NDLI: Modified ITU-R rain attenuation model for equatorial climate

Content Provider	IEEE Xplore Digital Library
Author	Mandeep, J.S. Ooi Wen Hui Abdullah, M. Tariqul, M. Ismail, M. Suparta, W. Yatim, B. Menon, P.S. Abdullah, H.
Copyright Year	2011
Description	Author affiliation: Institute of Space Science, Faculty of Engineering & Built Environment, Universiti Kebangsaan Malaysia, 43600UKM, Bangi, Selangor Darul Ehsan, Malaysia (Tariqul, M.; Suparta, W.; Yatim, B.) \|\| Department of Electrical, Electronic & Systems Engineering, Faculty of Engineering & Built Environment, Universiti Kebangsaan Malaysia, 43600UKM, Bangi, Selangor Darul Ehsan, Malaysia (Mandeep, J.S.; Ooi Wen Hui; Abdullah, M.; Ismail, M.; Abdullah, H.) \|\| Institute of Microngineering and Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia (UKM), 43600 UKM Bangi, Selangor Darul Ehsan, Malaysia (Menon, P.S.)
Abstract	Rain attenuation has become the major factor in the performance of satellite communication links due to the high rainfall rate in tropical climates. It has become the main constraint when designing the satellite communication services especially above 10 GHz. Several research evidences show that ITU-R rain attenuation model is not exactly performing well in tropical climates. Therefore, the main concern of this paper is to present a modified ITU-R rain attenuation model in tropical climates. This modified ITU-R rain attenuation model has been implemented based on the measurement of 3 years (2008–2010) data on terrestrial rainfall rate and rain attenuation in USM Nibong Tebal, Malaysia from satellite SuperBird-C. Cumulative rain rate, frequency and elevation angle are the main parameter in modifying the ITU-R rain attenuation model. A curve fitting analysis method is used to modify the existing ITU-R rain attenuation model. The coefficients of ITU-R rain attenuation model has been modified based on the measured value in tropical climates. Comparison in term of the rain attenuation prediction error is made between the modified ITU-R rain attenuation model and existing ITU-R rain attenuation model. Based from the result, the modify ITU-R rain attenuation model has reduced the attenuation prediction error. This result shows that modified ITU-R rain attenuation model has significantly improved the rain attenuation prediction error in tropical climates. Therefore the modified ITU-R rain attenuation model is suitable to implement in tropical climates sites that having the heavy rainfall rate throughout the year.
Starting Page	89
Ending Page	92
File Size	603583
Page Count	4
File Format	PDF
ISBN	9781457705632
e-ISBN	9781457705649
e-ISBN	9781457705625
DOI	10.1109/IConSpace.2011.6015858
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-07-12
Publisher Place	Malaysia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Rain Propagation Prediction Model Rain Attenuation Predictive models Attenuation measurement Attenuation Data models Mathematical model Satellite Communication
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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