İbrahim Altunbaş was born in Sütçüler, Isparta, Turkey, in 1967. He received the B.Sc., M.Sc. and Ph.D. degrees, all in electronics and communication engineering, from the Istanbul Technical University, Istanbul, Turkey, in 1988, 1992 and 1999, respectively. From 1992 to 1999, he was a Research Assistant, from 1999 to 2006, he was an Assistant Professor and from 2006 to 2011 he was an Associate Professor at the Istanbul Technical University. He is currently a Professor at the same university. Between January 2001 - November 2001, he was a Visiting Researcher at Texas A&M University, USA. Between November 2001 - September 2002 and June 2015 - August 2015, he was a Postdoctoral Fellow and a Visiting Researcher, respectively at the University of Ottawa, Canada. His research interests include digital communications, information theory, error control coding and modulation, turbo coding, LDPC coding, iterative decoding, polar coding, MIMO systems, space-time coding, cooperative communication, network coding, spatial modulation, index modulation, full-duplex communication, NOMA, energy harvesting, SWIPT, vehicular communication and channel modulation.