State-space approach to spatially correlated MIMO OFDM channel estimation

@article{Enescu2007StatespaceAT,
  title={State-space approach to spatially correlated MIMO OFDM channel estimation},
  author={Mihai Enescu and Timo Roman and Visa Koivunen},
  journal={Signal Processing},
  year={2007},
  volume={87},
  pages={2272-2279}
}
In this paper we address the problem of channel parameter estimation and tracking for multiple-input-multiple-output (MIMO) OFDM systems where the channels are spatially correlated. Starting from the OFDM transmission model with independent MIMO channels, we derive a state-space model that accounts for a spatial correlation structure. An advanced spatial MIMO correlation model validated by measurements is used. The parameters describing the dynamics of the state (i.e. the state transition… CONTINUE READING
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