EP1114406A1 - Procede pour coder des encombrements affectant plusieurs voies de circulation - Google Patents

Procede pour coder des encombrements affectant plusieurs voies de circulation

Info

Publication number
EP1114406A1
EP1114406A1 EP00952876A EP00952876A EP1114406A1 EP 1114406 A1 EP1114406 A1 EP 1114406A1 EP 00952876 A EP00952876 A EP 00952876A EP 00952876 A EP00952876 A EP 00952876A EP 1114406 A1 EP1114406 A1 EP 1114406A1
Authority
EP
European Patent Office
Prior art keywords
traffic
label
coding
coded
congestion
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.)
Granted
Application number
EP00952876A
Other languages
German (de)
English (en)
Other versions
EP1114406B1 (fr
Inventor
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
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1114406A1 publication Critical patent/EP1114406A1/fr
Application granted granted Critical
Publication of EP1114406B1 publication Critical patent/EP1114406B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • 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

  • the invention relates to a method for coding cross-road traffic obstructions in digitally coded traffic reports, which contain as elements a location on a road and the extent and direction of the traffic obstruction and are decoded using a location table or a digital map.
  • Such a structure and coding of traffic reports are specified, for example, in CEN EN12313-1, which is based on the proposed standard ALERT C, November 1990, published by the RDS ATT ALERT Consortiu.
  • the radio data system thus enables an additional and inaudible transmission of digital data in parallel with radio programs in a data channel.
  • the essential elements of a traffic report are the location and the event. This information is cataloged, which means that a unique code is assigned to every traffic-relevant location and every traffic-relevant event. The chaining of the locations in a location table along existing streets gives the Course again.
  • TMC Traffic Message Channel
  • Digitally coded traffic reports - also called TMC messages for the sake of simplicity - can not only be transmitted using the radio data system, but also, for example, within digital audio broadcasting (DAB), especially in the FI channel (fast Information channel).
  • SMS Short Message Service
  • GATS Global Automotive Telematic Standard
  • Only one location code is transmitted in a TMC message.
  • the direction and the extent of the traffic obstruction is also sent.
  • the extent indicates how many sections of a road are affected by the traffic obstruction.
  • the direction indicates in which direction the end point of the traffic obstruction lies. All affected places must be on the same street.
  • intersection code References to other streets exist only in that a link of the streets (intersection code) was created at the local level, in which reference was made to the crossing street also coded in the location table becomes. Until now, this intersection code was only used to implement navigation applications within the location table and to check the plausibility of the location table itself. If traffic obstructions affect more than one street, they can only be coded in the known method by generating a plurality of messages - one for each of the streets concerned become.
  • the object of the invention is to code traffic obstructions based on the location table in such a way that even those traffic obstructions which extend over more than one street can be decoded and reproduced in a form which can be easily recorded by the user.
  • This object is achieved in the method according to the invention in that, in the case of reported traffic obstructions which, because of their size, extend beyond a branch onto another road, another element is coded on which of the branches, in which direction and to what extent the reported traffic obstruction extends.
  • the invention is applicable to branches and intersections, the term branch being used throughout to describe the invention, since an intersection can also be regarded as a multiple branch.
  • the method according to the invention can be used in that the digital coding of the traffic reports is carried out in accordance with the ALERT-C protocol and in that the additional element is the label 12.
  • the invention makes a higher proportion of existing traffic reports accessible for direct coding.
  • the messages generated in this way are opposite one Splitting the information into several messages easier to understand, generally lower the required channel capacity and therefore increase the attractiveness of the RDS-TMC system for operators and users.
  • the method according to the invention is compatible with existing terminals in the sense that no false information is generated. Recipients who cannot evaluate the label 12 receive a reduced amount of information about the cause of the fault and a portion of the routes affected by the fault.
  • the use of the method according to the invention is particularly advantageous when the RDS-TMC system is extended to urban areas where cross-road traffic obstructions are the rule, as a result of which the previously used protocol reaches its limits.
  • An advantageous embodiment of the method according to the invention consists in the fact that the data field of the label 12 has three bits for selecting the road adjoining the junction on which the traffic obstruction extends, one bit for the associated direction and four bits for the extent of the extension on this road comprises and that a further eight bits are provided for the same coding in the event that the traffic obstruction extends over a further change of road. It can preferably be provided that an additional label 12 is encoded and transmitted when the traffic obstruction extends over more than three roads for every two additional roads. In this embodiment, the 16 bit data field contained in the label 12 is used in a particularly favorable manner.
  • the invention further relates to a method for decoding traffic messages coded with the method according to the invention, in which it is provided that in the case of a traffic message provided with a location, a street, a direction and an extent and relating to a traffic obstruction, the label 12 is evaluated such that starting from the intersection of the street coded in the traffic announcement, with the street coded in the label 12 and in the direction indicated in the label 12, the extent specified in the label 12 is determined a location which, in the event that there is no further extension of the traffic obstruction in the Label 12 is coded, which means the end of the traffic obstruction. If the end of the traffic obstruction is not on this road, it is possible to proceed in such a way that when a further road is coded in the label 12, the location of the end of the traffic obstruction is read from the location table along the other road.
  • Fig. 1 shows the structure of the label 12 when performing the method according to the invention
  • Fig. 2 shows a section of a road map to further explain the method according to the invention and its advantages.
  • FIG. 2 shows, inter alia, the A37 motorway, which is at the motorway triangle Hannover-Süd AD S begins to then merge onto the B6 federal road.
  • the federal road B6 in turn merges into the B3 after a few connection points MG, LS, WS at SK (the B6 bends together with the B3 towards the west), which then again after the connection points BD, PT and WK in Hanover-Miesburg HM A37 motorway leads.
  • AK HB this crosses the A2 motorway and later the A7 motorway, which leads south via AK HO, HA and AD HS.
  • the label 12 shown schematically in FIG. 1 is now transmitted.
  • This contains a three-bit wide information SELECT1, which states on which the road adjacent to the intersection specified in the primary group extends the traffic obstruction.
  • the ordinal number of the streets connected to the intersection is transmitted counter-clockwise as SELECT1.
  • SELECT1 follows Bit DI, which indicates the direction in which the traffic obstruction extends, and a four bit wide data word EXTENT1, which indicates the extent of the traffic obstruction on the road selected with SELECT1.
  • the label 12 also contains the data words SELECT2, D2 and EXTENT2, with which an extension of the traffic obstruction at a further intersection can be coded in the same way.
  • Such a coding according to the invention is in the following
  • Example of a traffic obstruction between AK HB and MG explained.
  • the primary location for the traffic report is the assumed traffic obstruction MG on B6.
  • TMC group the following elements:
  • a recipient who is not yet able to evaluate Label 12 will implement this as: "B6 Hanover towards Laatzen between Seelhorster Kreuz and exhibition center traffic".
  • B6 SK therefore refers to B65 SK.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)

