WO2000022594A1 - Method for processing road or urban traffic data from a vehicle onboard terminal connected by radio relay channel to a remote site - Google Patents

Method for processing road or urban traffic data from a vehicle onboard terminal connected by radio relay channel to a remote site Download PDF

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Publication number
WO2000022594A1
WO2000022594A1 PCT/FR1999/002471 FR9902471W WO0022594A1 WO 2000022594 A1 WO2000022594 A1 WO 2000022594A1 FR 9902471 W FR9902471 W FR 9902471W WO 0022594 A1 WO0022594 A1 WO 0022594A1
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WO
WIPO (PCT)
Prior art keywords
vehicle
information
remote site
terminal
message
Prior art date
Application number
PCT/FR1999/002471
Other languages
French (fr)
Inventor
Roland Moreno
Original Assignee
Innovatron
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 Innovatron filed Critical Innovatron
Priority to AU60961/99A priority Critical patent/AU6096199A/en
Publication of WO2000022594A1 publication Critical patent/WO2000022594A1/en

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/123—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams
    • G08G1/127—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams to a central station ; Indicators in a central station

Definitions

  • the present invention relates to the processing and display of road or urban traffic information from a terminal on board a vehicle and connected by radio to a remote site, in particular for informing drivers of the state of traffic and as a guide aid in choosing a route.
  • Various guidance devices are known, in particular using modern means of GPS type satellite location.
  • Certain devices, in particular those equipping taxis, are also equipped with an information return channel to a central office by specific or non-specific radio means (of GSM type).
  • GSM type radio means
  • the object of the invention is to allow a certain number of vehicles, in particular taxis, to contribute to updating, in real time, traffic status information, this for the benefit of the motoring community, as soon as possible. when these are equipped with means for receiving traffic status information.
  • the method of the invention comprises, for this purpose, the steps consisting in: a) delivering, from the terminal to the remote site, a traffic incident signaling message, comprising vehicle identification information and / or driver and vehicle location information; b) at the remote site, reception of the signaling message and verification of this message; and c) in the event of correct verification, entry of information on the award of the bonus for the benefit of the driver who sent the message.
  • step c) comprises the transmission, from the remote site to the vehicle, of a premium allocation message and the recording of the premium allocation information in the memory of a microcircuit card inserted in a reader of the terminal on board the vehicle.
  • the verification step b) may include cross-checking the signaling message with other similar messages containing similar location information, the premium being awarded in step c) to that of the drivers who first issued a signaling message, and / or the confrontation of the signaling message with information representative of the traffic flow in a sector corresponding to the location information.
  • step a provision can be made for the driver to introduce a personal identification number and compare this number with a corresponding code stored in a microcircuit card inserted in a reader of the terminal on board the vehicle.
  • the method further comprises a step d) of transmitting, from the remote site to the vehicle terminal as well as to other vehicles, information for updating map displayable data on the state of the traffic in a sector corresponding to the location information.
  • FIG. 1 schematically represents the equipment with which the vehicle is fitted.
  • FIG. 2 is a flowchart explaining the general operating process of the system of the invention
  • the vehicle is equipped with a multifunction electronic terminal 2, a device now standard in all taxis affiliated with a telephone service.
  • This terminal includes a display, various selection buttons and a numeric keypad. It cooperates with a location device 4, typically a GPS device making it possible to determine with exact precision the exact position of the vehicle in the coverage area. It also cooperates with transmitter / receiver means 6 allowing the reception of data from a central site and the return of information, in particular of location, race acceptance, etc., to this same central site.
  • this terminal 2 is associated with a box specific 8 including:
  • a button 10 allowing the driver to signal a traffic problem (traffic jam) by an elementary gesture: a simple press;
  • a connector 12 for a smart card 14 making it possible to identify the driver and to credit his account according to a principle which will be described below;
  • the multifunction terminal 2 is in fact used here as a simple interface between the specific box 8 and the location means 4, the transmission-reception means 6 and the keyboard of the terminal for the possible introduction of digital data. Terminal 2 is thus not modified in its operation and the current fleet of terminals can be used without substantial modification. Of course, it is also possible to group elements 2 and 8 into a single combined terminal managing all of the functions, specific to the invention or not.
  • Figure 2 shows the sequence of the various stages of operation of the system. First, in the event of a traffic jam (step 20), the driver presses button 10 (step 22), which has the effect of sending traffic congestion information to a central point.
  • the system identifies the driver by reading and checking the smart card 14 inserted in the terminal, this in order to avoid the risks of untimely signaling by mystifiers, parasites of all kinds, etc. If necessary, it is possible to provide at this stage a test (step 26) of carrier code, the driver then having to type on his keyboard a personal identification code compared by the card with that which it keeps in memory, in order to authenticate the traffic congestion information transmitted to the remote site.
  • All of the information is received at the central site by the system, which automatically performs a certain number of checks (steps 28 and 30) such as: - concordance with calls from other drivers in the same area;
  • an incentive system can be provided in order to reward the drivers who took care, first, to report congestion really existing (that is to say after verification by steps 28 and 30), for example by crediting points (steps 32 and 34) in the driver's smart card 14 after pressing button 10.
  • the information after verification can be used to update a city map (step 36) which will be broadcast over the air (step 38) to all the vehicles participating in the system, as well as to other vehicles, for example vehicles equipped with a simplified guidance system operating in one direction, that is to say receiving information (for example by RDS channel) but without return path.
  • the blocked or difficult arteries may advantageously appear highlighted (step 40) on the graphic screen 16.
  • the system according to the invention can be extended, according to the same principles, to all of the vehicles circulating in the city:
  • the incentive system is, in fact, likely to interest a large population of people, thanks mainly to procedures 28, 30 and 32, capable of justifying the payment, by the municipal authority, of points and / or compensation explicit financial.
  • the points credited can in particular be free parking points, corresponding to units usable in card parking meters.
  • the card can then be a "bifunction" (or “multifunction") type card, for example of the same type as that described in French application 98 07578 of June 16, 1998, in the name of the Applicant, for "Process and system using a microcircuit card in a plurality
  • the card is capable of two alternative configurations: either a card for implementing the invention when it is inserted in a car terminal, or a parking card when it is inserted in a
  • a principle of solidarity would therefore be instituted against nuisances linked to urban traffic:
  • the invention therefore offers, in summary, real progress in the function proper, for the benefit of users as well as the community.

