ALEXANDRIA, Va., July 23 -- United States Patent no. 12,369,132, issued on July 22, was assigned to QUALCOMM Inc. (San Diego).
"Reference device hardware group delay calibration" was invented by Weimin Duan (San Diego), Alexandros Manolakos (Escondido, Calif.) and Krishna Kiran Mukkavilli (San Diego).
According to the abstract* released by the U.S. Patent & Trademark Office: "In an aspect, a communications node selects a reference device for a positioning procedure based on hardware group capabilities associated with reference devices involved in the positioning procedure (e.g., RTT, differential RTT, double differential RTT, TDOA, etc.). In another aspect, a distance between reference devices is estimated based on timing measurements of ...