Effects of signal-dependant errors on the performance of switched-current Viterbi decoders

A. Demosthenous; J. Taylor

doi:10.1109/81.956017

Effects of signal-dependant errors on the performance of switched-current Viterbi decoders

A. Demosthenous, J. Taylor

Department of Electronic & Electrical Engineering

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

3 Citations (SciVal)

Abstract

Analog current-mode circuits including switched-current (SI) methods can he employed beneficially to implement high-speed, low-power Viterbi decoders for convolutional codes. Unfortunately, signal-dependent errors due to charge injection tend to limit the application of these methods to relatively small constraint-length decoders. This paper presents a technique for reducing the effects of charge injection on system performance. As a result, the use of SI techniques can be extended to the realization of larger Viterbi decoders, including the type conventionally employed in satellite communications

Original language	English
Pages (from-to)	1225-1228
Number of pages	4
Journal	IEEE Transactions on Circuits and Systems. Part I: Fundamental Theory and Applications
Volume	48
Issue number	10
DOIs	https://doi.org/10.1109/81.956017
Publication status	Published - 7 Aug 2002

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abstract = "Analog current-mode circuits including switched-current (SI) methods can he employed beneficially to implement high-speed, low-power Viterbi decoders for convolutional codes. Unfortunately, signal-dependent errors due to charge injection tend to limit the application of these methods to relatively small constraint-length decoders. This paper presents a technique for reducing the effects of charge injection on system performance. As a result, the use of SI techniques can be extended to the realization of larger Viterbi decoders, including the type conventionally employed in satellite communications",

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AU - Taylor, J.

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AB - Analog current-mode circuits including switched-current (SI) methods can he employed beneficially to implement high-speed, low-power Viterbi decoders for convolutional codes. Unfortunately, signal-dependent errors due to charge injection tend to limit the application of these methods to relatively small constraint-length decoders. This paper presents a technique for reducing the effects of charge injection on system performance. As a result, the use of SI techniques can be extended to the realization of larger Viterbi decoders, including the type conventionally employed in satellite communications

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M3 - Article

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JO - IEEE Transactions on Circuits and Systems. Part I: Fundamental Theory and Applications

JF - IEEE Transactions on Circuits and Systems. Part I: Fundamental Theory and Applications

IS - 10

ER -

Effects of signal-dependant errors on the performance of switched-current Viterbi decoders

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