1. Communication and Signal Processing Research Group, Faculty of Electrical and Electronics Engineering, Ton Duc Thang University, Ho Chi Minh City, Vietnam
2. Posts and Telecommunications Institute of Technology, Ho Chi Minh City, Vietnam
3. Wireless Communications Research Group, Faculty of Electrical and Electronics Engineering, Ton Duc Thang University, Ho Chi Minh City, Vietnam
4. VSB - Technical, University of Ostrava, Ostrava, Czech Republic
5. School of Physics and Electronic Information Engineering, Henan Polytechnic University, Jiaozuo, Henan, China
6. Department of Electrical and Computer Engineering, Princeton University, NJ, USA