| 基于认知无线电的无线通信研究现状 |
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| 引用本文： | 白敏丹. 基于认知无线电的无线通信研究现状[J]. 通信技术, 2010, 43(5): 44-46,49 |
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| 作者姓名： | 白敏丹 |
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| 作者单位： | 中国传媒大学信息工程学院,北京,100024 |
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| 摘 要： | 归纳了从软件无线电到认知无线电功能的演进。认知无线电是在软件无线电的基础上提出的智能化的无线通信技术,它着力解决频谱资源的有效利用问题;认知无线电概念的提出将对现行的频谱管理体制提出挑战,并给无线通信带来新的发展空间。软件无线电在其系统硬件无需变更的情况下,可以在不同的时候根据需要通过软件加载来完成不同的功能。认知无线电可以感知周围电磁环境,通过无线电知识描述语言（RKRL）与通信网络进行智能交流,并实时调整传输参数,以达到无论何时何地都能达到通信系统的高可靠性和频谱利用的高效性。文中在此基础上探讨了认知无线电技术未来发展值得关注的热点问题。
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| 关 键 词： | 软件无线电 认知无线电 无线通信 移动通信 |
Situation of Wireless Communication Based on Cognitive Radio |
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| BAI Min-dan. Situation of Wireless Communication Based on Cognitive Radio[J]. Communications Technology, 2010, 43(5): 44-46,49 |
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| Authors: | BAI Min-dan |
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| Affiliation: | BAI Min-dan(Information Engineering School,Communication University of China,Beijing 100024,China) |
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| Abstract: | The paper summarizes the functional evolution from software radio to cognition radio.Cognitive radio is a software-defined radio based on the intelligent wireless communication technology.It emphatically resolves how to make use of spectrum resources.The proposal of cognitive concept would challenge the present spectrum management system,and bring new space for the development of wireless communication.Software radio system could,without any change of system hardware,implement various functions at different... |
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| Keywords: | software radio cognitive radio wireless communication mobile communication |
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