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Multi-Domain Cognition for Cognitive Wireless Networks
-
Guoru Ding
,
Qihui Wu
Published/Copyright:
November 18, 2011
Abstract
Cognitive radio (CR) is a promising technology to improve the wireless spectrum utilization. The recent research of CR technology is extending from single radio domain environment to network domain environment, user domain environment and policy domain environment, which together form the multi-domain environment. To begin with, we introduce several key concepts as the preliminary knowledge of this paper. Next, we demonstrate a comprehensive theoretical framework of multi-domain cognition (MDC), in terms of connotation, three-layer framework and spatial model of MDC. Furthermore, the research challenges ahead are presented as well.
Keywords.: Cognitive wireless networks; multi-domain cognition; theoretical framework; research challenges
Received: 2011-05-05
Published Online: 2011-11-18
Published in Print: 2011-November
Copyright © 2011 De Gruyter
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Keywords for this article
Cognitive wireless networks;
multi-domain cognition;
theoretical framework;
research challenges
Articles in the same Issue
- Modal Ellipticity Characterization of Thermally Expanded Core Polarization Maintaining Optical Fibers
- Intra-channel Fiber Nonlinearity Mitigation Based on DBP in Single Channel and WDM Coherent Optical Transmission Systems Using Different Pulse Shapes
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