EP1141909A1 - Procede de transmission d'informations routieres - Google Patents

Procede de transmission d'informations routieres

Info

Publication number
EP1141909A1
EP1141909A1 EP99964397A EP99964397A EP1141909A1 EP 1141909 A1 EP1141909 A1 EP 1141909A1 EP 99964397 A EP99964397 A EP 99964397A EP 99964397 A EP99964397 A EP 99964397A EP 1141909 A1 EP1141909 A1 EP 1141909A1
Authority
EP
European Patent Office
Prior art keywords
segment
segments
traffic information
chain
traffic
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
EP99964397A
Other languages
German (de)
English (en)
Other versions
EP1141909B1 (fr
Inventor
Werner Dr.Rer.Nat. Schulz
Stefan Dr. Vieweg
Christian Dipl.Ing. Berwanger
Ralf Kriesinger
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.)
ATX Europe GmbH
Original Assignee
Mannesmann AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26050977&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1141909(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE19941648A external-priority patent/DE19941648C2/de
Application filed by Mannesmann AG filed Critical Mannesmann AG
Publication of EP1141909A1 publication Critical patent/EP1141909A1/fr
Application granted granted Critical
Publication of EP1141909B1 publication Critical patent/EP1141909B1/fr
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • 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 transmitting traffic information
  • RDS-TMC transmit traffic information relating to a road traffic network from a traffic information center to a terminal, with traffic information relating to this being transmitted for each segment of the road network and the traffic information transmitted segment by segment in the terminal with a coding / decoding table there a form that is suitable for display for the terminal user can be recoded.
  • this widespread method is very complex when it comes to the transmission of traffic information with regard to the amount of information to be transmitted, in particular when it comes to the transmission of traffic information that has not changed over several segments of the road network.
  • the object of the present invention is to provide a method and devices which are efficient and simple and inexpensive
  • the invention enables traffic information relating to several segments of a road traffic network to be transmitted with less traffic
  • Traffic information to be transmitted is, in particular, states of one or more segments of the road network, such as the travel time in this segment, the average speed there, the number of vehicles, the length of the traffic jam, construction sites, ghost drivers, and weather conditions.
  • the transmission according to the invention is suitable both for states that remain the same over several segments (and thus traffic information to be transmitted) as well as for traffic information relating to spatially successive segments with different states.
  • the first or last of these segments, the number of segments and the state are given, for example, for the transmission of traffic information relating to a state which is continuous over a plurality of spatially successive segments of a road traffic network.
  • traffic information relating to different states (average speeds, etc.) of several spatially consecutive segments of a road network it is advisable to use the first or last of these consecutive segments, the number of segments and the spatial sequence of the segments for at least one segment (expediently exactly one segment) its condition indicated.
  • the need to identify each of the segments with the exception of the first or last segment is advantageously eliminated, so that the amount of information to be transmitted is considerably reduced.
  • a segment table is present in the terminal (expediently in the same form as in the traffic information center).
  • the successive segments in the road traffic network expediently have successive segment numbers.
  • a display instruction for a (for example optically representable or acoustically referable) digital card can be stored for the segment numbers of the segments; for example, a chain of
  • Segments (which in the real road network represent one or more lanes of one or more directions of a highway) represent a lane in a two-dimensional representation of the road network.
  • a segment can represent a motorway section, so that when a traffic information is transmitted specifying the segment and its state, a text sequence for this segment (such as the A57 motorway between Düsseldorf and Cologne) is searched for in the segment table stored in the terminal, possibly a text sequence in addition to the state (for example "traffic jam") is selected and these are output acoustically.
  • the transmission is expediently carried out by radio, in particular mobile radio. Short message transmission is particularly suitable. Broadcast transmission (cell broadcast) is possible in digital mobile radio networks.
  • 1 shows a section of a road network with streets divided into several segments
  • Fig. 3 essential elements of the center, the terminal and the transmission as a block diagram.
  • Figure 1 shows a section of a road network with a left-to-right road, consisting of segments 1 to 4 (here, the number of a segment is also used identically as its reference number), a bottom-up road with the segments
