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.
出处
《火力与指挥控制》
CSCD
北大核心
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
