摘要
随着各种无线通信新技术和应用不断出现,频谱资源变得越来越紧张,使用认知无线电技术将实现频率资源的动态使用,有效解决目前严重的频谱资源紧张问题,提高无线电频谱的使用效率。认知无线电技术越来越受到全球广泛的关注,世界各国均开始研究应用认知无线电技术解决频谱使用紧张问题。本文简要分析了认知无线电技术的特点、发展趋势和对全球通信行业的影响。
With the emerging of various wireless technologies and applications, the radio spectrum has become even more scarce resource. Cognitive radio technology will enable the dynamic use of frequency resources and improve radio spectrum efficiency. Cognitive radio technology has attracted world wide attention, more and more countries around the world have begun their research and application. This paper analyzes the characteristics and trends of cognitive radio technologies, as well as its impact on the global communications industry.
出处
《现代电信科技》
2009年第12期26-30,共5页
Modern Science & Technology of Telecommunications
关键词
认知无线电
频谱资源
移动通信
cognitive radio （CR）, spectrum resource, mobile communication
