US Patent Issued to InterDigital Patent Holdings on Dec. 16 for "L2 procedures for unicast and/or multicast link establishment and maintenance" (Canadian, American Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,501,433, issued on Dec. 16, was assigned to InterDigital Patent Holdings Inc. (Wilmington, Del.).

"L2 procedures for unicast and/or multicast link establishment and maintenance" was invented by Martino M. Freda (Laval, Canada), Tao Deng (Roslyn, N.Y.), Tuong Duc Hoang (Montreal), Aata El Hamss (Laval, Canada) and Michelle Perras (Montreal).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, methods, and devices for unicast and/or multicast link establishment and maintenance. A wireless transmit receive unit (WTRU) may send a link establishment request broadcast message, wherein in the link may be for multicast, unicast, or groupcast. The WTRU may rec...