Search Results - "Lafond, O."

High-Efficient and High-Gain Superstrate Antenna for 60-GHz Indoor Communication by Vettikalladi, H., Lafond, O., Himdi, M.

“…A high-efficient and high-gain aperture coupled patch antenna with superstrate at 60 GHz is studied and presented. It is noted that adding superstrate will…”
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Design Optimization of Multishell Luneburg Lenses by Fuchs, B., Le Coqis, L., Lafond, O., Rondineau, S., Himdi, M.

“…Guidelines are provided for designing multishell Luneburg lenses (LL) whatever the primary source is. Three different optimization problems that minimize three…”
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Design and characterization of half Maxwell fish-eye lens antennas in millimeter waves by Fuchs, B., Lafond, O., Rondineau, S., Himdi, M.

“…This paper presents the performance of multilayered half Maxwell fish-eye (HMFE) lenses fed by aperture-coupled microstrip patch antennas. Manufacturing…”
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Performance of a Reconfigurable Reflector Antenna with Scanning Capability Using Low Cost Plasma Elements by Jusoh, M. T., Lafond, O., Colombel, F., Himdi, M.

“…ABSTRACT A reflector antenna with rounded shape is designed to collimate beam radiated by a quarter wave antenna operating at 2.4 GHz by implementing low cost…”
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Comparative Design and Analysis of Luneburg and Half Maxwell Fish-Eye Lens Antennas by Fuchs, B., Lafond, O., Palud, S., Le Coq, L., Himdi, M., Buck, M.C., Rondineau, S.

“…The design and performances is described of half Maxwell fish-eye (HMFE) and Luneburg lens antennas. Techniques to estimate the gradient index lens weights are…”
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Off-Axis Performances of Half Maxwell Fish-Eye Lens Antennas at 77 GHz by Fuchs, B., Lafond, O., Rondineau, S., Himdi, M., Le Coq, L.

“…The off-axis performances at 77 GHz of multilayered half Maxwell fish-eye (HMFE) lenses fed by an open-ended waveguide is describes. When moving the feed with…”
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Scattering of Spherically and Hemispherically Stratified Lenses Fed by Any Real Source by Fuchs, B., Palud, S., Le Coq, L., Lafond, O., Himdi, M., Rondineau, S.

“…An analytical method to compute the scattering of spherically and hemispherically stratified lens antennas is described. The expansion of any real source on…”
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Low loss reflection-type phase shifter in Ku band by Lambard, T., Lafond, O., Himdi, M., Jeuland, H., Bolioli, S.

“…This article presents a Ku band 360° analogue phase shifter optimized with a genetic algorithm. Varactor diodes are used as the tuning elements. The device…”
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Fresnel Lens at Millimeter-Wave: Enhancement of Efficiency and Radiation Frequency Bandwidth by Jouade, Antoine, Himdi, Mohamed, Lafond, Olivier

“…In this paper, the performance of Fresnel lens antennas is investigated in detail. The performance is evaluated in terms of aperture efficiency and stable…”
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Thick-slot transition and antenna arrays in the Q band by Lafond, O., Himdi, M., Vendier, O., Cailloce, Y.

“…This paper deals with an H‐shaped slot etched in a thick ground plane to feed multilayer antenna arrays. This study takes place under the European MIPA project…”
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High efficient and wide bandwidth Fresnel lens antenna at Millimeter-wave by Jouade, A, Himdi, M, Lafond, O

“…This paper presents an efficient technique for enhancing the aperture efficiency and the bandwidth of a Fresnel lens antenna. The phase of the spherical phase…”
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Millimeter-wave fresnel zone plate lens based on foam gradient index technological process by Jouade, A., Bor, J., Lafond, O., Himdi, M.

“…A Fresnel Zone Plate lens (FZPL) antenna working in V band is reported in this paper with half phase correction. A low cost and straightforward technological…”
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Thick slot-coupled printed antenna arrays for a 60 GHz indoor communication system by Lafond, O., Himdi, M., Daniel, J. P.

“…The development of wireless indoor communication in the millimeter‐wave domain (60 GHz) requires antenna arrays with specific performances. Microstrip…”
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Microstrip/thick-slot/microstrip transitions in millimeter waves by Lafond, O., Himdi, M., Daniel, J.P., Haese-Rolland, N.

“…This Letter deals with millimeter microstrip/thick‐slot/microstrip transitions. This kind of transition permits multilayer microstrip antenna arrays to feed…”
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Reconfigurable Radiating Antenna Array Using Plasma Tubes by Barro, Oumar Alassane, Himdi, Mohamed, Lafond, Olivier

“…A novel reconfigurable patch array antenna associated with a wall of plasma tubes is proposed at 2.45 GHz. The performance of the reconfigurable system is…”
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Frequency agile antenna at 10 GHz with high optical transparency by Martin, A., Himdi, M., Lafond, O., Castel, X.

“…This paper presents the performance of an optically transparent and frequency agile antenna printed onto glass substrate. The transparent square loop coplanar…”
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Reconfigurable antennas radiations using plasma Faraday cage by Barro, O. A., Lafond, O., Himdi, H.

“…This letter presents a new reconfigurable plasma antenna associated with a Faraday cage. The Faraday cage is realized using a fluorescent lamp. A patch antenna…”
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An Active Reconfigurable Antenna at 60 GHz Based on Plate Inhomogeneous Lens and Feeders by Lafond, O., Himdi, M., Merlet, H., Lebars, P.

“…The conception and performances of a 60 GHz active antenna, reconfigurable in terms of radiation pattern is described in this paper. This antenna is based on a…”
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Ka-Band Phased Array Antenna for High-Data-Rate SATCOM by Lambard, T., Lafond, O., Himdi, M., Jeuland, H., Bolioli, S., Le Coq, Laurent

“…The general issue of this letter deals with the design of a phased array antenna for high-data-rate SATCOM. A final demonstrator antenna could be installed on…”
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60 GHz fiber-radio communication system for indoor ATM network by Dupont, S., Loyez, C., Rolland, N., Rolland, P. A., Lafond, O., Cadiou, J. F.

“…This paper presents a 60 GHz radio over fiber communication system for high‐data‐rate ATM indoor transmission. The radio interface is fully MMIC integrated…”
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