Multibeam antenna with a passive beamforming system in LTCC technology for Mm-wave systems-in-package

Abstract : This paper presents an innovative switched-beam antenna system at 60 GHz which is completely integrated in a low-profile, planar low temperature co-fired ceramic (LTCC) module. A broadband, wide-angle scanning performance is achieved resorting to parallel-fed continuous transverse stub (CTS) arrays excited by passive, quasi-optical (QO) beamformers. The realization of substrate-integrated CTS arrays is enabled by the unique three-dimensional (3-D) integration capabilities of the LTCC process. The antenna architecture includes two separate CTS arrays, activated one at a time by a co-integrated switch-network. With this choice, the overall system simultaneously achieves low side lobe levels (SLLs) and high overlap of the radiated beams, within an angular sector of ±38◦ in the scan plane. The proposed technology and module are suitable for realization of low-cost, multi-chip systems-in-package (SiPs) for millimeter-wave (mm-wave) applications, such as wireless access points in fifth-generation (5G) mobile networks. © Institution of Engineering and Technology.All Rights Reserved.
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-02042755
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Submitted on : Wednesday, February 20, 2019 - 3:36:33 PM
Last modification on : Thursday, June 20, 2019 - 3:28:29 PM

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F.F. Manzillo, M. Smierzchalski, M. Ettorre, J. Aurinsalo, K.T. Kautio, et al.. Multibeam antenna with a passive beamforming system in LTCC technology for Mm-wave systems-in-package. 12th European Conference on Antennas and Propagation, EuCAP 2018, Apr 2018, London, United Kingdom. ⟨10.1049/cp.2018.0936⟩. ⟨hal-02042755⟩

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