EP1030475A2 - Méthode pour la transmission d'informations routières codées numériques et récepteur pour mettre en oeuvre cette méthode - Google Patents

Méthode pour la transmission d'informations routières codées numériques et récepteur pour mettre en oeuvre cette méthode Download PDF

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Publication number
EP1030475A2
EP1030475A2 EP00100560A EP00100560A EP1030475A2 EP 1030475 A2 EP1030475 A2 EP 1030475A2 EP 00100560 A EP00100560 A EP 00100560A EP 00100560 A EP00100560 A EP 00100560A EP 1030475 A2 EP1030475 A2 EP 1030475A2
Authority
EP
European Patent Office
Prior art keywords
information
traffic
tmc
class
digitally coded
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.)
Ceased
Application number
EP00100560A
Other languages
German (de)
English (en)
Other versions
EP1030475A3 (fr
Inventor
Michael Ruf
Ulrich Kersken
Claus Dorenbeck
Heinrich Schmidt
Karin Hempel
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 EP1030475A2 publication Critical patent/EP1030475A2/fr
Publication of EP1030475A3 publication Critical patent/EP1030475A3/fr
Ceased 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
    • 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
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/02—Arrangements for generating broadcast information; Arrangements for generating broadcast-related information with a direct linking to broadcast information or to broadcast space-time; Arrangements for simultaneous generation of broadcast information and broadcast-related information
    • H04H60/07—Arrangements for generating broadcast information; Arrangements for generating broadcast-related information with a direct linking to broadcast information or to broadcast space-time; Arrangements for simultaneous generation of broadcast information and broadcast-related information characterised by processes or methods for the generation
    • 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 is based on a method for transmission of digitally encoded traffic news and one Radio receiver for this purpose, according to the genus of claims 1 and 7.
  • receiver build up where the traffic news is standardized be transmitted.
  • the highway numbers that Route names and other place names as well as the Standard texts are stored in a memory and carried in a corresponding radio receiver.
  • Kick now an obstacle to traffic so the information digitally transmitted in the form of abbreviations and then in Broadcast receiver for a complete message composed. This ensures that with very few Bytes of complete traffic messages are transmitted can, so that even with less powerful Data transmission systems very many traffic news in be transmitted in a relatively short time.
  • the header is also particularly advantageous to encrypt traffic messages at the same time use. This makes it possible, for example, To provide traffic news only when certain services are received or fees were paid. It is also advantageous that divide further information into classes, each Class a class identifier and at least one package having. By dividing it into classes, it is possible not only to transmit location information, but also further additional information with the Connect traffic news, for example to memory to be provided with new location data in the radio receiver or but additional foreign language texts of place names to transmit, so that foreign drivers the Receive information in your native language. It is cheap also that the number of subsequent packets after the Class identifier is transferred. This will ensures that the radio receiver is able to all information of a class is complete to record.
  • the radio receiver according to the invention for performing the Method according to one of claims 1 to 6 has a Separator of digital data and voice information and an evaluation circuit for evaluating the digital transmitted traffic news.
  • an evaluation circuit for evaluating the digital transmitted traffic news is included.
  • the radio receiver only has a memory for standard texts. By This measure is achieved that standard texts on everyone Case do not need to be transferred.
  • FIG. 1 shows a radio receiver, for example one Broadcast receiver with an antenna 1 to which a Broadcast receiving part 2 is connected.
  • the decoded received Signal available.
  • FM radio in addition to the spoken words and the music spoken traffic radio and via the radio data system RDS broadcast digitally encoded traffic news.
  • the Coding is based on a standard that is specifically for the limited data capacity was developed by RDS.
  • the received Information separated.
  • the spoken words become that Amplifier 3 supplied and via the speaker 4 to the listener made audible.
  • the digitally transmitted data is the Decoder 5 supplied, at the output of a serial signal with so-called TMC data is available.
  • TMC messages are not only used to inform the driver, but also for dynamization navigation, i.e. when calculating before driving routes the traffic situation is taken into account in navigation systems, which was transmitted via TMC, so that for example the Navigation already gives hints on how to avoid a traffic jam is.
  • the problem with TMC is that carried in the terminal Lists and tables, in particular the To be mentioned is the location code table, which is the list of all locations for the road network relevant for the traffic announcement saved.
  • There is also an event list in which the possible events are listed are, for example, the length of a traffic jam and the reason why a traffic jam occurred.
  • Storage space is the update of the location code tables a problem and it should be remembered that not all Traffic reports can be encoded, especially if by blocking or adding more streets Location code table is out of date.
  • the event list only allows the use of the predefined events. New events can be viewed through TMC in its familiar form not be transferred. On the other hand, TMC enjoys one increasing popularity because of the standard won with very little information a lot of information can be conveyed.
  • TMC is no longer only used in FM radio, but is also used in conjunction with GSM radio telephones, which also takes advantage of the TMC location with the short transmission times.
  • TMC is also under discussion with new, advanced broadcast transmission systems, such as digital audio broadcasting (DAB). Due to the advanced technology, however, the newer transmission methods are able to transmit significantly higher data rates than is the case with RDS-TMC. It is essential, however, that all radio reception systems have in common that after the reception and the demodulation of the information the speech information and TMC information must be separated, which must be processed in a suitable manner in a computer.
  • DAB digital audio broadcasting
  • a standard TMC message 13 is broadcast expanded.
  • the expanded TMC message 10 is composed of a header 12 and the actual message 11.
