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Effect of Atmospheric Parameters on Satellite Link |
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| Authors: | J S Mandeep and K Tanaka |
| Affiliation: | (1) School of Electrical and Electronic Engineering, Universiti Sains Malaysia, 14300 Nibong Tebal, Seberang Perai Selatan, Pulau Pinang, Malaysia;(2) National Institute of Information and Communications Technology, 4-2-1, Nukui-kita, Koganei, Tokyo, Japan |
| Abstract: | The rainfall path attenuation measured at Universiti Sains Malaysia (USM) for 4 years (January 02 to January 06) is presented. The data obtained are useful to investigate the impairment due to rainfall attenuation in satellite links operating in tropical and equatorial climates. It shows that the logarithmic function with ground rain rate deviates at very high rain rate. A rainfall rate of 130 mm/h causes the rainfall attenuation threshold (> 20 dB) to be exceeded. Maximum exceedences for rain rate and attenuation were observed during the wet months. The cumulative distributions of attenuation derived from the measured data are presented and compared with those obtained with existing prediction methods. |
| Keywords: | Rain attenuation Rain rate Ku-band Satellite system |
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