交易系统性能的能源使用在VLSI实现自适应均衡器

Proceedings of the 43rd IEEE Midwest Symposium on Circuits and Systems (Cat.No.CH37144) Pub Date : 2000-08-08 DOI:10.1109/MWSCAS.2000.952814

N. A. Abbasi, C. Zukowski

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引用次数: 0

摘要

我们模拟了在多径信道中运行的64Mbps (16Mbaud, 16-PSK)数字通信链路。采用最小均方算法进行系数更新的自适应均衡器来消除接收机中的码间干扰。通过计算机模拟表明，如果接收方可以获得有关数据时间特征的信息，则可以更智能地以系统性能换取能源使用。本文还提出了一种简单的横向滤波器结构，该结构可以根据数据的时间特征动态调整滤波器的分频次数和各种字的大小。

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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Trading system performance for energy use in a VLSI implementation of an adaptive equalizer

We simulate a 64Mbps (16Mbaud, 16-PSK) digital communication link operating in a multipath channel. An adaptive equalizer using Least Mean Square algorithm for coefficient update is used to cancel Intersymbol Interference in the receiver. It is shown through computer simulations that system performance can be traded for energy use more intelligently if information about data temporal characteristics is available to the receiver. A simple transversal filter architecture is also presented in which the number of filter taps, and various word sizes can be dynamically adjusted based on temporal characteristics of data.

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Proceedings of the 43rd IEEE Midwest Symposium on Circuits and Systems (Cat.No.CH37144)

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