ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,564, issued on June 30, was assigned to Shenzhen University (Shenzhen, China).

"Direction of arrival estimation method and system for sparse array based on vandermonde decomposition reconstruction" was invented by Qiang Li (Shenzhen, China), Zhenhui Wang (Shenzhen, China), Lei Huang (Shenzhen, China), Xiaopeng Li (Shenzhen, China), Lifang Feng (Shenzhen, China), Xinzhu Chen (Shenzhen, China), Yuhang Xiao (Shenzhen, China) and Sijia Lai (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a direction of arrival (DOA) estimation method and system for a sparse array based on Vandermonde decomposition reconstruction, relating to ...