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Presentation 2022-01-27 16:05
[Invited Talk] Wideband Load Modulated GaN Power Amplifiers for Wireless Base-Stations
Shuichi Sakata, Yuji Komatsuzaki, Kento Saiki, Koji Yamanaka, Masaomi Tsuru (Mitsubishi Electric) ED2021-68 MW2021-110
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, 5G commercial services which have features of high speed, large capacity and multi-connectivity have rolled out, and the research and development on Beyond 5G/6G were actively done throughout the world. In the wireless base-station of those systems, the power amplifier for transmitter is necessary component, and its power consumption occupy the large portion of the over-all power consumption of the base-stations, and thus the technologies which increase the efficiency of the power amplifier and reduced its power consumption have been developed with much effort. In addition, 5G base-stations employed the massive-MIMO antenna, and the power amplifier in the 5G base-station required to be much compact in order to fit in the antenna array. Moreover, in the next generation, power amplifiers are required to be broadband in order to amplify the wideband signal with less distortion and enable the flexible operation of the base stations. In our company, we have been developing wideband GaN load modulated power amplifier for wireless base-station to satisfy the requirement in every generation. Here we will report on the develop technologies on that
Keyword (in Japanese) (See Japanese page) 
(in English) 5G / Beyond 5G / 6G / Power Amplifier / GaN / Doherty / Load Modulation /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 361, MW2021-110, pp. 32-37, Jan. 2022.
Paper # MW2021-110 
Date of Issue 2022-01-20 (ED, MW) 
ISSN Online edition: ISSN 2432-6380
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)
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Conference Information
Committee ED MW  
Conference Date 2022-01-27 - 2022-01-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MW 
Conference Code 2022-01-ED-MW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Wideband Load Modulated GaN Power Amplifiers for Wireless Base-Stations 
Sub Title (in English)  
Keyword(1) 5G  
Keyword(2) Beyond 5G  
Keyword(3) 6G  
Keyword(4) Power Amplifier  
Keyword(5) GaN  
Keyword(6) Doherty  
Keyword(7) Load Modulation  
1st Author's Name Shuichi Sakata  
1st Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
2nd Author's Name Yuji Komatsuzaki  
2nd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
3rd Author's Name Kento Saiki  
3rd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
4th Author's Name Koji Yamanaka  
4th Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
5th Author's Name Masaomi Tsuru  
5th Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
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Speaker Author-1 
Date Time 2022-01-27 16:05:00 
Presentation Time 50 minutes 
Registration for MW 
Paper # ED2021-68, MW2021-110 
Volume (vol) vol.121 
Number (no) no.360(ED), no.361(MW) 
Page pp.32-37 
Date of Issue 2022-01-20 (ED, MW) 

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