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Paper Abstract and Keywords
Presentation 2017-05-26 10:00
[Technology Exhibit] Prototype of USIM Sharing Terminal Enabling Simultaneous Use of Multiple Networks during International Roaming in Next-Generation Mobile Communication System
Kazuo Ibuka, Homare Murakami, Kentaro Ishizu, Fumihide Kojima (NICT) SR2017-11
Abstract (in Japanese) (See Japanese page) 
(in English) The frequency used in the mobile communication system typified by LTE (Long Term Evolution) is diversified. Therefore, it is difficult to handle all of them with one terminal. As a result, a business operator operating a mobile communication network based on a mobile communication system is forced to create a terminal specialized for the corresponding frequency for its own network. Due to the restriction of the corresponding frequency, there arises a problem that international roaming greatly limits the options of the partner. Furthermore, in the next generation mobile communication system, mismatching of the corresponding frequencies of the international roaming destination network and the terminal expands because it tries to secure a desired band by aggregating more frequencies. As a consequence, there arises a problem that securing of a desired band becomes more difficult. Therefore, as a countermeasure against this, the authors are considering a system that can secure a desired communication band by simultaneously using a plurality of mobile communication networks and effectively utilizing the corresponding frequencies of the terminals. In this paper, in order to verify the system, we have prototyped a terminal that enables simultaneous connection to multiple networks by a single USIM (Universal Subscriber Identity Module), so we report its outline and verification results.
Keyword (in Japanese) (See Japanese page) 
(in English) USIM Sharing / Authentication / Multiple Networks / Simultaneous Use / International Roaming / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 56, SR2017-11, pp. 59-65, May 2017.
Paper # SR2017-11 
Date of Issue 2017-05-18 (SR) 
ISSN Print edition: ISSN 0913-5685    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 SR2017-11

Conference Information
Committee SR  
Conference Date 2017-05-25 - 2017-05-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo big sight 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Technical Exhibition, etc. 
Paper Information
Registration To SR 
Conference Code 2017-05-SR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Prototype of USIM Sharing Terminal Enabling Simultaneous Use of Multiple Networks during International Roaming in Next-Generation Mobile Communication System 
Sub Title (in English)  
Keyword(1) USIM Sharing  
Keyword(2) Authentication  
Keyword(3) Multiple Networks  
Keyword(4) Simultaneous Use  
Keyword(5) International Roaming  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Kazuo Ibuka  
1st Author's Affiliation National Institute of Informaion and Communications Technology (NICT)
2nd Author's Name Homare Murakami  
2nd Author's Affiliation National Institute of Informaion and Communications Technology (NICT)
3rd Author's Name Kentaro Ishizu  
3rd Author's Affiliation National Institute of Informaion and Communications Technology (NICT)
4th Author's Name Fumihide Kojima  
4th Author's Affiliation National Institute of Informaion and Communications Technology (NICT)
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Speaker Author-1 
Date Time 2017-05-26 10:00:00 
Presentation Time 420 minutes 
Registration for SR 
Paper # SR2017-11 
Volume (vol) vol.117 
Number (no) no.56 
Page pp.59-65 
#Pages 7 
Date of Issue 2017-05-18 (SR) 

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