDCCH or the starting CCE index value of the second PDCCH according to a preset method.

[0220] or,

[0221] C3. Determine the PUCCH resource identifier based at least on the PDCCH starting CCE index value corresponding to the maximum value between the index value of the first PDCCH and the index value of the second PDCCH;

[0222] or,

[0223] C4. Determine the PUCCH resource identifier based at least on the minimum value of the index values ​​of the first PDCCH and the second PDCCH.

[0224] One method for determining the PUCCH resource identifier based on the PDCCH resource is to use the index value of the starting CCE of the PDCCH resource. Other methods can also be used to determine the PUCCH resource identifier. Specifically, the first PDCCH is used to carry the first DCI, and the second PDCCH is used to carry the second DCI.

[0225] In one possible implementation, a possible method for determining the PUCCH resource identifier using the index value of the first PDCCH starting CCE or the index value of the second PDCCH starting CCE according to a preset method includes:

[0226] C21. Based on the instruction information, determine that the PUCCH resource identifier is obtained at least through the PDCCH start CCE index corresponding to the maximum value of the index values ​​of the first PDCCH resource and the second PDCCH.

[0227] C22, or, according to the instruction information, determine that the PUCCH resource identifier is obtained at least through the PDCCH starting CCE index corresponding to the minimum value of the index values ​​of the first PDCCH resource and the second PDCCH.

[0228] The instruction can be made to obtain the PUCCH resource identifier through the PDCCH resource corresponding to the maximum or minimum value, or it can be indicated in other ways.

[0229] In one possible implementation, another possible method for determining the Physical Uplink Control Channel (PUCCH) resource identifier, based at least on the higher-layer configuration information and the downlink control information, includes:

[0230] D1. Determine the starting CCE index value for receiving the first PDCCH at least based on the configuration information of the first transmission resource and the first DCI, and determine the starting CCE index value for receiving the second PDCCH at least based on the configuration information of the second transmission resource and the second DCI.

[0231] D2. Determine the PUCCH resource identifier based on at least the first PDCCH start CCE index or the second PDCCH start CCE index value according to a preset method.

[0232] D3, or, at least based on the maximum value of the first PDCCH start CCE index and the second PDCCH start CCE index, the PUCCH resource identifier is determined;

[0233] D4. Alternatively, the PUCCH resource identifier may be determined based on at least the minimum value between the received first PDCCH start CCE index value and the received second PDCCH start CCE index value.

[0234] The PUCCH resource identifier can be determined by the CCE index value, or it can be determined by the transformed value of the CCE index value.

[0235] One possible method for determining the PUCCH resource identifier based on the received first PDCCH start CCE index or the received second PDCCH start CCE index value, according to a preset method, includes:

[0236] D21. At least according to the indication information, determine that the physical uplink control channel PUCCH resource identifier is obtained by the largest PDCCH start CCE index value between the first PDCCH start CCE index value and the second PDCCH start CCE index value.

[0237] D22, or at least according to the indication information, determine the Physical Uplink Control Channel (PUCCH) Resource Identifier by the smallest PDCCH Start CCE Index value among the first PDCCH Start CCE Index value and the second PDCCH Start CCE Index value.

[0238] The instruction can be given by obtaining the PUCCH resource identifier through the starting CCE index value of the PDCCH corresponding to the maximum or minimum index value, or by other means.

[0239] In one possible implementation, another possible method for determining the Physical Uplink Control Channel (PUCCH) resource identifier, based at least on the higher-layer configuration information and the downlink control information, includes:

[0240] E1. The identifiers of the first TCI state and the second TCI state are determined through the higher-level configuration information. The position of the first TCI state in the control resource set is before the position of the second TCI state. The first TCI state is used by the first transmission point to send PDCCH, and the second TCI state is used by the second transmission point to send PDCCH.

[0241] E2. Determine the PUCCH resource identifier based on the predefined method, at least through the transmission resources and downlink control information corresponding to the first TCI state or the second TCI state.

[0242] E3, or, according to a predefined method, determine the PUCCH resource identifier by identifying the transmission resources and downlink control information corresponding to at least the largest or smallest TCI state identifier among the first TCI state identifier and the second TCI state identifier.

[0243] The TCI state identifier corresponds to the transmission resources and downlink control information. The method for determining the PUCCH resource identifier can be as follows:

[0244] The PUCCH resource identifier can be determined based on the index value of the starting CCE and the downlink control information in the transmission resource.

