ALEXANDRIA, Va., June 16 -- United States Patent no. 12,309,670, issued on May 20, was assigned to National University of Defense Technology (Changsha, China).

"Beidou short message communication method and system for low-power user terminal" was invented by Xinming Huang (Changsha, China), Jingyuan Li (Changsha, China), Feixue Wang (Changsha, China), Gang Ou (Changsha, China), Guangfu Sun (Changsha, China), Pengcheng Zhang (Changsha, China), Zengjun Liu (Changsha, China), Ke Zhang (Changsha, China), Lei Chen (Changsha, China) and Rong Zhou (Changsha, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A Beidou short message communication method and a system for a low-power user terminal are provided. The m...