EP0939945B1 - Procede de selection et de filtrage d'informations sur la circulation routiere - Google Patents

Procede de selection et de filtrage d'informations sur la circulation routiere Download PDF

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Publication number
EP0939945B1
EP0939945B1 EP97935443A EP97935443A EP0939945B1 EP 0939945 B1 EP0939945 B1 EP 0939945B1 EP 97935443 A EP97935443 A EP 97935443A EP 97935443 A EP97935443 A EP 97935443A EP 0939945 B1 EP0939945 B1 EP 0939945B1
Authority
EP
European Patent Office
Prior art keywords
user
traffic data
traffic
location
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.)
Expired - Lifetime
Application number
EP97935443A
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German (de)
English (en)
Other versions
EP0939945A1 (fr
Inventor
Rolf Beyer
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.)
Telekom Deutschland GmbH
Original Assignee
DeTeMobil Deutsche Telekom Mobilnet GmbH
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
Application filed by DeTeMobil Deutsche Telekom Mobilnet GmbH filed Critical DeTeMobil Deutsche Telekom Mobilnet GmbH
Publication of EP0939945A1 publication Critical patent/EP0939945A1/fr
Application granted granted Critical
Publication of EP0939945B1 publication Critical patent/EP0939945B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G08G1/093—Data selection, e.g. prioritizing information, managing message queues, selecting the information to be output
    • 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 for selection and Filtering traffic information, preferably for Application in a mobile radio Traffic information service.
  • Traffic information service such as in the GSM mobile network D1 in the context of computerized traffic telematics services should or will be realized.
  • Traffic information can also be called up via the mobile network be from a corresponding terminal, the for example according to the industry standard "IntraGSM" is equipped, can be received and displayed.
  • US-A-4,812,843 relates to a traffic information system, where the participant is on the phone, mobile phone or Computer can query traffic information.
  • the Traffic information is sorted by streets or Areas held in a central office, the Participants by selecting the desired street or Query the relevant traffic information can. However, the participant cannot make the assignment certain streets to a street or the size and Select the location of the areas. These are fixed and can be queried via an assigned identifier.
  • the Traffic information system does not take into account the Location or the direction of travel of a mobile participant. It there is no automatic adjustment of the Traffic information at the location and direction of travel of the Participant.
  • DE-C1-41 05 584 discloses a traffic information system, the information being transmitted over a radio telephone network he follows.
  • the traffic information in one Service center collected and edited, the user this via a suitable mobile terminal from the Service center can retrieve.
  • Run in the headquarters various traffic information on as well Information about the location of the participants, so that under Taking into account the user's location Traffic information can be prepared user-specifically can.
  • DE-A1-43 21 437 relates to a method for Traffic regulation and to determine more targeted Traffic information on board motor vehicles. In doing so the journey information entered in vehicles with over Radio captured traffic information and other data processed and destination-specific Traffic information created. The evaluation of the trip data and traffic information takes place autonomously in the vehicle, where the information about traffic obstacles, Construction sites, road maps etc. via memory cards or CD-ROMs must be read. The disadvantage here is that these storage media need to be updated constantly receive reliable and up-to-date traffic information.
  • EP-A-715 285 describes a method for reducing a to be transferred from the vehicles of a vehicle fleet Amounts of data known. Through control-technical specifications the amount of data can determine the time of the data to be transferred be kept low.
  • the object of the invention is to provide a method for Selection and filtering of traffic information propose by which the user individually prepared and only relevant information for him be transmitted.
  • An essential feature of the invention is that the user Choice of several traffic information modes receives so that it is the most interesting or direct for him can call up traffic information concerning him.
  • the Traffic data are filtered in such a way that from a variety of traffic information only reach the user who are important to him.
  • Selecting modes 1 and 2 requests information from the immediate vicinity of the user's location. With the selection "local” or “regional” the user defines the relative size of the area over which he wants to receive traffic information as well as priorities / focal points when selecting information.
  • the third mode allows the user to query targeted traffic information, ie tailored to his direction of travel or his destination. For this purpose, the user selects a destination by means of a module “TARGET INQUIRY” under communication with the service center. As part of the destination request, the coordinates of the destination are to be transmitted to the terminal. The user can save the selected destination in his digital "address book" in the terminal. Telephone prefixes or postcode regions (numbers 1 + 2 of the postcode) can also be entered as the destination. Based on the current location and the destination, an individual reference range for the traffic information is determined in the headquarters. The relevant traffic information is transmitted from the head office to the vehicle via a GSM mobile network.
  • the information is displayed as text on the display of the prepared terminal.
  • the user can select the individual traffic information (data records).
  • the user has an "automatic mode", in which the message about the closest fault (s) in the direction of travel appears on the display.
  • the user can activate a voice output in the query menu for traffic information or in the basic configuration menu. If this function is active, the relevant traffic information is also recorded in voice form on a voice mailbox and can thus be called up by the user.
  • the voice mailbox automatically informs the user of the presence of new messages. The user then initiates the query of the mailbox.
