基于认知无线电的频谱切换技术研究

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1、ABSTRACTperformanceofreactivehandoffandproactivehandoff.Thesimulationshowsthatinbothstrategiesourproactivehandoffcandecreasetheconflictsandreducetheinterference.Keywords:cognitiveradio,spectrumhandoff,proactivehandoffIII万方数据目录目录第一章绪论..........................................................

2、..............................................11.1引言................................................................................................................11.2研究的背景及意义........................................................................................21.3本论主要研究内容及结构安排..........

3、..........................................................3第二章认知无线电及频谱切换研究..................................................................52.1认知无线电概述............................................................................................52.1.1认知无线电基本知识.................................

4、............................................52.1.2认知无线电中的关键技术.....................................................................82.2认知无线电频谱切换研究..........................................................................102.2.1频谱切换的概念..........................................................

5、........................102.2.2频谱切换产生的场景...........................................................................112.2.3频谱切换关键技术及流程..................................................................122.2.4频谱切换的性能指标..........................................................................14

6、2.2.5频谱切换理论研究现状......................................................................152.3本章小结......................................................................................................18第三章认知无线电中的主动频谱切换模型及算法分析................................193.1主动切换模型研究分析.......................

7、.......................................................193.1.1切换策略比较......................................................................................193.1.2基于信道预测的主动频谱切换模型..................................................213.2基于信道空闲时间估计的算法问题分析......