BER performance of OFDM system with channel impairments

Author

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

Author_Institution

Electr. & Comput. Eng. Dept., Queen´´s Univ., Kingston, ON, Canada

fYear

2009

fDate

20-23 Oct. 2009

Firstpage

1027

Lastpage

1032

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.

Keywords

OFDM modulation; error statistics; intercarrier interference; wireless channels; BER performance; Doppler shift; OFDM system; bit error rate; channel impairments; high-power amplifier distortion; intercarrier interference; orthogonal frequency division multiplexing; user mobility; Bit error rate; Computer networks; Degradation; Doppler shift; Frequency estimation; High power amplifiers; Interference; Nonlinear distortion; OFDM; WiMAX;

fLanguage

English

Publisher

ieee

Conference_Titel

Local Computer Networks, 2009. LCN 2009. IEEE 34th Conference on

Conference_Location

Zurich

Print_ISBN

978-1-4244-4488-5

Electronic_ISBN

978-1-4244-4487-8

Type

conf

DOI

10.1109/LCN.2009.5355025

Filename

5355025