基于图论的动态频谱分配  

Survey on Dynamic Spectrum Allocation Based on Graph Theory

作　　者：张新春[1] 何世彪[1] 胡智伦[1] 

机构地区：[1]重庆通信学院,重庆400035

出　　处：《无线通信技术》2010年第1期50-52,61,共4页Wireless Communication Technology

摘　　要：在认知无线电系统中,动态频谱分配是决定能否充分高效利用有限频谱的关键。文中建立起网络拓扑模型,分析了基于图论着色模型的动态频谱分配技术的发展过程、研究现状。并讨论了其未来的研究方向,主要是在算法改进上。In the cognitive radio system,it is the key that the dynamic spectrum allocation decides the full and effective utilization of limited spectrum.In the article,established a network topology model,analyzed dynamic spectrum allocation process of development,the research present situation based on the gragh theory model.And discussed its future research directions,the main improvement is in algorithm.

关 键 词：认知无线电 动态频谱分配 图论着色 

分 类 号：TN929.5[电子电信—通信与信息系统]