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Paper Abstract and Keywords
Presentation 2023-12-22 10:55
Experimental Evaluation of the Pre-coded Windowed OFDM using SDR under multipath environment
Masataka Kamigaito, Hirochika Tsujimoto, Kohei Ohno (Meiji Univ.) WBS2023-50 ITS2023-33 RCC2023-44
Abstract (in Japanese) (See Japanese page) 
(in English) This paper discusses a Windowed Orthogonal Frequency Division Multiplexing (OFDM) system that can suppress out-of-band emission (OOBE) by multiplying a window function in time domain. In this scheme, the Bit Error Rate (BER) performance is degraded since the effective symbol is warped by the window function. Therefore, the pre-coding using the Walsh-Hadamard transform and the pseudo-random noise code multiplication are applied in the modulation and demodulation of the Windowed OFDM system to improve the performance under frequency selective fading environments. In this paper, performances of the proposed system are evaluated by the experiment in the metal enclosure box using a Software Defined Radio (SDR) device. The results show that the BER performances of the Pre-coded Windowed OFDM are improved to adopt the proposed pre-coding technique. In addition, improvement of the BER is also confirmed in the box, assuming the multipath-poor environment made with radiation-absorbent material.
Keyword (in Japanese) (See Japanese page) 
(in English) Windowed Orthogonal Frequency Division Multiplexing (OFDM) / Out-of-Band Emission (OOBE) / Software Defined Radio (SDR) / window function / pre-coding / cognitive radio / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 316, RCC2023-44, pp. 111-116, Dec. 2023.
Paper # RCC2023-44 
Date of Issue 2023-12-14 (WBS, ITS, RCC) 
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 WBS2023-50 ITS2023-33 RCC2023-44

Conference Information
Committee ITS WBS RCC  
Conference Date 2023-12-21 - 2023-12-22 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To RCC 
Conference Code 2023-12-ITS-WBS-RCC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Experimental Evaluation of the Pre-coded Windowed OFDM using SDR under multipath environment 
Sub Title (in English)  
Keyword(1) Windowed Orthogonal Frequency Division Multiplexing (OFDM)  
Keyword(2) Out-of-Band Emission (OOBE)  
Keyword(3) Software Defined Radio (SDR)  
Keyword(4) window function  
Keyword(5) pre-coding  
Keyword(6) cognitive radio  
Keyword(7)  
Keyword(8)  
1st Author's Name Masataka Kamigaito  
1st Author's Affiliation Meiji University (Meiji Univ.)
2nd Author's Name Hirochika Tsujimoto  
2nd Author's Affiliation Meiji University (Meiji Univ.)
3rd Author's Name Kohei Ohno  
3rd Author's Affiliation Meiji University (Meiji Univ.)
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Speaker Author-1 
Date Time 2023-12-22 10:55:00 
Presentation Time 25 minutes 
Registration for RCC 
Paper # WBS2023-50, ITS2023-33, RCC2023-44 
Volume (vol) vol.123 
Number (no) no.314(WBS), no.315(ITS), no.316(RCC) 
Page pp.111-116 
#Pages 6 
Date of Issue 2023-12-14 (WBS, ITS, RCC) 

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