Wireless chaos-based communication systems: A comprehensive survey
G Kaddoum - IEEE Access, 2016 - ieeexplore.ieee.org
Since the early 1990s, a large number of chaos-based communication systems have been
proposed exploiting the properties of chaotic waveforms. The motivation lies in the …
proposed exploiting the properties of chaotic waveforms. The motivation lies in the …
Information sources using chaotic dynamics
T Kohda, A Tsuneda - Chaotic Electronics in Telecommunications, 2018 - taylorfrancis.com
This chapter reviews how Kalman embedded a prescribed Markov information source into
chaotic dynamics of the piecewise-linear-monotonic (PLM) Markov onto map and review …
chaotic dynamics of the piecewise-linear-monotonic (PLM) Markov onto map and review …
A robust sequence synchronization unit for multi-user DS-CDMA chaos-based communication systems
This paper demonstrates a way of achieving and maintaining sequence synchronization in
multi-user direct sequence code division multiple access (DS-CDMA) based chaotic …
multi-user direct sequence code division multiple access (DS-CDMA) based chaotic …
Robust synchronization for asynchronous multi-user chaos-based DS-CDMA
In this paper we propose two systems for achieving synchronization in asynchronous multi-
user chaos-based DS-CDMA. For the first system, synchronization process is realized …
user chaos-based DS-CDMA. For the first system, synchronization process is realized …
On the performance of chaos-based multicode DS-CDMA systems
S Vitali, R Rovatti, G Setti - Circuits, Systems and Signal Processing, 2005 - Springer
Multicode DS-CDMA systems assign more than one spreading sequence to each of the
users. In these systems multiple access interference (MAI) is made of a synchronous and an …
users. In these systems multiple access interference (MAI) is made of a synchronous and an …
Effect of Rayleigh fading on non-coherent sequence synchronization for multi-user chaos based DS-CDMA
This paper presents the theoretical analysis and simulation results of the effects of frequency
flat fading on non-coherent synchronization of a chaos-based DS-CDMA system. The quality …
flat fading on non-coherent synchronization of a chaos-based DS-CDMA system. The quality …
Contributions à l'amélioration des systèmes de communication multi-utilisateur par chaos: synchronisation et analyse des performances
G Kaddoum - 2008 - theses.fr
Les radiocommunications constituent actuellement un domaine en plein essor. Depuis
quelques années, de nombreux chercheurs étudient la possibilité d'utiliser des signaux …
quelques années, de nombreux chercheurs étudient la possibilité d'utiliser des signaux …
Spread-spectrum Markovian-code acquisition in asynchronous DS/CDMA systems
T Kohda, Y Jitsumatsu, TA Khan - Proceedings of the 2003 …, 2003 - ieeexplore.ieee.org
SS codes generated by a Markov chain are shown to be superior to LFSR-based codes and
IID codes in asynchronous DS/CDMA systems in terms of the following two common …
IID codes in asynchronous DS/CDMA systems in terms of the following two common …
Frequency division (FD)-based CDMA system which permits frequency offset
T Kohda, Y Jitsumatsu, K Fu**o… - 2010 IEEE 11th …, 2010 - ieeexplore.ieee.org
We propose a CDMA system which is regarded as a frequency dual of a chip-asynchronous
DS/CDMA system. In such a system, each user's signal may have a frequency offset, ie …
DS/CDMA system. In such a system, each user's signal may have a frequency offset, ie …
Reduction of MAI in asynchronous DS/CDMA systems using post-filter
Y Jitsumatsu, TA Khan, T Kohda - IEICE transactions on …, 2004 - search.ieice.org
We propose a post-filter (digital filter applied after the correlator) to reduce multiple-access
interference (MAI) in the correlator output in asynchronous communications. Optimum filter …
interference (MAI) in the correlator output in asynchronous communications. Optimum filter …