9401 search results - page 1497 / 1881 » Wireless Networks |
162
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ICASSP
2008
IEEE
16 years 1 months ago
2008
IEEE
We address the design and optimization of an energy-efficient lifting-based 2D transform for wireless sensor networks with irregular spatial sampling. The 2D transform is designe...
184
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ISCC
2008
IEEE
16 years 1 months ago
2008
IEEE
Wireless sensor networks (WSNs) have emerged as the enabling technology for a wide range of applications. In the context of environmental monitoring, especially in urban scenarios...
178
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WIMOB
2008
IEEE
16 years 1 months ago
2008
IEEE
—We consider the rate allocation problem for data aggregation in wireless sensor networks with two objectives: 1) maximizing the lifetime of a local aggregation cluster and, 2) a...
158
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
An impulse radio indoor mapping and positioning technique has been proposed. This technique enables impulse radios to use the times of arrival (TOAs) of dominant echoes from the su...
173
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INFOCOM
2007
IEEE
16 years 1 months ago
2007
IEEE
— We consider the problem of aggregating data at a mobile fusion center (fusor) (eg. a PDA or a cellular phone) moving within a spatial region over which a wireless sensor networ...