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MOBISYS
2009
ACM
14 years 8 months ago
2009
ACM
We design, implement, and evaluate a vehicular communication system that improves uplink connectivity through multi-lobe beam pattern switching on a smart antenna. Directionality ...
ICC
2007
IEEE
14 years 2 months ago
2007
IEEE
— In this paper, we present an analytical method to evaluate the bit error rate (BER) of the ultra-wideband (UWB) system in the IEEE 802.15.4a standardized channel model. The IEE...
CHI
2005
ACM
14 years 8 months ago
2005
ACM
To contribute to systems that reason about human attention, our work empirically demonstrates how a user's mental workload changes during task execution. We conducted a study...
PAISI
2009
Springer
14 years 2 months ago
2009
Springer
Discovering a representative set of theme patterns from a large amount of text for interpreting their meaning has always been concerned by researches of both data mining and inform...
ICDCS
1997
IEEE
14 years 10 days ago
1997
IEEE
Clusters of networked, off-the-shelf workstations are currently used for computationintensive, parallel applications. However, it is hardly possible to predict the timing behaviou...