LTE-U在市域快线中综合业务承载的应用研究

Application of LTE-U in Integrated Service Carrying of Urban Express Line

轨道交通行业对车地无线通信数据传输需求量的增加,车地无线网络带宽不足的问题日益严重。基于成都地铁18号线的应用案例,介绍LTE-U技术实现车地无线网络的系统架构及无线覆盖方案。测试结果表明,基于LTE-U的车地无线网络能够满足运营需求。

With the increasing demand for train-ground wireless communication data transmission in rail transit industry,the problem of insufficient bandwidth of train-ground wireless network is becoming more and more serious.Based on the application case of Chengdu Metro Line 18,this paper introduces the system architecture and wireless coverage scheme of train-ground wireless network using LTE-U technology.The test results show that,the train-ground wireless network based on LTE-U can meet the operation requirements.