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Low-Dispersive Glide-Symmetric Leaky-Wave Antenna at 60 GHz
KTH, School of Electrical Engineering and Computer Science (EECS), Electromagnetic Engineering.
Ericsson AB, Syst & Technol, S-16480 Stockholm, Sweden..
Hamburg Univ Technol, Inst Theoret Elektrotech, D-21079 Hamburg, Germany..
KTH, School of Electrical Engineering and Computer Science (EECS), Electromagnetic Engineering.ORCID iD: 0000-0002-4900-4788
2019 (English)In: 13th European Conference on Antennas and Propagation, EuCAP 2019, IEEE, 2019, article id 8740212Conference paper, Published paper (Refereed)
Abstract [en]

In this work we demonstrate a method for producing low-loss, non-squinting, directive leaky-wave antennas (LWAs) for millimeter-wave frequencies. The scanning behaviour of the radiation pattern arises from the dispersive nature of the waveguide mode, which is leaking out when opening the wave guiding structure. We propose a method to cancel the dispersive behaviour, by allowing the leaked waves to refract in a dispersive prism-lens. The proposed method allows for fully metallic implementation of the antenna, resulting in low losses. Furthermore, high directivity is easily achieved with a simple feeding. The corresponding theory is outlined, and the proposed method is used to design an antenna operating at 60 GHz. The obtained bandwidth, with less than 1 degrees beam scanning, is 20% in simulations and the realized gain of the antenna is 17 dB across the entire bandwidth. The design is proposed as an alternative to obtain high gain antennas for 5G applications, in which low losses and narrow beams are expected to be key features for mm-waves.

Place, publisher, year, edition, pages
IEEE, 2019. article id 8740212
Series
Proceedings of the European Conference on Antennas and Propagation, ISSN 2164-3342
Keywords [en]
Leaky-wave antenna, reduced beam-squint, 5G, base station antenna, millimeter-wave
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:kth:diva-257472ISI: 000480384703067Scopus ID: 2-s2.0-85068068008ISBN: 978-8-8907-0188-7 (print)OAI: oai:DiVA.org:kth-257472DiVA, id: diva2:1347850
Conference
13th European Conference on Antennas and Propagation, EuCAP 2019; Krakow; Poland; 31 March 2019 through 5 April 2019
Note

QC 20190902

Available from: 2019-09-02 Created: 2019-09-02 Last updated: 2019-09-02Bibliographically approved

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Dahlberg, OskarQuevedo-Teruel, Oscar

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