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Paper Abstract and Keywords
Presentation 2011-11-18 13:00
Adaptive Amplify-and-Forward Relaying with Efficient Non-orthogonal Frequency Partitioning for Cellular Downlink
Kiichi Tateishi, Kenichi Higuchi (Tokyo Univ. of Science) RCS2011-224
Abstract (in Japanese) (See Japanese page) 
(in English) This paper presents the efficient frequency partitioning schemes for the proposed adaptive amplify-and-forward (AF)-type relaying method in the cellular downlink. 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 avoid unnecessary enhancement of inter-cell interference and bandwidth reduction due to transmission relay. To further enhance the spectrum efficiency when relaying, the frequency used for the relay transmission from the RS to the cell-edge user is reused for the direct transmission from the BS to the cell-center user in the proposed non-orthogonal frequency partitioning method. The computer simulations show that the proposed adaptive AF-type relaying with non-orthogonal frequency partitioning achieves approximately 10% higher average throughput compared to that with orthogonal frequency partitioning, while achieving the same cell-edge user throughput.
Keyword (in Japanese) (See Japanese page) 
(in English) Cellular system / Downlink / Relay transmission / Amplify-and-Forward / Coverage / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 289, RCS2011-224, pp. 209-214, Nov. 2011.
Paper # RCS2011-224 
Date of Issue 2011-11-09 (RCS) 
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF RCS2011-224

Conference Information
Committee AP RCS  
Conference Date 2011-11-16 - 2011-11-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagoya Congress Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Adaptive Antenna, Equalization, Interference Canceller, MIMO, Wireless Communication Systems, etc. 
Paper Information
Registration To RCS 
Conference Code 2011-11-AP-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Adaptive Amplify-and-Forward Relaying with Efficient Non-orthogonal Frequency Partitioning for Cellular Downlink 
Sub Title (in English)  
Keyword(1) Cellular system  
Keyword(2) Downlink  
Keyword(3) Relay transmission  
Keyword(4) Amplify-and-Forward  
Keyword(5) Coverage  
1st Author's Name Kiichi Tateishi  
1st Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
2nd Author's Name Kenichi Higuchi  
2nd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
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Date Time 2011-11-18 13:00:00 
Presentation Time 20 
Registration for RCS 
Paper # IEICE-RCS2011-224 
Volume (vol) IEICE-111 
Number (no) no.289 
Page pp.209-214 
#Pages IEICE-6 
Date of Issue IEICE-RCS-2011-11-09 

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