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Chaos-based communication systems

Chaos-based communication systems

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With the rapid development of optical communications and the increasing amount of data exchanged, it has become utterly important to provide effective architecture to protect sensitive data. The use of chaotic optoelectronic devices has already demonstrated great potential in terms of additional computational security at the physical layer of the optical network. Chaotic signals have been proposed as broadband information carriers with the potential of providing a high level of robustness and privacy in data transmission. An emerging discipline, chaos-based communication has been an important research topic in the past two decades. In this chapter, some several typical continuous chaotic systems for chaos are introduced, and optical chaos secure communication systems are discussed.

Chapter Contents:

  • 13.1 Cryptography and chaos
  • 13.2 Continuous chaotic systems
  • 13.2.1 Chua's chaotic system
  • 13.2.2 Lorentz chaotic system
  • 13.2.3 Chen's chaotic system
  • 13.2.4 Lü chaotic system
  • 13.3 Chaotic secure communication and its application in optical communication
  • 13.3.1 The design of chaotic secure communication
  • 13.3.1.1 Chaos masking
  • 13.3.1.2 Chaos shift keying
  • 13.3.1.3 Chaos modulation
  • 13.4 Optic chaotic communication
  • 13.4.1 Ikeda-delayed chaotic system
  • 13.4.2 A chaotic system with suppressed time-delay signature based on multiple electro-optic nonlinear loops
  • 13.4.3 System model
  • 13.4.4 Time-delay signature suppression
  • 13.4.5 Synchronization scheme
  • References

Inspec keywords: synchronisation; optical chaos; optoelectronic devices; optical communication; chaotic communication; telecommunication security

Other keywords: computational security; sensitive data; optical chaos; effective architecture; privacy; chaos-based communication systems; data transmission; broadband information carriers; robustness; optical network; optical communications; physical layer; typical continuous chaotic systems; chaotic optoelectronic devices; chaotic signals

Subjects: Optical communication devices, equipment and systems; Optical communication; Optical chaos and related effects

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