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GLOBECOM
2007
IEEE
14 years 1 months ago
Cognitive Radio Networks: How Much Spectrum Sharing is Optimal?
Abstract—We explore the performance tradeoff between opportunistic and regulated access inherent in the design of multiuser cognitive radio networks. We consider a cognitive radi...
Sudhir Srinivasa, Syed Ali Jafar
WIOPT
2010
IEEE
13 years 5 months ago
A contracts-based approach for spectrum sharing among cognitive radios
Abstract—Development of dynamic spectrum access and allocation techniques recently have made feasible the vision of cognitive radio systems. However, a fundamental question arise...
Dileep M. Kalathil, Rahul Jain
GLOBECOM
2009
IEEE
13 years 5 months ago
CatchIt: Detect Malicious Nodes in Collaborative Spectrum Sensing
Collaborative spectrum sensing in cognitive radio networks has been proposed as an efficient way to improve the performance of primary users detection. In collaborative spectrum se...
Wenkai Wang, Husheng Li, Yan Sun, Zhu Han
WIOPT
2010
IEEE
13 years 5 months ago
Reservation policies for revenue maximization from secondary spectrum access in cellular networks
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...
Ashraf Al Daoud, Murat Alanyali, David Starobinski
JSAC
2008
161views more  JSAC 2008»
13 years 7 months ago
HC-MAC: A Hardware-Constrained Cognitive MAC for Efficient Spectrum Management
Abstract--Radio spectrum resource is of fundamental importance for wireless communication. Recent reports show that most available spectrum has been allocated. While some of the sp...
Juncheng Jia, Qian Zhang, Xuemin Shen