EP1145210B1 - Procede pour identifier des evenements couvrant plusieurs segments, par l'intermediaire desdits segments - Google Patents
Procede pour identifier des evenements couvrant plusieurs segments, par l'intermediaire desdits segments Download PDFInfo
- Publication number
- EP1145210B1 EP1145210B1 EP99964419A EP99964419A EP1145210B1 EP 1145210 B1 EP1145210 B1 EP 1145210B1 EP 99964419 A EP99964419 A EP 99964419A EP 99964419 A EP99964419 A EP 99964419A EP 1145210 B1 EP1145210 B1 EP 1145210B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- traffic information
- segments
- segment
- transmitted
- terminal device
- 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
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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 decoding from a traffic center a terminal with traffic information transmitted by radio Road network.
- Traffic information from a traffic information center by radio End devices that can be found in vehicles, for example status data, such as travel times, average speed etc., in Segments (roads, road sections, roadways, road sections of Roads) of a road network.
- the document EP 0 347 354 A1 discloses a method for the transmission and decoding of traffic information transmitted from a traffic information center to a terminal.
- the state of the at least one segment of the road network The relevant traffic information is located in the direction of travel Segment-related manner stored in the terminal.
- the object of the present invention is the most efficient, reliable, simple Realizable optimization of traffic information, which reduces the amount of data transferred allowed.
- the task is performed by the independent Claims resolved.
- the invention allows a reduction in the amount of data from the Traffic control center for traffic information to be transmitted to a terminal.
- a match of two segments in comparison may also be a match of three, four, five or more than five segments in the Comparison in the terminal as a prerequisite for the definition of the status data of the older traffic information than the segments in the current traffic information be fixed regarding.
- Agreement between the control center and the end device should be the type of prescribed Concern match; in particular, it should include whether at least two (or at least more than two, see above) segments must match or whether one (or two or three or more than three) segments must match and one additionally transmitted (or in the direction-specific segment number implied) directional information regarding the direction of travel must match, contain.
- the method for decoding is in the terminal, for example, as an electronic one Circuit or programmable can be implemented; however, it is by design as a program neither defined nor restricted.
- Figure 1 shows a section of a road network.
- Roads or sections of roads or lanes or sections of lanes one Road network can be represented by segments.
- the in Figure 1 of road leading left to right is, for example, by segments 4712, 4713, 4714, 4715, 4716, 4717 specified at least in the local area shown.
- In this Traps are in a segment 4712 all lanes with the different Directions included. It is also possible in a section of a street Segments for one or all lanes in 9998 in one direction and one segment 9999 for one or (as here) all lanes in the opposite direction set.
- the Segments 2243 to 2246 specified.
- the segment digits can be transmitted in Traffic data is transmitted decoded in the usual ways; you can for example, with a bit length that is up to 10,000 segments can define (14 bit).
- FIG. 2 shows an example from a central station 1 to a terminal 2 via a radio channel 3 transmitted traffic information 4 to 7.
- the control center 1 receives from different information sources Traffic information which is stored in a memory 9.
- the Sources of information 8 can be floating in particular in traffic Traffic detectors in the form of traffic reporting devices in vehicles (FCD), stationary detectors arranged along the streets of the traffic network, historical data etc. Processes for revising the are not shown here traffic information received from the information sources 8 to end devices traffic information to be sent through interpolation, interpretation, etc.
- the Information from the memory 9 is (if necessary after appropriate preprocessing) from a traffic information packet generation device 10 with access to FIG a memory 11 stored segment tables (to segments of the Road traffic network according to Figure 1) encoded in a form to be transmitted. Of The transmission device 12 transmits the traffic information to terminals 2 transmitted.
- the transmission can be in particular via radio, for example RDS-TMC respectively.
- the determination can in particular also be carried out by mobile radio.
- mobile radio Via mobile radio
- a cell broadcast transmission in GSM can be, for example, an SMS-CB.
- the traffic information 4 sent from the central office to a plurality of terminals 2 to 7 can in cellular cell broadcast messages (SMS-CB) for cells or Cell groups can be sent out individually (i.e. with different contents).
- SMS-CB cellular cell broadcast messages
- radio cells of a mobile radio network it is thus possible in radio cells of a mobile radio network to only those there to transfer relevant information, for example in the city area Düsseldorf only information related to the Düsseldorf city area and no information Information regarding Kunststoff, accordingly only on a motorway Information on the motorway in the direction of travel and not far away or in Information relating to motorways segments lying in a different direction of travel.
