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Network coding for multihop wireless networks : joint random linear network coding and forward error correction with interleaving for multihop wireless networks

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Titel: Network coding for multihop wireless networks : joint random linear network coding and forward error correction with interleaving for multihop wireless networks
Autoren: Susanto, Misfa
Verlagsinformationen: University of Bradford, 2015.
Publikationsjahr: 2015
Bestand: University of Bradford
Schlagwörter: Modulation scheme, Convolutional code, Reed Solomon code, Serial concatenated code, Interleaving schemes, Random linear network coding, Symbol level network coding, Multihop transmission, Interleaved network-forward error correction coding, Bit and block error rates, Multihop wireless networks
Beschreibung: Optimising the throughput performance for wireless networks is one of the challenging tasks in the objectives of communication engineering, since wireless channels are prone to errors due to path losses, random noise, and fading phenomena. The transmission errors will be worse in a multihop scenario due to its accumulative effects. Network Coding (NC) is an elegant technique to improve the throughput performance of a communication network. There is the fact that the bit error rates over one modulation symbol of 16- and higher order- Quadrature Amplitude Modulation (QAM) scheme follow a certain pattern. The Scattered Random Network Coding (SRNC) system was proposed in the literature to exploit the error pattern of 16-QAM by using bit-scattering to improve the throughput of multihop network to which is being applied the Random Linear Network Coding (RLNC). This thesis aims to improve further the SRNC system by using Forward Error Correction (FEC) code; the proposed system is called Joint RLNC and FEC with interleaving. The first proposed system (System-I) uses Convolutional Code (CC) FEC. The performances analysis of System-I with various CC rates of 1/2, 1/3, 1/4, 1/6, and 1/8 was carried out using the developed simulation tools in MATLAB and compared to two benchmark systems: SRNC system (System-II) and RLNC system (System- III). The second proposed system (System-IV) uses Reed-Solomon (RS) FEC code. Performance evaluation of System IV was carried out and compared to three systems; System-I with 1/2 CC rate, System-II, and System-III. All simulations were carried out over three possible channel environments: 1) AWGN channel, 2) a Rayleigh fading channel, and 3) a Rician fading channel, where both fading channels are in series with the AWGN channel. The simulation results show that the proposed system improves the SRNC system. How much improvement gain can be achieved depends on the FEC type used and the channel environment.
Publikationsart: Electronic Thesis or Dissertation
Sprache: English
Zugangs-URL: https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.738162
Dokumentencode: edsble.738162
Datenbank: British Library EThOS
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  Label: Title
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  Data: Network coding for multihop wireless networks : joint random linear network coding and forward error correction with interleaving for multihop wireless networks
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  Data: University of Bradford, 2015.
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  Label: Publication Year
  Group: Date
  Data: 2015
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  Data: University of Bradford
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  Data: <searchLink fieldCode="DE" term="%22Modulation+scheme%22">Modulation scheme</searchLink><br /><searchLink fieldCode="DE" term="%22Convolutional+code%22">Convolutional code</searchLink><br /><searchLink fieldCode="DE" term="%22Reed+Solomon+code%22">Reed Solomon code</searchLink><br /><searchLink fieldCode="DE" term="%22Serial+concatenated+code%22">Serial concatenated code</searchLink><br /><searchLink fieldCode="DE" term="%22Interleaving+schemes%22">Interleaving schemes</searchLink><br /><searchLink fieldCode="DE" term="%22Random+linear+network+coding%22">Random linear network coding</searchLink><br /><searchLink fieldCode="DE" term="%22Symbol+level+network+coding%22">Symbol level network coding</searchLink><br /><searchLink fieldCode="DE" term="%22Multihop+transmission%22">Multihop transmission</searchLink><br /><searchLink fieldCode="DE" term="%22Interleaved+network-forward+error+correction+coding%22">Interleaved network-forward error correction coding</searchLink><br /><searchLink fieldCode="DE" term="%22Bit+and+block+error+rates%22">Bit and block error rates</searchLink><br /><searchLink fieldCode="DE" term="%22Multihop+wireless+networks%22">Multihop wireless networks</searchLink>
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  Data: Optimising the throughput performance for wireless networks is one of the challenging tasks in the objectives of communication engineering, since wireless channels are prone to errors due to path losses, random noise, and fading phenomena. The transmission errors will be worse in a multihop scenario due to its accumulative effects. Network Coding (NC) is an elegant technique to improve the throughput performance of a communication network. There is the fact that the bit error rates over one modulation symbol of 16- and higher order- Quadrature Amplitude Modulation (QAM) scheme follow a certain pattern. The Scattered Random Network Coding (SRNC) system was proposed in the literature to exploit the error pattern of 16-QAM by using bit-scattering to improve the throughput of multihop network to which is being applied the Random Linear Network Coding (RLNC). This thesis aims to improve further the SRNC system by using Forward Error Correction (FEC) code; the proposed system is called Joint RLNC and FEC with interleaving. The first proposed system (System-I) uses Convolutional Code (CC) FEC. The performances analysis of System-I with various CC rates of 1/2, 1/3, 1/4, 1/6, and 1/8 was carried out using the developed simulation tools in MATLAB and compared to two benchmark systems: SRNC system (System-II) and RLNC system (System- III). The second proposed system (System-IV) uses Reed-Solomon (RS) FEC code. Performance evaluation of System IV was carried out and compared to three systems; System-I with 1/2 CC rate, System-II, and System-III. All simulations were carried out over three possible channel environments: 1) AWGN channel, 2) a Rayleigh fading channel, and 3) a Rician fading channel, where both fading channels are in series with the AWGN channel. The simulation results show that the proposed system improves the SRNC system. How much improvement gain can be achieved depends on the FEC type used and the channel environment.
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RecordInfo BibRecord:
  BibEntity:
    Languages:
      – Text: English
    Subjects:
      – SubjectFull: Modulation scheme
        Type: general
      – SubjectFull: Convolutional code
        Type: general
      – SubjectFull: Reed Solomon code
        Type: general
      – SubjectFull: Serial concatenated code
        Type: general
      – SubjectFull: Interleaving schemes
        Type: general
      – SubjectFull: Random linear network coding
        Type: general
      – SubjectFull: Symbol level network coding
        Type: general
      – SubjectFull: Multihop transmission
        Type: general
      – SubjectFull: Interleaved network-forward error correction coding
        Type: general
      – SubjectFull: Bit and block error rates
        Type: general
      – SubjectFull: Multihop wireless networks
        Type: general
    Titles:
      – TitleFull: Network coding for multihop wireless networks : joint random linear network coding and forward error correction with interleaving for multihop wireless networks
        Type: main
  BibRelationships:
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      – PersonEntity:
          Name:
            NameFull: Susanto, Misfa
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          Dates:
            – D: 01
              M: 01
              Type: published
              Y: 2015
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              Value: edsble
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