Patent ID: 11950287
Assignee: COMCAST CABLE COMMUNICATIONS, LLC
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 10:
11. A wireless device comprising:
one or more processors; and
memory storing instructions that, when executed by the one or more processors, cause the wireless device to:
receive one or more radio resource control messages comprising:
one or more configuration parameters of a plurality of reference signals; and
one or more configuration parameters of a plurality of preambles;

receive at least one medium access control (MAC) control element comprising an indication to activate one or more reference signals of the plurality of reference signals;
detect a beam failure of a beam associated with the one or more reference signals;
after detection of the beam failure, select a preamble, of the plurality of preambles, that is associated with a candidate beam; and
transmit, via a random access channel (RACH) resource, the selected preamble.