Ali EKŞİM was born in 1978, in Denizli, Turkey. He is currently a Chief senior researcher at the Center of Research for Advanced Technologies of Informatics and Information Security (TUBITAK-BILGEM) in Gebze, Kocaeli, Turkey. He received his B.Sc. degree from Yeditepe University, his M.Sc. degree from Koç University, and his Ph.D. degree from Istanbul Technical University, Istanbul, Turkey in 2001, 2004 and 2011, respectively. He has a book, a book chapter, and an editor of Wireless Communications and Networks: Recent Advances. In addition, he has more than 40 research publications in various national and international journals and conference proceedings. His current research interests lie in cooperative communication, space–time coding, coding and modulation, wireless sensor networks and digital signal processing. Dr. Ekşim is a Senior Member of the International Association of Computer Science and Information Technology, and Member of International Association of Engineers and Institue of Electrical & Electronics Engineers. He has been given a URSI Young Scientist Awards for the URSI-GASS Symposium, which is to be held in Istanbul, Turkey in 2011.