Leonhard Korowajczuk -- CelPlan Technologies, Inc. He graduated from the Universidale Federal do Rio de Janeiro in 1969, and has 34 years experience in the telecommunications R&D field. Previous experience include ITT telecommunication engineering departments (Brazil, England, Belgium and Spain). He was one of the founders of the Brazilian Telecommunications Research Center (Telebras--CPqD), Switching department manager and wireless division director at Elebra Telecomunicacoes/Alcatel, CEO and CTO of CellPlan Technologies, Inc., and also one of its founders in 1992. Was responsible for the design and deployment of wireless networks as early as 1988 and headed the team that developed an advanced MTSO and base station for Comsat--Plexsys from 1993 to 1996. Since then he has led the development of the family of planning and design tools provided by CellPlan Technologies, Inc. Holds several patents in the telecom field and is a member of IEEE. Bruno de Souza Abreu Xavier -- CelTec Technologia de Telecomunicacoes. Ltda. Telecommunications and RF engineers; he graduated as electrical engineer from the Federal University of Minas Gerais (UFMG) in 1996 and did MS from the University of Campinas (UNICAMP), researching on land--satellite CDMA performance analysis. He is responsible for the design of several wireless networks in South America and for training classes on planning, deployment and commissioning of wireless equipment infrastructure. Arlindo Moreita Fartes Filho -- CelTec Technologia de Telecomunicacoes. Ltda. Senior systems engineer; graduated as an electrical engineer from the University of Campinas (UNICAMP) in 1975 and completed MS in 1978. He has several years experience in the telecommunications R&D field, covering system specifications and software, He participated in the design and development of several telecom equipments (hardware and software). He planned and supervised the design of nationwide telecommunication networks, covering transmission, switching and wireless elements. Dr. Leila Zurba Ribeiro -- CelPlan Technologies, Inc. Director of Systems Engineering at CelPlan Technologies, Inc.; she received her Ph.D. in Electrical engineering from Virginia Tech in May 2003. She joined CelPlan Technologies, Inc., in 1993, and her work experience includes the design, traffic dimensioning and optimization of wireless communication systems in several countries. She has also taught graduate courses as an adjunct professor at the Electrical and Computer Engineering Department of George Mason University. She is a member of IEEE. Cristine Korowajczuk -- CelPlan Technologies, Inc. She graduated in 1999 in computer engineering from PUCC (Pontificia Universidade Catolica de Campinas), and has more than 10 years experience in the wireless field with CelTec and CelPlan. She has designed and optimized several wireless networks covering all main technologies. She is responsible for customer support, documentation and training at CelPlan Technologies, Inc. Dr. Luiz A. DaSilva -- Virginia Tech He joined Virginia Tech as an assistant professor at the Bradley Department of Electrical and Computer Engineering in 1998, after receiving his Ph.D. in electrical engineering at the University of Kansas. He has previously worked for IBM for six years. His research interests currently focus on performance and resource management in wireless mobile networks and Quality of Service (QoS) issues. He is a member of the Center for Wireless Communications (CWT) and associated faculty at the Mobile and Personal Radio Group (MPRG) at Virginia Tech. He is a senior member of IEEE and a member of ASEE.