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PAPR Reduction of Complex Wavelet Packet Modulation (CWPM) System using a Novel Hybrid Technique over Selective Rayleigh Fading Channel | ||
| Journal of Engineering and Sustainable Development | ||
| Article 1, Volume 17, Issue 1, 2013, Pages 100-113 | ||
| Authors | ||
| Fadhil S. Hasan; Majid A. Alwan; Hikmat N. Abdullah | ||
| Abstract | ||
| High Peak to Average Power Ratio (PAPR) of transmitted signal is one of the major drawbacks of the complex wavelet packet modulation (CWPM). Utilizing the advantage of concentrating the energy to certain subspaces of the discrete wavelet transform, the performance of three methods to reduce PAPR in CWPM are investigated. These are: threshold method, clipping method and a proposed hybrid method combines the two previous ones (called TC method). The performance of the CWPM system has been measured by Bit Error Rate (BER) degradation, PAPR reduction and CCDF. The results show that the proposed hybrid technique gives higher PAPR reduction with less degradation in BER. | ||
| Keywords | ||
| Complex Wavelet Packet Modulation; Peak Average Power Ratio Reduction; Selective Rayleigh Fading Channel | ||
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