Game-Based Control Mechanisms for Cognitive Radio Networks

Game-Based Control Mechanisms for Cognitive Radio Networks

Sungwook Kim (Sogang University, South Korea)
Copyright: © 2018 |Pages: 52
DOI: 10.4018/978-1-5225-2594-3.ch017
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Abstract

Comprehensive control mechanism in cognitive radio networks is an important research topic within the scope of empowering cognitive radio functionality in beyond-4G mobile networks. Providing control mechanism for secondary users without interference with primary users is an ambitious task, which requires innovative management architecture designs and routing solutions. Operational challenges such as opportunistic spectrum access, solving problems related to spectrum and network heterogeneities, and requests for the provisioning of Quality-of-Service to different applications must be resolved. As part of a novel management architecture, the control mechanism advances a new approach for cognitive radio networks. We explore this in this chapter.
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Two-Way Matching Game Based Bandwidth Sharing (Tmgbs) Scheme

Bandwidth is an extremely valuable and scarce resource, and may become congested to accommodate diverse services in wireless communications. To enhance the efficiency of bandwidth usage, the concept of cognitive radio has emerged as a new design paradigm. Recently, S. Kim proposed a new Two-way Matching Game based Bandwidth Sharing (TMGBS) scheme for cognitive radio networks (Kim, 2013). Under dynamically changing network environments, the TMGBS scheme formulates the bandwidth sharing problem as a two-way matching game model. In addition, modified game theory is adopted to reach a near Pareto optimal solution while avoiding bandwidth inefficiency. This approach can make the system more responsive to the current network situation.

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