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Paper Abstract and Keywords
Presentation 2015-10-08 11:15
Simulation and Measurement results of BER Performance and Spectrum Distortion under High-order Modulation with the X-band GaN SSPA
Mitsuhiro Nakadai (JAXA), Masahiro Funabashi, Toshihumi Inome (NEC Space) SAT2015-39
Abstract (in Japanese) (See Japanese page) 
(in English) Japan Aerospace Exploration Agency (JAXA) has developed a 20W class X-band Solid State Power Amplifier (SSPA) using gallium nitride (GaN) HEMT technology for high-speed direct data transmission. GaN HEMTs offer greater power density and low power consumption compared to previous generation devices such as GaAs. The non-linearity of its relationship between input and output signals causes BER performance degradation and increases spectrum re-growth. This paper shows that the BER and spectrum distortion simulation results correspond to measurement data within 1dB of Eb/No degradation, 1.19dB of power spectrum difference, respectively
Keyword (in Japanese) (See Japanese page) 
(in English) X-band / Solid State Power Amplifier / GaN HEMT / high-speed communication / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 241, SAT2015-39, pp. 123-127, Oct. 2015.
Paper # SAT2015-39 
Date of Issue 2015-09-30 (SAT) 
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 SAT2015-39

Conference Information
Committee SAT  
Conference Date 2015-10-07 - 2015-10-08 
Place (in Japanese) (See Japanese page) 
Place (in English) Osaka University Nakanoshima Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Satellite Communications, etc. (JC-SAT 2015) 
Paper Information
Registration To SAT 
Conference Code 2015-10-SAT 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Simulation and Measurement results of BER Performance and Spectrum Distortion under High-order Modulation with the X-band GaN SSPA 
Sub Title (in English)  
Keyword(1) X-band  
Keyword(2) Solid State Power Amplifier  
Keyword(3) GaN HEMT  
Keyword(4) high-speed communication  
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1st Author's Name Mitsuhiro Nakadai  
1st Author's Affiliation Japan Aerospace Exploration Agency (JAXA)
2nd Author's Name Masahiro Funabashi  
2nd Author's Affiliation NEC Space Technologies, Ltd. (NEC Space)
3rd Author's Name Toshihumi Inome  
3rd Author's Affiliation NEC Space Technologies, Ltd. (NEC Space)
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Speaker Author-1 
Date Time 2015-10-08 11:15:00 
Presentation Time 25 minutes 
Registration for SAT 
Paper # SAT2015-39 
Volume (vol) vol.115 
Number (no) no.241 
Page pp.123-127 
#Pages 5 
Date of Issue 2015-09-30 (SAT) 

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