EP0963581B1 - Method and system for providing and transmitting individualized traffic information - Google Patents

Method and system for providing and transmitting individualized traffic information Download PDF

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Publication number
EP0963581B1
EP0963581B1 EP98914805A EP98914805A EP0963581B1 EP 0963581 B1 EP0963581 B1 EP 0963581B1 EP 98914805 A EP98914805 A EP 98914805A EP 98914805 A EP98914805 A EP 98914805A EP 0963581 B1 EP0963581 B1 EP 0963581B1
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EP
European Patent Office
Prior art keywords
traffic information
information
user
transmitted
traffic
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
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EP98914805A
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German (de)
French (fr)
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EP0963581A1 (en
Inventor
Wolfgang Herbig
Bettina Hoischen
Jürgen Gaida
Uwe Köhler
Werner Schulz
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Vodafone GmbH
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Vodafone GmbH
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Publication of EP0963581A1 publication Critical patent/EP0963581A1/en
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    • 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
    • G08G1/09—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

Definitions

  • the invention relates to a method for providing and transmitting individualized traffic information in spoken form according to the generic term of claim 1 and a system for performing this method.
  • a variety of methods are known, traffic information in linguistic Form to make it available to interested users, especially drivers.
  • the transmission media used in these processes mainly include broadcasting, TV and other broadcast-capable media.
  • This class of procedure is common that the current situation of the user, especially his current Location, the sender of the information is unknown and always all available Information is broadcast within a larger geographic area.
  • the request would become a lead to significant overloading of the user, since he currently does not have a large number for him relevant information would be "filled in”.
  • the object of the invention is an inexpensive, efficient and ergonomic Procedures and a system for performing this procedure while avoiding the to propose the disadvantages described above.
  • the main goal here is that Communication of information as far as possible towards such traffic information limit that can actually be of importance to the user.
  • the required traffic information is provided and transmitted in a three-step process.
  • the request for Traffic information transmitted to the information center the request in character-coded. Form takes place and at least. Contains information about a location.
  • the location position advantageously this is the current location of the user, is a first selection criterion for the selection of the relevant traffic information the information center.
  • the request is made in character-coded form, to enable automated processing. With the request in the Information center opens an order that receives a unique order number, which is referred to below as the reference code.
  • the second process step in the information center based on the information provided in the request researched the desired information in a traffic database and compiled. The information is given under this reference code in the Information Center provided, and a message with the reference code will appear transmitted to the user.
  • the user calls the data that are ready Information stating the reference code via the voice channel of a Telephone network. If there is no relevant traffic information or in the Research specified error conditions have occurred, is in continuing education Invention provided that then special predefined reference codes to the user are transmitted, which contain a corresponding information, so that the process without establishing a voice connection and without the telephone charges incurred can be canceled.
  • the process begins with a request made by a user of the traffic information provides.
  • "Inquiry" in the sense of the invention means that the user in addition to the pure Request for information also information for individualization his request to the information center.
  • As basic information transmitted a location position. This will usually be your current location of the user, so that the individual research of the present Traffic information only the messages in the vicinity of this location be put together.
  • the invention can also be used advantageously if the location is not the current location of the user. Consequently could also include information about the destination or information about the Traffic situation in areas in which vehicles are one Fleets are located.
  • the location is sufficient as a basis for the research, e.g. Query traffic information "within a radius of 50 km".
  • Another refinement the invention is achieved when additional information such as e.g. Direction at of the request. With this information you can, for example Traffic jam messages in the opposite direction of travel can be suppressed.
  • the operating principle can also be advantageously expanded by adding several local positions, in particular a route will be transmitted.
  • the location position could be, for example, a keyboard from the user can be entered.
  • a typical application could be a query, for example display from PC at home or in the office.
  • Suitable for use in the vehicle above all an automatic generation of this data e.g. due to the market standard today Location and navigation devices.
  • the location position e.g. in geographical coordinates (e.g. WGS84) determined by satellite-based positioning. According to the invention, these coordinates can then be used for the request.
  • SMS short message service
  • an order is opened in the information center that one receives a unique reference code (order number).
  • evaluation is the information center (at least) one known spatial area for which traffic information is desired. This spatial area is the basis for the subsequent research in the database.
  • a simple solution for defining the spatial area is one Radius of e.g. 20 or 50 km to use the transmitted location.
  • various geometric shapes can be specified. This can, for example, circles of different sizes or formers with a Preferred direction ("club", “funnel”, “cake”, etc.).
  • the tax option is none can be used very advantageously on the central side to avoid redundant or irrelevant Suppress information further.
  • Another very interesting refinement opens up when this selection too can be influenced by the user.
  • the user can do this as an additional Send information with the request a control parameter, which e.g. shape and / or size and / or orientation of an area defined. It can too Information on influencing control parameters stored centrally be transmitted.
  • the reference code can be a predefined value (Error code) can be set.
  • the Information compiled as an "order" and in one in the information center Storage facility under the reference code (order number) for a specific Period held.
  • the reference code is sent back to the user, and the Users can now use the information provided within this period retrieve the voice channel.
  • the "order” will be sent to the center after it has been called up or after expiry of this period (max. 1 hour) is automatically deleted.
  • This method can advantageously be carried out automatically by an appropriate method programmed electronic data processing system in the information center, but in principle also process manually or semi-manually.
  • the under the "order" Compiled information could, for example, be retrieved by the user be read out or spoken on tape.
  • the researched (coded) Traffic information is fed to the speech generator in order to get it out in a first Processing step to create a chain of these sound file numbers.
  • the compiled information i.e. the "order” now comprises a chain of Sound file numbers that are stored under the reference code ("order number").
  • order number the reference code
  • The. "Order” is thus ready for "collection” and the reference code is sent to the User submitted.
  • the conversion of relevant traffic information into spoken form takes place only after retrieval immediately before the overnight stay Voice channel.
  • the individual messages of the compiled traffic information by the information center each clearly marked. These labels can be transmitted to the user become. This allows the user to recognize, for example (if only in coded form), which and how many messages are available for him. The big benefit However, it becomes fully apparent when these markings are carried out within several successive inquiries, such as those that occur during longer journeys can be saved temporarily by the user and included in the next request the information center will be transmitted. This information can namely are used on the central side to stop the already known messages consider. This results in a further significant increase in relevance the transmitted traffic information.
  • the user When the information center replies, the user receives the reference code under who can access the compiled information. It is beneficial but not to the exclusion, for this also the SMS channel of a GSM mobile network to use.
  • the reference code As an extension of the Encode the information center phone number.
  • the reference code can also after establishing the voice connection e.g. according to the DTMF process (dual tone multiple frequency) are transmitted.
  • the reference code thus becomes the information center when the voice connection is established announced.
  • the chain of sound file numbers stored under the reference code Speech generator supplied in a second. Processing step the referenced language modules for the complete text in spoken form assembles.
  • the comfort for the user can be further increased by using the built Voice channel at least simple. Tax opportunities will be opened.
  • the DTMF method used in the telephone network can be used to send by To enable control by the user at the push of a button. With that you can Realize interactive control options like a tape. NEXT PREVIOUS, NEXT or also a direct selection of a certain message. Whether and how this Refinement can be implemented depends on the specific functionality of the electronic data processing system in the information center and the Speech generator.
  • the invention is based on the three-stage information exchange described. With Compilation of the information would in itself be possible to direct one Establish a voice connection from the information center and thus the Saving the return of the reference code. The award of such Reference codes would not be necessary. Because in public telephone networks the cost however, would typically be carried by the caller Communication costs are incurred on the central side alone. For the commercial operation of a such service offer would have to be based on other payment methods of individual contractual relationships can be found. In contrast, draws the method of the invention is based on direct billing with the customer Based on his participation in the respective telephone network.

