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Affichage de 31 à 40 sur 16563

  • Thèse

Experimental Characterization of Propagation Channels for Sub-6 GHz Cell-Free Massive MIMO Systems, Caractérisation expérimentale du canal de propagation pour les réseaux Cell-Free Massive MIMO en bande sub-6 GHz

Dimitrios Nixarlidis

In this PhD thesis, a comprehensive experimental and analytical study of cell-free massive multiple-input multiple-output (MIMO) systems based on an extensive real-world channel measurement campaign is presented. The measurements were conducted on the scientific campus of Villeneuve d’Ascq using…, Cette thèse de doctorat présente une étude expérimentale et analytique approfondie des systèmes MIMO massifs cell-free, fondée sur une vaste campagne de mesures de canal réalisée en conditions réelles. Les mesures ont été menées sur le campus scientifique de Villeneuve d’Ascq à l’aide du sondeur de…

Physics [physics]. Université de Lille, 2026. English. ⟨NNT : ⟩. ⟨tel-05844852⟩

  • Article dans une revue

A Newtonian Archive, fl. 1707–1708: Celestino Galiani’s Observations on the Principia and the Recasting of Physical Concepts

Raffaele Pisano, Paolo Bussotti

This article reconstructs a Neapolitan manuscript corpus on Isaac Newton’s (1642–1727) Philosophiae Naturalis Principia Mathematica preserved in the Fondo manoscritti Celestino Galiani at the Società Napoletana di Storia Patria. Its documentary centre is Celestino Galiani’s (1681–1753) Osservazioni…

Notes and Records of the Royal Society, In press. ⟨hal-05852853⟩

  • Thèse

Porous Silicon Micropillar Platforms for Integrated Thin-Layer Chromatography and Laser Desorption/Ionization Mass Spectrometry Imaging

Clara Whyte Ferreira

Separating and identifying chemical compounds in complex mixtures is important in many fields, including environmental monitoring, pharmaceutical analysis, and healthcare. These tasks usually rely on two complementary techniques: chromatography, which separates molecules according to their chemical…

Physics [physics]. Univesité de Liège, 2026. English. ⟨NNT : ⟩. ⟨tel-05838070⟩

  • Pré-publication, Document de travail

Out-of-Plane Transport and Thermal Properties of an Organic Charge-Transfer Thin Film and its Donor/Acceptor Constituents.

Maria Elisabetta Giglio, Alexandra Harbuzaru, L. Thomas, Dominique Vuillaume, Marta Mas-Torrent

Vertical charge injection and out-of-plane heat transport are central to organic electronic materials, yet remain largely unexplored in solution-processed thin films of donor-acceptor charge-transfer systems. Here, we investigate Ph-BTBT-C10, F4TCNQ, and their 1:1 charge-transfer complex (CTC) by…

2026. ⟨hal-05701996⟩

  • Article dans une revue

Higher-order Tamm modes in nano-structured cap layers on a distributed Bragg reflector: Application for advanced optical sensing

Oumaima Haidar, Baptiste Mathmann, Yannick Dusch, Mohamed Boutghatin, Gaëtan Lévêque, El Houssaine El Boudouti, Abdellah Mir, Abdellatif Akjouj, Abdelkrim Talbi

Tamm modes, strongly confined between a metal and a distributed Bragg reflector (DBR), offer the advantage of being accessible with conventional excitation sources, without requiring coupling elements such as prisms. Here, we experimentally observe higher-order Tamm modes in such structures by…

Optical Materials, 2026, 179, pp.118385. ⟨10.1016/j.optmat.2026.118385⟩. ⟨hal-05724911⟩

  • Article dans une revue

Bound states in the continuum in a photonic step ladder cavity

Eman Abdel-Ghaffar, Amina Rezzouk, Fatima Houari, Soufyane Khattou, Madiha Amrani, El Houssaine El Boudouti, Abdelkrim Talbi, Bahram Djafari-Rouhani, Housni Al-Wahsh, Leonard Dobrzyński, Abdellatif Akjouj

This paper presents an analytical study of bound states in the continuum (BICs) in a photonic step-ladder waveguide structure. We demonstrate that BICs can arise in a cavity formed by one vertical and two horizontal waveguides inserted between two semi-infinite leads. Using the Green’s function…

Optics and Lasers in Engineering, 2026, 206, pp.110027. ⟨10.1016/j.optlaseng.2026.110027⟩. ⟨hal-05718791⟩

  • Communication dans un congrès

Power control for mixed URLLC and eMBB traffic in cell-free massive MIMO under pilot jamming

Felix Odoom, Joumana Farah, Liesbet van der Perre, Eric Pierre Simon, Tim Claeys

<div><p>A wide range of new services in 5G and beyond networks introduces stricter reliability demands, increasing concerns about jamming. This work studies the effect of pilot jamming on user-centric cell-free massive multiple-input multipleoutput (MIMO) networks operating with mixed…

IEEE International Workshop on Signal Processing Systems (SIPS 2026), Nov 2026, Bordeaux, France. ⟨hal-05749913⟩

  • Communication dans un congrès

Interfacial Hole Accumulation Enables Selective Free-Surface Formation in Ge-on-Si.

Youcef A Bioud, Meriem Bouchilaoun, Waldemar Schreiber, Redouane Amrar, Gilles Patriarche, Ali Soltani, Stefan Janz

Electrochemically formed two-dimensional free surfaces (2DFS) decouple Ge epilayers from the misfit-dislocation network at the Ge/Si interface, but the origin of their selectivity has remained unclear. We combine finite-volume current-distribution modelling, including charge-transfer kinetics, with…

SEMICON Europa, Nov 2026, Munich, Germany. ⟨hal-05848743⟩

  • Article dans une revue

Blind adaptive time domain equalizer for CP-free MCM based NOMA systems

Nour El Houda Bouda, Sid Ahmed Elahmar, Anis Amazigh Hamza, Iyad Dayoub

Despite the widespread adoption of Cyclic Prefix (CP)-based waveforms in conventional wireless communication systems, their spectral efficiency is inherently limited by the overhead introduced by the guard interval. To overcome this limitation, recent studies have explored reliable CP-free…

Physical Communication, 2026, 80, pp.103358. ⟨10.1016/j.phycom.2026.103358⟩. ⟨hal-05781982⟩

  • Ouvrages

Smart Radio Communications

Laurent Clavier, Chiara Buratti

The ebook edition of this title is Open Access and freely available to read online. Radio communications are a cornerstone of modern life, reshaping how we connect, work, and interact. In the years ahead, they will drive even greater efficiency in industries, safety in transportation, and…

Emerald Publishing Limited, 1, 2026, 978-1-80686-850-6. ⟨10.1108/978-1-80686-849-0⟩. ⟨hal-05842192⟩