Detection of Baseband Signals Using a Delta Modulator

Paul G. Flikkema; Lee D. Davisson

doi:10.1109/18.6034

Detection of Baseband Signals Using a Delta Modulator

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Abstract

The performance of a digital delta modulator when used as a repeater for binary non-return-to-zero signals between a noisy channel and an error-free link is analyzed. A Markov chain is used to model the accumulator output (observation process) of the device, and a Bayes test with probability of error criterion is formulated to evaluate its performance in additive band-limited Guassian channel noise. The key design parameters of sampling rate and accumulator range are varied for computation of performance degradation relative to the optimal matched filter. Numerical results are presented that demonstrate the feasibility of this technique.

Original language	English (US)
Pages (from-to)	537-543
Number of pages	7
Journal	IEEE Transactions on Information Theory
Volume	34
Issue number	3
DOIs	https://doi.org/10.1109/18.6034
State	Published - May 1988
Externally published	Yes

ASJC Scopus subject areas

Information Systems
Computer Science Applications
Library and Information Sciences

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AB - The performance of a digital delta modulator when used as a repeater for binary non-return-to-zero signals between a noisy channel and an error-free link is analyzed. A Markov chain is used to model the accumulator output (observation process) of the device, and a Bayes test with probability of error criterion is formulated to evaluate its performance in additive band-limited Guassian channel noise. The key design parameters of sampling rate and accumulator range are varied for computation of performance degradation relative to the optimal matched filter. Numerical results are presented that demonstrate the feasibility of this technique.

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Detection of Baseband Signals Using a Delta Modulator

Abstract

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