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Paper Abstract and Keywords
Presentation 2026-03-04 11:50
Evaluation of transmission characteristics of optically powered remote beam-forming using hollow-core fibers
Yuki Gomi, Satoshi Fujita, Ryotaro Osada (UEC), Takeshi Takagi, Kazunori Mukasa (Lightera Japan), Motoharu Matsuura (UEC/Keio Univ) PN2025-68
Abstract (in Japanese) (See Japanese page) 
(in English) This paper presents an optically powered remote beamforming system based on downlink analog radio-over-fiber (A-RoF) transmission over a hollow-core fiber (HCF). In the experiment, four-channel A-RoF signals modulated with 28-GHz 5G NR signals and feed light for power-over-fiber (PWoF) are simultaneously transmitted over a 1 km HCF. After the A-RoF signal transmission, the A-RoF signals are converted into four-channel 5G NR signals using optically powered photodiodes, and the 5G NR signals are radiated from four array antennas. After wireless transmission, the received 5G NR signal power and the signal quality are evaluated. The results show that A-RoF signals and PWoF transmission using HCFs is capable of achieving optically powered remote beamforming.
Keyword (in Japanese) (See Japanese page) 
(in English) Radio-over-fiber (RoF) / Power-over-fiber (PWoF) / Hollow-core fibers (HCFs) / Beamforming / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 372, PN2025-68, pp. 133-138, March 2026.
Paper # PN2025-68 
Date of Issue 2026-02-23 (PN) 
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 PN2025-68

Conference Information
Committee PN  
Conference Date 2026-03-02 - 2026-03-04 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To PN 
Conference Code 2026-03-PN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of transmission characteristics of optically powered remote beam-forming using hollow-core fibers 
Sub Title (in English)  
Keyword(1) Radio-over-fiber (RoF)  
Keyword(2) Power-over-fiber (PWoF)  
Keyword(3) Hollow-core fibers (HCFs)  
Keyword(4) Beamforming  
Keyword(5)  
Keyword(6)  
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Keyword(8)  
1st Author's Name Yuki Gomi  
1st Author's Affiliation The University of Electro-Communications (UEC)
2nd Author's Name Satoshi Fujita  
2nd Author's Affiliation The University of Electro-Communications (UEC)
3rd Author's Name Ryotaro Osada  
3rd Author's Affiliation The University of Electro-Communications (UEC)
4th Author's Name Takeshi Takagi  
4th Author's Affiliation Lightera Japan Company Limited (Lightera Japan)
5th Author's Name Kazunori Mukasa  
5th Author's Affiliation Lightera Japan Company Limited (Lightera Japan)
6th Author's Name Motoharu Matsuura  
6th Author's Affiliation The University of Electro-Communications/Keio University (UEC/Keio Univ)
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Speaker Author-1 
Date Time 2026-03-04 11:50:00 
Presentation Time 25 minutes 
Registration for PN 
Paper # PN2025-68 
Volume (vol) vol.125 
Number (no) no.372 
Page pp.133-138 
#Pages 6 
Date of Issue 2026-02-23 (PN) 

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