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)

Abstract

The invention concerns a method comprising steps which consist in: a) delivering, from the terminal to the remote site, a message indicating a traffic incident, comprising an information identifying the vehicle and/or the driver and an information locating the vehicle; b) at the remote site, receiving the signalling message and verifying same; c) in case of compliance, posting an information allocating a premium in favour of the driver responsible for the message, in particular by transmitting, from the remote site to the vehicle, a premium-allocating message and posting the premium-allocating information in a microcircuit card memory inserted in a reading unit of the vehicle onboard terminal.

Description

Procédé de traitement d'informations de circulation routière ou urbaine à partir d'un terminai embarqué dans un véhicule et relié par voie hertzienne à un site distant Method for processing road or urban traffic information from a terminal on board a vehicle and connected over the air to a remote site
La présente invention concerne le traitement et l'affichage d'informations de circulation routière ou urbaine à partir d'un terminal embarqué dans un véhicule et relié par voie hertzienne à un site distant, notamment pour informer les conducteurs de l'état du trafic et comme aide au guidage dans le choix d'un itinéraire. On connaît divers dispositifs de guidage, utilisant notamment les moyens modernes de localisation par satellite de type GPS. Certains dispositifs, notamment ceux équipant les taxis, sont également équipés d'une voie de retour d'informations vers un central par des moyens hertziens spécifiques ou non spécifiques (de type GSM). L'invention a pour objet de permettre à un certain nombre de véhicules, tout particulièrement les taxis, de contribuer à la mise à jour, en temps réel, des informations d'état du trafic, ceci au bénéfice de la communauté des automobilistes, dès lors que ceux-ci sont équipés de moyens de réception d'informations d'état du trafic. Le procédé de l'invention comporte, à cet effet, les étapes consistant à : a) délivrer, depuis le terminal vers le site distant, un message de signalisation d'incident de trafic, comportant une information d'identification de véhicule et/ou de chauffeur et une information de localisation du véhicule ; b) au site distant, réception du message de signalisation et vérifica- tion de ce message ; et c) en cas de vérification conforme, inscription d'une information de d'attribution de prime au bénéfice du chauffeur à l'origine du message.The present invention relates to the processing and display of road or urban traffic information from a terminal on board a vehicle and connected by radio to a remote site, in particular for informing drivers of the state of traffic and as a guide aid in choosing a route. Various guidance devices are known, in particular using modern means of GPS type satellite location. Certain devices, in particular those equipping taxis, are also equipped with an information return channel to a central office by specific or non-specific radio means (of GSM type). The object of the invention is to allow a certain number of vehicles, in particular taxis, to contribute to updating, in real time, traffic status information, this for the benefit of the motoring community, as soon as possible. when these are equipped with means for receiving traffic status information. The method of the invention comprises, for this purpose, the steps consisting in: a) delivering, from the terminal to the remote site, a traffic incident signaling message, comprising vehicle identification information and / or driver and vehicle location information; b) at the remote site, reception of the signaling message and verification of this message; and c) in the event of correct verification, entry of information on the award of the bonus for the benefit of the driver who sent the message.
Très avantageusement, l'étape c) comprend la transmission, depuis le site distant vers le véhicule, d'un message d'attribution de prime et l'inscrip- tion de l'information d'attribution de prime dans la mémoire d'une carte à microcircuit insérée dans un lecteur du terminal embarqué dans le véhicule.Very advantageously, step c) comprises the transmission, from the remote site to the vehicle, of a premium allocation message and the recording of the premium allocation information in the memory of a microcircuit card inserted in a reader of the terminal on board the vehicle.
