LTE FDD和TD-LTE融合组网的相关问题研究

Studies on related problems intergrative strategy of LTE FDD and TD-LTE network

随着用户对数据业务需求的不断增长,TD-LTE无线网络遭遇了严峻挑战。针对它的覆盖、容量、频率资源紧缺等问题,阐述了LTE FDD覆盖性能和站址选择原则,在综合考虑多个部署策略的基础上,给出了LTE FDD与TD-LTE融合组网方案,并对该方案的效果进行了对比评估和多场景下的现网验证。评估结果表明,该方案能够有效提升网络质量,保证不同类型终端和业务在两网之间良好的移动性和最佳的用户感知,从而达到解决负载过高、网络拥塞、提高无线资源利用率等问题,为用户带来更好的网络体验。

As the growing need for mobile data services,the shortage of spectrum resources,coverage and capacity are becoming more and more serious.The study of several strategy of the integration and common development of TD-LTE and FDD LTE has become a trend of the global mobile communications industry,it mainly studies how to fi nd the most suitable strategy to solve solution in different scenarios.The results show that the fusion scheme effectively improves the network quality.It is ensure that different types of terminals and business between the two net good mobility and the best user perception.So as to solve the problem of high load,network congestion,improve wireless resource utilization,and bring better network experience to users.