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Paper Abstract and Keywords
Presentation 2013-05-16 16:40
[Poster Presentation] Medium Access Control Protocol for Head-of-Line Blocking Problem in Ad-hoc Networks with Heterogeneous Antennas
Taichi Yamakawa, Yuichi Miyaji, Hideyuki Uehara (Toyohashi Univ. of Tech.) ASN2013-35
Abstract (in Japanese) (See Japanese page) 
(in English) Ad-hoc networks have terminals with various antenna capabilities such as omni-directional antenna and directional one. However, in ad-hoc networks with heterogeneous antennas, the Medium Access Control (MAC) layer problems such as deafness and Head-of-Line (HOL) blocking problem are not discussed. In this study, we argue HOL blocking problem due to deafness in ad-hoc networks with heterogeneous antennas. For solving the problem, we propose an opportunistic MAC protocol. In this protocol, if a sender does not receive CTS frame because of deafness, it attempts transmission to other destination. Deafness occurs only if the destination has directional antenna. The proposed MAC protocol uses the antenna type of the destination for determining whether the sender transmits to other destination or not. As a simulation result, the proposed MAC protocol achieves about 28% higher throughput than IEEE 802.11 DCF.
Keyword (in Japanese) (See Japanese page) 
(in English) Heterogeneous Antenna Ad-hoc Networks / Head-of-Line Blocking / Opportunistic / / / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 38, ASN2013-35, pp. 173-177, May 2013.
Paper # ASN2013-35 
Date of Issue 2013-05-09 (ASN) 
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 ASN IPSJ-UBI  
Conference Date 2013-05-16 - 2013-05-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Kumamoto University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Freshman Session, etc. 
Paper Information
Registration To ASN 
Conference Code 2013-05-ASN-UBI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Medium Access Control Protocol for Head-of-Line Blocking Problem in Ad-hoc Networks with Heterogeneous Antennas 
Sub Title (in English)  
Keyword(1) Heterogeneous Antenna Ad-hoc Networks  
Keyword(2) Head-of-Line Blocking  
Keyword(3) Opportunistic  
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1st Author's Name Taichi Yamakawa  
1st Author's Affiliation Toyohashi University of Technology (Toyohashi Univ. of Tech.)
2nd Author's Name Yuichi Miyaji  
2nd Author's Affiliation Toyohashi University of Technology (Toyohashi Univ. of Tech.)
3rd Author's Name Hideyuki Uehara  
3rd Author's Affiliation Toyohashi University of Technology (Toyohashi Univ. of Tech.)
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Speaker Author-1 
Date Time 2013-05-16 16:40:00 
Presentation Time 100 minutes 
Registration for ASN 
Paper # ASN2013-35 
Volume (vol) vol.113 
Number (no) no.38 
Page pp.173-177 
#Pages
Date of Issue 2013-05-09 (ASN) 


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