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Paper Abstract and Keywords
Presentation 2010-08-25 15:45
The measurement and evaluation of Ku band system noise and interference noise for the Quasi-Zenith Satellite System (QZSS)
Isao Nakazawa, Jun Amagai, Yasuhiro Takahashi, Miho Fujieda, Ying Li, Shin'ichi Hama (NICT) SANE2010-66
Abstract (in Japanese) (See Japanese page) 
(in English) The first Quasi-Zenith Satellite System(QZSS) is planned to be launched in this summer, i.e. FY 2010. The QZSS orbit follows "asymmetric figure 8" foot printand the system is expected to complement of the Global Positioning System(GPS) by incresing the number of satellites at high elevation angles. National Institute of Information and Communications Technology(NICT), Japan is going to develop the time management system for QZSS, and carry out experiments with this equipment. As for the time management system, care has to be taken when the satellite approach the low elevation angles. Thus it is preferable to evaluate the telecommuni-cation performance on Ku band from low elevation angles, considering the satellite specific orbit which follows a "figure 8" foot print. In this paper, we consider the system noise , solar noise, and interference sig-nals of geostationary satellites. We describe details of our examination and derived a model for the total noise of the system based on measure-ment data.
Keyword (in Japanese) (See Japanese page) 
(in English) Quasi-Zenith Satellite system / QZSS / Figure 8 orbit / System noise / Solar noise / Interference signal noise / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 173, SANE2010-66, pp. 31-35, Aug. 2010.
Paper # SANE2010-66 
Date of Issue 2010-08-18 (SANE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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 2010-08-25 - 2010-08-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Niigata University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Environmental measurement and general 
Paper Information
Registration To SANE 
Conference Code 2010-08-SANE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) The measurement and evaluation of Ku band system noise and interference noise for the Quasi-Zenith Satellite System (QZSS) 
Sub Title (in English)  
Keyword(1) Quasi-Zenith Satellite system  
Keyword(2) QZSS  
Keyword(3) Figure 8 orbit  
Keyword(4) System noise  
Keyword(5) Solar noise  
Keyword(6) Interference signal noise  
Keyword(7)  
Keyword(8)  
1st Author's Name Isao Nakazawa  
1st Author's Affiliation National Institute of Information and Communications Technology (NICT)
2nd Author's Name Jun Amagai  
2nd Author's Affiliation National Institute of Information and Communications Technology (NICT)
3rd Author's Name Yasuhiro Takahashi  
3rd Author's Affiliation National Institute of Information and Communications Technology (NICT)
4th Author's Name Miho Fujieda  
4th Author's Affiliation National Institute of Information and Communications Technology (NICT)
5th Author's Name Ying Li  
5th Author's Affiliation National Institute of Information and Communications Technology (NICT)
6th Author's Name Shin'ichi Hama  
6th Author's Affiliation National Institute of Information and Communications Technology (NICT)
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Speaker Author-1 
Date Time 2010-08-25 15:45:00 
Presentation Time 25 minutes 
Registration for SANE 
Paper # SANE2010-66 
Volume (vol) vol.110 
Number (no) no.173 
Page pp.31-35 
#Pages 5 
Date of Issue 2010-08-18 (SANE) 

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