[1]陈水庆,苏光德.铁路隧道内无线通信天馈系统替代漏泄电缆的覆盖设计与试验研究[J].高速铁路技术,2024,15(04):69-75,110.[doi:10.12098/j.issn.1674-8247.2024.04.013]
　CHEN Shuiqing,SU Guangde.Research on the Design and Experimental Scheme of Replacing Leakage Cable with Antenna Feedback System for Wireless Communication Network Coverage in Railway Tunnels[J].HIGH SPEED RAILWAY TECHNOLOGY,2024,15(04):69-75,110.[doi:10.12098/j.issn.1674-8247.2024.04.013]
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铁路隧道内无线通信天馈系统替代漏泄电缆的覆盖设计与试验研究()
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《高速铁路技术》[ISSN:1674-8247/CN:51-1730/U]

卷:
15卷
期数:
2024年04期
页码:
69-75,110
栏目:
研究创新
出版日期:
2024-08-30

文章信息/Info

Title:
Research on the Design and Experimental Scheme of Replacing Leakage Cable with Antenna Feedback System for Wireless Communication Network Coverage in Railway Tunnels
文章编号:
1674-8247（2024）04-0069-07
作者:
陈水庆; 苏光德
东南沿海铁路福建有限责任公司，福州350000
Author(s):
CHEN Shuiqing; SU Guangde
Southeast Coastal Railway Fujian Co. ，Ltd. ，Fuzhou 350000 ，China
关键词:
铁路隧道; 无线覆盖; 设计优化
Keywords:
railway tunnel; wireless coverage; design optimization
分类号:
U285.2
DOI:
10.12098/j.issn.1674-8247.2024.04.013
文献标志码:
A
摘要:
无线电波发射和接收末端设备主要有天线和漏泄电缆两种。目前我国铁路无线通信在隧道内信号覆盖采用隧道壁吊挂漏泄同轴电缆延伸覆盖设计方案，该方案不仅建设阶段建设成本高、施工难度大，而且后续漏泄同轴电缆更新改造成本及施工难度将比建设阶段投入更大。采用天馈系统替代漏泄电缆实现隧道内无线信号覆盖，不仅可以大幅减少铁路建设和后期更新改造费用，还有利于日常维护和故障快速处理。在高速铁路CTCS-3级列控线路上，可实现无线网络冗余保护覆盖，确保隧道内无线网络更加安全可靠。
Abstract:
The transmission and reception terminals of radio waves primarily consist of two approaches：antennas and leaky cables. Currently，China’s railway wireless communication within tunnels adopts a design scheme that involves hanging leaky coaxial cables along tunnel walls to extend signal coverage. However，this design not only incurs high construction costs and poses significant construction challenges during the initial stage，but also entails even greater costs and difficulties for subsequent upgrades and renovations of leaky coaxial cables compared to the initial construction phase. Replacing leaky cables with antenna-feeder systems for wireless signal coverage within tunnels can not only substantially reduce railway construction and later-stage upgrade expenses but also facilitate routine maintenance and rapid troubleshooting. In high-speed railway CTCS-3 train control lines，this approach enables redundant protection coverage for wireless networks，thereby ensuring a more secure and reliable wireless network within tunnels.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2024-02-01
作者简介：陈水庆（1971-），男，高级工程师。
更新日期/Last Update: 2024-08-30