Multi-beam reflector antenna for satellite applications
US11710909B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 10, 2021 |
| Grant date | Jul 25, 2023 |
| Priority date | — |
| Expiry date | Sep 27, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B7/18519
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A feed array is provided that may be installed in a reflector antenna provided with a single or dual reflector optics. The feed array includes a radiating array for transmitting/receiving radiofrequency signals, a digital beam forming network, a reception conversion unit for applying a frequency down-conversion and an analog-to-digital conversion to incoming radiofrequency signals to obtain incoming digital signals. The feed array includes a transmission conversion unit for applying a digital-to-analog conversion and a frequency up-conversion to outgoing digital signals generated by the digital beam forming network to obtain outgoing radiofrequency signals. The digital beam forming network processes the incoming digital signals by using a reception matrix, and generates the outgoing digital signals by using a transmission matrix, with the matrices computed based on electric field values measured by the radiating array in the focal region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.