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» Robust node localization for wireless sensor networks
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ICDCS
2008
IEEE
15 years 10 months ago
PAS: A Wireless-Enabled, Cell-Phone-Incorporated Personal Assistant System for Independent and Assisted Living
Advances in networking, sensors, medical devices and smart phones have made it feasible to monitor and provide medical and other assistance to people either in their homes or outs...
Zheng Zeng, S. Yu, Wook Shin, Jennifer C. Hou
TSP
2008
103views more  TSP 2008»
15 years 4 months ago
Distributed Adaptive Quantization for Wireless Sensor Networks: From Delta Modulation to Maximum Likelihood
Abstract-- We consider distributed parameter estimation using quantized observations in wireless sensor networks where due to bandwidth constraint, each sensor quantizes its local ...
Jun Fang, Hongbin Li
VTC
2008
IEEE
124views Communications» more  VTC 2008»
15 years 10 months ago
Efficient Reliable Data Collection in Wireless Sensor Networks
— We propose an Efficient Reliable Data Collection (eRDC) algorithm. The eRDC is designed for energy-constraint wireless sensor networks (WSN) to balance reliability and energy c...
Ren Ping Liu, John Zic, Iain B. Collings, Alex Y. ...
ICDCS
2008
IEEE
15 years 10 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 10 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