[Duan, Xuting; Tian, Daxin; Zhou, Jianshan] Beihang Univ, Beijing Adv Innovat Ctr Big Data & Brain Comp, Natl Engn Lab Comprehens Transportat Big Data Appl, Sch Transportat Sci & Engn,Beijing Key Lab Coopera, Beijing 100191, Peoples R China.
[Yan, Huiwen] ZTE Corp, Wireless Prod Res & Dev Inst, Wireless Prod Operat Div, Baseband Res & Dev Dept 2, Shanghai 201203, Peoples R China.
[Su, Jian] Nanjing Univ Informat Sci & Technol, Sch Comp & Software, Nanjing 210044, Peoples R China.
[Hao, Wei] Changsha Univ Sci & Technol, Sch Traff & Transportat Engn, Changsha 410114, Peoples R China.