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Paper Abstract and Keywords
Presentation 2008-08-27 10:50
A Study on the Feedback Amount Reduction of Frequency Offset and Transmit Weight in a Virtual MIMO System
Yuta Saito, Yasutaka Ogawa, Toshihiko Nishimura, Takeo Ohgane (Hokkaido Univ.) RCS2008-57
Abstract (in Japanese) (See Japanese page) 
(in English) A higher frequency band is considered to be used for future mobile communications. However, reliable transmission may not be possible in an uplink channel because of limited transmit power of terminals.
We can improve uplink transmission performance using a virtual antenna array which is formed by multiple terminals cooperating with each other. However, in this system, the terminals need information about transmit weight, frequency offset, and transmit power ratio from a base station. The feedback of the information from a base station limits downlink transmission. In this paper, we propose a codebook for transmit weight, and quantization of frequency offset and transmit power ratio. We examine the impact of them on the bit error rate performance.
Keyword (in Japanese) (See Japanese page) 
(in English) Cooperative communication / Virtual MIMO System / Eigenbeam-space division multiplexing / Amount of feedback infomation / Codebook / Frequency offset / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 188, RCS2008-57, pp. 25-30, Aug. 2008.
Paper # RCS2008-57 
Date of Issue 2008-08-20 (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. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF RCS2008-57

Conference Information
Committee RCS  
Conference Date 2008-08-27 - 2008-08-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To RCS 
Conference Code 2008-08-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on the Feedback Amount Reduction of Frequency Offset and Transmit Weight in a Virtual MIMO System 
Sub Title (in English)  
Keyword(1) Cooperative communication  
Keyword(2) Virtual MIMO System  
Keyword(3) Eigenbeam-space division multiplexing  
Keyword(4) Amount of feedback infomation  
Keyword(5) Codebook  
Keyword(6) Frequency offset  
Keyword(7)  
Keyword(8)  
1st Author's Name Yuta Saito  
1st Author's Affiliation Hokkaido Univercity (Hokkaido Univ.)
2nd Author's Name Yasutaka Ogawa  
2nd Author's Affiliation Hokkaido Univercity (Hokkaido Univ.)
3rd Author's Name Toshihiko Nishimura  
3rd Author's Affiliation Hokkaido Univercity (Hokkaido Univ.)
4th Author's Name Takeo Ohgane  
4th Author's Affiliation Hokkaido Univercity (Hokkaido Univ.)
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Speaker Author-1 
Date Time 2008-08-27 10:50:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2008-57 
Volume (vol) vol.108 
Number (no) no.188 
Page pp.25-30 
#Pages 6 
Date of Issue 2008-08-20 (RCS) 

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