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Authors would like to acknowledge the Spanish Government, Ministry of Economy, National Program of Research, Development and Innovation for the support of this publication in the projects ENABLING-5G "ENABLING INNOVATIVE RADIO TECHNOLOGIES FOR 5G NETWORKS" (project number TEC2014-55735-C3-1-R), FUTURE-RADIO "Radio systems and technologies for high capacity terrestrial and satellite communications in an hyperconnected world" (project number TEC2017-85529-C3-1-R), JETSTREAM (project number RTC-2015-3495-7) in collaboration with TELNET Redes Inteligentes S.A, and the invaluable collaboration of DEMAC S.A.

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An Electrical-Contactless Substrate-Over-Waveguide Planar Array Slot Antenna

Publicado en:2018 48th European Microwave Conference, EuMC 2018. 388-391 - 2018-11-20 (), DOI: 10.23919/EuMC.2018.8541609

Autores: Muriel-Barrado, A T; Sierra-Perez, M; Fernandez-Gonzalez, J M

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© 2018 European Microwave Association. A novel design of substrate-over-waveguide (SOW) planar array 6times12 slot antenna is simulated and presented. It consists of 6 linear arrays fed by conventional waveguide technology. For bandwidth improvement, the 12-slot arrays are fed in the middle to form two 1times6 slot arrays. The upper face of the waveguide is not closed. Instead, a Rogers RO3003 (varepsilon-{mathrm{r}}=3 and tandelta=mathbf{0.0010}) substrate is placed above, with no electrical contact between the substrate copper foil (where the radiating slots (RS) are printed) and the waveguide network. The coupling between waveguides is avoided by a counter-phase-fed scheme. This scheme is performed by a transition composed of counter-phase coupling slots (CP-CS) located in the lower face of the waveguide network. These coupling slots in turn are fed by a corporate waveguide feeding network (CWFN) placed below the antenna. Therefore, fabrication process is enhanced, eliminating possible electrical bad contacts between substrate and waveguide layers. All the designs within this paper work in 34-36 GHz band for radar applications. CST Studio Suite Transient Solver is used to simulation process. Some prototypes will be manufactured and measured with the fabrication processes discussed in this paper.

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