Positioning control apparatus for switching whether predictive ephemeris data is used for positioning calculation

A positioning control apparatus is provided, which includes: an acquisition unit that acquires predictive ephemeris data from outside of the positioning control apparatus; a setup unit that sets up, based on a predetermined condition different from an expiration date that has been set up in the pred...

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Bibliographische Detailangaben
1. Verfasser:	Shingyoji, Ryuji
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING
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Beschreibung
Zusammenfassung:	A positioning control apparatus is provided, which includes: an acquisition unit that acquires predictive ephemeris data from outside of the positioning control apparatus; a setup unit that sets up, based on a predetermined condition different from an expiration date that has been set up in the predictive ephemeris data, a switching condition as to whether the predictive ephemeris data acquired by way of the acquisition unit should be used for positioning calculation to calculate location information that indicates a current location of the positioning control apparatus; and a control unit that switches, based on the switching condition that has been set up by way of the setup unit, whether the predictive ephemeris data should be used for the positioning calculation.