Obstacle polarization adaptable radiation pattern

The radiofrequency system with a radiation pattern matching device adjusts antenna patterns adaptively using a compact design, overcoming the limitations of existing systems by providing controlled radiation patterns with increased gain in specific directions without mechanical intervention.

FR3150652B1Active Publication Date: 2025-10-17SAGEMCOM BROADBAND SAS
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Patent Information

Application Number
FR2023006917
Authority / Receiving Office
FR · FR
Patent Type
Patents
Current Assignee / Owner
Filing Date
2023-06-29
Publication Date
2025-10-17
Estimated Expiration
2043-06-29

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Abstract

Radiofrequency system comprising a main antenna and a radiation pattern matching device (6) comprising a printed circuit (8) on which two radiating strands (10) and a reflector (25) are printed, and on which is mounted a switching circuit (17) connected to the two radiating strands and arranged to be controlled so that: when the switching circuit is in a blocked mode, the radiofrequency system (1) has a first radiation pattern; when the switching circuit is in a passing mode, the two radiating strands form a half-wave dipole antenna (18), the radiofrequency system (1) then having a second radiation pattern having an increased or decreased gain in at least one predetermined direction. FIGURE OF THE ABSTRACT: Fig.6
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