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  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Telephonic Communication Services (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Traffic Control Systems (AREA)
  • Circuits Of Receivers In General (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)

Abstract

A method and system for providing and transmitting individualized traffic information from a traffic network to a user via a telephone network and at least one voice channel. Traffic information is requested by the user from an information center that is capable of searching a traffic database and includes a voice generator for transmitting searched traffic information to the user in spoken form using the voice channel. The user request to the information center is character coded and a reference code is assigned to the traffic information being searched responsive to the user's request (call) and then transmitted to the user.

Description

Die Erfindung betrifft ein Verfahren zur Bereitstellung und Übermittlung individualisierter Verkehrsinformationen in gesprochener Form gemäß dem Oberbegriff des Patentanspruchs 1 sowie ein System zur Durchführung dieses Verfahrens.The invention relates to a method for providing and transmitting individualized traffic information in spoken form according to the generic term of claim 1 and a system for performing this method.

Es sind eine Vielzahl von Verfahren bekannt, Verkehrsinformationen in sprachlicher Form interessierten Nutzern, insbesondere Autofahrern, zur Verfügung zu stellen. Zu den in diesen Verfahren genutzten Übertragungsmedien zählen vor allem Rundfunk, Fernsehen und andere broadcast-fähige Medien. Dieser Klasse von Verfahren ist gemeinsam, daß die aktuelle Situation des Nutzers, insbesondere sein aktueller Standort, dem Sender der Informationen nicht bekannt ist und stets alle verfügbaren Informationen innerhalb eines größeren geografischen Gebietes ausgestrahlt werden. Eine auf entsprechende Weise durchgeführte Informationsübermittlung auf individuelle. Anfrage hin würde neben der hohen Last auf dem Kommunikationskanal zu einer deutlichen Überlastung des Nutzers führen, da er mit einer Vielzahl für ihn aktuell nicht relevanter Informationen "zugeschüttet" würde.A variety of methods are known, traffic information in linguistic Form to make it available to interested users, especially drivers. To The transmission media used in these processes mainly include broadcasting, TV and other broadcast-capable media. This class of procedure is common that the current situation of the user, especially his current Location, the sender of the information is unknown and always all available Information is broadcast within a larger geographic area. A corresponding transmission of information to individual. In addition to the high load on the communication channel, the request would become a lead to significant overloading of the user, since he currently does not have a large number for him relevant information would be "filled in".

Es sind ferner Verfahren bekannt, die eine Anfrage durch den Nutzer erlauben und dabei der Informationszentrale die Berücksichtigung individueller Problemstellungen des Nutzers ermöglichen. Ein Beispiel hierfür sind sog "hotlines" oder "call center" Dabei handek es sich um geeignet ausgestattete Telefonzentralen, die die Wünsche der Nutzer entgegennehmen und Fragen beantworten. Im speziellen Anwendungsgebiet Verkehrsinformationen sind entsprechende Service-Angebote beispielsweise der Mobilfunknetze oder der Automobilclubs bekannt. Diese Angebote zeichnen sich, bedingt durch die manuelle Dienstleistungserbringung, durch hohe Kosten für den Betreiber wie letztlich auch für den Nutzer aus. Weiterhin sind automatisierte Systeme bekannt, die den Nutzer im Sprachmodus durch ein Auswahlmenü führen, um die gewünschten Information zu selektieren und zur Verfügung zu stellen. Diese Sprachdialogsysteme werden in Telefonnetzen beispielsweise zur Fahrplanauskunft, aber neuerdings auch für Verkehrsinformationsdienste eingesetzt. Hierbei werden die Inforrnationen in sprachlicher Form dargeboten, die Menüsteuerung ist in Telefonnetzen typischerweise durch Spracheingabe und/oder Tastendruck möglich. Der Nachteil dieser bekannten Systeme ist die Tiefe und Komplexität des Menüs, insbesondere bei anspruchsvollen Anwendungen wie der Übermittlung von Verkehrsinformationen.Methods are also known which allow an inquiry by the user and the information center taking into account individual problems enable the user. An example of this are so-called "hotlines" or "call centers" These are suitably equipped telephone exchanges that meet your needs accept the user and answer questions. Particularly Area of application Traffic information is a corresponding service offer for example, the cellular networks or automobile clubs are known. These offers are characterized by high service levels due to the manual provision of services Costs for the operator as well as ultimately for the user. Furthermore are automated systems known to the user in voice mode through a Guide the selection menu to select the desired information and to To make available. These voice dialogue systems are used in telephone networks For example, for timetable information, but recently also for Traffic information services used. Here the information in presented in linguistic form, menu control is typical in telephone networks possible by voice input and / or key press. The disadvantage of this known Systems is the depth and complexity of the menu, especially when demanding Applications such as the transmission of traffic information.

Beide Klassen von Verfahren zeichnen sich durch die Präsentation der Informationen in gesprochener Form aus. Insbesondere während der Fahrt bietet diese akustische Darstellungsform der Information ergonomische Vorteile z.b. gegenüber einer optischen Darstellung in einem Display. Die Formulierung der Anfrage in sprachlicher Form ist aber entweder teuer in der manuellen Abwicklung oder komplex und zeitraubend in der automatisierten Abwicklung.Both classes of procedures are characterized by the presentation of the information in spoken form. This provides acoustic information, especially while driving Form of presentation of information ergonomic advantages e.g. towards one visual representation in a display. The wording of the request in linguistic However, form is either expensive to process manually or complex and time-consuming in automated processing.

