ALEXANDRIA, Va., June 25 -- United States Patent no. 12,342,275, issued on June 24, was assigned to Huawei Technologies Co. Ltd. (Shenzhen, China).

"Energy saving management method and apparatus" was invented by Kai Zhang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application provides an energy saving management method and apparatus. The method includes: obtaining information about reference cells of a first cell, where the reference cells include reference cells of at least two levels, a coverage area of a first-level reference cell overlaps a coverage area of the first cell, a coverage area of a second-level reference cell overlaps the coverage area of the first-level reference cell, and...