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Paper Abstract and Keywords
Presentation 2008-05-30 10:35
Impact of Timing Offset on DS-CDMA with Overlap FDE
Tatsunori Obara, Hiromichi Tomeba, Kazuki Takeda, Fumiyuki Adachi (Tohoku Univ.) RCS2008-7
Abstract (in Japanese) (See Japanese page) 
(in English) Direct sequence code division multiple access (DS-CDMA) using frequency-domain equalization (FDE) is considered as a promising wireless access technique for the next generation broadband wireless systems. The conventional FDE requires the insertion of guard interval (GI) to avoid the inter-block interference (IBI). However, GI insertion reduces the throughput. Recently, overlap FDE that requires no GI insertion has been proposed. In many practical systems, the square-root Nyquist filter is used at the transmit/receive chip shaping filter to limit the signal bandwidth. The presence of timing offset between transmitter and receiver produces the inter-symbol interference (ISI) and degrades the bit error rate (BER) performance. In this paper, we evaluate by computer simulation the impact of timing offset on the transmission performance of DS-CDMA with overlap FDE.
Keyword (in Japanese) (See Japanese page) 
(in English) Frequency-selective fading / Nyquist filter / timing offset / overlap FDE / DS-CDMA / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 61, RCS2008-7, pp. 37-42, May 2008.
Paper # RCS2008-7 
Date of Issue 2008-05-22 (RCS) 
ISSN Print edition: ISSN 0913-5685    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 RCS2008-7

Conference Information
Committee IN RCS  
Conference Date 2008-05-29 - 2008-05-30 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wireless Network, Adhoc Network, PAN, Sensor Network, RFID, etc. 
Paper Information
Registration To RCS 
Conference Code 2008-05-IN-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Impact of Timing Offset on DS-CDMA with Overlap FDE 
Sub Title (in English)  
Keyword(1) Frequency-selective fading  
Keyword(2) Nyquist filter  
Keyword(3) timing offset  
Keyword(4) overlap FDE  
Keyword(5) DS-CDMA  
Keyword(6)  
Keyword(7)  
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1st Author's Name Tatsunori Obara  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Hiromichi Tomeba  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Kazuki Takeda  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
4th Author's Name Fumiyuki Adachi  
4th Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2008-05-30 10:35:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2008-7 
Volume (vol) vol.108 
Number (no) no.61 
Page pp.37-42 
#Pages 6 
Date of Issue 2008-05-22 (RCS) 

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