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Paper Abstract and Keywords
Presentation 2020-07-21 14:15
Influence of array configurations on communication performance of optical wireless MIMO systems
Tetsuya Nakamura, Chedlia Ben Naila (Nagoya Univ.), Kentaro Kobayashi (Meijo Univ.), Hiraku Okada, Masaaki Katayama (Nagoya Univ.) WBS2020-4 MICT2020-3
Abstract (in Japanese) (See Japanese page) 
(in English) We propose a new 4×4 Optical wireless multiple-input-multiple-output (MIMO-OWC) system design featuring a linear optical array at both the transmitter and the receiver sides for high-speed data rate transmission. Hence, a comparative study is performed to assess the new system performance in contrast to the conventional one applying the square constellation for optical arrays. The bit error rate (BER) performance over a communication range up to 65 m is experimentally evaluated in terms of Frobenius norm and the condition number which are important metrics of the MIMO transmission channel matrix. The results show that the channel matrix shape, which the condition number expresses, dominates BER if Frobenius norm is smaller than 1. Furthermore, the proposed MIMO-OWC system employing linear optical arrays shows to be less susceptible to the calibration error rather than the conventional square constellation. As the result of the experiments, we demonstrate BER<10^−4 for 100Mbps in 65m communication range.
Keyword (in Japanese) (See Japanese page) 
(in English) Optical wireless communications / OWC / optical wireless MIMO / array constellations / Indoor wireless communications / Long distance communications / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 119, WBS2020-4, pp. 13-18, July 2020.
Paper # WBS2020-4 
Date of Issue 2020-07-14 (WBS, MICT) 
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)
Download PDF WBS2020-4 MICT2020-3

Conference Information
Committee MICT WBS  
Conference Date 2020-07-21 - 2020-07-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wideband System, Healthcare and Medical Information Communication Technologies, etc. 
Paper Information
Registration To WBS 
Conference Code 2020-07-MICT-WBS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Influence of array configurations on communication performance of optical wireless MIMO systems 
Sub Title (in English)  
Keyword(1) Optical wireless communications  
Keyword(2) OWC  
Keyword(3) optical wireless MIMO  
Keyword(4) array constellations  
Keyword(5) Indoor wireless communications  
Keyword(6) Long distance communications  
1st Author's Name Tetsuya Nakamura  
1st Author's Affiliation Nagoya University (Nagoya Univ.)
2nd Author's Name Chedlia Ben Naila  
2nd Author's Affiliation Nagoya University (Nagoya Univ.)
3rd Author's Name Kentaro Kobayashi  
3rd Author's Affiliation Meijo University (Meijo Univ.)
4th Author's Name Hiraku Okada  
4th Author's Affiliation Nagoya University (Nagoya Univ.)
5th Author's Name Masaaki Katayama  
5th Author's Affiliation Nagoya University (Nagoya Univ.)
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Date Time 2020-07-21 14:15:00 
Presentation Time 25 
Registration for WBS 
Paper # IEICE-WBS2020-4,IEICE-MICT2020-3 
Volume (vol) IEICE-120 
Number (no) no.119(WBS), no.120(MICT) 
Page pp.13-18 
#Pages IEICE-6 
Date of Issue IEICE-WBS-2020-07-14,IEICE-MICT-2020-07-14 

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