The PIM architecture for wide-area multicast routing
IEEE/ACM Transactions on Networking (TON)
System architecture directions for networked sensors
ASPLOS IX Proceedings of the ninth international conference on Architectural support for programming languages and operating systems
Wireless sensor networks: a survey
Computer Networks: The International Journal of Computer and Telecommunications Networking
Ambient intelligence and the development of embedded system software
Ambient intelligence
MASTAQ: A Middleware Architecture for Sensor Applications with Statistical Quality Constraints
PERCOMW '05 Proceedings of the Third IEEE International Conference on Pervasive Computing and Communications Workshops
Middleware to support sensor network applications
IEEE Network: The Magazine of Global Internetworking
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Due to the distributed and resource constrained nature of wireless sensor networks, their design proves to be difficult. We present a resource management framework, which integrates a data-centric lightweight operating system with a publish/subscribe middleware. In this framework, the main system abstraction is data for both local and networked processing. The resultant system software is extended with a quality-aware adaptation mechanism, which configures system timeliness according to the actual application requirements. A feedback-based control mechanism is used to iteratively tune the resultant data granularity in order to fit user requirements. Our design is evaluated by simulations and the concepts were also implemented in our sensor network testbed.