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Antennes multistandards combinées à polarisations multiples pour les applications spatiales

Abstract : Today, due to the smaller size of telecommunication systems, antennas have to be as small as possible. However, due to the growing number of various standards, new antennas have to be able to cover several frequency bandwidths, including various radiation properties. This thesis has allowed to design many combined antennas with multiple polarizations for space applications. From the different researches of antennas with various geometries, and regarding the complexity to combine in a single radiating element several types of polarizations, the study has been divided in two parts : the first one presents specially a quadri-band antenna working in linear polarization for Bluetooth and WLAN standards. Its geometry consists of a thin folded element having a U shape, surrounded by a cylindrical cavity. The second part shows many dual band circularly polarized antennas based on corner truncated square printed elements. A monolayer radiating element dedicated to GPS and SDARS standards and a stacked dual-band GPS antenna are presented. At the end, by combining these different radiating elements, we obtained multistandard antennas mixing both linear and circular polarizations.
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Contributor : Sophie Gaffé-Clément <>
Submitted on : Thursday, February 4, 2010 - 7:57:36 AM
Last modification on : Monday, October 12, 2020 - 10:27:28 AM
Long-term archiving on: : Friday, June 18, 2010 - 6:47:41 PM


  • HAL Id : tel-00453166, version 1



G. Beddeleem. Antennes multistandards combinées à polarisations multiples pour les applications spatiales. Micro et nanotechnologies/Microélectronique. Université Nice Sophia Antipolis, 2009. Français. ⟨tel-00453166⟩



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