2017
DOI: 10.1109/tap.2017.2751667
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Three-Site Diversity at Ka-Band Satellite Links in Norway: Gain, Fade Duration, and the Impact of Switching Schemes

Abstract: Abstract-Analysis of two years of measurements from a three-site satellite beacon diversity experiment in Norway is presented. The operating frequency was 19.68 GHz, elevation angles were between 21.7° and 22°, and site separations 23, 29.7 and 50.1 km. Due to spatial decorrelation of rain, combined attenuation at these sites occurs much less frequently than at a single site. All three two-site combinations and a three-site combination were investigated.Measured values for diversity gain at 0.01% exceedance le… Show more

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Cited by 11 publications
(3 citation statements)
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“…Sites at different locations experienced unlikely similar attenuation to the other site due to the inhomogeneity of rainfall types [ 17 ]. The spatial horizontal rain-cell span has been reaching at least 15 km, investigated in tropics by [ 18 ], and 10 km in the temperate region [ 19 ]. The site-separation distance has also been investigated using micro rain-cell site diversity, by which the predefined threshold classifying the smaller rain-cell (in meters) span was monitored [ 20 ], and multiple site diversity, which normally has a longer distance (in kilometers) between each site [ 21 ].…”
Section: Introductionmentioning
confidence: 99%
“…Sites at different locations experienced unlikely similar attenuation to the other site due to the inhomogeneity of rainfall types [ 17 ]. The spatial horizontal rain-cell span has been reaching at least 15 km, investigated in tropics by [ 18 ], and 10 km in the temperate region [ 19 ]. The site-separation distance has also been investigated using micro rain-cell site diversity, by which the predefined threshold classifying the smaller rain-cell (in meters) span was monitored [ 20 ], and multiple site diversity, which normally has a longer distance (in kilometers) between each site [ 21 ].…”
Section: Introductionmentioning
confidence: 99%
“…Rain attenuation becomes more severe during heavy rain, which are more common in tropical climates than in temperate climates [8]. Some mitigation techniques, such as power control and adaptive waveforms, are not effective due to inducing interference, and in some conditions, there is a need to request permission from consumers to possibly reduce the bit rate [9][10] [11], which can cause further delay, compromised data quality, misleading content, and user dissatisfaction, especially in broadcasting industries or during the transmission of vital messages in the case of disasters. Therefore, one way to overcome this is to use diversity techniques, which include satellite diversity, frequency diversity, time diversity, and site diversity.…”
Section: Introductionmentioning
confidence: 99%
“…ALPHASAT satellite has led many experimenter groups around Europe to initiate new propagation campaigns. Other similar experimental campaigns are ongoing around the globe [27]- [37].…”
mentioning
confidence: 99%