Abstract
In OFDM systems, the same phase subcarriers add together and create signal peaks. These peaks create nonlinear distortion in the ADC and the amplifier. Clipping method can be used to remove the peaks before putting the OFDM signal into the ADC and the amplifier but the clipping also creates nonlinear noise that degrades the performance of OFDM system. In this paper, we propose a method for determining the bit error rate of clipped OFDM signal over Rayleigh and Rician fading channel. The BER equation is analyzed based on power spectral density function. We build equations and evaluate the analyzed results by simulation. The simulation results fit perfectly with BER equations at any different clipping ratio.
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Le Khoa, D., Anh, H.Q., Phuong, N.H., Ochi, H. (2016). Bit Error Rate Performance of Clipped OFDM Signals Over Fading Channel. In: Duy, V., Dao, T., Zelinka, I., Choi, HS., Chadli, M. (eds) AETA 2015: Recent Advances in Electrical Engineering and Related Sciences. Lecture Notes in Electrical Engineering, vol 371. Springer, Cham. https://doi.org/10.1007/978-3-319-27247-4_10
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DOI: https://doi.org/10.1007/978-3-319-27247-4_10
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