Spectrum policy issues for state and local government
International Journal of Network Management
NeXt generation/dynamic spectrum access/cognitive radio wireless networks: a survey
Computer Networks: The International Journal of Computer and Telecommunications Networking
Chicago spectrum occupancy measurements & analysis and a long-term studies proposal
TAPAS '06 Proceedings of the first international workshop on Technology and policy for accessing spectrum
Achievable rates in cognitive radio channels
IEEE Transactions on Information Theory
Spectrum pooling: an innovative strategy for the enhancement of spectrum efficiency
IEEE Communications Magazine
Cognitive radio: brain-empowered wireless communications
IEEE Journal on Selected Areas in Communications
Capacity limits of cognitive radio with distributed and dynamic spectral activity
IEEE Journal on Selected Areas in Communications
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The allocation of wireless resources to many different services and service providers has resulted in a heavily fractured spectrum and inefficient use. However, new dynamic spectrum capabilities allow the recapture of this wastage. This work describes the creation of a virtual wireless network (VWN). Taking an approach based on cognitive radio techniques, the VWN allows new network services to be deployed utilizing only residual resources, while preserving the service to primary users. A Markov chain-based analysis is performed, and is used along with discrete event simulations to demonstrate the VWN as a management tool for supporting new services within the existing system.