Affiliation: | aDepartment of Electrical Engineering, The University of Suwon, San 2-2, Wau-ri, Bongdam-eup, Hwaseong-si, Gyeonggi-do, 445-743, South Korea;bDepartment of Electrical and Computer Engineering, University of Alberta, Edmonton, AB, Canada T6G 2G6;cSystems Research Institute, Polish Academy of Sciences, Warsaw, Poland |