The twelfth edition of the IEEE International Multi-Conference on Systems, Signals & Devices will be co-organized by the University of Sfax, Chemnitz University of Technology, Leipzig University of Applied Sciences and Philadelphia University. IEEE SSD’15 will be held in Sfax, capital of the south of Tunisia. Welcome to Tunisia! On behalf of International Multi-Conference on Systems, Signals & Devices Organizing Committee, it is our great pleasure to invit you to participate in IEEE SSD’15. IEEE SSD is a renowned scientic event that includes ve scheduled conferences covering almost all elds of electrical and electronics engineering namely: Systems Analysis and Automatic Control (SAC), Power Electrical Systems (PES), Communication and Signal Processing (CSP), Sensors, Circuits and Instrumentation Systems (SCI), Computers & Information Technology (CIT). The event is a forum for researchers and practitioners to discuss the latest ndings in electrical and electronics engineering research. It provides a serious opportunity for participants to promote networking between scientists and universities.