基于认知无线电的通信抗干扰技术  

Anti-jamming Technology of Communication Based on CR

作　　者：杨保平[1,2] 陈永光[1,3] 肖野 尚萌 

机构地区：[1]装备指挥技术学院 [2]解放军63893部队 [3]军械工程学院

出　　处：《火力与指挥控制》2012年第8期137-140,共4页Fire Control & Command Control

基　　金：总装备部试验技术研究重大课题资助项目;获军队科技进步三等奖

摘　　要：分析了基于认知无线电(Cognitive Radio,CR)的通信抗干扰技术原理,研究了频谱感知和抗干扰策略决策等关键技术,建立了以信噪比、误码率关联变化评判通信受扰切换时机准确性准则。采用蒙特卡罗(Monte Carlo)技术进行了仿真。解决了系统工作方式误切换难以评判的技术难题。分析了在复杂电磁环境下系统遇到的问题,提出了提高基于认知无线电的抗干扰通信系统通信效率、能力的方法和进一步改进完善系统的措施。In this paper,the principle of anti-jamming technology of communication based on CR is analyzed and key technologies of spectrum sensing and anti-jamming strategy are studied.The evaluation method of correlation between SNR and BER is established.Simulation is made by using Monte Carlo technology.The problem of how to identify the mode-switching error of the system is solved.The problems in complicated electromagnetic environments are analyzed.The ways and measures to improve and perfect efficiency and capacity of the system are proposed.

关 键 词：认知无线电 抗干扰 蒙特卡罗仿真 信噪比 误码率 

分 类 号：TN919.4[电子电信—通信与信息系统]