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» Self-monitoring of wireless sensor networks
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SECON
2008
IEEE
15 years 8 months ago
Deploying Directional Sensor Networks with Guaranteed Connectivity and Coverage
Abstract—In contrast to existing work on the connected coverage problem in wireless sensor networks which assumes omnidirectional sensors with disk-like sensing range, this paper...
Xiaofeng Han, Xiang Cao, Errol L. Lloyd, Chien-Chu...
DCOSS
2008
Springer
15 years 3 months ago
Improving the Data Delivery Latency in Sensor Networks with Controlled Mobility
Unlike traditional multihop forwarding among homogeneous static sensor nodes, use of mobile devices for data collection in wireless sensor networks has recently been gathering more...
Ryo Sugihara, Rajesh K. Gupta
MDM
2007
Springer
131views Communications» more  MDM 2007»
15 years 7 months ago
Q-NiGHT: Adding QoS to Data Centric Storage in Non-Uniform Sensor Networks
Storage of sensed data in wireless sensor networks is essential when the sink node is unavailable due to failure and/or disconnections, but it can also provide efficient access t...
Michele Albano, Stefano Chessa, Francesco Nidito, ...
ICDCS
2008
IEEE
15 years 8 months ago
Data Estimation in Sensor Networks Using Physical and Statistical Methodologies
Wireless Sensor Networks (WSNs) are employed in many applications in order to collect data. One key challenge is to minimize energy consumption to prolong network lifetime. A sche...
Yingshu Li, Chunyu Ai, Wiwek P. Deshmukh, Yiwei Wu
INFOCOM
2008
IEEE
15 years 8 months ago
On the Construction of a Maximum-Lifetime Data Gathering Tree in Sensor Networks: NP-Completeness and Approximation Algorithm
Abstract—Energy efficiency is critical for wireless sensor networks. The data gathering process must be carefully designed to conserve energy and extend the network lifetime. Fo...
Yan Wu, Sonia Fahmy, Ness B. Shroff