Generalised space-time modelling of the MIMO channel applied to analysing and optimising transmit antenna configurations

Publisher:
IEEE
Publication Type:
Conference Proceeding
Citation:
Proceedings of IEEE International Conference on Communications, 2003, pp. 1978 - 1982
Issue Date:
2003-01
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For the purposes of macroscopic system design a space-time Rayleigh fading multiple-input multiple-output (MIMO) radio channel is modelled for an arbitrary transmit antenna configuration of three to six transmit antennas. A traditional ring of scatterers model is use to generate the space-time cross correlations and thence flat fading channel distortions. A general trend is demonstrated for a specific non-coherent modulation scheme where the optimality of different transmission frame lengths can be related to the well known autocorrelation functions; based on this trend two frame lengths are chosen for MIMO channel analysis. Several beneficial arbitrary transmit antenna configurations are obtained from this analysis using some typical arbitrary configurations, and some initial optimisation using a genetic algorithm, from which further possible optimisation is proposed.
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