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← TechnologyWhich consequence results when signal orthogonality fails in OFDM multiplexing?
A)Increased inter-carrier interference occurs✓
B)Symbol duration becomes exponentially shorter
C)Guard interval eliminates all interference
D)Power amplifier efficiency greatly increases
💡 Explanation
Increased inter-carrier interference arises because loss of orthogonality corrupts subcarriers, distorting symbol recovery; *orthogonality* maintains independent channels. Therefore, data corruption increases, rather than benefits from shorter symbols or amplifier improvements under ideal orthogonality maintenance.
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