Similarity-based queries for time series data
SIGMOD '97 Proceedings of the 1997 ACM SIGMOD international conference on Management of data
Mining Motifs in Massive Time Series Databases
ICDM '02 Proceedings of the 2002 IEEE International Conference on Data Mining
A symbolic representation of time series, with implications for streaming algorithms
DMKD '03 Proceedings of the 8th ACM SIGMOD workshop on Research issues in data mining and knowledge discovery
TOSSIM: accurate and scalable simulation of entire TinyOS applications
Proceedings of the 1st international conference on Embedded networked sensor systems
High Performance Discovery In Time Series: Techniques And Case Studies (Monographs in Computer Science)
Software composition and verification for sensor networks
Science of Computer Programming - Special issue on new software composition concepts
Sympathy for the sensor network debugger
Proceedings of the 3rd international conference on Embedded networked sensor systems
Kansei: a testbed for sensing at scale
Proceedings of the 5th international conference on Information processing in sensor networks
Marionette: using RPC for interactive development and debugging of wireless embedded networks
Proceedings of the 5th international conference on Information processing in sensor networks
MoteLab: a wireless sensor network testbed
IPSN '05 Proceedings of the 4th international symposium on Information processing in sensor networks
S2DB: a novel simulation-based debugger for sensor network applications
EMSOFT '06 Proceedings of the 6th ACM & IEEE International conference on Embedded software
EmStar: a software environment for developing and deploying wireless sensor networks
ATEC '04 Proceedings of the annual conference on USENIX Annual Technical Conference
Clairvoyant: a comprehensive source-level debugger for wireless sensor networks
Proceedings of the 5th international conference on Embedded networked sensor systems
Slede: a domain-specific verification framework for sensor network security protocol implementations
WiSec '08 Proceedings of the first ACM conference on Wireless network security
Model Checking Medium Access Control for Sensor Networks
ISOLA '06 Proceedings of the Second International Symposium on Leveraging Applications of Formal Methods, Verification and Validation
Proceedings of the 6th ACM conference on Embedded network sensor systems
Dustminer: troubleshooting interactive complexity bugs in sensor networks
Proceedings of the 6th ACM conference on Embedded network sensor systems
Passive diagnosis for wireless sensor networks
Proceedings of the 6th ACM conference on Embedded network sensor systems
SolarStore: enhancing data reliability in solar-powered storage-centric sensor networks
Proceedings of the 7th international conference on Mobile systems, applications, and services
Ensembles as a sequence of classifiers
IJCAI'97 Proceedings of the Fifteenth international joint conference on Artifical intelligence - Volume 2
SNTS: sensor network troubleshooting suite
DCOSS'07 Proceedings of the 3rd IEEE international conference on Distributed computing in sensor systems
Formal modeling and analysis of wireless sensor network algorithms in real-time maude
IPDPS'06 Proceedings of the 20th international conference on Parallel and distributed processing
Security limits for compromising emanations
CHES'05 Proceedings of the 7th international conference on Cryptographic hardware and embedded systems
Prius: generic hybrid trace compression for wireless sensor networks
Proceedings of the 10th ACM Conference on Embedded Network Sensor Systems
FlockLab: a testbed for distributed, synchronized tracing and profiling of wireless embedded systems
Proceedings of the 12th international conference on Information processing in sensor networks
Failure detection in wireless sensor networks: A sequence-based dynamic approach
ACM Transactions on Sensor Networks (TOSN)
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Troubleshooting unresponsive sensor nodes is a significant challenge in remote sensor network deployments. This paper introduces the tele-diagnostic powertracer, an in-situ troubleshooting tool that uses external power measurements to determine the internal health condition of an unresponsive host and the most likely cause of its failure. We developed our own low-cost power meter with low-bandwidth radio to report power measurements and findings, hence allowing remote (i.e., tele-) diagnosis. The tool was deployed and tested in a remote solar-powered sensing network for acoustic and visual environmental monitoring. It was shown to successfully distinguish between several categories of failures that cause unresponsive behavior including energy depletion, antenna damage, radio disconnection, system crashes, and anomalous reboots. It was also able to determine the internal health conditions of an unresponsive node, such as the presence or absence of sensing and data storage activities (for each of multiple sensors). The paper explores the feasibility of building such a remote diagnostic tool from the standpoint of economy, scale and diagnostic accuracy. To the authors' knowledge, this is the first paper that presents a remote diagnostic tool that uses power measurements to diagnose sensor system failures.