- the traffic information 4, 5, 6, 7 is in this order from a center all terminals 2 in a specific cell or cell group per Cellular cell broadcast broadcast.
- the traffic information 4, 5, 6 contains, for example, status data 19, which the State of segments represented in the traffic information 4 to 6.
- Status data can include travel times or speeds in Specify the specified accuracy.
- the segments on which status data is based in traffic information 4 are referred to here by a in the control center (11) and in the terminal (14) saved segment table defined identically. So only the numbers of the segments, here 4711, 4712, 4713, 4714 for the four of the traffic information 4 transferred affected segments. The same applies to traffic information 5, 6. In traffic information 7, however, certain or all status data are do not transfer. No traffic data is shown in traffic information 7 here, So only the segment data "4716,4715, 1714, 4713" from the headquarters 1 to the Transfer terminal 2. Nevertheless, the terminal can determine according to the invention Assign certain status data such as traffic jams etc. to segments of the transport network.
- the terminal checks in a decoding and comparison device 15 for over one Receiving device 16 (for mobile radio or RDS-TMC) received in one Memory 14 (for older and current traffic information, segment tables and Status tables) stored traffic information 7 whether a match identities of at least one of the segments in older traffic information (4, 5 or 6) and one of the segments of the current traffic information (7) and Agreement of segments representing the direction of travel further information (especially in the current (7) and older (4, 5 or 6) Traffic information).
- This review is done by comparing the Segments and in the direction of information representing the current Traffic information 7 one after the other individually with the older ones Traffic information 4, 5, 6 carried out. In this case, a Correspondence of the segment 4714 in the traffic information 7 and in the older traffic information 5 and 4 found.
- the information representing affected lanes in the segments is here Sequence of the transmission and storage of another device on the device checked the first segment of the adjacent segment, in this case segment 4713.
- traffic information 4 4713 is transmitted before 4714, while it is in the older one Traffic information 5 as well as in the new traffic information 7 after 4714 is transmitted. This is 5 in the older traffic information and in the newer Traffic information 7 designated driving direction identical.
- the Traffic information 5 and 7 at least partially matching sections a street. It is therefore assumed that the state data in the older traffic information 5 also represented the traffic jam in the current one Traffic information 7 affected segments, namely all specified there Affect segments (4716, 4715, 4714, 4713). It is considered for example assumed that a traffic jam has partially shifted.
- segments according to Figure 1 segment 9998 and 9999, each individually for all lanes of a direction of travel of a road section are sufficient the match of a segment (for example 9998) in the older ones Traffic information and current traffic information to a Assume agreement and the state data of the older Traffic information as segments relating to the current traffic information define, since here the direction of travel is already defined in a single segment is. If one for all lanes (even in different directions) Street section together only one segment is defined, the direction of travel affected lanes by the order of transmitting segments or by a direction flag transmitted to a segment can be determined.
- the output 18 in FIG. 2 can, for example, be optically or acoustically in the form of Congestion notices etc. are given.
- Output traffic information 18 can for example, directly from the transmitted traffic information according to their Decoding can be obtained.
- the traffic information to be output 18 can also be navigation instructions, which are based on the transmitted Traffic information is created for the end user.
- FIG. 3 shows the traffic information 4 to 7 transmitted in the list Order of their transmission.
