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Paper Abstract and Keywords
Presentation 2016-03-02 11:15
An Overhead-Reducing Channel Estimation Sequences Design for Millimeter-Wave Short-Range MIMO Wireless Communication Systems
Doohwan Lee, Ken Hiraga, Kazumitsu Sakamoto, Tadao Nakagawa (NTT) SRW2015-75
Abstract (in Japanese) (See Japanese page) 
(in English) The number of necessary channel estimation sequences (CES) slots linearly increase as the number of transmission antennas when the conventional CES allocation methods are used. This causes significant overhead when the number of antennas increases and the data rate enhancement by applying MIMO technology is limited. To address the problem this paper presents a new overhead reducing CES design for millimeter-wave short-range MIMO wireless communication systems. In the proposed design, an identical CES is allocated to multiple antennas with cyclic shifts. By setting the amount of the cyclic shift larger than the maximum length of the channel impulse response, MIMO channel estimation can be done without aliasing among different channels. Furthermore, a simple novel time-domain approach of channel estimation using the characteristics of the circulant matrix enables low-burden channel estimation. The performance of the proposed method is evaluated by using experimentally obtained short-range MIMO channel environment.
Keyword (in Japanese) (See Japanese page) 
(in English) short-range MIMO wireless communication / channel estimation sequences / millimeter-wave / / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 474, SRW2015-75, pp. 29-34, March 2016.
Paper # SRW2015-75 
Date of Issue 2016-02-24 (SRW) 
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. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee RCS CCS SR SRW  
Conference Date 2016-03-02 - 2016-03-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile Communication Workshop 
Paper Information
Registration To SRW 
Conference Code 2016-03-RCS-CCS-SR-SRW 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An Overhead-Reducing Channel Estimation Sequences Design for Millimeter-Wave Short-Range MIMO Wireless Communication Systems 
Sub Title (in English)  
Keyword(1) short-range MIMO wireless communication  
Keyword(2) channel estimation sequences  
Keyword(3) millimeter-wave  
1st Author's Name Doohwan Lee  
1st Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
2nd Author's Name Ken Hiraga  
2nd Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
3rd Author's Name Kazumitsu Sakamoto  
3rd Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
4th Author's Name Tadao Nakagawa  
4th Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
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Date Time 2016-03-02 11:15:00 
Presentation Time 25 
Registration for SRW 
Paper # IEICE-SRW2015-75 
Volume (vol) IEICE-115 
Number (no) no.474 
Page pp.29-34 
#Pages IEICE-6 
Date of Issue IEICE-SRW-2016-02-24 

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