Minimum Distance Based Precoder for MIMO-OFDM Systems Using a 16-QAM Modulation

@article{Ngo2009MinimumDB,
  title={Minimum Distance Based Precoder for MIMO-OFDM Systems Using a 16-QAM Modulation},
  author={Quoc-Tuong Ngo and Olivier Berder and Baptiste Vrigneau and Olivier Sentieys},
  journal={2009 IEEE International Conference on Communications},
  year={2009},
  pages={1-5}
}
A precoder based on the exact optimization of the minimum Euclidean distance dmin between signal points at the receiver side is proposed for MIMO-OFDM systems using a 16-QAM modulation. Assuming that channel state information (CSI) can be made available at the transmitter, the channel is diagonalized and a precoder can be derived. A numerical approach shows that the precoder design depends on the channel characteristics, leading to 8 different precoder expressions. Comparisons with maximum… CONTINUE READING
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