L'étape b) de vérification peut comprendre le recoupement du message de signalisation avec d'autres messages similaires contenant une infor- mation de localisation semblable, la prime étant attribuée à l'étape c) à celui des chauffeurs ayant émis le premier un message de signalisation, et/ou la confrontation du message de signalisation avec une information représentative de la fluidité du trafic dans un secteur correspondant à l'information de localisation. On peut prévoir à l'étape a) l'introduction par le chauffeur d'un numéro personnel d'identification et la comparaison de ce numéro avec un code correspondant mémorisé dans une carte à microcircuit insérée dans un lecteur du terminal embarqué dans le véhicule.The verification step b) may include cross-checking the signaling message with other similar messages containing similar location information, the premium being awarded in step c) to that of the drivers who first issued a signaling message, and / or the confrontation of the signaling message with information representative of the traffic flow in a sector corresponding to the location information. In step a, provision can be made for the driver to introduce a personal identification number and compare this number with a corresponding code stored in a microcircuit card inserted in a reader of the terminal on board the vehicle.
Avantageusement, le procédé comprend en outre une étape d) de trans- mission, depuis le site distant vers le terminal du véhicule ainsi que vers d'autres véhicules, d'une information de mise à jour de données affichables cartographiques sur l'état du trafic dans un secteur correspondant à l'information de localisation.Advantageously, the method further comprises a step d) of transmitting, from the remote site to the vehicle terminal as well as to other vehicles, information for updating map displayable data on the state of the traffic in a sector corresponding to the location information.
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On va maintenant décrire un exemple de mise en œuvre de l'invention, en référence aux dessins annexés.We will now describe an example of implementation of the invention, with reference to the accompanying drawings.
La figure 1 représente schématiquement l'équipement dont est muni le vé- hicule.FIG. 1 schematically represents the equipment with which the vehicle is fitted.
La figure 2 est un organigramme expliquant le processus de fonctionnement général du système de l'inventionFigure 2 is a flowchart explaining the general operating process of the system of the invention
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Le véhicule est équipé d'un terminal électronique multifonction 2, dispositif désormais classique dans tous les taxis affiliés à un service téléphonique. Ce terminal comporte un afficheur, divers boutons de sélection et un clavier numérique. Il coopère avec un dispositif de localisation 4, typiquement un dis- positif GPS permettant de déterminer avec grande précision la position exacte du véhicule dans la zone de couverture. Il coopère également avec des moyens émetteurs/récepteurs 6 permettant la réception de données en provenance d'un site central et le renvoi d'informations, notamment de localisation, d'acceptation de course, etc., vers ce même site central. De façon caractéristique de l'invention, on associe à ce terminal 2 un boîtier spécifique 8 comportant :The vehicle is equipped with a multifunction electronic terminal 2, a device now standard in all taxis affiliated with a telephone service. This terminal includes a display, various selection buttons and a numeric keypad. It cooperates with a location device 4, typically a GPS device making it possible to determine with exact precision the exact position of the vehicle in the coverage area. It also cooperates with transmitter / receiver means 6 allowing the reception of data from a central site and the return of information, in particular of location, race acceptance, etc., to this same central site. Characteristically of the invention, this terminal 2 is associated with a box specific 8 including:
- un bouton 10 permettant au chauffeur de signaler un problème de trafic (bouchon) par un geste élémentaire : un simple appui ;- a button 10 allowing the driver to signal a traffic problem (traffic jam) by an elementary gesture: a simple press;
- un connecteur 12 pour une carte à puce 14 permettant d'identifier le chauffeur et de créditer son compte selon un principe qui sera décrit plus bas ; eta connector 12 for a smart card 14 making it possible to identify the driver and to credit his account according to a principle which will be described below; and
