ALEXANDRIA, Va., June 16 -- United States Patent no. 12,659,801, issued on June 16, was assigned to Apple Inc. (Cupertino, Calif.).

"Configuring a preamble for trigger-based protocol data unit" was invented by Tianyu Wu (Fremont, Calif.), Jinjing Jiang (San Jose, Calif.), Jarkko Lauri Sakari Kneckt (Los Gatos, Calif.), Yong Liu (Campbell, Calif.), Lochan Verma (Danville, Calif.), Qi Wang (Sunnyvale, Calif.) and Su Khiong Yong (Palo Alto, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for trigger-based transmission in a wireless network include receiving, at a first wireless device, a trigger signal including an indication of a first value for a parameter of a trigger-based physical layer pr...