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173
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ISCC
2008
IEEE
16 years 26 days 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...
165
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WIMOB
2008
IEEE
16 years 25 days 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...
149
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ICC
2007
IEEE
16 years 24 days 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...
164
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ICC
2007
IEEE
16 years 24 days ago
2007
IEEE
— This paper analyzes the performance of a system architecture for the Authentication, Authorization, and Accounting (AAA), in a scenario where 3G users generate traffic and invo...
159
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INFOCOM
2007
IEEE
16 years 23 days 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...