Baseband Signal Compensation Scheme for Frequency Selective Fading Channel and RF Impairments in OFDM System 


Vol. 35,  No. 1, pp. 55-64, Jan.  2010


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  Abstract

In this paper, we propose a new compensation scheme for combined channel distortions and RF impairments based on the analysis of the impacts of IQ(In-phase/Quadrature) imbalance and phase noise on the OFDM(Orthogonal Frequency Division Multiplexing) system in the direct conversion transceiver and frequency selective fading channel distortion. The proposed scheme estimates the combined distortion by the use of training symbols and the residual distortion by pilot symbols and compensates the combined distortion, including IQ imbalance, phase noise and multipath fading at the same time. The simulation results show that the proposed scheme compensates the combined distortion of IQ imbalance, phase noise and multipath fading simultaneously.

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  Cite this article

[IEEE Style]

J. Kim, J. Kim, J. Hwang, D. Shin, J. Ahn, "Baseband Signal Compensation Scheme for Frequency Selective Fading Channel and RF Impairments in OFDM System," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 1, pp. 55-64, 2010. DOI: .

[ACM Style]

Jae-kil Kim, Jeong-been Kim, Jinyong Hwang, Dong-chul Shin, and Jaemin Ahn. 2010. Baseband Signal Compensation Scheme for Frequency Selective Fading Channel and RF Impairments in OFDM System. The Journal of Korean Institute of Communications and Information Sciences, 35, 1, (2010), 55-64. DOI: .

[KICS Style]

Jae-kil Kim, Jeong-been Kim, Jinyong Hwang, Dong-chul Shin, Jaemin Ahn, "Baseband Signal Compensation Scheme for Frequency Selective Fading Channel and RF Impairments in OFDM System," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 1, pp. 55-64, 1. 2010.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880