Mr. Tzavalas Nikolaos holds a B.Sc. degree in Electronic Engineering from Department of Electronics (T.E.I. of Athens). He serves as a research fellow in the Self-Evolving Cognitive and Autonomic Networking (SCAN) Group of NKUA and has been involved in several EU FP7 ICT projects. He is currently an M.Sc candidate in ‘Electronics & Automation’ with the Department of Physics & Department of Informatics and Telecommunications (NKUA). His main research interests lie in the area of mobile communications, positioning algorithms and sensor networks.