基于认知无线电的多频段跳频通信系统

A Multiband Frequency-hopping Communication System Based on Cognitive Radio

为充分利用认知无线电对环境频谱的感知能力,设计了一种基于认知无线电的多频段跳频抗干扰通信系统,通过感知单元动态控制跳频序列生成,实现了干扰频点的避让。具体实现时,采用低频段可靠传输高频段的频谱感知信息,高频段则主要用于具体业务传输,利用不同频段实现了频谱控制与应用业务的分离。

To take full advantage of the spectrum sensing ability of cognitive radio（CR）, a multiband frequency - hopping anti - jamming communication system is designed based on CR. Through dyn^m!ically controlling the generation of frequency - hopping（FH） sequence by CR unit, avoidance of the interference frequency spots is realized. In implementation, the cognitive information of high frequency band is reliably transmitted by the low frequency band, application data is transmitted by high frequency band, so the spectrum control and application traffic is isolated by different frequency band.