- un écran graphique 16 assurant l'affichage du plan de la ville et, avantageusement, la signalisation par surbrillance, comme en 18, des artères bouchées ou encombrées. Le terminal multifonction 2 est en fait utilisé ici comme simple interface entre le boîtier spécifique 8 et les moyens de localisation 4, les moyens d'émission-réception 6 et le clavier du terminal pour l'introduction éventuelle de données numériques. Le terminal 2 n'est ainsi pas modifié dans son fonctionnement et le parc actuel des terminaux peut être utilisé sans modification substantielle. Bien entendu, il est également possible de grouper les éléments 2 et 8 en un seul et même terminal combiné gérant l'ensemble des fonctions, spécifiques de l'invention ou non. La figure 2 montre l'enchaînement des diverses étapes de fonctionnement du système. Tout d'abord, en cas de bouchon (étape 20), le chauffeur appuie sur le bouton 10 (étape 22), ce qui a pour effet d'émettre en direction du site central une information d'encombrement du trafic en un point de la zone déterminé automatiquement par les moyens 4 de localisation GPS. Avantageusement (étapes 24), le système procède à une identification du chauffeur par lecture et vérification de la carte à puce 14 insérée dans le terminal, ceci afin de déjouer les risques de signalisation intempestive par des mystificateurs, parasites de toutes natures, etc. Le cas échéant, il est possible de prévoir à ce stade un test (étape 26) de code porteur, le chauffeur devant alors taper sur son clavier un code d'identification personnel comparé par la carte à celui qu'elle conserve en mémoire, afin d'authentifier l'information d'encombrement de trafic transmise au site distant.- a graphic screen 16 ensuring the display of the city map and, advantageously, highlighting signaling, as in 18, blocked or congested arteries. The multifunction terminal 2 is in fact used here as a simple interface between the specific box 8 and the location means 4, the transmission-reception means 6 and the keyboard of the terminal for the possible introduction of digital data. Terminal 2 is thus not modified in its operation and the current fleet of terminals can be used without substantial modification. Of course, it is also possible to group elements 2 and 8 into a single combined terminal managing all of the functions, specific to the invention or not. Figure 2 shows the sequence of the various stages of operation of the system. First, in the event of a traffic jam (step 20), the driver presses button 10 (step 22), which has the effect of sending traffic congestion information to a central point. the area automatically determined by the GPS location means 4. Advantageously (steps 24), the system identifies the driver by reading and checking the smart card 14 inserted in the terminal, this in order to avoid the risks of untimely signaling by mystifiers, parasites of all kinds, etc. If necessary, it is possible to provide at this stage a test (step 26) of carrier code, the driver then having to type on his keyboard a personal identification code compared by the card with that which it keeps in memory, in order to authenticate the traffic congestion information transmitted to the remote site.
L'ensemble des informations (localisation, identité, etc.) est reçu au site central par le système qui opère automatiquement un certain nombre de vérifications (étapes 28 et 30) telles que : - concordance avec des appels en provenance d'autres chauffeurs se trouvant dans la même zone ;All of the information (location, identity, etc.) is received at the central site by the system, which automatically performs a certain number of checks (steps 28 and 30) such as: - concordance with calls from other drivers in the same area;
- corrélation avec le temps moyen constaté, dans une tranche horaire donnée, pour des courses (ou la progression de celles-ci) dans un secteur comparable de la ville.- correlation with the average time observed, in a given time slot, for races (or their progression) in a comparable sector of the city.
Très avantageusement, un système incitatif peut être prévu en vue de récompenser les chauffeurs ayant pris le soin, les premiers, de signaler des encombrements réellement existants (c'est-à-dire après vérification par les étapes 28 et 30), par exemple en créditant des points (étapes 32 et 34) dans la carte à puce 14 du chauffeur suite à son appui sur le bouton 10.Very advantageously, an incentive system can be provided in order to reward the drivers who took care, first, to report congestion really existing (that is to say after verification by steps 28 and 30), for example by crediting points (steps 32 and 34) in the driver's smart card 14 after pressing button 10.
