ALEXANDRIA, Va., May 12 -- United States Patent no. 12,627,430, issued on May 12, was assigned to ZTE Corp. (Shenzhen, China).

"Reference signal transmission method and device, communication node, and storage medium" was invented by Tong Bao (Shenzhen, China) and Yu Xin (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a reference signal transmission method and apparatus, a communication node, and a storage medium. The method includes transmitting a first reference signal through the first H symbols of a physical resource block in the time domain, where H is greater than or equal to 2; and transmitting a second reference signal through the last T symbols of the physical resource bl...