Jun Cheng received the B.S. and M.S. degrees in telecommunications engineering from Xidian University, Xi’an, China, in 1984 and 1987, respectively, and the Ph.D. degree in electrical engineering from Doshisha University, Kyoto, Japan, in 2000.From 1987 to 1994, he was an Assistant Professor and Lecturer in the Department of Information Engineering, Xidian University. From 1995 to 1996, he was an Associate Professor in the National Key Laboratory on Integrated Service Network, Xidian University. In April 2000, he joined ATR Adaptive Communications Research Laboratories, Kyoto, Japan, where he was a Visiting Researcher. From August 2002 to June 2003, he was working as a Staff Engineer at the R&D Center, Panasonic Mobile Communications Co., Ltd. (formerly Wireless Solution Labs., Matsushita Communication Industrial Co., Ltd.),Yokosuka, Japan. From July 2003 to March 2004, he was a Staff Engineer at Next-Generation Mobile Communications Development Center, Matsushita Electric Industrial Co., Ltd., Yokosuka, Japan. In April 2004, he joined Doshisha University, Kyoto, Japan. Currently, he is an Associate Professor in the Department of Intelligent Information Engineering and Sciences, Doshisha University, and a Visiting Researcher in ATR Wave Engineering Laboratories, Kyoto, Japan. His research interests are in the areas of communications theory, information theory, coding theory, array signal processing, and radio communication systems.