Sensor Network Security
The subprogram in network solution covers research in design of network systems covering:
Performance and analysis of Energy-Constrained wireless sensor network
One of the main factors that hinder the wide range deployment of wireless sensor networks is the energy constraint. Because sensor nodes are designed to mainly rely on the energy provided by small batteries, the energy constraint in sensor networks has little possibility to be eliminated in the foreseen future.
Our goal is to find formal routing analysis model that provide a tight upper bound of information collection and sensor network life time. And thus the model can be used to evaluate existing and up-coming routing algorithms. We also analyses the influence of the bottleneck zone on the entire network’s performance.
Security support for wireless sensor networks
Wireless sensor networks are usually deployed in human unattended environments to finish some boring but security sensitive tasks, such as monitoring and target-tracking. These security-sensitive tasks wireless sensor networks are expected to engage in make them quite attractive to hostile attacks. The wireless communication, large scale and human unattended deployment make attacks in wireless sensor networks relatively easier to perform. Our goal is to analysis traffic model of sensor network and find a method for detect intrusion and abnormal sensor node behavior.
Privacy protection for context aware sensor network applications
Nowadays, with more and more applications utilizing sensitive sensor information such as location context aware computing, the influence of information diffusion to privacy issues becomes more and more important. However, context-aware computing environment brings a grave threat to personal privacy protection. Whoever getting the context information is able to deduce owner’s status which is not happy to share with others by owner in most cases.
We introduce the concept of information diffusion to analyze privacy. We divide all systems based on user’s requirements of diffusion scale into three categories: public, protected and private. We will analysis and propose the frame work and methods for privacy protection for context aware sensor network applications.