Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/27785
Title: A return map regression approach for noncoherent detection in chaotic digital communications
Authors: Tse, CK 
Lau, FCM 
Keywords: Chaos-shift-keying modulation
Chaotic signals
Digital communication
Noncoherent detection
Regression
Return map
Issue Date: 2003
Publisher: World Scientific
Source: International journal of bifurcation and chaos in applied sciences and engineering, 2003, v. 13, no. 3, p. 685-690 How to cite?
Journal: International journal of bifurcation and chaos in applied sciences and engineering 
Abstract: Chaos-based communications can be applied advantageously if the property of chaotic systems is suitably exploited. In this Letter a simple noncoherent detection method for chaos-shift-keying (CSK) modulation is proposed, exploiting some distinguishable property of chaotic maps for recovering the digital message. Specifically, the proposed method exploits the difference in the return maps of the signals representing the digital symbols. The determining parameter of the return maps is estimated using a simple regression algorithm. If the parameter strongly characterizes the chaotic map, the detection can achieve very good accuracy. This strong parametric characterization can be achieved by defining the regression model with only one parameter. Using the tent maps as chaos generators, the bit-error-rate under additive white Gaussian noise is studied by computer simulations.
URI: http://hdl.handle.net/10397/27785
ISSN: 0218-1274
EISSN: 1793-6551
DOI: 10.1142/S0218127403006790
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