In Orthogonal Frequency Division Multiplexing (OFDM) communication, which consequence results when phase noise increases in local oscillators used for signal demodulation?

💡 Explanation

Increased phase noise causes inaccuracies in the demodulation because the **Fast Fourier Transform (FFT)** demodulator misinterprets frequency components as separate, interfering carriers rather than true data symbols, therefore raising ICI, rather than improving SNR.

• Which unstable aircraft behavior arises when excessive sideslip occurs at high angles of attack?
• Which risk dramatically increases when distributed power grid operators disable a portion of a phased array radar causing excessive voltage?
• Which outcome generally occurs when stiction impairments limit a hydrostatic actuator control?
• Which outcome is caused when a positive displacement pump exceeds the system's maximum allowable working pressure (MAWP)?
• In a high-pressure hydraulic actuator system, which outcome is associated with exceeding the net positive suction head (NPSH)?
• Which outcome occurs downstream in refrigeration system when expansion valve malfunctions, excessively releasing refrigerant?