Use of WRF to generate site diversity statistics in south of France

Fayon, Gaetan; Féral, Laurent; Castanet, Laurent; Jeannin, Nicolas; Boulanger, Xavier

doi:10.23919/ursigass.2017.8105206

Cited by 12 publications

(15 citation statements)

References 10 publications

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“…The accuracy of the ANS varies between propagation parameters. At the moment, the main conclusions are as follows: Gaseous and cloud attenuations are expected to be satisfactory with some underestimation of cloud attenuation with respect to radiometric measurements. This could depend also on the specific methodology used in beacon data processing when dealing with cloud attenuation. Rain attenuation is not well predicted on an instantaneous basis, but the estimation of intensity and occurrence of the peaks of precipitation events appear to be more accurate. It is expected that there will be an acceptable statistical agreement between ANS statistics and measurements for long periods (ie, one or more years). At the moment, it appears that the comparison between the ANS and measurements is more useful to improve the ANS (eg, to identify sites where the ANS configuration needs to be improved to reproduce better local conditions) rather than to improve beacon data processing. …”

Section: Execution Of the Campaignmentioning

confidence: 99%

“…41 It is expected that there will be an acceptable statistical agreement between ANS statistics and measurements for long periods (ie, one or more years). 47 At the moment, it appears that the comparison between the ANS and measurements is more useful to improve the ANS (eg, to identify sites where the ANS configuration needs to be improved to reproduce better local conditions) rather than to improve beacon data processing.…”

Section: Computing the Complementary Cumulated Distribution Functionsmentioning

confidence: 99%

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Assessment of spatial and temporal properties of Ka/Q band earth‐space radio channel across Europe using Alphasat Aldo Paraboni payload

Ventouras

Martellucci

Reeves

et al. 2019

Satell Commun Network

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Summary The upcoming migration of satellite services to higher bands, namely, the Ka‐ and Q/V‐bands, offers many advantages in terms of bandwidth and system capacity. However, it poses challenges as propagation effects introduced by the various atmospheric phenomena are particularly pronounced in these bands and can become a serious constraint in terms of system reliability and performance. This paper presents the goals, organisation, and preliminary results of an ongoing large‐scale European coordinated propagation campaign using the Alphasat Aldo Paraboni Ka/Q band signal payload on satellite, performed by a wide scientific consortium in the framework of a European Space Agency (ESA) project. The main objective of this activity is the experimental characterisation of the spatial and temporal correlation over Europe of the radio channel at Ka and Q band for future modelling activities and to collect data for development and testing of fading mitigation techniques.

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Section: Execution Of the Campaignmentioning

confidence: 99%

Section: Computing the Complementary Cumulated Distribution Functionsmentioning

confidence: 99%

Assessment of spatial and temporal properties of Ka/Q band earth‐space radio channel across Europe using Alphasat Aldo Paraboni payload

Ventouras

Martellucci

Reeves

et al. 2019

Satell Commun Network

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“…The grid is centered over our point of interest, i.e. the location of our propagation experiment and it extends over 150x150 km² depending on the configuration used [5].…”

Section: B Rain Attenuation Computationmentioning

confidence: 99%

Potentialities of the Numerical Weather Prediction model WRF to produce attenuation statistics in tropical regions

Mire

Boulanger

Castanet

et al. 2020

2020 14th European Conference on Antennas and Propagation (EuCAP)

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This paper presents the use of a Numerical Weather Prediction model (the WRF US model from NCAR/NCEP) coupled with an electromagnetic module to create rain attenuation time series and statistical results in a tropical region. Simulated results are compared with experimental data collected within a CNES/ONERA sponsored propagation experiment near Kourou, in French Guiana. Both simulated and experimental Complementary Cumulative Distribution Functions of rain attenuation (CCDF) are presented in an annual and monthly basis. Finally, a brief granulometric study is detailed to better understand the impact of the rain drop size distribution (DSD) on the obtained results.

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“…The conversion to specific attenuation is described in detail in [17]. Previous NAS experiments have been successfully carried out at Kaband [18]. Based on these simulations, long-term statistics of atmospheric attenuation can be obtained.…”

Section: Numerical Atmospheric Simulatormentioning

confidence: 99%

Preparation of a CubeSat LEO radio wave propagation campaign at Q and W bands

Cuervo

Martin-Polegre

Lasheras

et al. 2020

Satell Commun Network

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Due to the congestion of the spectrum and the need for wider bandwidths, ultra-high throughput satellites (UHTS) are moving towards the use of higher frequency bands (Q/V and W band). These frequencies are however severely impaired by atmospheric phenomena causing attenuation, scintillation and depolarization and compromising the quality of service (QoS). In order to study the Earth-space link, several experimental campaigns have been performed up to the Q band with geostationary (GEO) satellites. This paper introduces a new propagation experiment which will extend the characterization of the Earth-space channel up to the W band and low Earth orbits (LEO).

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Use of WRF to generate site diversity statistics in south of France

Cited by 12 publications

References 10 publications

Assessment of spatial and temporal properties of Ka/Q band earth‐space radio channel across Europe using Alphasat Aldo Paraboni payload

Assessment of spatial and temporal properties of Ka/Q band earth‐space radio channel across Europe using Alphasat Aldo Paraboni payload

Potentialities of the Numerical Weather Prediction model WRF to produce attenuation statistics in tropical regions

Preparation of a CubeSat LEO radio wave propagation campaign at Q and W bands

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