EP1118972B1 - Method and Arrangement for automatic allocation of the additional information describing the orgin of traffic disturbances to the traffic messages related to the traffic disturbances in a particular region of a road network - Google Patents
Method and Arrangement for automatic allocation of the additional information describing the orgin of traffic disturbances to the traffic messages related to the traffic disturbances in a particular region of a road network Download PDFInfo
- Publication number
- EP1118972B1 EP1118972B1 EP00250403A EP00250403A EP1118972B1 EP 1118972 B1 EP1118972 B1 EP 1118972B1 EP 00250403 A EP00250403 A EP 00250403A EP 00250403 A EP00250403 A EP 00250403A EP 1118972 B1 EP1118972 B1 EP 1118972B1
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- European Patent Office
- Prior art keywords
- traffic
- supplementary information
- overlap
- road
- road network
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- 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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Classifications
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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
- G08G1/093—Data selection, e.g. prioritizing information, managing message queues, selecting the information to be output
Definitions
- the invention relates to a method for the automatic assignment of additional information describing the causes of traffic congestion to traffic information relating to traffic congestion in a particular area of a road traffic network and to a traffic situation detection center for carrying out the method.
- traffic conditions can change very quickly. Due to the high volume of traffic and the individual driving behavior of the road users, statistical fluctuations in the traffic flow occur, which alone can lead to severe traffic disturbances. There are also dynamically changing route-related boundary conditions in the form of speed limits, changes in the number of lanes, weather changes, gradients, construction sites, etc., which contribute to changes in the traffic situation in a difficult to predict way.
- Road users are notified of such traffic impairments in the form of traffic reports via different information channels. In this way, they learn the traffic status as well as the location and length of a fault and can react accordingly.
- the object of the present invention is to enable the most automatic, reliable, stable assignment of point or distance-related additional information representing the cause of traffic disturbances mentioned in traffic reports to areas of the road traffic network designated by the traffic message, in particular to traffic domains.
- Traffic domains are areas and / or routes of a road network with sufficiently similar traffic characteristics (such as speeds, flow, traffic density, derived parameters, etc.).
- An essential property of traffic domains is that they change dynamically. They expand, they grow, divide, migrate, merge, until they dissolve and reunite. This means that a traffic domain does not readily follow a route-related cause, which in the case of a construction site e.g. is indicated by the mileage value of its beginning and end on a road, can be stably assigned.
- a simple overlap criterion is not enough, as it can lead to bouncing message attributes depending on how the traffic domain moves.
- these problems in particular also the stable assignment of distance-related additional information to traffic reports and dynamic traffic domains, are solvable by using a hysteresis in the decision on the assignment of additional information to traffic reports.
- the procedure can be used on all highways, highways and highways for further information of motorists. This supplemented with additional information traffic reports are also suitable for the preparation of travel time forecasts and detour recommendations, as well as for direct vehicle control and traffic guidance and for many other services.
- Additional information includes construction sites, gradients, declines, areas with fixed track numbers, areas with speed restrictions, sections with poor weather or road conditions, accident locations or points with track number changes.
- This information can be obtained from a variety of sources, such as motorway maintenance depots, corresponding sites on the Internet, national registration offices, the ADAC, Helicopter surveillance, details of road users, the police, etc.
- An overlap criterion is used to determine the degree of overlap between the scope of the traffic reports on the one hand and the additional information on the other hand.
- Result can be e.g. be an overlap on a distance of 2 kilometers.
- the lengths of the scope of the traffic domains and the additional information are additionally used.
- degree of overlap overlap ( transport domain . roadworks ) min ( length ( transport domain ) . length ( roadworks ) )
- the preceding criterion of the degree of overlap can also be used by assigning this information a traffic-technically meaningful scope, e.g. 2 km before a lane narrowing.
- the overlap may be determined from the beginning and end points of the scopes of the traffic reports and the additional information, but the scopes may also be in the form of more or less weighted indicators, each for small intervals of e.g. 200 meters are considered along a road.
- the degree of overlap can then be compared to a threshold, e.g. 0.5, which decides whether the additional information is to be assigned to a traffic message as a cause or a hint.
- a threshold e.g. 0.5
- the thresholds 0.4 and 0.6 for the degree of overlap, it is determined whether an assignment takes place. If a certain additional information has already been assigned to a traffic message, then the degree of overlap must fall below the lower threshold (here 0.4) so that the additional information can no longer be assigned to this traffic message. On the other hand, if additional information has not yet been assigned to a traffic report, then the degree of overlap must rise above the upper threshold (in this case 0.6), so that an assignment is made. A jumping back and forth of the assignment is thus avoided if the degree of overlap, for example, would be in the vicinity of 0.5.
