摘要
TD-LTE与TD-SCDMA系统同频段共存时,为避免交叉时隙干扰,要求TD-LTE系统与TD-SCDMA系统上下行时隙转换点对齐。按照3GPP标准现有的配置模式,将空置6～8个TD-LTE OFDM符号的资源。结合我国TD-SCDMA网络现状及TD-LTE可能的引入方式,本文对规避交叉时隙干扰的方法进一步分析研究,提出了新的配置模式,有利于提高频谱效率。
When using the frequence band of TD, to avoid the cross-slot interference, the change point of uplink and downlink must be synchronous. However, the configuration that 3GPP suggests is not efficient enough, wasting about 6 or 80FDM symbols. Based on the existing TD-SCDMA network and the deployment strategy of TD-LTE in china, this paper analyses and promotes new schemes for the special subframe of TD-LTE to optimise the spectral efficiency.
出处
《电信工程技术与标准化》
2011年第9期29-32,共4页
Telecom Engineering Technics and Standardization
