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Paper Abstract and Keywords
Presentation 2016-01-22 13:20
QZSS Short Message SS-CDMA Communication: Consideration of Fairness in Random Access Control Scheme with Reservation Channel
Kei Ohya, Tomohide Takahashi, Suguru Kameda (Tohoku Univ.), Hiroshi Oguma (NIT, Toyama College), Akinori Taira, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) SR2015-85
Abstract (in Japanese) (See Japanese page) 
(in English) The Quasi-Zenith Satellite System (QZSS) is expected to provide a high accurate positioning service and allows two-way communication which includes terminal location and short messages. For realizing the random access control scheme of the QZSS short message communication, we have proposed Flag Method and reservation channel (R-Ch) scheme. However, there is unfairness between the number of collisions and the time required to accommodate a mobile terminal. In this paper, we propose an efficient random access control scheme to improve the fairness among the mobile terminals. The proposed scheme can reduce the accommodation time to achieve the complementary cumulative distribution function (CCDF) of $10^{-5}$ by about 26$%$ at the expense of about 3$%$ of the average accommodation time.
Keyword (in Japanese) (See Japanese page) 
(in English) Quasi-Zenith Satellite System (QZSS) / satellite communication / short message / spread spectrum code division multiple access (SS-CDMA) / random access control / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 411, SR2015-85, pp. 87-94, Jan. 2016.
Paper # SR2015-85 
Date of Issue 2016-01-14 (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)
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Conference Information
Committee SR  
Conference Date 2016-01-21 - 2016-01-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Fukue-bunka-kaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Cognitive wireless network, Cross layer wireless technology, SDN, etc. 
Paper Information
Registration To SR 
Conference Code 2016-01-SR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) QZSS Short Message SS-CDMA Communication: Consideration of Fairness in Random Access Control Scheme with Reservation Channel 
Sub Title (in English)  
Keyword(1) Quasi-Zenith Satellite System (QZSS)  
Keyword(2) satellite communication  
Keyword(3) short message  
Keyword(4) spread spectrum code division multiple access (SS-CDMA)  
Keyword(5) random access control  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Kei Ohya  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Tomohide Takahashi  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Suguru Kameda  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
4th Author's Name Hiroshi Oguma  
4th Author's Affiliation National Institute of Technology, Toyama College (NIT, Toyama College)
5th Author's Name Akinori Taira  
5th Author's Affiliation Tohoku University (Tohoku Univ.)
6th Author's Name Noriharu Suematsu  
6th Author's Affiliation Tohoku University (Tohoku Univ.)
7th Author's Name Tadashi Takagi  
7th Author's Affiliation Tohoku University (Tohoku Univ.)
8th Author's Name Kazuo Tsubouchi  
8th Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2016-01-22 13:20:00 
Presentation Time 25 minutes 
Registration for SR 
Paper # SR2015-85 
Volume (vol) vol.115 
Number (no) no.411 
Page pp.87-94 
#Pages 8 
Date of Issue 2016-01-14 (SR) 

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