Joonas Kokkoniemi received his B.Sc. (Tech.), M.Sc. (Tech.), and Dr.Sc. (Tech.) degrees in communications engineering from University of Oulu, Finland in 2011, 2012, and 2017, respectively. At the moment he is a postdoctoral research fellow at the Centre for Wireless Communications, University of Oulu. From September to November 2013, he was a visiting researcher at the Tokyo University of Agriculture and Technology, Tokyo, Japan. From March to October 2017, he was a visiting postdoctoral researcher at the State University of New York at Buffalo.