The finite-length multi-input multi-output MMSE-DFE
IEEE Transactions on Signal Processing
IEEE Transactions on Information Theory
Combined array processing and space-time coding
IEEE Transactions on Information Theory
A simple transmit diversity technique for wireless communications
IEEE Journal on Selected Areas in Communications
IEEE Journal on Selected Areas in Communications
The space-time trellis codes with improved performance for fading channels
International Journal of Internet Protocol Technology
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An iterative approach is developed for decoding Space Time Trellis Codes (STTCs) in frequency selective Multiple Input Multiple Output (MIMO) channels. The method uses the Partitioned Viterbi Algorithm (PVA) as an equaliser for the MIMO system. It is used iteratively with a STTC decoder that provides soft outputs using the Soft Output Viterbi Algorithm (SOVA). It is shown through simulation that the iterative procedure achieves a performance within 2.0dB of Maximum Likelihood (ML) decoding, at a FER of 10-2, but suffers a small diversity loss. It is also shown that the complexity of the iterative approach is lower than that of ML decoding.