一种用于扩频通信系统的CNN多值随机码的研究
A multilevel chaotic sequence based on CNN for spread spectrum system
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摘要: 该文结合细胞神经网络(CNN)和扩频通信系统(SSS)的特点,利用三细胞CNN混沌产生了用于扩频通信系统的多值随机码,文中给出了码的生成方法并分析了它的性能,仿真结果表明这种码性能优越,能够很好地用于扩频通信系统。Abstract: This paper puts forward a new multilevel chaotic sequence and a multifunction circuit using three-cell CNN chaos, combining the characteristic of CNN with that of the Spread Spectrum System (SSS). It also proposes a scheme of generating the Multilevel Chaotic Sequence (MCS) and analyzes its properties. Simulation results show that this kind of sequence performs quite well, which is suitable for future large-capacity SSS.
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L.O. Chua, L. Yang, Cellular neural network: Theory, IEEE Trans. on CAS, 1988, 35(10),1257-1272.[2]F. Zou, J. A. Nossek, Bifurcation and chaos in cellular neural networks, IEEE Trans. on CAS,1993, 40(3), 166-173.[3]T. Yang, L. O. Chua, Chaotic CDMA communication systems, Internationl Journal of Bifurcation and Chaos, 1997, 7(12), 2789-2905.[4]Wang Haiming, Zhao Jianye, Gu Xiaodong, Yu Daoheng, A research on DSSS based on CNN, The 8th International Conference on Neural Information Processing, Shaihai, China. 2001, 835-840.[5]金红,王可人,薛磊,郝士奇,一种用于CDMA系统的混沌多值数字序列及其性能,电子学报,2000,28(4),131-134.
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