Presentation	2000/5/12 Satellite Communication-Navigation System with Delay-Error Cancellation S. Kawase,
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Abstract(in Japanese)	(See Japanese page)
Abstract(in English)	A navigation system using communication satellites is proposed, and its navigation accuracy is analyzed. Satellites have only through-repeaters, as they simply relay navigation-signals from an earth station to users. The accuracy analysis considers internal delays of satellites and earth stations. Any unknown part of these delays causes errors in satellite-position determination and in signal-transmission timing. These two errors can be led to cancellation at user units by means of reasonable system tuning. This enables a domestic system for Japan where unknown satellite/station delays of a few hundred meters would cause a horizontal error small as 1m.
Keyword(in Japanese)	(See Japanese page)
Keyword(in English)	Geostationary Satellite / Quasi-zenith satellite / Positioning error / Internal delay
Paper #	SANE2000-11
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Conference Information
Committee	SANE
Conference Date	2000/5/12(1days)
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Paper Information
Registration To	Space, Aeronautical and Navigational Electronics (SANE)
Language	JPN
Title (in Japanese)	(See Japanese page)
Sub Title (in Japanese)	(See Japanese page)
Title (in English)	Satellite Communication-Navigation System with Delay-Error Cancellation
Sub Title (in English)
Keyword(1)	Geostationary Satellite
Keyword(2)	Quasi-zenith satellite
Keyword(3)	Positioning error
Keyword(4)	Internal delay
1st Author's Name	S. Kawase
1st Author's Affiliation	Communications Research Laboratory()
Date	2000/5/12
Paper #	SANE2000-11
Volume (vol)	vol.100
Number (no)	68
Page	pp.pp.-
#Pages	8
Date of Issue