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Secure two-way relaying with successive interference cancellation and fountain codes: performance analysis.

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Title: Secure two-way relaying with successive interference cancellation and fountain codes: performance analysis.
Authors: Hau, Nguyen Thi1,2 hau.nt@sgu.edu.vn, Duy, Tran Trung3 trantrungduy@ptithcm.edu.vn
Source: Telkomnika. Apr2026, Vol. 24 Issue 2, p420-430. 11p.
Subjects: Eavesdropping, Network performance, Wireless communications, Error-correcting codes, Interference suppression, Rayleigh fading channels
Abstract: This paper proposes a secure two-way relaying (TWR) scheme using fountain codes (FCs), successive interference cancellation (SIC), and digital network coding (DNC). Using FCs, two sources exchange their data by first encoding the data into a series of packets (called encoded packets). These encoded packets are then exchanged between the sources via the help of a common relay, and they are also overheard by an eavesdropper. The packet exchange is carried out over two time slots: i) in the first time slot, both sources send their encoded packets to the rela y; and ii) the relay applies SIC to decode two received packets, and then broadcasts the exclusive OR (XORed) packet to both sources in the second time slot. The sources and the eavesdropper try to collect a sufficient number of encoded packets to successfully recover the original data. This paper derives and validates exact closed-form expressions for system throughput (TP), system outage probability (SOP), and system intercept probability (SIP) over Rayleigh fading channels. Furthermore, our findings reveal a reliability-security tradeoff as well as the impact of system parameters on the network performance. [ABSTRACT FROM AUTHOR]
Copyright of Telkomnika is the property of Department of Electrical Engineering, Ahmad Dahlan University 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: 194026199
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  Data: Secure two-way relaying with successive interference cancellation and fountain codes: performance analysis.
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  Data: <searchLink fieldCode="AR" term="%22Hau%2C+Nguyen+Thi%22">Hau, Nguyen Thi</searchLink><relatesTo>1,2</relatesTo><i> hau.nt@sgu.edu.vn</i><br /><searchLink fieldCode="AR" term="%22Duy%2C+Tran+Trung%22">Duy, Tran Trung</searchLink><relatesTo>3</relatesTo><i> trantrungduy@ptithcm.edu.vn</i>
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  Data: <searchLink fieldCode="JN" term="%22Telkomnika%22">Telkomnika</searchLink>. Apr2026, Vol. 24 Issue 2, p420-430. 11p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Eavesdropping%22">Eavesdropping</searchLink><br /><searchLink fieldCode="DE" term="%22Network+performance%22">Network performance</searchLink><br /><searchLink fieldCode="DE" term="%22Wireless+communications%22">Wireless communications</searchLink><br /><searchLink fieldCode="DE" term="%22Error-correcting+codes%22">Error-correcting codes</searchLink><br /><searchLink fieldCode="DE" term="%22Interference+suppression%22">Interference suppression</searchLink><br /><searchLink fieldCode="DE" term="%22Rayleigh+fading+channels%22">Rayleigh fading channels</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This paper proposes a secure two-way relaying (TWR) scheme using fountain codes (FCs), successive interference cancellation (SIC), and digital network coding (DNC). Using FCs, two sources exchange their data by first encoding the data into a series of packets (called encoded packets). These encoded packets are then exchanged between the sources via the help of a common relay, and they are also overheard by an eavesdropper. The packet exchange is carried out over two time slots: i) in the first time slot, both sources send their encoded packets to the rela y; and ii) the relay applies SIC to decode two received packets, and then broadcasts the exclusive OR (XORed) packet to both sources in the second time slot. The sources and the eavesdropper try to collect a sufficient number of encoded packets to successfully recover the original data. This paper derives and validates exact closed-form expressions for system throughput (TP), system outage probability (SOP), and system intercept probability (SIP) over Rayleigh fading channels. Furthermore, our findings reveal a reliability-security tradeoff as well as the impact of system parameters on the network performance. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Telkomnika is the property of Department of Electrical Engineering, Ahmad Dahlan University 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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      – Type: doi
        Value: 10.12928/TELKOMNIKA.v24i2.27314
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 11
        StartPage: 420
    Subjects:
      – SubjectFull: Eavesdropping
        Type: general
      – SubjectFull: Network performance
        Type: general
      – SubjectFull: Wireless communications
        Type: general
      – SubjectFull: Error-correcting codes
        Type: general
      – SubjectFull: Interference suppression
        Type: general
      – SubjectFull: Rayleigh fading channels
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      – TitleFull: Secure two-way relaying with successive interference cancellation and fountain codes: performance analysis.
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            NameFull: Duy, Tran Trung
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            – D: 01
              M: 04
              Text: Apr2026
              Type: published
              Y: 2026
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