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由于铁路向高速化和准高速化的方向不断迈进,对通信业务与服务提出更高的要求,因此必须采用最先进的有线与无线通信这两种现代化传输与接入方式,进而实现铁路通信网的高速升级,从而充分发挥铁路通信网的社会效益与经济效益。本文分别介绍了有线通线和无线通信的发展现状及发展趋势,最后就接入网技术建设提出几点建议。
As the railway is moving towards high-speed and quasi-high-speed operation, higher demands are placed on communication services and services. Therefore, it is necessary to adopt the two most advanced methods of transmission and access, wired and wireless, to realize the railway communication network Speed upgrade, so as to give full play to the social benefits and economic benefits of the railway communication network. This paper introduces the status quo and development trend of wired and wireless communication respectively, and finally puts forward some suggestions on the construction of access network technology.