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Paper Abstract and Keywords
Presentation 2018-03-06 13:25
A Spectrum Allocation Method with Regional Division Considering De-fragmentation in Elastic Optical Networks
Ryosuke Shinozawa, Ken-ichi Baba (Kogakuin Univ.) PN2017-109
Abstract (in Japanese) (See Japanese page) 
(in English) In the backbone network supporting Internet communications,, optical networks utilizing WDM technology are used. However, it is difficult to utilize the resources of the optical fiber efficiently, because the usable bandwidth for communication is fixed. Elastic optical networks that use O-OFDM technology and can flexibly utilize bandwidth according to the communication capacity are attracting attention. However it has the optical frequency spectrum fragmentation due to the difference of the number of the allocated frequency bandwidth in each path and the necessity of the continuous frequency spectrum. As a means to reduce fragmentation slots, there is a wavelength defragmentation and setting priority area on the wavelength region in the fiber. we propose spectrum allocation method considering wavelength defragmentation and priority area. Therefore, we propose spectrum allocation method considering wavelength de-fragmentation and priority area. As a result of simulation, we showed that reduction of fragmented slots was confirmed and that the network resources could be used efficiently.
Keyword (in Japanese) (See Japanese page) 
(in English) Elastic Optical Network / RMSA / Spectrum Defragmentation / Regional Division / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 473, PN2017-109, pp. 117-122, March 2018.
Paper # PN2017-109 
Date of Issue 2018-02-26 (PN) 
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)
Notes on Review This article is a technical report without peer review, and its polished version will be published elsewhere.
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Conference Information
Committee PN  
Conference Date 2018-03-05 - 2018-03-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Minami Tanemachi Shoko Kaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Photonic network technologies, etc. 
Paper Information
Registration To PN 
Conference Code 2018-03-PN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Spectrum Allocation Method with Regional Division Considering De-fragmentation in Elastic Optical Networks 
Sub Title (in English)
Keyword(1) Elastic Optical Network  
Keyword(2) RMSA  
Keyword(3) Spectrum Defragmentation  
Keyword(4) Regional Division  
1st Author's Name Ryosuke Shinozawa  
1st Author's Affiliation Kogakuin University (Kogakuin Univ.)
2nd Author's Name Ken-ichi Baba  
2nd Author's Affiliation Kogakuin University (Kogakuin Univ.)
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Speaker Author-1 
Date Time 2018-03-06 13:25:00 
Presentation Time 25 minutes 
Registration for PN 
Paper # PN2017-109 
Volume (vol) vol.117 
Number (no) no.473 
Page pp.117-122 
Date of Issue 2018-02-26 (PN) 

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