Abstract
摘要: 在异构网正交频分复用系统中，异系统窄带干扰会造成系统性能的下降。该文提出一种基于信号循环平稳性的异系统窄带干扰消除算法，对干扰进行估计和消除，推导了干扰消除的信干噪比增益。仿真结果表明，与传统的线性预测滤波算法相比，该文提出的方法可以更为准确地估计窄带干扰信号，消除异系统干扰，提高系统性能。 关键词: 正交频分复用 / 窄带干扰 / 循环平稳性 / 异构网
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