439 search results - page 73 / 88 » Measuring presence in virtual environments |
ASIAMS
2009
IEEE
14 years 2 months ago
2009
IEEE
Cognitive radio has the ability to sense the environment and adapt its behavior to optimize communication features, such as quality of service in the presence of interference and ...
HT
2000
ACM
14 years 8 days ago
2000
ACM
This paper proposes the inclusion of travel and mobility in the usability metrics of web design. Hypertext design and usability has traditionally concentrated upon navigation and/...
ESOA
2006
13 years 11 months ago
2006
Evolutionary algorithms based on "tags" can be adapted to induce cooperation in selfish environments such as peer-to-peer systems. In this approach, nodes periodically co...
CORR
2006
Springer
13 years 8 months ago
2006
Springer
We consider the General Gaussian Multiple Access Wire-Tap Channel (GGMAC-WT). In this scenario, multiple users communicate with an intended receiver in the presence of an intellige...
CORR
2007
Springer
13 years 7 months ago
2007
Springer
—The general Gaussian multiple-access wiretap channel (GGMAC-WT) and the Gaussian two-way wiretap channel (GTW-WT) are considered. In the GGMAC-WT, multiple users communicate wit...