Cheng, Qingfeng Cheng, Yongquan , YGSOFT INC. Co., Ltd, Zhuhai, China Cheung, K. S., Hong Kong Baptist University Cheung, King Sing, Hong Kong Baptist University Cheung, King Sing, The Open University of Hong Kong Chi, Ronghu, Yantai Nanshan University and Qingdao University of Science & Technology Chiang, Mao Lun, Department of Information and Communication Engineering, Chaoyang University of Technology Chinnadurai, Thilagavathi, Department of Infomation Technology, M. Kumarasamy College of Engineering, Karur, 639113, India. Chiu, Shih-Ting Choi, Myung-Jin, Satellite Information Research Institute, Korea Aerospace Research Institute Choi, Namjoo, State University of New York at Albany Choi, Wan Sik, Electronics and Telecommunications Research Institute Christensen, Kim, Aalborg University Christov, Nicolai, CRIStAL Laboratory, Lille University, Villeneuve d’ASCQ, 59650, France Christov, Nicolai (France) Chu, C. -P., National Chin-Yi University of Technology Chu, Yonghe Chu, Yonghe, College of Information Science and Engineering; Henan University of Technology Chuang, Chen-Tsun Chuang, Hung-Wen , Department of Computer Science & Information Engineering, National Dong Hwa University; 1, Sec. 2, Da Hsueh Rd. Shoufeng, Hualien 974301, Taiwan Chuang, Y. -H., Department of Information Management, Chang Gung University Chuangui, Ma