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Source-Location Privacy Based on Directed Greedy Walk in Wireless Sensor Networks

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1 Author(s)
Jianbo Yao ; Dept. of Comput. Sci., Zunyi Normal Coll., Zunyi, China

Wireless sensor networks are used to monitor sensitive objects, the privacy about monitored object' locations become an important issue. Flooding-based phantom has a problem that message latencies become larger and energy costs become higher. In this paper, DGWK (Directed Greedy Walk) is proposed to make it difficult for an adversary to backtrack hop-by-hop to the origin of the sensor communication. Compared to Flooding-based phantom, DGWK has smaller message latencies and lower energy costs. Especially, Directed Greedy Walk has bigger safety period when intermediate node has multi-parent-nodes.

Published in:

Wireless Communications Networking and Mobile Computing (WiCOM), 2010 6th International Conference on

Date of Conference:

23-25 Sept. 2010