高铁隧道场景的5G覆盖方案研究  

Research on 5G Coverage Scheme of High-speed Railway Tunnel Scenario

作　　者：潘翔 张涛[1] 李福昌[1] Pan Xiang;Zhang Tao;Li Fuchang(China Unicom Network Technology Research Institute,Beijing 100048,China)

机构地区：[1]中国联通网络技术研究院

出　　处：《邮电设计技术》2019年第8期26-29,共4页Designing Techniques of Posts and Telecommunications

摘　　要：高铁隧道是5G重点覆盖场景之一,对通信运营商增强品牌效益及提高客户黏合度非常重要。针对5G高频特性,分析了常见隧道覆盖方案的可行性,包括漏缆覆盖、漏泄波导管覆盖及特型天线覆盖。基于隧道场景的5G系统链路预算,总结了5G系统对各个方案的性能要求,为5G高铁隧道天馈产品进一步研发提供参考。High-speed railway tunnel coverage is a main scene of 5G network,which is critical for operator to enhance the brand value and improve customer adhesion.According to the high frequency characteristics of 5G,the feasibility of common tunnel coverage schemes is analyzed,including leaky coaxial cable,leakage waveguide and special antenna.Based on the link budget of 5G system in tunnel scenario,the performance requirements of each scheme of 5G system are summarized,which provides reference for further research and development of antenna feeder products in the high-speed railway tunnel scenario.

关 键 词：传输损耗 隧道覆盖 八木天线 链路预算 

分 类 号：TN929.5[电子电信—通信与信息系统]