US Patent Issued to QUALCOMM on Sept. 1 for "Passive multiple input multiple output control interface" (California Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,726,923, issued on Sept. 1, was assigned to QUALCOMM Inc. (San Diego).

"Passive multiple input multiple output control interface" was invented by Hung Dinh Ly (San Diego), Yu Zhang (San Diego), Saeid Sahraei (San Diego) and Krishna Kiran Mukkavilli (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and apparatus for a reflective intelligent surface (RIS) control interface. The apparatus transmits, to a RIS, a synchronization signal to establish a level of synchronization between the base station and the RIS. The level of synchronization between the base station and the RIS configures the RIS to receive a control signal from the base stat...