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Paper Abstract and Keywords
Presentation 2021-03-04 09:50
Variable spreading factor codes for optical code-division multiple access
Kyohei Ono, Shoichiro Yamasaki, Tomoko K. Matsushima (Polytechnic Univ.) IT2020-113 ISEC2020-43 WBS2020-32
Abstract (in Japanese) (See Japanese page) 
(in English) In this study, we propose variable spreading factor codes based on generalized modified prime sequence codes (GMPSCs), which are spreading codes used in synchronous optical code-division multiple access (CDMA). The proposed codes are unipolar spreading codes constructed using a tree structure. When the proposed codes are applied to synchronous optical CDMA systems with appropriate interference cancellation schemes, multi-user interference between the codewords with different spreading factors is canceled at decoding. In this paper, we describe how to construct the variable spreading factor codes based on GMPSCs and show those characteristics. We also discuss a superimposed transmission scheme using the proposed codes.
Keyword (in Japanese) (See Japanese page) 
(in English) optical CDMA / generalized modified prime sequence code / multi-rate transmission / variable spreading factor code / / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 410, IT2020-113, pp. 7-12, March 2021.
Paper # IT2020-113 
Date of Issue 2021-02-25 (IT, ISEC, WBS) 
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 IT2020-113 ISEC2020-43 WBS2020-32

Conference Information
Committee WBS IT ISEC  
Conference Date 2021-03-04 - 2021-03-05 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Joint Meeting of WBS, IT, and ISEC 
Paper Information
Registration To IT 
Conference Code 2021-03-WBS-IT-ISEC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Variable spreading factor codes for optical code-division multiple access 
Sub Title (in English)  
Keyword(1) optical CDMA  
Keyword(2) generalized modified prime sequence code  
Keyword(3) multi-rate transmission  
Keyword(4) variable spreading factor code  
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1st Author's Name Kyohei Ono  
1st Author's Affiliation Polytechnic University (Polytechnic Univ.)
2nd Author's Name Shoichiro Yamasaki  
2nd Author's Affiliation Polytechnic University (Polytechnic Univ.)
3rd Author's Name Tomoko K. Matsushima  
3rd Author's Affiliation Polytechnic University (Polytechnic Univ.)
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Speaker Author-1 
Date Time 2021-03-04 09:50:00 
Presentation Time 25 minutes 
Registration for IT 
Paper # IT2020-113, ISEC2020-43, WBS2020-32 
Volume (vol) vol.120 
Number (no) no.410(IT), no.411(ISEC), no.412(WBS) 
Page pp.7-12 
#Pages 6 
Date of Issue 2021-02-25 (IT, ISEC, WBS) 

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