1. Department of Physics, Posts and Telecommunications, Institute of Technology, Ho Chi Minh City Campus, 11 Nguyen Dinh Chieu Street, Dakao Ward, Districts 1, 0084 Ho Chi Minh City, Viet Nam
2. Signal Processing Group, PRISME Laboratory, EA4229, F45072, Orleans, France
3. Department of Wireless Communications, Posts and Telecommunications Institute of Technology, Ho Chi Minh City Campus, 11 Nguyen Dinh Chieu Street, Dakao Ward, Districts 1, 0084 Ho Chi Minh City, Viet Nam