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ICASSP
2010
IEEE
13 years 7 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
EUROMICRO
2004
IEEE
14 years 23 days ago
Determination of Aggregation Points in Wireless Sensor Networks
A primary goal in the design of wireless sensor networks is lifetime maximization, constrained by the energy capacity of batteries. One well known method to reduce energy consumpt...
Utz Roedig, André M. Barroso, Cormac J. Sre...
EUC
2005
Springer
14 years 2 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...
PIMRC
2008
IEEE
14 years 3 months ago
Overcoming radio link asymmetry in wireless sensor networks
— We derive two new energy efficient reliable data transport protocols for overcoming the negative impact of asymmetric radio links in wireless sensor networks. The energy effici...
Ren Ping Liu, Zvi Rosberg, Iain B. Collings, Carol...
QSHINE
2009
IEEE
14 years 3 months ago
Joint Optimization of System Lifetime and Network Performance for Real-Time Wireless Sensor Networks
Maximizing the aggregate network utility and minimizing the network energy consumption are important but conflict goals in wireless sensor networks. Challenges arise due to the app...
Lei Rao, Xue Liu, Jian-Jia Chen, Wenyu Liu