System and method for managing navigation information
First Claim
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1. A system for managing navigation information comprising:
- an On-Board Unit (OBU) associated with a motor vehicle and comprising a central unit, the central unit capable of communicating with a wireless communications network, and communicating with a user;
the OBU storing first navigation information;
a service provider including a database, wherein the database includes second navigation information;
wherein second navigation information includes more items of navigation information than first navigation information;
wherein the service provider responds to a request for navigation information from the OBU with ordered navigation information that is sent to the OBU in a predetermined order, wherein route information is sent before other navigation information; and
wherein the ordered navigation information includes a first region including a plurality of navigation features encoded in absolute coordinates, and a second region including a plurality of navigation features encoded in relative coordinates.
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Abstract
A system and method for managing navigation information is disclosed. The system and method can send and receive navigation information. In some cases, requests for navigation information can be sent to a service provider, which then prepares an appropriate response and sends the response back to the requesting party. The service provider can communicate with an on-board unit associated with a motor vehicle.
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Citations
20 Claims
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1. A system for managing navigation information comprising:
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an On-Board Unit (OBU) associated with a motor vehicle and comprising a central unit, the central unit capable of communicating with a wireless communications network, and communicating with a user;
the OBU storing first navigation information;a service provider including a database, wherein the database includes second navigation information; wherein second navigation information includes more items of navigation information than first navigation information; wherein the service provider responds to a request for navigation information from the OBU with ordered navigation information that is sent to the OBU in a predetermined order, wherein route information is sent before other navigation information; and wherein the ordered navigation information includes a first region including a plurality of navigation features encoded in absolute coordinates, and a second region including a plurality of navigation features encoded in relative coordinates. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A system for managing navigation information comprising:
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an On-Board Unit (OBU) associated with a motor vehicle and comprising a central unit, the central unit capable of communicating with a wireless communications network; the OBU storing first navigation information; a service provider including a database, wherein the database includes second navigation information; wherein second navigation information is different than first navigation information; wherein the OBU sends a request for navigation information to the service provider, the service provider communicates with a billing system and requests permission to provide navigation information to the OBU; wherein the billing system grants the permission to prepare the navigation information if an account associated with the OBU is valid; wherein the service provider sends navigation information to the OBU after receiving permission from the billing system; and wherein a total amount of navigation information that is sent by the service provider is reduced by transmitting route information before map information, thereby eliminating redundancy. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification