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Paper Abstract and Keywords
Presentation 2010-12-17 11:10
Performance Evaluation of Adaptive Amplify-and-Forward Relaying with Fractional Frequency Reuse in Multiuser Cellular Uplink
Shinya Okazawa, Kiichi Tateishi, Kenichi Higuchi (Tokyo Univ. of Science) RCS2010-186
Abstract (in Japanese) (See Japanese page) 
(in English) This paper presents an adaptive amplify-and-forward (AF)-type relaying method with fractional frequency reuse (FFR) for the multiuser cellular uplink. The adaptive AF relaying method adaptively selects the active relay stations (RSs) based on the path loss between each mobile terminal and the base station (BS) and that between each RS in order to mitigate the enhancement of inter-cell interference due to the AF-type relaying. Meanwhile, the FFR restricts the assigned bandwidth for the cell-edge terminal so that the amount of the average inter-cell interference is reduced. However, the fractional frequency reuse reduces the multiuser diversity gain when the proportional fair (PF) scheduling is used. The computer simulations show that although the FFR is effective in the cell-edge user throughput enhancement for the case without relaying or the conventional AF relaying, it is not effective for the proposed adaptive AF relaying since the proposed method can solely increase the received signal power of cell-edge users without significant increase in inter-cell interference. It is shown that the combination of the adaptive AF relaying and one cell frequency reuse is superior to the combination of the FFR and no relay or conventional AF relaying from the viewpoint of average user and cell-edge user throughputs.
Keyword (in Japanese) (See Japanese page) 
(in English) Cellular system / Relay transmission / Amplify-and-Forward / Fractional frequency reuse / Proportional fair scheduling / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 340, RCS2010-186, pp. 163-168, Dec. 2010.
Paper # RCS2010-186 
Date of Issue 2010-12-09 (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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF RCS2010-186

Conference Information
Committee NS RCS  
Conference Date 2010-12-16 - 2010-12-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Okayama Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile Ad-hoc Network, Ubiquitous Network, Wireless Communication, security, Multi-Access Network 
Paper Information
Registration To RCS 
Conference Code 2010-12-NS-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Performance Evaluation of Adaptive Amplify-and-Forward Relaying with Fractional Frequency Reuse in Multiuser Cellular Uplink 
Sub Title (in English)  
Keyword(1) Cellular system  
Keyword(2) Relay transmission  
Keyword(3) Amplify-and-Forward  
Keyword(4) Fractional frequency reuse  
Keyword(5) Proportional fair scheduling  
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1st Author's Name Shinya Okazawa  
1st Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
2nd Author's Name Kiichi Tateishi  
2nd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
3rd Author's Name Kenichi Higuchi  
3rd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
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Speaker
Date Time 2010-12-17 11:10:00 
Presentation Time 20 
Registration for RCS 
Paper # IEICE-RCS2010-186 
Volume (vol) IEICE-110 
Number (no) no.340 
Page pp.163-168 
#Pages IEICE-6 
Date of Issue IEICE-RCS-2010-12-09 


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