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Beating Resource Constrained Eavesdroppers: A Physical Layer Security Study

Sunny, Albert and Sarma, Siddhartha and Kuri, Joy (2015) Beating Resource Constrained Eavesdroppers: A Physical Layer Security Study. In: 13th International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOpt), MAY 25-29, 2015, Mumbai, INDIA, pp. 167-174.

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Official URL: http://dx.doi.org/10.1109/WIOPT.2015.7151069


In this paper, by augmenting beamforming with signal nulling, we present a scheme to improve the equivocation in wireless relay networks. Assuming global channel state information, memoryless adversaries, and the decode-and-forward relaying strategy, we seek to maximize the average achievable secrecy rate between the source and the legitimate destination, subject to an overall power budget per message. Then, exploiting the structure of the optimization problem, we present an online sequential approach to compute an achievable average rate. Finally, we use numerical evaluations to compare our method with the conventional schemes.

Item Type: Conference Proceedings
Additional Information: Copy right for this article belongs to the IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA
Department/Centre: Division of Electrical Sciences > Electronic Systems Engineering (Formerly Centre for Electronic Design & Technology)
Date Deposited: 08 Oct 2016 05:40
Last Modified: 08 Oct 2016 05:40
URI: http://eprints.iisc.ac.in/id/eprint/54728

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