Joint channel equalization and detection of Spectrally Efficient FDM signals

@article{Chorti2010JointCE,
  title={Joint channel equalization and detection of Spectrally Efficient FDM signals},
  author={Arsenia Chorti and Ioannis Kanaras and Miguel R. D. Rodrigues and Izzat Darwazeh},
  journal={21st Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications},
  year={2010},
  pages={177-182}
}
This paper investigates the transmission in time dispersive channels of Spectrally Efficient Frequency Division Multiplexed (SEFDM) signals, where carrier orthogonality is intentionally violated in order to increase bandwidth efficiency. Sufficient statistics of the transmitted SEFDM signal can be obtained by projecting the received signal onto an orthonormal base generated at the receiver using an Iterative Modified Gram Schmidt (IMGS) procedure. In order to reduce the computational complexity… CONTINUE READING

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  • We show that it is possible to detect optimally SEFDM signals of small dimensionality (e.g. N = 32), with up to 20% bandwidth gain with respect to OFDM systems of the same symbol-rate.

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