Abstract

L'invention concerne un procédé pour coder des encombrements affectant plusieurs voies de circulation, dans le cas d'informations routières codées numériquement qui contiennent, sous la forme d'éléments, un emplacement situé sur une voie de circulation, ainsi que l'ampleur et la direction de l'encombrement. Ces informations sont décodées au moyen d'un tableau d'emplacements. Selon le procédé de l'invention, lors de l'annonce d'encombrements s'étendant, en raison de leur ampleur, au-delà d'un embranchement, sur une autre voie de circulation, un autre élément est utilisé pour coder les informations suivantes : embranchements affectés par l'encombrement, direction et ampleur de l'encombrement.
EP00952876A 1999-07-20 2000-06-28 Procede pour coder des encombrements affectant plusieurs voies de circulation Expired - Lifetime EP1114406B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19933970 1999-07-20
DE19933970A DE19933970A1 (de) 1999-07-20 1999-07-20 Verfahren zur Codierung straßenübergreifender Verkehrsbehinderungen
PCT/DE2000/002097 WO2001006478A1 (fr) 1999-07-20 2000-06-28 Procede pour coder des encombrements affectant plusieurs voies de circulation

Publications (2)

Publication Number Publication Date
EP1114406A1 true EP1114406A1 (fr) 2001-07-11
EP1114406B1 EP1114406B1 (fr) 2005-05-04

Family

ID=7915403

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00952876A Expired - Lifetime EP1114406B1 (fr) 1999-07-20 2000-06-28 Procede pour coder des encombrements affectant plusieurs voies de circulation

Country Status (6)

Country Link
US (1) US6597982B1 (fr)
EP (1) EP1114406B1 (fr)
AU (1) AU6555300A (fr)
DE (2) DE19933970A1 (fr)
ES (1) ES2241635T3 (fr)
WO (1) WO2001006478A1 (fr)

