Large-scale radio propagation path loss measurements and predictions in the VHF and UHF bands

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dc.contributor.authorFaruk N
dc.contributor.authorAbdulrasheed IY
dc.contributor.authorSurajudeen-Bakinde NT
dc.contributor.authorAdetiba E
dc.contributor.authorOloyede AA
dc.contributor.authorAbdulkarim A
dc.contributor.authorSowande O
dc.contributor.authorIfijeh AH
dc.contributor.authorAtayero AA
dc.date.accessioned2022-07-26T11:50:18Z
dc.date.available2022-07-26T11:50:18Z
dc.date.issued2021
dc.descriptionHeliyon
dc.description.abstractFor decades now, a lot of radio wave path loss propagation models have been developed for predictions across different environmental terrains. Amongst these models, empirical models are practically the most popular due to their ease of application. However, their prediction accuracies are not as high as required. Therefore, extensive path loss measurement data are needed to develop novel measurement-oriented path loss models with suitable correction factors for varied frequency, capturing both local terrain and clutter information, this have been found to be relatively expensive. In this paper, a large-scale radio propagation path loss measurement campaign was conducted across the VHF and UHF frequencies. A multi-transmitter propagation set-up was employed to measure the strengths of radio signals from seven broadcasting transmitters (operating at 89.30, 103.5, 203.25, 479.25, 615.25, 559.25 and 695.25 MHz respectively) at various locations covering a distance of 145.5 km within Nigerian urban environments. The measurement procedure deployed ensured that the data obtained strictly reflect the shadowing effects on radio signal propagation by filtering out the small-scale fading components. The paper also, examines the feasibilities of applying Kriging method to predict distanced-based path losses in the VHF and UHF bands. This method was introduced to minimize the cost of measurements, analysis and predictions of path losses in built-up propagation environments.
dc.identifier.citation10.1016/j.heliyon.2021.e07298
dc.identifier.issn2405-8440
dc.identifier.urihttps://nerd.ethesis.ng/handle/123456789/258
dc.language.isoen
dc.subjectPath loss measurement
dc.subjectKriging Interpolation Method
dc.subjectPrediction model
dc.subjectRadio propagation
dc.titleLarge-scale radio propagation path loss measurements and predictions in the VHF and UHF bands
dc.typeArticle
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