System and method for determining and employing road network traffic status
First Claim
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1. A system for determining optimal routes on a road network, comprising:
- a network management center coupled to a wireless network and operable to receive data communications including data indicating vehicle positions and speeds and operable to receive a data communication indicating a request for an optimal route between a first location and a second location;
a plurality of units within vehicles traveling on the road network and coupled to the wireless network and operable to transmit data to the network management center indicating the vehicle position and speed within the road network; and
a requesting unit coupled to the network management center and operable to generate a data communication requesting an optimal route between a first location and a second location.
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Abstract
A system and method for maintaining a road network traffic status database comprised of map segments with the network where vehicles'"'"' locations and speeds with the network are wireless received and used to update an average speed of the map segments and where an optimal route between a first and second location is determined from the database.
81 Citations
20 Claims
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1. A system for determining optimal routes on a road network, comprising:
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a network management center coupled to a wireless network and operable to receive data communications including data indicating vehicle positions and speeds and operable to receive a data communication indicating a request for an optimal route between a first location and a second location;
a plurality of units within vehicles traveling on the road network and coupled to the wireless network and operable to transmit data to the network management center indicating the vehicle position and speed within the road network; and
a requesting unit coupled to the network management center and operable to generate a data communication requesting an optimal route between a first location and a second location. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of determining optimal routes on a road network, comprising the steps of:
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receiving data communications including data indicating vehicle positions and speeds from a plurality of units within vehicles traveling on the road network from a wireless network;
receiving a data communication indicating a request for an optimal route between a first location and a second location from a requesting unit;
determining an optimal route between the first location and the second location based on the received vehicle positions and speeds; and
transmitting the optimal route to the requesting unit. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification