[1] Chongqing Jiaotong Univ, Dept Math, Chongqing 400074, Peoples R China
[2] Huzhou Univ, Dept Math, Huzhou 313000, Peoples R China
[3] Yangzhou Univ, Dept Math, Yangzhou 225002, Jiangsu, Peoples R China
[4] Yancheng Inst Technol, Sch Math & Phys, Yancheng 224051, Peoples R China
[5] King Abdulaziz Univ, Fac Engn, Dept Elect & Comp Engn, Commun Syst & Networks CSN Res Grp, Jeddah 21589, Saudi Arabia