抑制OFDM信号PAPR的改进脉冲整形

doi:10.3969/j.issn.1000-436x.2012.12.020

Abstract

Abstract:

An improved Nyquist pulse was presented.The proposed pulse waveform can significantly reduce the PAPR and keep the system BER invariant at the same time,but at the expense of a little spectrum loss.Simulation results show that the proposed shaping pulse can get better performance of PAPR compared to traditional raised cosine pulse and flipped-exponential pulse.It is an effective method with low complexity to reduced the PAPR of OFDM signal by pulse shapping with the proposed nyquist pulse.

Key words: OFDM, pulse shaping, PAPR, BER

Zhuo-ming FENG,Wei-zhong LIU,Xiong-fei TAO,Bai-yun LUO. Improved pulse shaping for PAPR reduction of OFDM signal[J]. Journal on Communications, 2012, 33(12): 154-160.

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References 13

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N	频带冗余率/%	PAPR0/dB
N=96	25	4.15
N=104	18.75	5.01
N=112	12.5	5.89
N=116	9.38	6.25
N=120	6.25	6.73
N=124	3.13	6.88
N=126	1.59	6.94

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Improved pulse shaping for PAPR reduction of OFDM signal

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