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Paper Abstract and Keywords
Presentation 2018-10-31 13:25
[Poster Presentation] Efficient channel allocation for Citizens broadband radio service/spectrum access system
Ryo Sato, Kenta Umebayashi (TUAT), K. B. Shashika Manosha (UoO) SR2018-89
Abstract (in Japanese) (See Japanese page) 
(in English) Citizens Broadband Radio Service (CBRS) system is the three-tier spectrum sharing systems which consists of incumbent user and Priority Access License (PAL) networks and General Authorized Access (GAA) networks.
We investigate an efficient channel allocation to PAL networks and GAA networks for CBRS system.
Specifically, we consider a channel re-allocation problem. In the first time slot, channels are allocated to the PAL and GAA networks by considering effect of interference.
In the next time slot, a few GAA networks left and a few new GAA networks come to CBRS system.
The channel re-allocation problem corresponds to a channel allocation in the second time slot and in this problem, it is preferred to consider not only the effect of interference but also the number of changes about channel allocations to the existing GAA and PAL networks.
For this problem, we set an optimization problem as minimizing the number of changing channels while several interference constraints.
In addition, we investigate three interference constraints, i.e. individual, mean, and maximum interference constraints, at GAA networks.
Numerical evaluation reveals that maximum interference constraint can achieve smaller number of changing channels while relatively low interference level.
In addition, this constraint can achieve the highest probability to achieve a feasible solution in the channel re-allocation problem.
Keyword (in Japanese) (See Japanese page) 
(in English) Citizens Broadband Radio Service / Spectrum Access System / Channel allocation / Integer linear program / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 274, SR2018-89, pp. 83-84, Oct. 2018.
Paper # SR2018-89 
Date of Issue 2018-10-23 (SR) 
ISSN 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)
Download PDF SR2018-89

Conference Information
Committee SR  
Conference Date 2018-10-30 - 2018-10-31 
Place (in Japanese) (See Japanese page) 
Place (in English) Mandarin Hotel, Bangkok, Thailand 
Topics (in Japanese) (See Japanese page) 
Topics (in English) SmartCom2018 
Paper Information
Registration To SR 
Conference Code 2018-10-SR 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Efficient channel allocation for Citizens broadband radio service/spectrum access system 
Sub Title (in English)  
Keyword(1) Citizens Broadband Radio Service  
Keyword(2) Spectrum Access System  
Keyword(3) Channel allocation  
Keyword(4) Integer linear program  
1st Author's Name Ryo Sato  
1st Author's Affiliation Tokyo University of Agriculture and Technology (TUAT)
2nd Author's Name Kenta Umebayashi  
2nd Author's Affiliation Tokyo University of Agriculture and Technology (TUAT)
3rd Author's Name K. B. Shashika Manosha  
3rd Author's Affiliation Centre for Wireless Communications, University of Oulu, Finland (UoO)
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Speaker Author-1 
Date Time 2018-10-31 13:25:00 
Presentation Time 60 minutes 
Registration for SR 
Paper # SR2018-89 
Volume (vol) vol.118 
Number (no) no.274 
Page pp.83-84 
Date of Issue 2018-10-23 (SR) 

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