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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Jun Zhao Yagan, O. Gligor, V. |
| Copyright Year | 2013 |
| Description | Author affiliation: CyLab, Carnegie Mellon Univ., Pittsburgh, PA, USA (Yagan, O.) || Dept. of ECE, Carnegie Mellon Univ., Pittsburgh, PA, USA (Jun Zhao; Gligor, V.) |
| Abstract | Random key predistribution scheme of Eschenauer and Gligor (EG) is a typical solution for ensuring secure communications in a wireless sensor network (WSN). Connectivity of the WSNs under this scheme has received much interest over the last decade, and most of the existing work is based on the assumption of unconstrained sensor-to-sensor communications. In this paper, we study the k-connectivity of WSNs under the EG scheme with physical link constraints; k-connectivity is defined as the property that the network remains connected despite the failure of any (k - 1) sensors. We use a simple communication model, where unreliable wireless links are modeled as independent on/off channels, and derive zero-one laws for the properties that i) the WSN is k-connected, and ii) each sensor is connected to at least k other sensors. These zero-one laws improve the previous results by Rybarczyk on the k-connectivity under a fully connected communication model. Moreover, under the on/off channel model, we provide a stronger form of the zero-one law for the 1-connectivity as compared to that given by Yağan. |
| Starting Page | 2790 |
| Ending Page | 2794 |
| File Size | 200951 |
| Page Count | 5 |
| File Format | |
| ISBN | 9781479904464 |
| ISSN | 21578117 |
| DOI | 10.1109/ISIT.2013.6620734 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2013-07-07 |
| Publisher Place | Turkey |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Wireless sensor networks Sensors Channel models Encryption Educational institutions minimum node degree key predistribution random key graphs k-connectivity |
| Content Type | Text |
| Resource Type | Article |
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