MANSOOR SHAFI is Principal Advisor on Wireless at Telecom New Zealand. He has been employed by Telecom New Zealand for over 20 years and has published extensively on many subjects relating to the physical layer of communications systems. He is a Fellow of the IEEE and was awarded the ComSoc Public Service Award in 1992.

SHIGEAKI OGOSE is engaged in the research and development of the digital mobile communications systems, including PHS, at NTT. He is a member of the Faculty of Engineering, Kagawa University. He received his BSEE and MSEE degrees from Hiroshima University, Japan, and his PhD degree from Kyoto University, Japan. Dr. Ogose is a member of the IEICE.

TAKESHI HATTORI does research and development of cellular systems, paging systems, maritime systems, and advanced cordless systems at NTT. A member of the Faculty of Science and Technology, Sophia University, he received BSEE, MSEE, and PhD degrees from the University of Tokyo, Japan, and a PhD degree from Kyoto University, Japan. Professor Hattori is a member of the IEICE.