ALEXANDRIA, Va., June 19 -- United States Patent no. 12,335,899, issued on June 17, was assigned to NEC Corp. (Tokyo).

"Simultaneous localization and synchronization across multiple antennas" was invented by Mohammad Khojastepour (Lawrenceville, N.J.), Ramanujan Sheshadri (Jersey City, N.J.) and Md. Shaifur Rahman (Plainsboro, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computer-implemented method for identifying a device position is provided. The method includes synchronizing a clock between a first device and a second device to obtain a synchronized clock. The method further includes measuring a round-trip time of flight between an antenna from the first device and an antenna from the second devi...