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A novel bi-directional communication approach for moving underwater sensor nodes in the turbulent water channel.

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Title: A novel bi-directional communication approach for moving underwater sensor nodes in the turbulent water channel.
Authors: Singh, Mandeep1 (AUTHOR), Singh, Maninder Lal1 (AUTHOR), Singh, Rajandeep1 (AUTHOR) rajandeep.ece@gndu.ac.in, Kaur, Ramandeep2 (AUTHOR), Singh, Simranjit3 (AUTHOR), Kaur, Gurpreet4 (AUTHOR)
Source: Optical & Quantum Electronics. Jun2024, Vol. 56 Issue 6, p1-13. 13p.
Subjects: Forward error correction, Wavelength division multiplexing, Optical communications, Bit error rate, Underwater construction
Abstract: In this paper, a novel architecture of bidirectional underwater wireless optical communication (UWOC) system has been proposed to interconnect stationary and moving underwater sensor nodes for diverse applications. To achieve the bidirectional communication, wavelength division multiplexing (WDM) and remodulation approach have been used in this work. The proposed bidirectional UWOC system works at 40 Gbps data rate for both downlink (stationary node to moving node) and uplink (moving node to stationary node). Two distinct wavelengths of 532 nm and 531 nm have been used for uplink and downlink, the main attraction of the proposed architecture is that both the laser sources are placed at the stationary node. The moving node do not have any laser source and it remodulates the signal for sending data back to the stationary node. Because of this, the moving node contains lesser components which results in cost effectiveness, low power requirement and light weight. The proposed system successfully transmits the bidirectional information at a link range of 40 m under pure sea conditions in the presence of distinctive air bubble populations. The observed bit error rate (BER) values are 1.89 × 10− 13 and 1.19 × 10− 04 for the downlink and uplink respectively at a link range of 40 m, these BER values are under the acceptable forward error correction (FEC = 2 × 10− 3) limit. The proposed bidirectional UWOC system is beneficial for the development of a high-speed last-mile underwater solution. [ABSTRACT FROM AUTHOR]
Copyright of Optical & Quantum Electronics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: A novel bi-directional communication approach for moving underwater sensor nodes in the turbulent water channel.
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  Data: <searchLink fieldCode="AR" term="%22Singh%2C+Mandeep%22">Singh, Mandeep</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Singh%2C+Maninder+Lal%22">Singh, Maninder Lal</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Singh%2C+Rajandeep%22">Singh, Rajandeep</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> rajandeep.ece@gndu.ac.in</i><br /><searchLink fieldCode="AR" term="%22Kaur%2C+Ramandeep%22">Kaur, Ramandeep</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Singh%2C+Simranjit%22">Singh, Simranjit</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kaur%2C+Gurpreet%22">Kaur, Gurpreet</searchLink><relatesTo>4</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Optical+%26+Quantum+Electronics%22">Optical & Quantum Electronics</searchLink>. Jun2024, Vol. 56 Issue 6, p1-13. 13p.
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  Data: <searchLink fieldCode="DE" term="%22Forward+error+correction%22">Forward error correction</searchLink><br /><searchLink fieldCode="DE" term="%22Wavelength+division+multiplexing%22">Wavelength division multiplexing</searchLink><br /><searchLink fieldCode="DE" term="%22Optical+communications%22">Optical communications</searchLink><br /><searchLink fieldCode="DE" term="%22Bit+error+rate%22">Bit error rate</searchLink><br /><searchLink fieldCode="DE" term="%22Underwater+construction%22">Underwater construction</searchLink>
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  Data: In this paper, a novel architecture of bidirectional underwater wireless optical communication (UWOC) system has been proposed to interconnect stationary and moving underwater sensor nodes for diverse applications. To achieve the bidirectional communication, wavelength division multiplexing (WDM) and remodulation approach have been used in this work. The proposed bidirectional UWOC system works at 40 Gbps data rate for both downlink (stationary node to moving node) and uplink (moving node to stationary node). Two distinct wavelengths of 532 nm and 531 nm have been used for uplink and downlink, the main attraction of the proposed architecture is that both the laser sources are placed at the stationary node. The moving node do not have any laser source and it remodulates the signal for sending data back to the stationary node. Because of this, the moving node contains lesser components which results in cost effectiveness, low power requirement and light weight. The proposed system successfully transmits the bidirectional information at a link range of 40 m under pure sea conditions in the presence of distinctive air bubble populations. The observed bit error rate (BER) values are 1.89 × 10− 13 and 1.19 × 10− 04 for the downlink and uplink respectively at a link range of 40 m, these BER values are under the acceptable forward error correction (FEC = 2 × 10− 3) limit. The proposed bidirectional UWOC system is beneficial for the development of a high-speed last-mile underwater solution. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Optical & Quantum Electronics is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s11082-024-06780-2
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        Text: English
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      – SubjectFull: Underwater construction
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      – TitleFull: A novel bi-directional communication approach for moving underwater sensor nodes in the turbulent water channel.
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              Text: Jun2024
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