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Paper Abstract and Keywords
Presentation 2021-11-11 09:55
Prototype Evaluation of Frequency Dispersive Phase Shifter for Dual Band Base Station Antenna
Toshiki Soma, Keizo Cho (Chiba Inst. Tech.), Naobumi Michishita (National Defense Academy), Takayoshi Sasaki, Keisuke Sato, Ichiro Oshima (DKK), Hiroaki Nakabayashi (Chiba Inst. Tech.) AP2021-110
Abstract (in Japanese) (See Japanese page) 
(in English) Multi-band base station antennas have the problem that interference to adjacent areas increases in the low frequency band due to differences in electrical aperture. To solve this problem, a phase shifter has been proposed that can tilt the beam direction of the 1.5 GHz band deeper by using the phase dispersion characteristics of the CRLH transmission line, assuming an antenna that shares the 1.5 GHz band and the 2.0 GHz band. In addition, a concrete structure including the matching circuit has been designed by full-wave analysis. This paper describes the results of evaluating the proposed phase shifter design by measuring several prototypes.
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. 121, no. 233, AP2021-110, pp. 56-60, Nov. 2021.
Paper # AP2021-110 
Date of Issue 2021-11-03 (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 AP2021-110

Conference Information
Committee AP RCS  
Conference Date 2021-11-10 - 2021-11-12 
Place (in Japanese) (See Japanese page) 
Place (in English) NBC-Bekkan (Nagasaki) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Adaptive Antenna, Equalization, Interference Canceler, MIMO, Wireless Communications, etc. 
Paper Information
Registration To AP 
Conference Code 2021-11-AP-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Prototype Evaluation of Frequency Dispersive Phase Shifter for Dual Band Base Station Antenna 
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  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Toshiki Soma  
1st Author's Affiliation Chiba Institute of Technology (Chiba Inst. Tech.)
2nd Author's Name Keizo Cho  
2nd Author's Affiliation Chiba Institute of Technology (Chiba Inst. Tech.)
3rd Author's Name Naobumi Michishita  
3rd Author's Affiliation National Defense Academy (National Defense Academy)
4th Author's Name Takayoshi Sasaki  
4th Author's Affiliation DKK Co., Ltd. (DKK)
5th Author's Name Keisuke Sato  
5th Author's Affiliation DKK Co., Ltd. (DKK)
6th Author's Name Ichiro Oshima  
6th Author's Affiliation DKK Co., Ltd. (DKK)
7th Author's Name Hiroaki Nakabayashi  
7th Author's Affiliation Chiba Institute of Technology (Chiba Inst. Tech.)
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Speaker Author-1 
Date Time 2021-11-11 09:55:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2021-110 
Volume (vol) vol.121 
Number (no) no.233 
Page pp.56-60 
#Pages 5 
Date of Issue 2021-11-03 (AP) 

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