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Generation of Attenuation Time Series for Simulation Purposes Starting From ITALSAT Measurements
A model is presented that extends the applicability of the propagation data collected during a long measurements campaign in a particular site and for a particular radiolink, to a generic link in a generic site. In fact, the objective of the model is to create a set of attenuation time series to be used in the design of advanced TLC systems. The model assumes that the marked differences of the rai...Show More
Seasonal Variations and Anisotropy Properties of Spatial Correlation for Rain Attenuation Obtained From Radar Data
We assess the seasonal (summer versus winter) variations of the correlation of rain attenuation as a function of distance for site separations up to 50 km; the anisotropy of the process is also studied. The work is based on a database of radar measurements collected in Spino d'Adda, Italy, in the period 1994-1995. The results show that in case of summer events (prevalence of convective storms) the...Show More
Advanced modelling of the space-time behaviour of the propagation channel for future Satcom systems
Laurent Castanet;Joel Lemorton;Stefano Bertorelli;Carlo Capsoni;Frederic Lacoste;Antonio Martellucci
2006 First European Conference on Antennas and Propagation
Year: 2006 | Conference Paper |
Cited by: Papers (5)
The objective of this paper is to describe recent activities carried out in the field of Earth-Space propagation for ESA and CNES or in the framework of European projects. In a first part, the temporal behaviour of the propagation channel is briefly addressed thanks to the development and validation of time series synthesisers. In a second part, which is the main core of the paper, it is shown how...Show More
Assessment of performance of a Ka-band broadcasting reconfigurable satellite antenna with adaptive mitigation for atmospheric attenuation
A. Paraboni;C. Capsoni;M. Buti;S. Bertorelli;D. Moretti;P. Gabellini;N. Gatti;A. Martellucci;P. Rinous
2006 First European Conference on Antennas and Propagation
Year: 2006 | Conference Paper |
Cited by: Papers (4)
The flexibility given by a reconfigurable antenna can be exploited in various ways: redirecting capacity, tailoring the shape so as to match the borders of the served region, maximizing the total throughput etc. Another possibility, particularly valuable above the Ka-band owing to the sensitivity to atmospheric attenuation, is that of minimizing the number of non served users in a broadcasting sys...Show More
Simulation of joint statistics of rain attenuation in multiple sites across wide areas using ITALSAT data
This paper presents a new method for generating a large set of experimentally derived time-series of rain attenuation to be employed in the channel simulation of a large satellite-based resource-sharing network. The time-series are organized in basic periods of fixed length (1 h) containing properly scaled attenuation data collected with the Italian satellite ITALSAT at 18.7, 39.6, and 49.5 GHz an...Show More
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