DMT传输中的截波概率控制

Conference Record of the Thirty-First Asilomar Conference on Signals, Systems and Computers (Cat. No.97CB36136) Pub Date : 1997-11-02 DOI:10.1109/ACSSC.1997.680443

Alan Gatherer, Michael O. Polley

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引用次数: 182

摘要

离散多音信号具有比可比单音调制信号高得多的峰值平均比。因此，DMT发射机要么有一个明显更昂贵的模拟前端(在DAC、模拟滤波器和线路驱动器方面)，要么必须控制削波的数量。我们描述了两种通用的剪辑控制技术，并与以前的技术进行了性能比较。

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Controlling clipping probability in DMT transmission

A discrete multitone signal has a much higher peak to average ratio than a comparable single tone modulation signal. Therefore a DMT transmitter has to either have a significantly more expensive analog front end (both in terms of the DAC, the analog filter and line driver) or it has to control the amount of clipping. We describe two general techniques for clipping control and present performance comparisons to previous techniques.

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Conference Record of the Thirty-First Asilomar Conference on Signals, Systems and Computers (Cat. No.97CB36136)

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