ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,495,400, issued on Dec. 9, was assigned to NXP USA Inc. (Austin, Texas).
"Null data packet announcement for sensing" was invented by Liwen Chu (San Ramon, Calif.), Dong Wei (Austin, Texas), Hongyuan Zhang (Fremont, Calif.) and Christian Raimund Berger (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Various embodiments relate to a first wireless device configured to establish sensing with a second wireless device, including: a transmitter configured to: transmit a null data packet announcement (NDPA) frame to the second wireless device configured to include an indication that the NDPA frame is a sensing NDPA frame; transmit a null data pa...