1. Advanced Wireless and Communication Research Center, The University of Electro-Communications, Tokyo, Japan
2. Department of Electrical and Mechanical Engineering, Nagoya Institute of Technology, Nagoya, Japan
3. Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, University of Split, Split, Croatia
4. College of Electronic Engineering, South China Agricultural University, Guangzhou, China
5. National Institute of Information and Communications Technology, Tokyo, Japan
6. Department of Electronic Systems, Aalborg University, Aalborg, Denmark
7. China Academy of Information and Communications Technology, Beijing, China
8. IMST GmbH, Kamp-Lintfort, Germany