On the rain attenuation dynamics: spatial‐temporal analysis of rainfall rate and fade duration statistics

Panagopoulos, Athanasios D.; Kanellopoulos, J.D.

doi:10.1002/sat.763

Cited by 62 publications

(60 citation statements)

References 17 publications

(43 reference statements)

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“…In [3], [4] rainfall rate and rain attenuation are assumed to follow the lognormal distribution, while in [5] rain attenuation is modeled using the Weibull distribution. In [6], the point rainfall rate and rain attenuation are assumed to follow the gamma distribution.…”

Section: Introductionmentioning

confidence: 99%

On the Inverse Gaussian modeling of rainfall rate and slant path and terrestrial links rain attenuation

Kourogiorgas

Panagopoulos

Kanellopoulos

et al. 2012

2012 6th European Conference on Antennas and Propagation (EUCAP)

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Abstract-The Inverse Gaussian (IG) distribution is examined for modeling the rainfall rate and slant path and terrestrial link rain attenuation. The long-term statistics of rain rate and rain attenuation are modeled using the IG distribution. The method is validated using the recommendation of International Telecommunication Union (ITU) recommendation ITU-R. P. 837 and rain rate data from the ITU Study Group 3 database (DBSG3) database for the case of rain rate. For the modeling of rain attenuation, data which are derived from two databases of DBSG3, these of Earth-space links and line-of-sight terrestrial links are used for validating the model. The results are compared to the one using the lognormal distribution. It has been shown that IG distribution could be more appropriate for modeling rainfall rate and slant path and terrestrial link rain attenuation. Finally, some useful conclusions are derived and presented in this paper.

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Section: Introductionmentioning

confidence: 99%

On the Inverse Gaussian modeling of rainfall rate and slant path and terrestrial links rain attenuation

Kourogiorgas

Panagopoulos

Kanellopoulos

et al. 2012

2012 6th European Conference on Antennas and Propagation (EUCAP)

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“…It has been observed and shown that the dynamic parameter of rain attenuation depends on the dynamics of rain rate and the characteristics of the link, i.e., frequency, elevation angle etc. [19,20]. Therefore, we assessed the performance of time diversity systems for various elevation angles using the methodology presented in [20] for the computation of the dynamic parameter of rain attenuation for various elevation angles.…”

Section: Numerical Results and Discussionmentioning

confidence: 99%

“…The long-term parameters A m and S A are derived through fitting procedure on the latest version ITU-R P.618 [17] and the dynamic parameter β A (sec −1 ) is either considered by ITU-R P.1853 [18] or the physical-mathematical model in [19,20].…”

Section: Time Diversity Outage Prediction Modelmentioning

confidence: 99%

On the Outage Probability Prediction of Time Diversity Scheme in Broadband Satellite Communication Systems

Kourogiorgas¹,

Panagopoulos²,

Livieratos³

et al. 2013

PIER C

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Abstract-A novel model for the outage probability prediction in time diversity satellite communication (SatCom) systems operating above 10 GHz is proposed. Due to the migration of operating frequency at Ka band and above, atmospheric phenomena affect the signal. Rain is the dominant fading mechanism. Diversity techniques are the probable solution of the compensation of rain fading. Among the diversity techniques, time diversity has been identified as an efficient and cost effective technique. A method for the prediction of outage performance and diversity gain of time diversity SatCom systems is presented based on the physical assumptions of a well accepted dynamic stochastic model. The new method is tested against with simulated and experimental data with encouraging results.

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“…The cell diameters are determined using the physical-mathematical model for the calculation of rain attenuation [17] with inputs based on local rain rate characteristics or on the ITU-R rainmaps [18]. Satellite terminals located in the same cell are subjected to the same long-term rain fading.…”

Section: Evaluation Of the Cell Diametersmentioning

confidence: 99%

A feedback suppression algorithm for reliable satellite multicast based on spatial–temporal prediction of the satellite channel

Αναστασόπουλος

Panagopoulos

Cottis

2009

Satell Commun Network

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SUMMARYThe major problem limiting the scalability of large-scale multicast satellite networks is feedback implosion that arises whenever a large number of users simultaneously transmit feedback messages (FBMs) through the network, thus occupying a significant portion of satellite system resources. In satellite networks operating above 10 GHz, attenuation due to rain constitutes the dominant fading mechanism deteriorating the quality of service. In this paper, a novel scheme for providing large-scale reliable multicast services through a star-based geostationary satellite topology is presented incorporating accurate channel modeling of the propagation phenomena. The new protocol is based on the selection of an area representative that provides quick FBMs aiming at suppressing FBMs originating from the rest of the network users. The scheme provides a timely reaction to changes of either the channel conditions or the network topology by properly updating the selection of representatives. Through appropriate simulations, comparisons and examples it is demonstrated that the new approach suppresses FBMs very effectively.

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On the rain attenuation dynamics: spatial‐temporal analysis of rainfall rate and fade duration statistics

Cited by 62 publications

References 17 publications

On the Inverse Gaussian modeling of rainfall rate and slant path and terrestrial links rain attenuation

On the Inverse Gaussian modeling of rainfall rate and slant path and terrestrial links rain attenuation

On the Outage Probability Prediction of Time Diversity Scheme in Broadband Satellite Communication Systems

A feedback suppression algorithm for reliable satellite multicast based on spatial–temporal prediction of the satellite channel

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