A virtual representation for time- and frequency-selective correlated MIMO channels

@article{Sayeed2003AVR,
  title={A virtual representation for time- and frequency-selective correlated MIMO channels},
  author={Akbar M. Sayeed},
  journal={2003 IEEE International Conference on Acoustics, Speech, and Signal Processing, 2003. Proceedings. (ICASSP '03).},
  year={2003},
  volume={4},
  pages={IV-648}
}
A key to reliable communication is a fundamental understanding of the interaction between the signal space and the channel. In time- and frequency-selective MIMO (space-time) fading channels this interaction happens in time, frequency and space. In this paper we propose a four-dimensional Karhunen-Loeve-like virtual representation for space-time channels that captures the essence of such interaction and exposes the intrinsic degrees of freedom in the channel. The four dimensions are: time… CONTINUE READING

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