28GHz-Band 2x2 Patch Antenna Module Vertically Integrated with a Compact 2-D BFN in Broadside Coupled Stripline Structure

Jean Temga, Taiki Machii, Takashi Shiba, Noriharu Suematsu

研究成果: Conference contribution

抄録

This paper presents a miniaturized 28GHz-band 2-D Beamforming Network (BFN) design, implementation, and vertical integration with a 2x2 patch array antenna for mmWave communications. The antenna module is realized in a thin 5-layers Panasonic Megtron6 substrate. The substrate is composed of upper layers (4-5) for the antenna design and lower layers (1-4) which form the broadside coupled stripline structure used to design the 2-D BFN isolated from the array antenna. The broadside coupled stripline has the characteristic of tight coupling and low attenuation which allow the design of a compact and wideband 3dB/90° broadside stripline coupler. The proposed 2-D BFN consists of four 3dB/90° broadside stripline couplers interconnected by very short striplines and arranged to form a compact, planar and square topology BFN. The actual area of the 2-D BFN is only 0.3λ0×0.3λ0×0.08λ0 which is easily integrated under the 2x2 array antenna area (0.9λ0×0.8λ0×0.08λ0) realizing a miniaturized module structure. The element separation is set to 0.6λ0. A prototype of the 2-D BFN and the antenna module have been fabricated and measured, showing the validity of the simulation results.

本文言語English
ホスト出版物のタイトル2021 IEEE Asia-Pacific Microwave Conference, APMC 2021
出版社Institute of Electrical and Electronics Engineers Inc.
ページ73-75
ページ数3
ISBN(電子版)9781665437820
DOI
出版ステータスPublished - 2021
イベント2021 IEEE Asia-Pacific Microwave Conference, APMC 2021 - Virtual, Online, Australia
継続期間: 2021 11月 282021 12月 1

出版物シリーズ

名前Asia-Pacific Microwave Conference Proceedings, APMC
2021-November

Conference

Conference2021 IEEE Asia-Pacific Microwave Conference, APMC 2021
国/地域Australia
CityVirtual, Online
Period21/11/2821/12/1

ASJC Scopus subject areas

  • 電子工学および電気工学

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