Aufgabe der Erfindung ist es, ein kostengünstiges, effizientes und ergonomisches Verfahren und ein System zur Durchführung dieses Verfahrens unter Vermeidung der oben beschriebenen Nachteile vorzuschlagen. Wesentliches Ziel dabei ist es, die Informationsübermittlung möglichst weitgehend auf solche Verkehrsinformationen zu beschränken, die für den Nutzer tatsächlich von Bedeutung sein können.The object of the invention is an inexpensive, efficient and ergonomic Procedures and a system for performing this procedure while avoiding the to propose the disadvantages described above. The main goal here is that Communication of information as far as possible towards such traffic information limit that can actually be of importance to the user.

Gelöst wird diese Aufgabe bei einem gammgsgemäßen Verfahren mit den kennzeichnenden Merkmalen des Anspruchs 1. Besonders vorteilhafte Ausprägungen und Varianten sowie ein System zur Durchführung dieses Verfahrens sind in den weiteren Ansprüchen beschrieben.This problem is solved in a gammgs compliant method with the characterizing features of claim 1. Particularly advantageous features and variants and a system for performing this method are in the further claims described.

Die Bereitstellung und Übermittlung der gewünschten Verkehrsinformationen erfolgt in einem dreistufigen Prozeß. Im ersten Prozeßschritt wird die Anfrage nach Verkehrsinformationen an die Informationszentrale übermittelt, wobei die Anfrage in zeichencodierter. Form erfolgt und mindestens. Angaben über eine Ortsposition enthält. Die Ortsposition, vorteilhafterweise ist dies der aktuelle Standort des Nutzers, ist ein erstes Selektionskriterium für die Auswahl der relevanten Verkehrsinformationen durch die Informationszentrale. Durch Hinzunahme weiterer Informationen bei der Anfrage, insbesondere Fahrtrichtung oder vom Nutzer bereits erhaltene bzw. bekannte Verkehrsinformationen, kann die Selektion erfindungsgemäß weiter verfeinert werden und so die Relevanz durch Unterdrückung irrelevanter oder redundanter Informationen weiter erhöht werden. Die Anfrage erfolgt erfindungsgemäß in zeichencodierter Form, um eine automatisierte Bearbeitung zu ermöglichen. Mit der Anfrage wird in der Informationszentrale ein Auftrag eröffnet, der eine eindeutige Auftragsnummer erhält, die im folgenden als Bezugscode bezeichnet wird. Im zweiten Prozeßschritt werden in der Informationszentrale anhand der in der Anfrage übermittelten Angaben die gewünschten Informationen in einer Verkehrsdatenbank recherchiert und zusammengestellt. Die Informationen werden unter diesem Bezugscode in der Informationszentrale bereitgestellt, und es wird eine Meldung mit dem Bezugscode an den Nutzer übermittelt. Im dritten Prozeßschritt ruft der Nutzer die bereitgehaltenen Informationen unter Angabe des Bezugscodes über den Sprachkanal eines Telefonnetzes ab. Wenn keine relevanten Verkehrsinformationen vorliegen oder in der Recherche vorgegebene Fehlerbedingungen eingetreten sind, ist in Weiterbildung der Erfindung vorgesehen, daß dann an den Nutzer spezielle vordefinierte Bezugscodes übermittelt werden, die eine entsprechende Information enthalten, so daß der Vorgang ohne Aufbau einer Sprachverbindung und ohne die dafür anfallenden Telefongebühren abgebrochen werden kann.The required traffic information is provided and transmitted in a three-step process. In the first process step, the request for Traffic information transmitted to the information center, the request in character-coded. Form takes place and at least. Contains information about a location. The location position, advantageously this is the current location of the user, is a first selection criterion for the selection of the relevant traffic information the information center. By adding more information to the request, in particular direction of travel or already known or received by the user Traffic information, the selection can be further refined according to the invention and so the relevance by suppressing irrelevant or redundant information be further increased. According to the invention, the request is made in character-coded form, to enable automated processing. With the request in the Information center opens an order that receives a unique order number, which is referred to below as the reference code. In the second process step in the information center based on the information provided in the request researched the desired information in a traffic database and compiled. The information is given under this reference code in the Information Center provided, and a message with the reference code will appear transmitted to the user. In the third process step, the user calls the data that are ready Information stating the reference code via the voice channel of a Telephone network. If there is no relevant traffic information or in the Research specified error conditions have occurred, is in continuing education Invention provided that then special predefined reference codes to the user are transmitted, which contain a corresponding information, so that the process without establishing a voice connection and without the telephone charges incurred can be canceled.

Mit der beschriebenen Aufteilung in drei Prozeßschritte wird eine Reihe von Vorteilen gegenüber den bisher bekannten Verfahren erzielt. Erstens wird die Sprachverbindung im wesentlichen nur zum Abhören der Informationen benutzt. Der gesamte zeitaufwendige und ggf. fehlerträchtige Auswahlprozeß im Sprachkanal entfällt, die Information wird kompakt, effizient und kostengünstig dargestellt. Zweitens wird der Auswahlprozeß auf nur eine Anfrage reduziert, es genügt die Angabe einer Ortsposition. Ein langwieriger, mehrstufiger interaktiver Auswahlprozeß wie in Sprachdialogsystemen entfällt. Drittens sind Anfrage und Rückantwort ein Austausch codierter Informationen, die zweckmäßig und kostengünstig nicht über den Sprachkanal, sondern als Kurzmitteilungen über spezielle Datenkanäle des Telefonnetzes abgewickelt werden können. Hierfür bietet sich beispielsweise der sog. short message Kanal (SMS-Kanal) in einem GSM-Mobilfunknetz an Viertens kann durch den zwischengeschobenen Prozeßschritt der Bereistellung und der Rückübermittlung einer" Abholadresse". (= Bezugscode) der Gesprächskanal von der Nutzerseite aus aufgebaut werden. Dies ist in den Verfahren mit Abstand der kostenträchtigste Übertragungsschritt. Die Kommunikationskosten gehen daher weitgehend direkt zu Lasten des Anrufenden. Da moderne Telefonnetze durch die Bereitstellung von Sonderrufnummern mit erhöhten Tarifen zusätzlich die Möglichkeit der Abrechnung von sog. Mehrwertdiensten bieten, kann die Dienstleistung problemlos über die Telefongebühren des Nutzers abgerechnet werden. Eine besondere Gebührenerhebung oder ein Vertragsverhältnis zwischen Nutzer und Verkehrsinformationsanbieter ist nicht notwendig. Die Dienstleistung kann somit problemlos der Allgemeinheit angeboten werden, da mit jeder Nutzung allein über die Telefongebühren abgerechnet werden kann. Fünftens bietet das Verfahren den weiteren Vorteil, daß eine Sprachverbindung gar nicht erst aufgebaut werden muß, wenn keine Informationen vorliegen. Der Nutzer muß sich also nicht erst langwierig und kostenträchtig durch ein Auswahlmenü hangeln, nur um zu erfahren, daß für seine Strecke keine Verkehrsmeldungen vorliegen.With the described division into three process steps there are a number of advantages achieved compared to the previously known methods. First, the voice connection essentially used only for listening to the information. The whole time-consuming and possibly error-prone selection process in the voice channel is eliminated Information is presented compactly, efficiently and inexpensively. Second, the Selection process reduced to just one request, it is sufficient to enter one Location position. A lengthy, multi-stage interactive selection process as in Speech dialogue systems are no longer required. Third, the request and response are an exchange encoded information that is useful and inexpensive does not have the Voice channel, but as short messages via special data channels of the Telephone network can be processed. The so-called. Fourth, short message channel (SMS channel) in a GSM mobile network through the intervening process step of providing and Return of a "pickup address". (= Reference code) the conversation channel from the Be built from the user side. This is by far the procedure in the most expensive transfer step. The communication costs go therefore largely directly at the expense of the caller. Because modern telephone networks through the The possibility of providing special numbers with higher tariffs offer the billing of so-called value-added services, the service can easily be billed via the user's telephone charges. A special Fee collection or a contractual relationship between the user and Traffic information provider is not necessary. The service can can be offered to the general public without any problems, since with each use the Telephone charges can be charged. Fifth, the process offers the Another advantage that a voice connection does not have to be established at all if there is no information. The user does not have to be tedious and dodging costly through a selection menu just to find out that for his There are no traffic reports on the route.

