Enhancing UWOC link performance using a hybrid OFDM/SAC-OCDMA system

Aissaoui, Amel; Hacini, Latifa

doi:10.1007/s11082-023-05599-7

Opt Quant Electron

2023

DOI: 10.1007/s11082-023-05599-7

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Enhancing UWOC link performance using a hybrid OFDM/SAC-OCDMA system

Amel Aissaoui,

Latifa Hacini

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2024

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Cited by 2 publications

References 28 publications

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Optimized attention neural network based joint link misalignment and beam divergence power optimization for underwater optical wireless communications

Bala,

Venu,

Prakash Kumar

et al. 2024

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Optimized attention neural network based joint link misalignment and beam divergence power optimization for underwater optical wireless communications

Bala,

Venu,

Prakash Kumar

et al. 2024

Opt Quant Electron

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Implementation of Underwater Electric Field Communication Based on Direct Sequence Spread Spectrum (DSSS) and Binary Phase Shift Keying (BPSK) Modulation

Zhang,

Zhao,

Feng

et al. 2024

Biomimetics

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Stable communication technologies in complex waters are a prerequisite for underwater operations. Underwater acoustic communication is susceptible to multipath interference, while underwater optical communication is susceptible to environmental impact. The underwater electric field communication established based on the weak electric fish perception mechanism is not susceptible to environmental interference, and the communication is stable. It is a new type of underwater communication technology. To address issues like short communication distances and high bit error rates in existing underwater electric field communication systems, this study focuses on underwater electric field communication systems based on direct sequence spread spectrum (DSSS) and binary phase shift keying (BPSK) modulation techniques. To verify the feasibility of the established spread spectrum electric field communication system, static communication experiments were carried out in a swimming pool using the DSSS-based system. The experimental results show that in fresh water with a conductivity of 739 μS/cm, the system can achieve underwater current electric field communication within a 11.2 m range with 10−6 bit errors. This paper validates the feasibility of DSSS BPSK in short-range underwater communication, and compact communication devices are expected to be deployed on underwater robots for underwater operations.

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Enhancing UWOC link performance using a hybrid OFDM/SAC-OCDMA system

Cited by 2 publications

References 28 publications

Optimized attention neural network based joint link misalignment and beam divergence power optimization for underwater optical wireless communications

Optimized attention neural network based joint link misalignment and beam divergence power optimization for underwater optical wireless communications

Implementation of Underwater Electric Field Communication Based on Direct Sequence Spread Spectrum (DSSS) and Binary Phase Shift Keying (BPSK) Modulation

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