EP1150265B1 - Procédé pour transmettre la position des informations routières, en particulier des difficultées routières - Google Patents

Procédé pour transmettre la position des informations routières, en particulier des difficultées routières Download PDF

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Publication number
EP1150265B1
EP1150265B1 EP01106524A EP01106524A EP1150265B1 EP 1150265 B1 EP1150265 B1 EP 1150265B1 EP 01106524 A EP01106524 A EP 01106524A EP 01106524 A EP01106524 A EP 01106524A EP 1150265 B1 EP1150265 B1 EP 1150265B1
Authority
EP
European Patent Office
Prior art keywords
location
traffic
coded
route
transmitted
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP01106524A
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German (de)
English (en)
Other versions
EP1150265A3 (fr
EP1150265A2 (fr
Inventor
Bernd Hessing
Heinrich Schmidt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1150265A2 publication Critical patent/EP1150265A2/fr
Publication of EP1150265A3 publication Critical patent/EP1150265A3/fr
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Publication of EP1150265B1 publication Critical patent/EP1150265B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/091—Traffic information broadcasting
    • G08G1/092—Coding or decoding of the information

Definitions

  • the invention relates to a method for transmitting a position of a traffic information, in particular a traffic jam, on a traffic route in digitally coded messages, being used for coding and decoding the messages sender and receiver side location databases and an approximate position of the traffic information by referencing the traffic route and at least one location located on the traffic route contained in the location databases is coded.
  • the transmission of digitally encoded traffic messages is based on locations that are listed both in the transmitter and receiver side in the context of traffic routes in location databases. These places are traffic-related points, such as descents and intersections, which are referenced among each other in the form of predecessor and successor and on the associated road segment, the associated road segment is in turn part of a road.
  • WO 99-A-48073 A discloses a vehicle navigation system with a traffic receiver for receiving traffic information, which is characterized by the specification of a location, in particular starting or end location, and a traffic event. It is proposed here not only to regard the route section covered by the traffic report as being affected by the traffic incident, but also all the route sections (including those which are not on the traffic-affected road) within a predetermined radius around the coded transmitted traffic report.
  • the basic idea of document 1 is to specify a method that allows a widespread bypassing of traffic jams. It is assumed that the transmitted segment is small compared to the perturbation, and the desired effect is achieved by extending the perturbation to additional surrounding segments.
  • EP-A-0 902 406 discloses the possibility to combine sections of a traffic route network into partial routes and to transmit information relating to a particular position on such a partial route such as travel times, environmental data, temperatures, etc. such that only a "one-dimensional path parameter", such as the distance from the beginning of the partial route, to indicate the exact location.
  • the essential content of the method specified in document 2 is the re-coding of a road network based on named edges in order to enable a reduction of the data to be transmitted.
  • the object of the present invention is to more accurately transmit a position, in particular the position of a traffic incident, on a traffic route.
  • This object is achieved with the method according to the invention in that in addition to the location of the distance share between the position and the location is transmitted. This makes it possible, inter alia receiver side, to use by comparing the transmitted position with non-coded intersections roads to bypass the disorder that are not recognized in the known transmission to ALERT-C by means of location code of the primary location and the extent of the disturbance.
  • the method according to the invention is not only applicable with RDS / TMC, but can be used wherever messages are transmitted in a similar manner on the basis of coded location databases, for example in the GSM / TMC.
  • the link is related to the link between the encoded location and a remote from the coded location on the road away. Since the transmission capacity for the link share is limited, this embodiment may result in potentially unsatisfactory accuracy if the scale involves many road segments.
  • the distance share is related to the distance between the encoded location and an encoded location immediately adjacent in the database on the same traffic route existing place.
  • an embodiment of the invention is particularly favorable, which consists in the coding of the track share in the label 15 when coding according to the ALERT-C protocol.
  • An equally favorable possibility is that when coding according to the ALERT-C protocol, the coding of the track share in the label 12 is done.
  • the label 15 provides a 5-bit data field, with which an accuracy of 5% can be achieved at the position, which is quite sufficient for the fulfillment of the object according to the invention.
  • a 16-bit value may be provided for the link, resulting in a correspondingly higher accuracy.
  • the traffic information may be related to a punctiform location, for example a road blockage, a danger location or status information such as the average speed of the vehicles passing the punctiform location.
  • the traffic information may also refer to an extended event or object, such as a traffic jam (congestion).
  • TMC receivers can also work with databases without distance information.
  • another embodiment enables the coding of positions transmitted by the method according to the invention in that, in the absence of distance information in the location database of the receiver, the distance information is taken from a digital map assigned to the receiver.
  • a fault S is coded by specifying a primary location L1 and the extent in the form of the number of road segments up to a secondary location L2, between which the disturbance S is located in the figures is highlighted by the filling of the road R performing double line. This is also done when - as in the illustrated embodiments - the disturbance S between the points X (start point) and Y (end point) does not extend over the entire distance between L1 and L2.
  • the disturbance length L can be coded with an accuracy of about 10%.
  • the position of the point X is transmitted by the percentage percentage D of the distance between L1 and L2. Since A is either stored in the recipient's location database or can be taken from a digital map, D can be calculated from the transmitted size P.
  • Fig. 2 is located between the two locations L1 and L2 another location L3, which is also listed in the location database.
  • a TMC message is then transmitted stating that there is an error of magnitude 2 in front of the location L1, which without further indication can mean that the entire distance between L1 and L2 affected by the disorder.
  • the link D is not related to the distance between L1 and L2 but to the distance A 'between L1 and L3, so that the position X is transmitted with greater accuracy.
  • P or P ' is then transmitted as a data telegram with the identifier label 15 to the receiver. If the same coding table is used as in qualifier 3, the result is a 5-bit value of 6, which is entered in the data field following label 15.
  • the decoding in the receiver takes place, for example, via a look-up table.
  • the receiver can calculate the position of the point X on the one hand, and the position of the point Y on the other hand, using the also transmitted disturbance length L. As shown in Fig. 3, in conjunction with a navigation system having a digital map, this information can be used to bring the driver close to the end of the jam and return to the original route earlier after bypassing the jam.
  • Fig. 3 shows the same route as Fig. 2 with the locations L1, L2 and L3 and the disturbance S between the points X and Y.
  • other places 01 to 07 are shown, of which at least the places 01 and 03 in the for Coding and decoding used place databases are not registered.
  • the driver on the places 01, 02 and 03 that is over a shorter detour route than without the application of the method, conducted, where he on the locations 04, 05, 06 and 07 would have to be performed.
  • the label 12 can be used.
  • ALERT-C already has a 16-bit field for the value. This allows the position to be transmitted with a higher resolution (eg in 100% / 65536) if required.
  • the method is also used with other than percentage information of the track share, i. as absolute or relative distance, for example in units of length or with label 2 or with label 5, quantifier 9, or by introducing a new table (corresponding to use with quantifier, see ENV12313-2).