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DE19942522A1 (de) * 1999-09-07 2001-03-08 Bosch Gmbh Robert Verfahren zur Codierung und Decodierung von Objekten mit Bezug auf ein Verkehrswegenetz
US7729335B2 (en) 2005-05-18 2010-06-01 Lg Electronics Inc. Providing traffic information relating to a prediction of congestion status and using the same
KR20060119746A (ko) 2005-05-18 2006-11-24 엘지전자 주식회사 교통상태에 대한 정보를 제공하고 이를 이용하는 방법 및장치
KR20060119742A (ko) * 2005-05-18 2006-11-24 엘지전자 주식회사 도로 정보를 제공하고 이를 이용하는 방법 및 장치
KR20060119741A (ko) * 2005-05-18 2006-11-24 엘지전자 주식회사 소통상태의 추이정보를 제공하고 이를 이용하는 방법 및장치
KR20060119739A (ko) * 2005-05-18 2006-11-24 엘지전자 주식회사 구간 통과시간에 대한 예측정보를 제공하고 이를 이용하는방법 및 장치
KR101236545B1 (ko) * 2005-05-18 2013-02-22 엘지전자 주식회사 구간의 하위 구간을 포함하는 교통 정보의 제공
KR101061460B1 (ko) * 2005-05-18 2011-09-02 엘지전자 주식회사 소통상태에 대한 예측정보를 제공하고 이를 이용하는 방법및 장치
ATE462178T1 (de) * 2005-05-18 2010-04-15 Lg Electronics Inc Bereitstellung von verkehrsinformationen in bezug auf die vorhersage des staustatus und verwendung dieser
KR20060119743A (ko) * 2005-05-18 2006-11-24 엘지전자 주식회사 구간 속도에 대한 예측정보를 제공하고 이를 이용하는 방법및 장치
KR20060122668A (ko) * 2005-05-27 2006-11-30 엘지전자 주식회사 교통 정보 제공 방법 및 수신 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
DE502006003390D1 (de) * 2005-07-18 2009-05-20 Siemens Ag Zur stauvermeidung und -auflösung
KR101254219B1 (ko) * 2006-01-19 2013-04-23 엘지전자 주식회사 링크 식별 방법 및 링크 식별 장치
DE102005050575A1 (de) * 2005-10-21 2007-04-26 Robert Bosch Gmbh Verfahren zur Codierung von Verkehrsstörungen und Berechnung einer Route
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
DE102006038845A1 (de) * 2006-08-18 2008-02-21 Robert Bosch Gmbh Verfahren zur fahrtrichtungsabhängigen Codierung von Verkehrsmeldungen und deren Berücksichtigung bei der Routenberechnung
JP6654538B2 (ja) * 2016-09-27 2020-02-26 本田技研工業株式会社 交通障害リスク表示装置

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US4519068A (en) * 1983-07-11 1985-05-21 Motorola, Inc. Method and apparatus for communicating variable length messages between a primary station and remote stations of a data communications system
EP0290679B2 (fr) * 1987-05-09 2003-08-06 Koninklijke Philips Electronics N.V. Dispositif de réception et de traitement de messages d'information routière
DE19503416A1 (de) * 1995-02-03 1996-08-08 Bosch Gmbh Robert Verfahren zur Decodierung und zur Ausgabe von empfangenen digitalen codierten Verkehrsmeldungen
DE19527183A1 (de) * 1995-07-26 1997-01-30 Philips Patentverwaltung RDS-TMC-Rundfunkempfänger
EP0795974B1 (fr) * 1996-02-17 2006-05-03 Robert Bosch Gmbh Méthode et récepteur pour la production de messages parlés et méthode pour la transmission de messages parlés
DE19753050A1 (de) * 1997-02-06 1998-08-13 Mannesmann Ag Übermittlung gebietsbezogener Verkehrsinformationen
US6438561B1 (en) * 1998-11-19 2002-08-20 Navigation Technologies Corp. Method and system for using real-time traffic broadcasts with navigation systems

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Also Published As

Publication number Publication date
ES2241635T3 (es) 2005-11-01
DE19933970A1 (de) 2001-01-25
US6597982B1 (en) 2003-07-22
EP1114406B1 (fr) 2005-05-04
AU6555300A (en) 2001-02-05
DE50010226D1 (de) 2005-06-09
WO2001006478A1 (fr) 2001-01-25

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