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Paper Abstract and Keywords
Presentation 2019-01-24 17:10
[Special Invited Talk] Review of research activities for many years -- Satellite Communication, Cognitive Radio, Cellular System and Standardization --
Kanshiro Kashiki (KDDI Research) SR2018-109
Abstract (in Japanese) (See Japanese page) 
(in English) The author has been engaged in research and development activities regarding the wireless communications, since joining KDDI Corporation. The first work is the digitalization of the analog INMARSAT satellite communication, which includes the development of experimental equipment and the field trial test at sea. The specifications of the equipment and experimental results are effectively utilized in present digital INMARSAT system. In the ATR (Advanced Telecommunications Research Institute International), the author was working for the optical inter-satellite communication and the DBF (Digital Beam Forming) antenna. As for the optical inter-satellite communication, he has developed the high power optical laser transmitter with 100 mW. In recent years, efficient use of frequency resources in mobile radio service are required, since the number of the user in the cellular phone system has explosively increased. One scheme to resolve such frequency issue is the cognitive radio technique. Since 2005 year, he has been engaged in the research project regarding the cognitive radio, which is founded by the Ministry of Internal Affairs and Communications in Japan. The obtained technical knowledges are contributed to the development of Report in the ITU-R (International Telecommunication Union, Radiocommunication Sector). In this talk, the author will state a finding obtained from the above activities and experiences.
Keyword (in Japanese) (See Japanese page) 
(in English) wireless communication / satellite communication / cognitive radio / cellular system / international standardization / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 421, SR2018-109, pp. 85-88, Jan. 2019.
Paper # SR2018-109 
Date of Issue 2019-01-17 (SR) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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)
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Conference Information
Committee SR  
Conference Date 2019-01-24 - 2019-01-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Corasse, Fukushima city (Fukushima prefecture) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) cognitive radio, machine learning application, heterogeneous network, SDN, IoT etc. 
Paper Information
Registration To SR 
Conference Code 2019-01-SR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Review of research activities for many years 
Sub Title (in English) Satellite Communication, Cognitive Radio, Cellular System and Standardization 
Keyword(1) wireless communication  
Keyword(2) satellite communication  
Keyword(3) cognitive radio  
Keyword(4) cellular system  
Keyword(5) international standardization  
1st Author's Name Kanshiro Kashiki  
1st Author's Affiliation KDDI Research (KDDI Research)
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Date Time 2019-01-24 17:10:00 
Presentation Time 50 
Registration for SR 
Paper # IEICE-SR2018-109 
Volume (vol) IEICE-118 
Number (no) no.421 
Page pp.85-88 
#Pages IEICE-4 
Date of Issue IEICE-SR-2019-01-17 

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