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Paper Abstract and Keywords
Presentation 2026-06-17 12:00
Proposal of an SDR-Based Regenerative Ranging RF Ranging Sensor for Deep Space Applications
Tomoyo Shibata (former TMU), Ahmed Kiyoshi Sugihara (JAXA), Wataru Torii (former JAXA), Atsushi Tomiki, Hiroshi Takeuchi (JAXA), Ayako Torisaka (TMU), Osamu Mori (JAXA) SANE2026-15
Abstract (in Japanese) (See Japanese page) 
(in English) The application of micro and nano-spacecraft, such as CubeSats, to deep space exploration has been attracting significant attention. In particular, their use as independent units that separate from a mothership to specialize in specific functions is increasing. However, a simple navigation system capable of providing accurate relative positioning under strict size, weight, and power constraints has not yet been established. Optical navigation meant for short distances, radio navigation requiring massive ground stations, and existing sensors reliant on GNSS are inapplicable to ultra-low-resource missions in deep space. In this study, we introduce a regenerative ranging method—which regenerates and remodulates received codes before transmission—into a Software Defined Radio (SDR) to resolve the challenges of long-distance ranging between ultra-low-resource spacecraft.
Keyword (in Japanese) (See Japanese page) 
(in English) SDR / PN ranging / Regenerative ranging / Deep space / / / /  
Reference Info. IEICE Tech. Rep., vol. 126, no. 71, SANE2026-15, pp. 68-73, June 2026.
Paper # SANE2026-15 
Date of Issue 2026-06-10 (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)
Download PDF SANE2026-15

Conference Information
Committee SANE  
Conference Date 2026-06-17 - 2026-06-17 
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) Radar, Tracking, EW Technologies and general 
Paper Information
Registration To SANE 
Conference Code 2026-06-SANE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Proposal of an SDR-Based Regenerative Ranging RF Ranging Sensor for Deep Space Applications 
Sub Title (in English)  
Keyword(1) SDR  
Keyword(2) PN ranging  
Keyword(3) Regenerative ranging  
Keyword(4) Deep space  
Keyword(5)  
Keyword(6)  
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1st Author's Name Tomoyo Shibata  
1st Author's Affiliation former Tokyo Metropolitan University (former TMU)
2nd Author's Name Ahmed Kiyoshi Sugihara  
2nd Author's Affiliation Japan Aerospace Exploration Agency (JAXA)
3rd Author's Name Wataru Torii  
3rd Author's Affiliation former Japan Aerospace Exploration Agency (former JAXA)
4th Author's Name Atsushi Tomiki  
4th Author's Affiliation Japan Aerospace Exploration Agency (JAXA)
5th Author's Name Hiroshi Takeuchi  
5th Author's Affiliation Japan Aerospace Exploration Agency (JAXA)
6th Author's Name Ayako Torisaka  
6th Author's Affiliation Tokyo Metropolitan University (TMU)
7th Author's Name Osamu Mori  
7th Author's Affiliation Japan Aerospace Exploration Agency (JAXA)
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Speaker Author-1 
Date Time 2026-06-17 12:00:00 
Presentation Time 20 minutes 
Registration for SANE 
Paper # SANE2026-15 
Volume (vol) vol.126 
Number (no) no.71 
Page pp.68-73 
#Pages 6 
Date of Issue 2026-06-10 (SANE) 

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