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» Relay sensor placement in wireless sensor networks
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ICASSP
2010
IEEE
14 years 8 months ago
Unidirectional graph-based wavelet transforms for efficient data gathering in sensor networks
We design lifting-based wavelet transforms for any arbitrary communication graph in a wireless sensor network (WSN). Since transmitting raw data bits along the routing trees in WS...
Sunil K. Narang, Godwin Shen, Antonio Ortega
ICRA
2003
IEEE
150views Robotics» more  ICRA 2003»
15 years 3 months ago
Studying the Feasibility of Energy Harvesting in a Mobile Sensor Network
We study the feasibility of extending the lifetime of a wireless sensor network by exploiting mobility. In our system, a small percentage of network nodes are autonomously mobile,...
Mohammad H. Rahimi, Hardik Shah, Gaurav S. Sukhatm...
ICASSP
2009
IEEE
15 years 4 months ago
Semi-definite programming approach to sensor network node localization with anchor position uncertainty
The problem of node localization in a wireless sensor network (WSN) with the use of the incomplete and noisy distance measurements between nodes as well as anchor position informa...
Kenneth Wing-Kin Lui, Wing-Kin Ma, Hing-Cheung So,...
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SECPERU
2006
IEEE
15 years 4 months ago
Service-Oriented Security Architecture for CII based on Sensor Networks
The extraordinary growth of the Information Society is originating a high dependency on ICT. This provokes that those strongly interrelated technological infrastructures, as well ...
Javier Lopez, José A. Montenegro, Rodrigo R...
EUC
2005
Springer
15 years 3 months ago
Neighbor Node Discovery Algorithm for Energy-Efficient Clustering in Ubiquitious Sensor Networks
Clustering algorithm is an essential element to implement a hierarchical routing protocol, especially for a large-scale wireless sensor network. In this paper, we propose a new typ...
Ji Young Choi, Chung Gu Kang, Yong-Suk Kim, Kyeong...