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Peak-to-Average Power Ratio Reduction Using N-tuple Selective Mapping Method for MC-CDMA

  • Ali, Sajjad (School of Information and Communication Engineering, Dalian University of Technology) ;
  • Chen, Zhe (School of Information and Communication Engineering, Dalian University of Technology) ;
  • Yin, Fuliang (School of Information and Communication Engineering, Dalian University of Technology)
  • Received : 2014.05.28
  • Accepted : 2014.11.12
  • Published : 2015.04.01
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Abstract

The multi-carrier transmission signal in Multi-Carrier Code Division Multiple Access (MC-CDMA) has a high peak-to-average power ratio (PAPR), which results in nonlinear distortion and deteriorative system performance. An n-tuple selective mapping method is proposed to reduce the PAPR, in this paper. This method generates $2^n$ sequences of an original data sequence by adding n-tuple of n PAPR control bits to it followed by an interleaver and error-control code (ECC) to reduce its PAPR. The convolutional, Golay, and Hamming codes are used as ECCs in the proposed scheme. The proposed method uses different numbers of the n PAPR control bits to accomplish a noteworthy PAPR reduction and also avoids the need for a side-information transmission. The simulation results authenticate the effectiveness of the proposed method.

Keywords

References

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