DATA RECEPTION METHOD, DATA TRANSMISSION METHOD AND APPARATUSES THEREOF

1 . A data reception apparatus, configured in a terminal equipment, the data reception apparatus comprising:

a receiver configured to:

receive first indication information, the first indication information indicating a transmission configuration indication (TCI) state set for each candidate cell and including information of a unified TCI state type (unified TCI-StateType) for each candidate cell,

receive second indication information, the second indication information indicating that the terminal equipment is switched to a target cell which is one of at least one candidate cell configured for the terminal equipment, and

receive third indication information, the third indication information indicating a transmission configuration indication (TCI) state that is applied to a first bandwidth part (BWP) of the target cell from the transmission configuration indication (TCI) state set of the target cell and

processor circuitry configured to perform a process to switch to the target cell according to the second indication information.

2 . The apparatus according to claim 1 , wherein the at least one candidate cell including the target cell comprises a serving cell and/or a non-serving cell.

3 . The apparatus according to claim 1 , wherein the TCI state set is for a bandwidth part (BWP) of the candidate cell.

4 . The apparatus according to claim 3 , wherein the TCI state set comprises a first TCI state, wherein the first TCI state is applied to the BWP of the candidate cell.

5 . The apparatus according to claim 3 , wherein the TCI state set is indicated in candidate cell configuration information.

6 . The apparatus according to claim 3 , wherein the TCI state set is indicated for the first BWP of the target cell.

7 . The apparatus according to claim 1 , wherein the target cell is indicated by the second indication information.

8 . The apparatus according to claim 1 , wherein the first BWP of the target cell is indicated by the second indication information or is determined according to candidate cell configuration information.

9 . The apparatus according to claim 1 , wherein the processor circuitry is further configured to apply the TCI state indicated by the third indication information to a downlink bandwidth part (BWP) and an uplink bandwidth part (BWP) of the target cell when the unified TCI state type (unifiedTCI-State Type) configured for the target cell is joint.

10 . The apparatus according to claim 1 , wherein

the receiver is configured to receive a MAC (Media Access Control) CE (Control Element) including the second indication information and the third indication information.

11 . A data reception apparatus, applicable to a terminal equipment, the data reception apparatus comprising:

a receiver configured to:

receive fourth indication information, the fourth indication information indicating a transmission configuration indication (TCI) state set for each candidate cell and including information of a unified TCI state type (unified TCI-StateType) for each candidate cell,

receive fifth indication information, the fifth indication information indicating a transmission configuration indication (TCI) state subset for a transmission configuration indication (TCI) state set, and

receive sixth indication information, the sixth indication information indicating that the terminal equipment is switched to a target cell which is one of at least one candidate cell configured for the terminal equipment, and

receive seventh indication information, the seventh indication information indicates a transmission configuration indication (TCI) state from a second transmission configuration indication (TCI) state set that is applied to a third bandwidth part (BWP) of the target cell, and wherein the second transmission configuration indication (TCI) state set is the transmission configuration indication (TCI) state subset of the target cell; and

processor circuitry configured to perform a process to switch to the target cell according to the sixth indication information.

12 . A data transmission apparatus, configured in a network device, the data transmission apparatus comprising:

a transmitter configured to transmit first indication information to a terminal equipment, the first indication information indicating a transmission configuration indication (TCI) state set for each candidate cell and including information of a unified TCI state type (unified TCI-State Type) for each candidate cell, and

processor circuitry configured to control to cause the terminal equipment to perform a process to switch to a target cell by transmitting second indication information, the second indication information indicating that the terminal equipment is switched to the target cell which is one of at least one candidate cell configured for the terminal equipment, wherein

the transmitter is configured to transmit third indication information, the third indication information indicating a transmission configuration indication (TCI) state that is applied to a first bandwidth part (BWP) of the target cell from the transmission configuration indication (TCI) state set of the target cell.

13 . The apparatus according to claim 12 , wherein

the transmitter is configured to transmit a MAC (Media Access Control) CE (Control Element) including the second indication information and the third indication information.