Patent ID: 11963151
Assignee: NOKIA TECHNOLOGIES OY
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A method, comprising:
detecting a beam failure on a serving cell of a terminal device, the serving cell comprising at least one of a primary cell or a secondary cell serving the terminal device;
in response to detecting the beam failure on the serving cell, generating a medium access control control element, the medium access control control element comprising a field associated with the serving cell,
wherein the field is set to be a predefined value indicating the beam failure; and
transmitting the medium access control control element to a network device associated with the serving cell,
wherein the serving cell comprises the secondary cell and the field associated with the serving cell is included in a bitmap, the bitmap including a plurality of fields, each of the plurality of fields associated with a secondary cell or a group of secondary cells.