Achieving sink node anonymity in tactical wireless sensor networks using a reactive routing protocol
Haakensen, Thomas J.
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A wireless sensor network (WSN) collects and routes information from the environment to an aggregation point, known as a sink node. The sink node processes the information or acts as a gateway to forward information to another network. Due to its essential role in the network, the sink node is a high priority target for an attacker who wishes to disable a WSN. In this thesis, we focus on the mitigation of sink-node vulnerability in a WSN. Specifically, in this thesis we study the issue of protecting the sink node through anonymity techniques. In particular, we use a technique known as k-anonymity. To achieve k-anonymity, we use a specific routing protocol designed to work within the constraints of WSN communication protocols, specifically IEEE 802.15.4. We use and modify the Lightweight Ad hoc On-Demand – Next Generation (LOADng) reactive-routing protocol to achieve anonymity. This modified protocol prevents an attacker from identifying the sink node without adding significant complexity to the regular sensor nodes. We simulate the modified LOADng protocol using a custom-designed simulator in MATLAB. We demonstrate the effectiveness of our protocol and also show some of the performance tradeoffs that come with this method.
RightsThis publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.
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Achieving sink node anonymity under energy constraints in Wireless Sensor Networks Callanan, Audrey F. (Monterey, California: Naval Postgraduate School, 2014-06);A wireless sensor network (WSN) is a distributed network that facilitates wireless information gathering within a region of interest. For this reason, WSNs are relied upon by the Department of Defense for deployment in ...
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