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Assessment of X-band earth-satellite link rain attenuation prediction in Malaysia

Badron, Khairayu and Ismail, Ahmad Fadzil and Hasan, Mohamad Kamrul and Ismail, Mazslan and Ooi, Sock Teng and Daim, Terence Jerome (2014) Assessment of X-band earth-satellite link rain attenuation prediction in Malaysia. Australian Journal of Basic and Applied Sciences, 8 (24). pp. 254-259. ISSN 1991-8178

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Abstract

Predicted rain fade values for an Earth-satellite link operating at X-band frequency had been generated using the latest ITU-R Recommendation, P618-11. Rain fade values for the very same link were also estimated using the "radar-derived attenuation" technique. The radar technique involves the exploitation of vertical polarization S-band meteorological radar reflectivity information to calculate the possible rain attenuation along the satellite propagation paths. All estimated rain fade values were then compared with the actual measured signal of RazakSAT’s X-band satellite transmission. The measured X-band (8 GHz) transmission signals were collected and analyzed at the Malaysian National Space Agency (NSA) space center. Objective: Preliminary findings concerning the feasibility of each estimation technique are presented in this paper. The research also attempts to investigate the validity of the mentioned rain attenuation estimation techniques. Results: Preliminary findings concerning the feasibility of each estimation technique are presented in this paper. The research also attempts to investigate the validity of the mentioned rain attenuation estimation techniques. Conclusion: Such knowledge can be considered critical for the design of reliable Earth-Space communication link and certainly can be used in the preliminary proposition plan for the link designers as well as engineers.

Item Type: Article (Journal)
Additional Information: 5457/40699
Uncontrolled Keywords: X-band Satellite, radar, ITU-R prediction
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA197 Engineering meteorology
Kulliyyahs/Centres/Divisions/Institutes: Kulliyyah of Engineering > Department of Electrical and Computer Engineering
Depositing User: NUURUL HUDAA MOHD SOBLI
Date Deposited: 21 Jan 2015 14:06
Last Modified: 21 Jan 2015 14:07
URI: http://irep.iium.edu.my/id/eprint/40699

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