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LTE架构下的Macro-Femtocell网络干扰建模

, PP. 1636-1641

Keywords: 通信技术,干扰管理,干扰定性,毫微微蜂窝,同层干扰,跨层干扰

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Abstract:

为解决宏蜂窝中覆盖毫微微蜂窝(Femtocell)引起的干扰问题,建立了同层干扰和跨层干扰同时存在时的数学模型。利用干扰因子进行干扰定性并划分干扰区域,将整个网络分为同层干扰主导区、跨层干扰主导区和同层跨层均衡区。根据干扰模型设定合理的干扰因子,在不影响Femtocell用户(FUE)性能的条件下,只需单独考虑同层干扰或跨层干扰。研究了3种区域的概率分布,为实际工程中部署毫微微蜂窝等微小基站提供了理论依据,同时降低了频谱分配、功率控制和接入管理等干扰管理策略的复杂度。

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