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In this project, query processing in networked sensors for the purpose of network monitoring is studied. This monitoring includes child to parent link quality, topology representation including dynamic changes due to node failures or other abnormalities. The monitoring queries have been implemented on both simulation and real-time environments in order to satisfy both scalability and real-time requirements. A multi-hop topology is constructed with family of Berkeley mica motes and real-time topology changes are observed via monitoring tool. Parameters such as logical topology representation and link qualities give an idea to the network administrator about the current state of the network which enables him/her to make decision about deploying more sensors to area, reconstructing topology etc. Content of the project report includes necessary motivation and background for WSN, querying WSN, the development platform, followed by implementation details, experiments, their results and conclusion. |
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