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Paper Abstract and Keywords
Presentation 2016-10-28 13:00
Feature detection scheme using Cyclic Prefix (CP) in OFDM -- Analytical approach and its results of Output S/N at feature detector --
Kanshiro Kashiki, Tomoki Sada, Akira Yamaguchi (KDDI Research) SR2016-70
Abstract (in Japanese) (See Japanese page) 
(in English) From the viewpoint of the efficient use of frequency resources in mobile radio service, authors have been investigating the feature detection scheme using the Cyclic Prefix (CP) attached in the OFDM signal, which is generally applied in current mobile communication systems. The detection scheme is firstly to obtain the conjugate product of the OFDM signal and its delayed signal, then take Fourier transformation of such product, which is called Cyclostationary Autocorrelation Function (CAF) addressing the cyclostationarity nature. In this report, the Output S/N at the feature detector output is clarified by an analytical expression. An analytical approach is investigated by modeling the power spectral densities of the OFDM signal and input noise and by executing the mathematical operations on the combinations of OFDM signal and input noise. The Output S/N (Signal to Noise Power Ratio) consists of , (i) significant feature component in the OFDM signal, (ii) noise component caused by the multiplication of two OFDM signals, (iii) noise component caused by multiplication of the OFDM signal and input noise, (iv) noise component caused by multiplication of two input noise. We discuss the influences of the above four component to the Output S/N performance. The simulation results are also indicated for sake of comparison with the analytical results.
Keyword (in Japanese) (See Japanese page) 
(in English) OFDM signal / feature detection scheme / Cyclic Prefix / Cyclostationary Autocorrelation Function / analytical approach / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 276, SR2016-70, pp. 85-92, Oct. 2016.
Paper # SR2016-70 
Date of Issue 2016-10-20 (SR) 
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)
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Conference Information
Committee SR  
Conference Date 2016-10-27 - 2016-10-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Osaka Univ. Nakanoshima Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Technical Exhibition, Product Exhibition, etc. 
Paper Information
Registration To SR 
Conference Code 2016-10-SR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Feature detection scheme using Cyclic Prefix (CP) in OFDM 
Sub Title (in English) Analytical approach and its results of Output S/N at feature detector 
Keyword(1) OFDM signal  
Keyword(2) feature detection scheme  
Keyword(3) Cyclic Prefix  
Keyword(4) Cyclostationary Autocorrelation Function  
Keyword(5) analytical approach  
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1st Author's Name Kanshiro Kashiki  
1st Author's Affiliation KDDI Research (KDDI Research)
2nd Author's Name Tomoki Sada  
2nd Author's Affiliation KDDI Research (KDDI Research)
3rd Author's Name Akira Yamaguchi  
3rd Author's Affiliation KDDI Research (KDDI Research)
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Speaker Author-1 
Date Time 2016-10-28 13:00:00 
Presentation Time 25 minutes 
Registration for SR 
Paper # SR2016-70 
Volume (vol) vol.116 
Number (no) no.276 
Page pp.85-92 
#Pages 8 
Date of Issue 2016-10-20 (SR) 

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