US Patent Issued to TELEFONAKTIEBOLAGET LM ERICSSON on May 20 for "De-ICI filter estimation for phase noise mitigation" (California Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,309,005, issued on May 20, was assigned to TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) (Stockholm).

"De-ICI filter estimation for phase noise mitigation" was invented by Dennis Hui (Sunnyvale, Calif.), Mehrnaz Afshang (Fremont, Calif.), Jung-Fu Cheng (Fremont, Calif.) and Stephen Grant (Pleasanton, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to some embodiments, a method performed by a wireless device comprises receiving a wireless signal Rk over all subcarriers allocated to the wireless device. The signal Rk comprises a phase tracking reference signal (PT-RS) on a subset of subcarriers allocated to the wireless device and the subset comp...