Patent ID: 11910460
Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 13:
14. A central unit (CU) of a base station, configured to select a special cell (SpCell) to be used by a first distributed unit (DU) of the base station for serving a user equipment (UE), the CU comprising:
a non-transitory memory storing computer-executable instructions; and
processing circuitry coupled to the non-transitory memory and configured to execute the stored instructions, wherein execution of the stored instructions causes the CU to:
send, to the first DU, a first request comprising:
an identity of a first cell served by the first DU, as a preferred SpCell for the UE; and
identities of one or more second cells served by the first DU, as candidate SpCells for the UE; and

receive, from the first DU, a first response comprising:
a first indication that the first DU cannot configure the first cell as an SpCell for the UE; and
a second indication of which of the second cells that the first DU can configure as an SpCell for the UE.