ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,513,651, issued on Dec. 30, was assigned to Shanghai Maritime University (Shanghai).

"Node positioning method for marine environmental monitoring wireless sensor networks" was invented by Jiangfeng Xian (Shanghai), Junling Ma (Shanghai), Huafeng Wu (Shanghai), Yongsheng Yang (Shanghai), Xiaojun Mei (Shanghai), Xinqiang Chen (Shanghai), Chaofeng Li (Shanghai), Qiannan Zhang (Shanghai) and Linian Liang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A node positioning method for marine environmental monitoring wireless sensor networks is provided, which jointly estimates node positions and path loss factors by considering the node real-time movem...