基于无线通信技术的城市轨道交通通信网络设计与优化  

Design and Optimization of Urban Rail Transit Communication Networks Based on Wireless Communication Technology

作　　者：覃嘉明 QIN Jiaming(Nanning Rail Transit Operation Co.,Ltd.,Nanning 530000,China)

机构地区：[1]南宁轨道交通运营有限公司,广西南宁530000

出　　处：《通信电源技术》2025年第3期179-181,共3页Telecom Power Technology

摘　　要：城市轨道交通通信网络的设计与优化在提升系统性能和确保通信质量方面至关重要。分析系统需求,包括高速数据传输与实时监控、广泛的覆盖能力等关键要素。在此基础上,提出分层架构的网络设计,涵盖应用层、核心层、接入层以及列车层,以满足不同通信需求。在无线通信技术优化方面,采用正交频分复用(Orthogonal Frequency Division Multiplexing,OFDM)、波束赋形技术和自适应调制与编码(Adaptive Modulation and Coding,AMC)等先进信号传输技术。同时,合理使用网络拓扑结构,如星型拓扑结构、分布式拓扑结构和混合型拓扑结构。此外,实施高效的信道编码、多址接入技术和动态频谱接入策略,以增强数据传输效率。为了优化无线覆盖范围,最大化信号覆盖和减少干扰,探讨天线配置与选择,包括定向天线、全向天线和组合天线的应用,强调合理的天线布局与信号优化策略。通过信号覆盖仿真软件的评估和现场测试,确保网络在实际部署中达到最佳性能。The design and optimization of the urban rail transit communication network is critical in improving system performance and ensuring communication quality.This paper analyzes the system requirements,including key elements such as high-speed data transmission and real-time monitoring,and extensive coverage capabilities.On this basis,a network design with a layered architecture is proposed,covering the application layer,core layer,access layer and train layer,to meet different communication requirements.In terms of wireless communication technology optimization,advanced signal transmission technologies such as Orthogonal Frequency Division Multiplexing(OFDM),beamforming technology and Adaptive Modulation and Coding(AMC)are adopted.At the same time,a reasonable network topology,such as a star,distributed and hybrid network topology,is adopted.In addition,efficient channel coding,multiple access technologies and dynamic spectrum access strategies are implemented to enhance data transmission efficiency.To optimize wireless coverage,this paper discusses antenna configuration and selection,including the application of directional antennas,omni-directional antennas,and combined antennas.It emphasizes reasonable antenna layout and signal optimization strategies to maximize signal coverage and reduce interference.Evaluation through signal coverage simulation software and field testing ensure that the network achieves optimal performance in actual deployment.

关 键 词：城市轨道交通系统 智能通信电源技术 网络拓扑 

分 类 号：TN92[电子电信—通信与信息系统]