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Improving transmission reliability of inductive coupling temperature-salinity-depth mooring cable system.

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Title: Improving transmission reliability of inductive coupling temperature-salinity-depth mooring cable system.
Authors: Zheng, Yu1 zhengyu@tjpu.edu.cn, Wang, Xiao-rui1, Zhang, Xiao-Wei2, Li, Hong-Zhi2, Jin, Xiang-Yu1
Source: Ocean Engineering. Jan2018, Vol. 147, p488-495. 8p.
Subjects: Mooring of ships, Salinity, Amplitude estimation, Fresh water, Reed-Solomon codes
Abstract: Inductive coupling temperature-salinity-depth mooring cable is an important instrument for measuring deep sea environment. However, the channel characteristics change depending on the load and marine environment, and these characteristics affect the signal transmission reliability. In this paper, an inductive coupling temperature-salinity-depth communication system is developed and channel characteristics are derived theoretically. The amplitude-frequency and phase-frequency characteristics in seawater and freshwater environments are measured using the frequency-sweep method in laboratory. The measured results are compared with the theoretical results. The accuracy of the results is verified by recovering a square-wave using the measured amplitude-frequency and phase-frequency characteristics. Next, amplitude shift keying modulation is used to test the signal transmission reliability and the results show that the error rates are high due to the influence of noise. Finally, to improve the signal transmission reliability, a concatenated code comprising of Reed-Solomon and convolution code is used. The concatenated code can make the error rate less than 1.906% and 6.502% in sea water and fresh water, respectively. The study provides an important experimental evidence for understanding the channel characteristics and improving signal transmission reliability of inductive coupling temperature-salinity-depth mooring cable. [ABSTRACT FROM AUTHOR]
Copyright of Ocean Engineering is the property of Pergamon Press - An Imprint of Elsevier Science 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.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 126946807
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Label: Title
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  Data: Improving transmission reliability of inductive coupling temperature-salinity-depth mooring cable system.
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  Data: <searchLink fieldCode="AR" term="%22Zheng%2C+Yu%22">Zheng, Yu</searchLink><relatesTo>1</relatesTo><i> zhengyu@tjpu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Wang%2C+Xiao-rui%22">Wang, Xiao-rui</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Xiao-Wei%22">Zhang, Xiao-Wei</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Li%2C+Hong-Zhi%22">Li, Hong-Zhi</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Jin%2C+Xiang-Yu%22">Jin, Xiang-Yu</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Ocean+Engineering%22">Ocean Engineering</searchLink>. Jan2018, Vol. 147, p488-495. 8p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Mooring+of+ships%22">Mooring of ships</searchLink><br /><searchLink fieldCode="DE" term="%22Salinity%22">Salinity</searchLink><br /><searchLink fieldCode="DE" term="%22Amplitude+estimation%22">Amplitude estimation</searchLink><br /><searchLink fieldCode="DE" term="%22Fresh+water%22">Fresh water</searchLink><br /><searchLink fieldCode="DE" term="%22Reed-Solomon+codes%22">Reed-Solomon codes</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Inductive coupling temperature-salinity-depth mooring cable is an important instrument for measuring deep sea environment. However, the channel characteristics change depending on the load and marine environment, and these characteristics affect the signal transmission reliability. In this paper, an inductive coupling temperature-salinity-depth communication system is developed and channel characteristics are derived theoretically. The amplitude-frequency and phase-frequency characteristics in seawater and freshwater environments are measured using the frequency-sweep method in laboratory. The measured results are compared with the theoretical results. The accuracy of the results is verified by recovering a square-wave using the measured amplitude-frequency and phase-frequency characteristics. Next, amplitude shift keying modulation is used to test the signal transmission reliability and the results show that the error rates are high due to the influence of noise. Finally, to improve the signal transmission reliability, a concatenated code comprising of Reed-Solomon and convolution code is used. The concatenated code can make the error rate less than 1.906% and 6.502% in sea water and fresh water, respectively. The study provides an important experimental evidence for understanding the channel characteristics and improving signal transmission reliability of inductive coupling temperature-salinity-depth mooring cable. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Ocean Engineering is the property of Pergamon Press - An Imprint of Elsevier Science 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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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1016/j.oceaneng.2017.11.003
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 8
        StartPage: 488
    Subjects:
      – SubjectFull: Mooring of ships
        Type: general
      – SubjectFull: Salinity
        Type: general
      – SubjectFull: Amplitude estimation
        Type: general
      – SubjectFull: Fresh water
        Type: general
      – SubjectFull: Reed-Solomon codes
        Type: general
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      – TitleFull: Improving transmission reliability of inductive coupling temperature-salinity-depth mooring cable system.
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            NameFull: Zheng, Yu
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            NameFull: Wang, Xiao-rui
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            NameFull: Zhang, Xiao-Wei
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            NameFull: Li, Hong-Zhi
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            NameFull: Jin, Xiang-Yu
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            – D: 01
              M: 01
              Text: Jan2018
              Type: published
              Y: 2018
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              Value: 147
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            – TitleFull: Ocean Engineering
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