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Least-mean-squared (LMS) adaptive filtering can be used to suppress narrow-band jamming in a direct sequence (DS) spread spectrum receiver. This paper compares the performance of adaptive lattice and adaptive transversal filter structures for single and multiple tone jammers. A Texas Instruments TMS32010-based test system is described-which allows the generation of bit-error-rate (BER) results for...
Least-mean-squared (LMS) adaptive filtering has been shown to be an effective technique for suppressing narrow-band jamming in a direct sequence spread spectrum receiver. Most investigations have assumed that perfect synchronization is available to the adaptive filter, i.e., synchronization is obtained prior to the jammer suppression. Unfortunately, this synchronization may be difficult or impossible...
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