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首页> 外文期刊>IEEE Transactions on Magnetics >Allpass forward equalizer for decision feedback equalization
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Allpass forward equalizer for decision feedback equalization

机译:全通前向均衡器,用于决策反馈均衡

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摘要

An allpass forward equalizer (APFE) for use with decision feedback equalization (DFE) is described, The APFE has poles, unlike the normally implemented FIR (finite impulse response) forward equalizer; equalizers with poles can provide superior performance or reduced hardware complexity when compared to all-zero equalizers, but can have local optima and are more difficult to design. A theoretical basis for the allpass is presented and a systematic design procedure is described. It is shown that there are no local optima in a sufficient region about the global optimum such that adaptation is feasible. A performance vs. complexity advantage is shown for the APFE relative to the FIR forward equalizer, and implementation as a continuous-time filter is proposed.
机译:描述了一种与决策反馈均衡(DFE)一起使用的全通前向均衡器(APFE)。与通常实现的FIR(有限脉冲响应)前向均衡器不同,APFE具有极点;与全零均衡器相比,带极点的均衡器可以提供卓越的性能或降低的硬件复杂性,但具有局部最优性,设计起来更加困难。提出了通行证的理论基础,并描述了系统的设计程序。结果表明,在全局最优值附近的足够区域中没有局部最优值,因此自适应是可行的。相对于FIR前向均衡器,显示了APFE在性能和复杂度上的优势,并提出了作为连续时间滤波器的实现方案。

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