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Paper Abstract and Keywords
Presentation 2013-03-07 09:40
Balancing algorithm of time slot assignment accommodating traffic load in IEEE 802.16j relay networks
Tomoya Kitayama, Go Hasegawa, Yoshiaki Taniguchi, Hirotaka Nakano (Osaka Univ.) NS2012-167
Abstract (in Japanese) (See Japanese page) 
(in English) In IEEE 802.16j relay networks, time slot assignment has large influence on
link transmission quality
and resulting transmission bit amount
because it is affected by
interference signals from nodes using the same time slot.
Furthermore, when adaptive modulation and coding is employed for data transmission on wireless links,
the transmission bitrate is highly dependent on the link transmission quality.
Therefore, we need to assign time slots to links considering the balance between traffic load
and transmission quality of each link because
links with insufficient or excess transmission bit amount against traffic loads
cause the waste of wireless resources and the degradation of network performance. In this report, we propose a balancing algorithm of time slot assignment for IEEE 802.16j relay networks,
considering traffic demand and link transmission quality.
The proposed method adjusts the number of required time slots of links according to their traffic loads. Performance evaluation results exhibit that the proposed method improves data transfer throughput
by up to around 500\%.
Keyword (in Japanese) (See Japanese page) 
(in English) IEEE 802.16j / Time slot assignment / Traffic demand / Transmission quality / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 463, NS2012-167, pp. 13-18, March 2013.
Paper # NS2012-167 
Date of Issue 2013-02-28 (NS) 
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 NS IN  
Conference Date 2013-03-07 - 2013-03-08 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Zanpamisaki Royal Hotel 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To NS 
Conference Code 2013-03-NS-IN 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Balancing algorithm of time slot assignment accommodating traffic load in IEEE 802.16j relay networks 
Sub Title (in English)  
Keyword(1) IEEE 802.16j  
Keyword(2) Time slot assignment  
Keyword(3) Traffic demand  
Keyword(4) Transmission quality  
1st Author's Name Tomoya Kitayama  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Go Hasegawa  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Yoshiaki Taniguchi  
3rd Author's Affiliation Osaka University (Osaka Univ.)
4th Author's Name Hirotaka Nakano  
4th Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2013-03-07 09:40:00 
Presentation Time 20 minutes 
Registration for NS 
Paper # NS2012-167 
Volume (vol) vol.112 
Number (no) no.463 
Page pp.13-18 
Date of Issue 2013-02-28 (NS) 

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