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Design of a new differential chaos-shift-keying system for continuous mobility


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Escribano, Francisco J. et Kaddoum, Georges et Wagemakers, Alexandre et Giard, Pascal. 2016. « Design of a new differential chaos-shift-keying system for continuous mobility ». IEEE Transactions on Communications, vol. 64, nº 5. p. 2066-2078.
Compte des citations dans Scopus : 20.


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Conventional Differential Chaos-Shift-Keying systems (DCSK) are not the most suitable for supporting continuous-mobility scenarios. Therefore, in this paper an improved Continuous-Mobility Differential Chaos-Shift-Keying system (CM-DCSK) is presented that provides greater agility and improved performance in fast fading channels without accurate channel estimation while still being simple compared to a conventional DCSK system. A new DCSK frame signal is designed to reach this goal. In our new frame design, each reference sample is followed by a data carrier sample. This modification of the system design reduces the hardware complexity of DCSK because it requires a shorter wideband delay line, and significantly improves the performance over fast fading channels while keeping the noncoherent nature of the transmission system. Once the design is explained, the bit error rate performance is computed over a multipath fast fading channel and compared to the conventional DCSK system. Simulation results confirm the advantages of this new non-coherent spread-spectrum design that can support mobility.

Type de document: Article publié dans une revue, révisé par les pairs
Kaddoum, Georges
Giard, Pascal
Affiliation: Génie électrique, Autres
Date de dépôt: 30 mai 2016 16:11
Dernière modification: 30 nov. 2018 16:47
URI: http://espace2.etsmtl.ca/id/eprint/12653

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