Die Erfindung wird nachfolgend an einem beispielhaften Ablauf gemäß der einzigen Figur erläutert.The invention is illustrated below using an exemplary sequence according to the only one Figure explained.

Das Verfahren beginnt mit einer Anfrage, die ein Nutzer der Verkehrsinformationen stellt. "Anfrage" im Sinne der Erfindung heißt, daß der Nutzer neben der reinen Aufforderung zur Auskunftserteilung auch Informationen für die Individualisierung seiner Anfrage an die Informationszentrale übermittelt. Als Basisinformation wird hierbei eine Ortsposition übermittelt. Dies wird in der Regel der aktuelle Aufenthaltsort des Nutzers sein, so daß bei der individuellen Recherche der vorliegenden Verkehrsinformationen nur die Meldungen in der Nähe dieser Ortsposition zusammengestellt werden. Die Erfindung kann aber auch vorteilhaft eingesetzt werden, wenn die Ortsposition nicht der aktuelle Aufenthaltsort des Nutzers ist. Somit könnten auch Informationen über den Zielort oder Informationen über die Verkehrssituation m Gebieten abgefragt werden, in denen sich Fahrzeuge eines Fuhrparks befinden.The process begins with a request made by a user of the traffic information provides. "Inquiry" in the sense of the invention means that the user in addition to the pure Request for information also information for individualization his request to the information center. As basic information transmitted a location position. This will usually be your current location of the user, so that the individual research of the present Traffic information only the messages in the vicinity of this location be put together. However, the invention can also be used advantageously if the location is not the current location of the user. Consequently could also include information about the destination or information about the Traffic situation in areas in which vehicles are one Fleets are located.

Die Ortsposition ist als Basis für die Recherche ausreichend, um z.B. Verkehrsinformationen "im Umkreis von 50 km" abzufragen. Eine weitere Verfeinerung der Erfindung wird erzielt, wenn zusätzliche Informationen wie z.B. Fahrtrichtung bei der Anfrage übermittelt werden. Mit dieser Angabe können beispiels weise Staumeldungen in entgegengesetzter Fahrtrichtung unterdrückt werden. Das Ablaufprinzip läßt sich auch vorteilhaft erweitern, indem mehrere Ortspositionen, insbesondere eine Fahrtroute übermittelt werden.The location is sufficient as a basis for the research, e.g. Query traffic information "within a radius of 50 km". Another refinement the invention is achieved when additional information such as e.g. Direction at of the request. With this information you can, for example Traffic jam messages in the opposite direction of travel can be suppressed. The The operating principle can also be advantageously expanded by adding several local positions, in particular a route will be transmitted.

Für die Eingabe der Ortsposition gibt es verschiedene Möglichkeiten im Sinne dieser Erfindung. Die Ortsposition könnte beispielsweise über eine Tastatur vom Benutzer eingegeben werden. Eine typische Anwendung könnte beispielsweise eine Abfrage vom PC zu Hause oder im Büro darstellen. Für den Einsatz im Fahrzeug bietet sich vor allem eine automatische Erzeugung dieser Daten z.B. durch heute marktübliche Ortungs- bzw. Navigationsgeräte an. Hierbei wird die Ortsposition z.B. in geografischen Koordinaten (z.B. WGS84) durch satellitengestützte Ortung bestimmt. Erfindungsgemäß können diese Koordinaten dann für die Anfrage verwendet werden.There are various options for entering the location position Invention. The location position could be, for example, a keyboard from the user can be entered. A typical application could be a query, for example display from PC at home or in the office. Suitable for use in the vehicle above all an automatic generation of this data e.g. due to the market standard today Location and navigation devices. Here the location position e.g. in geographical coordinates (e.g. WGS84) determined by satellite-based positioning. According to the invention, these coordinates can then be used for the request.

Die Anfrage wird an die Informationszentrale übermittelt. Da die Informationen in der Anfrage in zeichencodierter Form vorliegen, ist eine bevorzugte Form der Übermittlung, wie in der Figur dargestellt, die Übermittlung im Sinne eines Datentelegramms als Kurzmitteilung (SMS = short message service) in einem GSM-Mobilfunknetz.The request is sent to the information center. Since the information in the Request in character-encoded form is a preferred form of Transmission, as shown in the figure, the transmission in the sense of a Data telegram as a short message (SMS = short message service) in a GSM mobile network.

Mit Erhalt der Anfrage wird in der Informationszentrale ein Auftrag eröffnet, der einen eindeutigen Bezugscode (Auftragsnummer) erhält.Upon receipt of the request, an order is opened in the information center that one receives a unique reference code (order number).

In der Informationszentrale werden die mit der Anfrage erhaltenen Informationen ausgewertet. Hierunter fällt in erster Linie die Auswertung der Ortsposition. Aber auch weitere optionale Parameter wie z.B. Fahrtrichtung stellen nützliche Selektionskriterien dar. Als Resultat dieser: Auswernung ist der Informationszentrale (mindestens) ein räumliches Gebiet bekannt, für das Verkehrsinformationen gewünscht werden. Dieses räumliche Gebiet ist Grundlage für die nachfolgende Recherche in der Datenbank.In the information center, the information received with the request evaluated. This primarily includes the evaluation of the location position. But also other optional parameters such as Direction of travel provide useful selection criteria As a result of this: evaluation is the information center (at least) one known spatial area for which traffic information is desired. This spatial area is the basis for the subsequent research in the database.

