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ACM Transactions on Sensor Networks (TOSN), Volume 3 Issue 1, March 2007

Energy-efficient wireless sensor network design and implementation for condition-based maintenance
Ankit Tiwari, Prasanna Ballal, Frank L. Lewis
Article No.: 1
DOI: 10.1145/1210669.1210670

A new application architecture is designed for continuous, real-time, distributed wireless sensor networks. We develop a wireless sensor network for machinery condition-based maintenance (CBM) in small machinery spaces using commercially available...

Wave scheduling and routing in sensor networks
Niki Trigoni, Yong Yao, Alan Demers, Johannes Gehrke, Rajmohan Rajaraman
Article No.: 2
DOI: 10.1145/1210669.1210671

Sensor networks are being increasingly deployed for diverse monitoring applications. Event data are collected at various sensors and sent to selected storage nodes for further in-network processing. Since sensor nodes have strong constraints on...

The Clustered AGgregation (CAG) technique leveraging spatial and temporal correlations in wireless sensor networks
Sunhee Yoon, Cyrus Shahabi
Article No.: 3
DOI: 10.1145/1210669.1210672

Sensed data in Wireless Sensor Networks (WSN) reflect the spatial and temporal correlations of physical attributes existing intrinsically in the environment. In this article, we present the Clustered AGgregation (CAG) algorithm that forms clusters...

Analysis of the contention access period of IEEE 802.15.4 MAC
Iyappan Ramachandran, Arindam K. Das, Sumit Roy
Article No.: 4
DOI: 10.1145/1210669.1210673

The recent ratification of IEEE 802.15.4 PHY-MAC specifications for low-rate wireless personal area networks represents a significant milestone in promoting deployment of wireless sensor networks (WSNs) for a variety of commercial uses. The 15.4...

Distributed protocols for ensuring both coverage and connectivity of a wireless sensor network
Chi-Fu Huang, Yu-Chee Tseng, Hsiao-Lu Wu
Article No.: 5
DOI: 10.1145/1210669.1210674

Wireless sensor networks have attracted a lot of attention recently. Such environments may consist of many inexpensive nodes, each capable of collecting, storing, and processing environmental information, and communicating with neighboring nodes...

A combinatorial algorithmic approach to energy efficient information collection in wireless sensor networks
Xun Su
Article No.: 6
DOI: 10.1145/1210669.1210675

In this article, we examine the energy consumption of a set of sensors that transmit correlated information to a base station either directly or in an ad-hoc multihop fashion. Building on a single-hop distributed data rate allocation scheme, we...