6800 search results - page 869 / 1360 » On optimizing collective communication |
186
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JSAC
2006
15 years 7 months ago
2006
We consider a code-spread and chip-interleaved time-hopping (TH) multiple-access scheme for multiuser ultra-wideband (UWB) communications. In such a system, each user's chip s...
188
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JUCS
2006
15 years 7 months ago
2006
: Higher education courses are increasingly created as student organized collections of interrelated modules. At the same time, frequent change of subject matter and knowledge in i...
183
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IJNSEC
2007
15 years 7 months ago
2007
Image steganography is a covert communication method that uses an image as the cover to hide the truth from potential attackers that some secret message hidden in the image is bei...
253
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TC
2008
15 years 7 months ago
2008
As one of the fundamental issues in wireless sensor networks (WSNs), the sensor localization problem has recently received extensive attention. In this work, we investigate this pr...
204
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TII
2008
15 years 7 months ago
2008
In wireless sensor networks each sensor node has very limited resources, and it is very difficult to find and collect them. For this reason, updating or adding programs in sensor n...