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Which consequence results when intersymbol interference overwhelms guard intervals in time-division multiplexing?

A)Decreased power amplifier back-off
B)Increased bit error rate occur
C)Reduced constellation diagram size
D)Improved spectral efficiency results

💡 Explanation

Increased bit error rate appears because intersymbol interference causes signal distortion in time-division multiplexing. The guard interval mechanism is overwhelmed, causing adjacent symbols to overlap; therefore, recovery is difficult, rather than decreased errors under ideal conditions.

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