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Using multiple attractor chaotic systems for communication.

T. L. Carroll1, L. M. Pecora

  • 1Code 6343, US Naval Research Lab, Washington, DC 20375.

Chaos (Woodbury, N.Y.)
|June 5, 2003
PubMed
Summary
This summary is machine-generated.

This study demonstrates a novel chaotic communications system using multiplexing. Despite no synchronization, information transmission is achieved and characterized under noisy conditions.

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Area of Science:

  • Nonlinear Dynamics
  • Chaos Theory
  • Information Theory

Background:

  • Previous research synchronized symmetric chaotic systems with one-way driving.
  • Drive systems with multiple attractors were previously synchronized by the response system.

Purpose of the Study:

  • To develop a simple communications system by combining two chaotic systems with a multiplexing technique.
  • To analyze the performance of this communications system in the presence of noise.

Main Methods:

  • Utilized a multiplexing technique developed by Tsimring and Suschick.
  • Employed two-attractor chaotic systems for the drive and response.
  • Characterized system performance with added noise.

Main Results:

  • Information transmission was achieved without synchronization between the drive and response systems.
  • The performance of the communications system was quantified under various noise levels.

Conclusions:

  • The multiplexing technique enables information transmission using chaotic systems, even without synchronization.
  • The developed system offers a method for secure communication, with performance degradation analyzed under noisy conditions.