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Paper Abstract and Keywords
Presentation 2022-03-03 10:15
Applicability of Phase Modulation Scheme for Wireless Power Transmission System to Simultaneously Deliver Power and Signals
Takuro Ito, Masashi Nakatsugawa (NIT, Hakodate College), Shinji Abe, Takashi Ohira (TUT) MW2021-114
Abstract (in Japanese) (See Japanese page) 
(in English) IoT and 5G systems are being introduced in the world. Wireless power transmission with information can further expand their application areas. Feasibility of a WPT system that uses a chirp signal with its frequency changing from 26.0 to 27.0 MHz was investigated. When the chirp signal was quadrature phase modulated and demodulated with the chirp signal, the correlation value for a ±90° difference normalized to in-phase was 0.076% and -1 for the reverse phase. In the case of demodulation using CW, the normalized correlation for the ±90° difference was 8.0% of in-phase value and -1 for the reversed phase. A difference of more than 10 times from the in-phase value ensures that the signals could be discriminated. In addition, it was confirmed that CW was usable to demodulate the signals with some phase deviations. The results validated the use of proposed modulation and demodulation schemes.
Keyword (in Japanese) (See Japanese page) 
(in English) wireless power transmission / wireless communication / chirp signal / continuous wave / QPSK / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 400, MW2021-114, pp. 18-23, March 2022.
Paper # MW2021-114 
Date of Issue 2022-02-24 (MW) 
ISSN 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 MW2021-114

Conference Information
Committee MW  
Conference Date 2022-03-03 - 2022-03-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Microwave, etc. 
Paper Information
Registration To MW 
Conference Code 2022-03-MW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Applicability of Phase Modulation Scheme for Wireless Power Transmission System to Simultaneously Deliver Power and Signals 
Sub Title (in English)  
Keyword(1) wireless power transmission  
Keyword(2) wireless communication  
Keyword(3) chirp signal  
Keyword(4) continuous wave  
Keyword(5) QPSK  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Takuro Ito  
1st Author's Affiliation National Institute of Technology, Hakodate College (NIT, Hakodate College)
2nd Author's Name Masashi Nakatsugawa  
2nd Author's Affiliation National Institute of Technology, Hakodate College (NIT, Hakodate College)
3rd Author's Name Shinji Abe  
3rd Author's Affiliation Toyohashi University of Technology (TUT)
4th Author's Name Takashi Ohira  
4th Author's Affiliation Toyohashi University of Technology (TUT)
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Speaker Author-1 
Date Time 2022-03-03 10:15:00 
Presentation Time 20 minutes 
Registration for MW 
Paper # MW2021-114 
Volume (vol) vol.121 
Number (no) no.400 
Page pp.18-23 
#Pages 6 
Date of Issue 2022-02-24 (MW) 

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