Mitigation of compromising privacy by transmission range control in wireless sensor networks

Authors:
Bulent Tavli;M. Mikail Ozciloglu;Kemal Bicakci
Affiliations:
Department of Computer Engineering, TOBB University of Economics and Technology, Ankara, Turkey;Department of Computer Engineering, TOBB University of Economics and Technology, Ankara, Turkey;Department of Electrical and Electronics Engineering, TOBB University of Economics and Technology, Ankara, Turkey
Venue:
IEEE Communications Letters
Year:
2010

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Abstract

Wireless sensor networks (WSNs) are used to obtain information from the surrounding areas and collected data is reported to the base station through wireless links. In certain scenarios ongoing transmissions within the network need to be concealed so that no information is leaked beyond a vulnerable area. Such a concealment effort necessitates transmit ranges of radios to be limited. However, limiting transmit ranges results in sub-optimal routing patterns within the network, which results in lower network lifetime. In this paper, through a Linear Programming (LP) framework, we analyze lifetime limits of WSNs improving contextual privacy by transmit range control.