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

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2 Author(s)
Narayanan, K.R. ; Sch. of Electr. & Comput. Eng., Georgia Inst. of Technol., Atlanta, GA, USA ; Doherty, J.F.

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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Communications, IEEE Transactions on  (Volume:45 ,  Issue: 7 )