1. Department of Communication Engineering, Institute of Information Science Technology, Dalian Maritime University, Dalian, China
2. Key Laboratory for Ubiquitous Network and Service Software of Liaoning Province, DUT School of Software Technology, and the DUT-RU International School of Information Science and Engineering, Dalian University of Technology, Dalian, China
3. College of Information and Communication Engineering, Harbin Engineering University, Harbin, China
4. Fuzzy Logic Systems Institute, Iizuka, Japan