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Paper Abstract and Keywords
Presentation 2017-02-16 14:25
4-value Multiplexing Angular Momentum Communication Using Circular Loop Antennas
Akira Saitou, Hiroto Otuka, Ryohei Yamagisi, Ryo Ishikawa, Kazuhiko Honjo (UEC) AP2016-162
Abstract (in Japanese) (See Japanese page) 
(in English) A four-value multiplexing orbital angular momentum (OAM) communication scheme is proposed using loop antenna arrays. Considering the radiated fields of loop antennas, MIMO communication without signal processing is shown to be realized by controlling the current distribution. Through numerical analysis on the current with the generalized Z-matrices, a single expansion-coefficient for the current distribution is shown to be dominant, where the loop perimeter is approximately the integral multiple of the wavelength. A loop antenna with a reflector improves the uniqueness. Arrays of the antennas are shown to be effective for short-range OAM communication. For long-range OAM communication, a configuration to collimate the radiated fields with paraboloids is proposed and analyzed, which is shown to be effective for long-range OAM communication. The measured transmission isolation is more than 12 dB for a 1-cm short-range OAM communication, and the simulated transmission isolation is more than 10.9 dB for 1-m long-range communication.
Keyword (in Japanese) (See Japanese page) 
(in English) Orbital Angular Momentum / Magnetic Quantum number / MIMO / Multiplexing / Loop Antenna / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 454, AP2016-162, pp. 33-38, Feb. 2017.
Paper # AP2016-162 
Date of Issue 2017-02-09 (AP) 
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 AP  
Conference Date 2017-02-16 - 2017-02-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Tochigiken-sougou-bunnka Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Industrial Session, Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2017-02-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) 4-value Multiplexing Angular Momentum Communication Using Circular Loop Antennas 
Sub Title (in English)  
Keyword(1) Orbital Angular Momentum  
Keyword(2) Magnetic Quantum number  
Keyword(3) MIMO  
Keyword(4) Multiplexing  
Keyword(5) Loop Antenna  
1st Author's Name Akira Saitou  
1st Author's Affiliation The University of Electro-Communications (UEC)
2nd Author's Name Hiroto Otuka  
2nd Author's Affiliation The University of Electro-Communications (UEC)
3rd Author's Name Ryohei Yamagisi  
3rd Author's Affiliation The University of Electro-Communications (UEC)
4th Author's Name Ryo Ishikawa  
4th Author's Affiliation The University of Electro-Communications (UEC)
5th Author's Name Kazuhiko Honjo  
5th Author's Affiliation The University of Electro-Communications (UEC)
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Date Time 2017-02-16 14:25:00 
Presentation Time 25 
Registration for AP 
Paper # IEICE-AP2016-162 
Volume (vol) IEICE-116 
Number (no) no.454 
Page pp.33-38 
#Pages IEICE-6 
Date of Issue IEICE-AP-2017-02-09 

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