US 11,689,410 B2
DPD training and calibration
Rahul Malik, San Diego, CA (US); Timo Ville Vintola, San Diego, CA (US); Alexei Yurievitch Gorokhov, San Diego, CA (US); Raghu Narayan Challa, San Diego, CA (US); Shrenik Patel, San Diego, CA (US); and Tao Luo, San Diego, CA (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on Nov. 22, 2021, as Appl. No. 17/456,148.
Prior Publication US 2023/0164018 A1, May 25, 2023
Int. Cl. H03F 1/32 (2006.01); H04L 27/36 (2006.01); H04W 72/21 (2023.01); H04W 72/23 (2023.01)
CPC H04L 27/367 (2013.01) [H04W 72/21 (2023.01); H04W 72/23 (2023.01); H03F 1/3247 (2013.01)] 30 Claims
OG exemplary drawing
 
1. An apparatus for wireless communication at a user equipment (UE), comprising:
a memory; and
at least one processor coupled to the memory and configured to:
receive, from a base station, an uplink grant associated with one or more resources;
transmit, to the UE via the one or more resources, a digital pre-distortion (DPD) training signal at a first port of a plurality of ports; and
receive, at a second port of the plurality of ports, the DPD training signal.