Abstract
In this paper, we look at the combined effect of spatial and temporal correlation on low complexity max log MAP detector in the scenario of interference suppression. Since the max log MAP criteria is not directly related to the error probability, it is of considerable interest to study the error probability performance of this detector in practical scenario of correlated fading. We consider narrowband MIMO channel which experiences spatially and temporally correlated widesense stationary Rayleigh fading. Employing moment generating function (MGF)-based approach, we derive upper bounds of coded pairwise error probability (PEP) and study the effect of spatial and temporal correlation in the presence of non Gaussian interference. Analytical results are then validated by simulations which demonstrate that low complexity max log MAP detetor is not only characterised by full diversity but the degrading effect of temporal and spatial correlation is also less pronounced on this detector as compared to other linear detectors as MMSE.
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