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

Claim 21:
22. A terminal device comprising:
at least one processor; and
at least one non-transitory memory storing instructions, that when executed by the at least one processor, cause the terminal device at least to:
detect 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; and
in response to detecting the beam failure on the serving cell, generate 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, and
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.