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JSAC
2006

Secure and resilient clock synchronization in wireless sensor networks

8 years 6 months ago
Secure and resilient clock synchronization in wireless sensor networks
Abstract--Wireless sensor networks have received a lot of attention recently due to its wide applications. An accurate and synchronized clock time is crucial in many sensor network applications. Several clock synchronization schemes have been proposed for wireless sensor networks recently to address the resource constraints in such networks. However, most of these techniques assume benign environments, but cannot survive malicious attacks in hostile environments, especially when there are compromised nodes. As an exception, a recent work attempts to detect malicious attacks against clock synchronization, and aborts when an attack is detected. Though this approach can prevent incorrect clock synchronization due to attacks, it will lead to denial of clock synchronization in such situations. This paper adopts a model where all the sensor nodes synchronize their clocks to a common source, which is assumed to be well synchronized to the external clock. This paper seeks techniques to provide...
Kun Sun, Peng Ning, Cliff Wang
Added 13 Dec 2010
Updated 13 Dec 2010
Type Journal
Year 2006
Where JSAC
Authors Kun Sun, Peng Ning, Cliff Wang
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