US 11,950,287 B2
Resource configuration of beam failure recovery request transmission
Hua Zhou, Herndon, VA (US); Esmael Hejazi Dinan, Herndon, VA (US); Kyungmin Park, Arlington, VA (US); Hyoungsuk Jeon, Oakton, VA (US); and Alireza Babaei, Fairfax, VA (US)
Assigned to Comcast Cable Communications, LLC, Philadelphia, PA (US)
Filed by Comcast Cable Communications, LLC, Philadelphia, PA (US)
Filed on Aug. 10, 2018, as Appl. No. 16/101,239.
Claims priority of provisional application 62/543,820, filed on Aug. 10, 2017.
Prior Publication US 2019/0053288 A1, Feb. 14, 2019
Int. Cl. H04W 74/08 (2009.01); H04B 7/06 (2006.01); H04B 17/17 (2015.01); H04B 17/309 (2015.01); H04L 5/00 (2006.01); H04L 27/26 (2006.01); H04W 74/00 (2009.01); H04W 74/0833 (2024.01); H04W 76/27 (2018.01)
CPC H04W 74/0833 (2013.01) [H04B 7/0626 (2013.01); H04B 7/0695 (2013.01); H04B 17/309 (2015.01); H04L 5/0091 (2013.01); H04L 27/2692 (2013.01); H04W 74/006 (2013.01); H04W 76/27 (2018.02); H04B 17/17 (2015.01)] 38 Claims
OG exemplary drawing
 
1. A method comprising:
receiving, by a wireless device, 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;
receiving 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;
detecting a beam failure of a beam associated with the one or more reference signals;
after the detecting the beam failure, selecting a preamble, of the plurality of preambles, that is associated with a candidate beam; and
transmitting, via a random access channel (RACH) resource, the selected preamble.