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Paper Abstract and Keywords
Presentation
Design of Millimeter-wave 4x4 Butler Matrix using Finline in Double Layer Dielectric Substrate
Nguyen Thanh Tuan, Kunio Sakakibara, Nobuyoshi Kikuma (NIT), Kojiro Iwasa, Takeshi Okunaga, Akira Nakatsu (NIPPON PILLAR)
Abstract (in Japanese) (See Japanese page) 
(in English) In the fifth generation mobile communication system (5G) and high-resolution automotive radar systems, beam-scanning is required for array antennas. Butler Matrix has been widely used as a beam-forming network for multi-beam array antennas. However, a conventional Butler Matrix composed of microstrip line shows the disadvantage of transmission due to the high loss in the millimeter-wave band. In this work, Butler Matrix is designed at 79 GHz using a finline in double layer dielectric substrate. The closed structure of finline in multilayer dielectric substrate reduces the radiation loss of the Butler Matrix. Amplitude and phase on output terminals of Butler Matrix are investigated by simulation in this paper.
Keyword (in Japanese) (See Japanese page) 
(in English) Butler matrix / multi-beam antenna / feeding circuit / multilayer substrate / millimeter wave / array antenna / /  
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Conference Information
Committee AP  
Conference Date 2019-08-01 - 2019-08-02 
Place (in Japanese) (See Japanese page) 
Place (in English) Hotel Istana, Kuala Lumpur 
Topics (in Japanese) (See Japanese page) 
Topics (in English) THE 2019 MALAYSIA-JAPAN WORKSHOP ON RADIO TECHNOLOGY (MJWRT2019) 
Paper Information
Registration To AP 
Conference Code 2019-08-AP 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Design of Millimeter-wave 4x4 Butler Matrix using Finline in Double Layer Dielectric Substrate 
Sub Title (in English)  
Keyword(1) Butler matrix  
Keyword(2) multi-beam antenna  
Keyword(3) feeding circuit  
Keyword(4) multilayer substrate  
Keyword(5) millimeter wave  
Keyword(6) array antenna  
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Keyword(8)  
1st Author's Name Nguyen Thanh Tuan  
1st Author's Affiliation Nagoya Institute of Technology (NIT)
2nd Author's Name Kunio Sakakibara  
2nd Author's Affiliation Nagoya Institute of Technology (NIT)
3rd Author's Name Nobuyoshi Kikuma  
3rd Author's Affiliation Nagoya Institute of Technology (NIT)
4th Author's Name Kojiro Iwasa  
4th Author's Affiliation NIPPON PILLAR PACKING CO., LTD (NIPPON PILLAR)
5th Author's Name Takeshi Okunaga  
5th Author's Affiliation NIPPON PILLAR PACKING CO., LTD (NIPPON PILLAR)
6th Author's Name Akira Nakatsu  
6th Author's Affiliation NIPPON PILLAR PACKING CO., LTD (NIPPON PILLAR)
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