Open Access

Investigations in Satellite MIMO Channel Modeling: Accent on Polarization

  • Péter Horváth1Email author,
  • George K. Karagiannidis2,
  • Peter R. King3,
  • Stavros Stavrou3 and
  • István Frigyes1
EURASIP Journal on Wireless Communications and Networking20072007:098942

DOI: 10.1155/2007/98942

Received: 30 September 2006

Accepted: 19 March 2007

Published: 7 May 2007

Abstract

Due to the much different environment in satellite and terrestrial links, possibilities in and design of MIMO systems are rather different as well. After pointing out these differences and problems arising from them, two MIMO designs are shown rather well adapted to satellite link characteristics. Cooperative diversity seems to be applicable; its concept is briefly presented without a detailed discussion, leaving solving particular satellite problems to later work. On the other hand, a detailed discussion of polarization time-coded diversity (PTC) is given. A physical-statistical model for dual-polarized satellite links is presented together with measuring results validating the model. The concept of 3D polarization is presented as well as briefly describing compact 3D-polarized antennas known from the literature and applicable in satellite links. A synthetic satellite-to-indoor link is constructed and its electromagnetic behavior is simulated via the FDTD (finite-difference time-domain) method. Previous result of the authors states that in 3D-PTC situations, MIMO capacity can be about two times higher than SIMO (single-input multiple-output) capacity while a diversity gain of nearly is further verified via extensive FDTD computer simulation.

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Authors’ Affiliations

(1)
Department of Broadband Infocommunications and Electromagnetic Theory, Budapest University of Technology and Economics
(2)
Division of Telecommunications, Department of Electrical and Computer Engineering, Aristotle University of Thessaloniki
(3)
Centre for Communication Systems Research, University of Surrey

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Copyright

© Péter Horváth et al. 2007

This article is published under license to BioMed Central Ltd. 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.