Antenna with improved coverage on a larger frequency domain
A dual-band antenna with nested resonant cavities improves coverage and gain in multiple frequency bands, addressing the complexity and size issues of existing multi-antenna systems.
EP3968465B1Active Publication Date: 2025-10-01ARIANEGRP SAS +2
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Patent Information
- Application Number
- EP2021192596
- Authority / Receiving Office
- EP · EP
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2020-09-11
- Filing Date
- 2021-08-23
- Publication Date
- 2025-10-01
- Estimated Expiration
- 2041-08-23
AI Technical Summary
Technical Problem
Existing antennas for space vehicles require multiple antennas to achieve communication functions in distinct frequency ranges, leading to a complex and large system footprint.
Method used
A dual-band antenna design with a single-mode or predominantly single-mode resonant cavities in separate frequency bands, utilizing a first resonant cavity for broad emission spectrum and a second resonant cavity to enhance gain at low elevation angles without increasing footprint.
Benefits of technology
The design achieves improved coverage and gain in multiple frequency bands with a simplified system, maintaining a compact form factor and enhancing performance at low elevation angles.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention relates to an antenna (1) comprising a radiating antenna element (5) capable of emitting a signal in at least two disjoint frequency bands and a waveguide (7) covered by the radiating antenna element, comprising two nested resonant cavities (11; 13) and each single-mode or predominantly single-mode in a distinct frequency band.
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