利用IDEA分组加密方法构造跳扩频序列族

为增强跳频通信的安全性与保密性,基于IDEA分组加密理论,对时间信息TOD进行加密并对所产生的密文进行压缩,构造出一种新的跳扩频序列族。对所提跳扩频序列族的均匀性、随机性、汉明相关性、线性复杂度进行了理论分析和性能仿真,并与常用混沌序列作对比,结果表明所提方法产生的跳扩频序列族具有良好的综合性能,优于常用混沌序列,可以运用于实际的跳扩频通信系统。

Family of FH/SS Sequences Based on IDEA

To enhance the secrecy and security of frequency hopping and direct sequence spread spectrum systems, a family of FH/SS sequences based on IDEA is proposed in this paper. Simulation and analysis results show that the proposed FH/SS sequences have better performance in uniformity, independence, correlation; complexities compared with the common chaotic sequences and are more suitable for actual FH/SS systems.