2009•Unpublished venueRequires access

BER performance of OFDM system with channel impairments

Hassan A. Ahmed, Ahmed Iyanda Sulyman, Hossam S. Hassanein

Abstract

This paper analyzes the bit error rate (BER) performance of orthogonal frequency division multiplexing (OFDM) system. We derive the BER performance of OFDM system, and quantify the effects of channel impairments such as Doppler shift due to user mobility and high-power amplifier (HPA) distortion when amplifying the transmitted OFDM symbol. It is shown that the resulting inter-carrier interference (ICI) generated by these impairments becomes very significant in OFDM system, and severely degrades its BER performance. Simulation results match well and verify the analysis.

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Available abstract

Key concepts: Orthogonal frequency-division multiplexing, Bit error rate, Computer science, Interference (communication), Channel (broadcasting), Electronic engineering, Amplifier, Doppler frequency