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Space–Time Coding Techniques With Bit-Interleaved Coded Modulations for MIMO Block-Fading Channels

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3 Author(s)
Nicolas Gresset ; Mitsubishi Electr. ITE-TCL, Rennes ; LoÏc Brunel ; Joseph J. Boutros

The space-time bit-interleaved coded modulation (ST-BICM) is an efficient technique to obtain high diversity and coding gain on a block-fading multiple-input multiple-output (MIMO) channel. Its maximum-likelihood (ML) performance is computed under ideal interleaving conditions, which enables a global optimization taking into account channel coding. Thanks to a diversity upper bound derived from the Singleton bound, an appropriate choice of the time dimension of the space-time coding is possible, which maximizes diversity while minimizing complexity. Based on the analysis, an optimized interleaver and a set of linear precoders, called dispersive nucleo algebraic (DNA) precoders are proposed. The proposed precoders have good performance with respect to the state of the art and exist for any number of transmit antennas and any time dimension. With turbo codes, they exhibit a frame error rate which does not increase with frame length.

Published in:

IEEE Transactions on Information Theory  (Volume:54 ,  Issue: 5 )