593 search results - page 20 / 119 » Cooperation and Cognitive Radio |
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
This paper considers the problem of finding sparse solutions from multiple measurement vectors (MMVs) with joint sparsity. The solutions share the same sparsity structure, and th...
69
Voted
ICASSP
2009
IEEE
15 years 4 months ago
2009
IEEE
One of the major challenges to cognitive radios is the synchronization of distributed radios onto the same spectrum white spaces which vary in time and space. In this paper, we pr...
JCM
2006
14 years 9 months ago
2006
Spectrum regulation will undergo elementary changes in the near future allowing a less restricted and more flexible access to radio spectrum. Intelligent radios, socalled cognitive...
75
Voted
INFOCOM
2008
IEEE
15 years 4 months ago
2008
IEEE
—Cognitive radio presents a new approach to wireless spectrum utilization and management. In this work, the potential performance improvement gained by applying cognitive radio t...
110
click to vote
GLOBECOM
2007
IEEE
14 years 11 months ago
2007
IEEE
—Open spectrum systems allow unlicensed secondary users equipped with cognitive radio to opportunistically access the spectrum underutilized by primary users. Cognitive radio has...