Dr Konstantinos Katzis received his BEng degree in Computer Systems Engineering and his MSc degree in Radio Systems Engineering from the University of Hull in 2000 and 2001 respectively. In 2001 he became a member of the Communications Research Group at the University of York (UK) were he remained there until the end of September 2006. In March 2002 Dr Katzis attended a professional short-course in parallel with his PhD studies on “Small Terminal Satellite Communications: VSAT Systems†which took place at the University of York.
Dr Katzis research work has looked at the development of novel channel allocation schemes and handoff techniques for High Altitude – Stratospheric Platforms (HAPs) cellular communication systems. His work has taken place in conjunction with HeliNet FP5 project, CAPANINA FP6 project and with COST297 action (HAPCOS) that explicitly looked at High Altitude Platforms. His work also focused on mixed HAP-terrestrial cognitive radio systems. Katzis research interest also examines a number of issues related to opportunistic channel assignment techniques for Cognitive Radio (CR) enabled base stations in a an organised hierarchical communications architecture (CR Hierarchical Cellular Mobile Networks). This scenario assumes a number of HUB Base Stations (HUBs) as well as Access Base Stations (ABSs) to provide users with sufficient coverage and capacity (1Gbps per square kilometer). The architecture is based on a hierarchical layout using advanced wireless backhaul systems. Dr Katzis is currently a Management Committee member of COST action IC0902.