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Paper Abstract and Keywords
Presentation 2009-05-29 16:25
Multichannel Spectrum Sensing using Polyphase DFT Filter Bank for Opportunistic Cognitive Radios
Minseok Kim, Jun-ichi Naganawa, Jun-ichi Takada (Tokyo Inst. of Tech.) SR2009-19
Abstract (in Japanese) (See Japanese page) 
(in English) As a growing interest in the cognitive radio technology has been taken based on the idea of opportunistic spectrum use, the spectrum sensing technique for dynamic channel environment is more and more important to ensure that cognitive radios would not interfere with primary systems while it achieves reasonable throughput opportunistically. Architecture based on filter bank allows to sense multi-channels simultaneously with low spectrum leakage from adjacent channels thanks to efficient implementation of bandpass filters. Therefore it is now attracting much interest. In this paper, we propose a framework of multi-channel sensing architecture based on polyphase DFT filter bank followed by energy detector with minimum complexity. The sensing performance is evaluated by numerical simulation as well as theoretical analysis comparing with the conventional periodogram spectral estimator and time domain sequential sensing.
Keyword (in Japanese) (See Japanese page) 
(in English) cognitive radios / spectrum sensing / filter bank / energy detector / FFT / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 61, SR2009-19, pp. 121-127, May 2009.
Paper # SR2009-19 
Date of Issue 2009-05-21 (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)
Download PDF SR2009-19

Conference Information
Committee SR  
Conference Date 2009-05-28 - 2009-05-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Niigata Univ 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Cognitive/Software radio and international workshop 
Paper Information
Registration To SR 
Conference Code 2009-05-SR 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Multichannel Spectrum Sensing using Polyphase DFT Filter Bank for Opportunistic Cognitive Radios 
Sub Title (in English)  
Keyword(1) cognitive radios  
Keyword(2) spectrum sensing  
Keyword(3) filter bank  
Keyword(4) energy detector  
Keyword(5) FFT  
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Keyword(7)  
Keyword(8)  
1st Author's Name Minseok Kim  
1st Author's Affiliation Tokyo Institute of Technology (Tokyo Inst. of Tech.)
2nd Author's Name Jun-ichi Naganawa  
2nd Author's Affiliation Tokyo Institute of Technology (Tokyo Inst. of Tech.)
3rd Author's Name Jun-ichi Takada  
3rd Author's Affiliation Tokyo Institute of Technology (Tokyo Inst. of Tech.)
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Speaker Author-1 
Date Time 2009-05-29 16:25:00 
Presentation Time 25 minutes 
Registration for SR 
Paper # SR2009-19 
Volume (vol) vol.109 
Number (no) no.61 
Page pp.121-127 
#Pages 7 
Date of Issue 2009-05-21 (SR) 

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