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Paper Abstract and Keywords
Presentation 2014-03-10 10:35
Spectrum Sensing of OFDM Pilot Signal with Carrier-frequency-offset Correction and Symbol Synchronization by Maximal Ratio Combining
Toshihiro Yoshitake, Yohtaro Umeda, Yusuke Kozawa (Tokyo Univ. of Science) IT2013-62 ISEC2013-91 WBS2013-51
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, spectrum sensing sensitivity of OFDM pilot signal using maximal ratio combining has been evaluated by simulation with carrier frequency offset correction (CFO) and symbol synchronization (SS). For dynamic spectrum access of cognitive radio systems, the spectrum sensing method using OFDM pilot signal has low complexity and high sensitivity in signal detection. However, the sensitivity of the method has been deteriorated by carrier frequency offset because sub carrier frequency interval for OFDM is narrow. This paper therefore evaluates the spectrum sensing sensitivity of OFDM pilot signal by taking into account the influence of CFO error and SS error. As a result, the spectrum sensing sensitivity of OFDM pilot signal with both CFO error and SS error is about 8 dB lower than that without both CFO error and SS error. However, spectrum sensing of OFDM pilot signal with both CFO error and SS error can improve to more than about 9.5 dB compared with spectrum sensing of energy detection.
Keyword (in Japanese) (See Japanese page) 
(in English) cognitive radio / dynamic spectrum access / signal detection / IEEE802.11a / carrier frequency offset correction / symbol synchronization / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 485, WBS2013-51, pp. 55-60, March 2014.
Paper # WBS2013-51 
Date of Issue 2014-03-03 (IT, ISEC, WBS) 
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 IT2013-62 ISEC2013-91 WBS2013-51

Conference Information
Committee ISEC IT WBS  
Conference Date 2014-03-10 - 2014-03-11 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagoya Univ., Higashiyama Campus 
Topics (in Japanese) (See Japanese page) 
Topics (in English) joint meeting of IT, ISEC, and WBS 
Paper Information
Registration To WBS 
Conference Code 2014-03-ISEC-IT-WBS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Spectrum Sensing of OFDM Pilot Signal with Carrier-frequency-offset Correction and Symbol Synchronization by Maximal Ratio Combining 
Sub Title (in English)  
Keyword(1) cognitive radio  
Keyword(2) dynamic spectrum access  
Keyword(3) signal detection  
Keyword(4) IEEE802.11a  
Keyword(5) carrier frequency offset correction  
Keyword(6) symbol synchronization  
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Keyword(8)  
1st Author's Name Toshihiro Yoshitake  
1st Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
2nd Author's Name Yohtaro Umeda  
2nd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
3rd Author's Name Yusuke Kozawa  
3rd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
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Speaker Author-1 
Date Time 2014-03-10 10:35:00 
Presentation Time 25 minutes 
Registration for WBS 
Paper # IT2013-62, ISEC2013-91, WBS2013-51 
Volume (vol) vol.113 
Number (no) no.483(IT), no.484(ISEC), no.485(WBS) 
Page pp.55-60 
#Pages 6 
Date of Issue 2014-03-03 (IT, ISEC, WBS) 

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