1. College of Mechanical & Energy Engineering, Beijing University of Technology, Beijing 100124, China
2. School of Information Science and Technology, Beijing University of Technology, Beijing 100124, China
3. Beijing National Railway Research and Design Institute of Signal and Communication Group Co., Ltd., Beijing 100070, China
4. Standards & Metrology Research Institute, China Academy of Railway Sciences Corporation Limited, Beijing 100081, China
5. China Railway Test & Certification Center, Beijing 100081, China