[0245] One possible method for determining the PUCCH resource identifier based on the transmission resources and downlink control information corresponding to the first TCI state or the second TCI state, according to a predefined method, includes:

[0246] Based on the instruction information, determine the PUCCH resource identifier by identifying the transmission resources and downlink control information corresponding to at least the first TCI state or the second TCI state;

[0247] One possible method for determining the PUCCH resource identifier is to determine, according to a predefined method, the transmission resources and downlink control information corresponding to at least the largest or smallest TCI state identifier among the first and second TCI state identifiers, including:

[0248] Based on the instruction information, the PUCCH resource identifier is determined by identifying the transmission resources and downlink control information corresponding to at least the largest or smallest TCI state identifier among the first TCI state identifier and the second TCI state identifier.

[0249] The high-level configuration information may carry indication information, which indicates how to determine the PUCCH resource identifier through specific methods.

[0250] In one possible implementation, if the higher-layer configuration information includes index values ​​of a first search space set and a second search space set, where the first search space set corresponds to a first transmission point and the second search space set corresponds to a second transmission point, another possible method for determining the Physical Uplink Control Channel (PUCCH) resource identifier, based at least on the higher-layer configuration information and the downlink control information, includes:

[0251] F1. Determine the PUCCH resource identifier based on at least the resources corresponding to the first search space set or the second search space set according to a predefined method.

[0252] F2, or, at least based on the resources corresponding to the search space set with the smallest or largest index value in the first search space set and the second search space set, the PUCCH resource identifier is determined;

[0253] One possible method for determining the PUCCH resource identifier based on a predefined method, at least according to the resources corresponding to the first search space set or the second search space set, includes:

[0254] F11. Based on the instruction information, determine the PUCCH resource identifier by using at least the transmission resources and downlink control information corresponding to the first search space set or the second search space set.

[0255] or,

[0256] F12. Based on the instruction information, determine the resource corresponding to the search space resource set corresponding to at least the maximum or minimum value among the index values ​​of the first search space set and the second search space set, and determine the PUCCH resource identifier.

[0257] The method can be to determine the PUCCH resource identifier by directly indicating the specific transmission resources and downlink control information corresponding to at least the first search space set or the second search space set, or by directly indicating the resources corresponding to the search space resource set corresponding to the maximum or minimum value among the index values ​​of the first search space set and the second search space set, based on the indication information.

[0258] In one possible implementation, if the higher-layer configuration information includes the index value of a first control resource set / the index value of a first control resource set pool and the index value of a second control resource set / the index value of a first control resource set pool, the first control resource set corresponds to a first transmission point, and the second control resource set corresponds to a second transmission point. A possible method for determining the Physical Uplink Control Channel (PUCCH) resource identifier based at least on the higher-layer configuration information and the downlink control information includes:

[0259] G1. Determine the PUCCH resource identifier by means of a predefined method, at least based on the resources associated with the control resource set corresponding to the minimum or maximum value of the index value of the first control resource set and the index value of the second control resource set.

[0260] G2, or, by a predefined method, the PUCCH resource identifier is determined based at least on the resources associated with the control resource set corresponding to the minimum or maximum index value of the first control resource set pool and the second control resource set pool.

[0261] For example, if the index value of the first control resource set is 1 and the index value of the second control resource set is 2, then the PUCCH resource identifier can be determined based on the first control resource set, for example, [n_cce2 = 16, N_cce2 = 32]. Here, the number of CCEs in the first control resource set is N_cce2 = 32, and n_cce2 = 16 is the index value of the starting CCE of the first transmission resource.

[0262] If the coreset does not have a control set pool index value configured, the default value is 0.

[0263] A possible method for determining the PUCCH resource identifier based at least on the minimum value of the index values ​​of the first control resource set and the second control resource set, or the resource associated with the control resource set corresponding to the minimum value, includes:

[0264] Based on the instruction information, determine the resource associated with the control resource set corresponding to at least the minimum or maximum value of the index value of the first control resource set and the index value of the second control resource set, and determine the PUCCH resource identifier.

[0265] One possible method for determining the PUCCH resource identifier using a predefined method, at least based on the resources associated with the control resource set corresponding to the minimum or maximum index value of the first control resource set pool and the second control resource set pool, includes:

[0266] Based on the instruction information, the PUCCH resource identifier is determined by identifying at least the resource associated with the control resource set corresponding to the minimum or maximum index value of the first control resource set pool and the second control resource set pool.

