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154
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TMC
2012
13 years 2 months ago
2012
—We investigate the following fundamental question—how fast can information be collected from a wireless sensor network organized as tree? To address this, we explore and evalu...
124
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TMC
2012
13 years 2 months ago
2012
—3G networks are currently overloaded, due to the increasing popularity of various applications for smartphones. Offloading mobile data traffic through opportunistic communicatio...
156
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TMC
2012
13 years 2 months ago
2012
—This article1 presents the design of a networked system for joint compression, rate control and error correction of video over resource-constrained embedded devices based on the...
123
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TMC
2012
13 years 2 months ago
2012
—A number of protocols and mechanisms have been proposed to address the problem of initial secure key deployment in wireless networks. Most existing approaches work either with a...
155
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TMC
2012
13 years 2 months ago
2012
— While many protocols for sensor network security provide confidentiality for the content of messages, contextual information usually remains exposed. Such information can be c...