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A multi-layer gap w...
A multi-layer gap waveguide array antenna suitable for manufactured by die-sink EDM
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- Vosoogh, Abbas, 1984 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Kildal, Per-Simon, 1951 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Vassilev, Vessen, 1969 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- ISBN 9788890701863
- 2016
- 2016
- English.
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In: 2016 10th European Conference on Antennas and Propagation, EuCAP 2016. - 9788890701863 ; , s. 7481259-
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Abstract
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- In this paper, a multilayer wideband slot array antenna is presented for high gain applications at V-band. The proposed antenna consists of three unconnected metal layers based on the recently introduced gap waveguide technology. A 2×2 cavity-backed slot subarray is fed by a ridge gap waveguide corporate distribution network. The subarray is optimized to have wide bandwidth and low grating lobes in an infinite array environment. A simple slot-tilting method is used to fulfill the radiation pattern requirement of the ETSI 302 standard for fixed radio links. A prototype consisting of 16×16 slots is manufactured by die-sink Electric Discharge Machining (EDM), a fast modern planar-3D spark machining method. The measured antenna has a relative bandwidth of 18% with input reflection coefficient better than -10 dB, and the radiation patterns satisfy the ETSI 302 standard co-polar sidelobe envelope over 56-67 GHz frequency band. The measured total aperture efficiency is over most of the frequency band better than 80%.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Kommunikationssystem (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Communication Systems (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Keyword
- gap waveguide
- slot array antenna
- EDM
- high efficiency
- millimeter wave
Publication and Content Type
- kon (subject category)
- ref (subject category)
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