EP1445750A2 - Method for transmission of traffic-relevant information and apparatus for its evaluation - Google Patents

Method for transmission of traffic-relevant information and apparatus for its evaluation Download PDF

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Publication number
EP1445750A2
EP1445750A2 EP03104272A EP03104272A EP1445750A2 EP 1445750 A2 EP1445750 A2 EP 1445750A2 EP 03104272 A EP03104272 A EP 03104272A EP 03104272 A EP03104272 A EP 03104272A EP 1445750 A2 EP1445750 A2 EP 1445750A2
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EP
European Patent Office
Prior art keywords
message
extension
traffic
basic
information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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EP03104272A
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German (de)
French (fr)
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EP1445750A3 (en
Inventor
Uwe Feindt
Volker Skwarek
Ralf Duckeck
Moez Selem
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Robert Bosch GmbH
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Robert Bosch GmbH
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Publication of EP1445750A2 publication Critical patent/EP1445750A2/en
Publication of EP1445750A3 publication Critical patent/EP1445750A3/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
    • G08G1/091—Traffic information broadcasting
    • G08G1/092—Coding or decoding of the information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/53—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers
    • H04H20/55—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for traffic information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/53—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers
    • H04H20/57—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for mobile receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65—Arrangements characterised by transmission systems for broadcast
    • H04H20/71—Wireless systems
    • H04H20/72—Wireless systems of terrestrial networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H40/00—Arrangements specially adapted for receiving broadcast information
    • H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/35—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users
    • H04H60/49—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying locations
    • H04H60/51—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying locations of receiving stations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H2201/00—Aspects of broadcast communication
    • H04H2201/10—Aspects of broadcast communication characterised by the type of broadcast system
    • H04H2201/13—Aspects of broadcast communication characterised by the type of broadcast system radio data system/radio broadcast data system [RDS/RBDS]

Definitions

  • TMC uses the event and location coding lists of the Alert-C protocol. In principle, it is possible to broadcast sufficient quantitative information about TMC to provide a comprehensive picture of the current traffic situation.
  • the disadvantage of RDS / TMC is the insufficient encodability of locations, because for reasons of data consistency, a uniform table for ALL possible nodes in a road network must be managed centrally.
  • Another method is TPEG / RTM, which can basically be used to send messages for traffic management. However, this method is not suitable for use on very limited data channels.
  • the inventive method with the features of claim 1 is suitable, quantitative To transmit information about traffic events with inner city location references. It can be taken into account that these location references are none other than the street topology need exact prior knowledge in the target card, e.g. KantenIDs. Furthermore, that is Process suitable as a functionality reduction, compatibility with those on the market Get TMC systems.
  • extension message is sent in addition to a conventional TMC traffic message ("basic message").
  • the basic announcement comprises the "normal" traffic announcement, as is already being broadcast today.
  • the extension message includes the exact location coding as it is generated by topological georeferencing methods, for example from the EU project AGORA.
  • additional information that is not defined in the TMC message is also transmitted in the extension message in flexibly expandable data containers within a transmission frame.
  • the basic message allows devices on the market to receive information about traffic management, but this is neither as precise in the event nor in the location coding as is made possible by the extension message.
  • the invention involves a traffic event quantitative, clear traffic effect assigned, for example: clear Travel time extension due to a traffic jam.
  • the basic message contains all information as specified by the ALERT-C standard for a specific event. This includes at least the information event, location and extent. To take advantage of backward compatibility, quantitative elements such as average speed and / or validity period should continue to be provided.
  • the extension message must specify the georeference that was specified in the basic message only as a TMC code. So-called "on-the-fly" methods should be used as suitable methods, which require coding without specially coded prior knowledge in the target card.
  • the extension message can specify all other information in the basic message or beyond.
  • the extension message should also refer to the basic message so that it can be uniquely identified.
  • the extension message includes a unique identification feature, such as an identification number.
  • the expansion message should be expandable by flexible containers. The information on the quantitative impact of the traffic disruption must be available at least in the basic or the expansion report. The time reference (start time, end time) should be given in at least the basic or the extension message.
  • a traffic jam occurs on a side route. This is from the Traffic situation center detected and coded.
  • the basic message includes the information "Traffic jam”, “Location 12000”, “Extension 1” and optional "Average speed 10 km / h", “Start time 7:00”, “Duration 15 min”. This information can also be found in the Extension message listed.
  • the extension message can do this Also specify information.
  • the traffic Effect ("medium speed ") are transferred.
  • the process can also be used be used according to DE 102 29 195.0 to establish a relationship between the basic message and of the supplementary notification. However, other methods can also be implemented.
  • the extension message includes at least the information "between Heinz-Müller-Strckee and marketplace "in a suitable geographic coding, ideally” on-the-fly " should be.
  • an identification of the message for later is also advantageous Administration and aftercare can be awarded.
  • the information can also be added the basic message is specified or supplemented: "Traffic jam after accident of three emergency vehicles", “Average speed 13 km / h”, “Start time 7:03", “Duration 11 min”.
  • the frame structure of the basic message is shown in FIG. 1. This starts with one "Event” followed by a “start location” and an “extension”. Optionally, you can Additional elements such as quantity, time, duration and a reference to the extension message be provided.
  • the expansion message according to FIG. 2 contains a "coded precise location (Location reference) ".
  • An ID identification number
  • a specification or Supplement to the basic message and a reference to the basic message are provided.
  • the quantitative additional element about the traffic impact of a traffic event is at least in the base message or the extension message.
  • the method according to the invention can be used in devices for evaluating transmitted Information, in particular traffic-relevant information, e.g. navigation devices be used.
  • traffic-relevant information e.g. navigation devices be used.
  • appropriate means for evaluating the Basic as well as the extension message and for dismantling the data container can be included.
  • a conventional TMC protocol can be used for the basic message.
  • the TMC protocol can be included as part of a TPEG / RTM protocol.
  • the basic message in TMC is then through TPEG / RTM, in which the extension message is housed, supplemented.
  • Another variant is a conventional TMC protocol to be provided with an additional protocol, for example the extension message for urban traffic management. Both variants should Backward compatibility must be guaranteed, i.e. conventional devices are supposed to be the basic message can continue to receive and evaluate without hardware changes.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Traffic Control Systems (AREA)
  • Monitoring And Testing Of Exchanges (AREA)

