ALEXANDRIA, Va., June 2 -- United States Patent no. 12,647,169, issued on June 2, was assigned to QUALCOMM Inc. (San Diego).
"Antenna switching in frequency bands with power spectral density (PSD) limits" was invented by Kanke Wu (San Diego), Bin Tian (San Diego), Tevfik Yucek (San Jose, Calif.) and Lin Yang (San Diego).
According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure provides methods, devices and systems for improving wireless communications in power spectral density (PSD)-limited frequency bands. A wireless communication device, having a number (NTX) of transmit antennas, parses a physical layer (PHY) protocol data unit (PPDU) into a number (NSS) of spatial streams and modulates the NSS spatia...