Method and apparatus for configuring physical uplink control channel resource set and determining starting symbol
View Patent ↗A method and an apparatus for configuring a PUCCH resource set and determining a starting symbol are disclosed, where the method for configuring a PUCCH resource set may include: determining, by a terminal device, a target time-domain structure; determining, by the terminal device, a group of PUCCH resource sets corresponding to the target time-domain structure, where a group of PUCCH resource sets is respectively configured for a different time-domain structure; and determining, by the terminal device, a PUCCH resource set from a group of PUCCH resource sets corresponding to the target time-domain structure, and determining, by the terminal device, a PUCCH resource from the determined PUCCH resource set, where the determined PUCCH resource is used for transmitting UCI. By applying the solution described in the present application, more flexible PUCCH resource allocation can be realized, and efficiency of resource utilization in a PUCCH resource set can be improved, etc.
1 . A method for configuring a physical uplink control channel (PUCCH) resource set, comprising:
determining, by a terminal device, a target time-domain structure;
determining, by the terminal device, a PUCCH resource set group corresponding to the target time-domain structure;
wherein different PUCCH resource set group are respectively configured for different time-domain structures; and
determining, by the terminal device, a PUCCH resource set from the PUCCH resource set group corresponding to the target time-domain structure, and determining, by the terminal device, a PUCCH resource from the determined PUCCH resource set,
wherein the determined PUCCH resource is used for transmitting uplink control information (UCI);
wherein the determining, by the terminal device, the target time-domain structure comprises:
determining, by the terminal device, an intra-slot structure, and determining the target time-domain structure according to the intra-slot structure;
wherein the intra-slot structure is only one of the following:
a first intra-slot structure, a second intra-slot structure, a third intra-slot structure, or a fourth intra-slot structure;
wherein a slot in the first intra-slot structure comprises only one time-domain structure therein, and the time-domain structure comprises 14 symbols therein;
a slot in the second intra-slot structure comprises 2 time-domain structures therein, and each time-domain structure comprises 7 symbols therein;
a slot in the third intra-slot structure, comprises 4 time-domain structures therein, and each time-domain structure comprises 3 or 4 symbols therein; and
a slot in the fourth intra-slot structure comprises 7 time-domain structures therein, and each time-domain structure comprises 2 symbols therein;
wherein the determining the target time-domain structure according to the intra-slot structure comprises:
acquiring a time-domain offset amount between a time-domain structure where the UCI is located and a time-domain structure where a corresponding physical downlink shared channel PDSCH is located and
determining the target time-domain structure according to the time-domain structure where the PDSCH is located and the time-domain offset amount, when the intra-slot structure is the third intra-slot structure.
2 . The method according to claim 1 ,
wherein the determining, by the terminal device, the intra-slot structure comprises:
determining, by the terminal device, the intra-slot structure according to acquired network side information; or
determining, by the terminal device, the intra-slot structure according to a radio network temporary identifier (RNTI) used for scrambling downlink control information (DCI); or determining, by the terminal device, the intra-slot structure by combining the RNTI used for scrambling the DCI with the acquired network side information.
3 . The method according to claim 1 , further comprising:
acquiring the time-domain offset amount according to indication information in downlink control information (DCI).
4 . The method according to claim 1 ,
wherein a sum of a starting symbol and a number of symbols in a PUCCH resource in a PUCCH resource set configured for the time-domain structure in the first intra-slot structure is less than or equal to 14;
a sum of a starting symbol and a number of symbols in a PUCCH resource in a PUCCH resource set configured for a time-domain structure in the second intra slot structure is less than or equal to 7;
a sum of a starting symbol and a number of symbols in a PUCCH resource in a PUCCH resource set configured for a time-domain structure comprising 3 symbols in the third intra-slot structure is less than or equal to 3;
a sum of a starting symbol and a number of symbols in a PUCCH resource in a PUCCH resource set configured for a time-domain structure comprising 4 symbols in the third intra-slot structure is less than or equal to 4;
a sum of a starting symbol and a number of symbols in a PUCCH resource in a PUCCH resource set configured for a time-domain structure in the fourth intra-slot structure is less than or equal to 2.
5 . An apparatus for configuring a physical uplink control channel (PUCCH) resource set, comprising:
a processor and a memory,
wherein the memory is configured to store a computer program, the processor when executing the computer program, being configured to:
determine a target time-domain structure;
determine a PUCCH resource set group corresponding to the target time-domain structure;
wherein different PUCCH resource set group are respectively configured for different time-domain structures; and
determine a PUCCH resource set from the PUCCH resource set group corresponding to the target time-domain structure and determine a PUCCH resource from the determined PUCCH resource set,
wherein the determined PUCCH resource is used for transmitting uplink control information (UCI);
wherein the processor is further configured to:
determine an intra-slot structure, and determine the target time-domain structure according to the intra-slot structure;
wherein the intra-slot structure is only one of the following: a first intra-slot structure, a second intra-slot structure, a third intra-slot structure, or a fourth intra-slot structure;
wherein a slot in the first intra-slot structure, comprises only one time-domain structure therein, and the time-domain structure comprises 14 symbols therein;
a slot in the second intra-slot structure comprises 2 time-domain structures therein, and each time-domain structure comprises 7 symbols therein;
a slot in the third intra-slot structure comprises 4 time-domain structures therein, and each time-domain structure comprises 3 or 4 symbols therein; and
a slot in the fourth intra-slot structure, comprises 7 time-domain structures therein, and each time-domain structure comprises 2 symbols therein;
wherein the processor is further configured to:
acquire a time-domain offset amount between a time-domain structure where the UCI is located and a time-domain structure where a corresponding physical downlink shared channel PDSCH is located and
determine the target time-domain structure according to the time-domain structure where the PDSCH is located and the time-domain offset amount, when the intra-slot structure is the third intra-slot structure.
6 . The apparatus according to claim 5 , wherein the processor is further configured to:
determine the intra-slot structure according to acquired network side information; or
determine the intra-slot structure according to a radio network temporary identifier (RNTI) used for scrambling downlink control information (DCI); or
determine the intra-slot structure by combining the RNTI used for scrambling the DCI with the acquired network side information.
7 . The apparatus according to claim 5 ,
wherein the processor is further configured to:
acquire the time-domain offset amount according to indication information in downlink control information (DCI).
8 . The apparatus according to claim 5 ,
wherein a sum of a starting symbol and a number of symbols in a PUCCH resource in a PUCCH resource set configured for the time-domain structure in the first intra-slot structure is less than or equal to 14;
a sum of a starting symbol and a number of symbols in a PUCCH resource in a PUCCH resource set configured for a time-domain structure in the second intra-slot structure is less than or equal to 7;
a sum of a starting symbol and a number of symbols in a PUCCH resource in a PUCCH resource set configured for a time-domain structure comprising 3 symbols in the third intra-slot structure is less than or equal to 3;
a sum of a starting symbol and a number of symbols in a PUCCH resource in a PUCCH resource set configured for a time-domain structure comprising 4 symbols in the third intra-slot structure is less than or equal to 4;
a sum of a starting symbol and a number of symbols in a PUCCH resource in a PUCCHresource set configured for a time-domain structure in the fourth intra-slot structure is less than or equal to 2.