Proceedings of the 6th international conference on Information processing in sensor networks
Location-aware cross-layer design using overlay watermarks
Advances in Multimedia
Composable Information Gradients in Wireless Sensor Networks
IPSN '08 Proceedings of the 7th international conference on Information processing in sensor networks
A QoS-driven approach for service-oriented device anycasting in ubiquitous environments
Computer Networks: The International Journal of Computer and Telecommunications Networking
Information Sciences: an International Journal
Energy-efficient routing for signal detection in wireless sensor networks
IEEE Transactions on Signal Processing
Formation coordination for self-mobile localization: framework
CIRA'09 Proceedings of the 8th IEEE international conference on Computational intelligence in robotics and automation
Information quality aware routing in event-driven sensor networks
INFOCOM'10 Proceedings of the 29th conference on Information communications
Differential forms for target tracking and aggregate queries in distributed networks
Proceedings of the sixteenth annual international conference on Mobile computing and networking
Swarm intelligence based routing protocol for wireless sensor networks: Survey and future directions
Information Sciences: an International Journal
Information-Driven task routing for network management in wireless sensor networks
APNOMS'06 Proceedings of the 9th Asia-Pacific international conference on Network Operations and Management: management of Convergence Networks and Services
International Journal of Ad Hoc and Ubiquitous Computing
Distributed routing for signal detection in wireless sensor networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
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In a sensor network, data routing is tightly coupled to the needs of a sensing task, and hence the application semantics. This paper introduces the novel idea of information-directed routing, in which routing is formulated as a joint optimization of data transport and information aggregation. The routing objective is to minimize communication cost, while maximizing information gain, differing from routing considerations for more general ad hoc networks. The paper uses the concrete problem of locating and tracking possibly moving signal sources as an example of information generation process, and considers two common information extraction patterns in a sensor network: routing a user query from an arbitrary entry node to the vicinity of signal sources and back, or to a prespecified exit node, maximizing information accumulated along the path. We derive information constraints from realistic signal models, and present several routing algorithms that find near-optimal solutions for the joint optimization problem. Simulation results have demonstrated that information-directed routing is a significant improvement over a previously reported greedy algorithm, as measured by sensing quality such as localization and tracking accuracy and communication quality such as success rate in routing around sensor holes.