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Paper Abstract and Keywords
Presentation 2018-06-22 16:05
Development of spread spectrum command receiver for space use
Mitsuhiro Nakadai, Chihaya Kato, Masanobu Yajima (JAXA), Hideto Okada, Masanobu Ohtake, Chihiro Sakakibara (NEC Space) SANE2018-20
Abstract (in Japanese) (See Japanese page) 
(in English) Although the spread spectrum achieves stable communication by suppressing interferer by spreading process, since the satellite channel is affected by the Doppler effect, the usable situation is limited. In this paper, we describe the influence of the Doppler effect to acquisition and tracking during orbit transfer to GEO, and the achievable performance of spread spectrum. We propose a receiver design that enables fast signal acquisition over a wideband under strong interferer. This paper provide the result that our receiver design achieves the immunity against 17 dB of interferers with less than 5 seconds of acquisition time.
Keyword (in Japanese) (See Japanese page) 
(in English) Satellite communication / Command receiver / Spread spectrum / Doppler effect / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 105, SANE2018-20, pp. 39-44, June 2018.
Paper # SANE2018-20 
Date of Issue 2018-06-15 (SANE) 
ISSN Online edition: ISSN 2432-6380
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 2018-06-22 - 2018-06-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Tsukuba Space Center, JAXA 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Space applications symposium, Mission for Space Science, Satellite technology and General issue 
Paper Information
Registration To SANE 
Conference Code 2018-06-SANE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Development of spread spectrum command receiver for space use 
Sub Title (in English)  
Keyword(1) Satellite communication  
Keyword(2) Command receiver  
Keyword(3) Spread spectrum  
Keyword(4) Doppler effect  
1st Author's Name Mitsuhiro Nakadai  
1st Author's Affiliation Japan Aerospace Exploration Agency (JAXA)
2nd Author's Name Chihaya Kato  
2nd Author's Affiliation Japan Aerospace Exploration Agency (JAXA)
3rd Author's Name Masanobu Yajima  
3rd Author's Affiliation Japan Aerospace Exploration Agency (JAXA)
4th Author's Name Hideto Okada  
4th Author's Affiliation NEC Space Technologies, Ltd. (NEC Space)
5th Author's Name Masanobu Ohtake  
5th Author's Affiliation NEC Space Technologies, Ltd. (NEC Space)
6th Author's Name Chihiro Sakakibara  
6th Author's Affiliation NEC Space Technologies, Ltd. (NEC Space)
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Speaker Author-1 
Date Time 2018-06-22 16:05:00 
Presentation Time 25 minutes 
Registration for SANE 
Paper # SANE2018-20 
Volume (vol) vol.118 
Number (no) no.105 
Page pp.39-44 
Date of Issue 2018-06-15 (SANE) 

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