US Patent No. 10,972,987


Patent No. 10,972,987
Issue Date April 06, 2021
Title System And Methods For Fast Power Headroom Reporting
Inventorship Sony Akkarakaran, Poway, CA (US)
Tao Luo, San Diego, CA (US)
Juan Montojo, San Diego, CA (US)
Xiao Feng Wang, San Diego, CA (US)
Shengbo Chen, San Diego, CA (US)
Sumeeth Nagaraja, San Diego, CA (US)
Makesh Pravin John Wilson, San Diego, CA (US)
Assignee Qualcomm Incorporated, San Diego, CA (US)

Claim of US Patent No. 10,972,987

1. A method of wireless communications, comprising:determining, at a user equipment (UE), to change one or more beamforming parameters for transmissions on a new beam;
determining a power headroom applicable to a transmission from the UE on the new beam; and
transmitting, in response to the change, a power headroom report based on the power headroom, the power headroom report being transmitted on resources assigned for the power headroom report, wherein the transmitting comprises transmitting the power headroom report as a physical layer signal, wherein the power headroom report is multiplexed with a scheduling request as a selected sequence from a plurality of sequences for the scheduling request, multiplexed with a sounding reference signal as a selected sequence from a plurality of sequences for the sounding reference signal, or transmitted with uplink control information (UCI) using a grant for the UCI on a physical uplink control channel (PUCCH).