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Paper Abstract and Keywords
Presentation 2007-05-25 11:15
Distributed resource allocation with inter-user and inter-system fairness for cognitive radio system
Takefumi Yamada, Takahiro Asai, Tatsuo Furuno, Tomoyuki Ohya (NTT DoCoMo) SR2007-13
Abstract (in Japanese) (See Japanese page) 
(in English) Scarcity of radio spectrum is becoming serious problem in accordance with rapid growth of mobile/wireless markets. In order to overcome this problem, cognitive radio is a promising technology to realize flexible and dynamic spectrum allocation which can improve spectrum availability. In this paper, we propose a policy rule on the spectrum sharing in a distributed manner for users to realize multi-level fairness, that is inter-enduser fairness and inter-system fairness, assuming that several network operators manage different numbers of endusers in the same spectrum. Also we propose another policy rule for total throughput maximization within the shared spectrum. These policy rules are implemented as an adaptive transmit probability control algorithm and evaluated by computer simulations to show the effectiveness of proposals in the fairness and total throughput point of view.
Keyword (in Japanese) (See Japanese page) 
(in English) Cognitive radio / De-centralized control / Multi-level fairness / Game thoery / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 69, SR2007-13, pp. 73-78, May 2007.
Paper # SR2007-13 
Date of Issue 2007-05-17 (SR) 
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 SR2007-13

Conference Information
Committee SR  
Conference Date 2007-05-24 - 2007-05-25 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SR 
Conference Code 2007-05-SR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Distributed resource allocation with inter-user and inter-system fairness for cognitive radio system 
Sub Title (in English)  
Keyword(1) Cognitive radio  
Keyword(2) De-centralized control  
Keyword(3) Multi-level fairness  
Keyword(4) Game thoery  
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1st Author's Name Takefumi Yamada  
1st Author's Affiliation NTT DoCoMo, Inc. (NTT DoCoMo)
2nd Author's Name Takahiro Asai  
2nd Author's Affiliation NTT DoCoMo, Inc. (NTT DoCoMo)
3rd Author's Name Tatsuo Furuno  
3rd Author's Affiliation NTT DoCoMo, Inc. (NTT DoCoMo)
4th Author's Name Tomoyuki Ohya  
4th Author's Affiliation NTT DoCoMo, Inc. (NTT DoCoMo)
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Speaker Author-1 
Date Time 2007-05-25 11:15:00 
Presentation Time 25 minutes 
Registration for SR 
Paper # SR2007-13 
Volume (vol) vol.107 
Number (no) no.69 
Page pp.73-78 
#Pages 6 
Date of Issue 2007-05-17 (SR) 

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