[0267] In one possible implementation, if the higher-layer configuration information includes a first control resource set and a second control resource set, wherein the first control resource set corresponds to a first transmission point and the second control resource set corresponds to a second transmission point, a possible method for determining the Physical Uplink Control Channel (PUCCH) resource identifier based at least on the higher-layer configuration information and the downlink control information includes:

[0268] H1. Determine the first number of CCEs using the first control resource set, and determine the second number of CCEs using the second control resource set;

[0269] H2. The PUCCH resource identifier is determined by a predefined method, at least by the minimum or maximum value of the first CCE number and the second CCE number.

[0270] H3, or, at least the minimum of the first number of CCEs and the second number of CCEs, the PUCCH resource identifier is determined;

[0271] H4, or, at least the maximum value of the first CCE number and the second CCE number, is used to determine the PUCCH resource identifier.

[0272] One possible example of determining the PUCCH resource identifier by at least the maximum value of the first CCE number is:

[0273] The first control resource set has 32 first control CEs, the second control resource set has 64 second control CEs, the first transmission resource has an index of 8 for its starting CCE, and the second transmission resource has an index of 16 for its starting CCE. Therefore, the PUCCH resource index can be [n_cce2 = 16, N_cce2 = 64], where n_cce2 = 16 is the index of the second transmission resource's starting CCE, and N_cce2 = 64 is the number of second control CEs in the second control resource set.

[0274] One possible method for determining the PUCCH resource identifier using a predefined method, at least by the minimum or maximum value of the first CCE number and the second CCE number, includes:

[0275] Based on the instruction information, the PUCCH resource identifier is determined by at least the maximum or minimum value among the first number of CCEs and the second number of CCEs.

[0276] The method for determining the PUCCH resource identifier through indication information in the above embodiments can be understood as determining the PUCCH resource identifier by indicating a specific method for determining the PUCCH resource identifier through indication information.

[0277] The method described above for determining the PUCCH resource identifier can be applied to terminal devices as well as network devices.

[0278] In one possible implementation, another method for determining the PUCCH resource identifier includes:

[0279] The network device sends resource identifier indication information, which is used to indicate the PUCCH resource identifier;

[0280] The terminal device receives resource identification indication information;

[0281] The terminal device determines the PUCCH resource identifier based on the resource identifier indication information.

[0282] The resource identifier indication information may include the PUCCH resource identifier, so the PUCCH resource identifier can be obtained from the resource identifier indication information. Of course, the resource identifier indication information can also indicate the PUCCH resource identifier in an implicit way.

[0283] For those consistent with the above, please refer to Figure 3 , Figure 3 This application provides a schematic diagram of the structure of a terminal device. For example... Figure 3 As shown, the terminal device includes:

[0284] The first receiving unit 301 is used to receive high-level configuration information;

[0285] The first determining unit 302 is configured to determine, at least based on the higher-level configuration information, the first transmission resource of the first transmission node and the second transmission resource of the second transmission node;

[0286] The second receiving unit 303 is configured to receive downlink control information based on the first transmission resource and the second transmission resource;

[0287] The second determining unit 304 is used to determine the Physical Uplink Control Channel (PUCCH) resource identifier based at least on the higher-layer configuration information and the downlink control information.

[0288] In one possible implementation, the higher-layer configuration information includes configuration information for the control resource set and configuration information for the search space set, and the downlink control information includes a first DCI sent by a first transmission point and a second DCI sent by a second transmission point.

[0289] In one possible implementation, the second determining unit 304 is used to:

[0290] The first identifier is determined at least based on the configuration information of the first transmission resource and the first DCI, and the second identifier is determined at least based on the configuration information of the second transmission resource and the second DCI;

[0291] According to a predefined method, the first identifier or the second identifier is determined as the PUCCH resource identifier;

[0292] Alternatively, the maximum value between the first identifier and the second identifier can be determined as the PUCCH resource identifier;

[0293] Alternatively, the minimum value between the first identifier and the second identifier can be determined as the PUCCH resource identifier.

