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铁路通信信号工程技术 ›› 2022, Vol. 19 ›› Issue (8): 82-85.DOI: 10.3969/j.issn.1673-4440.2022.08.017

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LTE-U在市域快线中综合业务承载的应用研究

张 媛   

  1. 成都地铁运营有限公司，成都 610058
  • 收稿日期:2021-07-01 修回日期:2022-05-30 出版日期:2022-08-25 发布日期:2022-08-25
  • 作者简介:张媛（1985—），女，工程师，硕士，主要研究方向：轨道交通通信，邮箱：250575179@qq.com。

Application of LTE-U in Integrated Service Carrying of Urban Express Line

Zhang Yuan   

  1. Chengdu Metro Operation Co., Ltd., Chengdu    610058, China
  • Received:2021-07-01 Revised:2022-05-30 Online:2022-08-25 Published:2022-08-25

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摘要： 轨道交通行业对车地无线通信数据传输需求量的增加，车地无线网络带宽不足的问题日益严重。基于成都地铁18号线的应用案例，介绍LTE-U技术实现车地无线网络的系统架构及无线覆盖方案。测试结果表明，基于LTE-U的车地无线网络能够满足运营需求。

关键词: LTE-U, 高速移动, 降低同频干扰

Abstract: With the increasing demand for train-ground wireless communication data transmission in rail transit industry, the problem of insufficient bandwidth of train-ground wireless network is becoming more and more serious. Based on the application case of Chengdu Metro Line 18, this paper introduces the system architecture and wireless coverage scheme of train-ground wireless network using LTE-U technology. The test results show that, the train-ground wireless network based on LTE-U can meet the operation requirements.

Key words: LTE-Unlicensed, high speed mobile, reduce co-channel interference

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