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Paper Abstract and Keywords
Presentation 2006-04-21 09:20
A Burst Synchronization Method of Uplink Preamble-less Demodulators for Wide-area Ubiquitous Network
Takafumi Fujita, Daisei Uchida, Yosuke Fujino, Osamu Kagami, Kazuji Watanabe (NTT) RCS2006-2
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes a new burst synchronization method of Uplink Preamble-less demodulators for the wide-area ubiquitous network. The traffic of the wide-area ubiquitous networkwill be dominated by short packets such as radio-frequency identification (RF-ID) information. Taking this condition into account, the transmission efficiency degradation caused by overhead symbols such as preamble and pilot symbols is not negligible. The proposed method eliminates preamble symbols in order to improve the transmission efficiency, while pilot symbols are reserved for accurate burst synchronization. With the proposed method, burst synchronization such as frame acquisition, carrier recovery, symbol timing recovery, and phase tracking can be achieved for coherent detection. Computer simulation results show that the proposed method achieves an 11~22% improvement in transmission efficiency, while its packet error rate performance is equivalent to that conventional demodulators utilizing preamble symbols.
Keyword (in Japanese) (See Japanese page) 
(in English) preamble-less demodulator / block demodulator / frame acquisition / carrier recovery / transmission efficiency / / /  
Reference Info. IEICE Tech. Rep., vol. 106, no. 25, RCS2006-2, pp. 7-12, April 2006.
Paper # RCS2006-2 
Date of Issue 2006-04-14 (RCS) 
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 RCS2006-2

Conference Information
Committee RCS  
Conference Date 2006-04-21 - 2006-04-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Osaka Univ. Nakanoshima Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To RCS 
Conference Code 2006-04-RCS 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Burst Synchronization Method of Uplink Preamble-less Demodulators for Wide-area Ubiquitous Network 
Sub Title (in English)  
Keyword(1) preamble-less demodulator  
Keyword(2) block demodulator  
Keyword(3) frame acquisition  
Keyword(4) carrier recovery  
Keyword(5) transmission efficiency  
1st Author's Name Takafumi Fujita  
1st Author's Affiliation NTT Corporation (NTT)
2nd Author's Name Daisei Uchida  
2nd Author's Affiliation NTT Corporation (NTT)
3rd Author's Name Yosuke Fujino  
3rd Author's Affiliation NTT Corporation (NTT)
4th Author's Name Osamu Kagami  
4th Author's Affiliation NTT Corporation (NTT)
5th Author's Name Kazuji Watanabe  
5th Author's Affiliation NTT Corporation (NTT)
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Date Time 2006-04-21 09:20:00 
Presentation Time 20 
Registration for RCS 
Paper # IEICE-RCS2006-2 
Volume (vol) IEICE-106 
Number (no) no.25 
Page pp.7-12 
#Pages IEICE-6 
Date of Issue IEICE-RCS-2006-04-14 

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