[Chen, Xi; Chen, Yuantao; Liu, Linwu; Tao, Jiajun] Changsha Univ Sci & Technol, Sch Comp & Commun Engn, Changsha 410114, Hunan, Peoples R China.
[Chen, Xi; Chen, Yuantao; Liu, Linwu; Tao, Jiajun] Changsha Univ Sci & Technol, Hunan Prov Key Lab Intelligent Proc Big Data Tran, Changsha 410114, Hunan, Peoples R China.
[Xia, Runlong] Hunan Inst Sci & Tech Informat, Changsha 411105, Hunan, Peoples R China.
[Yang, Kai; Zhang, Qian] Hunan ZOOMLION Intelligent Technol Corp Ltd, Dept Elect Prod, Changsha 410005, Hunan, Peoples R China.
[Xiong, Jie] Yangtze Univ, Elect & Informat Sch, Jingzhou 434023, Peoples R China.