822 search results - page 117 / 165 » Wireless course management system |
ICASSP
2008
IEEE
14 years 4 months ago
2008
IEEE
Cooperation in wireless systems can achieve spatial diversity gains as well as coverage enhancement. In the usual decode-and-forward (DF) strategy, a relay cooperates only when it...
CSI
2004
13 years 9 months ago
2004
Due to the popularity of electronic commerce and the maturity of wireless technology, mobile users can access the Internet anytime anywhere without having to physically hook up an...
ISSS
1996
IEEE
14 years 2 months ago
1996
IEEE
Traditionally, application specific computations have been focusing on numerically intensive data manipulation. Modern communications and DSP applications, such as WWW, interactiv...
PERCOM
2009
ACM
14 years 10 months ago
2009
ACM
Effective security mechanisms are essential to the widespread deployment of pervasive systems. Much of the research focus on security in pervasive computing has revolved around dis...
MOBISYS
2005
ACM
14 years 9 months ago
2005
ACM
Location-aware systems are typically deployed on a small scale and evaluated technically, in terms of absolute errors. In this paper, the authors present their experience of deplo...