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Paper Abstract and Keywords
Presentation 2022-01-21 13:30
Proposal on Novel Staircase Array Antenna Configuration utilizing Stacked Butler Matrix
Hideya So, Yoshitada Watanabe, Takana Kaho (SIT), Mizuki Suga, Takuto Arai, Yushi Shirato, Hideki Toshinaga, Daisei Uchida, Naoki Kita (NTT) AP2021-151
Abstract (in Japanese) (See Japanese page) 
(in English) Massive Multiple-Input Multiple-Output (Massive MIMO), which uses a large number of antenna elements, has been investigated to realize high-speed and high-capacity wireless communications. However, as the number of antennas increases, the number of digital-to-analog converters, amplifiers, and feeder circuits also increases. In addition, it has the problem that circuit mounting becomes difficult due to the narrow antenna spacing and increased loss and phase deviation of connectors and wiring, especially in the millimeter-wave band. To solve these problems, we propose a compact Massive MIMO configuration. The proposed antenna is composed of a one-dimensional patch array antenna and a Butler matrix, which are stacked on top of each other in a staircase configuration. The proposed antenna is fabricated by stacking several identical substrates, reducing design and manufacturing costs. Simulation results show that the proposed antenna has the same radiation characteristics as the conventional antenna when the substrate thickness is less than 0.1 wavelength. Furthermore, the proposed antenna can reduce the sidelobes and backlobe.
Keyword (in Japanese) (See Japanese page) 
(in English) Massive MIMO / Butler matrix / array antenna / / / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 330, AP2021-151, pp. 92-97, Jan. 2022.
Paper # AP2021-151 
Date of Issue 2022-01-13 (AP) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF AP2021-151

Conference Information
Committee AP WPT  
Conference Date 2022-01-20 - 2022-01-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Kenmin-Fureai-Kaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Radio propagation, Wireless transmission technology, Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2022-01-AP-WPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Proposal on Novel Staircase Array Antenna Configuration utilizing Stacked Butler Matrix 
Sub Title (in English)  
Keyword(1) Massive MIMO  
Keyword(2) Butler matrix  
Keyword(3) array antenna  
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1st Author's Name Hideya So  
1st Author's Affiliation Shonan Institute of Technology (SIT)
2nd Author's Name Yoshitada Watanabe  
2nd Author's Affiliation Shonan Institute of Technology (SIT)
3rd Author's Name Takana Kaho  
3rd Author's Affiliation Shonan Institute of Technology (SIT)
4th Author's Name Mizuki Suga  
4th Author's Affiliation NIPPON TELEGRAPH AND TELEPHONE CORPORATION (NTT)
5th Author's Name Takuto Arai  
5th Author's Affiliation NIPPON TELEGRAPH AND TELEPHONE CORPORATION (NTT)
6th Author's Name Yushi Shirato  
6th Author's Affiliation NIPPON TELEGRAPH AND TELEPHONE CORPORATION (NTT)
7th Author's Name Hideki Toshinaga  
7th Author's Affiliation NIPPON TELEGRAPH AND TELEPHONE CORPORATION (NTT)
8th Author's Name Daisei Uchida  
8th Author's Affiliation NIPPON TELEGRAPH AND TELEPHONE CORPORATION (NTT)
9th Author's Name Naoki Kita  
9th Author's Affiliation NIPPON TELEGRAPH AND TELEPHONE CORPORATION (NTT)
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Speaker Author-1 
Date Time 2022-01-21 13:30:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2021-151 
Volume (vol) vol.121 
Number (no) no.330 
Page pp.92-97 
#Pages 6 
Date of Issue 2022-01-13 (AP) 

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