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MIMO波束成型系统的干扰对齐技术分析 被引量:1

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摘要 干扰对齐IA(Interference Alignment)是一种新兴有效地干扰抑制技术,可以通过压缩干扰所占的信号维度,使系统获得最大自由度。文章搭建了3用户MIMO系统线性干扰对齐的应用模型,对经典干扰对齐算法、基于特征子信道的干扰对齐预编码矩阵优化方法以及分布式干扰对齐算法进行了性能分析。分析结果表明,基于特征子信道的干扰对齐预编码矩阵优化方法和经典干扰对齐算法适用于集中式通信环境,因利用了本信道信息,前者性能优于经典干扰对齐算法;分布式干扰对齐算法用于分布式环境,性能与经典干扰对齐算法逼近。
作者 邓涛强 张琳
出处 《数据通信》 2012年第6期9-12,共4页
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参考文献6

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共引文献17

同被引文献9

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