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铁路通信信号工程技术 ›› 2023, Vol. 20 ›› Issue (11): 60-65.DOI: 10.3969/j.issn.1673-4440.2023.11.011

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叙毕铁路GSM-R系统干扰排查案例分析

卫 磊   

  1. 中铁十二局集团电气化工程有限公司,天津 300308
  • 收稿日期:2022-11-03 修回日期:2023-09-30 出版日期:2023-11-24 发布日期:2023-11-25
  • 作者简介:卫磊(1988—),男,助理工程师,本科,主要研究方向:计算机科学与技术,邮箱:757790612@qq.com。

Case Analysis of Interference Investigation of GSM-R System in Xuyong-Bijie Railway

Wei Lei   

  1. China Railway 12th Bureau Group Electrification Engineering Co., Ltd., TianJin    300308, China
  • Received:2022-11-03 Revised:2023-09-30 Online:2023-11-24 Published:2023-11-25

摘要: 通过分析叙毕铁路GSM-R系统建设过程中出现的中国电信CDMA系统对GSM-R网络造成的上行干扰、中国移动GSM系统对GSM-R网络造成的下行干扰等典型案例,讨论GSM-R网络建设维护工作中的外网干扰排查、原因分析及现场试验、整改措施等关键问题,并对GSM-R区段铁路线路重点区域开展常态化干扰监控有关技术要求提出了建议,为工程实践提供参考。

关键词: GSM-R, 互调干扰, 阻塞干扰, 网络优化

Abstract: By analyzing uplink interference caused by China Telecom's CDMA system to the GSM-R network , downlink interference caused by China Mobile's GSM system to the GSM-R network and other typical cases in the construction process of GSM-R system of Xuyong-Bijie Railway, this paper discusses the key problems of external network interference detection, cause analysis, field test and rectification measures in the construction and maintenance of GSM-R network, and puts forward suggestions on the technical requirements of normalized interference monitoring in key areas of GSM-R section, which provides reference for engineering practice.

Key words: GSM for railway (GSM-R), intermodulation interference, blocking interference, network optimization

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