32 search results - page 2 / 7 » Providing secondary access to licensed spectrum through coor... |
WIOPT
2010
IEEE
13 years 3 months ago
2010
IEEE
We consider the problem of providing opportunistic spectrum access to secondary users in wireless cellular networks. From the standpoint of spectrum license holders, achieving ben...
GLOBECOM
2009
IEEE
14 years 2 days ago
2009
IEEE
Abstract—Cognitive Radio Networks aim at enhancing spectrum utilization by allowing cognitive devices to opportunistically access vast portions of the spectrum. To reach such amb...
MOBIHOC
2009
ACM
14 years 3 days ago
2009
ACM
Spectrum is a critical yet scarce resource and it has been shown that dynamic spectrum access can significantly improve spectrum utilization. To achieve this, it is important to ...
INFOCOM
2011
IEEE
12 years 8 months ago
2011
IEEE
—Dynamic spectrum allocation has proven promising for mitigating the spectrum scarcity problem. In this model, primary users lease chunks of under-utilized spectrum to secondary ...
SECON
2007
IEEE
13 years 11 months ago
2007
IEEE
Dynamic spectrum access has become a promising approach to fully utilize the scarce spectrum resources. In a dynamically changing spectrum environment, it is very important to desi...