Please use this identifier to cite or link to this item:
http://hdl.handle.net/10071/25008| Author(s): | Silva, J. García-Vigueras, M. Mosig, J. Esquius-Morote, M. Costa, J. R. Fernandes, C. A. |
| Editor: | Luis M. Correia |
| Date: | 2015 |
| Title: | Lens-based Ka-band antenna system using planar feed |
| ISBN: | 978-889070185-6 |
| Keywords: | Satellite communications Ka-band Mechanical beam-steering Dielectric lens Planar feed |
| Abstract: | This paper presents a simple, low-cost and compact mobile ground terminal antenna for Ka-band satellite communications that operates in the downlink band (19.7-20.2 GHz). The antenna is composed of a shaped dielectric lens which tilts in front of a planar feed to direct the beam. The planar feed is a circularly polarized patch antenna placed inside a cavity. The lens allows a mechanical beam steering from 0° to 57° in relation to zenith with a scan loss of 4.5 dB. In order to show the potential of a planar antenna as a feeder for this application, the proposed system is compared with a previous solution composed of the same dielectric lens and a horn antenna as feeder. |
| Peerreviewed: | yes |
| Access type: | Open Access |
| Appears in Collections: | IT-CRI - Comunicações a conferências internacionais |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| conferenceobject_27014.pdf | Versão Editora | 578,58 kB | Adobe PDF | View/Open |
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