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
- Traffic Control Systems (AREA)
- Communication Control (AREA)
Claims (21)
- Procédé pour décoder (15) des informations de trafic (4, 5, 6, 7) transmises à un terminal (2) par une centrale (1) d'informations de trafic, concernant un réseau routier (4712, 4713 ...),
des informations de trafic transmises (4 à 7) représentant au moins l'état d'au moins un segment (4714, 4713) du réseau routier et l'identité ("4714", "4713") du segment,
le terminal (2) mémorisant en informations de trafic (4, 5, 6, 7) obtenues par la transmission les données de segments ("4712", ...) représentant des segments concernés par celles-ci d'une façon représentant le sens marche de voies de circulation concernées dans les segments concernés et l'état des données d'état représentant des segments,
caractérisé en ce que :le terminal (2) compare des segments (4716, 4715, 4714, 4713) représentés dans des informations de trafic (7) actuelles transmises à celui-ci avec des segments représentés dans des informations de trafic (4, 5, 6) plus anciennes transmises avant ces informations de trafic actuelles (7), etle terminal (2), lors de la coïncidence de l'identité d'au moins un des segments (4713) des informations de trafic plus anciennes (5) et d'un des segments (4713) des informations de trafic actuelles (7) et de la coïncidence supplémentaire du sens de marche dans ces segments (4713, 4713), définit les données d'état (14) mémorisées en ces informations de trafic plus anciennes (5) comme concernant les segments (4716, 4715, 4714, 4713) indiqués dans les informations de trafic actuelles (7) et les utilise (17) pour la sortie (18) vers l'utilisateur du terminal. - Procédé selon la revendication 1,
caractérisé en ce que, dans la centrale d'informations de trafic (1) et dans le terminal (2), un segment représente une route en totalité ou toutes les voies de circulation ou quelques-unes de celles-ci dans un sens sur une route. - Procédé selon une des revendications précédentes,
caractérisé en ce que, dans la centrale d'informations de trafic (1) et dans le terminal (2), un segment représente un tronçon d'une route (4712) ou un tronçon de toutes les voies de circulation ou de quelques-unes de celles-ci dans un sens (9998) sur une route. - Procédé selon une des revendications précédentes,
caractérisé en ce que des données d'état, quantifiées en deux, trois, quatre, cinq ou plus de cinq étapes, représentent les vitesses ou durées de parcours dans au moins un segment. - Procédé selon une des revendications précédentes,
caractérisé en ce que des données d'état représentent des données météorologiques dans au moins un segment. - Procédé selon une des revendications précédentes,
caractérisé en ce que des données d'état représentent des accidents ou déviations d'itinéraire dans au moins un segment. - Procédé selon une des revendications précédentes,
caractérisé en ce que des informations de trafic sont transmises par radio, en particulier RDS-TMC. - Procédé selon une des revendications précédentes,
caractérisé en ce que des informations de trafic sont transmises par radiotéléphonie mobile. - Procédé selon le revendication 8,
caractérisé en ce que des informations de trafic sont transmises par message radio cellulaire, GSM-CB 3. - Procédé selon le revendication 9,
caractérisé en ce que des informations de trafic transmises (4 à 7) sont différentes dans différentes cellules de téléphonie mobile ou groupes de cellules de téléphonie mobile, en particulier en ce qu'elles sont émises en étant sélectionnées suivant la pertinence locale. - Procédé selon une des revendications précédentes,
caractérisé en ce que plusieurs informations de trafic plus anciennes (4, 5, 6) sont présentes dans le terminal et sont comparées, à chaque fois, avec au moins une information de trafic actuelle. - Procédé selon une des revendications précédentes,
caractérisé en ce que plusieurs informations de trafic actuelles sont mémorisées dans le terminal. - Procédé selon une des revendications précédentes,
caractérisé en ce que des données d'état (19) d'une information de trafic plus ancienne (5) sont définies comme une information de trafic actuelle (7) sur la base des autres informations dans les informations de trafic actuelles et plus anciennes concernant le sens de marche, lorsqu'au moins deux identités de segment mémorisées (4714, 4713) et leur succession dans la mémoire coïncident. - Procédé selon une des revendications précédentes,
