ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,413,463, issued on Sept. 9, was assigned to Huawei Technologies Co. Ltd. (Shenzhen, China).

"Signal transmission method and apparatus, reflector, and receiver" was invented by Mao Yan (Chengdu, China), Huang Huang (Chengdu, China), Hua Shao (Shenzhen, China) and Kuandong Gao (Chengdu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application provides a signal transmission method and apparatus, a reflector, and a receiver. In one example method, a reflector receives W excitation signals, where W exciters may be configured to carry data and a reference signal that are reflected by the reflector; and the reflector reflects data and L reference...