  • the traffic information is collected and processed in the traffic department of the service center.
  • the available information (data records) are sorted and made available according to a geographical grid (partial areas) in order to enable a quick and easy query.
  • the data records contain information on the type, priority and direction vector of the fault, as well as geographical information on the fault.
  • a target address TARGET POSITION is also required, which is either determined by the service center by determining in which radio cell of the mobile radio system the user is, or is determined by a GPS location system that is integrated in the terminal or vehicle and transmits the exact position data to the service center.
  • the size of the reference area to be assigned ie the number of sub-areas (grid squares) about which traffic information is to be provided, depends on the density of the (long-distance) road segments in the area of the START-POSITION.
  • the selected information is transmitted in data form to the vehicle-side terminal.
  • voice output is activated, the traffic information is converted into voice form and transferred to a voice mailbox.
  • PVD 4 lowest traffic density.
  • the size of the reference area is calculated with PVD, whereby the reference areas are larger in rural areas than in urban areas.
  • the traffic density parameter PVD can be assigned as follows: PVD scope of application 0 (Reserve) 1 Conurbations 2 Cities and peripheral areas of metropolitan areas 3rd other regions 4th (Reserve)
  • conversion parameters can be used for the grid squares for directional vectors to be given geographical Special features when filtering the information later to take into account (see below).
  • the data records are each assigned to one or possibly several (at large-scale disturbances) assigned to grid squares.
  • the basis for the selection of information consists of all available actual information and forecast data for the Period of the next few hours.
  • This information is the assigned affected grid squares in a database. Basically, information can be found in all detail zones (Highways to urban area) are processed there Filtering functions are defined and thus the danger there is no "showering with information”.
  • Figure 1 shows an example of the menu structure of the Terminal-side application u.
  • the main menu offers an option "V-Info" the selection of the traffic service. You get into that Submenu "V-Info” and can switch between three area modes, according to local, regional or targeted Select traffic information. Will be the most targeted Information selected, the "Destination" selection menu must desired destination can be entered. This can be done by Specification of the target coordinates, a corresponding one Telephone number or the postcode of the destination.
  • the traffic information is available as text or on request output as voice information.
  • FIG. 2 shows the application environment of the traffic information service.
  • a traffic editorial office is provided according to the invention, in which the traffic information from a wide variety of sources accumulates, is processed and processed.
  • the traffic data are linked to a digital map and individual geographic "grid squares" are assigned to this map.
  • V-Info the traffic data can be queried by the road user via the GSM mobile radio network.
  • the query and the exchange of information is controlled by a communication server, which establishes the connection between the telecommunications system at the headquarters and the GSM system or the vehicle. If the user desires a voice output, the traffic information is spoken to the voice mailbox by means of a speech generator, and can then be called up / listened to by the user via his terminal.
  • FIGS. 3A and 3B show a flow diagram of a vehicle-side traffic service query.
  • the user will via his end device with the help of a menu navigation through the Traffic information query directed.
  • the flow chart is self-explanatory and gives detailed insights into the Menu structure and its links as a supplement to the rough Overview in Figure 1.
  • the starting square (grid map) and the associated traffic density parameter PVD are determined from the START POSITION.
  • the parameter PVD of the grid square also influences the size of the reference area in order to take the traffic density into account when determining the size of the reference area.
  • the determination of the reference range for the query mode "vek” is explained with reference to FIG. 6.
  • the start square (grid map) and the associated PVD are determined from the START POSITION. With the additional transferring TARGET POSITION, a direction vector is generated.
  • the parameter PVD of the grid square also influences the size of the reference area in order to take the traffic density into account when determining the size of the reference area.
  • the reference area is not symmetrical around the starting grid square, but shifted towards the TARGET POSITION placed.
  • VD urban area
  • VImod 4
  • From FIG. 6 it can be seen that the reference area is 7 x 7 grid squares. With a grid of e.g. 10 km, this would mean an area with a radius of approx. 35 km. The center of the reference area is offset from the starting grid square by two grid units in a south-easterly direction.
  • the information of the reference area is based on redundancy checked. Using the reference numbers assigned to each one Traffic information record have been assigned, the system Exclude multiple answers.
  • the determined reference ranges consist of individual grid squares. These grid squares current traffic information from the traffic department assigned.
  • the filtered information of the reference area is output as data records.
  • each data record also contains the position of the respective fault in order to enable the position-dependent and direction-dependent display of the information in the vehicle's end device (automatic mode).
  • the position can be a point or a geometric figure.
  • the output message (TINFO_response) is generated from the data records and transferred to the communication server together with the subscriber identity (T-ID).
  • Parameter info_audio on is set and messages (after the Filtering) for the reference range, these are in implemented a voice message.
  • Speech generator used with a standard vocabulary.
  • the text of information can also be provided by one Operator can be spoken to.

