EP1742191B1 - Verkehrsüberwachungssystem auf GPS-Basis - Google Patents

Verkehrsüberwachungssystem auf GPS-Basis Download PDF

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Publication number
EP1742191B1
EP1742191B1 EP06011022A EP06011022A EP1742191B1 EP 1742191 B1 EP1742191 B1 EP 1742191B1 EP 06011022 A EP06011022 A EP 06011022A EP 06011022 A EP06011022 A EP 06011022A EP 1742191 B1 EP1742191 B1 EP 1742191B1
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EP
European Patent Office
Prior art keywords
traffic
parking
vehicle
location
data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP06011022A
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English (en)
French (fr)
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EP1742191A3 (de
EP1742191A2 (de
Inventor
Sehat Sutardja
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Marvell World Trade Ltd
Original Assignee
Marvell World Trade Ltd
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Filing date
Publication date
Priority claimed from US11/171,563 external-priority patent/US9047765B2/en
Priority claimed from US11/338,978 external-priority patent/US20070005228A1/en
Application filed by Marvell World Trade Ltd filed Critical Marvell World Trade Ltd
Publication of EP1742191A2 publication Critical patent/EP1742191A2/de
Publication of EP1742191A3 publication Critical patent/EP1742191A3/de
Application granted granted Critical
Publication of EP1742191B1 publication Critical patent/EP1742191B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
    • G08G1/096775—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is a central station
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096708—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control
    • G08G1/096716—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control where the received information does not generate an automatic action on the vehicle control
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096733—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place
    • G08G1/096741—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place where the source of the transmitted information selects which information to transmit to each vehicle
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/20—Monitoring the location of vehicles belonging to a group, e.g. fleet of vehicles, countable or determined number of vehicles

Definitions

  • the present invention relates to traffic monitoring systems, and more particularly to global positioning system (GPS)-based traffic monitoring systems for vehicles.
  • GPS global positioning system
  • GPS Global positioning systems
  • GPS systems typically include a receiver that triangulates vehicle position using beacons generated by GPS satellites.
  • GPS systems also typically include a map database that is used to provide the location of the vehicle on a map, driving directions, the location of restaurants and other businesses, and/or other information.
  • map database that is used to provide the location of the vehicle on a map, driving directions, the location of restaurants and other businesses, and/or other information.
  • cities become more populated it has become more difficult to travel without incurring delays due to traffic congestion, accidents, construction and/or other problems. Finding parking in congested cities can also be difficult.
  • US 6, 426, 709 B1 refers to a method for transmitting local data and measurement data from a terminal, including a telematic terminal, to a central traffic control unit.
  • a reduction in a telecommunication costs in the transmission of extensive data from a telematic terminal unit in a vehicle to a central station is made possible by a method for the transmission of location data indicating the location of the terminal unit in a traffic network at a point in time and of measurement data indicating other characteristics of the traffic network at a location and/or at a time to the central traffic station, which location data and measurement data are detected by the terminal unit, particularly a telematic terminal unit for a vehicle.
  • At least some of the data records transmitted from the terminal unit to the central traffic station contain only location data and some of the data records transmitted from the terminal unit to the central traffic station contain measurement data.
  • EP 0 755 039 A2 refers to a method and system for prognosing of traffic flow. Prediction of road traffic conditions are performed based on random sampling.
  • a sampling system has a number of vehicle activity sensors that are distributed over a wide geographical range and can be in mobile or fixed installations. These sensors communicate with the receivers of a traffic condition computer. The computer is in communication with a number of vehicles that are to be directed through the road system. The random sampling of the traffic conditions allows a prediction to be made of conditions and allows suitable routes to be established.
  • US 2004/0246147 A1 refers to real time vehicular routing and traffic guidance system.
  • a system is described that incorporates at least one wireless data receiver, capable of receiving from a plurality of participating transmitters, for example GPS enabled cell phones, such data as is required for determining the transmitter identification code, a sign on code, an optional routing code, describing a selected matrix of preferred and alternative routes and the location of the transmitter.
  • a traffic monitoring system that comprises a traffic information system in a plurality of vehicles, wherein the traffic information system comprises a global positioning system (62, 62'), GPS, for selectively generating location and vector data; a transmitter; and a control module (65, 65') for receiving the location and vector data and for wirelessly transmitting the location and vector data by using the transmitter; a memory (110) for storing traffic data; and a traffic monitoring module (112) adapted for collecting the location and vector data for the plurality of vehicles (20, 24), when the vehicles are travelling on a first set of predetermined roads; storing the location and vector data in the memory (110); analyzing the location and vector data; and generating traffic reports for the first set of predetermined roads based on the analyzed location and vector data; the traffic monitoring module (112) is further adapted for identifying vehicles having operational problems by comparing a speed of each vehicle on a first road with a first speed threshold, and by comparing an average traffic speed on the first road with a
  • It is another aspect of the present invention to provide a method for providing traffic information that comprises the steps of receiving location and vector data from a plurality of vehicles travelling on a first set of roads; analyzing the location and vector data; generating traffic reports based on the location and vector data; diagnosing a possible problem with a first vehicle using the location and vector data by comparing (288) a speed of one of the vehicles on a first road with a first speed threshold and comparing an average traffic speed on the first road with a second speed threshold; and triggering a remote service assistance system (133) to contact a driver of the first vehicle, when the location and vector data indicate a possible problem based on the comparison.
  • a traffic information system for a vehicle comprises a transmitter and a global positioning system (GPS) associated with the vehicle that selectively generates location and vector data.
  • GPS global positioning system
  • a control module receives the location and vector data and wirelessly transmits the location and vector data using the transmitter when the vehicle is traveling on a first set of predetermined roads.
  • the control module does not transmit the location and vector data when the vehicle is traveling on a second set of predetermined roads.
  • a receiver communicates with the control module and wirelessly receives traffic reports from a remote traffic monitoring system.
  • the traffic reports include traffic speed information for traffic traveling on at least one road of the first set of predetermined roads.
  • a service assistance system communicates with the control module and wirelessly communicates with a remote service assistance system.
  • the remote traffic monitoring system receives the vector and location data and compares a speed of the vehicle on a first road to a first threshold and to an average traffic speed on the first road and selectively triggers contact with the vehicle using the service assistance system and the remote service assistance system.
  • the traffic reports include parking status information for public parking spots.
  • the parking status information for the public parking spots includes at least one status type selected from a group consisting of leaving, filled, open and unknown.
  • control module transmits the vector and location data on a periodic basis.
