ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,777,415, issued on Oct. 27, was assigned to Chongqing University of Posts & Telecommunications (Chongqing, China).

"Packet switching method in energy saving mode" was invented by Yaping Cui (Chongqing, China), Dapeng Wu (Chongqing, China), Peng He (Chongqing, China), Ruyan Wang (Chongqing, China), Hong Zhang (Chongqing, China) and Kang Wang (Chongqing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a group switching method under energy saving modes and belongs to the technical field of communications. By dynamically managing the access and switchover of users through the grouping method, the existing users are prov...