ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,720, issued on May 27, was assigned to Stichting IMEC Nederland (Eindhoven, Netherlands).
"Multi-carrier phase difference distance estimation" was invented by Alireza Sheikh (Eindhoven, Netherlands) and Jac Romme (Schiedam, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "Examples relate to a method for performing multi-carrier phase-based ranging between two radios including: i) calculating squared channel responses based on channel measurements between the two radios for a plurality of available carriers within a measurement band for the phase-based ranging, where the measurement band has at least one band gap each with one or more unusa...