[1] Univ Hong Kong, Dept Mech Engn, Hong Kong, Peoples R China
[2] Southeast Univ, Sch Math, Nanjing 210096, Peoples R China
[3] Southeast Univ, Frontiers Sci Ctr Mobile Informat Commun & Secur, Nanjing 210096, Peoples R China
[4] Chengdu Univ, Sch Elect Informat & Elect Engn, Chengdu 610106, Peoples R China
[5] Polish Acad Sci, Syst Res Inst, PL-01447 Warsaw, Poland
[6] AGH Univ Sci & Technol, Inst Comp Sci, PL-30059 Krakow, Poland
[7] Univ Social Sci, Informat Technol Inst, PL-90113 Lodz, Poland