Dynamic Orbit Determination for Geostationary Satellite Broadcasting of Highly Accurate Standard Frequency/Time Signal 


Vol. 27,  No. 4, pp. 331-337, Apr.  2002


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  Abstract

In this paper we propose extended Kalman filter (EKF)-trilateration method which associates EKF to conventional radiolocation technique, trilateration in order to improve the accuracy of dynamic orbit determination of geostationary satellite for broadcasting of highly accurate Standard Time/Frequency Signal (STFS). We then compare to analyze the time accuracies of three techniques which are differential mode, trilateration locating one of four calibrated earth stations on a neighboring country, and domestic-only baseline EKF-trilateration. Computer simulations have shown that in spite of domestic-only baseline EKF-trilateration of poor GDOP, it is possible to track and locate satellite with an accuracy of a few hundred meter which is the performance 10 times more accurate than trilateration can provide. Finally we can provide standard time service with the time accuracy better than a few ns (frequency stability : 10^-14 over 7 days) all around Korea peninsula.

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  Cite this article

[IEEE Style]

K. Lee, J. Yoon, J. Seo, "Dynamic Orbit Determination for Geostationary Satellite Broadcasting of Highly Accurate Standard Frequency/Time Signal," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 4, pp. 331-337, 2002. DOI: .

[ACM Style]

Kee-Hoon Lee, Jae-Cheol Yoon, and Jong-Soo Seo. 2002. Dynamic Orbit Determination for Geostationary Satellite Broadcasting of Highly Accurate Standard Frequency/Time Signal. The Journal of Korean Institute of Communications and Information Sciences, 27, 4, (2002), 331-337. DOI: .

[KICS Style]

Kee-Hoon Lee, Jae-Cheol Yoon, Jong-Soo Seo, "Dynamic Orbit Determination for Geostationary Satellite Broadcasting of Highly Accurate Standard Frequency/Time Signal," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 4, pp. 331-337, 4. 2002.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880