Improved differential detection of chip-level differentially encoded direct-sequence spread-spectrum signals

@article{Colavolpe2002ImprovedDD,
  title={Improved differential detection of chip-level differentially encoded direct-sequence spread-spectrum signals},
  author={Giulio Colavolpe and Riccardo Raheli},
  journal={IEEE Trans. Wireless Communications},
  year={2002},
  volume={1},
  pages={125-133}
}
In a paper by Cavallini et al., chip-level differential encoding/detection for direct-sequence spread-spectrum signals was proposed to cope with frequency-nonselective fast fading channels. It was shown that, unlike in the additive white Gaussian noise channel, in time-varying fading channels the system performance may be considerably improved, especially when the spreading factor is increased. In this paper, noncoherent sequence detection, recently proposed by the authors, is the starting… CONTINUE READING
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