认知无线电关键技术及应用  

Key Technologies and Application of Cognitive Radio

作　　者：武秀广[1] 宋旭[1] 任培明[1] 

机构地区：[1]国家无线电监测中心,北京100037

出　　处：《数字通信世界》2014年第2期57-60,共4页Digital Communication World

摘　　要：频谱资源成为无线通信的一个重要问题和制约无线通信发展的新瓶颈。认知无线电(Cognitive Radio,CR)技术成为解决频谱资源匮乏问题的有效方法。本文基于认知无线电在无线通信中的重要作用,介绍了认知无线电的概念,总结了认知无线电的关键技术,概述了认知无线电的应用情况,研究了主管部门在认知无线电下的频谱管理工作。With the rapid development of technologies in wireless communications, spectrum resource becomes an important issue and constraints of the development of new wireless communications. Cognitive radio technology has become an effective way to solve the problem of scarce spectrum resources. In view o f the important role of CR in wireless communications, the concept of CR is introduced, related key technologies are discussed, the applications of CR are listed, and finally the spectrum management under CR of the administration is studied.

关 键 词：认知无线电 频谱资源 关键技术 频谱管理 

分 类 号：TN92[电子电信—通信与信息系统] TN915[电子电信—信息与通信工程]