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基于多涡卷系统的多进制数字混沌键控方式

DOI: 10.11834/jig.2004012276

Keywords: 混沌键控,多进制,数字信号,发送端,接收端,数字调制,保密通信,密钥,加密,二进制

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Abstract:

多涡卷混沌吸引子的主要特点是具有复杂的混沌动力学行为和多个螺旋密钥参数,可在保密通信中获得应用。在研究其产生机理的基础上,进一步提出了用多涡卷混沌系统实现多进制数字混沌键控(MDCSK)的一种方案。其工作原理是,在发送端,用多进制数字信号对多涡卷混沌吸引子的多个斜率值进行数字调制,从而产生多进制混沌键控信号。在接收端,根据驱动-响应式同步和相关解调原理恢复出原来的多进制数字信号。与二进制混沌键控(CSK)相比,多进制数字混沌键控(MDCSK)方式能体现出利用多个螺旋密钥参数来加密多进制数字信号这一主要优点。通过该方案的理论分析和计算机模拟结果,证实了这一方法的有效性。

References

[1]  Dedieu H, Kennedy M P, Hasler M. Chaos shift keying:Modulation and demodulation of a chaotic carrier using selfsynchronizing Chua\'s circuits[J]. IEEE Transactions on Circuits and Systems-Ⅱ, 1993, 40(10): 634~643.
[2]  Yang T, Chua L O. Chaotic digital code-division multiple access(CDMA) communication systems [J]. International Journal of Bifurcation and Chaos, 1997, 7(12): 2789~2805.
[3]  Chua L O, Komuro M, Matsumoto T. The double scroll family,Part 1 and Part 2 [J]. IEEE Transactions on Circuits and Systems-I, 1986, 33(11): 1073~1118.
[4]  Zhong G Q, Ayrom F. Experimental confirmation of chaos from Chua\'s circuit [J]. International Journal of Circuit Theory and Applications, 1985,13(1): 93~98.
[5]  Yalcin M E, Suykens J A K, Vandewalle J. Experimental confirmation of 3- and 5-scroll attractors from a generalized Chua\'s circuit [J]. IEEE Transactions on Circuits and Systems-I, 2000, 47(3): 425~429.
[6]  Tang W K S, Zhong G Q, Chen G, et al Generation of N-scroll attractors via sine function[J]. IEEE Transactions on Circuits and Systems-I, 2001, 48(11): 1369~1372.
[7]  Kolumban G, Kennedy M P, Chua L O. The role of synchronization in digital communications using chaos-Part Ⅱ:Chaotic modulation and chaotic synchronization [J]. IEEE Transactions on Circuits and Systems-I, 1998, 45(11): 1129~1140.
[8]  Kolumban G, Kennedy M P. The role of synchronization in digital communications using chaos-Part 3: Performance bounds for correlation receivers[J]. IEEE Transactions on Circuits and Systems-I, 2000, 47(12): 1673~1683.
[9]  Kennedy M P, Kolumban G, Kis G, et al. Performance evaluation of FM-DCSK modulation in multipath environments[J]. IEEE Transactions on Circuits and Systems-I, 2000,47(12): 1702~1711.
[10]  Kolumban G, Kennedy M P, Kis G, et al. FM-DCSK: A robust modulation scheme for chaotic communications [J ]. IEICE Transactions Fundamentals, 1998,E81-A(9) :1798~1802.
[11]  Matsumoto T, Chua L O, Komuro M. The double scroll[J].IEEE Transactions on Circuits and Systems-I, 1985, 32 (8):798~817.
[12]  Suykens J A K, Vandewalle J. Generation of n-double scrolls(n=1,2,3,4,…) [J]. IEEE Transactions on Circuits and Systems-I, 1993, 40(11): 861~867.
[13]  禹思敏,丘水生,林清华.多涡卷混沌吸引子研究的新结果[J].中国科学(E辑),2003,33(4):365~374.
[14]  Pecora L M, Carroll T L. Synchronization in chaotic systems[J]. Physical Review Letters, 1990, 64(8): 821~823.

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