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Paper Abstract and Keywords
Presentation 2024-07-25 09:50
DSP basic design of direct digital RF transmitter for a LEO satellite Q-band DBF antenna
Noriharu Suematsu, Kouki Nakamura, Junhao Zhang, Yuki Fujiya, Tomoyuki Furuichi, Satoshi Tsukamoto (Tohoku Univ.) SAT2024-18
Abstract (in Japanese) (See Japanese page) 
(in English) A digital signal processor (DSP) basic design of direct digital RF transmitter with 100GbE optical fiber link is carried out for a LEO satellite Q-band DBF antenna. Assuming ACLR<-31dBc, the lowest bit number (signal voltage resolution) in QPSK/QAM modulation calculation and the lowest OSR of 1-bit bandpass - modulation are calculated. The calculated minimum OSR value indicates that a 100GbE optical link (25Gbps/single antenna element) can be used for the connection between the DSP unit and the antenna module.
Keyword (in Japanese) (See Japanese page) 
(in English) SDR / digital RF / undersampling / millimeter-waveas / B5G / DBF / SATCOM /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 128, SAT2024-18, pp. 20-24, July 2024.
Paper # SAT2024-18 
Date of Issue 2024-07-17 (SAT) 
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 SAT2024-18

Conference Information
Committee AP SANE SAT  
Conference Date 2024-07-24 - 2024-07-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Frontier Research in Applied Sciences Building, Hokkaido University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Remote sensing, Sattelite Communication, Radio propagation, Antennas and Propagation 
Paper Information
Registration To SAT 
Conference Code 2024-07-AP-SANE-SAT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) DSP basic design of direct digital RF transmitter for a LEO satellite Q-band DBF antenna 
Sub Title (in English)  
Keyword(1) SDR  
Keyword(2) digital RF  
Keyword(3) undersampling  
Keyword(4) millimeter-waveas  
Keyword(5) B5G  
Keyword(6) DBF  
Keyword(7) SATCOM  
Keyword(8)  
1st Author's Name Noriharu Suematsu  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Kouki Nakamura  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Junhao Zhang  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
4th Author's Name Yuki Fujiya  
4th Author's Affiliation Tohoku University (Tohoku Univ.)
5th Author's Name Tomoyuki Furuichi  
5th Author's Affiliation Tohoku University (Tohoku Univ.)
6th Author's Name Satoshi Tsukamoto  
6th Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2024-07-25 09:50:00 
Presentation Time 20 minutes 
Registration for SAT 
Paper # SAT2024-18 
Volume (vol) vol.124 
Number (no) no.128 
Page pp.20-24 
#Pages 5 
Date of Issue 2024-07-17 (SAT) 

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