US Patent Issued to Cisco Technology on Oct. 7 for "Signal to interference and noise ratio estimation" (California, Ohio Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,438,630, issued on Oct. 7, was assigned to Cisco Technology Inc..

"Signal to interference and noise ratio estimation" was invented by Audrey Yazdanparast (Richfield, Ohio) and Brian D. Hart (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Signal to Interference and Noise Ratio (SINR) estimation, and more specifically providing SINR estimation during Legacy Long Training Field (LLTF) accounting for Inter Symbol Interference (ISI) may be provided. SINR estimation may include receiving a Physical Layer Protocol Data Unit (PPDU) including a LLTF and extracting groups of transmission symbols from the LLTF. Next, groups of fragmented symbols m...