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Paper Abstract and Keywords
Presentation 2007-06-22 10:50
A battery saving method of reducing energy consumption of ad-hoc radio terminals in shadowing environments
Satoshi Takahashi, Kenji Ishida (Hiroshima City Univ.) IN2007-18
Abstract (in Japanese) (See Japanese page) 
(in English) A battery saving method for ad-hoc terminals with an emergency message transfer is considered. Each terminal has a motion sensor, sends an alive message when motion is detected, and transfers alive messages from others. The terminal needs efficient transmission since the connection do not always establish due to the terminal movement and shadowing. A battery saving method of choosing two sleep modes in accordance with the packet arrival rate is proposed. For a higher packet-arrival rate, three and more ad-hoc terminals sleep simultaneously. On the other hand, ad hoc terminals store, forward, and sleep individually for a lower packet-arrival probability. A battery saving method for a large-scale network as well as the choice is discussed in this paper.
Keyword (in Japanese) (See Japanese page) 
(in English) ad-hoc networks / radio propagation / shadowing / connection avaiability / low-antenna height / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 98, IN2007-18, pp. 43-47, June 2007.
Paper # IN2007-18 
Date of Issue 2007-06-14 (IN) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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)
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Conference Information
Committee IN  
Conference Date 2007-06-21 - 2007-06-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Future University-Hakodate 
Topics (in Japanese) (See Japanese page) 
Topics (in English) NGN, VoIP, Contents Delivery Network, IPv6, Next Generation Network, etc. 
Paper Information
Registration To IN 
Conference Code 2007-06-IN 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A battery saving method of reducing energy consumption of ad-hoc radio terminals in shadowing environments 
Sub Title (in English)  
Keyword(1) ad-hoc networks  
Keyword(2) radio propagation  
Keyword(3) shadowing  
Keyword(4) connection avaiability  
Keyword(5) low-antenna height  
1st Author's Name Satoshi Takahashi  
1st Author's Affiliation Hiroshima City University (Hiroshima City Univ.)
2nd Author's Name Kenji Ishida  
2nd Author's Affiliation Hiroshima City University (Hiroshima City Univ.)
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Date Time 2007-06-22 10:50:00 
Presentation Time 25 
Registration for IN 
Paper # IN2007-18 
Volume (vol) 107 
Number (no) no.98 
Page pp.43-47 
Date of Issue 2007-06-14 (IN) 

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