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Ka-Band Fully Metallic TE40 Slot Array Antenna With Glide-Symmetric Gap Waveguide Technology
KTH, School of Electrical Engineering and Computer Science (EECS), Electrical Engineering, Electromagnetic Engineering.ORCID iD: 0000-0002-7243-6167
Univ Carlos III Madrid, Dept Commun & Signal Theory, Leganes 28911, Spain..
KTH, School of Electrical Engineering and Computer Science (EECS), Electrical Engineering, Electromagnetic Engineering.ORCID iD: 0000-0002-4900-4788
2019 (English)In: IEEE Transactions on Antennas and Propagation, ISSN 0018-926X, E-ISSN 1558-2221, Vol. 67, no 10, p. 6410-6418Article in journal (Refereed) Published
Abstract [en]

Gap waveguide has recently been proposed as a low-loss and low-cost technology for millimeter-wave components. The main advantage of the gap waveguide technology is that the microwave components can be manufactured in two metallic pieces that are assembled together without electrical contact. The leakage through a thin air gap between the two pieces is prevented by a 2-D periodic structure offering an electromagnetic bandgap (EBG). This EBG is conventionally implemented with metallic pins. Here, we propose the usage of a holey glide-symmetric EBG structure to design a $4\times 4$ slot array antenna that is fed with a TE40 mode. The TE40 excitation is designed based on a TE10-TE20 mode converter whose performance is initially evaluated by radiation pattern measurements. The final antenna, the $4\times 4$ slot array antenna, was manufactured in aluminum by computer numerical control (CNC) milling. The antenna has a rotationally symmetric radiation pattern that could find application as a reference antenna as well as for 5G point-to-point communications.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2019. Vol. 67, no 10, p. 6410-6418
Keywords [en]
5G, fully metallic antenna, gap waveguide technology, glide symmetry, higher modes, Ka-band, millimeter waves, slot array, TE40 mode
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-263667DOI: 10.1109/TAP.2019.2922829ISI: 000492335100019Scopus ID: 2-s2.0-85068143643OAI: oai:DiVA.org:kth-263667DiVA, id: diva2:1368817
Note

QC 20191108

Available from: 2019-11-08 Created: 2019-11-08 Last updated: 2019-12-20Bibliographically approved

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Liao, QingbiQuevedo-Teruel, Oscar

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