METHOD FOR CORRECTING MAP MATCHING AND NAVIGATION SYSTEM IMPLEMENTING THE METHOD
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Abstract
A method of correcting a map matching and a navigation system for implementing the method are provided. The method includes: determining whether a vehicle turns by using an acceleration sensor; and performing a map matching correction by using the determination of whether the vehicle turns and Global Positioning System (GPS) information.
35 Citations
25 Claims
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1-13. -13. (canceled)
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14. A navigation system comprising:
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a turn determination unit determining whether a vehicle turns by using an acceleration sensor; and a map matching correction unit performing a map matching correction by using the determination of whether the vehicle turns and GPS information. - View Dependent Claims (15, 16, 17, 18)
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19. A navigation system comprising:
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a road entrance determination unit checking whether a vehicle leaves a route, and determining whether the vehicle enters an uphill/downhill road by using an acceleration sensor when the vehicle leaves the route; and a map matching correction unit performing a map matching correction by using the determination of whether the vehicle enters the uphill/downhill road and GPS information. - View Dependent Claims (20, 21, 22)
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23. A navigation system comprising:
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a drive/stop determination unit checking whether GPS information can be received, and determining whether a vehicle is driven/stopped by using an acceleration sensor when the GPS information cannot be received; and a map matching correction unit performing a map matching correction by using the determination of whether the vehicle is driven/stopped. - View Dependent Claims (24, 25)
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Specification