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Paper Abstract and Keywords
Presentation 2015-01-22 13:35
Experimental Performance Evaluation of Interference Reduction Between Multiple Wireless Systems Exploiting Load Modulation
Takuma Ito, Naoki Honma (Iwate Univ.), Kentaro Nishimori (Niigata Univ.), Yoshitaka Tsunekawa (Iwate Univ.) AP2014-168
Abstract (in Japanese) (See Japanese page) 
(in English) When secondary system uses the same frequency band in the area of primary system such as television broadcast system which has the primary receiver, interference between the base station of secondary system and primary receiver is important issues because the base station of secondary system cannot estimate interference channel. The authors have proposed the interference suppression method, where the load modulation technique is used to primary receiver, and the base station of secondary system estimates the channel from the primary receiver. This paper presents the experimental results of the effect of interference reduction by our method. In the experiment, PIN diode is used as a load impedance element, and it is possible for primary receiver to load modulation. The measurement results showed that the Signal-to-Interference Ratio (SIR) with interference control at primary receiver side is improved up to on average of 17.0 dB compared to that without interference control. From this experiment, it is found that the interference suppression method using load modulation wave is effective in reducing interference.
Keyword (in Japanese) (See Japanese page) 
(in English) Load modulation / Frequency sharing / Interference control / Channel capacity / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 396, AP2014-168, pp. 39-44, Jan. 2015.
Paper # AP2014-168 
Date of Issue 2015-01-15 (AP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
Copyright
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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 AP  
Conference Date 2015-01-22 - 2015-01-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Ehime University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2015-01-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Experimental Performance Evaluation of Interference Reduction Between Multiple Wireless Systems Exploiting Load Modulation 
Sub Title (in English)  
Keyword(1) Load modulation  
Keyword(2) Frequency sharing  
Keyword(3) Interference control  
Keyword(4) Channel capacity  
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1st Author's Name Takuma Ito  
1st Author's Affiliation Iwate University (Iwate Univ.)
2nd Author's Name Naoki Honma  
2nd Author's Affiliation Iwate University (Iwate Univ.)
3rd Author's Name Kentaro Nishimori  
3rd Author's Affiliation Niigata University (Niigata Univ.)
4th Author's Name Yoshitaka Tsunekawa  
4th Author's Affiliation Iwate University (Iwate Univ.)
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Speaker
Date Time 2015-01-22 13:35:00 
Presentation Time 25 
Registration for AP 
Paper # IEICE-AP2014-168 
Volume (vol) IEICE-114 
Number (no) no.396 
Page pp.39-44 
#Pages IEICE-6 
Date of Issue IEICE-AP-2015-01-15 


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