Abstract: A system and method detects an amount of data attributed to a device including reports sent to the device, and reduces the amount of data being used to provide reports to the device if the amount of data attributed to the device exceeds an amount assigned to the device. Data uploaded from the device is also minimized.

Abstract: A system and method splices into, or replaces routes identified based on road geometry with routes taken by the same user or other users to create alternate routes that may be selected by a user to display, for example, on a map or for which driving directions can be displayed. Communication of routes traveled by different devices may be received from a server or from another device. A naming convention for road segments and ordered paths of road segments is described.

Abstract: A system and method provides location-aware search results from a navigation or other device and provides one or more enhanced listings or advertisements with the results to offset the communication cost of the search. The sponsor may be charged for the listing or advertisement and the charge may be based on whether the device arrives in an area around the sponsor location within a threshold amount of time.

Abstract: A system and method splices into, or replaces routes identified based on road geometry with routes taken by the same user or other users to create alternate routes that may be selected by a user to display, for example, on a map or for which driving directions can be displayed. Communication of routes traveled by different devices may be received from a server or from another device. A naming convention for road segments and ordered paths of road segments is described.

Abstract: A system and method splices into, or replaces routes identified based on road geometry with routes taken by the same user or other users to create alternate routes that may be selected by a user to display, for example, on a map or for which driving directions can be displayed. Communication of routes traveled by different devices may be received from a server or from another device. A naming convention for road segments and ordered paths of road segments is described.

Abstract: A system and method splices into, or replaces routes identified based on road geometry with routes taken by the same user or other users to create alternate routes that may be selected by a user to display, for example, on a map or for which driving directions can be displayed. Communication of routes traveled by different devices may be received from a server or from another device. A naming convention for road segments and ordered paths of road segments is described.

Abstract: A system and method provides location-aware search results from a navigation or other device and provides one or more enhanced listings or advertisements with the results to offset the communication cost of the search. The sponsor may be charged for the listing or advertisement and the charge may be based on whether the device arrives in an area around the sponsor location within a threshold amount of time.

Abstract: A system and method provides location-aware search results from a navigation or other device and provides one or more enhanced listings or advertisements with the results to offset the communication cost of the search. The sponsor may be charged for the listing or advertisement and the charge may be based on whether the device arrives in an area around the sponsor location within a threshold amount of time.

Abstract: A system and method detects an amount of data attributed to a device including reports sent to the device, and reduces the amount of data being used to provide reports to the device if the amount of data attributed to the device exceeds an amount assigned to the device. Data uploaded from the device is also minimized.

Abstract: A system and method detects an amount of data attributed to a device including reports sent to the device, and reduces the amount of data being used to provide reports to the device if the amount of data attributed to the device exceeds an amount assigned to the device. Data uploaded from the device is also minimized.

Abstract: A system and method provides location-aware search results from a navigation or other device and provides one or more enhanced listings or advertisements with the results to offset the communication cost of the search. The sponsor may be charged for the listing or advertisement and the charge may be based on whether the device arrives in an area around the sponsor location within a threshold amount of time.

Abstract: A hierarchical floating car data network comprises a central server, an egress point network, and a participating vehicle network. The egress point network is in communication with the central server. The egress point network comprises a plurality of egress points. The participating vehicle network comprises a plurality of participating vehicles. At least some of the plurality of participating vehicles are in direct communication with each other. At least some of the plurality of participating vehicles are in communication with at least some of the plurality of egress points. Furthermore, at least some of the plurality of participating vehicles may be in communication with the central server. A geographic database is formed from content communicated between the elements of the hierarchical floating car data network.

Abstract: A hierarchical floating car data network comprises a central server, an egress point network, and a participating vehicle network. The egress point network is in communication with the central server. The egress point network comprises a plurality of egress points. The participating vehicle network comprises a plurality of participating vehicles. At least some of the plurality of participating vehicles are in direct communication with each other. At least some of the plurality of participating vehicles are in communication with at least some of the plurality of egress points. Furthermore, at least some of the plurality of participating vehicles may be in communication with the central server. A geographic database is formed from content communicated between the elements of the hierarchical floating car data network.

Abstract: An enhanced dead reckoning method determines the position of a participating vehicle. The participating vehicle is unable to receive signals from global positioning satellites. The position is calculated by way of observed time difference calculations and received signal strength indications. The position is also calculated by communicating with other participating vehicles or egress points.

Abstract: An enhanced mobile communication device, or on-board equipment, communicates according an enhanced ad-hoc mode of communication and an infrastructure mode of communication. A method switches between the enhanced ad-hoc mode of communications and the infrastructure mode of communications. The enhanced mobile communication device receives content and updates a geographic database. The enhanced mobile communication device reads the geographic database and transmits content. Data, such as location information from global positioning satellite signals, is collected by the enhanced mobile communication. On-board software of the enhanced mobile communication device communicates with the geographic database for computing routes, paths, and turn-by-turn direction.

Abstract: Participating vehicles and egress points communicate with each other according to an infrastructure mode. Participating vehicles communicate with other participating vehicles according to an ad-hoc mode. In an infrastructure mode packet transmitting method for a participating vehicle, beacon service table packets, vehicle service table packets, or packet bursts are created and transmitted. In an infrastructure mode packet receiving method for a participating vehicle, beacon service table packets, vehicle service table packets, packet bursts, or negative acknowledgement packets are received. In an infrastructure mode packet transmitting method for an egress point, an enhanced beacon packet or a negative acknowledgement packet is created and transmitted. In an infrastructure mode packet receiving method for an egress point, beacon service table packets, vehicle service table packets, or packets bursts are received.

Abstract: An enhanced dead reckoning method determines the position of a participating vehicle. The participating vehicle is unable to receive signals from global positioning satellites. The position is calculated by way of observed time difference calculations and received signal strength indications. The position is also calculated by communicating with other participating vehicles or egress points.

Abstract: Participating vehicles and egress points communicate with each other according to an infrastructure mode. Participating vehicles communicate with other participating vehicles according to an ad-hoc mode. In an infrastructure mode packet transmitting method for a participating vehicle, beacon service table packets, vehicle service table packets, or packet bursts are created and transmitted. In an infrastructure mode packet receiving method for a participating vehicle, beacon service table packets, vehicle service table packets, packet bursts, or negative acknowledgement packets are received. In an infrastructure mode packet transmitting method for an egress point, an enhanced beacon packet or a negative acknowledgement packet is created and transmitted. In an infrastructure mode packet receiving method for an egress point, beacon service table packets, vehicle service table packets, or packets bursts are received.

Abstract: A hierarchical floating car data network comprises a central server, an egress point network, and a participating vehicle network. The egress point network is in communication with the central server. The egress point network comprises a plurality of egress points. The participating vehicle network comprises a plurality of participating vehicles. At least some of the plurality of participating vehicles are in direct communication with each other. At least some of the plurality of participating vehicles are in communication with at least some of the plurality of egress points. Furthermore, at least some of the plurality of participating vehicles may be in communication with the central server. A geographic database is formed from content communicated between the elements of the hierarchical floating car data network.

Abstract: An enhanced mobile communication device, or on-board equipment, communicates according an enhanced ad-hoc mode of communication and an infrastructure mode of communication. A method switches between the enhanced ad-hoc mode of communications and the infrastructure mode of communications. The enhanced mobile communication device receives content and updates a geographic database. The enhanced mobile communication device reads the geographic database and transmits content. Data, such as location information from global positioning satellite signals, is collected by the enhanced mobile communication. On-board software of the enhanced mobile communication device communicates with the geographic database for computing routes, paths, and turn-by-turn direction.