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Electronics and Telecommunications Research Institute (한국전자통신연구원)
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Inter-carrier Interference Reduction Scheme for SFBC-OFDM Systems

  • Kim, Kyung-Hwa (LG Electronics) ;
  • Seo, Bangwon (Division of Electrical, Electronic and Control Engineering, Kongju National University)
  • Received : 2013.07.17
  • Accepted : 2014.03.18
  • Published : 2014.10.01
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Abstract

In this paper, we first analyze carrier-to-interference ratio performance of the space-frequency block coded orthogonal frequency-division multiplexing (SFBC-OFDM) system in the presence of phase noise (PHN) and residual carrier frequency offset (RCFO). From the analysis, we observe that conventional SFBC-OFDM systems suffer severely in the presence of PHN and RCFO. Therefore, we propose a new inter-carrier interference (ICI) self-cancellation method - namely, ISC - for SFBC-OFDM systems to reduce the ICI caused by PHN and RCFO. Through the simulation results, we show that the proposed scheme compensates the ICI caused by PHN and RCFO in Alamouti SFBC-OFDM systems and has a better performance than conventional schemes.

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References

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