Abstract

The method of transmission of traffic information has a base information, such as TMC-traffic data having further data transmitted with it. The further data can include exact positional information for traffic occurrences. The further data has a data container for additional information in which the basic data is not held. The further data container can include identification for the base data.

Description

Stand der TechnikState of the art

Es sind Verfahren bekannt, mit denen Verkehrsinformationsdienste ausgestrahlt werden können. Dazu gehört beispielsweise RDS/TMC als digitaler Rundfunkdienst. TMC greift dabei auf die Ereignis- und Ortskodierungslisten des Alert-C-Protokolls zurück. Grundsätzlich ist es möglich, ausreichende quantitative Informationen über TMC mit auszustrahlen, um ein umfassendes Bild über eine aktuelle Verkehrslage zu liefern. Der Nachteil von RDS/TMC besteht in der unzureichenden Kodierbarkeit von Orten, da aus Gründen der Datenkonsistenz eine einheitliche Tabelle für ALLE möglichen Knotenpunkte in einem Straßennetz zentral verwaltet werden muss.
Ein anderes Verfahren ist TPEG/RTM, mit dem grundsätzlich Meldungen für Verkehrsmanagement abgesetzt werden können. Dieses Verfahren ist jedoch nicht geeignet, um auf stark begrenzten Datenkanälen eingesetzt zu werden.Methods are known with which traffic information services can be broadcast. This includes, for example, RDS / TMC as a digital broadcasting service. TMC uses the event and location coding lists of the Alert-C protocol. In principle, it is possible to broadcast sufficient quantitative information about TMC to provide a comprehensive picture of the current traffic situation. The disadvantage of RDS / TMC is the insufficient encodability of locations, because for reasons of data consistency, a uniform table for ALL possible nodes in a road network must be managed centrally.
Another method is TPEG / RTM, which can basically be used to send messages for traffic management. However, this method is not suitable for use on very limited data channels.

