Sampling and reconstruction of piecewise constant signals by parallel CR-Network

Juuso T. Olkkonen; Hannu Olkkonen

doi:10.1109/TCSII.2008.2002568

Sampling and reconstruction of piecewise constant signals by parallel CR-Network

Juuso T. Olkkonen, Hannu Olkkonen

VTT Technical Research Centre of Finland

Research output: Contribution to journal › Article › Scientific › peer-review

Abstract

Piecewise constant (PWC) waveforms consisting of amplitude-modulated edges (AMEs) are an important signal family in optical communication technology. The sampling of PWC signals by an analog-to-digital converter (ADC) requires an extremely high sampling rate. In this paper, we show that PWC signals can be measured and reconstructed using a parallel capacitor-resistor network (PCRN). The reconstruction of the amplitudes and arrival times of p AMEs occurring during one sampling period is possible using 2 p parallel CR-filters whose outputs are simultaneously sampled. The PCRN significantly reduces the sampling rate of the ADC, and the reconstruction algorithm is manageable on microprocessor and very large scale integration circuits. We describe several variations and applications of the PCRN sampling scheme.

Original language	English
Pages (from-to)	1159-1162
Journal	IEEE Transactions on Circuits and Systems II: Express Briefs
Volume	55
Issue number	11
DOIs	https://doi.org/10.1109/TCSII.2008.2002568
Publication status	Published - 2008
MoE publication type	A1 Journal article-refereed

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10.1109/TCSII.2008.2002568

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title = "Sampling and reconstruction of piecewise constant signals by parallel CR-Network",

abstract = "Piecewise constant (PWC) waveforms consisting of amplitude-modulated edges (AMEs) are an important signal family in optical communication technology. The sampling of PWC signals by an analog-to-digital converter (ADC) requires an extremely high sampling rate. In this paper, we show that PWC signals can be measured and reconstructed using a parallel capacitor-resistor network (PCRN). The reconstruction of the amplitudes and arrival times of p AMEs occurring during one sampling period is possible using 2 p parallel CR-filters whose outputs are simultaneously sampled. The PCRN significantly reduces the sampling rate of the ADC, and the reconstruction algorithm is manageable on microprocessor and very large scale integration circuits. We describe several variations and applications of the PCRN sampling scheme.",

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AU - Olkkonen, Hannu

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AB - Piecewise constant (PWC) waveforms consisting of amplitude-modulated edges (AMEs) are an important signal family in optical communication technology. The sampling of PWC signals by an analog-to-digital converter (ADC) requires an extremely high sampling rate. In this paper, we show that PWC signals can be measured and reconstructed using a parallel capacitor-resistor network (PCRN). The reconstruction of the amplitudes and arrival times of p AMEs occurring during one sampling period is possible using 2 p parallel CR-filters whose outputs are simultaneously sampled. The PCRN significantly reduces the sampling rate of the ADC, and the reconstruction algorithm is manageable on microprocessor and very large scale integration circuits. We describe several variations and applications of the PCRN sampling scheme.

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VL - 55

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JO - IEEE Transactions on Circuits and Systems II: Express Briefs

JF - IEEE Transactions on Circuits and Systems II: Express Briefs

IS - 11

ER -

Sampling and reconstruction of piecewise constant signals by parallel CR-Network

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