ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,769, issued on Jan. 20, was assigned to Huawei Technologies Co. Ltd. (Shenzhen, China).
"Communication method, apparatus, and system" was invented by Zhe Luo (Shanghai), Yu Gao (Shenzhen, China) and Guohua Zhou (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of this application provide a communication method. The method includes: generating a first reference signal, where the first reference signal is two-dimensional orthogonal to a second reference signal, the second reference signal is a reference signal obtained after delay Tau transform and Doppler frequency shift Nu transform are performed on the first reference signal in a...