- the method is used cyclically for all traffic domains or for all routes to be considered for updating the determined information.
- a traffic message and associated additional information can be transmitted via different media such as radio, DRB, mobile radio short messages to a terminal user, groups of terminal users or as a broadcast message (e.g., SMS-CB).
Abstract
Description
Die Erfindung betrifft ein Verfahren zur automatischen Zuordnung von die Ursachen von Verkehrsstörungen beschreibenden Zusatzinformationen zu die Verkehrsstörungen in einem bestimmten Bereich eines Straßenverkehrsnetzes betreffenden Verkehrsmeldungen sowie eine Verkehrslageerfassungszentrale zur Durchführung des Verfahrens.The invention relates to a method for the automatic assignment of additional information describing the causes of traffic congestion to traffic information relating to traffic congestion in a particular area of a road traffic network and to a traffic situation detection center for carrying out the method.
Im Straßenverkehr können sich Verkehrszustände sehr schnell ändern. Aufgrund eines hohen Verkehrsaufkommens und des individuellen Fahrverhaltens der Verkehrsteilnehmer entstehen statistische Schwankungen im Verkehrsfluß, die bereits alleine zu starken Verkehrsbeeinträchtigungen führen können. Hinzu kommen noch dynamisch wechselnde streckenbezogene Randbedingungen in Form von Geschwindigkeitsbegrenzungen, Änderungen in der Anzahl der Fahrspuren, Wetteränderungen, Steigungen, Baustellen usw., die zu Veränderungen in der Verkehrssituation in schwer vorhersehbarer Weise beitragen.In traffic, traffic conditions can change very quickly. Due to the high volume of traffic and the individual driving behavior of the road users, statistical fluctuations in the traffic flow occur, which alone can lead to severe traffic disturbances. There are also dynamically changing route-related boundary conditions in the form of speed limits, changes in the number of lanes, weather changes, gradients, construction sites, etc., which contribute to changes in the traffic situation in a difficult to predict way.
Den Verkehrsteilnehmern werden solche Verkehrsbeeinträchtigungen in Form von Verkehrsmeldungen über unterschiedliche Informationskanäle zur Kenntnis gebracht. So erfahren sie den Verkehrszustand sowie den Ort und die Länge einer Störung und können entsprechend darauf reagieren.Road users are notified of such traffic impairments in the form of traffic reports via different information channels. In this way, they learn the traffic status as well as the location and length of a fault and can react accordingly.
Um den Autofahrern auch den Grund einer Verkehrsstörung mitzuteilen, sollen diese Verkehrsmeldungen um Zusatzinformationen, welche die Ursache der Störung näher charakterisieren, ergänzt werden.In order to inform motorists of the reason for a traffic disruption, these traffic reports should be supplemented by additional information which further characterizes the cause of the disturbance.
Es ist kein Verfahren bekannt, welches strecken- oder punktbezogene Zusatzinformationen automatisch nach einem Zuordnungskriterium dynamischen Verkehrsdomänen oder überhaupt Verkehrsmeldungen hinzufügt.No method is known which automatically adds route-related or point-related additional information according to a dynamic traffic domain allocation criterion or traffic information at all.
Aufgabe der vorliegenden Erfindung ist das Ermöglichen einer möglichst automatischen, zuverlässigen, stabilen Zuordnung von punkt- oder streckenbezogenen, die Ursache von in Verkehrsmeldungen genannten Verkehrsstörungen repräsentierenden Zusatzinformationen zu von der Verkehrsmeldung bezeichneten Bereichen des Straßenverkehrsnetzes, insbesondere zu Verkehrsdomänen. Verkehrsdomänen sind Bereiche und/oder Strecken eines Straßenverkehrsnetzes mit hinreichend ähnlichen Verkehrseigenschaften (wie Geschwindigkeiten, Fluss, Verkehrsdichte, abgeleitete Parameter usw.). Die Aufgabe wird durch die Gegenstände der unabhängigen Ansprüche gelöst.The object of the present invention is to enable the most automatic, reliable, stable assignment of point or distance-related additional information representing the cause of traffic disturbances mentioned in traffic reports to areas of the road traffic network designated by the traffic message, in particular to traffic domains. Traffic domains are areas and / or routes of a road network with sufficiently similar traffic characteristics (such as speeds, flow, traffic density, derived parameters, etc.). The object is solved by the subject matters of the independent claims.