Claims (6)

  1. Procédé de transmission d'une position d'une information de circulation notamment d'une perturbation de circulation sur un chemin de circulation sous la forme de message à codage numérique,
    le codage et le décodage des messages utilisant des banques de données de lieux du côté de l'émetteur et du côté du récepteur et la position de l'information de circulation est codée par référence au chemin de circulation et par rapport à au moins un lieu qui se trouve sur le chemin de circulation et qui est contenu dans les banques de données de lieux et en plus du lieu on transmet la partie de trajet comprise entre la position et le lieu,
    caractérisé en ce qu'
    à l'aide de la partie de trajet on transmet la position du début ou la cause d'une perturbation de circulation et
    on calcule la fin d'une perturbation de circulation à partir de la longueur transmise par l'étiquette (2),
    ou on calcule la fin d'une perturbation de circulation à partir du code d'événement, transmis.
  2. Procédé selon la revendication 1,
    caractérisé en ce qu'
    on rapporte la partie de trajet au trajet compris entre le lieu codé et un lieu situé sur le chemin de circulation et qui est éloigné du lieu codé de la mesure ainsi fournie.
  3. Procédé selon la revendication 1,
    caractérisé en ce qu'
    on rapporte la partie de trajet au trajet compris entre le lieu codé et un lieu directement voisin du lieu codé existant dans la banque de données sur le même chemin de circulation.
  4. Procédé selon l'une des revendications précédentes,
    caractérisé en ce que
    pour le codage selon le protocole ALERT-C, le codage de la partie de trajet se fait dans l'étiquette (15).
  5. Procédé selon l'une des revendications 1 à 3,
    caractérisé en ce que
    pour un codage selon le protocole ALERT-C, le codage de la partie de trajet se fait dans l'étiquette (12).
  6. Procédé selon l'une des revendications précédentes,
    caractérisé en ce qu'
    en l'absence d'indication de distance dans la banque de données de lieux, le récepteur, lors du décodage de la position transmise, extrait les indications de distance d'une carte numérique associée au récepteur.
EP01106524A 2000-03-30 2001-03-15 Procédé pour transmettre la position des informations routières, en particulier des difficultées routières Expired - Lifetime EP1150265B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10015935A DE10015935A1 (de) 2000-03-30 2000-03-30 Verfahren zur Übertragung einer Position einer Verkehrsinformation, insbesondere einer Verkehrsstörung
DE10015935 2000-03-30