Eine einfache Lösung für die Festlegung des räumlichen Gebietes besteht darin, einen Umkreis von z.B. 20 oder 50 km um die übermittelte Ortsposition zu benutzen. In einer Verfeinerung der Erfindung sind verschiedene geometrische Formen vorggebbar. Dies können beispielsweise Umkreise verschiedener Größe oder aber Former mit einer Vorzugsrichtung ("Keule", "Trichter", "Tortenstück". usw.) sein. Die Steuermöglichkein läßt sich zentralseitig sehr vorteilhaft einsetzen, um redundante bzw. irrelevante Informationen weiter zu unterdrücken. Dies soll an einem einfacherr Beispiel erläutert werden: Ist der in der Anfrage übermittelte Ort (der Einfachheit halber der aktuelle Standort) auf einer Autobahn, so wird eine gerichtete Form mit langer Reichweite und mit Vorzugsrichtung entsprechend der aktuellen Fahrtrichtung ausgewählt. Befindet sich der Nutzer beispielsweise in einem Stadtgebiet, wird zweckmäßig eine Umkreisinformation selektiert.A simple solution for defining the spatial area is one Radius of e.g. 20 or 50 km to use the transmitted location. In a Refinement of the invention, various geometric shapes can be specified. This can, for example, circles of different sizes or formers with a Preferred direction ("club", "funnel", "cake", etc.). The tax option is none can be used very advantageously on the central side to avoid redundant or irrelevant Suppress information further. This will be explained using a simple example : Is the location given in the request (for the sake of simplicity, the current one Location) on a freeway, it becomes a directional form with a long range and selected with preferred direction according to the current direction of travel. is If the user is in an urban area, for example, a Radius information selected.

Eine weitere sehr interessante Verfeinerung eröffnet sich, wenn diese Selektion auch durch den Nutzer beeinflußt werden kann. Hierzu kann der Nutzer als zusätzliche Information mit der Anfrage einen Steuerparameter übermitteln, der z.B. Form und/oder Größe und/oder Ausrichtung eines Gebiets definiert. Es können auch Informationen zur Beeinflussung zentralseitig gespeicherter Steuerparameter übermittelt werden.Another very interesting refinement opens up when this selection too can be influenced by the user. The user can do this as an additional Send information with the request a control parameter, which e.g. shape and / or size and / or orientation of an area defined. It can too Information on influencing control parameters stored centrally be transmitted.

Auf der Basis des anhand der jeweiligen Anfrage definierten Gebietes wird die Verkehrsdatenbank recherchiert. Wenn keine Meldungen vorliegen, kann vorteilhafterweise eine diesbezügliche Meldung an den Nutzer zurück übermittelt werden. Mit Erhalt dieser Information ("Fehlanzeige") kann der gesamte Prozeß dann abgebrochen werden. Der Bezugscode kann auf einen vordefinierten Wert (Fehlercode) gesetzt werden.On the basis of the area defined on the basis of the respective request, the Traffic database researched. If there are no messages, can a relevant message is advantageously transmitted back to the user become. Upon receipt of this information ("no report") the entire process can then be canceled. The reference code can be a predefined value (Error code) can be set.

Liegen Verkehrsinformationen für das recherchierte Gebiet vor, so werden die Informationen als "Auftrag" zusammengestellt und in der Informationszentrale in einer Speichereinrichtung unter dem Bezugscode (Auftragsnummer) für einen bestimmten Zeitraum vorgehalten. Der Bezugscode wird an den Nutzer zurückübermittelt, und der Nutzer kann nun innerhalh dieses Zeitraums die bereitgestellten Informationen über den Sprachkanal abrufen. Der "Auftrag" wird zentralseitig nach Abruf oder nach Ablauf dieses Zeitraums (max. 1 Stunde) automatisch gelöscht.If traffic information is available for the researched area, the Information compiled as an "order" and in one in the information center Storage facility under the reference code (order number) for a specific Period held. The reference code is sent back to the user, and the Users can now use the information provided within this period retrieve the voice channel. The "order" will be sent to the center after it has been called up or after expiry of this period (max. 1 hour) is automatically deleted.

Dieses Verfahren läßt sich vorteilhaft automatisch durch eine entsprechend programmierte elektronische Datenverarbeitungsanlage in der Informationszentrale, aber im Prinzip auch manuell oder halbmanuell abwickeln. Die unter dem."Auftrag" zusammmengestellten Informationen könnten beispielsweise bei Abruf dem Nutzer verlesen werden oder auf Band gesprochen werden. This method can advantageously be carried out automatically by an appropriate method programmed electronic data processing system in the information center, but in principle also process manually or semi-manually. The under the "order" Compiled information could, for example, be retrieved by the user be read out or spoken on tape.

Dieses Grundprinzip der Erfindung kann jedoch sehr vorteilhaft verfeinert werden, wie anhand der Figur weiter erläutert wird. Um die Abwicklung für Nutzer und Betreiber möglichst preiswert zu gestalten, wird vorzugsweise eine vollautomatische Abwicklung des Prozesses angestrebt. Hierzu kann ein Sprachgenerator verwendet werden. Da die Arbeitsweise von Sprachgeneratoren sehr unterschiedlich sein kann, wird hier exemplarisch gemäß der Figur nur auf eine bestimmte Variante eingegangen. Weitere gleichwirkende Varianten sind selbstverständlich im Sinne dieser Erfindung möglich. Als Sprachgenerator wird hierbei ein System zugrunde gelegt, welches vollständige gesprochene Texte anhand von einzelnen, vorproduzierten Sprachbausteinen zusammensetzt. Diese Sprachbausteine sind üblicherweise in einer Datenbank in Form sogenannter Sound Files abgelegt. Ein vollständiger Text kann somit als eine Folge von Sprachbausteinen aufgefaßt werden, die als Kette der entsprechenden Sprachbausteinnummern (Soundfile-Nummern) repräsentiert werden kann.However, this basic principle of the invention can be refined very advantageously, such as is further explained with reference to the figure. To the settlement for users and operators To make it as inexpensive as possible is preferably a fully automated process of the process. A speech generator can be used for this. There The way voice generators work can be very different here exemplarily according to the figure only dealt with a certain variant. Further variants having the same effect are of course possible within the meaning of this invention. A system that is complete is used as the speech generator spoken texts using individual, pre-produced language modules composed. These language modules are usually in a database in In the form of so-called sound files. A complete text can therefore be viewed as one Sequence of language modules to be understood as a chain of the corresponding Language block numbers (sound file numbers) can be represented.

