Three-Year Measurement by VSAT System and CCIR Estimation for Rain Attenuation in Ku-Band Satellite Channel

Jian KANG, Hiroshi ECHIGO, Koichi OHNUMA, Shigeo NISHIDA, Risaburo SATO

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Summary :

The reception level of a round-trip signal from a VSAT (Very Small Aperture Terminal) was monitored continuously for three years starting October 1991.For these experimental measurements, a commercial satellite channel (up-link 14GHz/downlink 12GHz, bandwidth 100kHz) was used and rainfall was measured simultaneously. Data gathering time interval of 2 seconds was adopted to elucidate very rapid variation and lower percentage statistics. In this paper, attenuation due to rainfall is shown using the data obtained in this three-year period. It is shown that so far, the measured rain attenuation agrees very well with the values estimated using the CCIR model, and limits the range where the cumulative time exceeds 0.01%, even for our VSAT system in Tagajo, Miyagi Prefecture, Japan.

Publication
IEICE TRANSACTIONS on Communications Vol.E79-B No.5 pp.722-726
Publication Date
1996/05/25
Publicized
Online ISSN
DOI
Type of Manuscript
LETTER
Category
Antennas and Propagation

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