A convex projections method for improved narrow-band interference rejection in direct-sequence spread-spectrum systems

  title={A convex projections method for improved narrow-band interference rejection in direct-sequence spread-spectrum systems},
  author={Krishna R. Narayanan and John F. Doherty},
  journal={IEEE Trans. Commun.},
A method is presented for enhancing the narrow-band interference rejection capability of direct-sequence spread-spectrum systems employing an adaptive notch filter. The method, based on projection onto convex sets, restores that part of the spread-spectrum signal distorted by the filter. Simulation results are presented which show the output bit-error rate (BER) improvement gained by using the signal restoration scheme. 

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