Online tracking of mobile users
Journal of the ACM (JACM)
GPSR: greedy perimeter stateless routing for wireless networks
MobiCom '00 Proceedings of the 6th annual international conference on Mobile computing and networking
Rumor routing algorthim for sensor networks
WSNA '02 Proceedings of the 1st ACM international workshop on Wireless sensor networks and applications
GHT: a geographic hash table for data-centric storage
WSNA '02 Proceedings of the 1st ACM international workshop on Wireless sensor networks and applications
Directed diffusion for wireless sensor networking
IEEE/ACM Transactions on Networking (TON)
Modified tree structure for location management in mobile environments
INFOCOM '95 Proceedings of the Fourteenth Annual Joint Conference of the IEEE Computer and Communication Societies (Vol. 2)-Volume - Volume 2
LLS: a locality aware location service for mobile ad hoc networks
Proceedings of the 2004 joint workshop on Foundations of mobile computing
Combs, needles, haystacks: balancing push and pull for discovery in large-scale sensor networks
SenSys '04 Proceedings of the 2nd international conference on Embedded networked sensor systems
A line in the sand: a wireless sensor network for target detection, classification, and tracking
Computer Networks: The International Journal of Computer and Telecommunications Networking - Special issue: Military communications systems and technologies
A Spatiotemporal Query Service for Mobile Users in Sensor Networks
ICDCS '05 Proceedings of the 25th IEEE International Conference on Distributed Computing Systems
Analyzing the Yield of ExScal, a Large-Scale Wireless Sensor Network Experiment
ICNP '05 Proceedings of the 13TH IEEE International Conference on Network Protocols
ExScal: Elements of an Extreme Scale Wireless Sensor Network
RTCSA '05 Proceedings of the 11th IEEE International Conference on Embedded and Real-Time Computing Systems and Applications
Differential games in large-scale sensor-actuator networks
Proceedings of the 5th international conference on Information processing in sensor networks
Kansei: A High-Fidelity Sensing Testbed
IEEE Internet Computing
VigilNet: An integrated sensor network system for energy-efficient surveillance
ACM Transactions on Sensor Networks (TOSN)
Double rulings for information brokerage in sensor networks
Proceedings of the 12th annual international conference on Mobile computing and networking
A distributed algorithm for managing multi-target identities in wireless ad-hoc sensor networks
IPSN'03 Proceedings of the 2nd international conference on Information processing in sensor networks
GLANCE: a lightweight querying service for wireless sensor networks
OPODIS'06 Proceedings of the 10th international conference on Principles of Distributed Systems
Distance-Sensitive information brokerage in sensor networks
DCOSS'06 Proceedings of the Second IEEE international conference on Distributed Computing in Sensor Systems
A hierarchy-based fault-local stabilizing algorithm for tracking in sensor networks
OPODIS'04 Proceedings of the 8th international conference on Principles of Distributed Systems
eShare: a capacitor-driven energy storage and sharing network for long-term operation
Proceedings of the 8th ACM Conference on Embedded Networked Sensor Systems
Analysis of Deterministic Tracking of Multiple Objects Using a Binary Sensor Network
ACM Transactions on Sensor Networks (TOSN)
Achieving long-term operation with a capacitor-driven energy storage and sharing network
ACM Transactions on Sensor Networks (TOSN)
International Journal of Ad Hoc and Ubiquitous Computing
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Distributed observation and control of mobile objects via static wireless sensors demands timely information in a distance-sensitive manner: Information about closer objects is required more often and more quickly than that of farther objects. In this article, we present a wireless sensor network protocol, Trail, that supports distance-sensitive tracking of mobile objects for in-network subscribers upon demand. Trail achieves a find time that is linear in the distance from a subscriber to an object, via a distributed data structure that is updated only locally when the object moves. Notably, Trail does not partition the network into a hierarchy of clusters and clusterheads, and as a result Trail has lower maintenance costs, is more locally fault tolerant, and it better utilizes the network in terms of load balancing and minimizing the size of the data structure needed for tracking. Moreover, Trail is reliable and energy efficient, despite the network dynamics that are typical of wireless sensor networks. Trail can be refined by tuning certain parameters, thereby yielding a family of protocols that are suited for different application settings such as rate of queries, rate of updates, and network size. We evaluate the performance of Trail by analysis, simulations in a 90 × 90 sensor network, and experiments on 105 Mica2 nodes in the context of a pursuer-evader control application.