  • the control module monitors changes in direction of the vehicle and transmits the vector and location data when the vehicle changes direction greater than a direction change threshold.
  • the control module monitors changes in speed of the vehicle and transmits the vector and location data when the vehicle speed change is greater than a speed change threshold.
  • control module selectively transmits parking indication and location data using the transmitter when the vehicle ignition is turned off.
  • the control module selectively transmits parking indication and location data using the transmitter when the vehicle ignition is turned off and the vehicle is parked in a public parking spot.
  • the control module selectively transmits vector and location data using the transmitter when the vehicle leaves the public parking spot.
  • control module selectively generates location and parking indication data when an engine of the vehicle is turned off and selectively transmits the location and parking indication data using the transmitter.
  • a parking monitoring system located remotely from the vehicle receives the location and parking indication data from the vehicle and a plurality of other vehicles, generates parking status reports, and selectively transmits the parking status reports to the vehicle.
  • a parking lot module associated with a parking lot identifies available parking spots in the parking lot and a parking lot transmitter transmits parking lot data related to the available parking spots to the parking monitoring system.
  • a parking spot module associated with a parking spot identifies a filled status of the parking spot and a parking spot transmitter transmits parking spot data based on the filled status to the parking monitoring system.
  • the parking status report is based in part on the parking lot data.
  • the parking report is based in part on the parking spot data.
  • the parking status reports include parking spot information related to parking spots within a predetermined distance of at least one vehicle.
  • the parking spot information includes a parking status for parking spaces on at least one road.
  • the parking status includes at least one selected from the group consisting of vacant, filled, unknown, and leaving.
  • the control module is integrated with the GPS.
  • a method for operating a traffic information system for a vehicle comprises selectively generating location and vector data using a global positioning system associated with a vehicle, wirelessly transmitting the location and vector data when the vehicle is traveling on a first set of predetermined roads and not transmitting the location and vector data when the vehicle is traveling on a second set of roads.
  • the method includes wirelessly receiving traffic reports at the vehicle from a remote traffic monitoring system.
  • the traffic reports include traffic speed information for traffic traveling on at least one of the first set of predetermined roads.
  • the method includes comparing a speed of the vehicle on a first road to a first threshold and to an average traffic speed on the first road and selectively triggering contact with the vehicle using a remote service assistance system based on the comparison.
  • the traffic reports include parking status information for public parking spots.
  • the parking status information for a parking spot includes at least one status type selected from a group consisting of leaving, filled, open and unknown.
  • the method comprises transmitting the vector and location data on a periodic basis.
  • the method comprises monitoring changes in direction of the vehicle and transmitting the vector and location data when the vehicle changes direction greater than a direction change threshold.
  • the method includes monitoring changes in speed of the vehicle and transmitting the vector and location data when the vehicle speed change is greater than a speed change threshold.
  • the method comprises selectively transmitting parking indication and location data when the vehicle ignition is turned off.
  • the method further comprises selectively transmitting parking indication and location data when the vehicle ignition is turned off and the vehicle is parked in a public parking spot.
  • the method comprises transmitting vector and location data when the vehicle leaves the public parking spot.
  • the method comprises selectively generating location and parking indication data when an engine of the vehicle is turned off and selectively transmitting the location and parking indication data.
  • the method comprises receiving the location and parking indication data from the vehicle and a plurality of other vehicles, generating parking status reports and selectively transmitting the parking status reports to the vehicle.
  • the method further comprises identifying available parking spots in a parking lot, and wirelessly transmitting parking lot data related to the available parking spots to a remote parking monitoring system.
  • the method includes identifying a filled status of a parking spot and transmitting parking spot data based on the filled status to a remote parking monitoring system.
  • the method includes the parking status report based in part on the parking lot data.
  • the method comprises the parking reports based in part on the parking spot data.
  • the method includes parking spot information related to parking spots within a predetermined distance of at least one vehicle.
  • the method includes the parking spot information includes a parking status for a parking spot.
  • the parking status includes at least one selected from the group consisting of vacant, filled, unknown, and leaving.
  • a traffic information system for a vehicle comprises global positioning system (GPS) means associated with the vehicle for selectively generating location and vector data, transmitting means for wirelessly transmitting data, and control means for receiving the location and vector data and for wirelessly transmitting the location and vector data using the transmitting means when the vehicle is traveling on a first set of predetermined roads and for not transmitting the location and vector data when the vehicle is traveling on a second set of roads.
  • GPS global positioning system
  • the traffic information system comprises receiving means for wirelessly receiving traffic reports from a remote traffic monitoring means for monitoring traffic.
  • the traffic reports include traffic speed information for traffic traveling on at least one of the first set of predetermined roads.
  • Remote service assistance means communicates with the control means and wirelessly communicates with a remote service assistance system.
  • the remote traffic monitoring means compares a speed of the vehicle on a first road to a first threshold and to an average traffic speed on the first road and selectively triggers contact with the vehicle using the remote service assistance system.
  • the traffic reports include parking status information for public parking spots.
  • the parking status information for a parking spot includes at least one type selected from a group consisting of leaving, filled, open and unknown.
  • control means transmits the vector and location data on a periodic basis.
  • the control means monitors changes in direction of the vehicle and transmits the vector and location data using the transmitting means when the vehicle changes direction greater than a direction change threshold.
  • the control means monitors changes in speed of the vehicle and the transmitting means transmits the vector and location data using the transmitting means when the vehicle speed change is greater than a speed change threshold.
  • the control means selectively transmits parking indication and location data using the transmitting means when the vehicle ignition is turned off.
  • control means selectively transmits parking indication and location data using the transmitting means when the vehicle ignition is turned off and the vehicle is parked in a public parking spot.
  • the control means selectively transmits vector and location data using the transmitting means when the vehicle leaves the public parking spot.
  • the control means selectively generates location and parking indication data when an engine of the vehicle Is turned off and selectively transmits the location and parking indication data using the transmitting means.
  • the traffic information further comprises parking monitoring means for remotely monitoring parking, for receiving the location and parking indication data from the vehicle and a plurality of other vehicles, for generating parking status reports, and for selectively transmitting the parking status reports to the vehicle.
  • system further comprises parking lot means associated with a parking lot for identifying available parking spots in the parking lot and parking lot transmitting means for transmitting parking lot data related to the available parking spots to the parking monitoring means.
  • Parking spot means associated with a parking spot for identifying a filled status of the parking spot and parking spot transmitting means for transmitting parking spot data based on the filled status to the parking monitoring means.
