Noise enhanced detection in multiple-access environments

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Noise enhanced detection in multiple-access environments [Çoklu erişimli ortamlarda gürültü ile geliştirilmiş sezim].pdf (516.31 KB)

Date

2009

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Source Title

Proceedings of the IEEE 17th Signal Processing and Communications Applications Conference, SIU 2009

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IEEE

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924 - 927

Language

Turkish

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Conference Paper

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Abstract

Under certain conditions, addition of noise can enhance performance of suboptimal detectors, which is called the stochastic resonance (SR) effect. In this paper, the effects of SR are investigated for conventional detectors in the presence of multiple-access interference. First, conditions under which probability of error performance of the detector can or cannot be improved are obtained. Then, performance of noise enhanced detectors are analyzed, and an upper bound on the amount of performance improvement that can be obtained via SR is derived. Numerical examples are presented to support the theoretical analysis.

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Keywords

Conventional detectors, Enhanced detectors, Noise-enhanced detection, Performance improvements, Probability of errors, Stochastic resonances, Upper bound, Detectors, Signal processing, Multiple access interference

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http://hdl.handle.net/11693/28716

Published Version (Please cite this version)

http://dx.doi.org/10.1109/SIU.2009.5136548

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Scholarly Publications - Electrical and Electronics Engineering