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IEEE International Symposium on Information Theory, 2003. Proceedings.
We consider multi-antenna systems employing space-time coding over quasi-static Rayleigh fading channels. We prove that by selecting a subset of the antennas t h a t observe the largest instantaneous signal-to-noise ratios (SNRs) at the receiver one can achieve the same diversity order as the full complexity system, provided that the sub-channels are independent and the underlying space-time code has full spatial diversity. 93 0-7803-7728-1/03/$17.00 02003 IEEE.doi:10.1109/isit.2003.1228107 fatcat:q7cwrlk74ngmddbcrllmozomii