US Patent Issued to Rearden on July 8 for "Systems and methods for radio frequency calibration exploiting channel reciprocity in distributed input distributed output wireless communications" (California Inventors)

ALEXANDRIA, Va., July 9 -- United States Patent no. 12,355,519, issued on July 8, was assigned to Rearden LLC (Palo Alto, Calif.).

"Systems and methods for radio frequency calibration exploiting channel reciprocity in distributed input distributed output wireless communications" was invented by Antonio Forenza (San Francisco), Fadi Saibi (Sunnyvale, Calif.), Timothy A. Pitman (San Francisco) and Stephen G. Perlman (Palo Alto, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods are described for radio frequency (RF) calibration in a multiple antenna system (MAS) with multi-user (MU) transmissions ("MU-MAS") exploiting uplink/downlink channel reciprocity. The RF calibration is used to com...