ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,495,340, issued on Dec. 9, was assigned to DATANG MOBILE COMMUNICATIONS EQUIPMENT Co. LTD. (Beijing).

"Handover method and device" was invented by Jiancheng Sun (Beijing), Ye Zhou (Beijing), Dajun Zhang (Beijing) and Aijuan Liu (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a handover method and device. In embodiments of the present application, first, a DU determines that an inter-CU handover is required and then sends an F1 interface establishment request to a target CU, the F1 interface establishment request indicating that the reason for the establishment is the inter-CU handover for the DU; upon receiving the F1 interface esta...