About the Editors: Ibrahim M. M. El Emary received his doctor of engineering degree in 1998 from the Electronic and Communication Department, Faculty of Engineering, Ain Shams University, Egypt. From 1998 to 2002, he was an assistant professor of computer sciences in different faculties and academic institutions in Egypt. From 2002 to 2010, he worked as visiting assistant and associate professor of computer science and engineering in two universities in Jordan. Currently, he is a professor of computer science and engineering at King Abdulaziz University, Jeddah, Kingdom of Saudi Arabia. His research interests cover various analytic and discrete event simulation techniques, performance evaluation of communication networks, application of intelligent techniques in managing computer communication networks, and performing comparative studies between various policies and strategies of routing congestion control subnetting of computer communication networks. He has published more than 150 articles in various refereed international journals and conferences covering computer networks, artificial intelligent expert systems, software agents, information retrieval, E-learning, case-based reasoning, image processing, and pattern recognition wireless sensor networks, cloud computing, and robotic engineering. Also, he has participated in publishing seven book chapters in three international books (published by Springer Verlag, IGI Publisher, and NOVA Science Publisher) as well as Editor of two books from international publishers (LAP Lampert-Germany). He has been included in Marquis Who's Who in the world 2013 edition. Dr. S. Ramakrishnan received his bachelor of engineering degree in Electronics and Communication Engineering in 1998 from the Bharathidasan University Trichy, and his mechanical engineering degree in Communication Systems in 2000 from the Madurai Kamaraj University Madurai. He received his Ph.D. degree in Information and Communication Engineering from Anna University Chennai in 2007. He has 12 years of teaching experience and 1 year of industry experience. He is a professor and the head of the Department of Information Technology, Dr. Mahalingam College of Engineering and Technology, Pollachi, India. Dr. Ramakrishnan is a reviewer of 14 international journals such as IEEE Transactions on Image Processing, IET Journals (formerly IEE), ACM Computing Reviews Elsevier Science, International Journal of Vibration and Control, IET Generation Transmission and Distribution, etc. He is in the editorial board of six international journals. He is a guest editor of special issues in three international journals including Telecommunication Systems Journal of Springer. He has published 77 papers in international/national journals and conference proceedings. Dr. S. Ramakrishnan has published three books on computational techniques and speech processing. He has also reviewed three books for McGraw Hill International Edition and two books for ACM Computing Reviews. He is a convenor of the IT board in Anna University of Technology-Coimbatore Board of Studies (BoS). He is guiding 10 PhD research scholars. His biography has been included in Marquis Whos's Who in the World 2011 edition. His areas of research include digital image processing, soft computing, human-computer interaction, wireless sensor networks, and cognitive radio.