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Paper Abstract and Keywords
Presentation 2011-05-19 10:50
Efficient Construction of Coverage Map Avoiding Positional Gaps
Haruki Izumikawa, Shinobu Nanba, Yoji Kishi (KDDI Labs.) NS2011-19
Abstract (in Japanese) (See Japanese page) 
(in English) A coverage map can be constructed by gleaning radio signal quality information, such as RSRP and RSRQ, with location information from mobile terminals. The greater the position error reported by a terminal, the lower the reliability and the validity of the information. However, it is difficult for a GPS receiver to work correctly while the cellular interface is working for a variety of reasons. In other words, positioning can start only when cellular communication ends. This indicates that a gross positional gap could exist between the location where the radio signal information is logged and the location where the GPS works, especially when the terminal is moving around. In this paper, we propose a novel method to deduce the degree of the gap, i.e., the accuracy of the collected location information. The proposed method enables the coverage map to be more trustworthy and accurate by excluding information with large positional gaps.
Keyword (in Japanese) (See Japanese page) 
(in English) Coverage map / Service map / Minimization of Drive Tests (MDT) / Heterogeneous network / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 43, NS2011-19, pp. 19-22, May 2011.
Paper # NS2011-19 
Date of Issue 2011-05-12 (NS) 
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 NS2011-19

Conference Information
Committee NS  
Conference Date 2011-05-19 - 2011-05-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Sophia University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Advanced Protocol and Network Control (Application level routing, QoS and Path Control, P2P, P4P, SIP), Network System Architecture (Interface, Hardware, Software) 
Paper Information
Registration To NS 
Conference Code 2011-05-NS 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Efficient Construction of Coverage Map Avoiding Positional Gaps 
Sub Title (in English)  
Keyword(1) Coverage map  
Keyword(2) Service map  
Keyword(3) Minimization of Drive Tests (MDT)  
Keyword(4) Heterogeneous network  
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Keyword(6)  
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1st Author's Name Haruki Izumikawa  
1st Author's Affiliation KDDI R&D Labs. (KDDI Labs.)
2nd Author's Name Shinobu Nanba  
2nd Author's Affiliation KDDI R&D Labs. (KDDI Labs.)
3rd Author's Name Yoji Kishi  
3rd Author's Affiliation KDDI R&D Labs. (KDDI Labs.)
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Speaker Author-1 
Date Time 2011-05-19 10:50:00 
Presentation Time 20 minutes 
Registration for NS 
Paper # NS2011-19 
Volume (vol) vol.111 
Number (no) no.43 
Page pp.19-22 
#Pages 4 
Date of Issue 2011-05-12 (NS) 

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