EP0849718A1 - Procédé et dispositif pour transmettre des informations routières relatives à un réseau de transport et représentant des situations routières d'un centre de trafic à un terminal dans un véhicule - Google Patents

Procédé et dispositif pour transmettre des informations routières relatives à un réseau de transport et représentant des situations routières d'un centre de trafic à un terminal dans un véhicule Download PDF

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Publication number
EP0849718A1
EP0849718A1 EP97250359A EP97250359A EP0849718A1 EP 0849718 A1 EP0849718 A1 EP 0849718A1 EP 97250359 A EP97250359 A EP 97250359A EP 97250359 A EP97250359 A EP 97250359A EP 0849718 A1 EP0849718 A1 EP 0849718A1
Authority
EP
European Patent Office
Prior art keywords
traffic
terminal
data
route
traffic information
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.)
Withdrawn
Application number
EP97250359A
Other languages
German (de)
English (en)
Inventor
Thomas Kummernuss
Dieter Kuske
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.)
Vodafone GmbH
Original Assignee
Mannesmann AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE19750774A external-priority patent/DE19750774A1/de
Application filed by Mannesmann AG filed Critical Mannesmann AG
Publication of EP0849718A1 publication Critical patent/EP0849718A1/fr
Withdrawn legal-status Critical Current

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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
    • G08G1/096708—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
    • G08G1/091—Traffic information broadcasting
    • G08G1/092—Coding or decoding of the information
    • 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

Definitions

  • the invention relates to a method and a device for transmitting a Traffic network, representing the traffic situation Traffic information from a traffic control center to a terminal of a vehicle.
  • Traffic information can be obtained in a traffic center based on data from Traffic control centers, state registration offices, stationary detectors and / or mobile detectors are created and transmitted to a terminal.
  • the transmission can take place via a radio channel or by radio, in particular mobile radio.
  • Transmitted traffic data can be used in the vehicle, in particular to inform the driver Device user in the vehicle about the traffic situation in the direction of travel and / or be used for route planning in the navigation device of the vehicle.
  • the object of the present invention is to optimize the transmission to efficient information of a terminal user and / or for machine Further processing.
  • the task is carried out by the subjects of the independent Claims resolved.
  • the quantification of the traffic situation in the form of quantified speeds speed data representing route segments an efficient, high-quality information of the end user about the before him lying route. By transmitting traffic information to several Route segments of a route are optimally informed to the end user. You can choose between two junctions, junctions, runs, etc. several route segments can be defined.
  • the quantification of the Traffic information in the form of quantified speeds in route segments representative speed data are used to describe the Traffic situation in route segments and thus for consideration in the machine route calculation particularly suitable.
  • the speed data can be the speed in one Distance segment or the reciprocal of the speed, i.e. travel times, include.
  • the speed data is of a type the initialization sequence (header) defining the data following it.
  • an initialization sequence can determine which type the information below is. So an initialization sequence can specify whether text selection data for the end device selection of a standardized text a text table in the terminal with several standardized texts and / or one any, not predefined text (free text) and / or graphic selection data for Device-side selection of a graphic symbol for display from a graphic file with multiple graphic symbols.
  • the length of the initialization sequence can be specified. You can certain bit combination of the initialization sequence is still undefined and for later retrofits or redefinitions can be used as stock.
  • the initialization sequence can also have various characterizing parameters (flags) include.
  • it can provide data on the priority of the Traffic information and the urgency and type of further processing in the Terminal, data on the regional relevance of the traffic information and the like include.
  • an initialization sequence can in particular indicate which Basic unit (1 km / h; 10 km / h; 10 ° C etc.) following numerical data, especially speed data to be multiplied.
  • speed data Through the transmission of speed data as a factor with which a basic unit on the terminal side to be multiplied, the amount of information to be transmitted can be optimized.
  • the method according to the invention is in a control center and in a terminal particularly feasible as a program.
  • FIG. 1 shows a street 1 on which a vehicle 2 is moving in the direction of the arrow 3 moved. Further entrances and exits 4, 5, 6 turn off road 1.
  • a Terminal in vehicle 2 receives from a traffic control center 7 by radio, here mobile radio, Traffic information 8 on the traffic condition in the direction of travel 3 before Vehicle lying route.
  • the route is here at the headquarters and in Terminal divided into several segments S1, S2, S3, each of which Traffic information is transmitted to the terminal.
  • the Traffic information especially speeds of traffic in the Speed data representing segments S1 to S3, that is Information representing speed or travel times.
  • the Speeds quantified transmitted to each segment of the route are examples of the Speed data representing segments S1 to S3, that is Information representing speed or travel times.
  • the route segment S1 becomes an average speed there moving vehicles from 30 km / h to route segment S2 a medium one Speed of 40 km / h and a medium distance to S3 segment Transmission speeds of 100 km / h.
  • the transmission of speeds or travel times to individual segments optimizes the information of the user of the terminal in vehicle 2 and the calculation of routes there under certain circumstances. including travel times or the like.
  • the control center 7 can provide information from which it creates traffic information to be transmitted to the terminal, from any Obtain sources, in particular from traffic control centers, state registration offices and / or stationary detectors and / or vehicles traveling in traffic.
  • FIG. 2 shows an example of the structure of the central office 7 of an information provider traffic information transmitted to a terminal in a vehicle 2.
  • the traffic information transmitted comprises an initialization sequence, ie a header, as well as data on route segments.
  • the header defines the type and interpretation of the information that follows it. To track segments data defining a route segment and data on the Traffic condition in the route segment, especially the speed in Data representing route segment.
  • the header i.e. the initialization sequence
  • the sequence 000 what means that coded numeric data sequences follow. That's why they are following data on route segments in the terminal in a table looked up and the speeds assigned in the table for the respective route segment accepted and the user of the terminal shown.
  • a navigator can use the data according to the initialization sequence interpret and take into account when calculating the route.
  • the section segment 1 becomes section segment 1 here in section 9 defining data and data on speed in route segment 1 are defined.
  • the information also includes the direction in which a line segment of one Traffic disorder is affected.
  • Data representing the speed can for example five-digit binary digits, which are quantified into 32 Enable levels, i.e. 32 speeds and / or other data, such as fog, Black ice, smog, wrong-way drivers etc.
  • Control sequence i.e. a checksum, transmitted, which for detection and possibly correction of transmission errors between the control center 7 and the Vehicle 2 is used.
  • the transmission from the traffic center of an information provider to a Terminal can be targeted (point-to-point), e.g. by GSM-SMS, or non-directional (broadcast), e.g. by DAB.
  • point-to-point e.g. by GSM-SMS
  • non-directional (broadcast) e.g. by DAB.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Traffic Control Systems (AREA)
EP97250359A 1996-12-16 1997-11-26 Procédé et dispositif pour transmettre des informations routières relatives à un réseau de transport et représentant des situations routières d'un centre de trafic à un terminal dans un véhicule Withdrawn EP0849718A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19653687 1996-12-16
DE19653687 1996-12-16
DE19750774 1997-11-10
DE19750774A DE19750774A1 (de) 1996-12-16 1997-11-10 Verfahren und Vorrichtung zum Übermitteln von ein Verkehrsnetz betreffenden, die Verkehrssituation repräsentierenden Verkehrsinformationen von einer Verkehrszentrale an ein Endgerät eines Fahrzeuges