caractérisé en ce que des données d'état d'une information de trafic plus ancienne (5) sont définies comme concernant des segments d'une information de trafic actuelle (7), lorsqu'au moins une identité de segment et le sens de marche des informations représentant la voie concernée dans le segment, transmises ou également présentes dans le terminal coïncident. - Procédé selon une des revendications précédentes,
caractérisé en ce que, dans les informations de trafic transmises (4 à 7) sur le trajet de transmission (3) de la centrale d'informations de trafic (1) au terminal (2), une chaíne (4716, 4715, 4714, 4713) de plusieurs segments successifs dans un sens de marche sont représentés par leur premier segment (4716) ou leur dernier segment (4713) et le nombre des segments, par exemple quatre, dans la chaíne et une indication de sens représentant le sens dans lequel s'étend la chaíne du premier segment (4716) ou du dernier segment (4713). - Procédé selon une des revendications précédentes,
caractérisé en ce que les informations de trafic actuelles (7) sont transmises sans données d'état (19) de la centrale (1) au terminal (2) précisément lorsque, dans les segments contenus dans les informations de trafic actuelles, au moins l'un coïncide avec un segment dans une information de trafic plus ancienne (5). - Procédé selon la revendication 16,
caractérisé en ce qu'une transmission sans données d'état est effectuée uniquement lorsqu'au moins deux segments coïncident dans les données d'état actuelles et des données d'état quelconques plus anciennes transmises précédemment. - Terminal, en particulier pour la mise en oeuvre du procédé se-Ion une des revendications précédentes, comportant :un dispositif de réception (16) pour recevoir des informations de trafic (4 à 7) transmises par radio par une centrale d'informations de trafic (1),une mémoire (14) pour mémoriser des informations de trafic transmises,
le terminal (2) étant réalisé de sorte que, lors de la coïncidence des identités d'au moins un des segments (4713) des informations de trafic actuelles (7) et des informations de trafic plus anciennes (5) et du sens de marche concerné dans les segments comparés, il définit (15) les données d'état (19) mémorisées en ces informations de trafic plus anciennes (5) comme concernant les segments (4716, 4715, 4714, 4713) indiqués dans les informations de trafic actuelles, et les utilise pour des sorties (18) vers l'utilisateur du terminal. - Terminal selon la revendication 18,
caractérisé en ce que le dispositif de réception est un dispositif de réception radio, en particulier un dispositif de réception RDS-TMC. - Terminal selon la revendication 18,
caractérisé en ce que le dispositif de réception est un dispositif de réception de radiotéléphonie mobile pour décoder des informations transmises par radiotéléphonie mobile. - Centrale d'informations de trafic, en particulier pour la mise en oeuvre du procédé selon une des revendications 1 à 17, comportent :un dispositif d'émission (12) pour émettre des informations de trafic,une mémoire (9) pour des informations de trafic à émettre,
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19859598 | 1998-12-14 | ||
DE19859598 | 1998-12-14 | ||
DE19917842A DE19917842A1 (de) | 1998-12-14 | 1999-04-13 | Verfahren zur Identifizierung segmentübergreifender Ereignisse durch Segmente |
DE19917842 | 1999-04-13 | ||
PCT/DE1999/003950 WO2000039774A2 (fr) | 1998-12-14 | 1999-12-06 | Procede pour identifier des evenements couvrant plusieurs segments, par l'intermediaire desdits segments |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1145210A2 EP1145210A2 (fr) | 2001-10-17 |
EP1145210B1 true EP1145210B1 (fr) | 2002-09-11 |
Family
ID=26050985
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99964419A Expired - Lifetime EP1145210B1 (fr) | 1998-12-14 | 1999-12-06 | Procede pour identifier des evenements couvrant plusieurs segments, par l'intermediaire desdits segments |
Country Status (6)
Country | Link |
---|---|
US (1) | US6618667B1 (fr) |
EP (1) | EP1145210B1 (fr) |
JP (1) | JP2002533854A (fr) |
AT (1) | ATE224086T1 (fr) |
ES (1) | ES2181497T3 (fr) |
WO (1) | WO2000039774A2 (fr) |