[0294] In one possible implementation, regarding the determination of the first identifier or the second identifier as a PUCCH resource identifier according to a predefined method, the second determining unit 304 is specifically used for:

[0295] According to the instruction information, the maximum value of the first identifier and the second identifier is determined as the PUCCH resource identifier;

[0296] Alternatively, based on the instruction information, the minimum value between the first identifier and the second identifier may be determined as the PUCCH resource identifier;

[0297] The indication information includes at least one of the following: RRC information, MAC information, and DCI.

[0298] In one possible implementation, the second determining unit 304 is used to:

[0299] The time-domain start position for receiving the first DCI is determined at least based on the configuration information of the first transmission resource, and the time-domain start position for receiving the second DCI is determined at least based on the configuration information of the second transmission resource.

[0300] The PUCCH resource identifier is determined by a preset method based at least on the time-domain start position of the received first DCI and the time-domain start position of the received second DCI.

[0301] In one possible implementation, regarding the determination of the Physical Uplink Control Channel (PUCCH) resource identifier using a preset method based on the time-domain start position of the received first DCI and the time-domain start position of the received second DCI, the second determining unit 304 is configured to:

[0302] If the time domain start position of receiving the first DCI is before the time domain start position of receiving the second DCI, then the physical uplink control channel (PUCCH) resource identifier is determined at least through the first transmission resource and the first DCI.

[0303] Alternatively, if the time-domain start position of receiving the first DCI is before the time-domain start position of receiving the second DCI, then the physical uplink control channel (PUCCH) resource identifier is determined at least through the second transmission resource and the second DCI.

[0304] Alternatively, based on the indication information, it is determined that the PUCCH resource identifier is obtained at least through the first transmission resource and the first DCI;

[0305] Alternatively, based on the instruction information, it is determined that the PUCCH resource identifier is obtained at least through the second transport resource and the second DCI;

[0306] The indication information includes at least one of the following: RRC information, MAC information, and DCI.

[0307] In one possible implementation, the second determining unit 304 is used to:

[0308] The index value of the first PDCCH and the starting CCE index value of the first PDCCH are determined at least based on the configuration information of the first transmission resource and the first DCI; the index value of the second PDCCH and the starting CCE index value of the second PDCCH are determined at least based on the configuration information of the second transmission resource and the second DCI.

[0309] According to a preset method, the PUCCH resource identifier is determined at least by the index value of the first PDCCH start CCE or the index value of the second PDCCH start CCE.

[0310] or,

[0311] The PUCCH resource identifier is determined based at least on the PDCCH starting CCE index value corresponding to the maximum value between the index values ​​of the first PDCCH and the second PDCCH.

[0312] or,

[0313] The PUCCH resource identifier is determined based on at least the minimum value of the index values ​​of the first PDCCH and the second PDCCH.

[0314] In one possible implementation, regarding the determination of the PUCCH resource identifier using the PDCCH start CCE index value corresponding to the index value of the first PDCCH or the index value of the second PDCCH according to a preset method, the second determining unit 304 is configured to:

[0315] According to the instruction information, the PUCCH resource identifier is determined to be obtained at least through the PDCCH start CCE index value corresponding to the maximum value among the index values ​​of the first PDCCH resource and the second PDCCH.

[0316] Alternatively, based on the instruction information, determine that the PUCCH resource identifier is obtained at least through the PDCCH start CCE index value corresponding to the minimum value among the index values ​​of the first PDCCH resource and the second PDCCH;

[0317] The indication information includes at least one of the following: RRC information, MAC information, and DCI.

[0318] In one possible implementation, the second determining unit 304 is used to:

[0319] The starting CCE index value for receiving the first PDCCH is determined at least based on the configuration information of the first transmission resource and the first DCI, and the starting CCE index value for receiving the second PDCCH is determined at least based on the configuration information of the second transmission resource and the second DCI.

[0320] According to a preset method, the PUCCH resource identifier is determined at least based on the first PDCCH start CCE index or the second PDCCH start CCE index value.

[0321] Alternatively, the PUCCH resource identifier may be determined at least based on the maximum value of the first PDCCH start CCE index and the second PDCCH start CCE index.

[0322] Alternatively, the PUCCH resource identifier may be determined based on at least the minimum value between the received first PDCCH start CCE index value and the received second PDCCH start CCE index value.

