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Physical layer security for wirelessly powered communication systems

Physical layer security for wirelessly powered communication systems

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The main purpose of this chapter is to present the achievable secrecy performance of power beacon (PB)-assisted wirelessly powered communication systems. We first introduce the PB-assisted wiretap channel model and then present an analytical study on the achievable secrecy outage performance assuming a simple maximum ratio transmission (MRT) beamformer at the information source. Later on, the optimal design of the transmit beamformer is investigated. Next, the PB is exploited to act as a friendly jammer to further enhance the secrecy performance of the system. We conclude the chapter with a summary and present potential interesting directions in the area.

Chapter Contents:

  • 9.1 Introduction
  • 9.1.1 Background
  • 9.1.2 Literature review
  • 9.1.3 Organization of the chapter
  • 9.2 Secrecy performance of wirelessly powered wiretap channels
  • 9.2.1 System model
  • 9.2.2 Secrecy performance analysis
  • 9.2.3 Resource allocation
  • 9.2.4 Numerical results
  • 9.3 Secrecy performance of wirelessly powered wiretap channels with a friendly jammer
  • 9.3.1 System model
  • 9.3.2 Transmit beamforming design
  • 9.3.3 Performance analysis
  • 9.3.4 Numerical results
  • 9.4 Conclusion and future directions
  • 9.4.1 Future directions
  • References

Inspec keywords: diversity reception; telecommunication security; array signal processing; radiofrequency power transmission

Other keywords: maximum ratio transmission beamformer; power beacon-assisted wirelessly-powered communication systems; RF-based wireless energy transfer; physical layer security; MRT beamformer; radio frequency-based wireless energy transfer; information source; PB-assisted wiretap channel model; achievable secrecy outage performance

Subjects: Signal processing and detection

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