  • the parking status report is based in part on the parking lot data.
  • the parking report is based in part on the parking spot data.
  • the parking status reports include parking spot information related to parking spots within a predetermined distance of the at least one vehicle.
  • the parking status includes at least one status type selected from the group consisting of vacant, filled, unknown, and leaving.
  • a system comprises a vehicle that includes a global positioning system (GPS) that selectively generates location and parking indication data when the vehicle is parked.
  • GPS global positioning system
  • a transceiver selectively wirelessly transmits data.
  • a control module receives the location and parking indication data from the GPS and transmits the location and parking indication data using the transmitter.
  • a parking monitoring system located remotely from the vehicle receives the location and parking indication data from the vehicle and a plurality of other vehicles, generates parking status reports based on the location and parking indication data, and selectively transmits the parking status reports to the vehicle.
  • a parking lot module associated with a parking lot identifies an available number of parking spots in the parking lot.
  • a parking lot transmitter transmits parking lot data related to the available number of parking spots to the parking monitoring system.
  • a parking spot module associated with a parking spot identifies a filled status of the parking spot.
  • a parking spot transmitter transmits parking spot data based on the filled status to the parking monitoring system.
  • the parking status reports are based in part on the parking lot data.
  • the parking reports are based in part on the parking spot data.
  • the parking status report for the vehicle includes parking information related to parking spots within a predetermined distance of the vehicle.
  • the parking reports include a parking status for parking spaces on predetermined types of roads within a predetermined distance of at least one of the vehicle and another location selected by a user of the GPS.
  • the parking status includes at least one status type selected from the group consisting of vacant, filled, unknown, and leaving.
  • the control module selectively receives location and vector data from the GPS when the vehicle is not parked.
  • the transceiver transmits the location and vector data.
  • control module transmits the location and vector data using the transceiver when the vehicle is traveling on a first set of predetermined roads and does not transmit the location and vector data when the vehicle is traveling on a second set of roads.
  • a remote traffic monitoring system receives the vector and location data from the vehicle and other vehicles and generates traffic reports based thereon.
  • the traffic reports include traffic speed information for traffic on at least one road of the first set of predetermined roads.
  • a service assistance system communicates with the control module and wirelessly communicates with a remote service assistance system.
  • the remote traffic monitoring system compares a speed of the vehicle on a first road to a first threshold and to an average traffic speed on the first road and selectively triggers contact with the vehicle using the remote service assistance system.
  • control module generates the vector and location data on a periodic basis using the transceiver.
  • the control module monitors changes in direction of the vehicle and transmits the vector and location data using the transceiver when the vehicle changes direction greater than a direction change threshold.
  • the control module monitors changes in speed of the vehicle and transmits the vector and location data using the transceiver when the vehicle speed change is greater than a speed change threshold.
  • control module selectively transmits parking indication and location data using the transceiver when the vehicle ignition is turned off.
  • the control module selectively transmits parking indication and location data using the transceiver when the vehicle ignition is turned off and the vehicle is parked in a public parking spot.
  • the control module selectively transmits parking indication and location data using the transceiver when the vehicle leaves a public parking spot.
  • a method comprises: selectively generating location and parking indication data when a vehicle is parked; selectively wirelessly transmitting the location and parking indication data; receiving the location and parking indication data from the vehicle and a plurality of other vehicles; generating parking status reports based on the location and parking data; and selectively transmitting the parking status reports to the vehicle.
  • the method includes identifying an available number of parking spots in a parking lot and transmitting parking lot data related to the available number of parking spots to a remote parking monitoring system.
  • the method includes identifying a filled status of a parking spot and transmitting parking spot data based on the filled status to a remote parking monitoring system.
  • the parking status reports are based in part on the parking lot data.
  • the parking reports are based in part on the parking spot data.
  • the parking status reports for the vehicle include parking information related to parking spots within a predetermined distance of the vehicle.
  • the parking information includes a parking status for parking spaces on predetermined types of roads within a predetermined distance of at least one of the vehicle and another location selected by a user.
  • the parking status includes at least one status type selected from the group consisting of vacant, filled, unknown, and leaving.
  • the method includes selectively generating location and vector data when the vehicle is not parked and transmitting the location and vector data. According to another aspect of the present invention, the method further includes transmitting the location and vector data when the vehicle is traveling on a first set of predetermined roads and not transmitting the location and vector data when the vehicle is traveling on a second set of predetermined roads.
  • the method includes wirelessly receiving traffic reports from a remote traffic monitoring system.
  • the traffic reports include traffic speed information for traffic on at least one road of the first set of predetermined roads.
  • the method comprises comparing a speed of the vehicle on a first road to a first threshold and to an average traffic speed on the first road and selectively triggering contact with the vehicle using a remote service assistance system.
  • the method includes transmitting the vector and location data on a periodic basis.
  • the method includes monitoring changes in direction of the vehicle and transmitting the vector and location data when the vehicle changes direction greater than a direction change threshold.
  • the method further includes monitoring changes in speed of the vehicle and transmitting the vector and location data when the vehicle speed change is greater than a speed change threshold.
  • the method includes selectively transmitting parking indication and location data when the vehicle ignition is turned off.
  • the method includes transmitting parking indication and location data when the vehicle ignition is turned off and the vehicle is parked in a public parking spot and selectively transmitting parking indication and location data when the vehicle leaves a public parking spot.
  • a system comprises a vehicle including that includes global positioning system (GPS) means for selectively generating location and parking indication data when the vehicle is parked, transceiver means for selectively wirelessly transmitting data, and control means for receiving the location and parking indication data from the GPS means and for transmitting the location and parking data using the transceiver means.
  • GPS global positioning system
  • Parking monitoring means located remotely from the vehicles receives the location and parking indication data from the vehicle and a plurality of other vehicles, generates parking status reports based on the location and parking indication data, and selectively transmits the parking status reports to the vehicle.
  • parking lot means associated with a parking lot identifies an available number of parking spots in the parking lot.
  • Parking lot transmitting means transmits parking lot data related to the available number of parking spots to the parking monitoring means.
  • Parking spot means associated with a parking spot identifies a filled status of the parking spot.
  • Parking spot transmitting means transmits parking spot data based on the filled status to the parking monitoring means.
  • the parking reports are based in part on the parking spot data.
  • the parking status reports for the vehicle include parking information related to parking spots within a predetermined distance of the vehicle.
  • the parking information includes a parking status for parking spaces on predetermined types of roads within a predetermined distance of at least one of the vehicle and another location selected by a user of the GPS means.
