60GHz帯二層構造並列給電中空導波管スロットアレーアンテナの広帯域化検討  [in Japanese] Bandwidth Enhancement of a Double-layer Corporate-feed Hollow-waveguide Slot Array Antenna in 60GHz-Band  [in Japanese]

    • 三浦 庸平 MIURA Yohei
    • 東京工業大学大学院理工学研究科電気電子工学専攻:日本無線株式会社 Dept. of Electrical and Electronic Engineering, Tokyo Institute of Technology:Japan Radio Co., Ltd.
    • 広川 二郎 HIROKAWA Jiro
    • 東京工業大学大学院理工学研究科電気電子工学専攻 Dept. of Electrical and Electronic Engineering, Tokyo Institute of Technology
    • 安藤 真 ANDO Makoto
    • 東京工業大学大学院理工学研究科電気電子工学専攻 Dept. of Electrical and Electronic Engineering, Tokyo Institute of Technology

Abstract

著者らは利得の広帯域化のため,並列給電回路を下層に配置した二層構造中空導波管スロットアレーを提案している.本アンテナは積層金属薄板の拡散接合技術により優れた量産性が期待できる.本稿ではアンテナ全体の反射特性を広帯域化するため,はじめに外部空間における素子間相互結合の強さと反射特性の帯域の関係を明らかにした.次に並列給電導波管回路を3つの回路に分割し,それぞれの広帯域化設計について示した.最後に60GHz帯で16×16素子アレーの全構造を解析し,VSWR1.5以下の帯域8.3%,利得1dB帯域約20%,設計周波数での開口効率91%の広帯域,高効率特性を得た.

We propose the double-layer hollow-waveguide slot array where a corporate-feed circuit is arranged on the lower layer to achieve a wide bandwidth in gain. It can be fabricated at low cost by diffusion bonding of laminated thin metal plates. This paper presents the design of the wideband antenna in reflection. At first, the relation between mutual coupling in the external region and reflection is shown. Next, the corporate-feed waveguide circuit is divided into three parts, each of which is designed for a wide band, respectively. Finally, full structure of 256-elements is analyzed in 60GHz band by HFSS. 8.3% bandwidth of VSWR less than 1.5, 20% 1dB-down bandwidth of gain, and 91% aperture efficiency at the design frequency are achieved.

Journal

IEICE technical report. Antennas and propagation   [List of Volumes]

IEICE technical report. Antennas and propagation 109(218), 19-24, 2009-10-01  [Table of Contents]

The Institute of Electronics, Information and Communication Engineers

References:  8

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Cited by:  1

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Codes

  • NII Article ID (NAID) :
    110007483260
  • NII NACSIS-CAT ID (NCID) :
    AN10060764
  • Text Lang :
    JPN
  • Article Type :
    Journal Article
  • ISSN :
    09135685
  • NDL Article ID :
    10433293
  • NDL Source Classification :
    ZN33(科学技術--電気工学・電気機械工業--電子工学・電気通信)
  • NDL Call No. :
    Z16-940
  • Databases :
    CJP  CJPref  NDL  NII-ELS 

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