ALEXANDRIA, Va., July 16 -- United States Patent no. 12,362,840, issued on July 15, was assigned to Telefonaktiebolaget LM Ericsson (publ) (Stockholm).
"Methods and apparatus for antenna calibration" was invented by Huaisong Zhu (Beijing) and Ming Li (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the present disclosure relate to a method and an apparatus for antenna calibration. A method performed by an apparatus for antenna calibration may comprise: inserting a calibration signal to a physical resource block allocated for a traffic signal; and distinguishing the calibration signal from the traffic signal at a calibration receiver for antenna calibration. According to embodiments of t...