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地铁，是人们生活过程当中的一项重要交通工具，对于地铁交通来说，只有不断的优化地铁本身的系统，完善地铁进行承载运输过程中的相关设备，才能够保证乘客有更好的乘坐体验。就目前来说针对于地铁相关的技术设备研究有很多，但是对地铁无线通信的研究却相对来说比较少，基于此，文章对地铁通信中的车—地无线通信技术以及LTE技术的应用进行了简要的分析，以便于能进一步推动交通运输行业的高效顺利发展。“,”Metro is an important means of transport among the people living process ,for the metro, the only constant optimization subway system itself, improve the metro bearer during transport related equipment, to ensure the passengers a better travel experience.For now directed to the subway-related technology and equipment research are many, but the study of underground wireless communication but is relatively smal ,Based on this, the article subway communications vehicle-to wireless communication technology and the application of LTE technology a brief analysis, in order to further promote the ef icient and smooth development of the transport sector.