Time-varying impairments to OFDM signals can severely degrade the subcarrier orthogonality. In this paper, we analyze the ICI over time-varying channels, and present the method for analyzing the SIR. According to the ...Time-varying impairments to OFDM signals can severely degrade the subcarrier orthogonality. In this paper, we analyze the ICI over time-varying channels, and present the method for analyzing the SIR. According to the results of simulation, we find frequency offset and Doppler spread can both degrade the performance of OFDM systems.展开更多
文摘Time-varying impairments to OFDM signals can severely degrade the subcarrier orthogonality. In this paper, we analyze the ICI over time-varying channels, and present the method for analyzing the SIR. According to the results of simulation, we find frequency offset and Doppler spread can both degrade the performance of OFDM systems.
