mimo信道模型MATLAB程序.rar

上传者: 41782791 | 上传时间: 2021-06-05 01:42:06 | 文件大小: 619KB | 文件类型: RAR
直接运行examplemimo就行
MIMO(多天线技术)在LTE中的应用包括层映射和预编码。
在无线链路两端均采用多天线,分别同时接收与发射,
能够充分利用空间资源,在无需增加频谱资源和
发射功率的情况下,成倍提升通信系统的容量与可靠性。
分为SU-MIMO和MU-MIMO
单用户MIMO,可以通过空时编码技术,在不需要额外带宽的情况下
实现近距离的频谱资源重复利用,提高了传输效率,
同时增加抗干扰,抗衰落的能力。
多用户MIMO,虚拟MIMO,将两个单天线的UE配成
一对,可以组成虚拟MIMO链路,利用多天线所提供的
多个信号来复用多个UE的数据。
空间分集:接收分集和发射分集
分集优点:容易获得相对稳定的信号,可以获得分集处理增益,提高信噪比

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