  • the traffic information in the center is coded according to the invention with a table and with an identical table in the terminal for presentation to the user (for example optically in a two-dimensional digital map of the road network or acoustically). If, for example, there is a low average speed in segments 1, 2, 3 of the road running from left to right in FIG. 1, a segment identification of one of the three segments and for this purpose a status code representing the status of the segment can be transmitted, as is common with RDS-TMC.
  • segment 1 for example "1”
  • the number of segments 1 to 3 designated by the transmitted traffic information ie a "3” and either a state of all segments (1 to 3) transmitted here or in the order of the segments (1 to 3) the state of a segment.
  • the numbering sequence of the segments is identical for the central station and the terminal. As illustrated in FIG. 1, this is possible along the street running from left to right with increasing numbers. However, it becomes problematic at crossings, in particular crossings, as in FIG. 1 on the left.
  • tables according to FIGS. 2 and / or 3 are used for decoding in the terminal (and expediently identical in the traffic control center).
  • FIG. 2 there is in each case a segment to represent the sequence
  • Pointer to the next segment to be regarded as the next segment in the direction of travel namely segment 1, segment 2, segment 2 segment 3, segment segment 4 etc.
  • an indication representing an output to a terminal user such as "A8 - Stuttgart” etc., which can be output with traffic information relating to this segment.
  • the text information provided is particularly suitable for acoustic output.
  • a reference to the digital map (such as coordinates) must be provided. If, for example, status information (traffic jam) is transmitted to the segment chain segment 1, 2, 3 in the terminal of the traffic information center, segment 1, number 3 and status information "0", which is decoded with a status table, is transmitted as "traffic jam".
  • FIG. 3 shows, as a block diagram, the elements of the center and the terminal as well as the transmission of information from the center to the terminal.
  • the traffic information center 20 receives or generates traffic information to be transmitted, which is stored in the memory 21.
  • the traffic information can in particular be based on information from stationary detectors along roads of the transport network, based on mobile detectors in vehicles in the transport network and on other sources.
  • Traffic information 21 to be transmitted is encoded in the traffic information packet generation device 22 according to the invention.
  • a segment table For this, a segment table
  • the traffic information 21 to be transmitted relating to traffic jam in segment 1, traffic jam in segment 2 and traffic jam in segment 3, is thus coded, for example, as "1, 3, 0, end” (where 1 segment means 1, 3 means three segments and 0 average speed 0 means congestion and "end” is an end flag).
  • the end flag is used here only for illustration. Other protocol-technical variants are also known to the person skilled in the art for clearly identifying the end of the message.
  • This coded information is transmitted to the transmission device 33 for transmission.
  • the transmission device 33 can be, for example, a mobile radio transmission device or an access to a mobile radio transmission device. After transmission by radio, in particular mobile radio, these are received in the terminal 24 by the receiver 25 and decoded by a decoding device 26.
  • the decoding device uses a segment table 27 (which corresponds to the segment table 23).
  • the decoded traffic information can be presented to the user. They can also be saved (36).
  • Traffic information can in particular also be used to calculate an optimized route in the terminal 24 by aiming for optimal travel times or as few traffic jams as possible.
  • the status (“0 0 0") of each segment (1, 2, 3) of the designated (“1 3") segment chain can also be specified individually.
  • the distinction can be made by the terminal by means of a flag transmitted at the beginning or by comparing the number (here once / or three times "0") of the status information before a (binary) "end” flag with the transmitted chain segment number "3".
  • the invention can be implemented as a program in the control center and in the terminal, but is not limited to this and can also be designed as an electronic circuit.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Traffic Control Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
EP99964397A 1998-12-14 1999-11-29 Procede de transmission d'informations routieres Revoked EP1141909B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19859522 1998-12-14
DE19859522 1998-12-14
DE19941648A DE19941648C2 (de) 1998-12-14 1999-08-27 Verfahren zur Übertragung von Verkehrsinformationen betreffend ein Straßenverkehrsnetz von einer Verkehrsinformationszentrale an mindestens ein Endgerät sowie Verkehrsinformationszentrale und Endgerät zur Durchführung des Verfahrens
DE19941648 1999-08-27
PCT/DE1999/003879 WO2000039773A1 (fr) 1998-12-14 1999-11-29 Procede de transmission d'informations routieres

