Effect of Nonlinear Power Amplifier and Carrier Frequency Offset on OFDMA Systems for WiBro Services 


Vol. 30,  No. 7, pp. 557-567, Jul.  2005


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  Abstract

We evaluate the BER performance of OFDMA system for Wibro services in frequency selective Rayleigh fading channel, considering the carrier frequency offset and the nonlinear high power amplifier. In the uplink OFDMA, nonlinear amplifier and frequency offset introduce larger BER degradation than in the downlink. We explain the reason and obtain the required output back-off of the nonlinear amplifier and value of frequency offset for good BER performance.

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  Cite this article

[IEEE Style]

H. Park and S. Choi, "Effect of Nonlinear Power Amplifier and Carrier Frequency Offset on OFDMA Systems for WiBro Services," The Journal of Korean Institute of Communications and Information Sciences, vol. 30, no. 7, pp. 557-567, 2005. DOI: .

[ACM Style]

Hee-Ra Park and Seung-Kuk Choi. 2005. Effect of Nonlinear Power Amplifier and Carrier Frequency Offset on OFDMA Systems for WiBro Services. The Journal of Korean Institute of Communications and Information Sciences, 30, 7, (2005), 557-567. DOI: .

[KICS Style]

Hee-Ra Park and Seung-Kuk Choi, "Effect of Nonlinear Power Amplifier and Carrier Frequency Offset on OFDMA Systems for WiBro Services," The Journal of Korean Institute of Communications and Information Sciences, vol. 30, no. 7, pp. 557-567, 7. 2005.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880