Prioritized resource allocation for stressed networks
IEEE/ACM Transactions on Networking (TON)
Fundamentals of WiMAX: Understanding Broadband Wireless Networking (Prentice Hall Communications Engineering and Emerging Technologies Series)
Admission Control for Non-preprovisioned Service Flow in Wireless Metropolitan Area Networks
ECUMN '07 Proceedings of the Fourth European Conference on Universal Multiservice Networks
Integrated Downlink Resource Management for Multiservice WiMAX Networks
IEEE Transactions on Mobile Computing
Internet and the Erlang formula
ACM SIGCOMM Computer Communication Review
Cross-layer optimization for OFDM wireless networks-part I: theoretical framework
IEEE Transactions on Wireless Communications
Cross-layer optimization for OFDM wireless networks-part II: algorithm development
IEEE Transactions on Wireless Communications
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Wireless Broadband Cognitive Networks (WBCN) are new trend to better utilization of spectrum and resources. However, in multiservice WBCN networks, call admission control (CAC) is a challenging point to effectively control different traffic loads and prevent the network from being overloaded and thus provide promised quality of service. In this paper, we propose a CAC framework and formulate it as an optimization problem, where the demands of both WBCN service providers and cognitive subscribers are taken into account. To solve the optimization problem, we developed an opportunistic multivariate CAC algorithm based on a joint optimization of utility, weighted fairness, and greedy revenue algorithms. Extensive simulation results show that, the proposed call admission control framework can meet the expectations of both service providers and subscribers in wireless broadband cognitive networks.