  • the message 11 itself in turn consists of a standardized TMC message 13, as well as at least one piece of additional information 14, 15 and 16. If a header 12 precedes the TMC message 13, at least one additional piece of information 14 must be present, which is also transmitted. This additional information 14 must also be location information.
  • the additional information 15 and 16 and additional information are optional and are used to transmit different classes of information.
  • the header 12 is necessary in order to be able to recognize that it is an expanded TMC information.
  • the header 12 may include information about how much Additional information 14, 15 and 16 of the actual TMC message follow and serves one if needed Encrypt the TMC message. Such Encryption must be signaled and at the same time must what type of encryption it is acts. A header can therefore also be used Encryption indicator must be incorporated. So it will possible to encrypt the TMC message differently and different TMC information depending on the service for example, to transmit via GSM or DAB. That's the way it is for example possible, a service provider A a first Assign encryption and a service provider B a other encryption method.
  • the Header is therefore able to identify a extended TMC message to perform other tasks, such as encryption and how much Additional information is expected.
  • TMC message 13 While the structure of the TMC message 13 is standardized, see above that there is no need to go into detail here the additional information can be structured differently. It is important that at least one piece of additional information 14 is a Contains location description, otherwise an extended TMC message wouldn't make sense.
  • the additional information is shown in detail in FIG. 3.
  • the additional information that has different contents can, is divided into so-called classes 20, where the classes from a class identifier 21, from a Class length 22, which is the number of subsequent packets describes and composed of the packages 23, 24, wherein the number of packages only by the class length 22 is determined. It is still important that certain Classes with a specific class name Minimum amount of mandatory packages is assigned, so that a optimal evaluation of the TMC data is possible. In addition however, any other packages can optionally be attached become.
  • the definition of class 20 is also for the TMC message 13 itself applicable. As a class identifier the code for TMC messages is then at position 21 used, while the class length is the number of TMC messages indicates. Then as packets 23 and 24 follows one TMC group each.
  • TMC message for a package several TMC messages are to be transmitted transferred, several packets are to be formed.
  • the standardized traffic reports also allow that traffic information not only from a group, but also can consist of up to five groups. In this case must have a total of five packages 23, 24 for a traffic announcement be used. Recognizing the togetherness of the Packets can be seen in Figure 4, since it is shown here that each packet 23 and 24, there designated 25, on the one hand consists of type 26 and data 27. At the Type marking 26 can now be seen whether the subsequent data 27 to a previous packet belong, or whether the data 27 in itself are interpretable. TMC messages can now be due to the construction of the class several traffic reports together are transmitted via the TMC message module 13.
  • one of the additional information items 14 contain a class to describe the location. And here Information from those contained in the TMC report encoded locations are included. Depending on the type the situation described in the TMC message is required one or more for such a location description different types of packages. The combination of packages in terms of number, type and order lead to education several different classes, these classes Required information included.
  • Mandatory information for the Location information is, for example, packets for the Street name, for the name or short name of the Street, its numbering, coordinates, audio modules and to see something similar. This enables the in to add content transmitted in coded form to TMC data, which are constantly updated.
  • the microprocessor 6 in FIG. 1 additionally contains a memory 7, in which the standardized events are stored in a special exemplary embodiment of the invention. Since the normalized events change less frequently than location data, mixed operation can also be achieved by the invention, namely by part of the necessary TMC information, in particular the events such as 3 km of traffic jam "and the like is stored in a memory of the radio receiver while other information whose change is more likely, such as place names, is transmitted. However, this is not mandatory. Of course it is possible to provide no memory at all and also to record the events as To transmit additional information, or to keep a complete location code and event list and only transmit information as extended topics for information that is not included in the location code list. It is essential that the TMC message itself with the already standardized TMC message is compatible.
  • the following table 1 shows various packet types that can be transmitted as a packet in a class of additional information.
  • No Package type Type length description 0 number 5 bytes TMC group 1 number 8 bytes Location: ECC + CC + LocDB # + Locationcode (according to ALERT C) 2nd number 1 byte Street class (primary, secondary, etc., coded as 1,2, etc.) 3rd Street designation n bytes Street ID (e.g. A, ST, etc.) 4th Street designation n bytes Street number (e.g. 4.1204 etc.) 5 text n bytes Street suffix (e.g. n, old, etc.) 6 Surname n bytes Street name (e.g. GmbHer Ring) 7 Surname n bytes 1.
  • Table 2 shows different class structures. No Mandatory packages Optional packages description 1 1,9,10,17 12.13 Area reporting 2nd 1,2,4,7,8,17 3,5,6,12,13,14 19 Road or segment message 3rd 1,2,4,9,10,13,16 3,5,6,7 8,12,18 19 Point in town 4th 1,2,4,7,8,9, 10,11,16 3,5,6,12,13,14 15,18 Point outside a city 5 1,2,4,9,10,13,16 3,5,6,12,18,19 2 points in a city .. .. . 9 2,4,7,8,1,9, 10,11,16,1,9,10,11,16 3,5,6,12,14,15 18,19 2 points, both outside a city .. 17th 245 - Location list update ..
  • class 1 with certain numbers according to the table, plus an additional two optional packets can be transmitted, but not are imperative.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Circuits Of Receivers In General (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
EP00100560A 1999-02-11 2000-01-12 Méthode pour la transmission d'informations routières codées numériques et récepteur pour mettre en oeuvre cette méthode Ceased EP1030475A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19905893 1999-02-11
DE19905893A DE19905893A1 (de) 1999-02-11 1999-02-11 Verfahren zur Übertragung von digital codierten Verkehrsnachrichten und Funkempfänger dazu