  • the parking status includes at least one selected from the group consisting of vacant, filled, unknown, and leaving.
  • control means selectively generates location and vector data when the vehicle is not parked and the transceiver means transmits the location and vector data.
  • the control means transmits the location and vector data using the transceiver means when the vehicle is traveling on a first set of predetermined roads and does not transmit the location and vector data when the vehicle is traveling on a second set of roads.
  • the system further comprises the remote traffic monitoring means for remotely monitoring traffic.
  • the transceiver means wirelessly receives traffic reports from the remote traffic monitoring means.
  • the traffic reports include traffic speed information for traffic on at least one of the first set of predetermined roads.
  • the system comprises remote service assistance means for interfacing with a remote service assistance system.
  • the remote traffic monitoring means compares a speed of the vehicle on a first road to a first threshold and to an average traffic speed on the first road and selectively triggers contact with the vehicle using the remote service assistance system.
  • the control means transmits the vector and location data on a periodic basis.
  • control means monitors changes in direction of the vehicle and transmits the vector and location data using the transceiving means when the vehicle changes direction greater than a direction change threshold.
  • the control means monitors changes in speed of the vehicle and transmits the vector and location data using the transceiving means when the vehicle speed change is greater than a speed change threshold.
  • the control means selectively transmits parking indication and location data using the transceiving means when the vehicle ignition is turned off.
  • control means selectively transmits parking indication and location data using the transceiving means when the vehicle ignition is turned off and the vehicle is parked in a public parking spot.
  • the transceiver means selectively transmits parking indication and location data when the vehicle leaves a public parking spot.
  • a traffic monitoring system comprises memory that stores traffic data.
  • a traffic monitoring module collects vector and location data for a plurality of vehicles when the vehicles are traveling on a first set of predetermined roads and does not collect the vector and location data when the vehicles are traveling on a second set of predetermined roads.
  • the traffic monitoring module stores the vector and location data in the memory, analyzes vector and location data, and generates traffic reports for the first set of predetermined roads based on the analyzed vector and location data.
  • the traffic monitoring module receives requests for the traffic reports from at least one vehicle, confirms that the vehicle is a subscriber for the traffic reports, and transmits the traffic reports to the vehicle if the vehicle is a subscriber.
  • the traffic monitoring module receives parking indication and location data for the vehicles and stores the parking indication and location data in the memory.
  • the traffic monitoring module receives the parking indication and location data only for the vehicles that are parked in public parking spots.
  • the traffic monitoring module generates parking reports for the subscribers based on the parking indication and location data.
  • the traffic monitoring module receives parking lot data for parking lots.
  • the parking lot data indicates a number of vacant parking spots for a respective one of the parking lots.
  • the traffic monitoring module receives parking spot data for parking spots.
  • the parking spot data indicates a filled status of a respective one of the parking spots.
  • a traffic monitoring system comprises storing means for storing traffic data.
  • Traffic monitoring means collects vector and location data for a plurality of vehicles when the vehicles are traveling on a first set of predetermined roads and does not collect the vector and location data when the vehicles are traveling on a second set of predetermined roads.
  • the traffic monitoring means stores the vector and location data in the storing means, analyzes the vector and location data, and generates traffic reports for the first set of predetermined roads based on the analyzed vector and location data.
  • the traffic monitoring means receives requests for the traffic reports from at least one vehicle, confirms that the vehicle is a subscriber for the traffic reports, and transmits the traffic reports to the vehicle if the vehicle is a subscriber.
  • the traffic monitoring means receives parking indication and location data for the vehicles, and stores the parking indication and location data in the storing means. The traffic monitoring means receives the parking indication and location data only for the vehicles that are parked in public parking spots.
  • the traffic monitoring means generates parking reports for the subscribers based on the parking indication and location data.
  • the traffic monitoring means receives parking lot data for parking lots.
  • the parking lot data indicates a number of vacant parking spots for a respective one of the parking lots.
  • the traffic monitoring means receives parking spot data for parking spots.
  • the parking spot data indicates a filled status of a respective one of the parking spots.
  • a method for operating a traffic monitoring system comprises storing traffic data collecting vector and location data for a plurality of vehicles when the vehicles are traveling on a first set of predetermined roads and not collecting the vector and location data when the vehicles are traveling on a second set of predetermined roads, storing the vector and location data, analyzing the vector and location data, and generating traffic reports for the first set of predetermined roads based on the analyzed vector and location data.
  • the method comprises receiving requests for the traffic reports from at least one vehicle confirming that the vehicle is a subscriber for the traffic reports, and transmitting the traffic reports to the vehicle if the vehicle is a subscriber.
  • the method includes receiving parking indication and location data for the vehicle and storing the parking indication and location data. The method further comprises receiving the parking indication and location data for the vehicles that are parked in public parking spots.
  • the method comprises generating parking reports for the subscribers based on the parking indication and location data.
  • the method comprises receiving parking lot data for parking lots.
  • the parking lot data indicates a number of vacant parking spots for a respective one of the parking lots.
  • the method further comprises receiving parking spot data for parking spots.
  • the parking spot data indicates a filled status of a respective one of the parking spots.
  • a method for providing traffic information comprises maintaining a list of vehicles that are subscribers of the traffic information, receiving vector and location data from a plurality of vehicles traveling on a first set of roads, analyzing the vector and location data, generating traffic reports based on the vector and location data, and transmitting the traffic reports to the vehicles that are subscribers of the traffic information.
  • the method comprises at least one of receiving requests for the traffic reports from the vehicles and transmitting the traffic reports to subscribers of the traffic reports, and pushing the traffic reports to the subscribers.
  • the method comprises billing the subscribers for the traffic information.
  • the method comprises wirelessly transmitting the location and vector data when one of the plurality of vehicles is traveling on a first set of predetermined roads, and not transmitting the location and vector data when the one of the plurality of vehicles is traveling on a second set of predetermined roads.
  • the traffic report includes traffic speed information for traffic on at least one road of the first set of predetermined roads.
  • the method further comprises diagnosing a possible problem with a first vehicle using said vector and location data, and using a remote service assistance system to contact said first vehicle when said vector and location data indicates said possible problem.
  • the method comprises comparing a speed of one of the vehicles on a first road to a first threshold and to an average traffic speed on the first road, and selectively contacting the vehicle using a remote service assistance system based on the comparison.
  • the method comprises receiving parking data from the vehicles, and generating parking status information for public parking spots based on the parking data.
