Title :
Enhanced differential chaos shift keying using symbolic dynamics
Author :
Maggio, Gian Mario ; Galias, Zbigniew
Author_Institution :
Center for Wireless Commun., California Univ., San Diego, La Jolla, CA, USA
Abstract :
We propose an enhanced version of the DCSK (differential chaos shift keying) scheme where the chaotic carrier is exploited for conveying useful information. This is achieved by means of a pseudo-chaotic encoder which spreads the input sequence, approximating the dynamics of the Bernoulli shift. The information encoded in the chaotic carrier is retrieved by means of standard maximum-likelihood detection methods
Keywords :
Viterbi detection; chaos; convolutional codes; digital-analogue conversion; error correction; maximum likelihood detection; modulation; Bernoulli shift; DAC; Viterbi detection; chaotic carrier; convolutional-like encoder; differential chaos shift keying; differentially coherent demodulation; digital/analog converter; error correction; maximum-likelihood detection; pseudo-chaotic encoder; symbolic dynamics; Bit error rate; Chaos; Chaotic communication; Data mining; Information retrieval; Maximum likelihood detection; Piecewise linear approximation; Robustness; Signal generators; Wireless communication;
Conference_Titel :
Global Telecommunications Conference, 2001. GLOBECOM '01. IEEE
Conference_Location :
San Antonio, TX
Print_ISBN :
0-7803-7206-9
DOI :
10.1109/GLOCOM.2001.965663
