A feature extraction and pattern recognition receiver employing wavelet analysis and artificial intelligence for signal detection in diffuse optical wireless communications

Robert Dickenson, Zabih Ghassemlooy

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

Optical wireless diffuse indoor infrared communication systems have as yet large unrealized bandwidths that are not subject to the same regulatory control as radio frequency systems. Usually, well established RF techniques are used to combat channel imperfections for IR implementations. Here, we introduce a novel receiver system based on the multiresolution time-frequency feature extraction capabilities of wavelet analysis, coupled with the well recognized pattern recognition performance of artificial neural networks for mitigating the effects of bandwidth limiting channel-induced distortion.
Original languageEnglish
Pages (from-to)64-72
JournalIEEE Wireless Communications
Volume10
Issue number2
DOIs
Publication statusPublished - 29 Apr 2003

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