Reduced-complexity space-time turbo-equalization for frequency-selective MIMO channels

Authors:
G. Bauch;N. Al-Dhahir
Affiliations:
Inst. for Commun. Eng., Munich Univ. of Technol.;-
Venue:
IEEE Transactions on Wireless Communications
Year:
2002

Citing 0
Cited 2

Iterative MIMO turbo multiuser detection and equalization for STTrC-coded systems with unknown interference

EURASIP Journal on Wireless Communications and Networking - Special issue on multiuser MIMO networks
A new framework for soft decision equalization in frequency selective MIMO channels

IEEE Transactions on Communications

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Abstract

We consider turbo equalization of space-time-coded transmission over frequency-selective fading multiple-input-multiple-output (MIMO) channels. A MIMO finite-impulse-response prefilter is proposed and shown to reduce the turbo equalizer complexity significantly at a small performance loss. Advantages of the proposed scheme are that we do not alter the equalization algorithm or require the channel to be minimum phase. The prefiltered turbo equalizer is an attractive receiver structure for broadband wireless transmission using spectrally-efficient high-order modulation schemes as in EDGE.