ALEXANDRIA, Va., June 12 -- United States Patent no. 12,301,334, issued on May 13, was assigned to Beihang University (Beijing).
"Multi-beamforming optimization method for space-based ADS-B based on coverage matrix" was invented by Xuejun Zhang (Beijing), Xueyuan Li (Beijing) and Yuanhao Tan (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a multi-beamforming optimization method for space-based ADS-B based on a coverage matrix. The method includes: calculating signal-to-noise ratios of received signals based on an ADS-B signal model and an air-space channel model; deriving the correct reception probability of ADS-B signals by a satellite with different signal-to-noise r...