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» Efficient gathering of correlated data in sensor networks
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ICASSP
2010
IEEE
13 years 5 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
TWC
2010
13 years 2 months ago
Efficient Measurement Generation and Pervasive Sparsity for Compressive Data Gathering
We proposed compressive data gathering (CDG) that leverages compressive sampling (CS) principle to efficiently reduce communication cost and prolong network lifetime for large scal...
Chong Luo, Feng Wu, Jun Sun, Chang Wen Chen
JUCS
2010
217views more  JUCS 2010»
13 years 2 months ago
Cross Layer Optimization for Data Gathering in Wireless Multimedia Sensor Networks within Expected Network Lifetime
: The use of multimedia sensor nodes can significantly enhance the capability of wireless sensor networks (WSNs) for event description. In a number of scenarios, e.g., an erupting ...
Lei Shu, Manfred Hauswirth, Yan Zhang, Jianhua Ma,...
TPDS
2002
173views more  TPDS 2002»
13 years 7 months ago
Data Gathering Algorithms in Sensor Networks Using Energy Metrics
Sensor webs consisting of nodes with limited battery power and wireless communications are deployed to collect useful information from the field. Gathering sensed information in an...
Stephanie Lindsey, Cauligi S. Raghavendra, Krishna...
CCR
2010
203views more  CCR 2010»
13 years 7 months ago
Minimizing energy consumptions in wireless sensor networks via two-modal transmission
We present a sophisticated framework to systematically explore the temporal correlation in environmental monitoring wireless sensor networks. The presented framework optimizes los...
Yao Liang, Wei Peng