Maximizing lifetime of event-unobservable wireless sensor networks

Bicakci, Kemal and Gultekin, Hakan and Tavli, Bulent and Bagci, Ibrahim Ethem (2011) Maximizing lifetime of event-unobservable wireless sensor networks. Computer Standards and Interfaces, 33 (4). pp. 401-410. ISSN 0920-5489

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Abstract

In wireless sensor networks (WSNs) contextual information such as the information regarding whether, when, and where the data is collected cannot be protected using only traditional measures (e.g., encryption). Contextual information can be protected against global eavesdroppers by periodic packet transmission combined with dummy traffic filtering at proxy nodes. In this paper, through a Linear Programming (LP) framework, we analyze lifetime limits of WSNs preserving event-unobservability with different proxy assignment methodologies. We show that to maximize the network lifetime data flow should pass through multiple proxies that are organized as a general directed graph rather than as a tree.

Item Type:
Journal Article
Journal or Publication Title:
Computer Standards and Interfaces
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3300/3308
Subjects:
ID Code:
62943
Deposited By:
Deposited On:
18 Mar 2013 09:04
Refereed?:
Yes
Published?:
Published
Last Modified:
25 Feb 2020 07:08