Compressive Estimation of Doubly Selective Channels in Multicarrier Systems: Leakage Effects and Sparsity-Enhancing Processing

@article{Taubck2010CompressiveEO,
  title={Compressive Estimation of Doubly Selective Channels in Multicarrier Systems: Leakage Effects and Sparsity-Enhancing Processing},
  author={Georg Taub{\"o}ck and Franz Hlawatsch and Daniel Eiwen and Holger Rauhut},
  journal={IEEE Journal of Selected Topics in Signal Processing},
  year={2010},
  volume={4},
  pages={255-271}
}
We consider the application of compressed sensing (CS) to the estimation of doubly selective channels within pulse-shaping multicarrier systems (which include orthogonal frequency-division multiplexing (OFDM) systems as a special case). By exploiting sparsity in the delay-Doppler domain, CS-based channel estimation allows for an increase in spectral efficiency through a reduction of the number of pilot symbols. For combating leakage effects that limit the delay-Doppler sparsity, we propose a… CONTINUE READING
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