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Paper Abstract and Keywords
Presentation 2012-11-16 13:25
A Study on Feedback Information for Coordinated Beamforming Multi-Cell Coordination for LTE-Advanced System
Atsuhisa Inakoshi, Takahiro Saiwai, Chiharu Yamazaki, Kugo Morita, Fangwei Tong, Tetsuya Yuda (KYOCERA Co.) RCS2012-178
Abstract (in Japanese) (See Japanese page) 
(in English) Coordinated Multi Point (CoMP) has been standardized as an important factor of LTE-Advanced in 3rd Generation Partnership Project (3GPP) in order to improve cell-edge throughput performance. Coordinated Beamforming CoMP (CB CoMP), where a strongly interfering cell coordinates its transmit precoder so as to minimize the interference to CoMP User Equipment (CoMP UE), has been studied as a candidate of CoMP scheme, and Best Companion Precoding Matrix Indicator (BCI) was proposed as a Channel State Information (CSI) feedback from CoMP UE for CB CoMP. However, system performance might be deteriorated if the feedbacked BCI is not effectively used at the interfering cell. In this paper, we propose multiple BCI feedback in order to improve system performance by increasing degree of freedom of scheduling at the interfering cell. We also carry out the theoretical analysis and the system level simulation to evaluate the throughput performance with the proposed feedback and the simulation results confirm the effectiveness of the proposal.
Keyword (in Japanese) (See Japanese page) 
(in English) LTE-Advanced / CoMP / Coordinated Beamforming / Feedback / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 286, RCS2012-178, pp. 103-108, Nov. 2012.
Paper # RCS2012-178 
Date of Issue 2012-11-08 (RCS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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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 AP RCS  
Conference Date 2012-11-14 - 2012-11-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo Denki University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To RCS 
Conference Code 2012-11-AP-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Feedback Information for Coordinated Beamforming Multi-Cell Coordination for LTE-Advanced System 
Sub Title (in English)  
Keyword(1) LTE-Advanced  
Keyword(2) CoMP  
Keyword(3) Coordinated Beamforming  
Keyword(4) Feedback  
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1st Author's Name Atsuhisa Inakoshi  
1st Author's Affiliation KYOCERA Corporation (KYOCERA Co.)
2nd Author's Name Takahiro Saiwai  
2nd Author's Affiliation KYOCERA Corporation (KYOCERA Co.)
3rd Author's Name Chiharu Yamazaki  
3rd Author's Affiliation KYOCERA Corporation (KYOCERA Co.)
4th Author's Name Kugo Morita  
4th Author's Affiliation KYOCERA Corporation (KYOCERA Co.)
5th Author's Name Fangwei Tong  
5th Author's Affiliation KYOCERA Corporation (KYOCERA Co.)
6th Author's Name Tetsuya Yuda  
6th Author's Affiliation KYOCERA Corporation (KYOCERA Co.)
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Speaker
Date Time 2012-11-16 13:25:00 
Presentation Time 25 
Registration for RCS 
Paper # IEICE-RCS2012-178 
Volume (vol) IEICE-112 
Number (no) no.286 
Page pp.103-108 
#Pages IEICE-6 
Date of Issue IEICE-RCS-2012-11-08 


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