ALEXANDRIA, Va., June 16 -- United States Patent no. 12,309,580, issued on May 20, was assigned to Apple Inc. (Cupertino, Calif.).
"Multicast broadcast service keys" was invented by Shu Guo (Beijing), Dawei Zhang (Saratoga, Calif.), Fangli Xu (Beijing), Haijing Hu (Los Gatos, Calif.), Huarui Liang (Beijing), Lanpeng Chen (Beijing), Xiaoyu Qiao (Beijing) and Yuqin Chen (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "A user equipment (UE) is configured to join a multicast broadcast service (MBS) session. The UE sends, to a network function, a protocol data unit (PDU) modification request comprising a request to join a multicast broadcast service (MBS) session, generates a first key (KMBS-UE), receives ...