介质透镜天线在西北交通干线4G组网方案研究及应用

Research and application of dielectric lens antenna in 4G network for northwest traffi c trunk line

受制于站址建设难度大和投资效益差等客观因素,交通干线4G无线网络覆盖“弱、盲”问题普遍存在。在地广人稀的西北地区,该问题尤为突出,急需一种新技术手段帮助运营商实现交通干线场景的低成本、高质量4G无线网络覆盖。本文通过理论分析及实际组网测试验证了介质透镜天线提升单站覆盖范围的有效性。采用介质透镜天线替换交通干线沿线站点的传统板状天线,可有效提升交通干线的4G无线网络覆盖。特定场景下,通过“隔站闭站”技术还可以在保证网络质量的同时减少站址密度,达到降本增效的目的。

Limited by objective factors such as the difficulty of base station construction and poor investment benefit,the problem of"weak and blind"coverage of 4G wireless network in transportation trunk lines is ubiquitous,especially in the northwest region with a vast area and sparse population.A new technology is urgently needed to help operators achieve low-cost,high-quality 4G wireless network coverage in traffic trunk scenarios.The effectiveness of dielectric lens antenna to improve the coverage of single station is verified by theoretical analysis and practical networking test.Using dielectric lens antenna to replace the traditional plate antenna along the traffi c trunk can eff ectively improve the 4G wireless network coverage of the traffi c trunk.In specifi c scenarios,the"station separation and station closure"technology can also reduce the site density while ensuring the network quality,so as to achieve the purpose of cost reduction and efficiency increase.