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Coding for MIMO Systems Using Matrix-Alamouti and Multi-User Detection Techniques
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DOI：10.1109/T-WC.2008.060452.png)
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Abstract
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We investigate a space-time coding scheme with four or more transmit antennas based on a, matrix-Alamouti scheme in a quasi-static fading environment. The receiver consists of an Alamouti combiner followed by an iterative joint detection and decoding process. A priori probabilities fed back from the decoder are used to both get more reliable estimates of the transmitted symbols and efficiently remove inter-block interference. Inter-block interference is removed using techniques known in multiuser communication. The theoretical bounds of this scheme are established through the study of its outage probability.
Keywords:
Multiple-antenna channels
space-time coding
iterative decoding
multi-user detection
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