Investigation of the Unified Rain Attenuation Prediction Method With Data From Tropical Climates

Author

Abdulrahman, A.Y. ; Rahman, T.A. ; Rafiqul, M. Islam ; Olufeagba, B.J. ; Abdulrahman, T.A. ; Akanni, J. ; Amuda, S.A.Y.

Author_Institution

Wireless Commun. Center, Univ. Teknol. Malaysia, Johor Bahru, Malaysia

Volume

13

fYear

2014

fDate

2014

Firstpage

1108

Lastpage

1111

Abstract

The semi-empirical method recently proposed by Silva Mello and Pontes (SMP) for the prediction of rain attenuation in slant paths is investigated in this letter. The SMP method uses the simplified model of equivalent rain cell and the concept of an effective rain rate. However, substantial deviations were observed in SMP predictions when compared to the rain cell diameters derived from experimental data. The measured rain rates and attenuations were obtained from three tropical climates (Australia, and USM and IIUM both in Malaysia). The measured rain attenuation complementary cumulative distributions (CCDs) were also compared to SMP and the Rec. ITU-R P. 618-11. The test results show that the ITU-R model performs much better compared to SMP method in the three tropical climates.

Keywords

climatology; radiowave propagation; Australia; IIUM; Malaysia; SMP method; Silva Mello-and-Pontes method; USM; complementary cumulative distributions; effective rain rate concept; equivalent rain cell model; slant paths; tropical climates; unified rain attenuation prediction method; Antenna measurements; Attenuation; Attenuation measurement; Predictive models; Rain; Satellites; Correction factor; ITU-R 618-11; Silva Mello and Pontes (SMP) method; effective rain height; rain attenuation complementary cumulative distribution (CCD); rain cell diameter; tropical climates;

fLanguage

English

Journal_Title

Antennas and Wireless Propagation Letters, IEEE

Publisher

ieee

ISSN

1536-1225

Type

jour

DOI

10.1109/LAWP.2014.2329778

Filename

6832429