Janghyuk Youn, Eunbyeong Park, Donghwan Choi, Seok Bo Son, Young-Seok Lee, Jae Hee Noh, Jeong Seon Yeom, Bang Chul Jung, and Sang Jeong Lee, "Apparatus and Method for Anti-Spoofing Beamforming using Multi-PRN based Array Antennas," Patent Number : 102531553, Date of Patent : May 08. 2023.