ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,536,540, issued on Jan. 27, was assigned to NXP B.V. (Eindhoven, Netherlands).

"Methods and system for wireless transactions" was invented by Gregor Klezin (Lasko, Slovenia) and Sunil Dilipkumar Jogi (Bangalore, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of methods and a system for wireless transactions are disclosed. In an embodiment, the method includes performing multicast Ultra-Wideband (UWB) ranging, where the multicast UWB ranging includes calculating a distance between a first device and a second device, and calculating an angle of arrival (AoA) of the second device, determining, using the distance and the AoA, whether the s...