Publications (2)

Publication Number Publication Date
EP1141909A1 true EP1141909A1 (fr) 2001-10-10
EP1141909B1 EP1141909B1 (fr) 2002-09-04

Family

ID=26050977

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99964397A Revoked EP1141909B1 (fr) 1998-12-14 1999-11-29 Procede de transmission d'informations routieres

Country Status (4)

Country Link
US (1) US6633808B1 (fr)
EP (1) EP1141909B1 (fr)
AT (1) ATE223608T1 (fr)
WO (1) WO2000039773A1 (fr)

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US6438561B1 (en) * 1998-11-19 2002-08-20 Navigation Technologies Corp. Method and system for using real-time traffic broadcasts with navigation systems
SE0103421L (sv) * 2001-10-15 2003-04-16 Tagmaster Ab Förfarande för trafikstyrning
US6990407B1 (en) * 2003-09-23 2006-01-24 Navteq North America, Llc Method and system for developing traffic messages
US7251558B1 (en) 2003-09-23 2007-07-31 Navteq North America, Llc Method and system for developing traffic messages
US7050903B1 (en) * 2003-09-23 2006-05-23 Navteq North America, Llc Method and system for developing traffic messages
US7096115B1 (en) 2003-09-23 2006-08-22 Navteq North America, Llc Method and system for developing traffic messages
US7949463B2 (en) * 2003-12-15 2011-05-24 Gary Ignatin Information filtering and processing in a roadway travel data exchange network
US20050187701A1 (en) * 2004-02-23 2005-08-25 Baney Douglas M. Traffic communication system
US20050209774A1 (en) * 2004-03-22 2005-09-22 Speedinfo Digital map system
US20060168592A1 (en) * 2004-12-14 2006-07-27 Intrado Inc. System and method for many-to-many information coordination and distribution
KR20060119743A (ko) * 2005-05-18 2006-11-24 엘지전자 주식회사 구간 속도에 대한 예측정보를 제공하고 이를 이용하는 방법및 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
KR100711866B1 (ko) * 2005-05-18 2007-04-25 엘지전자 주식회사 소통상태에 대한 예측정보를 제공하고 이를 이용하는 방법및 장치
KR20060119742A (ko) * 2005-05-18 2006-11-24 엘지전자 주식회사 도로 정보를 제공하고 이를 이용하는 방법 및 장치
KR20060119746A (ko) * 2005-05-18 2006-11-24 엘지전자 주식회사 교통상태에 대한 정보를 제공하고 이를 이용하는 방법 및장치
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
EP2221792B1 (fr) * 2005-07-08 2012-02-08 Lg Electronics Inc. Procédé de transmission d'informations de trafic comprenant des données de trafic en cours destinées à une liaison et procédé d'utilisation de celles-ci
KR101254219B1 (ko) * 2006-01-19 2013-04-23 엘지전자 주식회사 링크 식별 방법 및 링크 식별 장치
US7831379B2 (en) * 2006-02-17 2010-11-09 Lear Corporation Roadside signage control from vehicle operating data
US20070294023A1 (en) * 2006-06-19 2007-12-20 Navteq North America, Llc Traffic data collection with probe vehicles
JP4788598B2 (ja) * 2006-12-28 2011-10-05 株式会社デンソー 渋滞度判定装置、渋滞情報報知装置及びプログラム
CN101481352A (zh) 2008-01-10 2009-07-15 上海恒瑞医药有限公司 双环取代吡唑酮偶氮类衍生物、其制备方法及其在医药上的应用
DE102011119544B3 (de) * 2011-11-26 2013-05-16 Volkswagen Aktiengesellschaft Verfahren zum Warnen eines Fahrers vor einer Gefahrenstelle
US9518830B1 (en) 2011-12-28 2016-12-13 Intelligent Technologies International, Inc. Vehicular navigation system updating based on object presence
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Also Published As

Publication number Publication date
WO2000039773A1 (fr) 2000-07-06
EP1141909B1 (fr) 2002-09-04
ATE223608T1 (de) 2002-09-15
US6633808B1 (en) 2003-10-14

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