AFTAB AHMAD received his DSc in communications from The George Washington University. Currently, he is Associate Professor of Computer Science at Norfolk State University. He has published a number of research papers and a book, Data Communication Principles: For Fixed and Wireless Networks. His current research involves ad hoc network routing, wireless network planning, Quality of Service (QoS)–based call control in IP radio access networks (IP-RAN), and QoS routing with IP.