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基于脉冲成形技术的全相位OFDM系统PAPR降低算法 被引量:3

Peak-to-Average Power Ratio Reduction Method for All-phase OFDM Systems Based on Pulse Shaping Technology
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摘要 在OFDM系统中给出了基于全相位快速傅里叶变换的脉冲成形技术抑制PAPR算法.该算法将原始数据序列和成形脉冲矩阵相乘产生新序列,使多载波的各子载波符号间具有一定的相关性,从而改善信号的PAPR特性.建立了该算法在全相位OFDM系统中的数学模型,仿真验证了该算法有良好的PAPR抑制性能. A method was provided to reduce the PAPR,which was based on all-phase FFT and pulse shaping technology.The new pulse sequences in this method can be generated by multiplying the raw data sequence and the forming pulse matrices,so that a certain correlation can exist between sub-carrier symbols of the multi-carriers.A mathematical model was set up for this method in the all-phase OFDM systems.Some simulations showed that the method can reduce PAPR very well.
作者 张亮
出处 《南开大学学报(自然科学版)》 CAS CSCD 北大核心 2012年第1期41-45,共5页 Acta Scientiarum Naturalium Universitatis Nankaiensis
关键词 全相位OFDM 峰均功率比 脉冲成形技术 peak-to-average power ratio all-phase FFT pulse shaping
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参考文献19

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共引文献11

同被引文献14

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