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EP1030475A2 true EP1030475A2 (fr) 2000-08-23
EP1030475A3 EP1030475A3 (fr) 2005-05-11

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US (1) US6996089B1 (fr)
EP (1) EP1030475A3 (fr)
DE (1) DE19905893A1 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1376512A3 (fr) * 2002-06-28 2005-09-28 Robert Bosch Gmbh Méthode de transmission d'information et récepteur d'information
EP1624599A3 (fr) * 2004-08-02 2006-06-14 Samsung Electronics Co., Ltd. Système et procédé de la radiodiffusion numérique utilisant un signal de radiodiffision numérique avec information de position
WO2006123896A1 (fr) 2005-05-18 2006-11-23 Lg Electronics Inc. Procede et dispositif de communication d'information d'etat de transport et utilisation
WO2006123902A1 (fr) 2005-05-18 2006-11-23 Lg Electronics Inc. Fourniture d'informations routieres comprenant des donnees de noeuds destinees a une liaison et utilisation de celle-ci
WO2007083899A2 (fr) 2006-01-19 2007-07-26 Lg Electronics Inc. Procédé et dispositif permettant de fournir des informations relatives aux embouteillages et à la durée de parcours à des utilisateurs
EP1619642A3 (fr) * 2004-07-23 2007-08-01 Robert Bosch Gmbh Procédé pour transmettre des messages numériquement codés en groupes de données et recepteur
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
CN101248470B (zh) * 2005-05-27 2010-12-08 Lg电子株式会社 使用编码字段编码和解码交通信息
US7907590B2 (en) 2005-05-18 2011-03-15 Lg Electronics Inc. Providing information relating to traffic congestion tendency 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
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
US8050853B2 (en) 2005-05-18 2011-11-01 Lg Electronics Inc. Providing traffic information including sub-links of links