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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)
  • Mobile Radio Communication Systems (AREA)
  • Navigation (AREA)
  • Circuits Of Receivers In General (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)

Claims (18)

  1. Procédé pour sélectionner et filtrer des informations routières dans un service d'informations routières par radiocommunication mobile, selon lequel les informations routières sont recueillies dans une rédaction routière d'un centre de service, sont traitées en tenant compte de la position actuelle d'un utilisateur et sont transmises à celui-ci à sa demande par le réseau de radiocommunication mobile,
       caractérisé en ce que l'utilisateur, en fonction de l'étendue souhaitée des informations routières, peut sélectionner au choix différents modes d'interrogation, grâce à un terminal de radiocommunication mobile approprié, et consulter ainsi auprès du centre de service des informations routières ayant des contenus différents, le contenu des informations routières consultées étant préparé par le centre de service spécifiquement pour l'utilisateur compte tenu du mode d'interrogation sélectionné, de la position actuelle et/ou de l'indication d'une destination, et grâce à un filtrage adéquat.
  2. Procédé selon la revendication 1, caractérisé en ce que le centre de service dispose d'une carte routière numérique qui est divisée en surfaces partielles géographiques, par exemple en surfaces quadrillées, les informations routières préparées par la rédaction routière étant affectées aux surfaces partielles correspondantes.
  3. Procédé selon la revendication 1 ou 2,
    caractérisé en ce que grâce au centre, on localise grossièrement l'utilisateur en définissant la cellule radio dans laquelle il se trouve actuellement.
  4. Procédé selon l'une des revendications 1 à 3,
    caractérisé en ce qu'on localise l'utilisateur à l'aide d'un système de repérage GPS qui est intégré dans le terminal ou dans un véhicule et dont les données sont transmises au centre de service.
  5. Procédé selon l'une des revendications 1 à 4,
    caractérisé en ce que la position de l'utilisateur qui est déterminée est affectée à une surface partielle correspondante de la carte numérique.
  6. Procédé selon l'une des revendications 1 à 5,
    caractérisé en ce qu'il est prévu un mode d'interrogation local, dans lequel l'utilisateur obtient des informations routières locales par rapport à sa position.
  7. Procédé selon l'une des revendications 1 à 6,
    caractérisé en ce qu'il est prévu un mode d'interrogation régional, dans lequel l'utilisateur obtient des informations routières régionales par rapport à sa position.
  8. Procédé selon l'une des revendications 1 à 7,
    caractérisé en ce que l'utilisateur entre sa destination en indiquant des coordonnées, un numéro de téléphone ou le code postal du lieu de destination, et ces données sont ensuite transmises au centre de service et affectées à une surface partielle correspondante de la carte numérique.
  9. Procédé selon l'une des revendications 1 à 8,
    caractérisé en ce qu'il est prévu un mode d'interrogation ciblé, dans lequel l'utilisateur, compte tenu de sa position et de sa destination, obtient les informations routières qui sont importantes pour le trajet prévu.
  10. Procédé selon l'une des revendications 1 à 9,
    caractérisé en ce que le filtrage des informations routières se fait à l'aide des vecteurs directionnels déterminés à partir de la direction du trajet qui est prévue ou connue.