[0323] In one possible implementation, regarding the determination of the PUCCH resource identifier according to the preset method based on the received first PDCCH start CCE index or the received second PDCCH start CCE index value, the second determining unit 304 is configured to:

[0324] At least according to the indication information, it is determined that the physical uplink control channel (PUCCH) resource identifier is obtained by using the largest PDCCH start CCE index value between the first PDCCH start CCE index value and the second PDCCH start CCE index value;

[0325] Alternatively, at least according to the indication information, determine that the physical uplink control channel (PUCCH) resource identifier is obtained by using the smallest PDCCH start CCE index value between the first PDCCH start CCE index value and the second PDCCH start CCE index value;

[0326] The indication information includes at least one of the following: RRC information, MAC information, and DCI.

[0327] In one possible implementation, the second determining unit 304 is used to:

[0328] The identifiers of the first TCI state and the second TCI state are determined by the higher-level configuration information. The position of the first TCI state in the control resource set is before the position of the second TCI state. The first TCI state is used by the first transmission point to send PDCCH, and the second TCI state is used by the second transmission point to send PDCCH.

[0329] According to a predefined method, the PUCCH resource identifier is determined at least by the transmission resources and downlink control information corresponding to the first TCI state or the second TCI state.

[0330] Alternatively, according to a predefined method, the PUCCH resource identifier is determined by the transmission resources and downlink control information corresponding to at least the largest or smallest TCI state identifier among the first TCI state identifier and the second TCI state identifier.

[0331] In one possible implementation, regarding the determination of the PUCCH resource identifier by determining the transmission resources and downlink control information corresponding to the first TCI state or the second TCI state according to a predefined method, the second determining unit 304 is configured to:

[0332] Based on the instruction information, determine the PUCCH resource identifier by identifying the transmission resources and downlink control information corresponding to at least the first TCI state or the second TCI state;

[0333] The step of determining the PUCCH resource identifier by determining, according to a predefined method, at least the transmission resources and downlink control information corresponding to the largest or smallest TCI state identifier among the first TCI state identifier and the second TCI state identifier, includes:

[0334] Based on the instruction information, determine the PUCCH resource identifier by identifying the transmission resources and downlink control information corresponding to at least the largest or smallest TCI state identifier among the first TCI state identifier and the second TCI state identifier;

[0335] The indication information includes at least one of the following: RRC information, MAC information, and DCI.

[0336] In one possible implementation, if the higher-level configuration information includes the index values ​​of a first search space set and a second search space set, where the first search space set corresponds to a first transmission point and the second search space set corresponds to a second transmission point, the second determining unit 304 is used to:

[0337] According to a predefined method, the PUCCH resource identifier is determined at least based on the resources corresponding to the first search space set or the second search space set;

[0338] Alternatively, the PUCCH resource identifier may be determined based at least on the resources corresponding to the search space set with the smallest or largest index value in the first search space set and the second search space set.

[0339] In one possible implementation, regarding the determination of the PUCCH resource identifier according to a predefined method, at least based on the resources corresponding to the first search space set or the second search space set, the second determining unit 304 is configured to:

[0340] Based on the instruction information, determine the PUCCH resource identifier by using at least the transmission resources and downlink control information corresponding to the first search space set or the second search space set;

[0341] or,

[0342] Based on the instruction information, determine the resource corresponding to the search space resource set corresponding to at least the maximum or minimum value among the first search space set index value and the second search space set index value, and determine the PUCCH resource identifier;

[0343] The indication information includes at least one of the following: RRC information, MAC information, and DCI.

[0344] In one possible implementation, if the higher-level configuration information includes the index value of the first control resource set / the index value of the first control resource set pool and the index value of the second control resource set / the index value of the first control resource set pool, the first control resource set corresponds to the first transmission point, and the second control resource set corresponds to the second transmission point, the second determining unit 304 is used for:

[0345] The PUCCH resource identifier is determined by a predefined method, based at least on the resources associated with the control resource set corresponding to the minimum or maximum index value of the first control resource set and the second control resource set.

[0346] or,

[0347] The PUCCH resource identifier is determined by a predefined method, based at least on the resources associated with the control resource set corresponding to the minimum or maximum index value of the first control resource set pool and the second control resource set pool.

[0348] In one possible implementation, regarding the determination of the PUCCH resource identifier by a predefined method, at least based on the minimum value of the index values ​​of the first and second control resource sets, or the resource associated with the control resource set corresponding to the minimum value, the second determining unit 304 is configured to:

[0349] Based on the instruction information, determine the resource associated with the control resource set corresponding to at least the minimum or maximum value of the index value of the first control resource set and the index value of the second control resource set, and determine the PUCCH resource identifier;

[0350] The step of determining the PUCCH resource identifier using a predefined method, at least based on the resources associated with the control resource set corresponding to the minimum or maximum index value of the first control resource set pool and the second control resource set pool, includes:

[0351] According to the instruction information, the PUCCH resource identifier is determined based on the resource associated with the control resource set corresponding to the minimum or maximum index value of the first control resource set pool and the second control resource set pool.

[0352] The indication information includes at least one of the following: RRC information, MAC information, and DCI.

[0353] In one possible implementation, if the higher-level configuration information includes a first control resource set and a second control resource set, wherein the first control resource set corresponds to a first transmission point and the second control resource set corresponds to a second transmission point, the second determining unit 304 is used to:

[0354] The first number of CCEs is determined using the first control resource set, and the second number of CCEs is determined using the second control resource set.

[0355] The PUCCH resource identifier is determined by a predefined method, at least by the minimum or maximum value of the first CCE number and the second CCE number.

[0356] Alternatively, the PUCCH resource identifier may be determined at least by the minimum of the first CCE number and the second CCE number;

[0357] Alternatively, the PUCCH resource identifier can be determined by at least the maximum value between the first CCE number and the second CCE number.

[0358] In one possible implementation, regarding the determination of the PUCCH resource identifier by a predefined method, at least by the minimum or maximum value of the first CCE number and the second CCE number, the second determining unit 304 is configured to:

[0359] Based on the instruction information, determine the PUCCH resource identifier by at least the maximum or minimum value among the first number of CCEs and the second number of CCEs;

[0360] The indication information includes at least one of the following: RRC information, MAC information, and DCI.

[0361] In one possible implementation, the terminal device is further used for:

[0362] Receive resource identifier indication information;

[0363] The PUCCH resource identifier is determined based on the resource identifier indication information.

[0364] Please see Figure 4 , Figure 4 This application provides a schematic diagram of the structure of a network device. For example... Figure 4 As shown, the device includes:

[0365] The acquisition unit 401 is used to acquire higher-layer configuration information and downlink control information, wherein the downlink control information includes control information sent by the first transmission node through the first transmission resource and control information sent by the second transmission node through the second transmission resource.

[0366] The transmitting unit 402 is used to transmit the higher-layer configuration information and the downlink control information.

[0367] In one possible implementation, the device is further used for:

[0368] The Physical Uplink Control Channel (PUCCH) resource identifier is determined based at least on the higher-layer configuration information and the downlink control information.

[0369] In one possible implementation, the higher-layer configuration information includes configuration information for the control resource set and configuration information for the search space set, and the downlink control information includes a first DCI sent by a first transmission point and a second DCI sent by a second transmission point.

[0370] In one possible implementation, the device is further used for:

[0371] The first identifier is determined at least based on the configuration information of the first transmission resource and the first DCI, and the second identifier is determined at least based on the configuration information of the second transmission resource and the second DCI;

[0372] According to a predefined method, the first identifier or the second identifier is determined as the PUCCH resource identifier;

[0373] Alternatively, the maximum value between the first identifier and the second identifier can be determined as the PUCCH resource identifier;

[0374] Alternatively, the minimum value between the first identifier and the second identifier can be determined as the PUCCH resource identifier.

[0375] In one possible implementation, the device is further used for:

[0376] The time-domain start position for receiving the first DCI is determined at least based on the configuration information of the first transmission resource, and the time-domain start position for receiving the second DCI is determined at least based on the configuration information of the second transmission resource.

[0377] The PUCCH resource identifier is determined by a preset method based at least on the time-domain start position of the received first DCI and the time-domain start position of the received second DCI.

[0378] In one possible implementation, the device is further used for:

[0379] The index value of the first PDCCH and the starting CCE index value of the first PDCCH are determined at least based on the configuration information of the first transmission resource and the first DCI; the index value of the second PDCCH and the second PDCCH index value are determined at least based on the configuration information of the second transmission resource and the second DCI.

[0380] According to a preset method, the PUCCH resource identifier is determined at least by the index value of the first PDCCH start CCE or the index value of the second PDCCH start CCE.

[0381] or,

[0382] The PUCCH resource identifier is determined based at least on the PDCCH starting CCE index value corresponding to the maximum value between the index values ​​of the first PDCCH and the second PDCCH.

[0383] or,

[0384] The PUCCH resource identifier is determined based on at least the minimum value of the index values ​​of the first PDCCH and the second PDCCH.

[0385] In one possible implementation, the device is further used for:

[0386] The starting CCE index value for receiving the first PDCCH is determined at least based on the configuration information of the first transmission resource and the first DCI, and the starting CCE index value for receiving the second PDCCH is determined at least based on the configuration information of the second transmission resource and the second DCI.

[0387] According to a preset method, the PUCCH resource identifier is determined at least based on the first PDCCH start CCE index or the second PDCCH start CCE index value.

[0388] Alternatively, the PUCCH resource identifier may be determined at least based on the maximum value of the first PDCCH start CCE index and the second PDCCH start CCE index.

[0389] Alternatively, the PUCCH resource identifier may be determined based on at least the minimum value between the received first PDCCH start CCE index value and the received second PDCCH start CCE index value.

[0390] In one possible implementation, the device is further used for:

[0391] The identifiers of the first TCI state and the second TCI state are determined by the higher-level configuration information. The position of the first TCI state in the control resource set is before the position of the second TCI state. The first TCI state is used by the first transmission point to send PDCCH, and the second TCI state is used by the second transmission point to send PDCCH.

[0392] According to a predefined method, the PUCCH resource identifier is determined at least by the transmission resources and downlink control information corresponding to the first TCI state or the second TCI state.

[0393] Alternatively, according to a predefined method, the PUCCH resource identifier is determined by the transmission resources and downlink control information corresponding to at least the largest or smallest TCI state identifier among the first TCI state identifier and the second TCI state identifier.

[0394] In one possible implementation, if the higher-level configuration information includes index values ​​of a first search space set and a second search space set, wherein the first search space set corresponds to a first transmission point and the second search space set corresponds to a second transmission point, the device is further configured to:

[0395] According to a predefined method, the PUCCH resource identifier is determined at least based on the resources corresponding to the first search space set or the second search space set;

[0396] Alternatively, the PUCCH resource identifier may be determined based at least on the resources corresponding to the search space set with the smallest or largest index value in the first search space set and the second search space set.

[0397] In one possible implementation, if the higher-level configuration information includes the index value of a first control resource set / the index value of a first control resource set pool and the index value of a second control resource set / the index value of a first control resource set pool, where the first control resource set corresponds to a first transmission point and the second control resource set corresponds to a second transmission point, the device is further configured to:

[0398] The PUCCH resource identifier is determined by a predefined method, based at least on the resources associated with the control resource set corresponding to the minimum or maximum index value of the first control resource set and the second control resource set.

[0399] or,

[0400] The PUCCH resource identifier is determined by a predefined method, based at least on the resources associated with the control resource set corresponding to the minimum or maximum index value of the first control resource set pool and the second control resource set pool.

[0401] In one possible implementation, if the higher-level configuration information includes a first control resource set and a second control resource set, wherein the first control resource set corresponds to a first transmission point and the second control resource set corresponds to a second transmission point, the device is further configured to:

[0402] The first number of CCEs is determined using the first control resource set, and the second number of CCEs is determined using the second control resource set.

[0403] The PUCCH resource identifier is determined by a predefined method, at least by the minimum or maximum value of the first CCE number and the second CCE number.

[0404] Alternatively, the PUCCH resource identifier may be determined at least by the minimum of the first CCE number and the second CCE number;

[0405] Alternatively, the PUCCH resource identifier can be determined by at least the maximum value between the first CCE number and the second CCE number.

[0406] In one possible implementation, the device is further used for:

[0407] Send resource identifier indication information, which is used to indicate the PUCCH resource identifier.

[0408] This application also provides a computer storage medium storing a computer program for electronic data interchange, which causes a computer to perform some or all of the steps of any of the resource identification determination methods described in the above method embodiments.

[0409] This application also provides a computer program product, which includes a non-transitory computer-readable storage medium storing a computer program that causes a computer to perform some or all of the steps of any of the resource identifier determination methods described in the above method embodiments.

