Patent ID: 11943813
Assignee: COMCAST CABLE COMMUNICATIONS, LLC
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 24:
25. A system comprising:
a base station comprising:
one or more processors; and
memory storing instructions; and

a wireless device comprising:
one or more processors; and
memory storing instructions,

wherein the instructions stored in the memory of the base station, when executed by the one or more processors of the base station, cause the base station to:
transmit configuration information indicating:
a first time alignment timer value associated with a first cell group; and
a second time alignment timer value associated with a second cell group, and

wherein the instructions stored in the memory of the wireless device, when executed by the one or more processors of the wireless device, cause the wireless device to:
transmit, via the second cell group and during a time period in which a first time alignment timer of the first cell group is running, a preamble as part of a random access process; and
based on an expiration of the first time alignment timer and after receiving a random access response corresponding to the preamble, abort the random access process.