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Paper Abstract and Keywords
Presentation 2023-09-01 15:35
Feasibility Study of Physical-Layer Cryptography and Line-of-Sight Quantum Key Distribution over GEO-Ground Links based on Link Budget Calculation
Hiroyuki Endo, Masahide Sasaki, Mikio Fujiwara (NICT) SAT2023-47
Abstract (in Japanese) (See Japanese page) 
(in English) Since the channel is highly directional and line-of-sight, it is reasonable to assume that an eavesdropper is hard to fully access a free-space optical link between Alice and Bob without being found. Physical-layer cryptography and line-of-sight quantum key distribution (QKD) employ this assumption and hence could achieve much more improved key generation performance compared to the normal QKD schemes. Therefore, these schemes are expected to construct a global-scale QKD network using satellites. However, no feasibility studies for these schemes based on practical systems have been reported yet. This paper reports the feasibility study for these key-generation schemes over GEO-ground links using the method of link budget calculation, which is used for satellite laser communications, assuming the systems being developed in the on-going MIC R&D project. Based on the results, we investigate the range of acceptable assumption on the eavesdropper to perform the key generation and discuss the issues to be detailed for the realization of these key generation schemes.
Keyword (in Japanese) (See Japanese page) 
(in English) Physical-layer cryptography / Line-of-sight QKD / Quantum key distribution / Satellite laser communications / / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 171, SAT2023-47, pp. 60-65, Aug. 2023.
Paper # SAT2023-47 
Date of Issue 2023-08-24 (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 SAT2023-47

Conference Information
Committee RCS SAT  
Conference Date 2023-08-31 - 2023-09-01 
Place (in Japanese) (See Japanese page) 
Place (in English) Naganoken Nokyo Building, and online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Satellite Communications, Broadcasting, Forward Error Correction, Wireless Communications, etc. 
Paper Information
Registration To SAT 
Conference Code 2023-08-RCS-SAT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Feasibility Study of Physical-Layer Cryptography and Line-of-Sight Quantum Key Distribution over GEO-Ground Links based on Link Budget Calculation 
Sub Title (in English)  
Keyword(1) Physical-layer cryptography  
Keyword(2) Line-of-sight QKD  
Keyword(3) Quantum key distribution  
Keyword(4) Satellite laser communications  
Keyword(5)  
Keyword(6)  
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1st Author's Name Hiroyuki Endo  
1st Author's Affiliation National Institute of Information and Communications Technology (NICT)
2nd Author's Name Masahide Sasaki  
2nd Author's Affiliation National Institute of Information and Communications Technology (NICT)
3rd Author's Name Mikio Fujiwara  
3rd Author's Affiliation National Institute of Information and Communications Technology (NICT)
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Speaker Author-1 
Date Time 2023-09-01 15:35:00 
Presentation Time 25 minutes 
Registration for SAT 
Paper # SAT2023-47 
Volume (vol) vol.123 
Number (no) no.171 
Page pp.60-65 
#Pages 6 
Date of Issue 2023-08-24 (SAT) 

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