US Patent Issued to QUALCOMM on Jan. 28 for "Low power passive MIMO surface using aperture type radiators" (California Inventors)

ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,212,380, issued on Jan. 28, was assigned to QUALCOMM Inc. (San Diego).

"Low power passive MIMO surface using aperture type radiators" was invented by Lida Akhoondzadehasl (Sunnyvale, Calif.), Mohsen Farmahini Farahani (Encinitas, Calif.) and Allen Minh-Triet Tran (Rancho Santa Fe, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Designs and control techniques for passive Multiple-Input Multiple-Output (pMIMO) surfaces are provided. An example array of reconfigurable reflective elements includes a plurality of unit cells each comprising a cross-slot radiating element, a first varactor diode disposed across a first end of the cross-slot radiating ele...