Partial Jamming for Secure Two-Way Relay Systems Without Wiretap Information: One > Two

Partial Jamming for Secure Two-Way Relay Systems Without Wiretap Information: One > Two This paper investigates the issue that whether the jamming in the second time slot should be utilized for secure two-way amplify-and-forward relay systems. Particularly, a more realistic and severe scenario is considered: no information related to the eavesdroppers is available and the number of eavesdroppers is not less than that of legitimate nodes. The impact of the jamming modes on the secure performance is carried out and reveals a novel insight that one-time-slot jamming outperforms two-time-slot jamming in high SNR region, i.e., one > two. A low-complexity and robust joint relay and partial jammer selection criterion is proposed, in which only jamming in the first time slot is employed and no wiretap information is required. Simulation results highlight the effectiveness of our design. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Wireless Personal Communications Springer Journals

Partial Jamming for Secure Two-Way Relay Systems Without Wiretap Information: One > Two

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Publisher
Springer US
Copyright
Copyright © 2017 by Springer Science+Business Media New York
Subject
Engineering; Communications Engineering, Networks; Signal,Image and Speech Processing; Computer Communication Networks
ISSN
0929-6212
eISSN
1572-834X
D.O.I.
10.1007/s11277-017-4037-2
Publisher site
See Article on Publisher Site

Abstract

This paper investigates the issue that whether the jamming in the second time slot should be utilized for secure two-way amplify-and-forward relay systems. Particularly, a more realistic and severe scenario is considered: no information related to the eavesdroppers is available and the number of eavesdroppers is not less than that of legitimate nodes. The impact of the jamming modes on the secure performance is carried out and reveals a novel insight that one-time-slot jamming outperforms two-time-slot jamming in high SNR region, i.e., one > two. A low-complexity and robust joint relay and partial jammer selection criterion is proposed, in which only jamming in the first time slot is employed and no wiretap information is required. Simulation results highlight the effectiveness of our design.

Journal

Wireless Personal CommunicationsSpringer Journals

Published: Feb 15, 2017

References

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