FM-DCSK - A ROBUST MODULATION SCHEME FOR CHAOTIC COMMUNICATIONS

Authors
KOLUMBAN G KIS G JAKO Z KENNEDY MP
Citation
G. Kolumban et al., FM-DCSK - A ROBUST MODULATION SCHEME FOR CHAOTIC COMMUNICATIONS, IEICE transactions on fundamentals of electronics, communications and computer science, E81A(9), 1998, pp. 1798-1802
Citations number
8
Categorie Soggetti
Engineering, Eletrical & Electronic","Computer Science Hardware & Architecture","Computer Science Information Systems
Journal title
IEICE transactions on fundamentals of electronics, communications and computer science → ACNP
ISSN journal
09168508
Volume
E81A
Issue
9
Year of publication
1998
Pages
1798 - 1802
Database
ISI
SICI code
0916-8508(1998)E81A:9<1798:F-ARMS>2.0.ZU;2-8
Abstract
In order to demodulate a Differential Chaos Shift Keying (DCSK) signal , the energy carried by the received chaotic signal must be determined . Since a chaotic signal is not periodic, the energy per bit carried b y the chaotic signal can only be estimated, even in the noise-free cas e. This estimation has a non-zero variance that limits the attainable data rate. In this paper the DCSK technique is combined with frequency modulation in order to overcome the estimation problem and to improve the data rate of DCSK modulation.