  • the parking status information includes at least one status type selected from a group consisting of leaving, filled, open and unknown.
  • the vehicles transmit the vector and location data on a periodic basis.
  • the method comprises monitoring changes in direction of the vehicle, and transmitting the vector and location data when the vehicle changes direction greater than a direction change threshold.
  • the method comprises monitoring changes in speed of the vehicle, and transmitting the vector and location data when the vehicle speed change is greater than a speed change threshold.
  • the method further comprises selectively transmitting parking Indication and location data when one of the vehicles parks in a public parking spot.
  • the method comprises transmitting vector and location data when the vehicle leaves the public parking spot.
  • the method comprises selectively generating location and parking indication data when an engine of the vehicle is turned off, and selectively transmitting the location and parking indication data.
  • the method comprises maintaining a list of vehicles that are subscribers of parking status reports, receiving location and parking indication data from the vehicles, generating the parking status reports, and selectively transmitting the parking status reports to the vehicles that are subscribers.
  • the parking status report for a respective one of the vehicles includes parking information related to parking spots within a predetermined distance of the respective one of the vehicles.
  • the method comprises monitoring when the vehicle transitions from one road to another road, and transmitting the vector and location data when the transitions occur.
  • a method for providing parking information comprises maintaining a list of vehicles that are subscribers of the parking information, receiving parking indication and location data from a plurality of vehicles when the vehicles are parked in public parking spots, generating parking reports based on the parking indication and location data, and transmitting the parking reports to the vehicles that are subscribers of the parking information.
  • the method comprises receiving requests for the parking reports from the vehicles and transmitting the parking reports to subscribers of the parking reports, and pushing the parking reports to the subscribers.
  • the method comprises billing the subscribers for the parking information.
  • the method comprises wirelessly transmitting the parking indication and location data when one of the plurality of vehicles parks in a public parking spot, and not transmitting the parking indication and location data when the one of the plurality of vehicles parks in a non-public parking spot.
  • Parking status information for parking spots includes at least one status type that is selected from a group consisting of leaving, filled, open and unknown.
  • the method further comprises transmitting vector and location data when the vehicle leaves the public parking spot.
  • the method comprises selectively generating location and parking indication data when an engine of the vehicle is turned off, and selectively transmitting the location and parking indication data.
  • the method further comprises maintaining a list of vehicles that are subscribers of parking status reports.
  • the parking status report for a respective one of the vehicles includes parking information related to parking spots within a predetermined distance of the at least one vehicle.
  • FIG. 1 illustrates an exemplary traffic monitoring system that monitors vehicle traffic according to the present invention
  • FIGs. 2A and 2B are functional block diagrams of exemplary vehicles including a GPS, a transceiver, a control module and a display;
  • FIG. 3A is a functional block diagram of the exemplary vehicle of FIG. 2A with a remote service assistance (RSA) system;
  • RSA remote service assistance
  • FIG. 3B is a functional block diagram of the exemplary vehicle of FIG. 2A with an alternate RSA system
  • FIG. 4 is a functional block diagram of portions of an exemplary traffic monitoring system
  • FIG. 5 is a flow chart illustrating exemplary steps performed by a vehicle for transmitting data
  • FIG. 6 is a flow chart illustrating first alternate exemplary steps performed by a vehicle for transmitting data
  • FIG. 7A is a flow chart illustrating exemplary steps performed by the traffic monitoring system for transmitting parking-related data
  • FIG. 7B is a flow chart illustrating alternate exemplary steps performed by the traffic monitoring system for transmitting parking-related data
  • FIG. 8 is a flow chart illustrating steps performed by the traffic monitoring system for receiving and processing traffic and parking data
  • FIG. 9 illustrates steps performed by the traffic monitoring system for monitoring parking
  • FIG. 10 illustrates steps performed by the traffic monitoring system and the RSA system for identifying vehicles having operational problems
  • FIG. 11 illustrates an exemplary map display with average vehicle speeds on roads, accidents, construction and/or other items
  • FIG. 12 illustrates an exemplary display of available parking in the vicinity of the vehicle
  • FIG. 13 illustrates steps performed by the traffic monitoring system to identify possible vehicle accidents
  • FIG. 14 illustrates steps performed by an exemplary traffic and/or parking information subscriber system
  • FIG. 15 illustrates steps performed by another exemplary traffic and/or parking information subscriber system.
  • Vehicles 20-1. 20-2, ..., and 20-N (generally identified as vehicles 20) travel on a road in a first direction generally identified at 22.
  • Vehicles 24-1, 24-2, ..., and 24-M (generally identified as vehicles 24) travel on the road in a second direction generally identified at 32.
  • vehicles 20-5 and 20-6 are involved in an accident, which slows the flow of traffic in the first direction 22. The accident does not slow traffic moving in the second direction 32.
  • the traffic monitoring system alerts motorists of the slow traffic on the road traveling in the first direction, as well as information relating to traffic on other freeways, streets and other major thoroughfares.
  • some of the vehicles 20 and 24 include global positioning systems (GPS) that include receivers that triangulate vehicle position based on signals generated by GPS satellites.
  • GPS may include an integrated transmitter and/or transceiver that transmits vector and location data wirelessly to a traffic monitoring system 50, which is located remotely from the vehicles 20 and 24.
  • a separate transmitter and/or transceiver may be used in conjunction with a receiver-only GPS.
  • the vector data may include speed and direction data.
  • the location data may include longitude and latitude information or location information using another coordinate system.
  • the traffic monitoring system 50 receives the vector and location data, performs calculations on the data and transmits traffic and/or parking information back to the vehicles 20 and 24 with GPS systems with integrated transmitters and/or transceivers and/or GPS systems with separate transmitters and/or transceivers as will be described further below.
  • the GPS systems of the vehicles provide visual and/or audible traffic information to allow drivers to avoid traffic bottlenecks such as the accident and/or to find parking spots.
  • a vehicle 60 includes a GPS 62, a wireless transceiver 64 and a display 66.
  • a control module 65 that is integrated with the GPS 62 performs control functions relating to traffic and/or parking information systems.
  • the GPS 62 triangulates position or location data of the vehicle 60 and calculates vector data using GPS signals generated by GPS satellites.
  • the vehicle 60 selectively transmits the location and vector data wirelessly via the transceiver 64 to the remote traffic monitoring system 50.
  • the transceiver 64 periodically receives traffic data from the remote traffic monitoring system 50 as will be described further below.
  • the GPS systems 62 outputs traffic and other GPS-related information using the display 66.
