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185
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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...
187
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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...
192
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JUCS
2006
15 years 7 months ago
2006
: In recent times, interest in Ambient Intelligence (or AmI) has increased considerably. One of the main challenges in the development of these systems is to improve their modulari...
193
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JUCS
2006
15 years 7 months ago
2006
This work analyses two heuristic algorithms based on the genetic evolution theory applied to direct sequence code division multiple access (DS/CDMA) communication systems. For diff...
227
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GRID
2007
Springer
15 years 7 months ago
2007
Springer
Combining Grid and P2P technologies can be exploited to provide high-level data sharing in large-scale distributed environments. However, this combination must deal with two hard p...