ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,477,502, issued on Nov. 18, was assigned to QUALCOMM Inc. (San Diego).
"Sounding for trigger-based ranging" was invented by Patrick Poon-Cheuk Chan (San Jose, Calif.), Xiaoxin Zhang (Sunnyvale, Calif.) and Alireza Raissinia (Monte Sereno, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure provides methods, components, devices, and systems for sounding for trigger-based ranging. Some aspects more specifically relate to a first wireless device dividing a frequency bandwidth available for ranging procedures into a plurality of subbands in accordance with orthogonal frequency-division multiple access (OFDMA) techniques. In some implementa...