1. State Key Laboratory of Rail Traffic Control and Safety, the Collaborative Innovation Center of Railway Traffic Safety, the Frontiers Science Center for Smart High-Speed Railway System, the Beijing Engineering Research Center of High-Speed Railway Broadband Mobile Communications, and the Key Laboratory of Railway Industry of Broadband Mobile Information Communications, Beijing Jiaotong University, Beijing, China
2. Intelligent Automotive Solution BU, Huawei Technologies Company Ltd., Shenzhen, China
3. School of Information Engineering, Zhengzhou University, Zhengzhou, China