822 search results - page 29 / 165 » Wireless course management system |
EDBTW
2010
Springer
13 years 8 months ago
2010
Springer
Nowadays, due to the lack of face-to-face contact, distance course instructors have real difficulties knowing who their students are, how their students behave in the virtual cour...
ICUMT
2009
13 years 8 months ago
2009
In WSN-based surveillance systems power conservation is an important issue but one must also ensure that the application's objectives are met. In this paper, we jointly addres...
DATE
2007
IEEE
14 years 4 months ago
2007
IEEE
Wireless sensor networks operating on limited energy resources need to be power efficient to extend the system lifetime. This is especially challenging for video sensor networks d...
MIR
2003
ACM
14 years 3 months ago
2003
ACM
We developed technologies for transmitting video contents over wireless platforms, and encapsulated these video delivery and presentation technologies into a client system for acc...
INFOCOM
2002
IEEE
14 years 3 months ago
2002
IEEE
— Third Generation (3G) Mobile Communication systems will provide enhanced high-speed data, multimedia, and voice services to mobile users. Beam forming techniques have been prop...