Antenna-array topologies for mm-wave beamforming transmitter with quadrature spatial combining

Creators: Titz, D.; Bisognin, A.; Chen, Jie; Ferrero, Fabien; Pilard, R.; Gianesello, F.; Cathelin, A.; Niknejad, A.M.; Luxey, Cyril

Others:: Electronique pour Objets Connectés (EpOC) ; Université Nice Sophia Antipolis (1965 - 2019) (UNS) ; COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Polytech Nice-Sophia-Université Côte d'Azur (UCA); Berkeley Wireless Research Center [Berkeley] (BWRC) ; University of California [Berkeley] (UC Berkeley) ; University of California (UC)-University of California (UC); Laboratoire d'Electronique, Antennes et Télécommunications (LEAT) ; Université Nice Sophia Antipolis (1965 - 2019) (UNS) ; COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-COMUE Université Côte d'Azur (2015-2019) (COMUE UCA)-Centre National de la Recherche Scientifique (CNRS)-Université Côte d'Azur (UCA); STMicroelectronics [Crolles] (ST-CROLLES); IEEE; CREMANT

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In this paper, we present several antenna-array topologies for quadrature spatial combining: In-phase and Quadrature signals are not anymore combined at the circuit level but rather spatially in free space. To demonstrate the feasibility of this concept, an organic module with two 4×1 antenna-arrays is fabricated and measured in V-band. Reflection coefficient and realized gain measurements are very promising.

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Antenna-array topologies for mm-wave beamforming transmitter with quadrature spatial combining

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