Reduced Complexity Sphere Decoder for Spatial Modulation Detection Receivers

@article{Younis2010ReducedCS,
  title={Reduced Complexity Sphere Decoder for Spatial Modulation Detection Receivers},
  author={Abdelhamid Younis and Raed Mesleh and Harald Haas and Peter M. Grant},
  journal={2010 IEEE Global Telecommunications Conference GLOBECOM 2010},
  year={2010},
  pages={1-5}
}
In this paper a novel detection algorithm for spatial modulation (SM) based on sphere decoder (SD) tree search idea is proposed. The aim is to reduce the receiver complexity of the existing optimal decoder while maintaining an optimum performance. The algorithm performs a maximum likelihood (ML) search, only over those points that lie inside a sphere, centered at the received signal, of given radius. It is shown with the aid of analytical derivations, that for a SNR (signal-to-noise ratio… CONTINUE READING
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