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Paper Abstract and Keywords
Presentation 2011-10-20 15:50
[Invited Talk] Energy-Efficient Wireless LAN employing Wake-up Radio
Hiroyuki Yomo (Kansai Univ.), Yoshihisa Kondo, Suhua Tang (ATR), Tetsuya Ito (NEC Communication Systems, Ltd.) WBS2011-24
Abstract (in Japanese) (See Japanese page) 
(in English) With the explosive growth of WiFi compliant devices, the number of deployed access points (APs) in wireless local area network (WLAN) is continuously increasing all over the world. These APs wastefully consume non-negligible amount of energy in an idle state where there is no user to support. While the power wastefully consumed by a single AP is small, the total amount of energy consumed by huge number of APs can be a non-negligible source of global CO2 emission. In order to reduce energy consumed by idle APs, we have proposed a radio-on-demand (ROD) network which offers wireless access only when and where it is needed in an on-demand manner. Each ROD AP is equipped with a low-cost and low-power wake-up receiver, and only the wake-up receiver is turned on during the idle state. A station which needs to communicate with an AP first transmits a wake-up signal to the wake-up receiver of the target AP which, after the successful reception of the wake-up signal, turns on the main system and data transceivers. We provide an overview and design principles of our proposed ROD network and discuss its benefit in terms of energy-efficiency. We also present our proposed wake-up mechanism which uses 802.11-based WLAN signals for conveying wake-up ID information to On-Off-Keying (OOK) based wake-up receivers.
Keyword (in Japanese) (See Japanese page) 
(in English) Wireless LAN / IEEE 802.11 / Energy-Efficiency / Wake-up Radio / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 244, WBS2011-24, pp. 13-18, Oct. 2011.
Paper # WBS2011-24 
Date of Issue 2011-10-13 (WBS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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 WBS2011-24

Conference Information
Committee WBS  
Conference Date 2011-10-20 - 2011-10-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Niigata University Satellite Campus "Tokimeito" 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Green Wireless, Poster Session 
Paper Information
Registration To WBS 
Conference Code 2011-10-WBS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Energy-Efficient Wireless LAN employing Wake-up Radio 
Sub Title (in English)  
Keyword(1) Wireless LAN  
Keyword(2) IEEE 802.11  
Keyword(3) Energy-Efficiency  
Keyword(4) Wake-up Radio  
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1st Author's Name Hiroyuki Yomo  
1st Author's Affiliation Kansai University (Kansai Univ.)
2nd Author's Name Yoshihisa Kondo  
2nd Author's Affiliation Advanced Telecommunications Research Institute International (ATR)
3rd Author's Name Suhua Tang  
3rd Author's Affiliation Advanced Telecommunications Research Institute International (ATR)
4th Author's Name Tetsuya Ito  
4th Author's Affiliation NEC Communication Systems, Ltd. (NEC Communication Systems, Ltd.)
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Speaker Author-1 
Date Time 2011-10-20 15:50:00 
Presentation Time 50 minutes 
Registration for WBS 
Paper # WBS2011-24 
Volume (vol) vol.111 
Number (no) no.244 
Page pp.13-18 
#Pages 6 
Date of Issue 2011-10-13 (WBS) 

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