US Patent Issued to QUALCOMM on Jan. 28 for "Modified demodulation reference signal patterns for orthogonal frequency-division multiplexing" (California, Pennsylvania Inventors)

ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,212,445, issued on Jan. 28, was assigned to QUALCOMM Inc. (San Diego).

"Modified demodulation reference signal patterns for orthogonal frequency-division multiplexing" was invented by Raviteja Patchava (San Diego), Xiaoxia Zhang (San Diego), Zhifei Fan (San Diego), Jing Sun (San Diego), Tao Luo (San Diego), Junyi Li (Fairless Hills, Pa.) and Morteza Soltani (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive first control signaling identifying a demodulation reference signal (DMRS) pattern that may be uniformly distributed in a time domain an...