  • the transceiver 64 may be integrated with the GPS 62.
  • the control module 65 may be separate from the GPS 62 as shown at 62' and 65' in FIG. 2B .
  • a vehicle 60' that is similar to FIGs. 2A and 2B is shown and further comprises a vehicle-based remote service assistance system 70, which provides a connection to a main remote service assistance system and/or a service assistant.
  • a vehicle-based remote service assistance system 70 provides a connection to a main remote service assistance system and/or a service assistant.
  • a vehicle-based remote service assistance system 70 is OnStar ® , although other remote service assistance systems may be utilized.
  • the remote service assistance system 70 and the traffic monitoring system 50 share the common transceiver 64.
  • the transceiver 64 may be integrated with the GPS 62 and/or the remote service system 70.
  • a vehicle 60" that is similar to FIGs. 2A and 2B is shown and further comprises an alternate remote service assistance system 70'.
  • the remote service assistance system 70' utilizes a transceiver 72 that is separate from the transceiver 64 used by the GPS system 62.
  • any suitable wireless systems may be employed including cellular systems, WiFi systems such as 802.11, 802.11a, 802.11b, 802.11 g, 802.11 n (which are hereby incorporated by reference), and/or other future 802.11 standards, WiMax systems such as 802.16 (which is hereby incorporated by reference) and/or any other suitable type of wireless system that allows communication over sufficient distances.
  • one or both of the transceivers 64 and 72 are integrated with the GPS 62 and/or remote service system 70'.
  • the control module may be integrated with or separate from the GPS and/or other system components.
  • the traffic monitoring system includes a plurality of monitoring stations 100-1, 100-2, ..., and 100-X (collectively monitoring stations 100) such as the station 50 shown in FIG. 1 .
  • the parking information can be provided in addition to or separate from the traffic information.
  • the monitoring stations 100 include a transceiver 104.
  • the monitoring stations 100 receive location and vector data from the vehicles and transmit traffic and/or parking information to the vehicles as will be described.
  • the monitoring stations 100 are connected to one or more databases 110 that store traffic and/or parking information. Traffic monitoring modules or programs 112 analyze the data that is stored in the databases 110.
  • the monitoring station 100-1 includes a server 120-1 and a network interface (Nl) 124-1.
  • the Nl 124-1 provides a connection to the distributed communications system 114.
  • the distributed communications system 114 includes the Internet, although any other type of network may be used.
  • the databases 110 may also be connected to the distributed communications system 114 by servers 130 via Nl 132. Other types of interconnection include dedicated phone lines, terrestrial links, satellite links and/or other suitable links may be used.
  • the main RSA system 133 may communicate with one or more of the servers 130 and/or may have all independent links via the DCS 114.
  • the system may use an inquiry response technique and/or a push technique for providing parking and/or traffic information.
  • a plurality of smart parking meters 138-1, 138-2, ..., and 138-P can be provided.
  • the smart parking meters 138 provide an indication when the parking spot is filled or vacant.
  • the smart parking meter 138 may make this decision based on a meter status signal generated by an expired module 139.
  • the expired module generates the meter status signal having a spot filled state when the meter is running.
  • the meter status signal has a spot vacant state when the meter expires. In other words, when the meter is expired, the smart parking meter can assume that the spot is vacant.
  • the smart parking meter 138 may include a sensor 140 that senses whether a vehicle is located in a corresponding parking spot.
  • the sensor outputs a radio frequency signal in a direction towards the parking space and generates the meter status signal depending on reflected signals that are received. If the reflected signals are returned in a period less than a threshold and/or have an amplitude greater than a threshold, a vehicle is in the spot. If not, the spot is vacant.
  • the reflected signals need to be less than the threshold for a predetermined period (to reduce noise).
  • a group of meters may include a common sensor that senses the presence of one or more vehicles in one or more parking spots of the group.
  • a parking lot 142 may include a parking spot module 143 that provides a collective signal that K parking spots are available in the entire parking lot 142.
  • the smart parking meters 138 and smart parking lots 142 may be connected to the traffic monitoring system in any suitable manner including network interfaces (NI) 144, wireless transmitters 146 and/or in any other suitable manner. When transmitting the information, wireless or wired connections may be used.
  • NI network interfaces
  • wireless transmitters 146 When transmitting the information, wireless or wired connections may be used.
  • the vehicle sends vehicle vector and location data on a periodic basis.
  • the data transmission may be selectively enabled while the vehicle ignition is on, the vehicle ignition is on or off, the vehicle is moving and/or using other criteria.
  • Control begins with step 150.
  • step 152 the vehicle sends vector and location data.
  • step 154 a timer is reset.
  • step 156 control determines whether a timer is up. If false, control returns to step 156. If step 156 is true, control returns to step 152.
  • Control may be performed by the GPS system 62 or using any other control module in the vehicle. Alternately and/or in addition to the foregoing, the traffic monitoring system may periodically query the vehicle remotely for vector and/or location data. The vehicle responds to the query by sending the vector and/or location data.
  • control begins with step 160.
  • control determines whether the vehicle is located on a major thoroughfare.
  • major thoroughfares may be defined to include freeways, highways and major streets.
  • Major thoroughfares may exclude smaller streets, residential areas and low traffic streets to reduce the amount of data being sent. Since traffic is low on these types of roads, traffic information is not needed.
  • step 162 If step 162 is false, control returns to step 162. If step 162 is true, control resets a timer in step 164.
  • control determines whether a timer is up. If not, control continues with step 168 and determines whether the vehicle has a direction change that is greater than a first threshold.
  • Step 170 determines whether the vehicle has incurred a speed change that is greater than a second threshold. Steps 166, 168 and 170 also tend to limit data being transmitted by the vehicle to the traffic monitoring system. One or more of these steps may be performed.
  • step 180 control determines whether the vehicle ignition transitions from on to off. If true, control determines whether the vehicle is located in a public parking area in step 184. This step may be performed by the vehicle alone and/or by the vehicle transmitting location information to the traffic monitoring system and receiving a response indicating whether the location is a parking spot in a public parking area. If step 184 is true, the vehicle sends a park indicator and location data in step 186. Control continues from step 186 to step 182. If step 184 is false, control returns to step 182. Therefore, the traffic monitoring system receives data related to parked vehicles.
  • step 182 control continues with step 190 and control determines whether the vehicle ignition transitions from off to on and the vehicle is moved. When the ignition turns on, it is likely that the vehicle may exit the parking space. If step 190 is true, control sends vehicle vector and location data to the traffic monitoring system in step 192 and control returns to step 182. If step 190 is false, control also continues with step 182.