In dieser speziellen Ausprägung der Erfindung wird daher die recherchierte (codierte) Verkehrsinformation dem Sprachgenerator zugeführt, um daraus in einem ersten Verarbeitungsschritt eine Kette dieser Soundfile-Nummern zu erzeugen. Die zusammengestellte Information, d.h. der "Auftrag", umfaßt nun eine Kette von Soundfile-Nummern, die unter dem Bezugscode ("Auftragsnummer") abgelegt werden. Der. "Auftrag" steht somit zur "Abholung" bereit, und der Bezugscode wird an den Nutzer übermittelt. Die Umwandlung der relevanten Verkehrsinformationen in gesprochene Form erfolgt erst nach Abruf unmittelbar vor Übernagung durch den Sprachkanal.In this special embodiment of the invention, the researched (coded) Traffic information is fed to the speech generator in order to get it out in a first Processing step to create a chain of these sound file numbers. The compiled information, i.e. the "order" now comprises a chain of Sound file numbers that are stored under the reference code ("order number"). The. "Order" is thus ready for "collection" and the reference code is sent to the User submitted. The conversion of relevant traffic information into spoken form takes place only after retrieval immediately before the overnight stay Voice channel.

In einer anderen Weiterbildung der Erfindung werden die einzelnen Meldungen der zusammengestellten Verkehrsinformationen durch die Informationszentrale jeweils eindeutig gekennzeichnet. Diese Kennzeichnungen können an den Nutzer übermittelt werden. Dadurch kann der Nutzer beispielsweise erkennen (wenn auch nur in codierter Form), welche und wieviel Meldungen für ihn bereitliegen. Der große Nutzen tritt aber dann voll zu Tage, wenn diese Kennzeichnungen im Rahmen von mehreren aufeinanderfolgenden Anfragen, wie sie beispielsweise bei längeren Fahrten auftreten können, vom Nutzer zeitweilig gespeichert und bei der jeweils nächsten Anfrage mit an die Informationszentrale übermittelt werden. Diese Information kann nämlich zentralseitig dazu benutzt werden, die bereits bekannten Meldungen nicht mehr zu berücksichtigen. Hierdurch ergibt sich eine weitere deutliche Steigerung der Relevanz der übermittelten Verkehrsinformationen.In another development of the invention, the individual messages of the compiled traffic information by the information center each clearly marked. These labels can be transmitted to the user become. This allows the user to recognize, for example (if only in coded form), which and how many messages are available for him. The big benefit However, it becomes fully apparent when these markings are carried out within several successive inquiries, such as those that occur during longer journeys can be saved temporarily by the user and included in the next request the information center will be transmitted. This information can namely are used on the central side to stop the already known messages consider. This results in a further significant increase in relevance the transmitted traffic information.

Der Nutzer erhält mit der Rückantwort der Informationszentrale den Bezugscode, unter dem die zusammengestellten Informationen für ihn abrufbar sind. Es ist vorteilhaft, aber nicht auschließend, hierfür ebenfalls den SMS-Kanal eines GSM-Mobilfunknetzes zu benutzen. Für den Nutzer ist natürlich ein entsprechend funktional erweitertes Telefongerät besonders sinnvoll, welches die erhaltene Nachricht auswertet, den Bezugscode extrahiert und automatisch oder auf Knopfdruck die Informationszentrale anwählt. Besonders vorteilhaft ist es hierbei, den Bezugscode als Erweiterung der Telefonnummer der Informationszentrale zu codieren. Bei Eingang des Anrufes kann die Informationszentrale somit die erweiterten Ziffern extrahieren und den zurückgelegten "Auftrag" identifizieren. Selbstverständlich kann der Bezugscode auch nach Aufbau der Sprachverbindung z.B. nach dem DTMF-Verfahren (dual tone multiple frequency) übermittelt werden.When the information center replies, the user receives the reference code under who can access the compiled information. It is beneficial but not to the exclusion, for this also the SMS channel of a GSM mobile network to use. For the user, of course, there is a correspondingly expanded function Telephone device particularly useful, which evaluates the message received Reference code extracted and the information center automatically or at the push of a button dials. It is particularly advantageous here to use the reference code as an extension of the Encode the information center phone number. When the call arrives the information center thus extract the extended digits and the Identify completed "order". Of course, the reference code can also after establishing the voice connection e.g. according to the DTMF process (dual tone multiple frequency) are transmitted.

Der Bezugscode wird somit der Informationszentrale bei Aufbau der Sprachverbindung bekanntgegeben. Gemäß der in der Figur gezeigten speziellen Ausprägung wird nun die unter dem Bezugscode abgelegte Kette von Soundfile-Nummern dem Sprachgenerator zugeführt, der in einem zweiten. Bearbeitungsschritt die referenzierten Sprachbausteine zu dem vollständigen Text in gesprochener Form zusammenfügt.The reference code thus becomes the information center when the voice connection is established announced. According to the special expression shown in the figure, now the chain of sound file numbers stored under the reference code Speech generator supplied in a second. Processing step the referenced language modules for the complete text in spoken form assembles.

Der Komfort für den Nutzer läßt sich weiter erhöhen, indem über den aufgebauten Sprachkanal zumindest einfache. Steuermöglichkeiten eröffnet werden. Hierzu könnte beispielsweise das in Telefonnetzes übliche DTMF-Verfahren benutzt werden, um per Tastendruck eine Steuerung durch den Nutzer zu ermöglichen. Damit lassen sich interaktive Steuermöglichkeiten wie bei einem Tonband realisieren. VOR, ZURÜCK, WEITER oder auch eine direkte Anwahl einer bestimmten Meldung. Ob und wie diese Verfeinertung implementiert werden kann, hängt von der konkreten Funktionalität der elektronischen Datenverarbeitungsanlage in der Informationszentrale und des Sprachgenerators ab.The comfort for the user can be further increased by using the built Voice channel at least simple. Tax opportunities will be opened. This could For example, the DTMF method used in the telephone network can be used to send by To enable control by the user at the push of a button. With that you can Realize interactive control options like a tape. NEXT PREVIOUS, NEXT or also a direct selection of a certain message. Whether and how this Refinement can be implemented depends on the specific functionality of the electronic data processing system in the information center and the Speech generator.

