An Iterative MIMO-HSDPA Receiver Based On a K-Best-MAP Algorithm

@article{Mehlfhrer2006AnIM,
  title={An Iterative MIMO-HSDPA Receiver Based On a K-Best-MAP Algorithm},
  author={Christian Mehlf{\"u}hrer and Dominik Seethaler and Gerald Matz and Markus Rupp},
  journal={IEEE Globecom 2006},
  year={2006},
  pages={1-5}
}
We propose an iterative receiver for horizontally encoded MIMO systems like the PARC proposal for MIMO-HSDPA. Our receiver uses a K-best-MAP demodulator to provide the channel decoder with approximate log-likelihood ratios. The complexity of K-best-MAP is reduced by exploiting the CRC present in each encoded layer. We show that K-best-MAP with list update is superior to demodulation using a fixed candidate list. Finally, our numerical results demonstrate significant SNR gains as compared to a… CONTINUE READING

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