ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,386,055, issued on Aug. 12, was assigned to QUALCOMM Inc. (San Diego).

"Enhanced time difference of arrival based positioning for user equipment" was invented by Weimin Duan (San Diego), Alexandros Manolakos (Escondido, Calif.) and Seyong Park (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "Downlink and uplink Time Difference of Arrival (TDOA) is performed using Reference Signal Time Difference (RSTD) measurements. The transmissions and measurements of positioning reference signals (PRS) are configured to mitigate or eliminate network synchronization errors which conventionally limit positioning accuracy of TDOA. The synchronization errors are...