Stealthy dissemination in intruder tracking sensor networks

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• Dr Damla Turgut, Dept. of EECS, University of Central Florida
• Monday 07 November 2011, 17:00-18:00
• EEE Room 611 (Gabor Seminar Room).

If you have a question about this talk, please contact Faye B Gosling.

Many sensor networks are deployed to detect and track intruders. If the existence and location of sensor nodes is disclosed to the opponent, the nodes can be easily disabled or compromised. Wireless transmissions in the presence of the opponent are an important source of disclosure. We first describe a way to quantify the stealthiness of the sensor node, with a numerical stealthiness metric. Then, we introduce a local model based dissemination protocol, Try and Bounce (TAB) which takes into account stealth considerations while reporting and forwarding observation reports. In an experimental study comparing TAB to the widely used directed diffusion dissemination protocol, we find that TAB achieves significantly higher stealth for equivalent tracking accuracy, or, alternatively, lower tracking error for equivalent stealth expenditure.

Refreshments at 18:00.

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