合肥城市轨道交通1号线CBTC无线子系统抗干扰技术研究 |
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引用本文: | 郑俊锋.合肥城市轨道交通1号线CBTC无线子系统抗干扰技术研究[J].城市轨道交通研究,2015(Z2):9-13. |
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作者姓名: | 郑俊锋 |
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作者单位: | 合肥城市轨道交通有限公司,230001,合肥 |
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摘 要: | 针对当前CBTC系统中车地无线通信如何避免外界干扰的问题进行探讨。通过对合肥城市轨道交通1号线CBTC车地无线通信子系统所采用的组网方式及技术制式进行归纳,同时结合城轨交通中可能产生的无线干扰情况,重点分析了该系统的抗干扰技术及能力,并在此基础上提出了优化措施与建议。
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关 键 词: | 基于通信的列车控制 无线子系统 跳频扩频(FHSS) 抗干扰 |
Anti-interference Technology of CBTC Wireless Sub-system Applied on Hefei Rail Transit Line 1 |
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Abstract: | Problems of how to avoid interference from external environment in CBTC onboard-wayside radio communication system are discussed.The network architecture and pattern adopted in Hefei Metro Line 1 CBTC Data Communication subsystem is summarized.Then, based on the possible wireless interference conditions in urban rail transit environment, the anti-interference technology and capability of this system is maily analyzed, corresponding measures and suggestions for optimization are put forward. |
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Keywords: | communication based train control (CBTC) wireless sub-system frequency hopping spread spectrum (FHSS) technology anti-interference |
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