ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,464,487, issued on Nov. 4, was assigned to QUALCOMM Inc. (San Diego).
"Backscatter-based positioning" was invented by Xiaojie Wang (Hillsborough, N.J.), Jing Sun (San Diego), Mohammad Tarek Fahim (San Diego) and Srinivas Yerramalli (San Diego).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, methods, and devices for wireless communication that support backscatter-based positioning. A method of wireless communication includes receiving a tag device indicator that indicates a tag capability of a tag device. The method also includes generating a tag configuration associated with transmission of a backscatter signal based on a positioning reference sig...