Der Erfindung liegt der geschilderte dreistufige Informationsaustausch zugrunde. Mit Zusammenstellung der Informationen wäre es an sich möglich, direkt eine Sprachverbindung von der Informationszentrale her aufzubauen und damit die Rückübermittlung des Bezugscodes einzusparen. Die Vergabe eines solchen Bezugscodes wäre dabei nicht notwendig. Da in öffentlichen Telefonnetzen die Kosten jedoch üblicherweise durch den Anrufer getragen werden, würden die Kommunikationskosten allein zentralseitig anfallen. Zum kommerziellen Betrieb eines solchen Dienstangebotes müßten somit jeweils andere Bezahlungswege auf der Basis von individuellen Vertragsverhältnissen gefunden werden. Demgegenüber zeichnet sich das Verfahren der Erfindung durch direkte Abrechnung mit dem Kunden auf Nutzungsbasis im Rahmen seiner Teilnahme am jeweiligen Telefonnetz aus.The invention is based on the three-stage information exchange described. With Compilation of the information would in itself be possible to direct one Establish a voice connection from the information center and thus the Saving the return of the reference code. The award of such Reference codes would not be necessary. Because in public telephone networks the cost however, would typically be carried by the caller Communication costs are incurred on the central side alone. For the commercial operation of a such service offer would have to be based on other payment methods of individual contractual relationships can be found. In contrast, draws the method of the invention is based on direct billing with the customer Based on his participation in the respective telephone network.

Die Details des geschilderten Ablaufs sind nicht alle zwingend, sondern teilweise nur zweckmäßig. So könnte beispielsweise die gesamte Spracherzeugung, d.h. die beiden in der Figur dargestellten diesbezüglichen Bearbeitungsschritte erst nach Aufbau der Sprachverbindung durchgeführt werden. Dies liegt zwar im Rahmen der Erfindung, hätte aber Nachteile, da die Bearbeitung zeitaufwendig ist. Der beispielhaft dargestellte Prozeß minimiert dagegen den Aufwand während des Bestehens der teuren und zeitkritischen Sprachverbindung.The details of the process described are not all mandatory, but in some cases only appropriate. For example, all speech production, i.e. the two related processing steps shown in the figure only after building the Voice connection can be carried out. While this is within the scope of the invention, would have disadvantages, however, since the processing is time-consuming. The example shown Process minimizes the effort during the existence of the expensive and time-critical voice connection.

Claims (33)

