US 11,916,702 B2
Tone reservation for digital post distortion
Amit Bar-Or Tillinger, Tel-Aviv (IL); Gideon Shlomo Kutz, Ramat Hasharon (IL); and Shay Landis, Hod Hasharon (IL)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on Dec. 20, 2021, as Appl. No. 17/645,278.
Prior Publication US 2023/0198809 A1, Jun. 22, 2023
Int. Cl. H04L 25/02 (2006.01); H04L 5/00 (2006.01)
CPC H04L 25/0204 (2013.01) [H04L 5/0007 (2013.01); H04L 25/022 (2013.01); H04L 25/0228 (2013.01)] 30 Claims
OG exemplary drawing
 
1. An apparatus for wireless communication at a user equipment (UE), comprising:
a memory;
a transceiver; and
one or more processors, coupled to the memory and the transceiver, configured to:
receive, from a base station having one or more antenna ports via the transceiver, a communication that includes one or more data streams and a tone reservation signal, wherein a number of the one or more antenna ports is different than a number of the one or more data streams, and wherein the communication indicates that the tone reservation signal is inserted prior to or after a precoding of the one or more data streams; and
perform channel estimation based at least in part on the communication.