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线性规划的WOFDM系统峰均功率比优化算法

DOI: 10.13190/jbupt.201104.127.lium, PP. 127-131

Keywords: 峰均功率比,正交频分复用,小波变换,线性规划

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Abstract:

为了解决基于小波的正交频分复用(WOFDM)系统中较高的峰均功率比(PAPR)问题,提出了一个基于线性规划的PAPR优化方案.在小波滤波器组级数固定的条件下,设计线性规划优化模型,选择最优小波包基,利用最优小波包基调制信号使系统获得最优PAPR.分析和仿真实验结果表明,新算法在确保系统误码率的同时,可以明显抑制系统的PAPR.

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