Bildik, Saygin ; Dieter, Sabine ; Fritzsch, Carsten ; Frei, Michael ; Fischer, Christoph ; Menzel, Wolfgang ; Jakoby, Rolf (2011)
Reconfigurable Liquid Crystal Reflectarray with Extended Tunable Phase Range.
Proceedings of European Microwave Conference 2011.
Konferenzveröffentlichung, Bibliographie
Kurzbeschreibung (Abstract)
A coupled microstrip structure is investigated consisting of three fingerlike patches which are designed for liquid crystal technology. A unit cell based on the coupled structure is realized and characterized with a waveguide simulator. The proposed structure has a measured tunable phase range of 582°. It is used as an antenna element to design a reconfigurable reflectarray. The realized antenna is composed of 16x16 elements, and a slotted substrate integrated waveguide is used to illuminate it. Antenna patterns for desired main beam directions are synthesized at W-band with a developed Particle Swarm Optimization algorithm. Beam steering capability of the reflectarray is presented by steering the main beam to various angles applying the bias voltages obtained from the optimization algorithm.
| Typ des Eintrags: | Konferenzveröffentlichung |
|---|---|
| Erschienen: | 2011 |
| Autor(en): | Bildik, Saygin ; Dieter, Sabine ; Fritzsch, Carsten ; Frei, Michael ; Fischer, Christoph ; Menzel, Wolfgang ; Jakoby, Rolf |
| Art des Eintrags: | Bibliographie |
| Titel: | Reconfigurable Liquid Crystal Reflectarray with Extended Tunable Phase Range |
| Sprache: | Englisch |
| Publikationsjahr: | 2011 |
| Veranstaltungstitel: | Proceedings of European Microwave Conference 2011 |
| Kurzbeschreibung (Abstract): | A coupled microstrip structure is investigated consisting of three fingerlike patches which are designed for liquid crystal technology. A unit cell based on the coupled structure is realized and characterized with a waveguide simulator. The proposed structure has a measured tunable phase range of 582°. It is used as an antenna element to design a reconfigurable reflectarray. The realized antenna is composed of 16x16 elements, and a slotted substrate integrated waveguide is used to illuminate it. Antenna patterns for desired main beam directions are synthesized at W-band with a developed Particle Swarm Optimization algorithm. Beam steering capability of the reflectarray is presented by steering the main beam to various angles applying the bias voltages obtained from the optimization algorithm. |
| Fachbereich(e)/-gebiet(e): | 18 Fachbereich Elektrotechnik und Informationstechnik > Institut für Mikrowellentechnik und Photonik (IMP) > Mikrowellentechnik 18 Fachbereich Elektrotechnik und Informationstechnik 18 Fachbereich Elektrotechnik und Informationstechnik > Institut für Mikrowellentechnik und Photonik (IMP) |
| Hinterlegungsdatum: | 27 Jan 2012 15:20 |
| Letzte Änderung: | 05 Aug 2015 12:11 |
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