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Paper Abstract and Keywords
Presentation 2007-11-29 14:30
Theoretical Analysis of Path Quality in Multi-Hop Wireless Networks
Yusuke Morioka, Kazuyuki Miyakita, Keisuke Nakano, Masakazu Sengoku (Niigata Univ.), Shoji Shinoda (Chuo Univ.) CAS2007-70 CST2007-21
Abstract (in Japanese) (See Japanese page) 
(in English) In multi-hop wireless networks, the source and destination nodes usually have some candidate paths between them, and the path quality depends on the selection of a multi-hop path from these candidates. Therefore, it is important to choose a high quality path. Also, the theoretical analysis of the relation between the selection of a path and the quality of the path is important to evaluate the performance of networks. In this paper, we use ETX (expected transmission count) as a metric of path quality and analyze the ETX of the best path, which maximizes the communication quality. We approximately analyzed the ETX of the best path in a one-dimensional network where nodes are randomly distributed because the exact analysis is difficult in such a network. Then in this paper, we derive two theorems to exactly analyze the ETX of the best path in the network where nodes are located at constant intervals. Theorem 1 gives ETX of the best $k$-hop path, which maximizes the communication quality in all $k$-hop paths. Theorem 2 limits the number of hops of the best path to at most two candidates. We compute the ETX of the best path using Theorems 1 and 2, and compare a path which minimizes the length of each link and another path which minimizes the number of hops with the best path in the ETX.
Keyword (in Japanese) (See Japanese page) 
(in English) multi-hop wireless networks / communication quality / ETX / theoretical analysis / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 361, CAS2007-70, pp. 17-22, Nov. 2007.
Paper # CAS2007-70 
Date of Issue 2007-11-22 (CAS, CST) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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 MSS CAS  
Conference Date 2007-11-29 - 2007-11-30 
Place (in Japanese) (See Japanese page) 
Place (in English) Niigata University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Graphs, Petri nets, Neural Networks 
Paper Information
Registration To CAS 
Conference Code 2007-11-CST-CAS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Theoretical Analysis of Path Quality in Multi-Hop Wireless Networks 
Sub Title (in English)  
Keyword(1) multi-hop wireless networks  
Keyword(2) communication quality  
Keyword(3) ETX  
Keyword(4) theoretical analysis  
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1st Author's Name Yusuke Morioka  
1st Author's Affiliation Niigata University (Niigata Univ.)
2nd Author's Name Kazuyuki Miyakita  
2nd Author's Affiliation Niigata University (Niigata Univ.)
3rd Author's Name Keisuke Nakano  
3rd Author's Affiliation Niigata University (Niigata Univ.)
4th Author's Name Masakazu Sengoku  
4th Author's Affiliation Niigata University (Niigata Univ.)
5th Author's Name Shoji Shinoda  
5th Author's Affiliation Chuo University (Chuo Univ.)
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Speaker Author-1 
Date Time 2007-11-29 14:30:00 
Presentation Time 25 minutes 
Registration for CAS 
Paper # CAS2007-70, CST2007-21 
Volume (vol) vol.107 
Number (no) no.361(CAS), no.363(CST) 
Page pp.17-22 
#Pages
Date of Issue 2007-11-22 (CAS, CST) 


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