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Paper Abstract and Keywords
Presentation 2016-06-24 09:00
Energy-Efficient Random Sleep Protocol based on Distributed Coding for Sensor-to-Vehicular Communications
Yuki Goto, Shun Ogata, Koji Ishibashi (Univ. Electro-Commun.), Yasuhiro Hirayama, Tsuneo Nakata (DENSO) RCS2016-75
Abstract (in Japanese) (See Japanese page) 
(in English) We focus on sensor-to-vehicular communications and propose a emph{random sleep protocol based on distributed coding} (RSDC) which realizes highly efficient information delivery systems. In RSDC, sensor nodes share their information prior to the transmission and individually encode it. Then, every sensor node decides to either sleep or transmit its own codeword based on the given sleep probability. At the receiver side, untransmitted codewords can be seen as emph{erasure}. Using appropriate erasure correcting codes for the equivalent erasure channels, the receiver can correctly retrieve the whole information. In this paper, Luby transform (LT) codes are employed as erasure correcting codes, and the packet delivery rate of RSDC is theoretically derived over Rayleigh fading channels, using density evolution. Based on the analytical results, the maximum sleep probability can be obtained while keeping the packet delivery rate (PDR) arbitrarily high. Furthermore, numerical results show that RSDC achieves higher energy efficiency than the conventional protocol via computer simulations.
Keyword (in Japanese) (See Japanese page) 
(in English) Sensor-to-vehicular communications / rateless codes / density evolution / energy-efficient communications / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 110, RCS2016-75, pp. 167-172, June 2016.
Paper # RCS2016-75 
Date of Issue 2016-06-15 (RCS) 
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)
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Conference Information
Committee RCS  
Conference Date 2016-06-22 - 2016-06-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Univ. of the Ryukyus 
Topics (in Japanese) (See Japanese page) 
Topics (in English) First Presentation in IEICE Technical Committee, Railroad Communications, Inter-Vehicle Communications, Road to Vehicle Communications, Resource Control, Scheduling, Wireless Communication Systems, etc. 
Paper Information
Registration To RCS 
Conference Code 2016-06-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Energy-Efficient Random Sleep Protocol based on Distributed Coding for Sensor-to-Vehicular Communications 
Sub Title (in English)  
Keyword(1) Sensor-to-vehicular communications  
Keyword(2) rateless codes  
Keyword(3) density evolution  
Keyword(4) energy-efficient communications  
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1st Author's Name Yuki Goto  
1st Author's Affiliation The University of Electro-Communications (Univ. Electro-Commun.)
2nd Author's Name Shun Ogata  
2nd Author's Affiliation The University of Electro-Communications (Univ. Electro-Commun.)
3rd Author's Name Koji Ishibashi  
3rd Author's Affiliation The University of Electro-Communications (Univ. Electro-Commun.)
4th Author's Name Yasuhiro Hirayama  
4th Author's Affiliation DENSO CORPORATION (DENSO)
5th Author's Name Tsuneo Nakata  
5th Author's Affiliation DENSO CORPORATION (DENSO)
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Speaker Author-1 
Date Time 2016-06-24 09:00:00 
Presentation Time 10 minutes 
Registration for RCS 
Paper # RCS2016-75 
Volume (vol) vol.116 
Number (no) no.110 
Page pp.167-172 
#Pages 6 
Date of Issue 2016-06-15 (RCS) 

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