193 search results - page 20 / 39 » Dynamic spectrum access policies for cognitive radio |
144
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MONET
2006
15 years 1 months ago
2006
The radio frequency spectrum is a naturally limited resource of extraordinary value, as the key to the provision of important communication and information services. Traditionally,...
136
Voted
INFOCOM
2008
IEEE
15 years 8 months ago
2008
IEEE
Cognitive radio (CR) is a revolution in radio technology and is viewed as an enabling technology for dynamic spectrum access. This paper investigates how to design distributed alg...
120
Voted
GLOBECOM
2009
IEEE
15 years 8 months ago
2009
IEEE
—In this paper, we model and analyze the interactions between secondary users in a spectrum overlay cognitive system as a cognitive MAC game. In this game, each secondary user ca...
137
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GLOBECOM
2010
IEEE
14 years 11 months ago
2010
IEEE
Cognitive radio (CR) emerges as a key technology to enhance spectrum efficiency and thus creates opportunistic transmissions over links. Supporting the routing function on top of n...
163
Voted
CISS
2010
IEEE
14 years 5 months ago
2010
IEEE
—This paper presents the system level performance evaluation for energy-detection based cooperative spectrum sensing in cognitive radio networks. Three performance criteria are q...