Dr. Hussain is a researcher in Multi Service Access (MSA) Architecture and Optical Technology Design and Engineering organization at AT&T Labs headquarter in Middletown, NJ. The organization is responsible for architecture and engineering of all access technologies including Wireless and Wireline services. Dr. Hussain has vast experience in the telecom industry and has published several articles as well as a book entitled Advanced RF Engineering for Wireless Systems and Networks, John Wiley and Sons, ISBN: 0-471-67421-4. Dr. Hussain teaches courses on wireless communications at the Stevens Institute of Technology in New Jersey.