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Performance Evaluation of Random Access in Cognitive Radios  

Wang, Han-Ho (상명대학교)
Yoo, Hwa-Sun (삼성전자 네트워크사업부 미디어랩)
Woo, Choong-Chae (한서대학교)
Publication Information
Journal of the Institute of Convergence Signal Processing / v.13, no.3, 2012 , pp. 156-161 More about this Journal
Abstract
Random access protocol takes advantage of constructing a decentralized wireless network due to its intrinsic spectrum sensing capability. Such technical feature goes well with cognitive radio networks consisting of heterogeneous wireless systems, in which a centralized control between heterogeneous wireless systems is hard to be implemented. Motivated by the decentralized feature of the random access, we adopt the random access protocol in cognitive radio networks, and evaluate the performance of a CSMA-based cognitive radio network.
Keywords
Cognitive Radios; Random Access;
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