Vorteile der ErfindungAdvantages of the invention

Das erfmdungsgemäße Verfahren mit den Merkmalen des Anspruchs 1 ist geeignet, quantitative Informationen über Verkehrsereignisse mit innerstädtischen Ortsreferenzen zu übertragen. Dabei kann berücksichtigt werden, dass diese Ortsreferenzen außer der Straßentopologie kein exaktes Vorabwissen in der Zielkarte benötigen sollen, wie z.B. KantenIDs. Weiterhin ist das Verfahren geeignet als Funktionalitätsreduktion eine Kompatibilität zu im Markt befindlichen TMC-Systemen zu erhalten. The inventive method with the features of claim 1 is suitable, quantitative To transmit information about traffic events with inner city location references. It can be taken into account that these location references are none other than the street topology need exact prior knowledge in the target card, e.g. KantenIDs. Furthermore, that is Process suitable as a functionality reduction, compatibility with those on the market Get TMC systems.

Der Kern der Erfindung besteht darin, dass zu einer herkömmlichen TMC-Verkehrsmeldung ("Basismeldung") eine zusätzliche Meldung ("Erweiterungsmeldung") versendet wird. Die Basismeldung umfasst die "normale" Verkehrsmeldung, wie sie schon heute über Rundfunk versendet wird. Die Erweiterungsmeldung umfasst die exakte Ortskodierung wie sie durch topologische Georeferenzierungsverfahren zum Beispiel aus dem EU-Projekt AGORA erzeugt wird. Zusätzlich werden in der Erweiterungsmeldung in flexibel erweiterbaren Daten-Containern innerhalb eines Übertragungsrahmens Zusatzinformationen mit übertragen, die in der TMC-Meldung nicht definiert sind.
Durch die Basismeldung können im Markt befindliche Geräte auch Informationen über Verkehrsmanagement empfangen, die jedoch weder im Ereignis noch in der Ortskodierung so exakt sind, wie sie durch die Erweiterungsmeldung ermöglicht werden.The essence of the invention is that an additional message ("extension message") is sent in addition to a conventional TMC traffic message ("basic message"). The basic announcement comprises the "normal" traffic announcement, as is already being broadcast today. The extension message includes the exact location coding as it is generated by topological georeferencing methods, for example from the EU project AGORA. In addition, additional information that is not defined in the TMC message is also transmitted in the extension message in flexibly expandable data containers within a transmission frame.
The basic message allows devices on the market to receive information about traffic management, but this is neither as precise in the event nor in the location coding as is made possible by the extension message.

Im Gegensatz zu herkömmlichen Verfahren wird bei der Erfindung einem Verkehrsereignis ein quantitativer, eindeutiger verkehrlicher Effekt zugeordnet, zum Beispiel: eindeutige Reisezeitverlängerung durch einen Stau.In contrast to conventional methods, the invention involves a traffic event quantitative, clear traffic effect assigned, for example: clear Travel time extension due to a traffic jam.

Zeichnungendrawings

Anhand der Zeichnungen werden Ausführungsbeispiele der Erfindung erläutert. Es zeigen

  • Figur 1 den Rahmenaufbau einer Basismeldung und
  • Figur 2 den Rahmenaufbau einer Erweiterungsmeldung.
    • Exemplary embodiments of the invention are explained on the basis of the drawings. Show it
  • Figure 1 shows the frame structure of a basic message and
  • Figure 2 shows the frame structure of an extension message.

