信道运行余量中的误差传播

2021 IEEE 25th Workshop on Signal and Power Integrity (SPI) Pub Date : 2021-05-10 DOI:10.1109/SPI52361.2021.9505189

Longfei Bai

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引用次数: 0

摘要

信道运行余量(COM)是评价高速互连的有效方法。对两种100GBASE-KP4背板进行了仿真和比较，简要介绍了COM技术。通过与暂态电路仿真的对比，验证了COM的脉冲响应。基于COM结果和马尔可夫链，提出了一种通用的误差传播模型。结果表明，采用较大的决策反馈均衡器抽头的背板设计会产生明显的误差传播效应，从而进一步降低系统性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Error Propagation in Channel Operating Margin

Channel Operating Margin (COM) is an efficient method to evaluate high speed interconnects. Two 100GBASE-KP4 backplanes are simulated and compared to give a brief introduction of COM. The pulse responses of COM are validated by comparing to the transient circuit simulation. A generic model for error propagation is proposed based on the COM results and Markov Chain. It shows that backplane designs with large Decision Feedback Equalizer (DFE) taps can have significant error propagation effect, which degrades the system performance further.

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2021 IEEE 25th Workshop on Signal and Power Integrity (SPI)

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