NAVIGATION SYSTEM
First Claim
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1. A computer-implemented method for providing a description of a road segment using location reference points, the method comprising the steps of:
- providing two first location reference points configured to identify a road including a road segment, where a first point of the two first location reference points corresponds to a first location along the road and a second point of the two first location reference points corresponds to a second location along the road;
providing two second location reference points configured to identify a portion of the road between the first location and the second location where the road segment is located; and
generating, through the use of a processor, a description of the road segment based on the two first location reference points and the two second location reference points.
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Abstract
A system provides a description of a road segment using location reference points. The system may receive traffic information about a road segment along a road. The system may determine two sets of location reference points based on the traffic information. The system may generate a description of the road segment based on the two determined sets of location reference points.
133 Citations
25 Claims
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1. A computer-implemented method for providing a description of a road segment using location reference points, the method comprising the steps of:
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providing two first location reference points configured to identify a road including a road segment, where a first point of the two first location reference points corresponds to a first location along the road and a second point of the two first location reference points corresponds to a second location along the road; providing two second location reference points configured to identify a portion of the road between the first location and the second location where the road segment is located; and generating, through the use of a processor, a description of the road segment based on the two first location reference points and the two second location reference points. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A system for generating a description of a road segment, the system comprising:
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a receiver configured to receive information about the road segment; a processing unit configured to determine two first location reference points identifying a road having a road segment, where a first point of the two first location reference points corresponds to a geographic object located at a first location along the road and a second point of the two first location reference points corresponds to a geographic object located at a second location of the road, the processing unit being further configured to determine two second location reference points identifying a portion of the road between the first location and the second location where the road segment is located; and a message generating unit configured to generate a description of the road segment based on the two first location reference points and the two second location reference points. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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21. A receiving device configured alert a user about a traffic event on a road segment, the receiving device comprising:
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a receiving unit configured to receive a message containing two first location reference points identifying a road including a road segment experiencing a traffic event, where a first point of the two first location reference points corresponds to a geographic object located at a first location along the road and a second point of the two first location reference points corresponds to a geographic object located at a second location along the road, the message further containing two second location reference points identifying a portion of the road between the first location and the second location where the road segment is located; a decoder configured to decode the received message and extract the two first location reference points and the two second location reference points; and an information generating unit configured to generate a description of the road segment based on the two first location reference points and the two second location reference points, the information generating unit configured to output the description to a user of the receiving the device. - View Dependent Claims (22, 23, 24, 25)
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Specification