Bei der Realisierung dieser Zielsetzungen werden folgende Probleme gelöst: Eine wesentliche Eigenschaft der Verkehrsdomänen ist es, dass sie sich dynamisch verändern. Sie breiten sich aus, sie wachsen, teilen sich auf, wandern, verschmelzen, bis sie sich auflösen und wieder freie Fahrt besteht. Dies bedeutet, dass eine Verkehrsdomäne nicht ohne weiteres einer streckenbezogenen Ursache, welche im Falle einer Baustelle z.B. durch den Kilometerwert ihres Beginns und ihres Endes auf einer Straße angegeben ist, stabil zugeordnet werden kann. Ein einfaches Überlappungskriterium reicht nicht aus, da es zu hin- und herspringenden Meldungsattributen führen kann, je nachdem, wie die Verkehrsdomäne wandert.In realizing these objectives, the following problems are solved: An essential property of traffic domains is that they change dynamically. They expand, they grow, divide, migrate, merge, until they dissolve and reunite. This means that a traffic domain does not readily follow a route-related cause, which in the case of a construction site e.g. is indicated by the mileage value of its beginning and end on a road, can be stably assigned. A simple overlap criterion is not enough, as it can lead to bouncing message attributes depending on how the traffic domain moves.
Erfindungsgemäß sind diese Probleme, insbesondere auch das der stabilen Zuordnung von streckenbezogenen Zusatzinformationen zu Verkehrsmeldungen und dynamischen Verkehrsdomänen, lösbar durch Verwendung einer Hysterese bei der Entscheidung über die Zuordnung von Zusatzinformationen zu Verkehrsmeldungen.According to the invention, these problems, in particular also the stable assignment of distance-related additional information to traffic reports and dynamic traffic domains, are solvable by using a hysteresis in the decision on the assignment of additional information to traffic reports.
Das Verfahren ist auf allen Autobahnen, Schnell- und Landstraßen zur weitergehenden Information der Autofahrer einsetzbar. Diese um Zusatzinformationen ergänzten Verkehrsmeldungen sind auch geeignet zur Erstellung von Reisezeitprognosen und Umleitungsempfehlungen sowie zur direkten Fahrzeugbeeinflussung und Verkehrslenkung sowie für zahlreiche andere Dienste.The procedure can be used on all highways, highways and highways for further information of motorists. This supplemented with additional information traffic reports are also suitable for the preparation of travel time forecasts and detour recommendations, as well as for direct vehicle control and traffic guidance and for many other services.
Weitere Merkmale ergeben sich aus der Beschreibung eines Ausführungsbeispiels und aus den Ansprüchen.Further features will become apparent from the description of an embodiment and from the claims.
Zu Beginn eines Aktualisierungslaufes von Verkehrsmeldungen liegt eine Liste mit strecken- und/oder punktbezogenen Zusatzinformationen vor, welche jeweils Verkehrsmeldungen in einer Liste von Verkehrsmeldungen zugeordnet werden sollen. Kann eine Zuordnung vorgenommen werden, so wird die Verkehrsmeldung um die Zusatzinformation als Ursache oder Hinweis ergänzt.At the beginning of an update run of traffic reports is a list with distance and / or point-related additional information, which should be assigned to traffic information in a list of traffic reports. If an assignment can be made, the traffic information is supplemented by the additional information as a cause or a hint.
Zusatzinformationen sind z.B. Baustellenbereiche, Steigungs- oder Gefällstrecken, Bereiche mit fester Spurzahl, Bereiche mit Geschwindigkeitsbeschränkungen, Streckenabschnitte mit schlechten Wetter- oder Fahrbahnbedingungen, Unfallorte oder Punkte mit Spurzahländerungen. Diese Informationen können aus verschiedenen Quellen bezogen werden, z.B. von Autobahnmeistereien, aus entsprechenden Seiten des Internets, von Landesmeldestellen, vom ADAC, von
Hubschrauberüberwachungen, von Einzelangaben von Verkehrsteilnehmern, von der Polizei usw.Additional information includes construction sites, gradients, declines, areas with fixed track numbers, areas with speed restrictions, sections with poor weather or road conditions, accident locations or points with track number changes. This information can be obtained from a variety of sources, such as motorway maintenance depots, corresponding sites on the Internet, national registration offices, the ADAC,
Helicopter surveillance, details of road users, the police, etc.
Über ein Überlappungskrtterium wird der Grad der Überlappung zwischen den Geltungsbereichen der Verkehrsmeldungen einerseits und den Zusatzinformationen andererseits bestimmt. Ergebnis kann z.B. eineÜberlappung auf einer Strecke von 2 Kilometern sein.An overlap criterion is used to determine the degree of overlap between the scope of the traffic reports on the one hand and the additional information on the other hand. Result can be e.g. be an overlap on a distance of 2 kilometers.
Um ein normiertes Maß, das auch einheitlich vergleichbar ist, zu erhalten werden zusätzlich die Längen der Geltungsbereiche der Verkehrsdomänen und der Zusatzinformationen verwendet. Beispielsweise kann es für eine Baustelle wie folgt festgelegt werden: 
Je nach verkehrstechnischer Bedeutung der Zusatzinformationen können auch Bereiche vor oder nach den Geltungsbereichen der Zusatzinformationen verwendet werden, z.B. eine Strecke von 2 km Länge vor einer Baustelle. Andere verkehrstechnisch sinnvolle Größen können hier ebenfalls berücksichtigt werden, z.B. als Gewichtsfaktoren.Depending on the traffic-related importance of the additional information, it is also possible to use areas before or after the scope of the additional information, for example a distance of 2 km in front of a construction site. Other traffic-technically meaningful quantities can also be taken into account here, eg as weighting factors.
Für punktbezogene Zusatzinformationen kann das vorhergehende Kriterium des Überlappungsgrades ebenfalls verwendet werden, indem man diesen Informationen einen verkehrstechnisch sinnvollen Geltungsbereich zuweist, z.B. 2 km vor einer Fahrbahnverengung.For point-related additional information, the preceding criterion of the degree of overlap can also be used by assigning this information a traffic-technically meaningful scope, e.g. 2 km before a lane narrowing.
Die Überlappung kann aus den Anfangs- und Endpunkten der Geltungsbereiche der Verkehrsmeldungen und der Zusatzinformationen bestimmt werden, die Geltungsbereiche können aber auch in Form von mehr oder weniger stark gewichteten Indikatoren, welche jeweils für kleine Intervalle von z.B. 200 Metern gelten, entlang einer Straße berücksichtigt werden.The overlap may be determined from the beginning and end points of the scopes of the traffic reports and the additional information, but the scopes may also be in the form of more or less weighted indicators, each for small intervals of e.g. 200 meters are considered along a road.
Der Grad der Überlappung kann dann verglichen werden mit einem Schwellwert, z.B. 0,5, welcher darüber entscheidet, ob die Zusatzinformation einer Verkehrsmeldung als Ursache oder Hinweis zuzuordnen ist.The degree of overlap can then be compared to a threshold, e.g. 0.5, which decides whether the additional information is to be assigned to a traffic message as a cause or a hint.
Da die von Verkehrsmeldungen betroffenen Bereiche bzw. Verkehrsdomänen sich jedoch dynamisch verhalten, also wachsen, schrumpfen und wandern können, und dies auch einige Zusatzinformationen tun können (z.B. Bereiche örtlicher Wetterlagen), wäre diese Vorgehensweise alleine jedoch problematisch. Es wird daher zusätzlich eine Hysterese für den Grad der Überlappung verwendet, welche die Zuordnung in aufeinanderfolgenden Aktualisierungsläufen für die Verkehrsmeldungen stabilisiert. Es ist daher wichtig, dass zunächst aus dem Überlappungsgrad noch keine diskrete Entscheidung für eine Zuordnung getroffen wird.However, since the areas or traffic domains affected by traffic reports may behave dynamically, ie grow, shrink and migrate, and may also do some additional information (e.g., areas of local weather conditions), this approach alone would be problematic. Therefore, an additional hysteresis for the degree of overlap is used, which stabilizes the allocation in successive updating runs for the traffic reports. It is therefore important that initially no discrete decision for an assignment is made from the degree of overlap.
