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DC Programming and DCA for Enhancing Physical Layer Security via Relay Beamforming Strategies

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Intelligent Information and Database Systems (ACIIDS 2016)

Part of the book series: Lecture Notes in Computer Science ((LNAI,volume 9622))

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Abstract

Beside of cryptography - the primary traditional methods for ensuring information security and confidentiality, the appearance of the physical layer security approach plays an important role for not only enabling the data transmission confidentially without relying on higher-layer encryption, but also enhancing confidentiality of the secret key distribution in cryptography itself. In this paper, we mention a technique used in physical layer security, this is relay beamforming strategy with Decode-and-Forward relaying technique. The optimization problems with the aim of maximizing the sum of secrecy rates subject to individual relay power constraints are formulated as a nonconvex problem. These problems can be rewritten as DC (difference of two convex functions) programs. We apply the standard DCA scheme to find solution to this problem. The main benefit of the proposed method is that it provides an optimal value for the system secrecy rate while the previous existing methods only give its upper bound.

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Author information

Authors and Affiliations

  1. FPT University, Hoa Lac High Tech Park, Hanoi, Vietnam

    Tran Thi Thuy

  2. Department of Cryptography, Academy of Cryptography Technique, Hanoi, Vietnam

    Nguyen Nhu Tuan

  3. Laboratory of Theoretical and Applied Computer Science (LITA) UFR MIM, University of Lorraine, Ile du Saulcy, 57045, Metz, France

    Le Thi Hoai An & Alain Gély

Authors
  1. Tran Thi Thuy
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  2. Nguyen Nhu Tuan
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  3. Le Thi Hoai An
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  4. Alain Gély
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Corresponding author

Correspondence to Nguyen Nhu Tuan .

Editor information

Editors and Affiliations

  1. Wrocław University of Technology, Wrocław, Poland

    Ngoc Thanh Nguyen

  2. Wrocław University of Technology, Wrocław, Poland

    Bogdan Trawiński

  3. Iwate Prefectural University, Takizawa, Japan

    Hamido Fujita

  4. National University of Kaohsiung, Kaohsiung, Taiwan

    Tzung-Pei Hong

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Thuy, T.T., Tuan, N.N., An, L.T.H., Gély, A. (2016). DC Programming and DCA for Enhancing Physical Layer Security via Relay Beamforming Strategies. In: Nguyen, N.T., Trawiński, B., Fujita, H., Hong, TP. (eds) Intelligent Information and Database Systems. ACIIDS 2016. Lecture Notes in Computer Science(), vol 9622. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-49390-8_62

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  • DOI: https://doi.org/10.1007/978-3-662-49390-8_62

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-662-49389-2

  • Online ISBN: 978-3-662-49390-8

  • eBook Packages: Computer ScienceComputer Science (R0)

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