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首页> 外文期刊>IEEE Transactions on Magnetics >Performance of BCJR-DFE Detectors Over Recording Channels Using Pattern-Dependent Noise Prediction
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Performance of BCJR-DFE Detectors Over Recording Channels Using Pattern-Dependent Noise Prediction

机译：BCJR-DFE检测器在记录通道上使用模式相关噪声预测的性能

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摘要

A noniterative receiver, namely Bahl-Cocke-Jelinek-Raviv (BCJR)-decision feedback equalizer (DFE), for achieving near capacity performance for intersymbol interference channels was proposed earlier. In this paper, we investigate the performance of BCJR-DFE receivers for recording channels with pattern-dependent media noise. To account for the media noise, we integrated pattern-dependent noise prediction (PDNP) into the BCJR-DFE receiver and evaluated its performance by comparing it to conventional iterative (turbo)-coded recording channels. Numerical simulations suggest that PDNP BCJR-DFE receivers provide superior or comparable performance as a turbo receiver, albeit with lower computation complexity and longer processing delays.
机译：较早提出了一种非迭代接收机，即Bahl-Cocke-Jelinek-Raviv（BCJR）-判决反馈均衡器（DFE），用于实现码间干扰信道的接近容量性能。在本文中，我们研究了BCJR-DFE接收器在记录与模式相关的媒体噪声的信道时的性能。为了解决媒体噪声，我们将模式相关的噪声预测（PDNP）集成到BCJR-DFE接收器中，并通过将其与常规的迭代（turbo）编码记录通道进行比较来评估其性能。数值模拟表明，PDNP BCJR-DFE接收器可提供比Turbo接收器更好的性能或可比的性能，尽管计算复杂度较低且处理延迟较长。

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