Ong Ai Ling, Sylvia, Hushairi Zen, Al-Khalid Othman, and Khairuddin Ab Hamid. 2017. “Multiple Symbol Double Differential Transmission for Amplify-and-Forward Cooperative Diversity Networks in Time-Varying Channel”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC) 9 (4):27-35. https://jtec.utem.edu.my/jtec/article/view/1622.