Réseaux d’antennes miniatures super-directifs reconfigurables basses fréquences pour l’IoT

Autor: Souai, Sana

Publikováno v: Electronique. Université Côte d'Azur; Université de Tunis El-Manar. Faculté des Sciences de Tunis (Tunisie), 2021. Français. ⟨NNT : 2021COAZ4020⟩

The Internet of Things (IoT) refers to any system where objects are connected to the Internet; it incorporates network connectivity architecture, advanced sensors and devices. According to recent research, about 30 billion objects are now collecting

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::b79da677f45c88c569e414521aed2e12
https://tel.archives-ouvertes.fr/tel-03324888v3/file/2021COAZ4020.pdf

Conception et mesure d'un réseau d'antennes reconfigurable sur la bande 3,4 - 3,8 GHz : contribution à la réduction de la consommation énergétique

Autor: Fofana, Seydouba

Publikováno v: Electronique. Université Rennes 1, 2020. Français. ⟨NNT : 2020REN1S031⟩

This thesis is dedicated to the design, manufacturing and characterization of a reconfigurable antenna array in the 3.4-3.8 GHz band. The active array is composed of 16 dual polarized dipoles that are able to radiate a beam steerable from ± 45° in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::ea0010cb7240b041900d4b83908a9b37
https://theses.hal.science/tel-03106276/document

Optically reconfigurable antennas in the millimeter wave domain with the integration of phase change materials

Autor: Leon Valdes, Jehison Rafael

Publikováno v: Electronique. Université de Limoges, 2020. Français. ⟨NNT : 2020LIMO0066⟩

This thesis address the design and realization of optically reconfigurable antenna systems in the millimeter wave domain integrating phase change materials (PCM). The principle of agility is based on the changes in resistivity of PCM, which have the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::0c08c996d212213770ea02085c006d00
https://theses.hal.science/tel-03129887

Compact Reconfigurable Radiation Pattern Antennas for Spatial Modulation MIMO and Introduction to the Backscatter Communications

Autor: RACHEDI, Kammel

Publikováno v: Electronique. Sorbonne Université, 2019. Français. ⟨NNT : 2019SORUS323⟩

The Spatial Modulation MIMO (Multiple Input Multiple Output) SM-MIMO has emerged to meet both the growing need for high data rates and energy efficiency of connected devices for the Internet of Things (IoT) and wireless networks (5G , Wi-Fi, etc ...)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::f1ecc60c932a74cfda1287a91f8c611d
https://theses.hal.science/tel-03139838

Contribution à la conception et à la réalisation d’antennes reconfigurables large bande à diversité pour les systèmes de communication radio cognitive de la quatrième génération

Autor: Nachouane, Hamza

Publikováno v: Electronique. Institut National des Postes et Télécommunications, 2017. Français

This thesis focuses on the study, optimization, design, and realization of new reconfigurable and wideband Radio Frequency (RF) structures for Cognitive Radio (CR) applications. The CR is an intelligent system with the ability to continuously supervi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2592::3d8bd100ae6eb9b93d7874b2967fdd3e
https://hal.archives-ouvertes.fr/tel-01712923/document