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Contrasting Orthogonal and Non-orthogonal Space-Time Schemes for Perfectly-Known and Estimated MIMO Channels

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3 Author(s)
Khalighi, M.-A. ; Inst. Fresnel, UMS CNRS, Marseille ; Helard, J.-F. ; Bourennane, S.

We consider the space-time coding issue in MIMO structures and compare the two potential choices of orthogonal and non-orthogonal schemes with a simple iterative detector for the latter case. We show that the choice of non-orthogonal schemes is quite rational and justified, regarding the substantial gain that we can obtain, compared to orthogonal coding. Two cases of perfectly-known channel at receiver and pilot-only-based channel estimation are studied

Published in:

Communication systems, 2006. ICCS 2006. 10th IEEE Singapore International Conference on

Date of Conference:

Oct. 2006