A new partial transmit sequence scheme using genetic algorithm for peak-to-average power ratio reduction in a multi-carrier code division multiple access wireless system

Authors:
Yang Zhang;Qiang Ni;Hsiao-Hwa Chen
Affiliations:
Electronic and Computer Engineering, School of Engineering and Design, Brunel University, West London UB8 3PH, UK.;Electronic and Computer Engineering, School of Engineering and Design, Brunel University, West London UB8 3PH, UK.;Department of Engineering Science, National Cheng Kung University, Tainan City 70101, Taiwan ROC
Venue:
International Journal of Autonomous and Adaptive Communications Systems
Year:
2009

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Abstract

One major drawback of multi-carrier broadband wireless transmission system is that its signal may cause high peak-to-average power ratio (PAPR). This article proposes a new partial transmit sequence (PTS) scheme using genetic algorithm for PAPR reduction in a synchronous multi-carrier code division multiple access wireless system. We investigate the impact of each genetic algorithm operator and optimally configure genetic algorithm to be suitable for the practical system design. The simulation results demonstrate that our proposed genetic algorithm-based PTS scheme achieves low PAPR values with much lower computational complexity than other existing solutions. Meanwhile, the optimal parameters of genetic algorithm assisted PTS are provided.