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Paper Abstract and Keywords
Presentation 2024-10-17 12:50
[Poster Presentation] A study of frequency-dispersive phase shifters for multiband base station antennas robust to fabrication errors
Amika Ishii, Keizo Cho (CIT) AP2024-113
Abstract (in Japanese) (See Japanese page) 
(in English) As a method to reduce interference between neighbors in the low frequency band in a frequency sharing base station antenna, a CRLH transmission line is incorporated into the phase shifter for a base station antenna that shares the 1.5 GHz band to the 2.0 GHz band. However, with this structure, the target phase change can be obtained due to the influence of the manufacturing error at the time of production of the actual device, but there is a problem that the passage loss is large. Therefore, in this study, considering the production error, 20° at 1.5 GHz compared to 2.0 GHz We will redesign the circuit parameters of the CRLH transmission line that can achieve a degree of phase difference, and clarify the specific structure.
Keyword (in Japanese) (See Japanese page) 
(in English) multi-band antenna / base station antenna / beam tilt / CRLH transmission line / frequency dispersion. / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 206, AP2024-113, pp. 157-158, Oct. 2024.
Paper # AP2024-113 
Date of Issue 2024-10-09 (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 AP2024-113

Conference Information
Committee AP  
Conference Date 2024-10-16 - 2024-10-18 
Place (in Japanese) (See Japanese page) 
Place (in English) ACROS Fukuoka 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Student Session, Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2024-10-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A study of frequency-dispersive phase shifters for multiband base station antennas robust to fabrication errors 
Sub Title (in English)  
Keyword(1) multi-band antenna  
Keyword(2) base station antenna  
Keyword(3) beam tilt  
Keyword(4) CRLH transmission line  
Keyword(5) frequency dispersion.  
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Keyword(7)  
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1st Author's Name Amika Ishii  
1st Author's Affiliation Chiba Institute Of Technology (CIT)
2nd Author's Name Keizo Cho  
2nd Author's Affiliation Chiba Institute Of Technology (CIT)
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Speaker Author-1 
Date Time 2024-10-17 12:50:00 
Presentation Time 110 minutes 
Registration for AP 
Paper # AP2024-113 
Volume (vol) vol.124 
Number (no) no.206 
Page pp.157-158 
#Pages 2 
Date of Issue 2024-10-09 (AP) 

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