ALEXANDRIA, Va., July 3 -- United States Patent no. 12,346,640, issued on July 1, was assigned to ZHEJIANG UNIVERSITY (Hangzhou, China).

"Environmental sensing method based on model evolution" was invented by Zhaoyang Zhang (Hangzhou, China), Yihan Zhang (Hangzhou, China) and Xin Tong (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an environmental sensing method based on model evolution, and the method performs a channel estimation task under the current communication system to obtain channel response data, thereby realizing environmental sensing. Firstly, an interaction mechanism between electromagnetic waves and environmental objective is divided into reflection and transmissio...