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Improving the analysis of the direct-sequence spread spectrum receiver equipped with Wiener filter for interference rejection

A more refined analysis of the performance of the direct-sequence spread-spectrum receiver equipped with a Wiener filter for rejecting narrowband interference signals has been given. The new aspects of this analysis are the following: in calculating the bit error rate (BER) three data samples (instead of one) are taking into account, the BER is calculated at any discrete time, not only in the initial step as in done in the literature. Therefore our analysis provides the error evaluation at each moment with a higher degree of accuracy.