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Paper Abstract and Keywords
Presentation 2023-07-20 09:10
A Basic Architecture Design of Direct Digital RF DBF Transceiver for Q/V-Band On-Board Unit
Noriharu Suematsu, Tomoyuki Furuichi, Satoshi Tsukamoto (Tohoku Univ) EMT2023-22 MW2023-40 OPE2023-22 EST2023-22 MWPTHz2023-18
Abstract (in Japanese) (See Japanese page) 
(in English) This paper describes a transceiver design of Q/V(40/50 GHz)-band DBF antenna for low earth orbit (LEO) constellation on-board equipment. Since the antenna element distance is around 5mm, compact antenna module size is required. The direct digital RF transceiver architecture is a solution of both software defined radio (SDR) functionality and compactness. For transmitter, 1-bit bandpass delta-sigma modulator in digital domain is employed and the 3rd order image component is extracted from 1-bit DAC as the RF transmit signal in 40GHz-band. For receiver, received RF signal in 50GHz-band is directly under-sampled and is converted into digital IF signal. These Antenna modules and DSP unit are connected by QSFP modules and optical fibers designed for 100 GbE.
Keyword (in Japanese) (See Japanese page) 
(in English) SDR / Digital RF / Undersampling / Millimeter-waves / Satellite communication / B5G / DBF / Transceivers  
Reference Info. IEICE Tech. Rep., vol. 123, no. 115, MW2023-40, pp. 71-75, July 2023.
Paper # MW2023-40 
Date of Issue 2023-07-13 (EMT, MW, OPE, EST, MWPTHz) 
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 EMT2023-22 MW2023-40 OPE2023-22 EST2023-22 MWPTHz2023-18

Conference Information
Committee EST MW EMT OPE MWPTHz IEE-EMT  
Conference Date 2023-07-20 - 2023-07-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Muroran Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Workshop on Optical and Microwave technologies 
Paper Information
Registration To MW 
Conference Code 2023-07-EST-MW-EMT-OPE-MWPTHz-EMT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Basic Architecture Design of Direct Digital RF DBF Transceiver for Q/V-Band On-Board Unit 
Sub Title (in English)  
Keyword(1) SDR  
Keyword(2) Digital RF  
Keyword(3) Undersampling  
Keyword(4) Millimeter-waves  
Keyword(5) Satellite communication  
Keyword(6) B5G  
Keyword(7) DBF  
Keyword(8) Transceivers  
1st Author's Name Noriharu Suematsu  
1st Author's Affiliation Tohoku University (Tohoku Univ)
2nd Author's Name Tomoyuki Furuichi  
2nd Author's Affiliation Tohoku University (Tohoku Univ)
3rd Author's Name Satoshi Tsukamoto  
3rd Author's Affiliation Tohoku University (Tohoku Univ)
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Speaker Author-1 
Date Time 2023-07-20 09:10:00 
Presentation Time 25 minutes 
Registration for MW 
Paper # EMT2023-22, MW2023-40, OPE2023-22, EST2023-22, MWPTHz2023-18 
Volume (vol) vol.123 
Number (no) no.114(EMT), no.115(MW), no.116(OPE), no.117(EST), no.118(MWPTHz) 
Page pp.71-75 
#Pages 5 
Date of Issue 2023-07-13 (EMT, MW, OPE, EST, MWPTHz) 

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