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164
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GLOBECOM
2009
IEEE
15 years 4 months ago
2009
IEEE
Ultra-wide bandwidth (UWB) transmission is a promising technology for indoor localization due to its fine delay resolution and obstacle-penetration capabilities. However, the prese...
213
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GLOBECOM
2009
IEEE
15 years 4 months ago
2009
IEEE
Abstract--Previous simulations have shown substantial performance gains can be achieved by using hybrid cellular and wireless LAN (WLAN) approaches [1]. In a hybrid system, a proxy...
210
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HCI
2009
15 years 4 months ago
2009
This paper describes two affect-sensitive variants of an existing intelligent tutoring system called AutoTutor. The new versions of AutoTutor detect learners' boredom, confusi...
201
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HCI
2009
15 years 4 months ago
2009
Touchscreens are becoming the preferred input device in a growing number of applications. They are interesting devices which are more and more introduced into the automotive domain...
190
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ICASSP
2009
IEEE
15 years 4 months ago
2009
IEEE
We consider a broadcast channel with multiple antennas at the base station and single-antenna receivers, and we study transceiver design with Quality of Service (QoS) requirements...