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改进PTS技术和改进阈值限幅法结合的PAPR降低方法

DOI: 10.11830/ISSN.1000-5013.2014.05.0492

Keywords: 多载波调制, 正交小波包复用, 峰值平均功率比, 阈值限幅, 部分传输序列

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Abstract:

针对阈值限幅法误码率极大和部分传输序列(PTS)技术复杂度高的问题,提出一种改进的基于阈值限幅和PTS技术的正交小波包复用(OWPM)系统高峰均功率比(PAPR)降低方法.仿真结果表明:改进后的算法性能得到提升,且经阈值限幅法和PTS技术联合处理后,能够在尽量不影响原系统误码率性能的前提下,更好地降低系统PAPR值,同时也降低了系统计算复杂度.

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