Publications (3)

Publication Number Publication Date
EP1150265A2 EP1150265A2 (fr) 2001-10-31
EP1150265A3 EP1150265A3 (fr) 2002-07-31
EP1150265B1 true EP1150265B1 (fr) 2006-10-25

Family

ID=7637048

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01106524A Expired - Lifetime EP1150265B1 (fr) 2000-03-30 2001-03-15 Procédé pour transmettre la position des informations routières, en particulier des difficultées routières

Country Status (3)

Country Link
US (1) US6861960B2 (fr)
EP (1) EP1150265B1 (fr)
DE (2) DE10015935A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7804860B2 (en) 2005-10-05 2010-09-28 Lg Electronics Inc. Method of processing traffic information and digital broadcast system
US7840868B2 (en) 2005-10-05 2010-11-23 Lg Electronics Inc. Method of processing traffic information and digital broadcast system
US7907590B2 (en) 2005-05-18 2011-03-15 Lg Electronics Inc. Providing information relating to traffic congestion tendency and using the same
US7940742B2 (en) 2005-05-18 2011-05-10 Lg Electronics Inc. Method and device for providing traffic information including a prediction of travel time to traverse a link and using the same
US7940741B2 (en) 2005-05-18 2011-05-10 Lg Electronics Inc. Providing traffic information relating to a prediction of speed on a link and using the same
US8009659B2 (en) 2006-01-19 2011-08-30 Lg Electronics Inc. Providing congestion and travel information to users
US8050853B2 (en) 2005-05-18 2011-11-01 Lg Electronics Inc. Providing traffic information including sub-links of links
US8086393B2 (en) 2005-05-18 2011-12-27 Lg Electronics Inc. Providing road information including vertex data for a link and using the same
US8332131B2 (en) 2005-05-18 2012-12-11 Lg Electronics Inc. Method and apparatus for providing transportation status information and using it

