US Patent No. 11,115,966

BEAM FAILURE RECOVERY PROCEDURES USING BANDWIDTH PARTS


Patent No. 11,115,966
Issue Date September 07, 2021
Title Beam Failure Recovery Procedures Using Bandwidth Parts
Inventorship Ali Cirik, Herndon, VA (US)
Esmael Hejazi Dinan, McLean, VA (US)
Hua Zhou, Herndon, VA (US)
Hyoungsuk Jeon, Centreville, VA (US)
Alireza Babaei, Fairfax, VA (US)
Assignee Comcast Cable Communications, LLC, Philadelphia, PA (US)

Claim of US Patent No. 11,115,966


1. A method comprising:receiving, by a wireless device, one or more configuration parameters for a secondary cell, wherein the one or more configuration parameters indicate a plurality of bandwidth parts (BWPs) comprising a first BWP and a second BWP;
switching an active BWP of the secondary cell to the first BWP;
transmitting a preamble associated with a random access procedure for the secondary cell;
determining based on a quantity of uplink transmissions, that the random access procedure is unsuccessful; and
based on the determining that the random access procedure is unsuccessful, switching the active BWP of the secondary cell to the second BWP.