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DE10038765A1 (de) 2000-08-09 2002-02-21 Bosch Gmbh Robert Verfahren zur Übertragung von digital codierten Verkehrsnachrichten
DE10145165A1 (de) * 2001-09-13 2003-03-20 Siemens Ag Verfahren und Vorrichtung zur Datenübertragung in einem Kommunikationsnetz
TW581309U (en) * 2001-11-26 2004-03-21 Sin Etke Technology Co Ltd Real-time traffic condition providing device
US7349799B2 (en) * 2004-04-23 2008-03-25 Lg Electronics Inc. Apparatus and method for processing traffic information
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
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
DE502006007027D1 (de) 2006-03-28 2010-07-08 Bosch Gmbh Robert Verfahren zur Rundfunk-Übertragung von Verkehrsmeldungen und Rundfunkempfänger
US7587186B2 (en) 2006-04-14 2009-09-08 Robert Bosch Gmbh Method for the radio transmission of traffic messages and radio receiver
US8626208B2 (en) * 2008-06-30 2014-01-07 General Motors Llc Traffic data transmission from a vehicle telematics unit
KR101470107B1 (ko) * 2012-12-28 2014-12-05 현대자동차주식회사 라디오 교통방송을 이용한 교통정보 제공 장치 및 그 방법

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Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1376512A3 (fr) * 2002-06-28 2005-09-28 Robert Bosch Gmbh Méthode de transmission d'information et récepteur d'information
EP1619642A3 (fr) * 2004-07-23 2007-08-01 Robert Bosch Gmbh Procédé pour transmettre des messages numériquement codés en groupes de données et recepteur
EP1624599A3 (fr) * 2004-08-02 2006-06-14 Samsung Electronics Co., Ltd. Système et procédé de la radiodiffusion numérique utilisant un signal de radiodiffision numérique avec information de position
US7907590B2 (en) 2005-05-18 2011-03-15 Lg Electronics Inc. Providing information relating to traffic congestion tendency 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
WO2006123902A1 (fr) 2005-05-18 2006-11-23 Lg Electronics Inc. Fourniture d'informations routieres comprenant des donnees de noeuds destinees a une liaison et utilisation de celle-ci
EP1886295A4 (fr) * 2005-05-18 2008-07-30 Lg Electronics Inc Fourniture d'informations routieres comprenant des donnees de noeuds destinees a une liaison et utilisation de celle-ci
EP1882245A4 (fr) * 2005-05-18 2008-08-27 Lg Electronics Inc Procede et dispositif de communication d'information d'etat de transport et utilisation
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
USRE47239E1 (en) 2005-05-18 2019-02-12 Lg Electronics Inc. Method and apparatus for providing transportation status information and using it
WO2006123896A1 (fr) 2005-05-18 2006-11-23 Lg Electronics Inc. Procede et dispositif de communication d'information d'etat de transport et utilisation
CN101128858B (zh) * 2005-05-18 2011-04-06 Lg电子株式会社 用于提供运输状态信息以及使用该信息的方法和装置
US8332131B2 (en) 2005-05-18 2012-12-11 Lg Electronics Inc. Method and apparatus for providing transportation status information and using it
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
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
CN101248470B (zh) * 2005-05-27 2010-12-08 Lg电子株式会社 使用编码字段编码和解码交通信息
EP1974182A4 (fr) * 2006-01-19 2011-11-16 Lg Electronics Inc Procédé et dispositif permettant de fournir des informations relatives aux embouteillages et à la durée de parcours à des utilisateurs
US8009659B2 (en) 2006-01-19 2011-08-30 Lg Electronics Inc. Providing congestion and travel information to users
WO2007083899A2 (fr) 2006-01-19 2007-07-26 Lg Electronics Inc. Procédé et dispositif permettant de fournir des informations relatives aux embouteillages et à la durée de parcours à des utilisateurs

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Publication number Publication date
EP1030475A3 (fr) 2005-05-11
DE19905893A1 (de) 2000-08-17
US6996089B1 (en) 2006-02-07

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