Prof. Choi received his B.E. (magna cum laude) degree in electronics engineering in 1989 from Sogang University, Seoul, and his M.S.E. and Ph.D. degrees in electrical engineering from Korea Advanced Institute of Science and Technology (KAIST), Daejeon, in 1991 and 1994, respectively. He is currently working with the Wireless Research Group within IAT. His research interests include wireless communications and array/statistical signal processing. He authored a book entitled Adaptive and Iterative Signal Processing in Communications (Cambridge University Press, 2006). Prof. Choi received the 1999 Best Paper Award for Signal Processing from EURASIP and is a Senior Member of IEEE. Currently, he is an Editor of the Journal of Communications and Networks (JCN) and an Associate Editor of IEEE Transactions on Vehicular Technology.