[0410] It should be noted that, for the sake of simplicity, the foregoing method embodiments are all described as a series of actions. However, those skilled in the art should understand that this application is not limited to the described order of actions, as some steps may be performed in other orders or simultaneously according to this application. Furthermore, those skilled in the art should also understand that the embodiments described in the specification are preferred embodiments, and the actions and modules involved are not necessarily essential to this application.

[0411] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0412] In the several embodiments provided in this application, it should be understood that the disclosed apparatus can be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative; for instance, the division of units is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or direct coupling or communication connection shown or discussed may be through some interfaces; the indirect coupling or communication connection between devices or units may be electrical or other forms.

[0413] The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0414] Furthermore, the functional units in the various embodiments of the application can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit. The integrated unit can be implemented in hardware or as a software program module.

[0415] If the integrated unit is implemented as a software program module and sold or used as an independent product, it can be stored in a computer-readable storage device (CMD). Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, or all or part of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a memory and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of this application. The aforementioned memory includes various media capable of storing program code, such as USB flash drives, read-only memory (ROM), random access memory (RAM), portable hard drives, magnetic disks, or optical disks.

[0416] Those skilled in the art will understand that all or part of the steps in the various methods of the above embodiments can be implemented by a program instructing related hardware. The program can be stored in a computer-readable storage device, which may include: a flash drive, a read-only memory, a random access memory, a magnetic disk, or an optical disk, etc.

[0417] The embodiments of this application have been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of this application. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of this application. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this application. Therefore, the content of this specification should not be construed as a limitation of this application.

Claims

1. A method for determining resource identifiers, characterized in that, The method includes: Receive high-level configuration information and downlink control information; The Physical Uplink Control Channel (PUCCH) resource identifier is determined based at least on the higher-layer configuration information and the downlink control information. Wherein, if the higher-layer configuration information includes the index values ​​of the first search space set and the second search space set, the step of determining the Physical Uplink Control Channel (PUCCH) resource identifier based at least on the higher-layer configuration information and the downlink control information includes: The PUCCH resource identifier is determined based at least on the resources corresponding to the search space set with the smallest or largest index value in the first search space set and the second search space set.

2. The method according to claim 1, characterized in that, The higher-level configuration information includes configuration information for the control resource set and configuration information for the search space set. The downlink control information includes a first DCI sent by a first transmission point and a second DCI sent by a second transmission point.

3. The method according to claim 2, characterized in that, The first search space set corresponds to the first transmission point, and the second search space set corresponds to the second transmission point.

4. A method for determining resource identifiers, characterized in that, The method includes: Obtain higher-layer configuration information and downlink control information; wherein, if the higher-layer configuration information includes the index value of the first search space set and the index value of the second search space set, the resource corresponding to the search space set with the smallest or largest index value in the first search space set and the second search space set is used to determine the Physical Uplink Control Channel (PUCCH) resource identifier; Send the higher-level configuration information and the downlink control information.

5. The method according to claim 4, characterized in that, The higher-level configuration information includes configuration information for the control resource set and configuration information for the search space set. The downlink control information includes a first DCI sent by a first transmission point and a second DCI sent by a second transmission point.

6. The method according to claim 5, characterized in that, The first search space set corresponds to the first transmission point, and the second search space set corresponds to the second transmission point.

7. A terminal device, characterized in that, The device includes: The first receiving unit is used to receive higher-level configuration information and downlink control information; The second determining unit is configured to determine the Physical Uplink Control Channel (PUCCH) resource identifier based at least on the higher-layer configuration information and the downlink control information. Wherein, if the higher-layer configuration information includes the index values ​​of the first search space set and the second search space set, the step of determining the Physical Uplink Control Channel (PUCCH) resource identifier based at least on the higher-layer configuration information and the downlink control information includes: The PUCCH resource identifier is determined based at least on the resources corresponding to the search space set with the smallest or largest index value in the first search space set and the second search space set.

8. A network device, characterized in that, The device includes: The acquisition unit is used to acquire higher-layer configuration information and downlink control information; wherein, if the higher-layer configuration information includes the index value of the first search space set and the index value of the second search space set, the resource corresponding to the search space set with the smallest or largest index value in the first search space set and the second search space set is used to determine the physical uplink control channel (PUCCH) resource identifier. The transmitting unit is used to transmit the higher-layer configuration information and the downlink control information.

9. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores a computer program, the computer program including program instructions that, when executed by a processor, cause the processor to perform the method as described in any one of claims 1-6.

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