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《Journal of Wuhan University of Technology(Transportation Science & Engineering)》 2008-04
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Research on Probability Method for Improving PAPR Property of OFDM Communication System

Jiang Hanhong1) Zhou Xuejun1) Li Qing2) Man Jiangtao2)(College of Electrical and information Eng.,Naval Univ.of Engineering,Wuhan 430033)1)(College of Information Eng.,Wuhan Univ.of Technology,Wuhan 430070)2)  
As an orthogonal multi carrier wave system,the OFDM communication system usually leads to a high ratio of peak to mean power,thus greatly decreases the communication quality.In this paper,the effect of PAPR for property is analyzed,principles of probability methods including SLM and PTS for improving PAPR property are discussed,the OFDM simulation system for embedded components of SLM and PTS is constructed based on MATLAB,and an improved algorithm of PTS is proposed.The results of theoretical analysis and simulation indicate that SLM and PTS can reduce the negative effect of OFDM communication system due to PAPR efficiently,and the PTS improved algorithm may reduce the complexity of transmitter of OFDM communication system while reducing the negative effect due to PAPR.
【Fund】: 国家自然科学基金委员会创新研究群体科学基金项目资助(批准号:50421703)
【CateGory Index】: TN919.3
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