  1. A method for providing and transmitting individualised traffic information relating to a road network via a telephone network having at least one speech channel to a user, the traffic information being selected in a central information exchange from a traffic database at the request of the user and transmitted in spoken form via the speech channel of the telephone network,
    characterised in that
    the user transmits a character-coded request to the central information exchange, which at least contains details relating to a location, for the area surrounding which traffic information is desired, and/or to a journey route,
    the traffic database is searched for traffic information relevant to the request,
    the traffic information found is allocated a reference code in the central information exchange for retrieval of the traffic information,
    the reference code is transmitted to the user,
    the user retrieves the traffic information found by giving the reference code and
    the traffic information is then transmitted.
  2. A method according to claim 1,
    characterised in that
    data about the current whereabouts of the user are transmitted as details relating to location.
  3. A method according to one of claims 1 to 2,
    characterised in that,
    in addition to the details relating to location, information is also transmitted in the user's request about the adopted or desired direction of travel.
  4. A method according to one of claims 1 to 3,
    characterised in that
    in addition to the details relating to location, information is also transmitted in the user's request relating to traffic information already obtained,
    the transmitted information relating to already obtained traffic information is evaluated by the central information exchange and this already obtained traffic information is not taken into account again during search and provision.
  5. A method according to one of claims 1 to 4,
    characterised in that
    the request is sent as a data telegram over the SMS channel of a GSM cellular radio network,
    transmission of the reference code to the user likewise proceeds over the SMS channel of the GSM cellular radio network and
    a speech connection is then created by the user in the GSM cellular radio network for transmitting the traffic information.
  6. A method according to one of claims 1 to 5,
    characterised in that,
    in the event of a fruitless search in the traffic database or in the event of given error conditions, special predefined reference codes are transmitted to the user and the process is broken off without the creation of a speech connection.
  7. A method according to one of claims 1 to 6,
    characterised in that
    the reference code received by the user is transmitted in coded form when the speech connection is created.
  8. A method according to claim 7,
    characterised in that
    the reference code is transmitted to the central information exchange as part of the telephone number selected for creating the speech connection.
  9. A method according to one of claims 1 to 8,
    characterised in that,
    after processing of the request by the central information exchange, the detected traffic information is stored in a memory means in the central information exchange together with the allocated reference code for a predeterminable period for retrieval by the user and
    thereafter, but at the latest after an hour, it is automatically deleted.
  10. A method according to one of claims 1 to 9,
    characterised in that
    the central information exchange automatically evaluates the transmitted character-coded request to determine the geographic area of the traffic network relevant to the search,
    it is automatically determined whether traffic information is available for the relevant geographic area,
    the traffic information for these geographic areas is automatically identified,
    the reference code for the respective request is automatically allocated and transmitted.
  11. A method according to one of claims 1 to 10,
    characterised in that
    control parameters (selection criteria) may be predetermined for determining the relevant geographic areas, which parameters influence the shape and/or size and/or orientation of the geographic area,
    at least the location transmitted in the user's request is taken into account in establishing the control parameters in the central information exchange and
    consequently, only the traffic information from these areas defined in this way is taken into account during searching of the traffic information.
  12. A method according to claim 11,
    characterised in that
    additional information for influencing the control parameters is transmitted by the user in the context of the request.
  13. A method according to one of claims 1 to 12,
    characterised in that
    the traffic information found is labelled in the central information exchange and
    these labels are transmitted to the user together with the reference code.
  14. A method according to claims 4 and 13,
    characterised in that
    the labels for traffic information already obtained are stored temporarily by the user and transmitted as a component of the character-coded request to the central information exchange.
  15. A method according to one of claims 9 to 14,
    characterised in that
    the individually compiled traffic information is provided in spoken form and thus stored for the predeterminable period in the central information exchange.
  16. A method according to one of claims 1 to 15,
    characterised in that
    the traffic information is stored in coded form in the traffic database,
    the individual items of traffic information are compiled in coded form and stored together with the reference code for retrieval by the user and
    when the traffic information is retrieved by the user, the compiled coded traffic information is converted automatically in the central information exchange by a means for automatic generation of spoken information (speech generator) into the individual items of traffic information in spoken form.
  17. A method according to claim 16,
    characterised in that
    the speech generator, which comprises a database with pre-produced speech components which are marked with unique speech component numbers, generates the information texts for the traffic information by stringing together appropriately selected speech components,
    the relevant traffic information found is taken from the traffic database in coded form,
    the coded found traffic information is converted in a first processing step by the speech generator into a string of speech component numbers,
    this individually compiled string, which represents the requested traffic information, is held ready in the central information exchange together with the reference code for retrieval by the user and
    when the traffic information is retrieved, this string is converted in a second processing step by the speech generator from speech component numbers into spoken information for transmission on the speech channel.
  18. A method according to one of claims 1 to 17,
    characterised in that
    retrieval of the traffic information by the user may be controlled interactively at least in such a way that, when necessary, repetition of individual messages and/or progression to the next message is performed.
  19. A method according to claim 18,
    characterised in that
    retrieval is controlled by pressing keys by means of the DTMF (dual tone multiple frequency) method or by speech input.
  20. A system for performing the method according to claim 1,
    having a telephone network, which comprises at least one speech channel, and additionally having a central information exchange, which comprises a traffic database held in an electronic data processing installation and is connected to the telephone network, and having a plurality of terminals, by means of which individualised traffic information relating to a road network may be requested by individual users, the traffic information being capable of transmission in spoken form over the speech channel to the respective terminal,
    characterised in that
    character-coded requests may be transmitted via the terminals to the central information exchange, which at least contain details relating to a location, for the area surrounding which traffic information is desired, and/or to a journey route,
    the electronic data processing installation is programmed in such a way that
    the traffic database may be searched for traffic information relevant to the request,
    the traffic information found may be allocated a reference code for retrieval of the traffic information,
    the respective reference code may be transmitted to the user over the telephone network,
    the user may retrieve the traffic information found via the respective terminal by giving the reference code and
    on retrieval, the traffic information found may be transmitted to the respective terminal.
  21. A system according to claim 20,
    characterised in that
    in addition to the details relating to location, information relating to traffic information already obtained may also be transmitted in the request via the terminal.
    the transmitted information relating to traffic information already obtained may be evaluated by the electronic data processing installation and
    this already obtained traffic information may be eliminated during search and provision.
  22. A system according to one of claims 20 to 21,
    characterised in that
    the telephone network is a GSM cellular radio network with an SMS channel,
    the request may be sent as a data telegram over the SMS channel and
    the reference code may likewise be transmitted to the user over the SMS channel.
  23. A system according to one of claims 20 to 22,
    characterised in that
    special predefined reference codes are stored in the central information exchange, which may be transmitted to the respective terminal in the event of a fruitless search in the traffic database or in the event of given error conditions.
  24. A system according to one of claims 20 to 23,
    characterised in that
    the reference code received by the terminal may be transmitted, when the speech connection is created, in coded form in the speech channel or when the speech connection is created.
  25. A system according to one of claims 20 to 24,
    characterised in that
    after the request has been processed by the electronic data processing installation, the detected traffic information may be stored in a memory means in the central information exchange together with the allocated reference code for a predeterminable period for retrieval by the user and
    thereafter, but at the latest after an hour, it may be automatically deleted.
  26. A system according to one of claims 20 to 25,
    characterised in that
    the electronic data processing installation is programmed in such a way that
    the transmitted character-coded request is automatically evaluated to determine the geographic area of the traffic network relevant to the search,
    it is automatically determined whether traffic information is available for the relevant geographic areas,
    the traffic information for these geographic areas is automatically identified,
    the reference code for the respective request is automatically allocated and transmitted.
  27. A system according to one of claims 20 to 26,
    characterised in that
    the electronic data processing installation may be programmed in such a way that
    the traffic information found is labelled in the central information exchange and
    these labels are transmitted to the respective terminal together with the reference code.
  28. A system according to claims 21 and 27,
    characterised in that
    the labels for traffic information already obtained may be stored temporarily in the terminal and transmitted as a component of the character-coded request to the central information exchange.
  29. A system according to one of claims 25 to 28,
    characterised in that
    the individually compiled traffic information may be provided in spoken form and stored in this way for the predetermined period in the central information exchange.
  30. A system according to one of claims 20 to 29,
    characterised in that
    the traffic information may be stored in coded form in the traffic database,
    the individual items of traffic information may be compiled in coded form and stored together with the reference code for retrieval by the terminal and
    when the traffic information is retrieved by the terminal, the compiled coded traffic information may be converted automatically in the central information exchange by a means for automatic generation of spoken information (speech generator) into the individual items of traffic information in spoken form.
  31. A system according to claim 30,
    characterised in that
    the information texts may be generated in the speech generator, which comprises a database with pre-produced speech components which are marked with unique speech component numbers, for the traffic information by stringing together appropriately selected speech components,
    the relevant traffic information found may be taken from the traffic database in coded form,
    the coded found traffic information may be converted in a first processing step by the speech generator into a string of speech component numbers,
    this individually compiled string, which represents the requested traffic information, may be held ready in the electronic data processing installation together with the reference code for retrieval by the terminal and
    when the traffic information is retrieved, this string may be converted in a second processing step by the speech generator from speech component numbers into spoken information for transmission on the speech channel.
  32. A system according to one of claims 20 to 31,
    characterised in that
    the electronic data processing installation is programmed in such a way that retrieval of the traffic information by the terminal may be controlled interactively at least in such a way that, when necessary, repetition of individual messages and/or progression to the next message is performed.
  33. A system according to claim 32,
    characterised in that
    retrieval may be controlled by pressing keys by means of the DTMF (dual tone multiple frequency) method or by speech input.
EP98914805A 1997-02-25 1998-02-18 Method and system for providing and transmitting individualized traffic information Expired - Lifetime EP0963581B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19708748 1997-02-25
DE19708748A DE19708748B4 (en) 1997-02-25 1997-02-25 Process and system for the provision and transmission of individualized traffic information
PCT/DE1998/000533 WO1998038618A1 (en) 1997-02-25 1998-02-18 Method and system for providing and transmitting individualized traffic information

Publications (2)

Publication Number Publication Date
EP0963581A1 EP0963581A1 (en) 1999-12-15
EP0963581B1 true EP0963581B1 (en) 2002-04-17

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Application Number Title Priority Date Filing Date
EP98914805A Expired - Lifetime EP0963581B1 (en) 1997-02-25 1998-02-18 Method and system for providing and transmitting individualized traffic information

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US (1) US6304758B1 (en)
EP (1) EP0963581B1 (en)
AT (1) ATE216525T1 (en)
DE (2) DE19708748B4 (en)
ES (1) ES2172124T3 (en)
WO (1) WO1998038618A1 (en)

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Also Published As

Publication number Publication date
DE59803850D1 (en) 2002-05-23
EP0963581A1 (en) 1999-12-15
ATE216525T1 (en) 2002-05-15
ES2172124T3 (en) 2002-09-16
WO1998038618A1 (en) 1998-09-03
DE19708748A1 (en) 1998-09-03
US6304758B1 (en) 2001-10-16
DE19708748B4 (en) 2004-03-25

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