ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,554,001, issued on Feb. 17, was assigned to Zainar Inc. (Redwood City, Calif.).
"Hybrid method for time-of-arrival-based ranging" was invented by Babak Azimi-Sadjadi (Redwood City, Calif.), David Burgess (Redwood City, Calif.), Philip A. Kratz (Redwood City, Calif.), Jonathan S. Lu (Redwood City, Calif.), Raquel Guerreiro Machado (Redwood City, Calif.), Srdjan Miocinovic (Redwood City, Calif.), Jedidiah J. Whelan (Redwood City, Calif.) and Siamak Yousefi (Redwood City, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes: receiving a ranging signal from the transmitter including a set of multiplexed sub-signals, each multiplexed sub-s...