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Theses

Prototypage de systèmes Haut Débit combinant Étalement de spectre, Multi-porteuses et Multi-antennes

Abstract : Modern communication networks are now confronted with increasing needs in terms of data rates and mobility. The fourth generation developments relies on both new transmission techniques and on improved hardware architectures. The so-called MC-CDMA modulation scheme has recently emerged as one of the most promising technique for future networks physical layer. This modulation scheme combines multi-carrier modulations and spread spectrum technique. The emergence of MIMO techniques provides more data rate or more robustness. The combination of both techniques assumed to be a good compromise in order to meet wide mobility and high data rates constraints. This thesis deals with the study and the implementation of MC-CDMA communication systems and of MC-CDMA combined with MIMO systems. It also considers the definition and the optimization of appropriate design methods on heterogeneous architectures. This work has been done for European MATRICE project and for the Brittany area PALMYRE project.


Following a general description of the context and of MC-CDMA, MIMO related principles, a well-proportioned system is presented. Implementation complexity on a mixed DSP-FPGA prototyping board is then analyzed for both systems. MCSE codesign methodology is then considered for MC-CDMA system and MIMO-MC-CDMA system design. The complete design flow is then detailed for both systems. The great interest of these methodologies for such systems optimization is then demonstrated.
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https://tel.archives-ouvertes.fr/tel-00011317
Contributor : Arnaud Massiani <>
Submitted on : Monday, January 30, 2006 - 6:29:50 PM
Last modification on : Friday, January 8, 2021 - 3:41:28 AM
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  • HAL Id : tel-00011317, version 2

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Arnaud Massiani. Prototypage de systèmes Haut Débit combinant Étalement de spectre, Multi-porteuses et Multi-antennes. Traitement du signal et de l'image [eess.SP]. INSA de Rennes, 2005. Français. ⟨tel-00011317v2⟩

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