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首页> 外文期刊>Asian Journal of Engineering, Sciences & Technology >A Comparative Study of MIMO-DFE Receivers.
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A Comparative Study of MIMO-DFE Receivers.

机译：MIMO-DFE接收器的比较研究。

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摘要

A decision feedback equalizer (DFE) is a nonlinear equalizer which utilizes the previous detector assessment to mitigate the intersymbol interference (ISI) on received symbols. Alternatively, we can say that the distortion on the current symbol that was caused by previous symbols is eliminated. While linear equalizer (LE) can be employed on the channels where the ISI is not significantly present but in case when there is a severe ISI channel then DFE’s have been effectively used to mitigate ISI. Different techniques have been proposed to improve the decision feedback equalization performance. In this paper we have reviewed some of the existing equalization techniques and have highlighted their performance gains.
机译：判决反馈均衡器（DFE）是一种非线性均衡器，它利用先前的检测器评估来减轻接收符号上的符号间干扰（ISI）。或者，我们可以说消除了由先前符号引起的当前符号失真。虽然线性均衡器（LE）可以用于ISI不太明显的信道，但是如果ISI信道严重，则DFE已被有效地用于减轻ISI。已经提出了不同的技术来改善判决反馈均衡性能。在本文中，我们回顾了一些现有的均衡技术，并强调了它们的性能提升。

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