NAVIGATION SYSTEM, AND CONTROL METHOD AND PROGRAM FOR NAVIGATION SYSTEM
First Claim
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1. A navigation system, comprising:
- a signal receiver configured to receive a first signal and a second signal that is different from the first signal;
a memory storing a region estimation program; and
a processor that, when executing the stored program, estimates a region in which a current location is present on the basis of a combination of a status of reception of the first signal and a status of reception of the second signal.
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Abstract
Navigation systems, methods, and programs receive, with a signal receiver, a first signal and a second signal that is different from the first signal. The systems, methods, and programs estimate a region in which a current location is present on the basis of a combination of a status of reception of the first signal and a status of reception of the second signal.
27 Citations
15 Claims
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1. A navigation system, comprising:
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a signal receiver configured to receive a first signal and a second signal that is different from the first signal; a memory storing a region estimation program; and a processor that, when executing the stored program, estimates a region in which a current location is present on the basis of a combination of a status of reception of the first signal and a status of reception of the second signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A control method for a navigation system, the method comprising:
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receiving, with a signal receiver, a first signal and a second signal that is different from the first signal; and estimating, with a processor, a region in which a current location is present on the basis of a combination of a status of reception of the first signal and a status of reception of the second signal.
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15. A computer-readable storage medium storing a computer-executable control program for a navigation system, the program comprising:
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instructions for receiving, with a signal receiver, a first signal and a second signal that is different from the first signal; and instructions for estimating a region in which a current location is present on the basis of a combination of a status of reception of the first signal and a status of reception of the second signal.
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Specification