PHONGSAK PRASITHSANGAREE Received his Bachelor of Electrical Engineering degree from King Mongkut's Institute of Technology, Bangkok, Thailand, in 1996. He was a lecturer at the same institute before joining University of Kansas, Lawrence, KS, in 1998 as a research assistant while he was working towards his Master degree in Electrical Engineering. After receiving his Master degree in 2000, he joined University of Pittsburgh as a research assistant while he was working towards his Ph.D. degree in Telecommunications at School of Information Science. His research interests are position location system, computer networking protocols, and wireless network security.