1. Computer Engineering Department, University of Bahrain, Sakhir Campus, Sakhir, Bahrain
2. Electrical and Mathematical Science and Engineering (CEMSE) Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Computer, Saudi Arabia
3. School of Electrical and Electronic Engineering, The University of Manchester, Manchester, U.K.
4. Department of Electrical Engineering, College of Engineering and Petroleum, Kuwait University, Kuwait City, Kuwait