  • the traffic monitoring system uses the vehicle parking and vehicle leaving data to provide parking information to other vehicles.
  • step 200 control determines whether the vehicle ignition transitions from on to off. If step 202 is true, control sends vehicle park indicator and location data in step 204 and as described above. If step 202 is false, control continues with step 206. In step 206, control determines whether the vehicle ignition transitions from off to on and the vehicle is moved. If true, control sends vehicle vector and location data. If step 206 is false, control returns to step 202.
  • control begins with step 220.
  • control receives data from the vehicles.
  • control estimates average speeds on selected portions of thoroughfares based on data from one or more vehicles.
  • the traffic monitoring system may estimate average speeds for predetermined distances or increments. The increments may vary based on road type, conditions or calculated speeds. For example, as the difference between the average speeds and the posted speeds differ, the predetermined increment may be reduced in length.
  • Traffic information is transmitted to the vehicles based upon calculations made on the collected vehicle data. The traffic information may be pushed to the vehicles and/or an inquiry/response technique may be used in step 230. Control ends in step 232.
  • parking data may also be transmitted to the vehicles using a push technique and/or an inquiry/response technique.
  • control begins with step 250.
  • control determines whether a vehicle is stopped in a public parking spot. The decision may be based on location and vector data samples and/or based on a parking indicator and location data. The determination that the parking spot is a public spot is based on the location data. If true, control indicates that the corresponding public parking spot is filled in step 254.
  • Control continues from steps 252 and 254 with step 256.
  • step 256 control determines whether a vehicle transitions from parking to moving. If step 256 is true, control starts a timer in step 258.
  • step 260 control indicates that a vehicle is leaving a public parking space. The timer is used to limit the amount of time that the parking space is identified as "vehicle leaving”.
  • step 260 control determines whether a timer for a vehicle is up. If step 262 is true, control changes a status of the parking space to unknown in step 264. Control continues from steps 262 and 264 with step 252.
  • Control begins with step 280.
  • control receives data from vehicles.
  • control determines an average speed on a thoroughfare portion that the vehicle is traveling on.
  • control determines whether the speed of each vehicle is less than a first speed threshold and the average speed on a thoroughfare is greater than a second speed threshold.
  • step 288 control triggers an inquiry via the remote service assistance system in step 290.
  • the traffic monitoring system notifies the main remote service assistance system to have a service assistant contact the driver of the vehicle.
  • the service assistant can determine whether or not there is a problem such as an accident or other operational problem and contact emergency personnel, roadside assistance and/or other assistance as needed.
  • step 294 control determines whether there are additional vehicles to evaluate. If step 294 is true, control returns to step 284. If step 294 is false, control returns to step 282.
  • FIG. 11 a display illustrating vehicle speeds on thoroughfares 298-1, 298-2, ... and 298-Z is shown.
  • the display 66 associated with the GPS system at 62 is shown.
  • Visual elements generally identified by 300-1, 300-2, ..., and 300-Y are provided on the map.
  • the visual elements indicate bottlenecks and/or other traffic on the main thoroughfares. Any suitable visual indication may be used to identify problems. For example, color, cross-hatching, shading, shapes, blinking and/or other techniques may be used to identify high traffic zones, low speed zones, construction zone, and/or accident zones.
  • visual element 300-3 may be rendered in red and flashing to signify an accident.
  • Speeds on the thoroughfare also provide an indication of a problem (e.g. the speeds decrease as the distance to the accident 300-3 decreases).
  • the display 60 of the GPS 62 can be used to identify available parking spaces 340-1, 340-2, ..., and 340-G in a selected area.
  • the traffic monitoring system may provide filled (F), leaving (L), open (O) and/or unknown (U) status data for parking spaces in a selected area. These indicators may be designated using any suitable visual indication.
  • the filled indicator is used when a vehicle with the GPS system parks in the spot and the traffic monitoring system does not receive data indicating that the vehicle has moved.
  • the unknown indicator is used when there is no information concerning the space and/or after a predetermined amount of time after a vehicle with a GPS system leaves a parking spot.
  • a leaving indicator is used within a predetermined time after a vehicle with a GPS system leaves a parking spot.
  • the leaving indicator may also be triggered when a vehicle with a GPS system starts its engine after a dwell period.
  • the open status is used when the space is open. In some implementations, the status is provided by smart parking meters 138. Spaces in smart parking lots 142 may also be shown at 342.
  • Control begins in step 300.
  • the traffic monitoring system receives data from vehicles.
  • the traffic monitoring system compares locations of the vehicles at the same time. Based on the location and time, the traffic monitoring system can determine whether an accident may have occurred. If the vehicles have substantially the same location at the same time, the traffic monitoring system may query the users to determine whether an accident has occurred in step 308. In other words, if two vehicles provide their location at a particular time and the locations conflict, the traffic monitoring system may assume that there is a possibiiity that an accident occurred and take action via the remote service assistance system.
  • Control begins in step 320.
  • step 324 fees are charged for subscription services. The fees can be based on the level of service that is requested.
  • step 328 data is collected from at least one of subscribing and non-subscribing vehicles and/or from smart parking meters and/or lots. In some implementations, data from other subscriber systems may be used.
  • step 332 data is analyzed and traffic, parking and other information is generated.
  • step 334 selected traffic, parking and/or other information is sent to subscribers based on subscribed services of the user. For example, some users may pay a subscription fee to receive traffic information but not parking information. Other subscribers may receive either parking information only or traffic and parking information.
  • the subscriber levels may also be differentiated based on geography, time of day and/or using other criteria. Control ends in step 338.
  • Control begins in step 340.
  • step 342 data is collected from at least one of subscribing and non-subscribing vehicles and/or from smart parking meters and/or lots.
  • step 344 data that is collected is analyzed and traffic, parking and other information is updated.
  • step 346 control determines whether a request for information is received. Alternately, the information can be pushed to the user based on the subscription of the user. If step 346 is false, control returns to step 342. If step 346 is true, control determines whether the user has a subscription for the requested information. If false, control prompts the user to obtain a subscription.
  • the subscriptions can be on a periodic basis, a pay-per-use basis or on any other basis. If step 348 is true, the requested information is sent to the subscriber.
  • encryption and/or other techniques may be used to prevent fraudulent access to the traffic and/or parking information.

