Wind-Blown Foliage and Human-Induced Fading in Ground-Surface Narrowband Communications at 400 MHz

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dc.contributor.authorChong, Poh Kitko
dc.contributor.authorYoo, Seong-Eunko
dc.contributor.authorKim, Seong Hoonko
dc.contributor.authorKim, Daeyoungko
dc.date.accessioned2013-03-12T00:49:50Z-
dc.date.available2013-03-12T00:49:50Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2011-05-
dc.identifier.citationIEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, v.60, no.4, pp.1326 - 1336-
dc.identifier.issn0018-9545-
dc.identifier.urihttp://hdl.handle.net/10203/100871-
dc.description.abstractAs small-scale fading is a spatial phenomenon, the movement of objects in the environment around static sensor nodes can induce significant fades. However, there have not been many works characterizing small-scale fading due to environmental factors for ground-surface wireless communications. We first measure the temporal fading characteristics experienced by antennas located just 1.5 cm above the surface of the ground due to wind-blown foliage or human movement in the environment for a narrowband channel in the 400-MHz frequency band. We then compare the extracted data to existing distributions and show that fading due to wind-blown foliage can be modeled as a Nakagami-m distribution, with wind speed and excess path-loss-dependent m shape factors. The alpha-mu distribution best characterizes the small-scale fading of a single human pedestrian, which is shown to have a repeatable pattern and can be up to 40 dB below the no-fading mean, whereas the Rician distribution, with an excess path-loss-dependent K-factor, can be used to characterize fading from multiple human pedestrians. We also report the second-order statistics of the average fade duration and the level crossing rate for fading caused by wind-blown foliage and multiple human pedestrians. Finally, we discuss the significance of the results on wireless sensor network protocol design and applications.-
dc.languageEnglish-
dc.publisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC-
dc.subjectCHANNEL-
dc.subjectVEGETATION-
dc.subjectSIMULATION-
dc.subjectMODEL-
dc.titleWind-Blown Foliage and Human-Induced Fading in Ground-Surface Narrowband Communications at 400 MHz-
dc.typeArticle-
dc.identifier.wosid000290539000002-
dc.identifier.scopusid2-s2.0-79955950891-
dc.type.rimsART-
dc.citation.volume60-
dc.citation.issue4-
dc.citation.beginningpage1326-
dc.citation.endingpage1336-
dc.citation.publicationnameIEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY-
dc.contributor.localauthorKim, Daeyoung-
dc.contributor.nonIdAuthorChong, Poh Kit-
dc.contributor.nonIdAuthorYoo, Seong-Eun-
dc.contributor.nonIdAuthorKim, Seong Hoon-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorFading-
dc.subject.keywordAuthorultra-high frequency (UHF) propagation-
dc.subject.keywordAuthorwireless sensor networks-
dc.subject.keywordPlusCHANNEL-
dc.subject.keywordPlusVEGETATION-
dc.subject.keywordPlusSIMULATION-
dc.subject.keywordPlusMODEL-
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