Affiliation: | a Department of Computer Science, Electrical Engineering and Space Technology, Narvik University College, N-8505 Narvik, Norway b CNRS-LSS, Supélec, 3, Rue Joliot Curie, 91192 Gif s/Yvette, France c Univ. Paris Sud - Supélec - EECI, 3, Rue Joliot Curie, 91192 Gif s/Yvette, France |