caa a22 4500 606206442 CHVBK 20210128101011.0 cr unu---uuuuu 210128e20150201xx s 000 0 eng 10.1007/s00034-014-9856-8 doi (NATIONALLICENCE)springer-10.1007/s00034-014-9856-8 Robust Chaotic Communication Based on Indirect Coupling Synchronization [Elektronische Daten] [Abdelkader Senouci, Abdelkrim Boukabou, Krishna Busawon, Ahmed Bouridane, Achour Ouslimani] This paper proposes a chaotic communication approach using indirect coupled synchronization scheme with high power encrypted signals. The proposed scheme is carefully designed so that the encrypted signal does not deteriorate the synchronization unlike in traditional communication methods. The synchronization problem is solved using observer-based controller. The advantages of this approach are the general and systematic feedback observer design methodology suitable for convergence rate of synchronization; flexibility in selection of chaotic signals for cryptosystem secure key generator; and improvement of the frequency-domain characteristics of the transmitted message. Computer simulations show that the synchronization between the transmitter and the receiver is more robust for different amplitude values of the information signal, even in the presence of external disturbances. Springer Science+Business Media New York, 2014 Chaotic communication systems nationallicence Chaos synchronization nationallicence n-Shift encryption nationallicence Unified chaotic system nationallicence Chua system nationallicence Senouci Abdelkader Ecole Militaire Polytechnique, Algiers, Algeria aut Boukabou Abdelkrim Department of Electronics, Jijel University, Ouled Aissa, BP 98, 18000, Jijel, Algeria aut Busawon Krishna Faculty of Engineering and Environment, Northumbria University, Newcastle upon Tyne, UK aut Bouridane Ahmed Faculty of Engineering and Environment, Northumbria University, Newcastle upon Tyne, UK aut Ouslimani Achour ENSEA, 6 Avenue du Ponceau, 95014, Cergy-Pontoise, France aut Circuits, Systems, and Signal Processing Springer US; http://www.springer-ny.com 34/2(2015-02-01), 393-418 0278-081X 34:2<393 2015 34 34 https://doi.org/10.1007/s00034-014-9856-8 text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s00034-014-9856-8 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Senouci Abdelkader Ecole Militaire Polytechnique, Algiers, Algeria aut NATIONALLICENCE 700 1- Boukabou Abdelkrim Department of Electronics, Jijel University, Ouled Aissa, BP 98, 18000, Jijel, Algeria aut NATIONALLICENCE 700 1- Busawon Krishna Faculty of Engineering and Environment, Northumbria University, Newcastle upon Tyne, UK aut NATIONALLICENCE 700 1- Bouridane Ahmed Faculty of Engineering and Environment, Northumbria University, Newcastle upon Tyne, UK aut NATIONALLICENCE 700 1- Ouslimani Achour ENSEA, 6 Avenue du Ponceau, 95014, Cergy-Pontoise, France aut NATIONALLICENCE 773 0- Circuits, Systems, and Signal Processing Springer US; http://www.springer-ny.com 34/2(2015-02-01), 393-418 0278-081X 34:2<393 2015 34 34