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Paper Abstract and Keywords
Presentation 2023-11-24 14:50
Basic Study on Integration of Antennas and Building Envelope for 5G Communication
Yuto Hirota, Kishio Hidaka (Yamagata Iniv.), Yohei Suzuki (IG) EMCJ2023-77
Abstract (in Japanese) (See Japanese page) 
(in English) At the time of March 2022, the population coverage of base stations in the 28GHz band was reported to be 0% for all carriers. In an effort to improve the base station's coverage, a preliminary study was conducted on antennas integrated with the exterior of residential buildings. First, a simulation was performed to design a 28GHz patch antenna, and it was confirmed that the S11 was -20dB. However, due to measurement system limitations up to 1000MHz, the frequency was set to 800MHz, and the design of the patch antenna was carried out. At that time, the S11 was confirmed to be -20dB. Since both the 800MHz and 28GHz patch antennas had an S11 of -20dB, it was decided to prototype and evaluate the 800MHz antenna.Two antenna shapes, the patch antenna and the meander-line antenna, were prototyped, and the S11 was confirmed through conducted immunity testing. The meander-line antenna showed -20dB, but the patch antenna couldn't achieve -20dB, so it was decided to proceed with radiation testing for the meander-line antenna only. The meander-line antenna showed an output of 30μV/m for both horizontal and vertical polarization at -20dBm.Previous base station antennas had a configuration with a gap of at least 0.5λ between the antenna and the reflector. Therefore, radiation testing of the meander-line antenna integrated with the building's exterior, eliminating the gap, was conducted. With horizontal polarization at 30μV/m and vertical polarization at 35μV/m, an increase in output of 5μV/m was confirmed by integrating the antenna with the building's exterior, demonstrating the utility of the antenna and building integration structure.
Keyword (in Japanese) (See Japanese page) 
(in English) meandalineantenna / VCCI32 / reflector / / / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 283, EMCJ2023-77, pp. 29-33, Nov. 2023.
Paper # EMCJ2023-77 
Date of Issue 2023-11-17 (EMCJ) 
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 EMCJ2023-77

Conference Information
Committee EMCJ  
Conference Date 2023-11-24 - 2023-11-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Young Scientist Meeting 
Paper Information
Registration To EMCJ 
Conference Code 2023-11-EMCJ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Basic Study on Integration of Antennas and Building Envelope for 5G Communication 
Sub Title (in English)  
Keyword(1) meandalineantenna  
Keyword(2) VCCI32  
Keyword(3) reflector  
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1st Author's Name Yuto Hirota  
1st Author's Affiliation Yamagata University (Yamagata Iniv.)
2nd Author's Name Kishio Hidaka  
2nd Author's Affiliation Yamagata University (Yamagata Iniv.)
3rd Author's Name Yohei Suzuki  
3rd Author's Affiliation IG KOGYO Co., Ltd. (IG)
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Speaker Author-1 
Date Time 2023-11-24 14:50:00 
Presentation Time 25 minutes 
Registration for EMCJ 
Paper # EMCJ2023-77 
Volume (vol) vol.123 
Number (no) no.283 
Page pp.29-33 
#Pages 5 
Date of Issue 2023-11-17 (EMCJ) 

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