US Patent Issued to InterDigital Patent Holdings on April 8 for "Methods, apparatus and systems for system access in unlicensed spectrum" (Canadian Inventors)

ALEXANDRIA, Va., April 9 -- United States Patent no. 12,273,923, issued on April 8, was assigned to InterDigital Patent Holdings Inc. (Wilmington, Del.).

"Methods, apparatus and systems for system access in unlicensed spectrum" was invented by Faris Alfarhan (Montreal), J. Patrick Tooher (Montreal), Ghyslain Pelletier (Montreal), Paul Marinier (Brossard, Canada) and Aata El Hamss (Laval, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "Method, apparatus, and systems are disclosed. In one representative embodiment, a method may be implemented by a wireless transmit/receive unit (WTRU) using a channel. The method may include receiving, by the WTRU in a downlink message, a channel transmission trigger (CTT...