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Paper Abstract and Keywords
Presentation 2011-07-14 14:20
Weighted RSSI Based Indoor positioning method considering radio wave condition
Nagisa Gomi, Jing Ma (Chiba Univ.), Ikumi Wada (NEC Communication System,Ltd.), Nobuyoshi Komuro, Shiro Sakata (Chiba Univ.) USN2011-14
Abstract (in Japanese) (See Japanese page) 
(in English) Although Global Positioning System (GPS) employing radio information from multiple satellites has been widely used, the system is not available in indoor environments.
Wireless sensor networks are considered as indoor positioning techniques instead of GPS, and many RSSI (Received Signal Strength Indicator)-used schemes have been proposed because of its low power and low cost.
RSSI is, however, affected by radio emitted from other electronic devices and multipath fading caused by physical objects.
The positioning accuracy of RSSI-used method is much lower than other methods using arrival time and arrival angle of radio signals.
This paper proposes a method which achieves the high estimation accuracy by using communication quality determined by RSSI.
In this method, nodes at stable radio conditions are selected based on the determined quality, and appropriate weights are assigned to those nodes for position estimation.
Simulation results show the effectiveness of the proposed method.
Keyword (in Japanese) (See Japanese page) 
(in English) Sensor Networks / RSSI / Indoor Positioning / Weighting / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 134, USN2011-14, pp. 49-54, July 2011.
Paper # USN2011-14 
Date of Issue 2011-07-07 (USN) 
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 USN2011-14

Conference Information
Committee USN IPSJ-UBI  
Conference Date 2011-07-14 - 2011-07-15 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyushu Univ. Nishishin Plaza 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To USN 
Conference Code 2011-07-USN-UBI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Weighted RSSI Based Indoor positioning method considering radio wave condition 
Sub Title (in English)  
Keyword(1) Sensor Networks  
Keyword(2) RSSI  
Keyword(3) Indoor Positioning  
Keyword(4) Weighting  
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1st Author's Name Nagisa Gomi  
1st Author's Affiliation Chiba University (Chiba Univ.)
2nd Author's Name Jing Ma  
2nd Author's Affiliation Chiba University (Chiba Univ.)
3rd Author's Name Ikumi Wada  
3rd Author's Affiliation NEC Communication System,Ltd. (NEC Communication System,Ltd.)
4th Author's Name Nobuyoshi Komuro  
4th Author's Affiliation Chiba University (Chiba Univ.)
5th Author's Name Shiro Sakata  
5th Author's Affiliation Chiba University (Chiba Univ.)
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Speaker Author-1 
Date Time 2011-07-14 14:20:00 
Presentation Time 25 minutes 
Registration for USN 
Paper # USN2011-14 
Volume (vol) vol.111 
Number (no) no.134 
Page pp.49-54 
#Pages 6 
Date of Issue 2011-07-07 (USN) 

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