On Secrecy Performance of Multibeam Satellite System with Multiple Eavesdropped Users

  • Yeqiu Xiao
  • Jia Liu
  • Jiao Quan
  • Yulong Shen
  • Xiaohong Jiang
Conference paper
Part of the Communications in Computer and Information Science book series (CCIS, volume 747)


Satellite communication system is expected to play an important role in wireless networks because of its appealing contributions to ubiquitous coverage, content multicast and caching, reducing user expenditure, and so on. However, due to the inherent broadcasting nature and serious channel conditions, satellite communication system is highly vulnerable to eavesdropping attacks. As an initial step towards this end, this paper focuses on the physical layer security technique and explores the secrecy performance of a multibeam satellite system, where multiple legitimate users are served and each user is exposed to an eavesdropper located in the same beam. With perfect channel state information at the satellite and adopting the complete zero-forcing approach for signal processing, we first derive the optimal beamforming vectors to maximize the achievable secrecy rate. Based on this, we further calculate the secrecy outage probabilities of an individual user and the whole system, respectively. Finally, simulation and numerical results are provided to show the secrecy performance of the multibeam satellite system.


Multibeam satellite system Physical layer security Beamforming Secrecy outage probability 



This work was supported in part by the Natural Science Foundation of China (NSFC) under Grant U1536202, Grant 61373173, and Grant 61571352; in part by the Project of Cyber Security Establishment with Inter-University Cooperation; and in part by the Secom Science and Technology Foundation.


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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  • Yeqiu Xiao
    • 1
  • Jia Liu
    • 2
  • Jiao Quan
    • 1
  • Yulong Shen
    • 1
  • Xiaohong Jiang
    • 3
  1. 1.School of Computer Science and TechnologyXidian UniversityXi’anChina
  2. 2.Center for Cybersecurity Research and DevelopmentNational Institute of InformaticsTokyoJapan
  3. 3.School of System Information ScienceFuture University HakodateHakodateJapan

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