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Claims (8)

  1. Verkehrsüberwachungssystem (50), das umfasst:
    ein Verkehrsinformationssystem in einer Vielzahl von Fahrzeugen, wobei das Verkehrsinformationssystem umfasst:
    ein GPS (Global Positioning System) (62, 62') zum selektiven Erzeugen von Standort- und Vektordaten;
    eine Sendeeinrichtung; und
    ein Steuermodul (65, 65') zum Empfangen der Standort- und Vektordaten sowie zum drahtlosen Senden der Standort- und Vektor-Daten unter Verwendung der Sendeeinrichtung;
    einen Speicher (110) zum Speichern von Verkehrsdaten; und
    ein Verkehrsüberwachungsmodul (112), das so eingerichtet ist, dass es die Standort- und Vektor-Daten für die Vielzahl von Fahrzeugen (20, 24) erfasst, wenn die Fahrzeuge auf einer ersten Gruppe vorgegebener Strassen fahren, die Standort- und Vektordaten in dem Speicher (110) speichert, die Standort- und Vektordaten analysiert und Verkehrsberichte für die erste Gruppe vorgegebener Strassen auf Basis der analysierten Standort- und Vektordaten erzeugt;
    dadurch gekennzeichnet, dass das Verkehrsüberwachungsmodul (112) des Weiteren so eingerichtet ist, dass es Fahrzeuge mit Funktionsstörungen identifiziert, indem es eine Geschwindigkeit jedes Fahrzeugs auf einer ersten Strasse mit einem ersten Geschwindigkeits-Schwellenwert vergleicht, eine durchschnittliche Verkehrsgeschwindigkeit auf der ersten Strasse mit einem zweiten Geschwindigkeits-Schwellenwert vergleicht und selektiv ein Fern-Dienstunterstützungssystem (Remote Service Assistance System) (133) auslöst, das mit einem Fahrer eines Fahrzeugs Kontakt aufnimmt, das eine Funktionsstörung aufweist, wenn die Geschwindigkeit des Fahrzeugs niedriger ist als der erste Geschwindigkeits-Schwellenwert und die durchschnittliche Verkehrsgeschwindigkeit höher ist als der zweite Geschwindigkeits-Schwellenwert.
  2. Verkehrsüberwachungssystem nach Anspruch 1, wobei das Verkehrsinformationssystem eine Empfangseinrichtung umfasst, die so eingerichtet ist, dass sie mit dem Steuermodul (65, 65') kommuniziert und drahtlos Verkehrsberichte von dem Fern-Verkehrsüberwachungsmodul (112) empfängt.
  3. Verkehrsüberwachungssystem nach Anspruch 1, wobei das Steuermodul (65, 65') so eingerichtet ist, dass es Richtungsänderungen des Fahrzeugs überwacht und die Vektor- und Standort-Daten sendet, wenn das Fahrzeug seine Richtung über einen Richtungsänderungs-Schwellenwert hinaus ändert, und Geschwindigkeitsänderungen des Fahrzeugs überwacht und die Standort- und Vektor-Daten sendet, wenn die Änderung der Fahrzeuggeschwindigkeit über einem Geschwindigkeitsänderungs-Schwellenwert liegt.
  4. Verkehrsüberwachungssystem nach Anspruch 1, wobei das Verkehrsüberwachungsmodul (112) des Weiteren so eingerichtet ist, dass es Standort- und Vektor-Daten empfängt, und eine erste Spur einer Strasse, die mehrere Spuren enthält, auf der sich das Fahrzeug befindet, auf Basis der Standort- und Vektor-Daten bestimmt.
  5. Verfahren zum Bereitstellen von Verkehrsinformationen, das umfasst:
    Empfangen von Standort- und Vektor-Daten von einer Vielzahl von Fahrzeugen, die auf einer ersten Gruppe von Strassen fahren;
    Analysieren der Standort- und Vektor-Daten;
    Erzeugen von Verkehrsberichten auf Basis der Standort- und Vektor-Daten;
    Diagnostizieren eines möglichen Problems bei einem ersten Fahrzeug unter Verwendung der Standort- und Vektor-Daten durch Vergleichen (288) einer Geschwindigkeit eines der Fahrzeuge auf einer ersten Strasse mit einem ersten Geschwindigkeits-Schwellenwert und Vergleichen einer durchschnittlichen Verkehrsgeschwindigkeit auf der ersten Strasse mit einem zweiten Geschwindigkeits-Schwellenwert; und
    Auslösen eines Fern-Dienstunterstützungssystems (Remote Service Assistance System) (133), das mit einem Fahrer des ersten Fahrzeugs Kontakt aufnimmt, wenn die Standort- und Vektor-Daten auf Basis des Vergleichs ein mögliches Problem anzeigen.
  6. Verfahren nach Anspruch 5, das des Weiteren wenigstens umfasst:
    Empfangen von Anforderungen der Verkehrsberichte von den Fahrzeugen und Senden der Verkehrsberichte zu Abonnenten der Verkehrsberichte; und
    Zustellen der Verkehrsberichte zu den Abonnenten im Push-Verfahren.
  7. Verfahren nach Anspruch 5, das des Weiteren umfasst, dass den Abonnenten die Verkehrsinformationen in Rechnung gestellt werden.
  8. Verfahren nach Anspruch 5, wobei der Verkehrsbericht Verkehrsgeschwindigkeits-Informationen für Verkehr auf wenigstens einer Strasse der ersten Gruppe von Strassen enthält.
EP06011022A 2005-06-30 2006-05-29 Verkehrsüberwachungssystem auf GPS-Basis Active EP1742191B1 (de)

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US11/171,563 US9047765B2 (en) 2005-06-30 2005-06-30 GPS-based traffic monitoring system
US11/239,915 US7260472B2 (en) 2005-06-30 2005-09-30 GPS-based traffic monitoring system
US11/239,942 US20070005226A1 (en) 2005-06-30 2005-09-30 GPS-based traffic monitoring system
US11/240,047 US20070005227A1 (en) 2005-06-30 2005-09-30 GPS-based traffic monitoring system
US11/338,978 US20070005228A1 (en) 2005-06-30 2006-01-25 GPS-based traffic monitoring system

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US9857182B2 (en) 2008-06-25 2018-01-02 Tomtom International B.V. Navigation device and method for providing parking place availability

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JP5025993B2 (ja) 2012-09-12
SG128558A1 (en) 2007-01-30
JP2007026424A (ja) 2007-02-01
EP1742191A3 (de) 2009-04-22
EP1742191A2 (de) 2007-01-10

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