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Paper Abstract and Keywords
Presentation 2025-03-06 16:45
Multipath Suppression Techniques and Experimental Evaluation of Pre-coded Windowed OFDM Communication for Wireless Harness in Machine
Masataka Kamigaito, Kohei Ohno (Meiji Univ.) CAS2024-115 CS2024-101
Abstract (in Japanese) (See Japanese page) 
(in English) This paper discusses multipath suppression techniques and the communication performance of the pre-coded windowed OFDM system for wireless harness in machine. Radio absorbers are stuck in a metal enclosure to suppress multipath. Pre-coded windowed OFDM, which applies pre-coding and pseudo-noise codes, is used to suppress out-of-band emissions while maintaining communication performance. In this paper, channels are modeled with different box sizes, and the bit error rate (BER) of OFDM was evaluated using software-defined radio (SDR). The results show that multipath is effectively suppressed by sticking radio absorbers in larger metal boxes, and BER performances are improved using pre-coded windowed OFDM. Although the received signal power decreases due to frequency-selective fading, the guard interval of OFDM can be shortened by the multipath suppression technique using radio absorbers.
Keyword (in Japanese) (See Japanese page) 
(in English) Windowed OFDM (Orthogonal Frequency Division Multiplexing) / Out-of-Band Emission (OOBE) / Software Defined Radio (SDR) / Pre-coding / Wireless harness in machine / Radio absorber / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 416, CS2024-101, pp. 59-64, March 2025.
Paper # CS2024-101 
Date of Issue 2025-02-27 (CAS, CS) 
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 CAS2024-115 CS2024-101

Conference Information
Committee CAS CS  
Conference Date 2025-03-06 - 2025-03-07 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network processor, Signal processing and circuits for communications, Wireless LAN / PAN, etc. 
Paper Information
Registration To CS 
Conference Code 2025-03-CAS-CS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Multipath Suppression Techniques and Experimental Evaluation of Pre-coded Windowed OFDM Communication for Wireless Harness in Machine 
Sub Title (in English)  
Keyword(1) Windowed OFDM (Orthogonal Frequency Division Multiplexing)  
Keyword(2) Out-of-Band Emission (OOBE)  
Keyword(3) Software Defined Radio (SDR)  
Keyword(4) Pre-coding  
Keyword(5) Wireless harness in machine  
Keyword(6) Radio absorber  
Keyword(7)  
Keyword(8)  
1st Author's Name Masataka Kamigaito  
1st Author's Affiliation Meiji University (Meiji Univ.)
2nd Author's Name Kohei Ohno  
2nd Author's Affiliation Meiji University (Meiji Univ.)
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Speaker Author-1 
Date Time 2025-03-06 16:45:00 
Presentation Time 25 minutes 
Registration for CS 
Paper # CAS2024-115, CS2024-101 
Volume (vol) vol.124 
Number (no) no.415(CAS), no.416(CS) 
Page pp.59-64 
#Pages 6 
Date of Issue 2025-02-27 (CAS, CS) 

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