Wide angle impedance matching using metamaterials in a phased array antenna system
US7889127B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 22, 2008 |
| Grant date | Feb 15, 2011 |
| Priority date | — |
| Expiry date | May 16, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q21/064
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A phased array antenna system may include a sheet of conductive material with a plurality of aperture antenna elements formed in the sheet of conductive material. Each of the plurality of aperture antenna elements is capable of sending and receiving electromagnetic energy. The phased array antenna system may also include a wide angle impedance match (WAIM) layer of material disposed over the plurality of aperture antenna elements formed in the sheet of conductive material. The WAIM layer of material includes a plurality of metamaterial particles. The plurality of metamaterial particles are selected and arranged to minimize return loss and to optimize an impedance match between the phased array antenna system and free space to permit scanning of the phased array antenna system up to a predetermined angle in elevation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.