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Volume 19 Issue 2
Mar.  1997
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Zhou Hong, Luo Jie, Ling Xieting . RESEARCH ON DIGITAL CHAOTIC SYSTEM FOR SECURE COMMUNICATION[J]. Journal of Electronics & Information Technology, 1997, 19(2): 202-208.
Citation: Zhou Hong, Luo Jie, Ling Xieting . RESEARCH ON DIGITAL CHAOTIC SYSTEM FOR SECURE COMMUNICATION[J]. Journal of Electronics & Information Technology, 1997, 19(2): 202-208.

RESEARCH ON DIGITAL CHAOTIC SYSTEM FOR SECURE COMMUNICATION

  • Received Date: 1994-08-21
  • Rev Recd Date: 1995-03-08
  • Publish Date: 1997-03-19
  • The chaotic secure communication method proposed by D. R. Frey (1993) is studied. The system is composed of regressive nonlinear digital filters. Several practical aspects of the communication are analyzed, such as the correlation functions, the tolerance to noise, the sensitivity to parameter mismatches and the effect of finite word length, etc. Another chaotic system is introduced to increase the security of the communication. Simulation result shows that the method is secure and easy to realize.
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  • Pecora L M, Carroll T L. Synchronization in chaostic systems[J].Phys. Rev. Lett.1990, 64(8):821-824[2]Pecora L M, Carroll T L. Driving systems with chaoatic signals[J].Phys. Rev. A.1991, 44(4):2374-2382[3]Pecora L M, Carroll T L. Synchronized chaotic signal and systems. in Proc. 1992, IEEE ICASSP.[4]Carroll T L, Pecora L M. Synchronization in chaotic circuits. IEEE Trans. on CAS, 1991, CAS-38(4): 453-456.[5]Cuomo K M, Oppenheim A V, Strogatz S. H. Synchronization of Lorenz-based chaotic circuits with applications to communications. IEEE Trans. on CAS, 1993, CAS-40(10): 626-633.[6]Kocarev L, Halle K S, Eckert K, et al. Experimental demonstration of secure communications via chaotic synchronization[J].Int. J. BifurcationChaos.1992, 2(3):709-713[7]Parlitz U, Chua L O, Kocarev L, et al. Transmission of digital signals by chaotic synchronization[J].Int.J. Bifurcation Chaos.1992, 2:973-977[8]Dedieu H, Kennedy M P, Hasler M. Chaos shift keying: Modulation and demodulation of a chaotic carrier using self-synchronizing Chuas circuits. IEEE Trans. on CAS, 1993, CAS-40(10): 634-643.[9]Halle K S, Wu C W, Itoh M, et al. Spread spectrum communication through modulation of chaos[J].Int. J. BifurcationChaos.1993, 3(2):469-477[10]Fey D R. Chaotic digital encoding: An approach to secure communication. IEEE Trans. on CAS, 1993, CAS-40(10): 660-666.[11]Cuomo K M, Oppenheim A V. Chaotic signals and systems for communications. Proc. IEEE ASSP Conf., Minneapolis, MN: 1993, III:137-140.[12]Lin T, Chua L O. On chaos of digital filters in the real world. IEEE Trans, on CAS, 1992, CAS-38(5): 557-558.[13]Chua L O, Lin T. Chaos in digital filters. IEEE Trans. CAS, 1988, CAS-35(6): 648-658.
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