Enhancing the signal efficiency and PAPR performance of FBMC waveform in optical communication
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Arun Kumar
Abstract
Filter bank multicarrier (FBMC) has become a favorable option compared to other advanced waveforms because it can reduce interference between symbols and carriers. This is especially advantageous in Rician optical channels prone to frequency-selective fading. The article proposed novel PAPR algorithms based on combining partial transmission sequence (PTS) and complementing methods to lower the peak-to-average power ratio (PAPR) of the optical FBMC. High PAPR results in power amplifier performance degradation, which severely affects the optical FBMC framework’s performance and throughput. Compared to the original signal, the proposed PTS + Companding makes the PAPR much lower while keeping the bit error rate (BER) and power spectral density (PSD). This leads to enhanced efficiency and fewer nonlinear distortions in the transmission system. Simulation studies assess the efficacy of those approaches in terms of PAPR, spectral efficiency, and throughput. The results help improve the use of FBMC in optical communication systems by showing practical ways to boost performance metrics necessary for advanced radio systems to handle the needs of fast data transmission.
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Research ethics: Not applicable.
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Author contributions: The authors have accepted responsibility for the entire content of this manuscript and approved its submission.
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Competing interests: The authors state no conflict of interest.
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Research funding: None declared.
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Data availability: Not applicable.
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