ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,551, issued on Oct. 21, was assigned to SHENZHEN UNIVERSITY (Shenzhen, China).

"Signal angle and signal frequency estimation method, apparatus and device and storage medium" was invented by Qiang Li (Shenzhen, China), Lei Huang (Shenzhen, China), Bo Zhao (Shenzhen, China), Min Huang (Shenzhen, China), Weize Sun (Shenzhen, China), Peichang Zhang (Shenzhen, China), Shiqi Liu (Shenzhen, China) and Yuan Zhao (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A signal angle and signal frequency estimation method, apparatus, device and storage medium are provided. The signal angle and signal frequency estimation method comprises the steps: co...