Techniques for prioritization associated with a cell group change
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may connect to a set of source cell groups (CGs). The UE may receive a target cell group setup information, the target cell group setup information being associated with a set of target CGs. The UE may connect to the set of target CGs based at least in part on the target cell group setup information during a handover from the set of source CGs to the set of target CGs. The UE may disconnect from the set of source CGs after connecting to the set of target CGs. Numerous other aspects are provided.
1. A user equipment (UE) for wireless communication, comprising:
one or more memories; and
one or more processors coupled to the one or more memories, the one or more processors individually or collectively configured to:
determine that the UE is to monitor physical downlink control channel (PDCCH) candidates in overlapping PDCCH monitoring occasions on a set of source cells and a set of target cells,
wherein the set of source cells is associated with a first control resource set (CORESET) and the set of target cells is associated with a second CORESET that is different from the first CORESET, and
wherein the UE is connected to both the set of source cells and the set of target cells during a handover from the set of source cells to the set of target cells;
select, based at least in part on a prioritization rule, either the first CORESET or the second CORESET as a selected CORESET in which to monitor PDCCH candidates; and
monitor PDCCH candidates in the overlapping PDCCH monitoring occasions in the selected CORESET.
2. The UE of claim 1 , wherein the set of source cells is in a set of source secondary cell groups (SCGs) and the set of target cells is in a set of target SCGs.
3. The UE of claim 1 , wherein the first CORESET and the second CORESET have a same quasi co-location TypeD properties.
4. The UE of claim 1 , wherein the first CORESET and the second CORESET have different quasi co-location TypeD properties.
5. The UE of claim 1 , wherein the prioritization rule is based at least in part on search space types associated with the first CORESET and the second CORESET.
6. The UE of claim 1 , wherein the prioritization rule is based at least in part on at least one of:
cell identifiers associated with the set of source cells and cell identifiers associated with the set of target cells,
search space identifiers associated with the first CORESET and the second CORESET, or
cell types of the set of source cells and the set of target cells.
7. The UE of claim 1 , wherein the one or more processors are further configured to:
monitor PDCCH candidates in the overlapping PDCCH monitoring occasions in another CORESET,
wherein quasi co-location (QCL) TypeD properties of the other CORESET match QCL TypeD properties of the selected CORESET.
8. A method of wireless communication at a user equipment (UE), comprising:
determining that the UE is to monitor physical downlink control channel (PDCCH) candidates in overlapping PDCCH monitoring occasions on a set of source cells and a set of target cells,
wherein the set of source cells is associated with a first control resource set (CORESET) and the set of target cells is associated with a second CORESET that is different from the first CORESET, and
wherein the UE is connected to both the set of source cells and the set of target cells during a handover from the set of source cells to the set of target cells;
selecting, based at least in part on a prioritization rule, either the first CORESET or the second CORESET as a selected CORESET in which to monitor PDCCH candidates; and
monitoring PDCCH candidates in the overlapping PDCCH monitoring occasions in the selected CORESET.
9. The method of claim 8 , wherein the set of source cells is in a set of source secondary cell groups (SCGs) and the set of target cells is in a set of target SCGs.
10. The method of claim 8 , wherein the first CORESET and the second CORESET have a same quasi co-location TypeD properties.
11. The method of claim 8 , wherein the first CORESET and the second CORESET have different quasi co-location TypeD properties.
12. The method of claim 8 , wherein the prioritization rule is based at least in part on search space types associated with the first CORESET and the second CORESET.
13. The method of claim 8 , wherein the prioritization rule is based at least in part on at least one of:
cell identifiers associated with the set of source cells and cell identifiers associated with the set of target cells,
search space identifiers associated with the first CORESET and the second CORESET, or
cell types of the set of source cells and the set of target cells.
14. The method of claim 8 , further comprising:
monitoring PDCCH candidates in the overlapping PDCCH monitoring occasions in another CORESET,
wherein quasi co-location (QCL) TypeD properties of the other CORESET match QCL TypeD properties of the selected CORESET.
15. A non-transitory computer-readable medium storing a set of instructions for wireless communication, the set of instructions comprising:
one or more instructions that, when executed by one or more processors of a user equipment (UE), cause the UE to:
determine that the UE is to monitor physical downlink control channel (PDCCH) candidates in overlapping PDCCH monitoring occasions on a set of source cells and a set of target cells,
wherein the set of source cells is associated with a first control resource set (CORESET) and the set of target cells is associated with a second CORESET that is different from the first CORESET, and
wherein the UE is connected to both the set of source cells and the set of target cells during a handover from the set of source cells to the set of target cells;
select, based at least in part on a prioritization rule, either the first CORESET or the second CORESET as a selected CORESET in which to monitor PDCCH candidates; and
monitor PDCCH candidates in the overlapping PDCCH monitoring occasions in the selected CORESET.
16. The non-transitory computer-readable medium of claim 15 , wherein the set of source cells is in a set of source secondary cell groups (SCGs) and the set of target cells is in a set of target SCGs.
17. The non-transitory computer-readable medium of claim 15 , wherein the first CORESET and the second CORESET have different quasi co-location TypeD properties.
18. The non-transitory computer-readable medium of claim 15 , wherein the prioritization rule is based at least in part on search space types associated with the first CORESET and the second CORESET.
19. The non-transitory computer-readable medium of claim 15 , wherein the prioritization rule is based at least in part on at least one of:
cell identifiers associated with the set of source cells and cell identifiers associated with the set of target cells,
search space identifiers associated with the first CORESET and the second CORESET, or
cell types of the set of source cells and the set of target cells.
20. The non-transitory computer-readable medium of claim 15 , wherein the one or more instructions further cause the UE to:
monitor PDCCH candidates in the overlapping PDCCH monitoring occasions in another CORESET,
wherein quasi co-location (QCL) TypeD properties of the other CORESET match QCL TypeD properties of the selected CORESET.