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DE10101349B4 (de) * 2001-01-13 2007-08-16 Robert Bosch Gmbh Verfahren zur Meldung von Verkehrsstörungen
DE10304546A1 (de) * 2003-02-04 2004-08-05 Robert Bosch Gmbh Verfahren zur Übertragung verkehrsrelevanter Informationen sowie Gerät zur Auswertung
DE10312024A1 (de) * 2003-03-18 2004-09-30 Robert Bosch Gmbh Datenbasis zur Codierung oder Decodierung von Verkehrsmeldungen und Verfahren zur Übertragung codierter Verkehrsmeldungen
KR20060122668A (ko) * 2005-05-27 2006-11-30 엘지전자 주식회사 교통 정보 제공 방법 및 수신 장치
KR20060125449A (ko) * 2005-06-01 2006-12-06 엘지전자 주식회사 교통 정보를 제공하고 이를 이용하는 방법 및 장치
US8711850B2 (en) 2005-07-08 2014-04-29 Lg Electronics Inc. Format for providing traffic information and a method and apparatus for using the format
DE102005062019A1 (de) 2005-12-22 2007-06-28 Robert Bosch Gmbh Verfahren zur Codierung von Meldungen, Verfahren zur Decodierung von Meldungen und Empfänger zum Empfang und zur Auswertung von Meldungen
US8180558B1 (en) 2007-04-04 2012-05-15 Xm Satellite Radio Inc. System and method for improved traffic flow reporting using satellite digital audio radio service (SDARS) and vehicle communications, navigation and tracking system
DE102007023804A1 (de) * 2007-05-21 2008-12-04 Navigon Ag Verfahren zum Betrieb eines Navigationssytems
DE102008030371B4 (de) * 2008-06-26 2012-05-16 Continental Automotive Gmbh Verfahren zum Senden und Verfahren zum Auswerten einer Verkehrsmeldung, Sendeeinheit und Empfangseinheit
DE102012223780A1 (de) * 2012-12-19 2014-06-26 Bayerische Motoren Werke Aktiengesellschaft Verfahren und System zum Erzeugen von Verkehrsinformationen für mindestens ein Fahrzeug
US9230436B2 (en) 2013-11-06 2016-01-05 Here Global B.V. Dynamic location referencing segment aggregation
US9697731B2 (en) * 2014-01-20 2017-07-04 Here Global B.V. Precision traffic indication
US9489838B2 (en) 2014-03-11 2016-11-08 Here Global B.V. Probabilistic road system reporting
US9208682B2 (en) 2014-03-13 2015-12-08 Here Global B.V. Lane level congestion splitting

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8332131B2 (en) 2005-05-18 2012-12-11 Lg Electronics Inc. Method and apparatus for providing transportation status information and using it
US7940741B2 (en) 2005-05-18 2011-05-10 Lg Electronics Inc. Providing traffic information relating to a prediction of speed on a link and using the same
US7907590B2 (en) 2005-05-18 2011-03-15 Lg Electronics Inc. Providing information relating to traffic congestion tendency and using the same
US7940742B2 (en) 2005-05-18 2011-05-10 Lg Electronics Inc. Method and device for providing traffic information including a prediction of travel time to traverse a link and using the same
USRE47239E1 (en) 2005-05-18 2019-02-12 Lg Electronics Inc. Method and apparatus for providing transportation status information and using it
US8086393B2 (en) 2005-05-18 2011-12-27 Lg Electronics Inc. Providing road information including vertex data for a link and using the same
US8050853B2 (en) 2005-05-18 2011-11-01 Lg Electronics Inc. Providing traffic information including sub-links of links
US8018978B2 (en) 2005-10-05 2011-09-13 Lg Electronics Inc. Method of processing traffic information and digital broadcast system
US8018976B2 (en) 2005-10-05 2011-09-13 Lg Electronics Inc. Method of processing traffic information and digital broadcast system
US7840868B2 (en) 2005-10-05 2010-11-23 Lg Electronics Inc. Method of processing traffic information and digital broadcast system
US8098694B2 (en) 2005-10-05 2012-01-17 Lg Electronics Inc. Method of processing traffic information and digital broadcast system
US7804860B2 (en) 2005-10-05 2010-09-28 Lg Electronics Inc. Method of processing traffic information and digital broadcast system
US8473807B2 (en) 2005-10-05 2013-06-25 Lg Electronics Inc. Method of processing traffic information and digital broadcast system
US8542709B2 (en) 2005-10-05 2013-09-24 Lg Electronics Inc. Method of processing traffic information and digital broadcast system
US8018977B2 (en) 2005-10-05 2011-09-13 Lg Electronics Inc. Method of processing traffic information and digital broadcast system
US8009659B2 (en) 2006-01-19 2011-08-30 Lg Electronics Inc. Providing congestion and travel information to users

Also Published As

Publication number Publication date
EP1150265A3 (fr) 2002-07-31
US6861960B2 (en) 2005-03-01
DE50111299D1 (de) 2006-12-07
EP1150265A2 (fr) 2001-10-31
US20010028314A1 (en) 2001-10-11
DE10015935A1 (de) 2001-10-04

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