Über die Hystereseparameter, z.B. die Schwellen 0,4 und 0,6, für den Überlappungsgrad wird festgelegt, ob eine Zuordnung erfolgt. Ist einer Verkehrsmeldung bereits eine bestimmte Zusatzinformation zugeordnet worden, so muss der Überlappungsgrad unter die untere Schwelle (hier 0,4) sinken, um die Zusatzinformation nicht mehr dieser Verkehrsmeldung zuzuordnen. Ist eine Zusatzinformation dagegen noch nicht einer Verkehrsmeldung zugeordnet worden, so muss der Überiappungsgrad über die obere Schwelle (hier 0,6) ansteigen, damit eine Zuordnung vorgenommen wird.
Ein Hin- und Herspringen der Zuordnung wird so vermieden, wenn sich der Überlappungsgrad z.B. hier in der Nähe von 0,5 einstellen würde.By means of the hysteresis parameters, for example the thresholds 0.4 and 0.6, for the degree of overlap, it is determined whether an assignment takes place. If a certain additional information has already been assigned to a traffic message, then the degree of overlap must fall below the lower threshold (here 0.4) so that the additional information can no longer be assigned to this traffic message. On the other hand, if additional information has not yet been assigned to a traffic report, then the degree of overlap must rise above the upper threshold (in this case 0.6), so that an assignment is made.
A jumping back and forth of the assignment is thus avoided if the degree of overlap, for example, would be in the vicinity of 0.5.
Das Verfahren wird zyklisch für alle Verkehrsdomänen bzw. für alle zu betrachtenden Strecken zur Aktualisierung der ermittelten Informationen angewendet.The method is used cyclically for all traffic domains or for all routes to be considered for updating the determined information.
Eine Verkehrsmeldung und eine zugeordnete Zusatzinformation können über unterschiedliche Medien wie Radio, DRB, Mobilfunkkurznachrichten an einen Endgerätnutzer, Gruppen von Endgerätnutzem oder als Rundspruchnachricht (z.B. SMS-CB) ausgesendet werden.A traffic message and associated additional information can be transmitted via different media such as radio, DRB, mobile radio short messages to a terminal user, groups of terminal users or as a broadcast message (e.g., SMS-CB).
Claims (15)
- Method for the automatic allocation of supplementary information describing the causes of traffic congestion to the traffic reports relating to traffic congestion in a specific region of a road network,
wherein the decision as to whether an item of supplementary information representing the cause of the congestion or advisory concerning the congestion is to be allocated to the traffic report in order to permit combined transmission to road users of the road network is reached on the basis of an overlap factor representing the degree of overlap between the region of the road network affected by the traffic report and the region of the road network affected by the supplementary information,
wherein the overlap factor specifies the degree of overlap of the region affected by the supplementary information with the region affected by the traffic reports, and a hysteresis for the degree of overlap provided by the overlap criterion is used, said hysteresis considering whether or not an item of supplementary information representing the causes and/or advisories in question has already been allocated to a traffic report in the preceding update step. - Method according to claim 1, characterized in that the regions affected by the traffic report and/or supplementary information are road sections of the road network and the overlap factor indicates their degree of overlap proportionally, in particular as a percentage.
- Method according to claim 1, characterized in that the regions affected by the traffic report and/or supplementary information are areas of the road network and the overlap factor indicates their degree of overlap proportionally, in particular as a percentage.
- Method according to claim 1, characterized in that the road network regions affected by the traffic report and/or supplementary information are traffic domains, each designating a region of the road network with the same or similar traffic conditions, with the movement, dissolution, growth, or shrinkage of said domains being calculated during generation of the traffic report.
- Method according to any one of the preceding claims, characterized in that the overlap criterion provides a continuous value, e.g. between 0 and 1, said value indicating incrementally the allocation of the supplementary information to a traffic report.
- Method according to any one of the preceding claims, characterized in that, in addition to using the local areas of applicability of the traffic reports and supplementary information the overlap criterion also uses the lengths of the areas of applicability.
- Method according to any one of the preceding claims, characterized in that, e.g., construction zones, up or down grades, regions with fixed lane count, regions with speed restrictions, or road sections with poor weather or road conditions are used as section-specific supplementary information.
- Method according to any one of the preceding claims, characterized in that depending on the cause or advisory, local regions are also considered in the overlap criterion before the areas of applicability of these causes and advisories.
- Method according to any one of the preceding claims, characterized in that, e.g., accident locations or places with changes in the number of lanes are used as point-specific supplementary information.
- Method according to any one of the preceding claims, characterized in that the method is repeatedly applied in a cyclic manner to all existing traffic reports and supplementary information at each update of the traffic reports.
