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Towards robust key extraction from multipath wireless channels

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3 Author(s)
Youssef El Hajj Shehadeh ; Institute of Computer Science, University of Goettingen, Germany ; Omar Alfandi ; Dieter Hogrefe

This paper tackles the problem of generating shared secret keys based on the physical characteristics of the wireless channel. We propose intelligent quantization mechanisms for key generation, achieving high secret bits generation rate. Moreover, some practical issues affecting the performance of the key generation mechanism are deeply investigated. Mainly, we investigate the effects of delay and mobility on the performance and we enhance the key generation mechanism accordingly. As a result, this paper presents a framework towards robust key generation from multipath wireless channels.

Published in:

Journal of Communications and Networks  (Volume:14 ,  Issue: 4 )