Modelling of Alpha and Beta for Rain Rate Prediction for Radio Propagation Systems
##plugins.themes.bootstrap3.article.main##
The effect of rain in the design of satellite and terrestrial microwave radio links is of interest to Engineers and Scientists. It is good to have a reliable design that guarantees high level of accuracy of the rain rate distribution from the lowest rain rate value to the highest. The present work proposes a model that expresses rain rate as a function of alpha and beta obtained at 0.01% of time. When tested, the results obtained with the measurement perform well for the stations considered at a rain rated between 5mm/h to 200mm/h. Thus, , the empirical models that were obtained through them could be a useful tool for the radio design engineers for high rain rate areas.
Downloads
Download data is not yet available.
References
-
Adimula, I.A., Oyinloye, J.O and Owolabi, I.E. (1991): Rain intensity measurement in Nigeria for microwaves application. Proc 3rd Biregional African ? Latin American conference on radio propagation and spectrum management foz do Iguah, Brazil PP171-179
Google Scholar
1
-
Ajayi, G.O and Olsen, R.L (1985): Modelling of a tropical raindrop size distribution for microwave and millimetre wave applications. Radio Sci., Vol. 20, No 2, P.193-2002
Google Scholar
2
-
Ajayi, G.O and Ofoche, E.B.C (1984): Some tropical rainfall rate characteristics at Ile- Ife for microwave and millimeter wave application. Journal of climate and applied meteorology volume 23 No 4 pp 563.
Google Scholar
3
-
Abayomi I Y, and Nor HHK (2014) Rain Attenuation Prediction Model for Lagos at Millimeter Wave Bands, J. Atmos. Oceanic Technol. (2014) 31 (3): 639?646
Google Scholar
4
-
Adegoke AS and Onasanya MA (2008) Effect of Propagation delay on signal Transmission. Pacific Journal of Science and Technology (USA) Vol 9 (1) pg 13-19
Google Scholar
5
-
Moupfouma F and Martin. L (1995) Modeling of rainfall rate cumulative distribution for the design of satellite and terrestrial comm. System? Int J. Satelite Comm volume 13. PP 105.
Google Scholar
6
-
Maitran A (2004) Rain Attenuation Modelling from Measurements of Rain Drop Size Distribution in the India Region. IEEE Antena and Wireless Propagation Letter Vol 3
Google Scholar
7
-
Moupfouma, F and Martin (1993) Point rainfall rate cumulative distribution function valid at various locations in the world, electronics letters, vol 29 No 7 PP 1503-1504.
Google Scholar
8
-
Oyeleke, O. (2010): (Unpublished) Rain-rate model for Tropical Regions for Radio Propagation Applications. An M.Sc thesis submitted to the department of physics, University of Ilorin, Ilorin Nigeria.
Google Scholar
9
-
Moupfouma F (1987) More about rainfall rate and their prediction for radio systems Engineering? IEE Proc. Volume 134 Pt. H. No 6 PP 527-530.
Google Scholar
10
-
Massambami O and Rodriquez C.A.M (1991) Intercomparison of models for rain attemation prediction as inferred from DSD Measurements in the tropics. Pro1 3rd, Biregional African ? Latin American Conference and Radio propagation and spectrum management Fo3, do Ingueche, Brazil PP 161 ? 170.
Google Scholar
11