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International Journal of Antennas and Propagation
Volume 2012, Article ID 415398, 5 pages
http://dx.doi.org/10.1155/2012/415398
Research Article

Comparison of Measured Rain Attenuation in the 12.25 GHz Band with Predictions by the ITU-R Model

1Department of Information and Communications Engineering, Chosun University, No. 375 Seosuk-dong, Dong-gu, Gwangju 501-759, Republic of Korea
2Department of Radio Mobile Communications Engineering, Honam University, No. 330 Eodeungno, Gwangsan-gu, Gwangju 506-714, Republic of Korea
3Department of Computer Science and Engineering, Chosun University, No. 375 Seosuk-dong, Dong-gu, Gwangju 501-759, Republic of Korea

Received 22 February 2011; Revised 19 July 2011; Accepted 20 July 2011

Academic Editor: Mandeep Jit Singh

Copyright © 2012 Dong You Choi et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Quantitative analysis and prediction of radio attenuation is necessary in order to improve the reliability of satellite-earth communication links and for economically efficient design. For this reason, many countries have made efforts to develop their own rain attenuation prediction models that are suited to their rain environment. In this paper, we present the results of measurements of rain-induced attenuation in vertically polarized signals propagating at 12.25 GHz during certain rain events, which occurred in the rainy wet season of 2001 and 2007 at Yong-in, Korea. The rain attenuation over the link path was measured experimentally and compared with the attenuation obtained using the ITU-R model.