- Method according to any one of the preceding claims, characterized in that the section-specific or point-specific supplementary information is used as cause or advisory in traffic reports to road users in the road network.
- Method according to any one of the preceding claims, characterized in that the traffic reports supplemented by the addition of causes and/or advisories are prepared in a form suitable for transmission to road users without further processing in order to indirectly affect traffic and/or directly guide traffic.
- Traffic condition monitoring center for carrying out the method according to any of claims 1 through 12, having:- an input device for entering section-specific or point-specific supplementary information into the traffic condition monitoring center,- a memory for the section-specific or point-specific supplementary information so entered,- a device for calculating the overlap factor in consideration of the hysteresis,- an output device for outputting to road users traffic reports augmented with causes and/or advisories,- a device for processing supplementary information, said device being designed to operate according to any one of claims 1 through 12.
- Traffic condition monitoring center according to claim 13, characterized in that the input device is a receiver or access to a receiver for receiving section-specific or point-specific supplementary information originating from various sources.
- Traffic condition monitoring center according to claim 13, characterized in that the output device is a transmitter or an access to a transmitter for transmitting traffic information, supplemented by causes and advisories, to road users or to a service provider.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10002918A DE10002918C2 (en) | 2000-01-19 | 2000-01-19 | Stable assignment of traffic reports and additional information representing their cause |
| DE10002918 | 2000-01-19 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1118972A2 EP1118972A2 (en) | 2001-07-25 |
| EP1118972A3 EP1118972A3 (en) | 2002-07-17 |
| EP1118972B1 true EP1118972B1 (en) | 2006-10-25 |
Family
ID=7628551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00250403A Expired - Lifetime EP1118972B1 (en) | 2000-01-19 | 2000-11-24 | Method and Arrangement for automatic allocation of the additional information describing the orgin of traffic disturbances to the traffic messages related to the traffic disturbances in a particular region of a road network |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1118972B1 (en) |
| AT (1) | ATE343833T1 (en) |
| DE (2) | DE10002918C2 (en) |
| ES (1) | ES2273646T3 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10145298A1 (en) * | 2001-09-14 | 2003-04-17 | Bosch Gmbh Robert | Device for receiving, recording, storing and reproducing data, information and / or signals relating in particular to road traffic and general additional information |
| DE102005050575A1 (en) * | 2005-10-21 | 2007-04-26 | Robert Bosch Gmbh | Method for coding traffic congestion and calculating a route |
| DE102005062019A1 (en) * | 2005-12-22 | 2007-06-28 | Robert Bosch Gmbh | Messages e.g. traffic messages, coding method for describing e.g. traffic congestion in road network, involves including supplementary messages in contents of messages, where supplementary messages contain supplementing message contents |
| DE102006033744A1 (en) * | 2006-07-21 | 2008-01-24 | Deutsche Telekom Ag | Method and device for merging traffic data with incomplete information |
| DE102012003632A1 (en) * | 2012-02-24 | 2012-10-04 | Daimler Ag | Method for providing site-related information e.g. number of lanes in construction site, to vehicles, involves providing evaluated and/or processed information to service encoder, and transmitting information to vehicle |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19651143B4 (en) * | 1996-12-10 | 2013-07-25 | T-Mobile Deutschland Gmbh | Method and arrangement for traffic information |
| EP0903711A3 (en) * | 1997-09-18 | 2000-08-23 | Siemens Aktiengesellschaft | Method for transmitting traffic information |
| BR9908922A (en) * | 1998-03-19 | 2000-11-21 | Mannesmann Vdo Ag | Navigation system |
-
2000
- 2000-01-19 DE DE10002918A patent/DE10002918C2/en not_active Expired - Lifetime
- 2000-11-24 ES ES00250403T patent/ES2273646T3/en not_active Expired - Lifetime
- 2000-11-24 AT AT00250403T patent/ATE343833T1/en active
- 2000-11-24 EP EP00250403A patent/EP1118972B1/en not_active Expired - Lifetime
- 2000-11-24 DE DE50013660T patent/DE50013660D1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP1118972A2 (en) | 2001-07-25 |
| DE10002918C2 (en) | 2003-06-18 |
| ATE343833T1 (en) | 2006-11-15 |
| DE50013660D1 (en) | 2006-12-07 |
| DE10002918A1 (en) | 2001-08-16 |
| EP1118972A3 (en) | 2002-07-17 |
| ES2273646T3 (en) | 2007-05-16 |
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