    • Beschreibung von AusführungsbeispielenDescription of exemplary embodiments

    Die Basismeldung enthält alle Informationen, wie sie für ein bestimmtes Ereignis durch den ALERT-C-Standard vorgegeben sind. Dazu gehören mindestens die Informationen Ereignis, Ort und Ausdehnung. Um die Vorteile der Abwärtskompatibilität nutzen zu können, sollten weiterhin quantitative Elemente wie die durchschnittliche Geschwindigkeit und/oder Gültigkeitszeitraum angegeben werden. Zudem ist es möglich auf eine folgende Erweiterungsmeldung zu verweisen durch das Verfahren gemäß DE 102 29 195.0.
    Die Erweiterungsmeldung muss die Georeferenz präzisieren, die in der Basismeldung nur als TMC-Code angegeben wurde. Als geeignete Verfahren sollten dazu sogenannte "on-the-fly"-Verfahren eingesetzt werden, die eine Kodierung ohne speziell kodiertes Vorabwissen in der Zielkarte erfordern. Weiterhin kann die Erweiterungsmeldung alle weiteren Informationen der Basismeldung oder auch darüber hinaus präzisieren.
    Die Erweiterungsmeldung sollte sich darüber hinaus auf die Basismeldung beziehen, um hier eine Eindeutigkeit herstellen zu können. Zusätzlich ist es vorteilhaft, wenn die Erweiterungsmeldung ein eindeutiges Identifikationsmerkmal wie beispielsweise eine Identifikationsnummer umfasst.
    Als weitere vorteilhafte Ausgestaltung sollte die Erweiterungsmeldung durch flexible Container erweiterbar sein.
    Die Informationen über die quantitative Wirkung der Verkehrsstörung muss mindestens in der Basis- oder der Erweiterungsmeldung vorhanden sein. Der zeitliche Bezug (Startzeit, Endzeit) sollte in mindestens der Basis- oder der Erweiterungsmeldung gegeben sein.    The basic message contains all information as specified by the ALERT-C standard for a specific event. This includes at least the information event, location and extent. To take advantage of backward compatibility, quantitative elements such as average speed and / or validity period should continue to be provided. In addition, it is possible to refer to a following extension message using the method according to DE 102 29 195.0.
    The extension message must specify the georeference that was specified in the basic message only as a TMC code. So-called "on-the-fly" methods should be used as suitable methods, which require coding without specially coded prior knowledge in the target card. Furthermore, the extension message can specify all other information in the basic message or beyond.
    The extension message should also refer to the basic message so that it can be uniquely identified. In addition, it is advantageous if the extension message includes a unique identification feature, such as an identification number.
    As a further advantageous embodiment, the expansion message should be expandable by flexible containers.
    The information on the quantitative impact of the traffic disruption must be available at least in the basic or the expansion report. The time reference (start time, end time) should be given in at least the basic or the extension message.

    Nachfolgend wird ein konkretes Ausführungsbeispiel beschrieben.A concrete exemplary embodiment is described below.

    In einer Stadt tritt ein Stau auf einer Nebenstrecke auf. Dieser wird von der Verkehrslagezentrale detektiert und kodiert. Die Basismeldung umfasst die Informationen "Stau", "Location 12000", "Ausdehnung 1" und optional "Mittlere Geschwindigkeit 10 km/h", "Startzeit 7:00", "Dauer 15 min". Diese Informationen können aber auch in der Erweiterungsmeldung aufgeführt sein. Optional kann die Erweiterungsmeldung diese Informationen auch präzisieren. In mindestens einer Meldung muß aber die verkehrliche Wirkung ("Mittlere Geschwindigkeit...")übertragen werden. Optional kann noch das Verfahren gemäß DE 102 29 195.0 verwertet werden, um einen Bezug zwischen der Basismeldung und der Ergänzungsmeldung herzustellen. Es sind aber auch andere Verfahren realisierbar.In a city, a traffic jam occurs on a side route. This is from the Traffic situation center detected and coded. The basic message includes the information "Traffic jam", "Location 12000", "Extension 1" and optional "Average speed 10 km / h", "Start time 7:00", "Duration 15 min". This information can also be found in the Extension message listed. Optionally, the extension message can do this Also specify information. In at least one message, however, the traffic Effect ("medium speed ...") are transferred. Optionally, the process can also be used be used according to DE 102 29 195.0 to establish a relationship between the basic message and of the supplementary notification. However, other methods can also be implemented.

    Die Erweiterungsmeldung umfasst mindestens die Information "zwischen Heinz-Müller-Straße und Marktplatz" in einer geeigneten geographischen Kodierung, die idealer Weise "on-the-fly" sein sollte. Darüber hinaus wird vorteilhaft noch eine Identifikation der Meldung zur späteren Verwaltung und Nachbehandlung vergeben werden. Zusätzlich können noch die Informationen der Basismeldung präzisiert oder ergänzt werden: "Stau nach Unfall dreier Rettungsfahrzeuge", "Mittlere Geschwindigkeit 13 km/h", "Startzeit 7:03", "Dauer 11 min".The extension message includes at least the information "between Heinz-Müller-Straße and marketplace "in a suitable geographic coding, ideally" on-the-fly " should be. In addition, an identification of the message for later is also advantageous Administration and aftercare can be awarded. The information can also be added the basic message is specified or supplemented: "Traffic jam after accident of three emergency vehicles", "Average speed 13 km / h", "Start time 7:03", "Duration 11 min".

