Adaptive Peak-to-average Power Ratio Reduction Method for ProlateSpheroidal Wave Function Orthogonal Modulation Signal

WANG Hongxing; LU Faping; LIU Chuanhui; LIU Xiao

doi:10.11999/JEIT160139

Volume 39 Issue 1

Jan. 2017

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Article Navigation > Journal of Electronics & Information Technology > 2017 > 39(1): 75-81

WANG Hongxing, LU Faping, LIU Chuanhui, LIU Xiao. Adaptive Peak-to-average Power Ratio Reduction Method for ProlateSpheroidal Wave Function Orthogonal Modulation Signal[J]. Journal of Electronics & Information Technology, 2017, 39(1): 75-81. doi: 10.11999/JEIT160139

Citation:

WANG Hongxing, LU Faping, LIU Chuanhui, LIU Xiao. Adaptive Peak-to-average Power Ratio Reduction Method for ProlateSpheroidal Wave Function Orthogonal Modulation Signal[J]. Journal of Electronics & Information Technology, 2017, 39(1): 75-81. doi: 10.11999/JEIT160139

Citation:

WANG Hongxing, LU Faping, LIU Chuanhui, LIU Xiao. Adaptive Peak-to-average Power Ratio Reduction Method for ProlateSpheroidal Wave Function Orthogonal Modulation Signal[J]. Journal of Electronics & Information Technology, 2017, 39(1): 75-81. doi: 10.11999/JEIT160139

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Adaptive Peak-to-average Power Ratio Reduction Method for ProlateSpheroidal Wave Function Orthogonal Modulation Signal

doi: 10.11999/JEIT160139

Funds:

The National Natural Science Foundation of China (60772056), The Taishan Scholar Special Construction Funds Funded Project of Shandong Province (ts20081130)

Received Date: 2016-01-29
Rev Recd Date: 2016-06-29
Publish Date: 2017-01-19

Abstract

Abstract

A new companding transform based on-law companding schemes is proposed for the reduction of Peak-to-Average Power Ratio (PAPR) of Prolate Spheroidal Wave Function (PSWF) orthogonal modulation signal, which causes serious degradation in performance when a nonlinear Power Amplifier (PA) is used. According to the input signal, the method adjusts the compression parameters automatically, which can guarantee the average signal power constant before and after compression, compression signal peak. Both the mathematical deduction and simulation results show that the proposed method can effectively reduce PAPR of PSWF orthogonal modulation signal, and effectively improve the power spectrum density of the signal and the BER performance of system under AWGN channel. The PAPR of compressed modulation signal decrease about 2.1 dB in comparison to the original modulation signal, when the parameter=1 and Complementary Cumulative Distribution Function CCDF=10-4.
- Prolate Spheroidal Wave Function (PSWF),
- Peak-to-Average Power Ratio (PAPR),
- Companding transform,
- Input back off

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References(20)

References

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