  11. Procédé selon l'une des revendications 1 à 10,
    caractérisé en ce que dans les modes d'interrogation local et régional, tous les vecteurs directionnels partant radialement de la position du véhicule sont pris en compte pour le filtrage des informations routières.
  12. Procédé selon l'une des revendications 1 à 11,
    caractérisé en ce que dans le mode d'interrogation ciblé, c'est essentiellement le vecteur directionnel allant de la position actuelle vers la destination qui est pris en compte pour le filtrage.
  13. Procédé selon l'une des revendications 1 à 12,
    caractérisé en ce que le filtrage des informations routières est effectué grâce au fait qu'en fonction du mode d'interrogation sélectionné, seules les informations routières concernant des catégories de routes individuelles ou plusieurs catégories de routes (par exemple départementales, nationales, autoroutes ...) sont prises en compte.
  14. Procédé selon l'une des revendications 1 à 13,
    caractérisé en ce qu'un paramètre de densité de trafic (PVD) est affecté à chaque surface partielle de la carte numérique.
  15. Procédé selon l'une des revendications 1 à 14,
    caractérisé en ce qu'on définit une zone de référence d'informations routières (Vol_VIréf.) qui est déterminée de la manière suivante à partir du mode d'interrogation sélectionné (Vimod) et d'un paramètre de densité de trafic (PVD) affecté à la surface partielle correspondante de la position du véhicule : Vol_VIréf. = PVD + VImod.
  16. Procédé selon l'une des revendications 1 à 15,
    caractérisé en ce que la zone de référence d'informations routières définit le rayon, autour de la position de l'utilisateur, sur lequel les informations routières doivent porter.
  17. Procédé selon l'une des revendications 1 à 16,
    caractérisé en ce que les informations routières sont sorties sous forme de texte dans le terminal prévu côté utilisateur.
  18. Procédé selon l'une des revendications 1 à 17,
    caractérisé en ce que les informations routières sont sorties sous une forme vocale dans le terminal prévu côté utilisateur.
EP97935443A 1996-07-22 1997-07-21 Procede de selection et de filtrage d'informations sur la circulation routiere Expired - Lifetime EP0939945B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19629233 1996-07-22
DE19629233A DE19629233C2 (de) 1996-07-22 1996-07-22 Verfahren zur Auswahl und Filterung von Verkehrsinformationen
PCT/DE1997/001531 WO1998003951A1 (fr) 1996-07-22 1997-07-21 Procede de selection et de filtrage d'informations sur la circulation routiere

Publications (2)

Publication Number Publication Date
EP0939945A1 EP0939945A1 (fr) 1999-09-08
EP0939945B1 true EP0939945B1 (fr) 2001-09-05

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EP97935443A Expired - Lifetime EP0939945B1 (fr) 1996-07-22 1997-07-21 Procede de selection et de filtrage d'informations sur la circulation routiere

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EP (1) EP0939945B1 (fr)
AT (1) ATE205322T1 (fr)
AU (1) AU3846197A (fr)
DE (2) DE19629233C2 (fr)
DK (1) DK0939945T3 (fr)
ES (1) ES2163794T3 (fr)
WO (1) WO1998003951A1 (fr)

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Also Published As

Publication number Publication date
DE19629233C2 (de) 2003-08-07
ES2163794T3 (es) 2002-02-01
EP0939945A1 (fr) 1999-09-08
AU3846197A (en) 1998-02-10
DE59704555D1 (de) 2001-10-11
WO1998003951A1 (fr) 1998-01-29
ATE205322T1 (de) 2001-09-15
DE19629233A1 (de) 1998-01-29
DK0939945T3 (da) 2001-12-17

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