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Paper Abstract and Keywords
Presentation 2020-12-18 10:25
An Energy-Efficient Top-k Data Collection Considering Ranking Accuracy for Wireless Sensor Networks Using Wake-up Receivers
Junya Shiraishi, Hiroyuki Yomo (Kansai Univ.) NS2020-97
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we focus on periodical top-k query in on-demand wireless sensor networks (WSNs) employing wake-up receivers.
In order to save energy in top-k query, we need to design a wake-up control activating only required nodes to grasp the desired top-k set.
Focusing on the temporal correlation of data observed by sensor nodes, in our previous work, we have proposed a wake-up control identifying the exact top-k set by activating only the minimum subset of nodes providing information on the difference of top-k set between different rounds of query.
However, the conventional scheme cannot suppress the unnecessary wake-up by adapting to the required accuracy when a user executes an approximate top-k query that does not require 100% accuracy.
Therefore, in this paper, we propose a new wake-up control that can collect approximate top-k set maintaining high ranking accuracy while achieving high energy efficiency.
We evaluate the effectiveness of the proposed wake-up control with computer simulations employing a practical MAC (Medium Access Control) protocol.
Keyword (in Japanese) (See Japanese page) 
(in English) WSNs / wake-up receiver / MAC protocol / temporal correlation / top-k query / ranking accuracy / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 297, NS2020-97, pp. 54-59, Dec. 2020.
Paper # NS2020-97 
Date of Issue 2020-12-10 (NS) 
ISSN 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 NS2020-97

Conference Information
Committee NS RCS  
Conference Date 2020-12-17 - 2020-12-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Multi-hop/Relay/Cooperation, Disaster-resistant wireless network, Sensor/Mesh network, Ad-hoc network, D2D/M2M, Wireless network coding, Handover/AP switching/Connected cell control/Load balancing among base stations/Mobile network dynamic reconfiguration, QoS/QoE assurance, Wireless VoIP, IoT, Edge computing, etc. 
Paper Information
Registration To NS 
Conference Code 2020-12-NS-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An Energy-Efficient Top-k Data Collection Considering Ranking Accuracy for Wireless Sensor Networks Using Wake-up Receivers 
Sub Title (in English)  
Keyword(1) WSNs  
Keyword(2) wake-up receiver  
Keyword(3) MAC protocol  
Keyword(4) temporal correlation  
Keyword(5) top-k query  
Keyword(6) ranking accuracy  
Keyword(7)  
Keyword(8)  
1st Author's Name Junya Shiraishi  
1st Author's Affiliation Kansai University (Kansai Univ.)
2nd Author's Name Hiroyuki Yomo  
2nd Author's Affiliation Kansai University (Kansai Univ.)
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Speaker Author-1 
Date Time 2020-12-18 10:25:00 
Presentation Time 25 minutes 
Registration for NS 
Paper # NS2020-97 
Volume (vol) vol.120 
Number (no) no.297 
Page pp.54-59 
#Pages 6 
Date of Issue 2020-12-10 (NS) 

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