Homare MURAKAMI joined Communications Research Laboratory, Ministry of Post and Telecommunications since 1999, which is now reorganised to National Institute of Information and Communications Technology (NICT). He is currently a senior researcher at Smart Wireless Laboratory, NICT and takes a responsible role of NICT's white space project. He also worked in Aalborg University from 2003 to 2005 as a visiting researcher. His interest areas are cognitive radio networking, IP mobility, new transport protocol supporting wireless communications and naming scheme. He is a member of IEEE, ACM and IEICE. He is currently serving as a Japan representative in ITU-R WP 5A and WP 1B for the topics of Cognitive Radio Systems.