Patent ID: 11943154
Assignee: COMCAST CABLE COMMUNICATIONS, LLC
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 33:
34. A system comprising:
a wireless device configured to communicate with a primary cell and a secondary cell, the wireless device comprising:
one or more processors; and
memory storing instructions that, when executed by the one or more processors of the wireless device, cause the wireless device to:
triggering a scheduling request (SR) process, wherein the secondary cell is configured with SR resources and is in a secondary cell group; and
initiating a random access procedure, associated with the SR process, based on:
the wireless device not having an uplink channel resource available in a time interval; and
the wireless device not having a valid timing advance for the secondary cell in the time interval; and

a base station comprising:
one or more processors; and
memory storing instructions that, when executed by the one or more processors of the base station, cause the base station to:
receive a random access preamble associated with the random access procedure.