一种新颖的认知无线电组播路由协议  

A Novel Multicast Routing Protocol in Cognitive Radio

作　　者：张培艳[1] 滕燕[2] 

机构地区：[1]工业和信息化部电信研究院通信计量中心 [2]中国联合网络通信有限公司北京市分公司维护中心

出　　处：《现代电信科技》2012年第8期40-45,共6页Modern Science & Technology of Telecommunications

基　　金：国家自然科学基金资助项目(No.60773074);国家"863"计划资助项目(No.2009AA01Z209;2007AA01Z213)

摘　　要：由于认知无线电(CR)网络具有频谱动态性、频谱差异性以及频谱多样性等特点,传统的组播路由策略已不再适合于CR网络,CR组播路由面临新的挑战。结合博弈论知识建立了频谱分配模型并得出了最优的纳什均衡解,详细介绍了基于时延约束的CR的组播路由协议并对其进行了分析,最后指出其进一步的研究方向。In light of the characteristics of CR with dynamic spectrum, spectrum differences and diver- sity of the spectrum, the traditional multicast strate-gy can not fit for CR any more. Therefore multicast in CR is confronted with new challenges. According to game theory, the model of spectrum allocation was established and Nash equilibrium was figured out. Then CR muhicast routing protocol based on the delay-constrained was introduced and analyzed in detail. Finally the research directions of CR multicast were pointed out.

关 键 词：认知无线电 组播路由 时延 频谱分配 

分 类 号：TN915.04[电子电信—通信与信息系统]