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International Conference in Communications, Signal Processing, and Systems

CSPS 2017: Communications, Signal Processing, and Systems pp 923–934Cite as

GFDM System PAPR Reduction Based on MCT Method

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Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 463))

Abstract

The most serious problems of OFDM are the high Out-Of-Band (OOB) Radiation and high Peak-to-Average Power Ratio (PAPR). So that it can’t use the fragmented spectrum and will also increase the system operating costs, reduce efficiency as well. Thus the Generalized Frequency Division Multiplexing (GFDM) comes into being as a candidate for the fifth generation (5G) wireless communication. GFDM can reduce the out-of-band radiation effectively but still suffer from pretty high PAPR. To solve this problem, studies have shown Clipping method can be used to reduce PAPR. However the computational complexity will increase along with the increase of the subcarrier number, and lower clipping threshold will cause severer impact on the signal distortion which is because the Clipping causes irreversible loss on large signals. In this paper, we propose a new method called majorizing compressing and expanding technique (MCT) to suppress the high PAPR of GFDM system. This method compresses high power signals, and expands low power signals at the transmitter and makes the inverse transformation at the receiver, so that the signal amplitude fluctuation is smaller and closer to the average, thus reduces the PAPR. Our simulations also reveal that there is a tradeoff between PAPR reduction and bit error rate(BER) performance. And a comparison between Clipping and MCT will be given to show that MCT performs better.

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Authors and Affiliations

  1. School of Electronics and Information Engineering, Harbin Institute of Technology, Harbin, 150001, China

    Yaqin Zhao, Chentong Wu, Longwen Wu & Chunliu Li

Authors
  1. Yaqin Zhao
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  2. Chentong Wu
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  3. Longwen Wu
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  4. Chunliu Li
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Corresponding author

Correspondence to Yaqin Zhao .

Editor information

Editors and Affiliations

  1. Department of Electrical Engineering, University of Texas at Arlington, Arlington, Texas, USA

    Qilian Liang

  2. College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin, China

    Jiasong Mu

  3. Harbin Institute of Technology, Harbin, Heilongjiang, China

    Min Jia

  4. College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin, China

    Wei Wang

  5. College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin, China

    Xuhong Feng

  6. College of Electronic and Communication Engineering, Tianjin Normal University, Tianjin, China

    Baoju Zhang

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© 2019 Springer Nature Singapore Pte Ltd.

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Zhao, Y., Wu, C., Wu, L., Li, C. (2019). GFDM System PAPR Reduction Based on MCT Method. In: Liang, Q., Mu, J., Jia, M., Wang, W., Feng, X., Zhang, B. (eds) Communications, Signal Processing, and Systems. CSPS 2017. Lecture Notes in Electrical Engineering, vol 463. Springer, Singapore. https://doi.org/10.1007/978-981-10-6571-2_112

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  • DOI: https://doi.org/10.1007/978-981-10-6571-2_112

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-6570-5

  • Online ISBN: 978-981-10-6571-2

  • eBook Packages: EngineeringEngineering (R0)

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