Visible light communication optical FBMC-OQAM PAPR reduction using FHT-PTR algorithm for beyond 5G system
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Nidhi Gour
Abstract
This paper addresses the reduction of peak-to-average power ratio (PAPR) in optical filter bank multicarrier (FBMC) with offset quadrature amplitude modulation (OQAM) using a fast Hadamard transform (FHT) centered partial transmit sequence (PTS) algorithm. High PAPR in FBMC-OQAM systems can cause non-linear distortions in optical transmitters, such as LEDs, leading to signal degradation. The proposed FHT-PTS algorithm effectively mitigates this issue by dividing the data symbols into disjoint subsets, applying phase rotations, and performing inverse FHT to generate multiple candidate sequences. The sequence with the lowest PAPR is selected for transmission. This technique ensures significant PAPR reduction while maintaining acceptable bit error rate (BER) performance. Simulation results demonstrate that the FHT-PTS algorithm achieves substantial PAPR reduction gain of 3 dB–6 dB compared to conventional PTS and other existing methods. The power spectrum density (PSD) analysis shows that the spectral efficiency of the FBMC-OQAM system is preserved, with minimal out-of-band emissions. The FHT operations significantly reduce the complexity compared to traditional Fourier transform-based methods, making the algorithm more feasible for real-time applications.
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Research ethics: Not applicable.
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Author contributions: All authores have equally contribute for this research article.
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Competing interests: There is no competing interest.
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Research funding: No funding recieved.
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Data availability: Not applicable.
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© 2024 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
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Artikel in diesem Heft
- 10.1515/joc-2025-frontmatter4
- Detectors
- Integrating optical communication in MIMO-OTFS using hybrid signal detection methods: analyzing the throughput and spectrum
- Multi-surveillance detection for night surveillance using modified yolo v5 algorithm based optical communication
- Fibers
- 10.1515/joc-2024-0168
- Performance signature for angular misalignment measurement of fiber to fiber connectors with minimum insertion loss and low distortion in optical fiber transceiver systems
- Networks
- 10.1515/joc-2024-0177
- Long wavelength fluoride optical glass fibers performance signature in high speed local area data networks
- Fairness optimized based DBA for long reach XGPON networks
- Systems
- Visible light communication optical FBMC-OQAM PAPR reduction using FHT-PTR algorithm for beyond 5G system
- 10.1515/joc-2024-0161
- An efficient hybrid spectrum sensing algorithm to enhance the performance of optical NOMA waveforms using 256-QAM
- Coherent optical-OFDM system’s contribution to the management of chromatic and polarization mode dispersion using DSP
- Enhancing the signal efficiency and PAPR performance of FBMC waveform in optical communication
- Supplantation and utility of aquatic bio-optical communication system at Gulf of Mannar Marine National Park, India
- 10.1515/joc-2024-0160
- 10.1515/joc-2024-0087
- Evaluation of underwater laser communication performance across different water types
- A review on free space optical communication links: 5G applications
- Spectrally efficient DWDM system using DQPSK modulation
- Investigating performance of optical communication system with FSO/OWC channel
- Atmosphere turbulence effects on a multiple apertures free space optical communication systems
- A closed-form solution of BER for a convolutional coded non-Hermitian OFDM FSO system with polarization diversity
- Theory
- 10.1515/joc-2024-0084
- Solutions to the Schrödinger equation using deep neural networks for integrated photonics
- 10.1515/joc-2024-0176
- Joint PAPR reduction with channel estimation for OFDM-based VLC systems
