| 摘要 |
A navigation system (10) for determining an entry point from an unmatched location to a known route, including a network of navigation route segments (48), an absolute position reverse differential corrector (27) for determining a corrected position of a remote mobile device (12) based on uncorrected absolute position data received from the mobile device (12), and a route entry determiner (32) operably coupled to the network (48) and the reverse differential corrector (27) for determining an accurate entry point of the mobile device (12) onto the network of route segments (48).
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