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Paper Abstract and Keywords
Presentation 2023-03-17 14:10
Experimental Evaluation of Staircase Array Antenna employing Butler Matrix
Hideya So, Takana Kaho (SIT), Yasuyoshi Yamamoto, Mizuki Suga, Yuta Takahashi, Yushi Shirato, Naoki Kita (NTT) AP2022-249
Abstract (in Japanese) (See Japanese page) 
(in English) The authors have proposed a staircase array antenna consisting of a one-dimensional butler matrix and patch array antenna substrates stacked in a staircase shape to simplify and reduce the thickness of Massive MIMO. In this report, a prototype staircase array antenna was fabricated in the 28 GHz band and measurement results evaluated the proposed antenna. The prototype antenna consists of a one-dimensional butler matrix and a patch array antenna mounted on a substrate of about 0.88 mm and stacked in a staircase shape with a thickness of less than 7 mm. The prototype antenna consists of 8 x 8 two-dimensional array antennas, and beam steering in the X-Z plane is performed according to the input port of the Butler matrix, and beam steering in the Y-Z plane is performed by the phase shifter. Beam steering in the X-Z plane using the Butler matrix was realized in the range of -55° to 55°, and beam steering in the Y-Z plane in the range of -29° to 25°.
Keyword (in Japanese) (See Japanese page) 
(in English) Massive MIMO / Butlar matrix / beam steering / / / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 441, AP2022-249, pp. 87-92, March 2023.
Paper # AP2022-249 
Date of Issue 2023-03-09 (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 AP2022-249

Conference Information
Committee AP  
Conference Date 2023-03-16 - 2023-03-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Toyama Prefectural Civic Hall 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2023-03-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Experimental Evaluation of Staircase Array Antenna employing Butler Matrix 
Sub Title (in English)  
Keyword(1) Massive MIMO  
Keyword(2) Butlar matrix  
Keyword(3) beam steering  
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1st Author's Name Hideya So  
1st Author's Affiliation Shonan Institute of Technology (SIT)
2nd Author's Name Takana Kaho  
2nd Author's Affiliation Shonan Institute of Technology (SIT)
3rd Author's Name Yasuyoshi Yamamoto  
3rd Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
4th Author's Name Mizuki Suga  
4th Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
5th Author's Name Yuta Takahashi  
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 Naoki Kita  
7th Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
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Speaker Author-1 
Date Time 2023-03-17 14:10:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2022-249 
Volume (vol) vol.122 
Number (no) no.441 
Page pp.87-92 
#Pages 6 
Date of Issue 2023-03-09 (AP) 

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