Par ailleurs, l'information après vérification peut être exploitée pour mettre à jour un plan de la ville (étape 36) qui sera télédiffusé par voie hertzienne (étape 38) vers tous les véhicules participant au système, ainsi que vers d'autres véhicules, par exemple les véhicules équipés d'un système de guidage simplifié fonctionnant à sens unique, c'est-à-dire recevant des informations (par exemple par voie RDS) mais dépourvu de voie de retour. Les artères bouchées ou difficiles pourront avantageusement apparaître en surbrillance (étape 40) sur l'écran graphique 16. Avantageusement, le système selon l'invention pourra être étendu, selon les mêmes principes, à l'ensemble des véhicules circulant dans la ville :Furthermore, the information after verification can be used to update a city map (step 36) which will be broadcast over the air (step 38) to all the vehicles participating in the system, as well as to other vehicles, for example vehicles equipped with a simplified guidance system operating in one direction, that is to say receiving information (for example by RDS channel) but without return path. The blocked or difficult arteries may advantageously appear highlighted (step 40) on the graphic screen 16. Advantageously, the system according to the invention can be extended, according to the same principles, to all of the vehicles circulating in the city:
- taxis,- taxis,
- voitures particulières,- Particular Cars,
- camions et véhicules militaires, - autobus.- trucks and military vehicles, - buses.
Le système incitatif serait, en effet, de nature à intéresser une vaste population de personnes, grâce, principalement aux procédures 28, 30 et 32, susceptibles de justifier le versement, par l'autorité municipale, de points et/ou d'une rétribution financière explicite. Les points crédités peuvent notamment être des points de stationnement gratuit, correspondant à des unités utilisables dans des horodateurs à carte. La carte peut alors être une carte de type "bifonction" (ou "multifonction"), par exemple du même type que celle décrite dans la demande française 98 07578 du 16 juin 1998, au nom du Demandeur, pour "Procé- dé et système d'utilisation d'une carte à microcircuit dans une pluralité d'applications". La carte est dans ce cas susceptible de deux configurations alternatives : soit carte pour la mise en oeuvre de l'invention lorsqu'elle est insérée dans un terminal de voiture, soit carte de stationnement lorsqu'elle est insérée dans un horodateur. L'on instituerait ainsi, selon l'invention, un principe de solidarité contre les nuisances liées au trafic urbain :The incentive system is, in fact, likely to interest a large population of people, thanks mainly to procedures 28, 30 and 32, capable of justifying the payment, by the municipal authority, of points and / or compensation explicit financial. The points credited can in particular be free parking points, corresponding to units usable in card parking meters. The card can then be a "bifunction" (or "multifunction") type card, for example of the same type as that described in French application 98 07578 of June 16, 1998, in the name of the Applicant, for "Process and system using a microcircuit card in a plurality In this case, the card is capable of two alternative configurations: either a card for implementing the invention when it is inserted in a car terminal, or a parking card when it is inserted in a According to the invention, a principle of solidarity would therefore be instituted against nuisances linked to urban traffic:
- pollution,- pollution,
- stress,- stress,
- usure et gâchis du carburant. Par ailleurs, et sur un plan plus directement économique, on offrirait aux constructeurs automobiles un puissant moyen de différenciation fonctionnelle, alors que la convergence ayant pu être observée depuis plusieurs dizaines d'années conduit les constructeurs à mettre l'accent sur des points relativement futiles (moquette, confort des sièges, équipement électro-acoustique, etc.).- fuel wear and mess. In addition, and on a more directly economic level, car manufacturers would be offered a powerful means of functional differentiation, while the convergence that has been observed for several decades leads manufacturers to focus on relatively futile points. (carpet, comfort of seats, electro-acoustic equipment, etc.).
L'invention propose donc, en résumé, un véritable progrès de la fonction proprement dite, au bénéfice des usagers aussi bien que de la collectivité. The invention therefore offers, in summary, real progress in the function proper, for the benefit of users as well as the community.

