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Paper Abstract and Keywords
Presentation 2010-08-27 14:00
A study on spectrum sharing technique using channel occupancy rate
Tahseen Kazmi, Kenta Umebayashi, Yukihiro Kamiya, Yasuo Suzuki (Tokyo Univ. of Agr and Tech.) RCS2010-101
Abstract (in Japanese) (See Japanese page) 
(in English) This paper presents a spectrum sharing technique based on the Channel Occupancy Rate(COR)information of the Primary User(PU) by the Secondary User(SU).
PU and the SU are IEEE802.11a based Wireless LAN, and the goal of SU in this spectrum sharing is to maximize its performance while protecting the PU's performance.The steps of the spectrum sharing are basically the same as the conventional method. SU estimates the COR of PU, sets its target COR, and try to attain the target by controlling size of its minimum contention window(CW).
For spectrum sharing, SU needs to know the upper bound value of COR. In the conventional method, the upper bound COR of the worst case was used,due to which the SU cannot maximize its performance in some cases.
We propose a method to calculate the upper bound COR corresponding to the environment.
In the conventional method, the SU controls its COR by updating slowly its minimum CW on an update ratio.
and the SU could not attain its target readily.
We propose a spectrum sharing technique in which the SU calculates the optimal minimum CW size based on the PU's COR information.
Also, we propose a method for the determination of the COR estimation period that can protect PU's performance. By computer simulations, it was confirmed that in the proposed method, the SU's performance can be maximized and it can achieve its target COR readily than the conventional method.
Keyword (in Japanese) (See Japanese page) 
(in English) spectrum sharing / channel occupancy rate(COR) / COR upper bound / COR estimation period / / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 175, RCS2010-101, pp. 135-140, Aug. 2010.
Paper # RCS2010-101 
Date of Issue 2010-08-19 (RCS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
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)
Download PDF RCS2010-101

Conference Information
Committee SAT RCS  
Conference Date 2010-08-26 - 2010-08-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Kagoshima Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To RCS 
Conference Code 2010-08-SAT-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A study on spectrum sharing technique using channel occupancy rate 
Sub Title (in English)  
Keyword(1) spectrum sharing  
Keyword(2) channel occupancy rate(COR)  
Keyword(3) COR upper bound  
Keyword(4) COR estimation period  
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1st Author's Name Tahseen Kazmi  
1st Author's Affiliation Tokyo University of Agriculture and Technology (Tokyo Univ. of Agr and Tech.)
2nd Author's Name Kenta Umebayashi  
2nd Author's Affiliation Tokyo University of Agriculture and Technology (Tokyo Univ. of Agr and Tech.)
3rd Author's Name Yukihiro Kamiya  
3rd Author's Affiliation Tokyo University of Agriculture and Technology (Tokyo Univ. of Agr and Tech.)
4th Author's Name Yasuo Suzuki  
4th Author's Affiliation Tokyo University of Agriculture and Technology (Tokyo Univ. of Agr and Tech.)
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Speaker Author-1 
Date Time 2010-08-27 14:00:00 
Presentation Time 20 minutes 
Registration for RCS 
Paper # RCS2010-101 
Volume (vol) vol.110 
Number (no) no.175 
Page pp.135-140 
#Pages 6 
Date of Issue 2010-08-19 (RCS) 

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