Determination of fade margin for Ka band operating in equatorial region

Suhaimi, N.H.S and Badron, Khairayu and Ismail, Ahmad Fadzil and Ahmad, Yasser Asrul and Rahmat, M.H. (2018) Determination of fade margin for Ka band operating in equatorial region. Journal of Fundamental and Applied Sciences, 10 (2S). pp. 229-238. ISSN 1112-9867

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Abstract

Reliability of satellite-Earth communication links can be improved by ensuring the availability of adequate fade margin. Fade margin can be established from prediction methods and also determined from quantitative analyses. Malaysia is located in the equatorial region, where Ka band link experiences high attenuation due to rain. Most existing prediction methods were developed in temperate climate region and therefore might not be applicable for conditions in Malaysia. In this paper, study on the effect of rain on Ka-band satellite signals has been carried out. Ka band transmissions operating at frequency of 20.199 GHz from the MEASAT 5 satellite are being monitored at MEASAT Cyberjaya ground station. It has been observed that rain attenuations experienced by the Ka band link vary from 6 to 34 dB. The determined fade margins for 99.97% availability, typical quality of service (QoS) standard for communications and 99.7% availability, conventional (QoS) criterion for broadcast are 34 dB and 27 dB respectively.

Item Type:	Article (Journal)
Additional Information:	7539/60687
Uncontrolled Keywords:	: Ka band, satellite-earth communication, fade margin, rain attenuation, equatorial region
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK5101 Telecommunication. Including telegraphy, radio, radar, television T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK7800 Electronics. Computer engineering. Computer hardware. Photoelectronic devices
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Engineering Kulliyyah of Engineering > Department of Electrical and Computer Engineering
Depositing User:	Dr Yasser Asrul Ahmad
Date Deposited:	18 Apr 2018 15:06
Last Modified:	18 Apr 2018 15:06
URI:	http://irep.iium.edu.my/id/eprint/60687

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