Reduced complexity MMSE detection for BLAST architectures

@article{Bhnke2003ReducedCM,
  title={Reduced complexity MMSE detection for BLAST architectures},
  author={Ronald B{\"o}hnke and Dirk W{\"u}bben and Volker K{\"u}hn and Karl-Dirk Kammeyer},
  journal={GLOBECOM '03. IEEE Global Telecommunications Conference (IEEE Cat. No.03CH37489)},
  year={2003},
  volume={4},
  pages={2258-2262 vol.4}
}
Theoretical and experimental studies have shown that layered space-time architectures like the BLAST system can exploit the capacity advantage of multiple antenna systems in rich-scattering environments. We present a new efficient algorithm for detecting such architectures with respect to the MMSE criterion. This algorithm utilizes a sorted QR decomposition of the channel matrix and leads to a simple successive detection structure. The algorithm needs only a fraction of the computational effort… CONTINUE READING

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