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Secure Transmission Design for UAV-Based SWIPT Networks

  • Shidang Li
  • Chunguo LiEmail author
  • Hui Zhong
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11743)

Abstract

Due to the higher probability of the existence of LoS links between the transmitter and the UAVs and the broadcast nature of simultaneous wireless and information power transfer. To overcome it, we consider a secure UAV-enabled communication system with SWIPT under a non-linear EH model where the UAVs are able to collect energy from the radio frequency signals as they are idle. We formulate the secure transmit signal design as an optimization problem which aims to maximize the minimum fairness energy power at the UAVs. In addition, the considered optimization problem also considers different quality of service requirements: a maximum tolerable capacity at UAVs and a minimum needed signal-to-interference-ratio at ground information receivers. To obtain a manageable solution, we reexpress the referred problem by variable substitutions and replacing a non-convex constraint with a convex form. Then, we adopt the semidefinite relaxation (SDR) technique to obtain the optimal solution of the original problem. Simulation results indicate that the developed secure transmit signal algorithm can obtain better performance gains than other algorithms.

Keywords

Secure communication SWIPT Energy harvesting UAV 

Notes

Acknowledgments

This work was supported in part by the Natural Science Foundation of Jiangsu Higher Education Institutions of China under Grants 17KJB510016, by the Research Fund for the Doctoral Program of New Teachers of Jiangsu Normal University under Grant 17XLR029, 17XLR003, and 17XLR046, by the National Natural Science Foundation of China under Grants 61372101, 61422105, 61671144, and U1404615, by the 863 Program of China under Grant 2015AA01A703.

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.School of Physics and Electronic EngineeringJiangsu Normal UniversityXuzhouChina
  2. 2.National Communications Research LaboratorySoutheast UniversityNanjingChina

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