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US 7,460,987 B2Granted
GPS satellite simulation system
AssigneeFujitsu Limited
InventorsShinichiro Mori, Satoru Takagi
Life of this patent
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Abstract
A simulation system for simulating a GPS (global positioning system) satellite is configured for acquiring a navigation data in real time from the GPS satellite, generating a simulation signal from the navigation data while carrying out a clock time synchronization with an output signal from the GPS satellite, and outputting the signal to a GPS receiver as a target of evaluation.
Claims7
A simulation system for simulating a GPS satellite, comprising:
- a navigation data acquisition unit acquiring a navigation data in real time from the GPS satellite;
- and
- a simulator unit generating a simulation signal which simulates the GPS satellite from the navigation data and outputting the simulation signal while carrying out a clock time synchronization with an output signal from the GPS satellite.
A simulation method for simulating a GPS satellite, comprising:
- acquiring a navigation data in real time from the GPS satellite;
- generating a simulation signal for simulating the GPS satellite from the navigation data while carrying out a clock time synchronization with an output signal from the GPS satellite;
- and
- outputting the simulation signal to a GPS receiver.
1 more element
Dependencies are inferred from the claim text.