Engineering Optimization and Smart Antenna Institute, School of Computer and Communication Engineering, Northeastern University at Qinhuangdao, Hebei, Qinhuangdao 066004, China
Lotfollah Najjar
Information System Quantitative Analysis, College of Information Science & Technology (IS&T), University of Nebraska at Omaha, Omaha, NE 68182, USA
Neal N. Xiong
School of Computer Science, Colorado Technical University, 4435 North Chestnut Street, Colorado Springs, CO 80907, USA
Rung Ching Chen
College of Informatics Chaoyang University of Technology, 168 Jifong East Road, Wufong District, Taichung City 41349, Taiwan
