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Inline interference mitigation techniques for spectral coexistence of GEO and NGEO satellites
SnT - securityandtrust.lu, University of Luxembourg, L-2721, Luxembourg.ORCID-id: 0000-0003-2298-6774
2013 (engelsk)Inngår i: 31st AIAA International Communications Satellite Systems Conference: ICSSC 2013, 2013Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

The requirement of low latency for real time systems and high demand of broadband data are leading to the rapid deployment of Low Earth Orbit (LEO)/Medium Earth Orbit (MEO) satellite systems in several frequency bands. When the number of usable non-geostationary (NGEO) satellites i.e., LEO/MEO in space increases, the need for frequency coexistence between the NGEO satellite systems with the already existing geostationary (GEO) satellite networks increases rapidly. 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 and it arises whenever an NGEO satellite passes through a line of sight path between a GEO earth station and a GEO satellite. In this paper, we carry out interference analysis between GEO and NGEO systems considering the case of O3b satellite systems and propose an adaptive power control technique for both the uplink and the downlink coexistence scenarios in order to mitigate the in-line interference. Furthermore, we provide several cognitive solutions for mitigating the in-line interference.

sted, utgiver, år, opplag, sider
2013.
Emneord [en]
Cognitive radio techniques, Dual satellite coexistence, O3b satellites, Satellite communications
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-138999DOI: 10.2514/6.2013-5624Scopus ID: 2-s2.0-84887241864ISBN: 978-162410244-8 (tryckt)OAI: oai:DiVA.org:kth-138999DiVA, id: diva2:682138
Konferanse
31st AIAA International Communications Satellite Systems Conference, ICSSC 2013; Florence, Italy, 14-17 October, 2013
Merknad

QC 20140617

Tilgjengelig fra: 2013-12-23 Laget: 2013-12-23 Sist oppdatert: 2022-06-23bibliografisk kontrollert

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Ottersten, Björn

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