摘要
利用认知无线电的动态频谱接入技术,提高应急通信网络在突发事件中的反应效率已成为无线通信领域的研究热点。对认知无线电的几种动态频谱接入方案进行了探索及研究。由分析可知,选择合适的接入方案,将会形成认知用户间的良性竞争,降低CR业务的通信中断率,从而增大系统的吞吐量,提升整个系统的性能。
It has been a research hotspot in wireless communication field that using the dynamic spectrum access technology of cognitive radio to improve reacting efficiency of emergency communication network in the sudden events. In this article, several dynamic spectrum access schemes of cognitive radio are explored and researched. An appropriate access scheme can promote the establishment of healthy competition between the cognitive users, reduce the communication interruption rate of CR, increase system throughout and improve the whole system performance.
出处
《现代电子技术》
2011年第7期41-43,48,共4页
Modern Electronics Technique
关键词
认知无线电
动态频谱接入
应急通信网络
突发事件
cognitive radio
dynamic spectrum access
emergency communication network
sudden events
