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Paper Abstract and Keywords
Presentation 2015-03-02 17:05
On Block Spreading ZCZ-CDMA for High-Speed Transmission
Sho Kuroda (FX Systems), Kazuhiro Kobayashi, Yuta Ida, Takahiro Matsumoto, Shinya Matsufuji (Yamaguchi Univ.) IT2014-89 ISEC2014-102 WBS2014-81
Abstract (in Japanese) (See Japanese page) 
(in English) ZCZ-CDMA with a block spreading technique (BC-ZCZ-CDMA), that a data block is decoded by using a spreading sequence with a zero correlation zone (ZCZ sequence), can remove the multiple access interference for large delay spread with high-speed transmission. The inter symbol interference can be almost removed from the Rake receiver with a pilot-symbol-aided channel estimation. For large-capacity transmission, it is necessary to increase the block size K. However, it takes time of the cube order of the block size L, O(K^3), for calculation of the inverse matrix in the rake receiver. This paper considers BC-ZCZ-CDMA that a transmission uses L ZCZ sequences. It is O((K/L)^3) for the calculation. In addition, the communication performance of BC-ZCZ-CDMA is investigated.
Keyword (in Japanese) (See Japanese page) 
(in English) ZCZ code / CDMA / block spreading / Rake reciever / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 472, WBS2014-81, pp. 173-178, March 2015.
Paper # WBS2014-81 
Date of Issue 2015-02-23 (IT, ISEC, WBS) 
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)
Download PDF IT2014-89 ISEC2014-102 WBS2014-81

Conference Information
Committee ISEC IT WBS  
Conference Date 2015-03-02 - 2015-03-03 
Place (in Japanese) (See Japanese page) 
Place (in English) The University of Kitakyushu 
Topics (in Japanese) (See Japanese page) 
Topics (in English) joint meeting of IT, ISEC, and WBS 
Paper Information
Registration To WBS 
Conference Code 2015-03-ISEC-IT-WBS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) On Block Spreading ZCZ-CDMA for High-Speed Transmission 
Sub Title (in English)  
Keyword(1) ZCZ code  
Keyword(2) CDMA  
Keyword(3) block spreading  
Keyword(4) Rake reciever  
1st Author's Name Sho Kuroda  
1st Author's Affiliation FX Systems Co.Ltd (FX Systems)
2nd Author's Name Kazuhiro Kobayashi  
2nd Author's Affiliation Yamaguchi University (Yamaguchi Univ.)
3rd Author's Name Yuta Ida  
3rd Author's Affiliation Yamaguchi University (Yamaguchi Univ.)
4th Author's Name Takahiro Matsumoto  
4th Author's Affiliation Yamaguchi University (Yamaguchi Univ.)
5th Author's Name Shinya Matsufuji  
5th Author's Affiliation Yamaguchi University (Yamaguchi Univ.)
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Date Time 2015-03-02 17:05:00 
Presentation Time 25 
Registration for WBS 
Paper # IEICE-IT2014-89,IEICE-ISEC2014-102,IEICE-WBS2014-81 
Volume (vol) IEICE-114 
Number (no) no.470(IT), no.471(ISEC), no.472(WBS) 
Page pp.173-178 
#Pages IEICE-6 
Date of Issue IEICE-IT-2015-02-23,IEICE-ISEC-2015-02-23,IEICE-WBS-2015-02-23 

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