Chaotic Signals in Digital Communications

4

Basics of communications using chaos

Géza Kolumbán

Pázmány Péter Catholic University The Faculty of Information Technology

Tamás Krébesz

Budapest University of Technology and Economics

Chi K. Tse and Francis C. M. Lau

The Hong Kong Polytechnic University

CONTENTS

4.1    Introduction

4.2    Generalization of waveform communications

4.2.1    Types of basis functions

4.2.2    Estimation problem

4.2.3    Chaotic modulation schemes

4.2.3.1    Antipodal binary CSK: modulation with one basis function

4.2.3.2    FM-DCSK: modulation with two basis functions

4.3    Signal model for detection

4.3.1    General block diagram of a receiver

4.3.2    Fourier analyzer concept

4.3.3    Quantifying “a priori” information

4.4    Derivation of detection algorithms ...