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In a wireless sensor network, several sensor nodes obtain local data and communicate among themselves in order to create a global vision of an object of study. The idea of a self-managed network of low-power, autonomous devices, that collects data from an environment and propagates information through a wireless link brought about several new challenges and requirements in application run-time support. Several research projects have aimed at solving the problem of system support for sensor networks. However, most of them have failed in dealing with two requirements: transparent configuration of the data communication channel and efficient and unified sensor hardware abstraction. In this work the authors designed and implemented a run-time support environment for wireless sensor network applications based on the EPOS operating system.
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