253 search results - page 22 / 51 » Cognitive radio techniques for wide area networks |
MOBICOM
2004
ACM
14 years 4 months ago
2004
ACM
A new modeling framework is introduced for the analytical study of medium access control (MAC) protocols operating in multihop ad hoc networks. The model takes into account the e...
VISUALIZATION
1995
IEEE
14 years 2 months ago
1995
IEEE
Navigation in computer generated information spaces may be difficult, resulting in users getting “lost in hyperspace.” This work aims to build on research from the area of ci...
WINET
2010
13 years 9 months ago
2010
Since wireless signals propagate through the ether, they are significantly affected by attenuation, fading, multipath, and interference. As a result, it is difficult to measure ...
VTC
2007
IEEE
14 years 5 months ago
2007
IEEE
Abstract—Among radio technologies, multiple-input multipleoutput (MIMO) systems have attracted wide research interests in recent years. It is widely recognized that MIMO systems ...
WWW
2003
ACM
14 years 11 months ago
2003
ACM
The World Wide Web has not only revolutionized the area of traditional hypermedia, it is also starting to influence adaptive hypermedia research. The main feature of the World Wid...