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Paper Abstract and Keywords
Presentation 2009-06-25 14:00
Analysis of Non-linear Distortion by Power Amplifier in 2.4GHz Wireless Communication System
Taewoo Lee, Hideki Ochiai (Yokohama National Univ.) RCS2009-30
Abstract (in Japanese) (See Japanese page) 
(in English) Orthogonal frequency division multiplexing (OFDM) has several advantages such as high bandwidth efficiency and strong immunity against frequency selective fading. Recently, OFDM is adopted in various communication system standards such as IEEE802.11x and WiMAX. However, since it is a multi-carrier signal, the resulting signal has a high peak-to-average power ratio (PAPR). In order to enhance the efficiency of power amplifier (PA), it is necessary to reduce back off of the input signal. However, if one reduces input back off of the signal with high PAPR, it suffers from nonlinear amplification, and this may result in performance degradation in terms of bit error rate (BER) and cause adjacent channel interference. To tackle these issues, it is necessary to understand the
characteristic of actual PA with modulated input signals. This paper reports the experimental results using real PA operated at 2.4 GHz with single and multi-carrier signal inputs.
Keyword (in Japanese) (See Japanese page) 
(in English) Power Amplifier / Non-linear Distortion / OFDM / Single Carrier / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 105, RCS2009-30, pp. 17-20, June 2009.
Paper # RCS2009-30 
Date of Issue 2009-06-18 (RCS) 
ISSN Print edition: ISSN 0913-5685    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 RCS2009-30

Conference Information
Committee RCS  
Conference Date 2009-06-25 - 2009-06-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagoya University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) First Presentation in IEICE Technical Committee, Railroad Communications, Inter-Vehicle Communications, Road to Vehicle Communications, Resource Control, Scheduling, Wireless Communication Systems, etc. 
Paper Information
Registration To RCS 
Conference Code 2009-06-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Analysis of Non-linear Distortion by Power Amplifier in 2.4GHz Wireless Communication System 
Sub Title (in English)  
Keyword(1) Power Amplifier  
Keyword(2) Non-linear Distortion  
Keyword(3) OFDM  
Keyword(4) Single Carrier  
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1st Author's Name Taewoo Lee  
1st Author's Affiliation Yokohama National University (Yokohama National Univ.)
2nd Author's Name Hideki Ochiai  
2nd Author's Affiliation Yokohama National University (Yokohama National Univ.)
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Speaker Author-1 
Date Time 2009-06-25 14:00:00 
Presentation Time 20 minutes 
Registration for RCS 
Paper # RCS2009-30 
Volume (vol) vol.109 
Number (no) no.105 
Page pp.17-20 
#Pages 4 
Date of Issue 2009-06-18 (RCS) 

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