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Paper Abstract and Keywords
Presentation 2008-03-28 15:45
A Stochastic Method for the Analysis of Delay-Locked Loops in Quasi-Synchronous CDMA Communication
Keisuke Nagata, Hisato Fujisaka, Takeshi Kamio, Chang-Jun Ahn, Kazuhisa Haeiwa (Hiroshima City Univ.) NLP2007-178
Abstract (in Japanese) (See Japanese page) 
(in English) This manuscript reports a procedure and results of probabilistic analysis of delay-locked loops used in
quasi-synchronous DS/CDMA communication. Considering spreading sequences as random binary sequences, we
derive a stochastic difference equation describing the behavior of 1-Δdelay-locked loops. From the equation, we obtain an evolutional equation set in terms of the moments of the states of the delay-locked loops. The steady solution of the equation set includes the power of steady phase jitter of the delay-locked loops. Since the parameters of the equation set reflect the statistical properties of the spreading sequences,dependence of the jitter performance on the properties of the sequence can be realized. The jitter performance obtained by solving the equation set is validated by numerical simulation of the delay-locked loops in multiple user environment.
Keyword (in Japanese) (See Japanese page) 
(in English) Quasi-Synchronous DS/CDMA / spreading sequences / 1-$\Delta$delay-locked loop / steady phase error / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 561, NLP2007-178, pp. 67-72, March 2008.
Paper # NLP2007-178 
Date of Issue 2008-03-21 (NLP) 
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 NLP2007-178

Conference Information
Committee NLP  
Conference Date 2008-03-27 - 2008-03-28 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To NLP 
Conference Code 2008-03-NLP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Stochastic Method for the Analysis of Delay-Locked Loops in Quasi-Synchronous CDMA Communication 
Sub Title (in English)  
Keyword(1) Quasi-Synchronous DS/CDMA  
Keyword(2) spreading sequences  
Keyword(3) 1-$\Delta$delay-locked loop  
Keyword(4) steady phase error  
1st Author's Name Keisuke Nagata  
1st Author's Affiliation Hiroshima City University (Hiroshima City Univ.)
2nd Author's Name Hisato Fujisaka  
2nd Author's Affiliation Hiroshima City University (Hiroshima City Univ.)
3rd Author's Name Takeshi Kamio  
3rd Author's Affiliation Hiroshima City University (Hiroshima City Univ.)
4th Author's Name Chang-Jun Ahn  
4th Author's Affiliation Hiroshima City University (Hiroshima City Univ.)
5th Author's Name Kazuhisa Haeiwa  
5th Author's Affiliation Hiroshima City University (Hiroshima City Univ.)
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Date Time 2008-03-28 15:45:00 
Presentation Time 25 
Registration for NLP 
Paper # IEICE-NLP2007-178 
Volume (vol) IEICE-107 
Number (no) no.561 
Page pp.67-72 
#Pages IEICE-6 
Date of Issue IEICE-NLP-2008-03-21 

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