1. College of Intelligence and Computing, Tianjin University,Tianjin,China
2. Institute of Technology, Tianjin University of Finance and Economics,Tianjin,China
3. Shanghai Zhuichu Networking Technologies Co., Ltd.,China
4. China Mobile Guangxi institute Co Ltd,Guangxi,China
5. Xi'an University of Posts and Telecommunications,Shaanxi Key Laboratory of Information Communication Network and Security,Xi'an,China