Families Citing this family (21)
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US7096115B1 (en) | 2003-09-23 | 2006-08-22 | Navteq North America, Llc | Method and system for developing traffic messages |
JP2005181219A (ja) * | 2003-12-22 | 2005-07-07 | Aisin Aw Co Ltd | 情報配信システム及び情報配信方法のプログラム |
KR20060119743A (ko) * | 2005-05-18 | 2006-11-24 | 엘지전자 주식회사 | 구간 속도에 대한 예측정보를 제공하고 이를 이용하는 방법및 장치 |
KR100711866B1 (ko) * | 2005-05-18 | 2007-04-25 | 엘지전자 주식회사 | 소통상태에 대한 예측정보를 제공하고 이를 이용하는 방법및 장치 |
KR20060119739A (ko) * | 2005-05-18 | 2006-11-24 | 엘지전자 주식회사 | 구간 통과시간에 대한 예측정보를 제공하고 이를 이용하는방법 및 장치 |
KR20060119742A (ko) * | 2005-05-18 | 2006-11-24 | 엘지전자 주식회사 | 도로 정보를 제공하고 이를 이용하는 방법 및 장치 |
WO2006123903A1 (fr) * | 2005-05-18 | 2006-11-23 | Lg Electronics Inc. | Fourniture d'information de trafic comprenant des sous liaisons de liaisons |
KR20060119746A (ko) * | 2005-05-18 | 2006-11-24 | 엘지전자 주식회사 | 교통상태에 대한 정보를 제공하고 이를 이용하는 방법 및장치 |
KR20060119741A (ko) * | 2005-05-18 | 2006-11-24 | 엘지전자 주식회사 | 소통상태의 추이정보를 제공하고 이를 이용하는 방법 및장치 |
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 |
KR20060122668A (ko) * | 2005-05-27 | 2006-11-30 | 엘지전자 주식회사 | 교통 정보 제공 방법 및 수신 장치 |
WO2007007953A1 (fr) | 2005-07-08 | 2007-01-18 | Lg Electronics Inc. | Procede de transmission d'informations de trafic comprenant des donnees de trafic en cours destinees a une liaison et procede d'utilisation de celles-ci |
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 |
KR101254219B1 (ko) * | 2006-01-19 | 2013-04-23 | 엘지전자 주식회사 | 링크 식별 방법 및 링크 식별 장치 |
DE602007014023D1 (de) * | 2006-01-19 | 2011-06-01 | Lg Electronics Inc | Verfahren zum senden und empfangen von verkehrsinformationen und vorrichtung dafür |
JP4736979B2 (ja) * | 2006-06-30 | 2011-07-27 | 日産自動車株式会社 | 車載装置、交通情報取得方法、交通情報提供システム及び交通情報提供方法 |
US9251703B1 (en) | 2006-09-18 | 2016-02-02 | Here Global B.V. | Methods of providing traffic information and supporting apparatus, readable medium, and memory |
KR100795586B1 (ko) | 2006-09-25 | 2008-01-21 | 주식회사 케이티프리텔 | 이동통신망을 이용한 교통정보 제공 시스템 및 방법 |
US8180518B2 (en) * | 2008-04-15 | 2012-05-15 | Robert Bosch Gmbh | System and method for determining microenvironment conditions external to a vehicle |
JP5535711B2 (ja) * | 2010-03-24 | 2014-07-02 | アルパイン株式会社 | 車載用ナビゲーション装置及び交通情報表示方法 |
US8554468B1 (en) * | 2011-08-12 | 2013-10-08 | Brian Lee Bullock | Systems and methods for driver performance assessment and improvement |
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DE2930509C2 (de) * | 1979-07-27 | 1985-02-14 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Verfahren zur Informationsübertragung |
DE3752122T3 (de) * | 1987-05-09 | 2004-07-29 | Koninklijke Philips Electronics N.V. | Einrichtung für Empfang und Verarbeitung von Strassennachrichtenmeldungen |
FR2633080B1 (fr) * | 1988-06-17 | 1990-11-09 | France Etat | Diffusion de messages d'informations, notamment d'informations routieres, a destination de recepteurs fixes ou mobiles a ecoute intermittente |
DE4008460A1 (de) * | 1990-03-16 | 1991-09-19 | Bosch Gmbh Robert | Navigationssystem |
JP3632706B2 (ja) * | 1994-09-22 | 2005-03-23 | アイシン・エィ・ダブリュ株式会社 | 車両用ナビゲーション装置 |
JP3203979B2 (ja) * | 1994-10-06 | 2001-09-04 | トヨタ自動車株式会社 | 車両用データ処理システム及び車載データ処理装置並びに車両用データ処理方法 |
WO1996011380A1 (fr) * | 1994-10-07 | 1996-04-18 | Mannesmann Ag | Unite d'entree de destination pour systeme de navigation |
AU5268796A (en) * | 1995-03-23 | 1996-10-08 | Detemobil | Method and system for determining dynamic traffic information |
KR100508807B1 (ko) * | 1998-10-10 | 2005-12-21 | 삼성전자주식회사 | 교통 정보 서비스 방법 |
-
1999
- 1999-12-06 JP JP2000591598A patent/JP2002533854A/ja active Pending
- 1999-12-06 WO PCT/DE1999/003950 patent/WO2000039774A2/fr active IP Right Grant
- 1999-12-06 AT AT99964419T patent/ATE224086T1/de not_active IP Right Cessation
- 1999-12-06 EP EP99964419A patent/EP1145210B1/fr not_active Expired - Lifetime
- 1999-12-06 ES ES99964419T patent/ES2181497T3/es not_active Expired - Lifetime
- 1999-12-06 US US09/868,085 patent/US6618667B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US6618667B1 (en) | 2003-09-09 |
WO2000039774A3 (fr) | 2000-09-21 |
EP1145210A2 (fr) | 2001-10-17 |
JP2002533854A (ja) | 2002-10-08 |
ATE224086T1 (de) | 2002-09-15 |
WO2000039774A2 (fr) | 2000-07-06 |
ES2181497T3 (es) | 2003-02-16 |
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