ALEXANDRIA, Va., March 17 -- United States Patent no. 12,581,536, issued on March 17, was assigned to Telefonaktiebolaget LM Ericsson (PUBL) (Stockholm).

"COT/FFP scheduling in unlicensed spectrum" was invented by Bikramjit Singh (Raasepori, Finland), Alexey Shapin (Lulea, Sweden), Reem Karaki (Aachen, Germany), Sorour Falahati (Stockholm) and Mai-Anh Phan (Herzogenrath, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to some embodiments, a method is performed by a wireless device for operation with shared spectrum channel access, wherein a first plurality of fixed frame periods (FFPs) are associated with the wireless device and a second plurality of fixed frame periods (FFPs) are associated...