摘要
目前各种混沌键控调制方案中,混沌差分键控(DCSK)有着最优的抗噪性能。主要研究混沌DCSK调制在加性高斯白噪声(AWGN)信道和两径瑞利衰落延时信道(two-ray Rayleighfading channel with delay)的误码率公式,并对其误码率特性进行相应的仿真和分析,最后再与CSK系统的性能做比较。
This paper presents the performance of non - coherent DCSK communication system over AWGN channel and two - ray Rayleigh fading channel. Analytical expressions of the bit error rates are derived under the AWGN and two - ray Rayleigh fading channel with delay model. Analytical and simulated results are presented and compared. The multi - path performance of the DCSK system is also compared with that of the coherent CSK system at last.
出处
《信息技术》
2006年第12期133-136,共4页
Information Technology
关键词
混沌通信
差分混沌键控
AWGN信道
两径瑞利衰落信道
chaotic communication
differential chaos shift keying
AWGN channel
two - ray Rayleigh fading channel
