US Patent Issued to Cisco Technology on Feb. 18 for "RSSI location tracking via radio scanning for triggered OFDMA uplink" (North Carolina, California, Florida, Ohio Inventors)

ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,231,987, issued on Feb. 18, was assigned to Cisco Technology Inc. (San Jose, Calif.).

"RSSI location tracking via radio scanning for triggered OFDMA uplink" was invented by Matthew Aaron Silverman (Shaker Heights, Ohio), John Matthew Swartz (Lithia, Fla.), Ardalan Alizadeh (Milpitas, Calif.) and Jerome Henry (Pittsboro, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This technology allows for determining the location of client devices via radio scanning for triggered orthogonal frequency-division multiple access ("OFDMA") uplinks. Access points ("APs") are configured for OFDMA transmissions. A first AP transmits a trigger frame on particular channe...