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Paper Abstract and Keywords
Presentation 2018-08-09 17:10
[Special Talk] Digital RF Technology for On-Borad Transceivers in Next Generation High Throughput Satellite (HTS)
Noriharu Suematsu (Tohoku Univ.) SAT2018-38 RCS2018-141
Abstract (in Japanese) (See Japanese page) 
(in English) Digital RF technology has been developed and applied to below 6GHz wireless applications. By replacing the IC die consumptive RF/analog circuit blocks by digital signal processing/circuits, digital rich/small transceivers can be realized. Since this technology is based on the Nyquist theory, the operational frequency of the circuit is limited by the Nyquist frequency (= 1/2 of sampling clock frequency), limiting the operational RF frequency range of existing digital RF technology to below 6 GHz. In this presentation, direct digital RF technology is proposed which utilizes the higher-order Nyquist Zones. The fabricated results of a 28 GHz-band receiver using a 1 GHz sampling clock will be shown. Since the combined transceiver architecture does not require an RF local oscillator and up/down converters, it is suitable for microwave/MMW multi-antenna systems such as Digital Beam Forming (DBF)/digital channelizer system for next generation HTS on-board transceiver.
Keyword (in Japanese) (See Japanese page) 
(in English) Digital RF / Undersampling / Microwaves / Millimeter-waves / CMOS / RFIC / Satellite communication / Transceivers  
Reference Info. IEICE Tech. Rep., vol. 118, no. 176, SAT2018-38, pp. 49-54, Aug. 2018.
Paper # SAT2018-38 
Date of Issue 2018-08-02 (SAT, RCS) 
ISSN Online edition: ISSN 2432-6380
Copyright
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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 SAT2018-38 RCS2018-141

Conference Information
Committee SAT RCS  
Conference Date 2018-08-09 - 2018-08-10 
Place (in Japanese) (See Japanese page) 
Place (in English) Iwate University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wireless Communications, etc. 
Paper Information
Registration To SAT 
Conference Code 2018-08-SAT-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Digital RF Technology for On-Borad Transceivers in Next Generation High Throughput Satellite (HTS) 
Sub Title (in English)  
Keyword(1) Digital RF  
Keyword(2) Undersampling  
Keyword(3) Microwaves  
Keyword(4) Millimeter-waves  
Keyword(5) CMOS  
Keyword(6) RFIC  
Keyword(7) Satellite communication  
Keyword(8) Transceivers  
1st Author's Name Noriharu Suematsu  
1st Author's Affiliation Tohokuj University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2018-08-09 17:10:00 
Presentation Time 50 minutes 
Registration for SAT 
Paper # SAT2018-38, RCS2018-141 
Volume (vol) vol.118 
Number (no) no.176(SAT), no.177(RCS) 
Page pp.49-54(SAT), pp.51-56(RCS) 
#Pages 6 
Date of Issue 2018-08-02 (SAT, RCS) 

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