HAWEJ M. M.Hawej Channel Estimation for Reconfigurable Intelligent Surfaces (RIS) Assisted based on Orthogonal Matching Pursuit (OMP) algorithm. EJEEE [Internet]. 2023 Dec. 9 [cited 2024 May 9];2(3):1-12. Available from: https://ejeee.elmergib.edu.ly/index.php/ejeee/article/view/34