20 search results - page 3 / 4 » Socialising across channels: group multichannel communicatio... |
CSCW
2012
ACM
12 years 1 months ago
2012
ACM
Recent advances in ubiquitous technology have greatly changed the way people stay connected. We conducted an in-depth video shadowing study to observe how close-knit groups use al...
CHI
2008
ACM
13 years 8 months ago
2008
ACM
In this paper, we introduce a prototype system designed to support mobile group socializing that has been appropriated for everyday use by 150 users over 18 months. The system sup...
ICC
2008
IEEE
14 years 12 days ago
2008
IEEE
— Feedback of channel state information (CSI) enables a multi-carrier transmitter to optimize the power allocation across sub-channels. We consider a single user feedback scheme ...
GLOBECOM
2010
IEEE
13 years 3 months ago
2010
IEEE
Providing air-time guarantees across a group of clients forms a fundamental building block in sharing an access point (AP) across different virtual network providers. Though this p...
TMC
2012
11 years 8 months ago
2012
—A number of protocols and mechanisms have been proposed to address the problem of initial secure key deployment in wireless networks. Most existing approaches work either with a...