Claims

REVENDICATIONS
1. Un procédé de traitement d'informations de circulation routière ou urbaine à partir d'un terminal embarqué dans un véhicule et relié par voie hertzienne à un site distant, comprenant les étapes consistant à : a) délivrer, depuis le terminal vers le site distant, un message de signalisation d'incident de trafic, comportant une information d'identification de véhicule et/ou de chauffeur et une information de localisation du véhicule, b) au site distant, réception du message de signalisation et vérification de ce message, et c) en cas de vérification conforme, inscription d'une information de d'attribution de prime au bénéfice du chauffeur à l'origine du message.1. A method of processing road or urban traffic information from a terminal on board a vehicle and connected by radio to a remote site, comprising the steps of: a) delivering, from the terminal to the site remote, a traffic incident signaling message, comprising vehicle and / or driver identification information and vehicle location information, b) at the remote site, reception of the signaling message and verification of this message, and c) in the event of correct verification, entry of information on the award of the bonus for the benefit of the driver who sent the message.
2. Le procédé de la revendication 1 , dans lequel l'étape c) comprend la transmission, depuis le site distant vers le véhicule, d'un message d'attribution de prime et l'inscription de l'information d'attribution de prime dans la mémoire d'une carte à microcircuit insérée dans un lecteur du terminal embarqué dans le véhicule.2. The method of claim 1, wherein step c) comprises transmitting, from the remote site to the vehicle, a premium award message and entering the premium award information in the memory of a microcircuit card inserted in a reader of the terminal on board the vehicle.
3. Le procédé de la revendication 1 , dans lequel l'étape b) de vérification comprend le recoupement du message de signalisation avec d'autres messages similaires contenant une information de localisation semblable, la prime étant attribuée à l'étape c) à celui des chauffeurs ayant émis le premier un message de signalisation.3. The method of claim 1, wherein step b) of verification comprises cross-checking the signaling message with other similar messages containing similar location information, the premium being attributed in step c) to that drivers who first issued a signaling message.
4. Le procédé de la revendication 1 , dans lequel l'étape b) de vérification comprend la confrontation du message de signalisation avec une information représentative de la fluidité du trafic dans un secteur correspon- dant à l'information de localisation.4. The method of claim 1, in which step b) of verification comprises the confrontation of the signaling message with information representative of the traffic flow in a sector corresponding to the location information.
5. Le procédé de la revendication 1 , dans lequel l'étape a) comprend l'introduction par le chauffeur d'un numéro personnel d'identification et la comparaison de ce numéro avec un code correspondant mémorisé dans une carte à microcircuit insérée dans un lecteur du terminal embarqué dans le véhicule.5. The method of claim 1, wherein step a) comprises the introduction by the driver of a personal identification number and the comparison of this number with a corresponding code stored in a microcircuit card inserted in a on-board terminal reader in the vehicle.
6. Le procédé de la revendication 1 , comprenant en outre une étape d) de transmission, depuis le site distant vers le terminal du véhicule ainsi que vers d'autres véhicules, d'une information de mise à jour de données affichables cartographiques sur l'état du trafic dans un secteur correspondant à l'information de localisation. 6. The method of claim 1, further comprising a step d) of transmitting, from the remote site to the vehicle terminal as well as to other vehicles, information for updating map display data on the map. traffic in a sector corresponding to the location information.
PCT/FR1999/002471 1998-10-13 1999-10-13 Method for processing road or urban traffic data from a vehicle onboard terminal connected by radio relay channel to a remote site WO2000022594A1 (en)

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FR98/12771 1998-10-13
FR9812771A FR2784486A1 (en) 1998-10-13 1998-10-13 Method for processing road traffic data from a vehicle onboard map terminal via a radio channel to a remote site, uses a bonus system to encourage drivers to transmit traffic information

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