Energy Detection of Multilevel PAM Signals with Systematic Threshold Mismatch

We address a symbol decision problem with spectrally efficient energy detected multilevel pulse amplitude modulated (PAM) signals. First, we analytically quantify the relationship between a systematic threshold mismatch and the required increase of the average signal-to-noise ratio to preserve a des...

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Published in:Journal of electrical and computer engineering 2009, Vol.2009 (2009), p.1-4
Main Authors: Anttonen, Antti, Mämmelä, Aarne, Kotelba, Adrian
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creator Anttonen, Antti
Mämmelä, Aarne
Kotelba, Adrian
description We address a symbol decision problem with spectrally efficient energy detected multilevel pulse amplitude modulated (PAM) signals. First, we analytically quantify the relationship between a systematic threshold mismatch and the required increase of the average signal-to-noise ratio to preserve a desired symbol error rate. For the case in which such an increase is not tolerable, we present a novel near-optimal multilevel threshold selection scheme, which is accurate for a wide range of system parameters.
doi_str_mv 10.1155/2009/457342
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title Energy Detection of Multilevel PAM Signals with Systematic Threshold Mismatch
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