Communicating with chaos using two-dimensional symbolic dynamics

Ying Cheng Lai, Erik Bollt, Celso Grebogi

Research output: Contribution to journalArticlepeer-review

40 Scopus citations

Abstract

Symbolic representations of controlled chaotic orbits produced by signal generators can be used for communicating. In this Letter, communicating with chaos is investigated by using more realistic dynamical systems described by two-dimensional invertible maps. The major difficulty is how to specify a generating partition so that a good symbolic dynamics can be defined. A solution is proposed whereby hyperbolic chaotic saddles embedded in the attractor are exploited for digital encoding. Issues addressed include the channel capacity and noise immunity when these saddles are utilized for communication.

Original languageEnglish (US)
Pages (from-to)75-81
Number of pages7
JournalPhysics Letters, Section A: General, Atomic and Solid State Physics
Volume255
Issue number1-2
DOIs
StatePublished - 1999
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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