Performance evaluation of PAPR reduction in FBMC system using nonlinear companding transform | Zendy

Imad A. Shaheen | Zendy; Abdelhalim Zekry | Zendy; Fatma Newagy | Zendy; Reem Ibrahim | Zendy

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Performance evaluation of PAPR reduction in FBMC system using nonlinear companding transform

Author(s) -

Imad A. Shaheen,

Abdelhalim Zekry,

Fatma Newagy,

Reem Ibrahim

Publication year - 2018

Publication title -

ict express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.733

H-Index - 22

ISSN - 2405-9595

DOI - 10.1016/j.icte.2018.01.017

Subject(s) - companding , logarithm , reduction (mathematics) , computer science , bit error rate , electronic engineering , nonlinear system , orthogonal frequency division multiplexing , control theory (sociology) , mathematics , algorithm , telecommunications , engineering , physics , artificial intelligence , channel (broadcasting) , decoding methods , geometry , control (management) , quantum mechanics , mathematical analysis

Filter Bank Multicarrier with Offset Quadrature Amplitude Modulation (FBMC/OQAM) is one of the best waveforms used in 5G communications. The FBMC is a multicarrier modulation system (MCM) which suffers from high peak to average power ratio (PAPR) causing a reduction in power efficiency. Nonlinear companding techniques are widely used to reduce the peak-to-average-power ratio (PAPR). In this paper, we have evaluated the performance of different non-linear companding techniques to reduce the PAPR in FBMC/OQAM system while achieving good Bit Error rate. We assessed the hyperbolic tangent, the error function, the logarithmic function, the A-law, and Mu-law companding techniques. It is found that the best companding function is the Mu-law.

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