Professor Rahim Tafazolli is Head of the Mobile Communications Research Group at the Centre for Communication Systems Research, University of Surrey, UK. His research activities are on optimization techniques for mobile multimedia networks, mainly on advance Resource management, Mobility management and Media Access Control. He has published more than 300 research papers in refereed journals, international conferences and as invited speaker, and has more than 15 patents in the field of mobile communications. He is the founder and past Chairman of International Conference on “3G Mobile Technologies”. He is also member of IEE Committee on the UK Regulations on “Information Technology & Telecommunications”, a member of the WWRF Vision Committee, and past Chairman of “New Technologies” group of Wireless World Research Forum (WWRF), and academic co-ordinator of the UK Mobile VCE (Virtual Centre of Excellence).