    Der Rahmenaufbau der Basismeldung ist in Figur 1 dargestellt. Diese beginnt mit einem "Ereignis" gefolgt von einer "Start Location" und einer "Ausdehnung". Optional können Zusatzelemente wie Quantität, Zeit, Dauer und ein Verweis auf die Erweiterungsmeldung vorgesehen sein.The frame structure of the basic message is shown in FIG. 1. This starts with one "Event" followed by a "start location" and an "extension". Optionally, you can Additional elements such as quantity, time, duration and a reference to the extension message be provided.

    Die Erweiterungsmeldung gemäß Figur 2 enthält eine "kodierte präzise Location (Ortsreferenz)". Optional ist hier eine ID (Identifikationsnummer), eine Präzisierung oder Ergänzung der Basismeldung sowie ein Verweis auf die Basismeldung vorgesehen. Das quantitative Zusatzelement über die verkehrliche Wirkung eines Verkehrsereignisses ist mindestens in der Basismeldung oder der Erweiterungsmeldung vorhanden.The expansion message according to FIG. 2 contains a "coded precise location (Location reference) ". An ID (identification number), a specification or Supplement to the basic message and a reference to the basic message are provided. The quantitative additional element about the traffic impact of a traffic event is at least in the base message or the extension message.

    Das Verfahren nach der Erfindung kann in Geräten zur Auswertung von übertragenen Informationen, insbesondere verkehrsrelevanten Informationen, z.B. Navigationsgeräten verwendet werden. Dazu müssen in diesen Geräten entsprechende Mittel zur Auswertung der Basis- sowie der Erweiterungsmeldung sowie zur Zerlegung der Daten-Container enthalten sein.The method according to the invention can be used in devices for evaluating transmitted Information, in particular traffic-relevant information, e.g. navigation devices be used. For this purpose, appropriate means for evaluating the Basic as well as the extension message and for dismantling the data container can be included.

    Für die Basismeldung kann ein herkömmliches TMC-Protokoll verwendet werden. Das TMC-Protokoll kann als Teilelement in ein TPEG/RTM-Protokoll eingebracht werden. Die Basismeldung in TMC wird dann durch TPEG/RTM, in der die Erweiterungsmeldung untergebracht ist, ergänzt. Eine andere Variante besteht darin ein herkömmmliches TMC-Protokoll mit einem Zusatzprotokoll zu versehen, das die Erweiterungsmeldung beispielsweise für ein städtisches Verkehrsmanagement enthält. Bei beiden Varianten sollte Abwärtskompatibilität gewährleistet sein, d.h. herkömmliche Geräte sollen die Basismeldung ohne Hardwareänderungen weiter empfangen und auswerten können.A conventional TMC protocol can be used for the basic message. The TMC protocol can be included as part of a TPEG / RTM protocol. The The basic message in TMC is then through TPEG / RTM, in which the extension message is housed, supplemented. Another variant is a conventional TMC protocol to be provided with an additional protocol, for example the extension message for urban traffic management. Both variants should Backward compatibility must be guaranteed, i.e. conventional devices are supposed to be the basic message can continue to receive and evaluate without hardware changes.

    Claims (11)

