ALEXANDRIA, Va., March 17 -- United States Patent no. 12,581,469, issued on March 17, was assigned to QUALCOMM Inc. (San Diego).

"Physical layer (PHY) packet design for power spectral density (PSD) limits" was invented by Lin Yang (San Diego), Jialing Li Chen (San Diego), Sameer Vermani (San Diego), Bin Tian (San Diego), Youhan Kim (Saratoga, Calif.), Vincent Knowles Jones IV (Redwood City, Calif.) and Tevfik Yucek (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for physical layer (PHY) packet design for power spectral density (PSD) limits. In some implementations, a wirele...