DUAL POLARISED RADIATING ELEMENT FOR CELLULAR BASE STATION ANTENNAS
First Claim
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1. Dual polarised radiating element for a cellular base station antenna, comprising:
- a reflector surface for reflecting radiation energy,four radiating monopoles distributed around an aperture area, each radiating monopole comprising a footing protruding from said reflector surface and a flange located above the reflector surface and protruding from said footing radially towards the outside, the flanges from adjacent monopoles extending radially perpendicular to each other,four element feeds comprising each a footing portion and a flange portion connected to the upper part of the respective footing portion and perpendicular thereto, where each footing portion is capacitively coupled to a respective monopole at the level of its footing and each flange portion protruding radially from respective radiating monopole within the aperture area,powering means connected to the element feeds.
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Abstract
The invention relates to a dual polarised radiating element (1) for a cellular base station antenna, comprising:
- a reflector surface (21) for reflecting radiation energy,
- four radiating monopoles (4a to 4d) distributed around an aperture area (8), each radiating monopole comprising a footing (42a to 42d) protruding from said reflector surface and a flange (41a to 41d) located above the reflector surface and protruding from said footing radially towards the outside, the flanges from adjacent monopoles extending radially perpendicular to each other,
- wherein it further comprises:
- four element feeds (5a to 5d), each capacitively coupled to a respective monopole and protruding radially therefrom within the aperture area (8);
- powering means (6ac, 6bd, 7a to 7d, 7ac, 7bd) connected to the element feeds.
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Citations
11 Claims
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1. Dual polarised radiating element for a cellular base station antenna, comprising:
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a reflector surface for reflecting radiation energy, four radiating monopoles distributed around an aperture area, each radiating monopole comprising a footing protruding from said reflector surface and a flange located above the reflector surface and protruding from said footing radially towards the outside, the flanges from adjacent monopoles extending radially perpendicular to each other, four element feeds comprising each a footing portion and a flange portion connected to the upper part of the respective footing portion and perpendicular thereto, where each footing portion is capacitively coupled to a respective monopole at the level of its footing and each flange portion protruding radially from respective radiating monopole within the aperture area, powering means connected to the element feeds. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification