通过切换优化提升TD-LTE网络质量的研究

摘要

Mobility management in connected mode is realized mainly through handover. TD-LTE network is a co-channel network, intra-frequency interference will rise and the network quality will decrease when neighbor cell RSRP is higher than serving cell RSRP caused by intra-frequency handover failure or delay. Based on existing network data analysis, when the traffic is not high, unreasonable handover is an important factor causing TD-LTE network quality decline besides weak coverage. In this paper, based on network data case and analysis, a method of improving TD-LTE network quality by handover optimization is proposed.%连接态的移动性管理主要通过切换实现。TD-LTE网络由于是同频组网，在同频切换失败或者不及时会导致同频邻小区电平大于服务小区的时候，同频干扰加剧、网络质量下降。通过现网数据分析发现，在目前业务量不高的情况下，切换不合理已经成为除弱覆盖以外导致TD-LTE网络质量下降的一个重要因素。通过现网数据及案例分析，提出了通过切换优化提升TD-LTE网络质量的方法。