A new cognitive radio based admission control method for wireless mesh networks

Jing Wang; Fangfang Li

doi:10.1117/12.906501

29 October 2011 A new cognitive radio based admission control method for wireless mesh networks

Jing Wang, Fangfang Li

Proceedings Volume 8205, 2011 International Conference on Photonics, 3D-Imaging, and Visualization; 820539 (2011) https://doi.org/10.1117/12.906501
Event: 2011 International Conference on Photonics, 3D-imaging, and Visualization, 2011, Guangzhou, China

Abstract

In this paper, we address the problem of supporting applications with high bandwidth requirements in Wireless Mesh Networks (WMN) and develop a Markov analytic framework to study the important performance measures experienced by SUs in a cognitive radio (CR) based wireless mesh network. Specifically, we study the blocking and forced termination probabilities and throughput of secondary users under systems with/without spectrum handoff and channel reservation. Based on this framework, a novel dynamic cognitive channel access control algorithm for wireless mesh networks is proposed in order to maintain given quality of service (QoS) requirements. Simulation and analysis results show that our proposed dynamic cognitive channel access control algorithm can maximize the throughput while keeping forced termination and blocking probabilities of SUs' requests under the desired constraints, which providing a solution to improve load balance among multipath in wireless mesh networks.

Citation Download Citation

Jing Wang and Fangfang Li "A new cognitive radio based admission control method for wireless mesh networks", Proc. SPIE 8205, 2011 International Conference on Photonics, 3D-Imaging, and Visualization, 820539 (29 October 2011); https://doi.org/10.1117/12.906501

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KEYWORDS

Cognitive modeling

Copper

Computer simulations

Chromium

Systems modeling

Algorithm development

Analytical research

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