822 search results - page 163 / 165 » Wireless course management system |
ICC
2007
IEEE
14 years 4 months ago
2007
IEEE
—Limited spectrum resources, inefficient spectrum usage and increasing wireless communication necessitates a paradigm shift from the current fixed spectrum management policy to...
ICMCS
2006
IEEE
14 years 3 months ago
2006
IEEE
Wireless communication of video poses constraints on information capacity. Region-of-Interest (ROI) video coding provides higher quality in the ROI, but poorer quality in the back...
WOWMOM
2005
ACM
14 years 3 months ago
2005
ACM
We consider the energy consumed in radio transmission of a set of sensors forming a data gathering wireless network. Our objective is to enhance the lifetime of such networks by e...
HICSS
2003
IEEE
14 years 3 months ago
2003
IEEE
Abstract—Current mobile devices are often equipped with several network interfaces, which may be of different access technologies, both wireless and cellular. Different requireme...
SENSYS
2003
ACM
14 years 3 months ago
2003
ACM
A distinguishing characteristic of wireless sensor networks is the opportunity to exploit characteristics of the application at lower layers. This approach is encouraged by device...