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Paper Abstract and Keywords
Presentation 2017-10-26 11:25
Interference monitoring scheme using feature detection between satellite and cellular systems (28 GHz)
Kanshiro Kashiki, Tomoki Sada (KDDI Research), Akihide Nagamine, Fumio Watanabe (Titec) SAT2017-42
Abstract (in Japanese) (See Japanese page) 
(in English) This manuscript presents study results for an interference monitoring scheme between satellite and cellular systems in the 28 GHz band. For adequate monitoring sensitivity, we used feature detection techniques such as a frequency multiplying function and a use of Cyclic Prefix (CP) attached in the OFDM signal. The proposed scheme permits the estimation of the power ratio of satellite and cellular signals, together with the input Carrier to Noise power ratio. The scheme is made possible by the fact that an interference signal can be treated like input thermal noise in the feature detector, as verified by computer simulation. Aiming for a realistic examination of their performances, an already commercialized mobile satellite service was presumed as the satellite system. The assumed specifications of the cellular system were based on the presently operating LTE system, which is commonly named Proof-of-Concept (PoC). The computer simulation indicated that an estimated power ratio of 20 dB is attainable with high accuracy. Finally, current status of frequency sharing studies between satellite and cellular systems in the ITU-R are briefly introduced.
Keyword (in Japanese) (See Japanese page) 
(in English) interference monitoring scheme / feature detection / satellite and cellular systems / 28 GHz / Cyclic Prefix / OFDM signal / sharing study in ITU-R /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 261, SAT2017-42, pp. 23-28, Oct. 2017.
Paper # SAT2017-42 
Date of Issue 2017-10-19 (SAT) 
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 SAT2017-42

Conference Information
Committee SAT  
Conference Date 2017-10-26 - 2017-10-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Cellular Telephone Company 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Satellite communications, etc. 
Paper Information
Registration To SAT 
Conference Code 2017-10-SAT 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Interference monitoring scheme using feature detection between satellite and cellular systems (28 GHz) 
Sub Title (in English)  
Keyword(1) interference monitoring scheme  
Keyword(2) feature detection  
Keyword(3) satellite and cellular systems  
Keyword(4) 28 GHz  
Keyword(5) Cyclic Prefix  
Keyword(6) OFDM signal  
Keyword(7) sharing study in ITU-R  
Keyword(8)  
1st Author's Name Kanshiro Kashiki  
1st Author's Affiliation KDDI Research, Inc (KDDI Research)
2nd Author's Name Tomoki Sada  
2nd Author's Affiliation KDDI Research, Inc (KDDI Research)
3rd Author's Name Akihide Nagamine  
3rd Author's Affiliation Tokyo Institue of technology (Titec)
4th Author's Name Fumio Watanabe  
4th Author's Affiliation Tokyo Institue of technology (Titec)
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Speaker Author-1 
Date Time 2017-10-26 11:25:00 
Presentation Time 25 minutes 
Registration for SAT 
Paper # SAT2017-42 
Volume (vol) vol.117 
Number (no) no.261 
Page pp.23-28 
#Pages 6 
Date of Issue 2017-10-19 (SAT) 

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