In this paper, we consider a legitimate proactive eavesdropping scenario where a central monitor tries to intercept the information exchanged between a pair of suspicious entities through amplify-and-forward full- duplex relays and a cooperative jammer. Specifically, the eavesdropping relays simultaneously listen to the suspicious transmitter and forward the eavesdropped information to the central monitor. At the same time, the jammer broadcasts the jamming signal to maintain the suspicious data rate below the channel capacity of the central monitor so that the eavesdropped information can be successfully decoded by the central monitor. In this system, we jointly design the relay precoders at the eavesdropping relays and the transmit covariance matrix at the jammer to maximize the eavesdropping rate by a two-layer semi-definite relaxation approach. Simulation results verify the efficiency of our proposed solution and show considerable performance gains over conventional schemes.
|Title of host publication||2018 IEEE International Conference on Communications, ICC 2018 - Proceedings|
|Publisher||Institute of Electrical and Electronics Engineers Inc.|
|Publication status||Published - 2018 Jul 27|
|Event||2018 IEEE International Conference on Communications, ICC 2018 - Kansas City, United States|
Duration: 2018 May 20 → 2018 May 24
|Name||IEEE International Conference on Communications|
|Other||2018 IEEE International Conference on Communications, ICC 2018|
|Period||18/5/20 → 18/5/24|
Bibliographical noteFunding Information:
The work of J. Moon, H. Lee and I. Lee was supported by National Research Foundation (NRF) funded by the Ministry of Science, ICT & Future Planning (MSIP) of Korea Government under Grant 2017R1A2B3012316. The work of C. Song was supported by the National Research Foundation of Korea through the Korea Government under Grant 2015R1C1A1A02036927.
© 2018 IEEE.
ASJC Scopus subject areas
- Computer Networks and Communications
- Electrical and Electronic Engineering