PAPR reduction for FBMC/OQAM using hybrid scheme of different Precoding transform and mu-law companding

  • Authors

    • Imad Shaheen Electronics and Communication Department, Faculty of Engineering, Ain Shams University, Cairo - Egypt
    • Abdelhalim Zekry Electronics and Communication Department, Faculty of Engineering, Ain Shams University, Cairo - Egypt
    • Fatma Newagy Electronics and Communication Department, Faculty of Engineering, Ain Shams University, Cairo - Egypt
    • Reem Ibrahim Embedded System Design Electronics Factory Department Cairo-Egypt
    2017-11-14
    https://doi.org/10.14419/ijet.v6i4.8326
  • , FBMC/OQAM, PAPR, 5G, Precoding, Mu-Law Companding.

  • Abstract

    The filter banks multicarrier with offset quadrature amplitude modulation (FBMC/OQAM) is developing multicarrier modulation technique used in the next wireless communication system (5G). FBMC/OQAM supports high data rate and high band width efficiency. However, one of the major drawbacks of FBMC system is high peak to Average Power Ratio (PAPR) of the transmitted signal, which causes serious degradation in performance of the system. Therefore, it is required to use a proper PAPR scheme at the transmitter to reduce the PAPR. In this paper, a hybrid scheme is investigated with the combination of preceding transform technique and Mu Law Companding technique to reduce PAPR in FBMC systems. Moreover, four preceding techniques are examined to find the best Precoding technique which can be used with Mu law commanding. We assessed the discrete Hartley transform (DHT). The discrete cosine transformed (DCT), the Discrete Sine Transform (DST), and the Walsh Hadamard transforms (WHT) which are applied separately with Mu Companding. The numerical results verify that the FBMC systems with all Precoding technique combined with Mu law commanding can improve PAPR performance of the signals greatly with the best results achieved when the combination scheme consists of the DST Precoding and Mu law commanding for both PAPR and BER performance.

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  • How to Cite

    Shaheen, I., Zekry, A., Newagy, F., & Ibrahim, R. (2017). PAPR reduction for FBMC/OQAM using hybrid scheme of different Precoding transform and mu-law companding. International Journal of Engineering & Technology, 6(4), 154-162. https://doi.org/10.14419/ijet.v6i4.8326

    Received date: 2017-09-05

    Accepted date: 2017-11-06

    Published date: 2017-11-14