ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,445,835, issued on Oct. 14, was assigned to QUALCOMM Inc. (San Diego).
"Secret key extraction for line-of-sight communications" was invented by Ahmed Elshafie (San Diego), Abdelrahman Mohamed Ahmed Mohamed Ibrahim (San Diego) and Muhammad Sayed Khairy Abdelghaffar (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, systems, and devices for wireless communications are described. Communication devices may perform secret key generation using a set of line-of-sight (LOS) communication modes to secure a physical channel. For example, a first device and a second device may communicate a set of reference signals over the physical channel ...