    Verfahren zur Übertragung von Informationen, insbesondere verkehrsrelevanter Informationen, wobei zu einer Basismeldung, z.B. einer TMC-Verkehrsmeldung, eine Erweiterungsmeldung versendet wird, welche eine exakte Ortscodierung eines Ereignisses, insbesondere eines Verkehrsereignisses enthält, und wobei zumindest für die Erweiterungsmeldung ein Datencontainer für Zusatzinformationen vorgesehen wird, die in der Basismeldung nicht enthalten sind.Process for the transmission of information, in particular traffic-relevant Information, with a basic message, e.g. a TMC traffic report, an extension message is sent, which contains an exact location coding Contains event, in particular a traffic event, and at least for the extension message provided a data container for additional information that are not included in the basic message. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass ein quantitatives Zusatzelement über eine verkehrliche Wirkung eines Verkehrsereignisses entweder in der Basismeldung oder in der Erweiterungsmeldung übertragen wird.A method according to claim 1, characterized in that a quantitative additional element about a traffic effect of a traffic event is transmitted either in the basic message or in the extension message. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass in der Basismeldung ein Verweis auf die Erweiterungsmeldung übertragen wird.A method according to claim 1 or 2, characterized in that a reference to the extension message is transmitted in the base message. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass in der Erweiterungsmeldung ein Verweis auf die Basismeldung übertragen wird.Method according to claim 1 or 2, characterized in that a reference to the basic message is transmitted in the extension message. Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass in der Erweiterungsmeldung eine Identifikation der Meldung übertragen wird.Method according to one of claims 1 to 4, characterized in that an identification of the message is transmitted in the extension message. Verfahren nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass der/die Datencontainer flexibel erweiterbar ausgebildet wird/werden. Method according to one of claims 1 to 5, characterized in that the data container (s) is / are designed to be flexibly expandable. Verfahren nach einem der Ansprüche 2 bis 6, dadurch gekennzeichnet, dass die Erweiterungsmeldung in Relation zur Basismeldung abwärtskompatibel übertragen wird, d.h. dass herkömmliche Geräte für die Basismeldung diese ohne Hardwareänderungen weiterhin auswerten können.Method according to one of Claims 2 to 6, characterized in that the extension message is transmitted in a downward-compatible manner in relation to the basic message, ie conventional devices for the basic message can continue to evaluate them without hardware changes. Verfahren nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die exakte Ortskodierung ohne speziell kodiertes Vorabwissen, beispielsweise einer Zielkarte, vorgenommen wird.Method according to one of claims 1 to 7, characterized in that the exact location coding is carried out without specially coded prior knowledge, for example a destination map. Verfahren nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass für die Basismeldung ein TMC-Übertragungs-Protokoll verwendet wird, welches für die Erweiterungsmeldung durch ein TPEG/RTM-Übertragungs-Protokoll ergänzt wird.Method according to one of claims 1 to 8, characterized in that a TMC transmission protocol is used for the basic message, which is supplemented by a TPEG / RTM transmission protocol for the extension message. Verfahren nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass für die Basismeldung ein herkömmliches TMC-Übertragungsprotokoll verwendet wird, welches bezüglich der Erweiterungsmeldung durch eine Protokollerweiterung ergänzt wird.Method according to one of claims 1 to 8, characterized in that a conventional TMC transmission protocol is used for the basic message, which is supplemented by a protocol extension with respect to the extension message. Gerät insbesondere zur Auswertung von übertragenen Informationen, insbesondere von verkehrsrelevanten Informationen, mit Mitteln zur Auswertung einer Basismeldung, z.B. einer TMC-Verkehrsmeldung, und einer Erweiterungsmeldung, welche eine exakte Ortscodierung eines Ereignisses, insbesondere eines Verkehrsereignisses enthält, und Mitteln zur Auswertung mindestens eines Datencontainers für Zusatzinformationen innerhalb der Erweiterungsmeldung, die in der Basismeldung nicht enthalten sind.Device in particular for evaluating transmitted information, in particular of traffic-relevant information, with means for evaluating a Basic message, e.g. a TMC traffic announcement and an extension announcement, which an exact location coding of an event, in particular one Contains traffic event, and means for evaluating at least one Data container for additional information within the extension message, which in the basic message are not included.
    EP03104272A 2003-02-04 2003-11-19 Method for transmission of traffic-relevant information and apparatus for its evaluation Withdrawn EP1445750A3 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE10304546 2003-02-04
    DE2003104546 DE10304546A1 (en) 2003-02-04 2003-02-04 Method of transmission of traffic data uses base data transmission with additional data transmitted at same time and carrying traffic positional data

    Publications (2)

    Publication Number Publication Date
    EP1445750A2 true EP1445750A2 (en) 2004-08-11
    EP1445750A3 EP1445750A3 (en) 2004-08-25

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