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认知无线网络中的认知流(英文)

Cognition Flow in Cognitive Radio Networks

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【Author】 XU Wenjun;LIN Jiaru;FENG Zhiyong;XU Wenbo;ZHANG Ping;Key Laboratory of Universal Wireless Communications of Ministry of Education, Beijing University of Posts and Telecommunications;

【机构】 Key Laboratory of Universal Wireless Communications of Ministry of Education, Beijing University of Posts and Telecommunications；

【摘要】 This paper introduces the research progress on the cognition flow in the National Basic Research Program of China(973 Program)under Grant No. 2009CB320400 "Research on Basic Theories and Key Technologies of Cognitive Radio Networks". We present the motivation behind the proposal of the concept of cognition flow, provide the definition, discuss the features, behaviours, representations, mathematical models, and the functions of cognition flow in Cognitive Radio Networks(CRNs). We also analyse how the cognition flow promotes the convergence of heterogeneous networks.Our group also constructed the test platform to verify the usefulness of cognition flow. The results that were simulated by computers and tested on the platform both confirm that cognition flow can realise efficient interaction of cognitive information among heterogeneous networks in CRNs, which contributes to the seamless convergence of heterogeneous networks,and significantly improves the spectrum efficiency and users’ Quality of Experience(QoE).更多还原

【Abstract】 This paper introduces the research progress on the cognition flow in the National Basic Research Program of China(973 Program)under Grant No. 2009CB320400 "Research on Basic Theories and Key Technologies of Cognitive Radio Networks". We present the motivation behind the proposal of the concept of cognition flow, provide the definition, discuss the features, behaviours, representations, mathematical models, and the functions of cognition flow in Cognitive Radio Networks(CRNs). We also analyse how the cognition flow promotes the convergence of heterogeneous networks.Our group also constructed the test platform to verify the usefulness of cognition flow. The results that were simulated by computers and tested on the platform both confirm that cognition flow can realise efficient interaction of cognitive information among heterogeneous networks in CRNs, which contributes to the seamless convergence of heterogeneous networks,and significantly improves the spectrum efficiency and users’ Quality of Experience(QoE).更多还原

【关键词】 cognition flow； CRN； heterogeneous network convergence； QoE；
【Key words】 cognition flow； CRN； heterogeneous network convergence； QoE；

【基金】 supported by the National Basic Research Program of China(973 Program)under Grant No.2009CB320400;the National Natural Science Foundation of China under Grants No.61101117,No.61171099;the National Key Scientific and Technological Project of China under Grant No,2012ZX03003-007;the Natural Science Foundation of Jiangxi under Grant No.20132BAB201018;the Fundamental Research Funds for the Central Universities under Grant No.BUPT2012RC0112

【文献出处】中国通信 ,China Communications , 编辑部邮箱 ,2013年10期

【分类号】TN925
【被引频次】10
【下载频次】108

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