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PAPR Reduction of OFDM Signals with Low Complexity EC-PTS Techniques
|引用:|| S. H. Han and J. H. Lee, "An overview of peak-to-average power ratio reduction techniques for multicarrier transmission," IEEE Wireless Commun., vol. 12, no. 2, pp. 56-65, Apr. 2005.  A. E. Jones, T. A. Wilkinson, and S. K. Barton, "Block coding scheme for reduction of peak to mean envelope power ratio of multicarrier transmission schemes," Elect. Lett., vol. 30, pp. 2098-2099, Dec. 1994.  K. G. Paterson, "Generalized Reed-Muller codes and power control in OFDM modulation," IEEE Trans. Inform. Theory, vol. 46, pp. 104-120, Jan. 2000.  H. Breiling, S. H. Muller-Weinfurtner, and J. B. Huber, "SLM peak power reduction without explicit side information," IEEE Commun. Lett., vol. 5, pp. 239-241, June 2001.  R. W. Bauml, R. F. H. Fischer, and J. B. Huber, "Reducing the peak-to-average power ratio of multicarrier modulation by selective mapping," Electron. Lett., vol. 32, no. 22, pp. 2056-2057, Sep. 1996.  S. H. Muller and J. B. Huber, "OFDM with reduced peak-to-average power ratio by optimum combination of partial transmit sequences," electron. Lett., vol. 33, no. 5, pp. 366-369, Feb. 1997.  C. Tellambura, "Improved phase factor computation for the PAR reduction of an OFDM signal using PTS," IEEE Commum. Lett., vol. 5, no. 4, pp. 135-137, Apr. 2001.  L. J. J. Cimini and N. R. Sollenberger, "Peak-to-average power ratio reduction of an OFDM signal using partial transmit sequences," IEEE Commum. Lett., vol. 4, pp. 86-88, Mar. 2000.  S. H. Han and J. H. Lee, "PAPR reduction of OFDM signals using a reduced complexity PTS technique," IEEE Sig. Proc. Lett., vol. 11, pp. 887-890, Nov. 2004.  O. J. Kwon and Y. H. Ha, "Multi carrier PAP reduction method using sub-optimal PTS with threshold," IEEE Trans. Broadcasting., vol. 49, no. 2, pp. 231-236, Jun. 2006.  C. Tellambura, "Computation of the continuous-time PAR of an OFDM signal with BPSK subcarriers," IEEE Commun Lett., vol. 5, pp. 185-187, Apr. 2001.  Y. Xin and I. J. Fair, "Error-control selective mapping coding for PAPR reduction in OFDM systems," in Proc. IEEE VTC''04., pp. 583-587, Sept. 2004.  L. Yang, R. S. Chen, Y. M. Siu, and K. K. Soo, "PAPR Reduction of an OFDM signal by use of low computional complexity," IEEE Trans Broadcasting., vo 52. NO. 1, pp. 83-86, Mar. 2006.|
In this thesis, we present a modified PTS method which combines binary Reed-Muller (RM) codes with minimal trellis to reduce PAPR in OFDM systems. We decompose a RM code as a direct sum of an error correcting subcode for information bits and a scrambling subcode for PAPR control bits. The proposed algorithm employs a low complexity minimal trellis on the scrambling subcode to find a good scrambling vector with low PAPR. This method provided error correction capability without side information.
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