MMSE-based fractional turbo receiver for space-time BICM over frequency-selective MIMO fading channels

Authors:
X. Wautelet;A. Dejonghe;L. Vandendorpe
Affiliations:
Commun. & Remote Sensing Lab., Univ. Catholique de Louvain, Louvain-la-Neuve, Belgium;-;-
Venue:
IEEE Transactions on Signal Processing
Year:
2004

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Abstract

Space-time bit-interleaved coded multilevel modulation over frequency-selective multiple-input multiple-output (MIMO) fading channels is considered. The receiver is turbo based. A soft-input soft-output (SISO) space-time fractionally spaced equalizer is designed for the minimum mean square error (MMSE) criterion. Simulation results show the ability of the receiver to account for intersymbol interference, co-antenna interference, and its capability to exploit transmit, multipath, and receive diversity. These results are also compared to a bit-error-rate lower bound.