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Statements

Subject Item
n2:RIV%2F00177016%3A_____%2F07%3A%230000472%21RIV12-MPO-00177016
rdf:type
skos:Concept n6:Vysledek
dcterms:description
Electromagnetic wave propagation research in frequency band 58 GHz was started at TESTCOM in Prague due to lack of experimentally obtained results needed for a realistic calculation of quality and availability of point-to-point fixed systems. Rain attenuation data obtained from a path at 58 GHz with V polarisation located in Prague was processed over a 5-year period. Rainfall intensities have been measured by means of a heated siphon raingauge. In parallel, rainfall intensity data from raingauge records was statistically processed over the same year periods as the rain attenuation data. Cumulative distributions of rainfall intensities obtained as well as cumulative distributions of rain attenuation obtained are compared with the calculated ones in accordance with relevant ITU-R recommendations. The results obtained can be used as the primary basis for the possible extension of the ITU-R recommendation for calculating rain attenuation distributions up to 60 GHz. The obtained dependence of percentages of time of the average year on the percentages of time of the average worst month is also compared with the relevant ITU-R recommendation. The results obtained are discussed. Electromagnetic wave propagation research in frequency band 58 GHz was started at TESTCOM in Prague due to lack of experimentally obtained results needed for a realistic calculation of quality and availability of point-to-point fixed systems. Rain attenuation data obtained from a path at 58 GHz with V polarisation located in Prague was processed over a 5-year period. Rainfall intensities have been measured by means of a heated siphon raingauge. In parallel, rainfall intensity data from raingauge records was statistically processed over the same year periods as the rain attenuation data. Cumulative distributions of rainfall intensities obtained as well as cumulative distributions of rain attenuation obtained are compared with the calculated ones in accordance with relevant ITU-R recommendations. The results obtained can be used as the primary basis for the possible extension of the ITU-R recommendation for calculating rain attenuation distributions up to 60 GHz. The obtained dependence of percentages of time of the average year on the percentages of time of the average worst month is also compared with the relevant ITU-R recommendation. The results obtained are discussed.
dcterms:title
Rain Attenuation at 58 GHz – Prediction Versus Long-Term Trial Results Rain Attenuation at 58 GHz – Prediction Versus Long-Term Trial Results
skos:prefLabel
Rain Attenuation at 58 GHz – Prediction Versus Long-Term Trial Results Rain Attenuation at 58 GHz – Prediction Versus Long-Term Trial Results
skos:notation
RIV/00177016:_____/07:#0000472!RIV12-MPO-00177016
n4:aktivita
n16:V n16:Z
n4:aktivity
V, Z(MI00000346806)
n4:cisloPeriodika
1
n4:dodaniDat
n13:2012
n4:domaciTvurceVysledku
n8:1011383 n8:9586814
n4:druhVysledku
n7:J
n4:duvernostUdaju
n12:S
n4:entitaPredkladatele
n14:predkladatel
n4:idSjednocenehoVysledku
446349
n4:idVysledku
RIV/00177016:_____/07:#0000472
n4:jazykVysledku
n9:eng
n4:klicovaSlova
attenuation due to rain
n4:klicoveSlovo
n15:attenuation%20due%20to%20rain
n4:kodStatuVydavatele
US - Spojené státy americké
n4:kontrolniKodProRIV
[49A78DDB37C9]
n4:nazevZdroje
EURASIP Journal on Wireless Communications and Networking
n4:obor
n11:JA
n4:pocetDomacichTvurcuVysledku
2
n4:pocetTvurcuVysledku
2
n4:rokUplatneniVysledku
n13:2007
n4:svazekPeriodika
2007
n4:tvurceVysledku
Grábner, Martin Kvičera, Václav
n4:zamer
n17:MI00000346806
s:issn
1687-1472
s:numberOfPages
8