ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,726,243, issued on Sept. 1, was assigned to InterDigital Patent Holdings Inc. (Wilmington, Del.).

"Enhanced channel sounding protocols for WLAN systems" was invented by Zinan Lin (Basking Ridge, N.J.), Mahmoud Saad (Montreal), Hanqing Lou (Syosset, N.Y.), Rui Yang (Greenlawn, N.Y.) and Xiaofei Wang (North Caldwell, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and apparatuses for Multi-AP channel sounding for Wireless Area Networks (WLAN) are disclosed. A method performed by a beamformee may compromise: receiving, from a beamformer, a null data packed (NDP) announcement frame (NDPA); receiving, from the beamformer, an NDP frame; receiving,...