ALEXANDRIA, Va., April 7 -- United States Patent no. 12,598,021, issued on April 7, was assigned to LG Electronics Inc. (Seoul, South Korea).

"Method and device for performing sounding procedure in wireless LAN system" was invented by Jinyoung Chun (Seoul, South Korea), Jinsoo Choi (Seoul, South Korea), Dongguk Lim (Seoul, South Korea) and Eunsung Park (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and a device for a sounding procedure comprising transmission or reception of a null data physical layer protocol data unit (PPDU) (NDP) announcement frame, which is related to support of an aggregated-PPDU (A-PPDU) in a wireless LAN system are disclosed. A method for performing a soun...