Channel Estimation and Optimal Training Design for Amplify and Forward MIMO Relay Channel under Spatial Fading Correlation

@article{Pang2010ChannelEA,
  title={Channel Estimation and Optimal Training Design for Amplify and Forward MIMO Relay Channel under Spatial Fading Correlation},
  author={Jiyong Pang and Gang Shen and Dongyao Wang and Lei Jiang and Wei Wang},
  journal={2010 IEEE 72nd Vehicular Technology Conference - Fall},
  year={2010},
  pages={1-5}
}
In this paper, we study the channel estimation problem for time division multiplex amplify-and-forward (AF) relay channels. Both the source and the destination and also the in-between relay node comprise multiple antennas, and there are spatial fading correlations in each hop. We first derive a linear minimum mean square error (LMMSE) channel estimator from a simple scenario where there are no correlations among the relay antennas to a more general scenario where the multiple relay antennas are… CONTINUE READING

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