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Paper Abstract and Keywords
Presentation 2025-06-05 13:20
[Poster Presentation] Development of Direct Digital RF Transmitter and Receiver Modules for QV-band Digital Beam Forming Antenna
Yoshiaki Morino, Akihito Hirai, Yuki Tsukui, Kazutomi Mori (Mitsubishi Electric Corp.), Tomoyuki Furuichi, Satoshi Tsukamoto, Noriharu Suematsu (Tohoku Univ.), Koji Yamanaka (Mitsubishi Electric Corp.) SANE2025-11
Abstract (in Japanese) (See Japanese page) 
(in English) We are developing communication technology using the Q/V band for next-generation space networks. One of the core technologies is a high-performance digital beamforming (DBF) transceiver system. This technology controls transmission and receive signals using digital signal processing with multiple antenna elements to form and emphasize beams in specific directions. This enables flexible and agile beam direction control and multi-beam formation, allowing for ultra-high-speed and large-capacity communication. However, the pitch between antenna elements in the Q/V band is narrow, necessitating high-density integration of the transceiver modules. In this report, we present the prototyping results of Q-band transmitter and V-band receiver modules adopting a direct digital RF transceiver configuration [1]-[10] that enables high-density integration. For an input signal with a symbol rate of 400MS/s and a modulation scheme of 64QAM, the transmitter module achieved excellent performance with an EVM of 1.4% and an SNR of 33.2dB at 40GHz. Similarly, the receiver module achieved excellent performance with an EVM of 4.2% and an SNR of 23.9dB at 51GHz.
Keyword (in Japanese) (See Japanese page) 
(in English) Digital Beam Forming Antenna / Direct RF Module / 1-bitΔΣmodulation / Sample & Hold Circuit / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 57, SANE2025-11, pp. 39-44, June 2025.
Paper # SANE2025-11 
Date of Issue 2025-05-29 (SANE) 
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)
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Conference Information
Committee SANE  
Conference Date 2025-06-05 - 2025-06-05 
Place (in Japanese) (See Japanese page) 
Place (in English) Information Technology R & D Center, MITSUBISHI Electric Corp. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Satellite technology, Space Science, Radar, EW and generals 
Paper Information
Registration To SANE 
Conference Code 2025-06-SANE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Development of Direct Digital RF Transmitter and Receiver Modules for QV-band Digital Beam Forming Antenna 
Sub Title (in English)  
Keyword(1) Digital Beam Forming Antenna  
Keyword(2) Direct RF Module  
Keyword(3) 1-bitΔΣmodulation  
Keyword(4) Sample & Hold Circuit  
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1st Author's Name Yoshiaki Morino  
1st Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Corp.)
2nd Author's Name Akihito Hirai  
2nd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Corp.)
3rd Author's Name Yuki Tsukui  
3rd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Corp.)
4th Author's Name Kazutomi Mori  
4th Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Corp.)
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.)
7th Author's Name Noriharu Suematsu  
7th Author's Affiliation Tohoku University (Tohoku Univ.)
8th Author's Name Koji Yamanaka  
8th Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Corp.)
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Speaker Author-1 
Date Time 2025-06-05 13:20:00 
Presentation Time 70 minutes 
Registration for SANE 
Paper # SANE2025-11 
Volume (vol) vol.125 
Number (no) no.57 
Page pp.39-44 
#Pages 6 
Date of Issue 2025-05-29 (SANE) 

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