1. Faculty of Electrical and Electronic Engineering, Phenikaa University, Hanoi, Vietnam
2. Center for High Technology Development, Vietnam Academy of Science and Technology (VAST), Hanoi, Vietnam
3. Advanced Wireless Communications Group, Le Quy Don Technical University, Hanoi, Vietnam
4. Faculty of Radio-Electronic Engineering, Le Quy Don Technical University, Hanoi, Vietnam
5. Division of Electronics and Electrical Engineering, Dongguk University, Seoul, South Korea