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Paper Abstract and Keywords
Presentation 2012-10-17 13:55
Improved CR Spectrum Sensing Performance with Lower ACLR GFDM Signals
Rohit Datta, Gerhard Fettweis (TU Dresden) SR2012-46
Abstract (in Japanese) (See Japanese page) 
(in English) Generalized Frequency Division Multiplexing (GFDM)
with its flexible pulse shaping filters can provide extremely low out of band
leakage to adjacent legacy channels. This makes it an attractive choice for
a PHY layer of cognitive radios operating in fragmented TV white spaces.
Introducing zero padding to the transmission data block significantly reduces
the said out of band leakage even further. Primary, incumbent signals
can now be protected with a geo-location database query mechanism. Even
then, sensing opportunistic users operating in the same frequency band is
important in cognitive radio operations. In this paper, a simulation based
study has been performed to compare GFDM matched filter based sensing
characteristics with traditional orthogonal frequency division multiplexing
(OFDM) sensing receiver operating characteristic (ROC) curves. Sensing
with a GFDM based cognitive radio receiver shows better sensing performance.
If we incorporate the improved lower ACLR pulse, then the sensing
characteristic curves become even better.
Keyword (in Japanese) (See Japanese page) 
(in English) Cognitive Radio / Flexible PHY / Low ACLR / Opportunistic Access / Spectrum Sensing / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 240, SR2012-46, pp. 61-66, Oct. 2012.
Paper # SR2012-46 
Date of Issue 2012-10-10 (SR) 
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 SR2012-46

Conference Information
Committee SR AN USN RCS  
Conference Date 2012-10-17 - 2012-10-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Fukuoka univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) wireless distributed network, general topics 
Paper Information
Registration To SR 
Conference Code 2012-10-SR-AN-USN-RCS 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improved CR Spectrum Sensing Performance with Lower ACLR GFDM Signals 
Sub Title (in English)  
Keyword(1) Cognitive Radio  
Keyword(2) Flexible PHY  
Keyword(3) Low ACLR  
Keyword(4) Opportunistic Access  
Keyword(5) Spectrum Sensing  
1st Author's Name Rohit Datta  
1st Author's Affiliation Technische Universitat Dresden (TU Dresden)
2nd Author's Name Gerhard Fettweis  
2nd Author's Affiliation Technische Universitat Dresden (TU Dresden)
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Date Time 2012-10-17 13:55:00 
Presentation Time 25 
Registration for SR 
Paper # IEICE-SR2012-46 
Volume (vol) IEICE-112 
Number (no) no.240 
Page pp.61-66 
#Pages IEICE-6 
Date of Issue IEICE-SR-2012-10-10 

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