Mohammad Ghavami is Reader at the Centre for Telecommunications Research, King's College London. From 1998 to 2000 he was a JSPS Postdoctoral fellow in Yokohama National University, Japan, and from 2000 to 2002 he was a researcher at the Sony Computer Science Laboratories, Inc. in Tokyo, Japan.

Lachlan Michael is based at Hattori Information Processing Laboratory, Sony, Inc. and was previously Associate Researcher at Sony Corporation, Tokyo.

Ryuji Kohno is Visiting Researcher at the Fundamental Research Lab, Sony CSL and a Professor at the Yokohama National University, Yokohama, Japan. He was previouslyDirector of the Advanced Telecommunication Laboratory, Sony Coroporation, Tokyo.

Dr. Seiichi Sampei is an Associate Professor of Communications Engineering at Japan's Osaka University. He has over 10 years of experience working with the Japanese Ministry of Posts and Telecommunications, where he developed radio transmission technologies for advanced digital wireless and personal communications systems. Besides serving on numerous standardization committees, he has authored or co-authored more than 100 papers and holds 10 patents in the USA and Japan.