[1] Univ Sci & Technol Beijing, Sch Math & Phys, Beijing 100083, Peoples R China
[2] Univ Sci & Technol Beijing, Sch Comp & Commun Engn, Beijing 100083, Peoples R China
[3] Univ Sci & Technol Beijing, Shunde Innovat Sch, Foshan 100024, Peoples R China