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Paper Abstract and Keywords
Presentation 2016-05-17 14:00
[Poster Presentation] Toward Realization of a New Wireless Transmission Technology: Orbital Angular Momentum (OAM) Multiplexing
Doohwan Lee, Hirofumi Sasaki, Hiroyuki Fukumoto, Tadao Nakagawa (NTT) SR2016-16 SRW2016-13
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, wireless communication using Orbital Angular Momentum (OAM) has drawn much attention as an emerging candidate of 5G/B5G technology. OAM is a physical property of electro-magnetic waves that are characterized by a helical phase front in the propagation direction. Since the characteristic can be used to create multiple orthogonal channels, wireless communication using OAM can increase radio spectrum efficiency and expand the capacity of the scarce radio spectrum. To explore these possibilities, in the work reported in this paper we investigated the performance of modulation/demodulation and multiplexing/demultiplexing of the technology. This work enabled us to clarify the effect of mode-dependent power attenuation and consider a simple method for pre-compensating transmission power. In doing so we generated OAM signals by using an uniform circular array (UCA) of omnidirectional antennas. Also, this paper studies two methods to address the OAM beam divergence by using the property of dielectric lens antenna and by exploiting the property of Gaussian beam that is generated by multiple UCAs. Using the computer simulations the effectiveness of the proposed two methods are validated.
Keyword (in Japanese) (See Japanese page) 
(in English) / / / / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 29, SR2016-16, pp. 57-58, May 2016.
Paper # SR2016-16 
Date of Issue 2016-05-09 (SR, 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 SR SRW  
Conference Date 2016-05-16 - 2016-05-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Hotel Lasaretti, Oulu, Finland 
Topics (in Japanese) (See Japanese page) 
Topics (in English) SmartCom2016 
Paper Information
Registration To SR 
Conference Code 2016-05-SR-SRW 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Toward Realization of a New Wireless Transmission Technology: Orbital Angular Momentum (OAM) Multiplexing 
Sub Title (in English)  
1st Author's Name Doohwan Lee  
1st Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
2nd Author's Name Hirofumi Sasaki  
2nd Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
3rd Author's Name Hiroyuki Fukumoto  
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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Speaker Author-1 
Date Time 2016-05-17 14:00:00 
Presentation Time 100 minutes 
Registration for SR 
Paper # SR2016-16, SRW2016-13 
Volume (vol) vol.116 
Number (no) no.29(SR), no.30(SRW) 
Page pp.57-58(SR), pp.45-46(SRW) 
Date of Issue 2016-05-09 (SR, SRW) 

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