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On the performance of a rate 8/10 matched spectral null code for class-4 partial response

机译:关于4类部分响应的速率为8/10的匹配频谱空码的性能

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The authors present the application and performance of a rate 8/10 matched-spectral null (MSN) trellis code in conjunction with class-4 partial response (PR4) signaling. Details of the encoder and decoder functions are presented, as well as the reduced-complexity trellis structure underlying the Viterbi detector for the coded system. Implementation issues involved in the design of a VLSI chip embodying the encoder, decoder, and Viterbi detector for the trellis-coded system are discussed. Results of experiments using synthesized PR4 waveforms are presented, and it is shown that the rate 8/10 code can provide about a 3-dB advantage relative to the class-4 partial response maximum likelihood detection in the presence of additive white Gaussian noise as well as additive synthesized adjacent track interference.
机译:作者介绍了速率为8/10的匹配频谱空值(MSN)网格代码以及4类部分响应(PR4)信令的应用和性能。给出了编码器和解码器功能的详细信息,以及编码系统的维特比检测器所基于的降低复杂性的网格结构。讨论了包含用于格码编码系统的编码器,解码器和维特比检测器的VLSI芯片设计中的实现问题。给出了使用合成的PR4波形进行实验的结果,结果表明,在存在加性高斯白噪声的情况下,相对于4类部分响应最大似然检测,速率8/10码可以提供约3-dB的优势作为添加剂合成相邻轨道干扰。

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