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In-line interference mitigation techniques for spectral coexistence of GEO and NGEO satellites

By September 10, 2014 Industry News No Comments

SUMMARY

The interest towards the deployment of Low Earth Orbit (LEO)/Medium Earth Orbit (MEO) satellite systems in several frequency bands is increasing due to the requirement of low latency for real-time systems and high demand of broadband data. When the number of usable Non-Geostationary (NGEO) satellites, that is, LEO/MEO in space, increases, the frequency coexistence between the NGEO satellite systems with the already existing geostationary (GEO) satellite networks becomes a requisite. In this context, it is crucial to explore interference mitigation techniques between GEO and NGEO systems in order to allow their spectral coexistence. More specifically, in the coexistence scenario of GEO and NGEO satellite networks, in-line interference may be a serious problem, especially in the equatorial region. In this paper, we provide several frequency sharing studies in the context of the coexistence of an NGEO satellite link with another NGEO/GEO satellite link.

Sharma S. K. Chatzinotas S. and Ottersten. “In-line interference mitigation techniques for spectral coexistence of GEO and NGEO satellites” Wiley, 9 September 2014. Web. 10 September 2014.

http://onlinelibrary.wiley.com/doi/10.1002/sat.1090/abstract

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