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Paper Abstract and Keywords
Presentation 2007-08-06 10:55
Performance Evaluation of Complete Orthogonal Spreading Sequences Generated by ICA for CDMA with RF Modulation
Ryo Takahashi, Masahiro Yukawa, Gen Hori, Ken Umeno (RIKEN) NLP2007-39
Abstract (in Japanese) (See Japanese page) 
(in English) The performance of the complete orthogonal spreading sequences in the synchronous CDMA with radio frequency (RF) modulation is investigated.
We use the Chebyshev chaotic sequences recovered by Independent Component Analysis (ICA) proposed before and the Walsh--Hadamard sequences as the spreading sequences.
It is found analytically and numerically that Bit Error Rate in the synchronous CDMA with RF modulation using these sequences is larger than that in baseband when the additive white Gaussian noise has finite value.
The analytical form of Bit Error Rate (BER) in the chip--synchronous CDMA with RF modulation using any kind of spreading sequences is obtained.
Using this, we found that there is a critical value of noise power where the magnitude relation between BER in baseband and the one with RF modulation changes.
Keyword (in Japanese) (See Japanese page) 
(in English) independent component analysis / code division multiple access / bit error rate / spreading sequence / chaos / signal-to-interference-plus-noise ratio / RF modulation /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 184, NLP2007-39, pp. 19-22, Aug. 2007.
Paper # NLP2007-39 
Date of Issue 2007-07-30 (NLP) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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)
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Conference Information
Committee NLP  
Conference Date 2007-08-06 - 2007-08-07 
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 2007-08-NLP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Performance Evaluation of Complete Orthogonal Spreading Sequences Generated by ICA for CDMA with RF Modulation 
Sub Title (in English)  
Keyword(1) independent component analysis  
Keyword(2) code division multiple access  
Keyword(3) bit error rate  
Keyword(4) spreading sequence  
Keyword(5) chaos  
Keyword(6) signal-to-interference-plus-noise ratio  
Keyword(7) RF modulation  
Keyword(8)  
1st Author's Name Ryo Takahashi  
1st Author's Affiliation RIKEN (RIKEN)
2nd Author's Name Masahiro Yukawa  
2nd Author's Affiliation RIKEN (RIKEN)
3rd Author's Name Gen Hori  
3rd Author's Affiliation RIKEN (RIKEN)
4th Author's Name Ken Umeno  
4th Author's Affiliation RIKEN (RIKEN)
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Speaker Author-1 
Date Time 2007-08-06 10:55:00 
Presentation Time 25 minutes 
Registration for NLP 
Paper # NLP2007-39 
Volume (vol) vol.107 
Number (no) no.184 
Page pp.19-22 
#Pages 4 
Date of Issue 2007-07-30 (NLP) 

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