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Type: Journal article
Title: Quantization in the presence of large amplitude threshold noise
Author: McDonnell, M.
Stocks, N.
Pearce, C.
Abbott, D.
Citation: Fluctuation and Noise Letters (FNL), 2005; 5(3):L457-L468
Publisher: World Scientific Publishing Co. Pty. Ltd.
Issue Date: 2005
ISSN: 0219-4775
Statement of
McDonnell, Mark D. Stocks, Nigel G. Pearce, Charles E. M. Abbott, Derek Mannella, Riccardo
Abstract: Signal quantization in the presence of independent, identically distributed, large amplitude threshold noise is examined. It has previously been shown that when all quantization thresholds are set to the same value, this situation exhibits a form of stochastic resonance known as suprathreshold stochastic resonance. This means the optimal quantizer performance occurs for a small input signal-to-noise ratio. Here we examine the performance of this stochastic quantization in terms of both mutual information and mean square error distortion. It is also shown that for low input signal-to-noise ratios that the case of all thresholds being identical provides the optimal mean square error distortion performance for the given noise conditions.
Description: © World Scientific Publishing Company
DOI: 10.1142/S0219477505002884
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Appears in Collections:Aurora harvest 6
Electrical and Electronic Engineering publications

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