22 search results - page 5 / 5 » Enabling Secondary Access through Robust Primary User Channe... |
PIMRC
2008
IEEE
13 years 11 months ago
2008
IEEE
—One of the major challenges in designing cellular Cognitive Radio (CR) networks is the avoidance of Secondary User (SU) interference to so called Primary Users (PUs) operating i...
SIGGRAPH
1993
ACM
13 years 8 months ago
1993
ACM
We believe that navigation in information spaces is best supported by tapping into our natural spatial and geographic ways of thinking. To this end, we are developing a new comput...