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DAIS
2009
13 years 10 months ago
Fault-Tolerant Aggregation by Flow Updating
Data aggregation plays an important role in the design of scalable systems, allowing the determination of meaningful system-wide properties to direct the execution of distributed a...
Paulo Jesus, Carlos Baquero, Paulo Sérgio A...
EWSN
2008
Springer
14 years 8 months ago
Spatiotemporal Anomaly Detection in Gas Monitoring Sensor Networks
In this paper3 , we use Bayesian Networks as a means for unsupervised learning and anomaly (event) detection in gas monitoring sensor networks for underground coal mines. We show t...
X. Rosalind Wang, Joseph T. Lizier, Oliver Obst, M...
GLOBECOM
2009
IEEE
14 years 3 months ago
MRSD: Multirate-Based Service Differentiation for the IEEE 802.15.4 Wireless Sensor Network
—The IEEE 802.15.4 standard has no provisions for rate sensitive applications because of its ability to operate in pure CSMA/CA or TDMA modes. Some operating scenarios for rate-s...
Chewoo Na, Yaling Yang
WICON
2008
13 years 10 months ago
Optimal stochastic routing in low duty-cycled wireless sensor networks
We study a routing problem in wireless sensor networks where sensors are duty-cycled. When sensors alternate between on and off modes, delay encountered in packet delivery due to ...
Dongsook Kim, Mingyan Liu
BROADNETS
2005
IEEE
14 years 2 months ago
A Lightweight framework for source-to-sink data transfer in wireless sensor networks
— Lightweight protocols that are both bandwidth and power thrifty are desirable for sensor networks. In addition, for many sensor network applications, timeliness of data deliver...
James Jobin, Zhenqiang Ye, Honomount Rawat, Srikan...