Cholesky Factorization With Symmetric Permutation Applied to Detecting and Precoding Spatially Multiplexed Data Streams

@article{Kusume2007CholeskyFW,
  title={Cholesky Factorization With Symmetric Permutation Applied to Detecting and Precoding Spatially Multiplexed Data Streams},
  author={Katsutoshi Kusume and Michael Joham and Wolfgang Utschick and Gerhard Bauch},
  journal={IEEE Transactions on Signal Processing},
  year={2007},
  volume={55},
  pages={3089-3103}
}
We study computationally efficient spatial multiplexing transmission techniques aiming at high spectral efficiency. Two nonlinear transmission schemes based on the minimum mean-squared error criterion are considered in this paper: a detection scheme also known as V-BLAST and a precoding scheme called Tomlinson-Harashima precoding. The nonlinear techniques are known to be more powerful than simple linear filters, however, a large complexity overhead results. Initial proposals for the nonlinear… CONTINUE READING

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