| 认知无线电频谱切换技术研究 |
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| 引用本文： | 董灿. 认知无线电频谱切换技术研究[J]. 信息通信技术, 2011, 5(4): 78-82 |
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| 作者姓名： | 董灿 |
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| 作者单位： | 中国电信重庆分公司网络优化中心,重庆,400042 |
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| 摘 要： | 认知无线电技术是为提高频谱利用率,解决目前无线频谱资源紧缺问题而提出的,准确快速的频谱切换技术是其实现的关键。论文针对认知无线电技术的频谱切换问题,总结频谱切换的关键技术及研究模型,讨论频谱切换技术面临的挑战,以及频谱切换技术的研究方向。
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| 关 键 词： | 频谱切换 切换成功率 频谱移动性 QoS |
Research on the Spectrum Handoff in Cognitive Radio |
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| Dong Can School of Communication , Information Engineering,Chongqing University of Posts , Telecommunications,Chongqing ,China. Research on the Spectrum Handoff in Cognitive Radio[J]. Information and Communications Technologies, 2011, 5(4): 78-82 |
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| Authors: | Dong Can School of Communication Information Engineering Chongqing University of Posts Telecommunications Chongqing China |
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| Affiliation: | Dong Can School of Communication and Information Engineering,Chongqing University of Posts and Telecommunications,Chongqing 400065,China |
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| Abstract: | Cognitive radio is proposed to improve spectrum efficiency,and thus solve the problem of spectrum shortage.Therein,exact and fast spectrum handoff is crucial for its implementation.To be aimed at the spectrum handoff of coginitive radio,this paper summarizes the key technology and the research model.Moreover,the challenges and future research on this topic are also discussed. |
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| Keywords: | Spectrum Handoff Handoff Success Rate Spectrum Mobility Quality of Service(QoS) |
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