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基于自适应逆控制的逆信道估计

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摘要 针对无线多径衰落信道,为补偿信道对信号的影响,提出基于自适应逆控制的逆信道估计算法。该算法先使用可变遗忘因子(VFF)的最小二乘(RLS)算法对信道进行估计,然后采用离线方式用归一化变步长最小均方(MNLMS)算法对信道的逆建模估计,用估计的逆信道做控制器来抵消信道对信号的影响。仿真结果表明,在相同信噪比下,基于自适应逆控制的逆信道估计算法与自适应均衡相比,具有更好的性能。
作者 毕剑峰 张振
出处 《电脑知识与技术》 2018年第7期175-177,190,共4页 Computer Knowledge and Technology
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