北京轨道交通共用场段LTE-M系统频率运用分析

doi:10.3969/j.issn.1673-4440.2024.05.019

铁路通信信号工程技术 ›› 2024, Vol. 21 ›› Issue (5): 115-121.DOI: 10.3969/j.issn.1673-4440.2024.05.019

北京轨道交通共用场段LTE-M系统频率运用分析

李鸣

北京全路通信信号研究设计院集团有限公司，北京 100070

收稿日期:2023-03-02 修回日期:2024-03-11 出版日期:2024-05-25 发布日期:2024-05-25
作者简介:李鸣（1993—），男，工程师，硕士，主要研究方向：通信工程技术，邮箱：liming_tx@crscd.com.cn。

Analysis of Frequency Use by LTE-M System in Shared Yard Section of Rail Transit Lines in Beijing#br#

Li Ming

CRSC Research & Design Institute Group Co., Ltd., Beijing 100070, China

Received:2023-03-02 Revised:2024-03-11 Online:2024-05-25 Published:2024-05-25

摘要/Abstract

摘要： 北京轨道交通新建线路均已采用LTE-M系统综合承载数据及集群业务，在两线共用场段的情况下，不可避免存在频率干扰问题。为保障LTE-M系统的整体可靠性，提出车辆段业务场景并通过对LTE-M系统在共用场段场景下的频率运用分析，总结共用场段1.8G频率运用原则，提高车地通信可靠性，为共用场段LTE-M系统频率规划提供借鉴。

关键词: LTE-M, 共用场段, 频率运用

Abstract: All the new rail transit lines in Beijing have used the LTE-M system for comprehensive bearing of data and cluster services. In the case where the two lines use a shared yard section, frequency interference becomes inevitable. To ensure the overall reliability of the LTE-M system, this paper describes the service scenarios at the rolling stock depot and analyzes the frequency use of the LTE-M system in scenario of shared yard section. On this basis, it summarizes the principles of 1.8 G frequency use for shared yard section, which improves the reliability of vehicle-ground communication, and provides reference for the frequency planning of the LTE-M system for shared yard sections.

Key words: LTE-M, shared yard section, frequency use

中图分类号:

U285

李鸣. 北京轨道交通共用场段LTE-M系统频率运用分析[J]. 铁路通信信号工程技术, 2024, 21(5): 115-121.

Li Ming. Analysis of Frequency Use by LTE-M System in Shared Yard Section of Rail Transit Lines in Beijing#br#[J]. Railway Signalling & Communication Engineering, 2024, 21(5): 115-121.

图/表 8

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北京轨道交通共用场段LTE-M系统频率运用分析

Analysis of Frequency Use by LTE-M System in Shared Yard Section of Rail Transit Lines in Beijing#br#

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[2]	潘皓, 丰磊. 北京轨道交通换乘站LTE-M系统干扰分析[J]. 铁路通信信号工程技术, 2022, 19(11): 70-75.
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