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Paper Abstract and Keywords
Presentation 2011-10-27 10:10
Link Design for Indoor Sensor Networks Driven by Wireless Power Transmission
Gia Khanh Tran, Putro Wicaksono Ragil, Daiki Maehara, Kei Sakaguchi, Kiyomichi Araki (Tokyo Inst. of Tech.), Minoru Furukawa (Nihon Dengyo Kosaku) RCS2011-159 SR2011-63 AN2011-37 USN2011-39
Abstract (in Japanese) (See Japanese page) 
(in English) Sensor node life-time limitation in wireless sensor networks has long become an issue, preventing the realization of a reliable ubiquitous network. By fusing wireless sensor network and wireless power transmission, the authors have proposed the concept of wireless grid to solve the battery life problem in indoor environment. In this paper, we perform the link design for wireless grid including both the power transmission and the data transmission transfer and compare the performance to conventional sensor networks. The wireless power transmission of the proposed system is designed to support spatially distributed indoor sensors with driving power of 100$\mu$W by introducing techniques e.g. transceiver diversity and carrier shifted multipoint transmission to improve power charging efficiency and avoid long-term signal power degradation due to standing wave problem. In addition, in data transmission link, multiple access scheme based on multi-user MIMO technologies is adapted to the network topology to improve the spectral efficiency of the entire network. Simulation results show an improvement of more than 10 times in terms of network spectral efficiency compared to conventional network. It can be said that the proposed technique can realize an autonomous and highly efficient ubiquitous sensor networks.
Keyword (in Japanese) (See Japanese page) 
(in English) wireless power transmission / wireless sensor networks / indoor environment / passive RFID / 950MHz / multi-user MIMO / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 261, SR2011-63, pp. 135-142, Oct. 2011.
Paper # SR2011-63 
Date of Issue 2011-10-19 (RCS, SR, AN, 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 RCS2011-159 SR2011-63 AN2011-37 USN2011-39

Conference Information
Committee RCS AN SR USN  
Conference Date 2011-10-26 - 2011-10-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Sophia Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wireless Distributed Networks, etc. 
Paper Information
Registration To SR 
Conference Code 2011-10-RCS-AN-SR-USN 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Link Design for Indoor Sensor Networks Driven by Wireless Power Transmission 
Sub Title (in English)  
Keyword(1) wireless power transmission  
Keyword(2) wireless sensor networks  
Keyword(3) indoor environment  
Keyword(4) passive RFID  
Keyword(5) 950MHz  
Keyword(6) multi-user MIMO  
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Keyword(8)  
1st Author's Name Gia Khanh Tran  
1st Author's Affiliation Tokyo Institute of Technology (Tokyo Inst. of Tech.)
2nd Author's Name Putro Wicaksono Ragil  
2nd Author's Affiliation Tokyo Institute of Technology (Tokyo Inst. of Tech.)
3rd Author's Name Daiki Maehara  
3rd Author's Affiliation Tokyo Institute of Technology (Tokyo Inst. of Tech.)
4th Author's Name Kei Sakaguchi  
4th Author's Affiliation Tokyo Institute of Technology (Tokyo Inst. of Tech.)
5th Author's Name Kiyomichi Araki  
5th Author's Affiliation Tokyo Institute of Technology (Tokyo Inst. of Tech.)
6th Author's Name Minoru Furukawa  
6th Author's Affiliation Nihon Dengyo Kosaku Co., Ltd. (Nihon Dengyo Kosaku)
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Speaker Author-1 
Date Time 2011-10-27 10:10:00 
Presentation Time 25 minutes 
Registration for SR 
Paper # RCS2011-159, SR2011-63, AN2011-37, USN2011-39 
Volume (vol) vol.111 
Number (no) no.260(RCS), no.261(SR), no.262(AN), no.263(USN) 
Page pp.125-132(RCS), pp.135-142(SR), pp.107-114(AN), pp.107-114(USN) 
#Pages 8 
Date of Issue 2011-10-19 (RCS, SR, AN, USN) 

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