ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,432,029, issued on Sept. 30, was assigned to Huawei Technologies Co. Ltd. (Shenzhen, China).

"Reference signal transmission method and apparatus" was invented by Lei Gao (Beijing), Xingqing Cheng (Beijing) and Jian Wang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Example reference signal transmission methods and apparatus are described. One example method includes that a first node maps a reference signal to a first transmission resource and sends the reference signal. The first transmission resource is included in a second transmission resource used by the first node to send data, and the second transmission resource includes a first symbo...