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Paper Abstract and Keywords
Presentation 2017-11-13 14:15
[Poster Presentation] A Study on Arrival Path Extraction for Channel Modeling
Hiroki Ohara, Hirokazu Sawada, Masayuki Oodo, Fumihide Kojima (NICT) SRW2017-48
Abstract (in Japanese) (See Japanese page) 
(in English) In high-speed and wide-band wireless communications, it is widely known that delayed paths arriving from various directions due to reflection or scattering have strong influence on transmission quality. In the physical layer design of wireless communication systems, radio propagation characteristics are analyzed and the channel model considering the radio propagation characteristics becomes an important tool for system evaluation. For conventional Ultra-Wide Band (UWB) systems, the CLEAN algorithm has often been used to extract arrival paths for channel modeling. When extracting the arrival rays from channel impulse responses (CIRs) by the CLEAN algorithm, only the amplitude of the CIRs were considered, and phase information was not utilized. In this study, the CLEAN algorithm is applied to complex-valued CIRs, and the CLEAN algorithm considering the phase information is compared with the conventional CLEAN algorithm. In addition, the results are also compared with the SAGE algorithm, which is a super-resolution parameter estimation algorithm that also includes phase information, and the influence of phase information on accurate path extraction is reported.
Keyword (in Japanese) (See Japanese page) 
(in English) Channel Modeling / Path Extraction / CLEAN Algorithm / SAGE Algorithm / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 297, SRW2017-48, pp. 23-24, Nov. 2017.
Paper # SRW2017-48 
Date of Issue 2017-11-06 (SRW) 
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 SRW2017-48

Conference Information
Committee SRW  
Conference Date 2017-11-13 - 2017-11-14 
Place (in Japanese) (See Japanese page) 
Place (in English) NICT (Koganei) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) IoT workshop 
Paper Information
Registration To SRW 
Conference Code 2017-11-SRW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Arrival Path Extraction for Channel Modeling 
Sub Title (in English)  
Keyword(1) Channel Modeling  
Keyword(2) Path Extraction  
Keyword(3) CLEAN Algorithm  
Keyword(4) SAGE Algorithm  
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Keyword(6)  
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1st Author's Name Hiroki Ohara  
1st Author's Affiliation National Institute of Information and Communications Technology (NICT)
2nd Author's Name Hirokazu Sawada  
2nd Author's Affiliation National Institute of Information and Communications Technology (NICT)
3rd Author's Name Masayuki Oodo  
3rd Author's Affiliation National Institute of Information and Communications Technology (NICT)
4th Author's Name Fumihide Kojima  
4th Author's Affiliation National Institute of Information and Communications Technology (NICT)
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Speaker Author-1 
Date Time 2017-11-13 14:15:00 
Presentation Time 5 minutes 
Registration for SRW 
Paper # SRW2017-48 
Volume (vol) vol.117 
Number (no) no.297 
Page pp.23-24 
#Pages 2 
Date of Issue 2017-11-06 (SRW) 

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