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Paper Abstract and Keywords
Presentation 2010-10-29 11:20
Potential Game Approach for Spectrum Sharing with Multiple Higher-priority Users in Cognitive Radio Networks
I Wayan Mustika, Koji Yamamoto, Hidekazu Murata, Susumu Yoshida (Kyoto Univ.) AN2010-41
Abstract (in Japanese) (See Japanese page) 
(in English) Spectrum sharing is a new paradigm that can improve the spectral efficiency and alleviate the spectrum scarcity in wireless systems. By allowing lower-priority users to spatially reuse the spectrum allocated to higher-priority users, the spectrum resources can be efficiently utilized. In the present paper, a potential game approach for joint channel selection and power allocation in cognitive radio networks is proposed. Based on the proposed utility function, each lower-priority user attempts to choose the combination of channel and power to maximize its respective utility, which also reflects to the improvement of potential function. In particular, the situation where multiple higher-priority users may share the same frequency spectrum is considered. The simulation results show that the self-adaptation of lower-priority users in the proposed potential game minimizes the outage probability at higher-priority users and improves the spectral efficiency of the networks.
Keyword (in Japanese) (See Japanese page) 
(in English) spectrum sharing / interference management / self-adaptation / cognitive radio / game theory / potential game / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 253, AN2010-41, pp. 103-108, Oct. 2010.
Paper # AN2010-41 
Date of Issue 2010-10-21 (AN) 
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 AN USN SR RCS  
Conference Date 2010-10-27 - 2010-10-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Osaka University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wireless distributed network, etc. 
Paper Information
Registration To AN 
Conference Code 2010-10-AN-USN-SR-RCS 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Potential Game Approach for Spectrum Sharing with Multiple Higher-priority Users in Cognitive Radio Networks 
Sub Title (in English)  
Keyword(1) spectrum sharing  
Keyword(2) interference management  
Keyword(3) self-adaptation  
Keyword(4) cognitive radio  
Keyword(5) game theory  
Keyword(6) potential game  
1st Author's Name I Wayan Mustika  
1st Author's Affiliation Kyoto University (Kyoto Univ.)
2nd Author's Name Koji Yamamoto  
2nd Author's Affiliation Kyoto University (Kyoto Univ.)
3rd Author's Name Hidekazu Murata  
3rd Author's Affiliation Kyoto University (Kyoto Univ.)
4th Author's Name Susumu Yoshida  
4th Author's Affiliation Kyoto University (Kyoto Univ.)
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Date Time 2010-10-29 11:20:00 
Presentation Time 20 
Registration for AN 
Paper # IEICE-AN2010-41 
Volume (vol) IEICE-110 
Number (no) no.253 
Page pp.103-108 
#Pages IEICE-6 
Date of Issue IEICE-AN-2010-10-21 

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