A Wide-Angle Scanning Switched-Beam Antenna System in LTCC Technology with High Beam Crossing Levels for V-band Communications

Francesco Foglia Manzillo, Maciej Śmierzchalski, Laurent Le Coq, Mauro Ettorre, Jouko Aurinsalo, Kari T. Kautio, Markku S. Lahti, Antti E.I. Lamminen, Jussi Säily, Ronan Sauleau

    Research output: Contribution to journalArticleScientificpeer-review

    44 Citations (Scopus)

    Abstract

    Wide-angle coverage, fine angular resolution and low-power consumption are key characteristics of millimeterwave (mm-wave) short-range wireless systems, such as access points in fifth-generation (5G) cellular networks and automotive radars. In this paper, we present a 60-GHz switched-beam antenna system addressing all these requirements. It consists of two identical parallel-fed arrays of 8 slots, each fed by a passive pillbox beamformer. A switch network comprising four singlepole- multiple-throw (SPnT) switches excites one of the two arrays at a time and selects the radiated beam. The whole system is fully-integrated in a multilayer low temperature co-fired ceramic (LTCC) module. The antenna covers a scan range of about ±39° in one plane using eleven beams, between 57 GHz and 66 GHz. The proposed architecture enables the simultaneous achievement of continuous coverage (beam crossover levels of about -3 dB) and of low sidelobe levels (SLLs). Dedicated numerical tools are used for a preliminary design of the antenna. The design procedure, the technological development and the experimental results are discussed in detail.
    Original languageEnglish
    Article number8502146
    Pages (from-to)541-553
    JournalIEEE Transactions on Antennas and Propagation
    Volume67
    Issue number1
    DOIs
    Publication statusPublished - 17 Jan 2019
    MoE publication typeA1 Journal article-refereed

    Funding

    This work was supported by the European Union Seventh Framework Programme (FP7/2007-2013) under grant no. 619563 (MiWaveS).

    Keywords

    • 5G
    • 60-GHz communications
    • low temperature co-fired ceramic (LTCC)
    • millimeter-wave antennas
    • switched-beam antenna
    • OtaNano

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