Publications (1)

Publication Number Publication Date
EP0849718A1 true EP0849718A1 (fr) 1998-06-24

Family

ID=26032619

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97250359A Withdrawn EP0849718A1 (fr) 1996-12-16 1997-11-26 Procédé et dispositif pour transmettre des informations routières relatives à un réseau de transport et représentant des situations routières d'un centre de trafic à un terminal dans un véhicule

Country Status (1)

Country Link
EP (1) EP0849718A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0290679A1 (fr) * 1987-05-09 1988-11-17 Koninklijke Philips Electronics N.V. Dispositif de réception et de traitement de messages d'information routière
EP0292897A2 (fr) * 1987-05-25 1988-11-30 Siemens Aktiengesellschaft Méthode d'évaluation du temps de voyage mesuré dans des véhicules au moyen d'un dispositif de guidage et d'informations dans un système de guidage et d'informations
EP0300205A2 (fr) * 1987-07-24 1989-01-25 Robert Bosch Gmbh Méthode de reproduction sélective suivant l'itinéraire de messages routiers ainsi que récepteur pour véhicule
EP0384794A1 (fr) * 1989-02-03 1990-08-29 Urba 2000 Système de collecte et de diffusion d'informations sur la circulation et le stationnement de véhicules de transport, notamment pour automobilistes
US5164904A (en) * 1990-07-26 1992-11-17 Farradyne Systems, Inc. In-vehicle traffic congestion information system
WO1993018495A1 (fr) * 1992-03-13 1993-09-16 Robert Bosch Gmbh Recepteur de radiodiffusion pour la circulation routiere

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0290679A1 (fr) * 1987-05-09 1988-11-17 Koninklijke Philips Electronics N.V. Dispositif de réception et de traitement de messages d'information routière
EP0292897A2 (fr) * 1987-05-25 1988-11-30 Siemens Aktiengesellschaft Méthode d'évaluation du temps de voyage mesuré dans des véhicules au moyen d'un dispositif de guidage et d'informations dans un système de guidage et d'informations
EP0300205A2 (fr) * 1987-07-24 1989-01-25 Robert Bosch Gmbh Méthode de reproduction sélective suivant l'itinéraire de messages routiers ainsi que récepteur pour véhicule
EP0384794A1 (fr) * 1989-02-03 1990-08-29 Urba 2000 Système de collecte et de diffusion d'informations sur la circulation et le stationnement de véhicules de transport, notamment pour automobilistes
US5164904A (en) * 1990-07-26 1992-11-17 Farradyne Systems, Inc. In-vehicle traffic congestion information system
WO1993018495A1 (fr) * 1992-03-13 1993-09-16 Robert Bosch Gmbh Recepteur de radiodiffusion pour la circulation routiere

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