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Which consequence results when the raised-cosine filter exhibits excessive intersymbol interference during signal processing?

A)Increased effective channel bandwidth
B)Higher bit error rate detected
C)Improved spectral efficiency present
D)Reduced receiver noise floor seen

💡 Explanation

Higher bit error rate results, because signal processing experiences errors when the filtering profile generates overlapping symbols via intersymbol interference. Therefore, the receiver incorrectly determines the state of the bit, rather than correctly decoding the transmitted sequence from the signal.

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