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Robust signal constellations for spatial multiplexing in the presence of real fading propagation channels

By Bruno Clerckx, Danielle Vanhoenacker-Janvier, Claude Oestges, Luc Vandendorpe and IEEE International Conference on Communications


Spatial multiplexing is employed in MIMO communication systems to increase spectral efficiency. The performance of spatial multiplexing is highly dependent on the propagation conditions such as the richness of scattering, the presence of dominant components and the inter-element spacings. In this paper, new robust signal constellations for use in spatial multiplexing over real fading propagation channels are developed. It is shown that these new constellations are by far more robust against fading correlations and high Rice factor than the classical PSK and QAM constellations. With these new constellations, spatial multiplexing presents excellent symbol error rate performance whatever the propagation environment and the inter-element distance.Anglai

Year: 2003
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Provided by: DIAL UCLouvain
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