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Secrecy Performance Analysis of SWIPT System Based on OFDM Assisted Interference

  • Mei Qin
  • Weidang Lu
  • Hong Peng
  • Zhijiang Xu
Conference paper
Part of the Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering book series (LNICST, volume 251)

Abstract

In this paper, we consider the security communications in an OFDM - based SWIPT system by adding a full-duplex, friendly jammer with wireless powered equipment between a transmitter (Tx) and an information receiver (IR) and an energy receiver (ER) which called (regarded as) a potential eavesdropper. We propose a scheme that under friendly jammer protection TX sends source messages to IR and jammer, the jammer sends jammer signal to ER and IR while receiving information from Tx to confound potential eavesdroppers but can be eliminated at IR. Our goal is to maximize the sum secrecy information rate by jointly optimizing the power allocation at the Tx and jammers while satisfying the energy harvesting at the ER.

Keywords

OFDM SWIPT Cooperative jamming (CJ) Resource allocation 

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Copyright information

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

Authors and Affiliations

  1. 1.College of Information EngineeringZhejiang University of TechnologyHangzhouChina

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