Sciweavers

230 search results - page 6 / 46
» Spectrum Management in Cognitive Radio Networks
Sort
View
TWC
2010
13 years 2 months ago
Efficient Dynamic Spectrum Sharing in Cognitive Radio Networks: Centralized Dynamic Spectrum Leasing (C-DSL)
In this paper, we propose the concept of centralized dynamic spectrum leasing (C-DSL), in which multiple primary users belonging to the same primary system participate in the spect...
K. Hakim, Sudharman K. Jayaweera, Georges El-Howay...
INFOCOM
2010
IEEE
13 years 6 months ago
Cooperative Resource Management in Cognitive WiMAX with Femto Cells
Abstract—WiMAX with femto cells is a cost-effective nextgeneration broadband wireless communication system. Cognitive Radio (CR) has recently emerged as a promising technology to...
Jin Jin, Baochun Li
INFOCOM
2010
IEEE
13 years 6 months ago
Multicast Scheduling with Cooperation and Network Coding in Cognitive Radio Networks
—Cognitive Radio Networks (CRNs) have recently emerged as a promising technology to improve spectrum utilization by allowing secondary users to dynamically access idle primary ch...
Jin Jin, Hong Xu, Baochun Li
TWC
2008
235views more  TWC 2008»
13 years 7 months ago
Optimal spectrum sensing framework for cognitive radio networks
Spectrum sensing is the key enabling technology for cognitive radio networks. The main objective of spectrum sensing is to provide more spectrum access opportunities to cognitive r...
Won-Yeol Lee, Ian F. Akyildiz
JSAC
2008
202views more  JSAC 2008»
13 years 7 months ago
Cognitive Wireless Mesh Networks with Dynamic Spectrum Access
Wireless Mesh Networks (WMNs) are envisaged to extend Internet access and other networking services in personal, local, campus, and metropolitan areas. Mesh routers (MR) form the c...
Kaushik R. Chowdhury, Ian F. Akyildiz