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Power Allocation in One-Way Untrusted AF Relay System with Friendly Jamming

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Abstract

In this paper, the physical layer security in one-way untrusted AF relay system is considered. For improving the physical layer security, external friendly jammers offer help through transmitting interference signal to the untrusted relay. It is indicated that a nonzero secrecy rate is achievable in one-way untrusted AF relay system with the help of friendly jammers. The source optimization problem is further formulated. In this optimization problem, in order to increasing the secrecy rate, the source must pay the jammers for exchanging their service of jamming. Finally, an optimal transmit power allocation of all the nodes is provided for the system. And simulation results verify the properties.

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Acknowledgement

This work was supported by the Natural Science Foundation of Jiangsu Province (Grants No. BK20161104), The Scientific Research Fund Project of JIT (2016 incentive program, jit-2016-jlxm-24), the Natural Science Foundation of the Jiangsu Higher Education Institutions of China (16KJB510011), the Doctoral Scientific Research Foundation of JIT (jit-b-201409, jit-b-201408, jit-b-201633) and Incubation Project of Science Foundation of JIT (jit-fhxm-201605).

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Authors and Affiliations

  1. School of Networks and Telecommunications Engineering in Jinling Institute of Technology, Nanjing, China

    Ronghua Luo, Chao Meng & Hua Shi

  2. School of Electronical and Information Engineering in Jinling Institute of Technology, Nanjing, China

    Guobing Hu

Authors
  1. Ronghua Luo
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  2. Chao Meng
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  3. Guobing Hu
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  4. Hua Shi
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Corresponding author

Correspondence to Ronghua Luo .

Editor information

Editors and Affiliations

  1. University of Science and Technology, Beijing, China

    Keping Long

  2. The University of British Columbia, Vancouver, British Columbia, Canada

    Victor C.M. Leung

  3. University of Science and Technology, Beijing, China

    Haijun Zhang

  4. Beijing University of Posts and Telecommunications, Beijing, China

    Zhiyong Feng

  5. Centre of Excellence in Telecommunications, The University of Sydney , Maze Crescent, Australia

    Yonghui Li

  6. University of Science and Technology, Beijing, China

    Zhongshan Zhang

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© 2018 ICST Institute for Computer Sciences, Social Informatics and Telecommunications Engineering

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Luo, R., Meng, C., Hu, G., Shi, H. (2018). Power Allocation in One-Way Untrusted AF Relay System with Friendly Jamming. In: Long, K., Leung, V., Zhang, H., Feng, Z., Li, Y., Zhang, Z. (eds) 5G for Future Wireless Networks. 5GWN 2017. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 211. Springer, Cham. https://doi.org/10.1007/978-3-319-72823-0_54

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  • DOI: https://doi.org/10.1007/978-3-319-72823-0_54

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-72822-3

  • Online ISBN: 978-3-319-72823-0

  • eBook Packages: Computer ScienceComputer Science (R0)

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