METHOD AND APPARATUS FOR INFORMATION RECEPTION AND INFORMATION TRANSMISSION
An apparatus, configured in a terminal equipment, includes: a receiver configured to: receive first configuration information, the first configuration information being used to configure one or more candidate target cells, and receive first indication information, the first indication information being used to indicate a first transmission configuration indication (TCI) state and cell switch; and a transmitter configured to transmit feedback information (HARQ-ACK); wherein after at least a first time interval is passed after the last symbol of the feedback information (HARQ-ACK), indicated first transmission configuration indication (TCI) state is applied in a first cell; the first indication information is used to indicate one or more candidate target cells and one primary target cell in the configured one or more candidate target cells, the primary target cell is one of the configured one or more candidate cells, and the first cell is the primary target cell.
1 . An apparatus, configured in a terminal equipment, the apparatus comprising:
a receiver configured to: receive first configuration information, the first configuration information being used to configure one or more candidate target cells, and receive first indication information, the first indication information being used to indicate a first transmission configuration indication (TCI) state and cell switch; and
a transmitter configured to transmit feedback information (HARQ-ACK);
wherein after at least a first time interval is passed after the last symbol of the feedback information (HARQ-ACK), indicated first transmission configuration indication (TCI) state is applied in a first cell;
the first indication information is used to indicate one or more candidate target cells and one primary target cell in the configured one or more candidate target cells, the primary target cell is one of the configured one or more candidate cells, and the first cell is the primary target cell.
2 . The apparatus according to claim 1 , wherein the primary target cell is a PCell (Primary Cell) or a PScell (Primary Secondary cell).
3 . The apparatus according to claim 1 , wherein the first indication information is MAC CE.
4 . The apparatus according to claim 1 , wherein each candidate target cell in the configured one or more candidate target cells is associated with one first time interval, and at least a first time interval being passed comprises a first time interval with which the primary target cell is associated being passed.
5 . The apparatus according to claim 1 , wherein the indicated first transmission configuration indication (TCI) state is associated with a cell, the cell being the primary target cell or a cell other than the primary target cell.
6 . The apparatus according to claim 4 , wherein the first time intervals associated with candidate target cells belonging to the same simultaneous TCI update list (simultaneousTCI-UpdateList), and/or, belonging to the same master cell group (MCG), and/or, belonging to the same secondary cell group (SCG) are identical.
7 . The apparatus according to claim 4 , wherein the first time interval associated with the candidate target cell is one or more symbols, the one or more symbols being determined according to a first reference cell, the first reference cell comprising one of the followings:
the candidate target cell associated with the first time interval;
a candidate target cell with a minimum subcarrier spacing in candidate target cells belonging to the same simultaneous TCI update list (simultaneousTCI-UpdateList), and/or, belonging to the same master cell group (MCG), and/or, belonging to the same secondary cell group (SCG) as the candidate target cells associated with the first time intervals;
a candidate target cell with a minimum subcarrier spacing in the configured one or more candidate target cells; or
a serving cell with a minimum subcarrier spacing in serving cells.
8 . The apparatus according to claim 1 , wherein the indicated first transmission configuration indication (TCI) state is applied in the first cell starting from a first slot after at least the first time interval is passed after the last symbol of the feedback information (HARQ-ACK),
wherein the first slot is determined according to a second reference cell, the second reference cell comprising the primary target cell.
9 . The apparatus according to claim 7 , wherein
the receiver is further configured to receive second configuration information, wherein the second configuration information is used to configure one third time interval for each candidate target cell in the configured one or more candidate target cells, or
the second configuration information is used to configure the same third time interval for the candidate target cells belonging to the same simultaneous TCI update list (simultaneousTCI-UpdateList), and/or, belonging to the same master cell group (MCG), and/or, belonging to the same secondary cell group (SCG), or
the second configuration information is used to configure one third time interval for the configured one or more candidate target cells.
10 . The apparatus according to claim 9 , wherein the first time interval with which one candidate target cell is associated is equal to the third time interval configured for the candidate target cell.
11 . The apparatus according to claim 9 , wherein in a case where the second configuration information is used to configure one third time interval for each candidate target cell in the configured one or more candidate target cells,
the third time intervals configured for the candidate target cells belonging to the same simultaneous TCI update list (simultaneousTCI-UpdateList), and/or, belonging to the same master cell group (MCG), and/or, belonging to the same secondary cell group (SCG) are identical.
12 . The apparatus according to claim 9 , wherein the third time interval is one or more symbols, wherein the one or more symbols are determined according to the first reference cell.
13 . The apparatus according to claim 7 , wherein the transmitter is further configured to report one second time interval for each candidate target cell in the configured one or more candidate target cells, or
report the same second time interval for the candidate target cells belonging to the same simultaneous TCI update list (simultaneousTCI-UpdateList), and/or, belonging to the same master cell group (MCG), and/or, belonging to the same secondary cell group (SCG), or
report one second time interval for the configured one or more candidate target cells.
14 . The apparatus according to claim 13 , wherein a first time interval with which one candidate target cell is associated is equal to the second time interval reported for the candidate target cell.
15 . The apparatus according to claim 13 , wherein in a case where one second time interval is reported for each candidate target cell in the configured one or more candidate target cells, the second time intervals reported for the candidate target cells belonging to the same simultaneous TCI update list (simultaneousTCI-UpdateList), and/or, belonging to the same master cell group (MCG), and/or, belonging to the same secondary cell group (SCG) are identical.
16 . The apparatus according to claim 13 , wherein the second time interval is one or more symbols, wherein the one or more symbols are determined according to the first reference cell.
17 . The apparatus according to claim 1 , wherein
the first transmission configuration indication (TCI) state is applied to at least one of the following channels or signals of the primary target cell:
a synchronization signal and PBCH block (SSB);
a physical random access channel (PRACH);
a type 1 physical downlink control channel common search space set (Type1-PDCCH CSS set);
a control resource set (CORESET) associated with the type 1 physical downlink control channel common search space set (Type1-PDCCH CSS set);
a type 2 physical downlink control channel common search space set (Type2-PDCCH CSS set);
a control resource set (CORESET) associated with the type 2 physical downlink control channel common search space set (Type2-PDCCH CSS set); or,
a physical uplink shared channel (PUSCH) scheduled by a random access response UL grant.
18 . The apparatus according to claim 1 , wherein the receiver is configured to receive the second indication information after receiving the first indication information, wherein the second indication information is used to indicate a second transmission configuration indication (TCI) state; and
in a case where a first cell set to which the indicated first transmission configuration indication (TCI) state is applied is a subset of a second cell set to which the indicated second transmission configuration indication (TCI) state is applied, the indicated second transmission configuration indication (TCI) state is applied to the second cell set, wherein the second transmission configuration indication (TCI) state is identical to the first transmission configuration indication (TCI) state.
19 . An apparatus, configured in a network device, the apparatus comprising:
a transmitter configured to: transmit first configuration information, the first configuration information being used to configure one or more candidate target cells, and transmit first indication information, the first indication information being used to indicate first transmission configuration indication (TCI) state and cell switch; and
a receiver configured to receive feedback information (HARQ-ACK),
wherein after at least a first time interval is passed after the last symbol of the feedback information (HARQ-ACK), indicated first transmission configuration indication (TCI) state is applied in a first cell,
the first indication information indicates one or more candidate target cells and one primary target cell in configured one or more candidate target cells, the primary target cell is one of the configured one or more candidate cells, and the first cell is the primary target cell.