Some Preamble Design Aspects in CP-OFDM Systems

@article{Katselis2012SomePD,
  title={Some Preamble Design Aspects in CP-OFDM Systems},
  author={Dimitrios Katselis},
  journal={IEEE Communications Letters},
  year={2012},
  volume={16},
  pages={356-359}
}
A fundamental problem in training-based channel estimation for various communication systems is the preamble design. Two crucial aspects in such a design are the achievable mean square error (MSE) and the corresponding peak-to-average power ratio (PAPR). In this letter, preamble-based least squares (LS) channel estimation in CP-OFDM systems is considered. Ignoring the PAPR aspect, several MSE-optimal preambles and a necessary condition for their existence are presented. To this end, a training… CONTINUE READING

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