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Paper Abstract and Keywords
Presentation 2022-10-14 11:15
A Study on Communication Range in Wi-Fi Backscatter Receiver for Detecting Sensor Node using Single-Carrier Modulation Signal
Yuki Fujiya, Takashi Shiba, Noriharu Suematsu (Tohoku Univ.) EMCJ2022-56 MW2022-102 EST2022-66
Abstract (in Japanese) (See Japanese page) 
(in English) In order to realize smart factory which is appeared in the concepts of Society 5.0 and Industry 4.0, wireless Internet of Things (IoT) becomes a key technology. We have proposed a receiver architecture for Wi-Fi Access Point (AP) that detects Sensor Nodes (SNs) using 5 GHz band Wi-Fi backscatter and self-mixing. In the AP receiver, the received Wi-Fi backscattered RF signal is down-converted by the transmitted (Tx) Wi-Fi signal, i.e., self-mixing, therefore we can successfully replay the pure SN's clock signal which is used for On-Off-Keying (OOK) modulation at the Wi-Fi backscatter SN. In this report, we assumed a single-carrier modulation signal for the transmission signal of the AP, and investigated the Signal-to-Noise Ratio (SNR) with respect to the communication range (delay time of the backscatter signal) between the AP and the SN. And then, we report on the possible communication range.
Keyword (in Japanese) (See Japanese page) 
(in English) Backscatter / Wi-Fi / Signal-to-Noise Ratio / Delay Characteristic / Single-Carrier Modulation / Wireless IoT / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 207, MW2022-102, pp. 108-112, Oct. 2022.
Paper # MW2022-102 
Date of Issue 2022-10-06 (EMCJ, MW, EST) 
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 EMCJ2022-56 MW2022-102 EST2022-66

Conference Information
Committee EMCJ MW EST IEE-EMC  
Conference Date 2022-10-13 - 2022-10-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Akita University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MW 
Conference Code 2022-10-EMCJ-MW-EST-EMC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Communication Range in Wi-Fi Backscatter Receiver for Detecting Sensor Node using Single-Carrier Modulation Signal 
Sub Title (in English)  
Keyword(1) Backscatter  
Keyword(2) Wi-Fi  
Keyword(3) Signal-to-Noise Ratio  
Keyword(4) Delay Characteristic  
Keyword(5) Single-Carrier Modulation  
Keyword(6) Wireless IoT  
Keyword(7)  
Keyword(8)  
1st Author's Name Yuki Fujiya  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Takashi Shiba  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Noriharu Suematsu  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2022-10-14 11:15:00 
Presentation Time 25 minutes 
Registration for MW 
Paper # EMCJ2022-56, MW2022-102, EST2022-66 
Volume (vol) vol.122 
Number (no) no.206(EMCJ), no.207(MW), no.208(EST) 
Page pp.108-112 
#Pages 5 
Date of Issue 2022-10-06 (EMCJ, MW, EST) 

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