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Paper Abstract and Keywords
Presentation 2015-11-06 09:30
High Frequency Radio Environment Recognition based on Undersampling
Nobuaki Kuno, Yuki Morimoto, Yoshio Karasawa (UEC) RCS2015-225
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, such as cognitive radio which is changing the available frequency band adaptively, the research of advanced wireless communication systems which use a wide frequency band has become popular. In these systems, interference problem is caused frequently by the unwanted signal with strong input level, because receivers has wide receiving band. For such interference signals, it is required to suppress at the front end of the receiver, and it is necessary to detect the interference frequency. In this report, we propose a detection method of the frequency of any high-frequency signal, using a low-speed A/D converter which has two channels. Moreover, we propose simple detection method using a weighted average of interference signal power which is very strong than that of the desired wave, and show the validity by computer simulation.
Keyword (in Japanese) (See Japanese page) 
(in English) Cognitive radio / Non-linear problem of receiving system / Under-sampling / / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 288, RCS2015-225, pp. 209-214, Nov. 2015.
Paper # RCS2015-225 
Date of Issue 2015-10-28 (RCS) 
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 RCS2015-225

Conference Information
Committee AP RCS WPT SAT  
Conference Date 2015-11-04 - 2015-11-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Prefectural Museum & Art Museum 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antenna and Propagation, Radio Communication, Satelite Communication, Wireless Power Transfer 
Paper Information
Registration To RCS 
Conference Code 2015-11-AP-RCS-WPT-SAT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) High Frequency Radio Environment Recognition based on Undersampling 
Sub Title (in English)  
Keyword(1) Cognitive radio  
Keyword(2) Non-linear problem of receiving system  
Keyword(3) Under-sampling  
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1st Author's Name Nobuaki Kuno  
1st Author's Affiliation The University of Electro-Communications (UEC)
2nd Author's Name Yuki Morimoto  
2nd Author's Affiliation The University of Electro-Communications (UEC)
3rd Author's Name Yoshio Karasawa  
3rd Author's Affiliation The University of Electro-Communications (UEC)
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Speaker Author-1 
Date Time 2015-11-06 09:30:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2015-225 
Volume (vol) vol.115 
Number (no) no.288 
Page pp.209-214 
#Pages
Date of Issue 2015-10-28 (RCS) 


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