[1] China Univ Petr East China, Coll Control Sci & Engn, Qingdao, Shandong, Peoples R China
[2] Univ Macau, Dept Comp & Informat Sci, Macau, Peoples R China
[3] Tufts Univ, Dept Elect & Comp Engn, Medford, MA 02155 USA
[4] CUNY, Coll Staten Isl, New York, NY 10021 USA