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EP1371046B1 - Procede pour produire des informations de circulation - Google Patents

Procede pour produire des informations de circulation Download PDF

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Publication number
EP1371046B1
EP1371046B1 EP02753694A EP02753694A EP1371046B1 EP 1371046 B1 EP1371046 B1 EP 1371046B1 EP 02753694 A EP02753694 A EP 02753694A EP 02753694 A EP02753694 A EP 02753694A EP 1371046 B1 EP1371046 B1 EP 1371046B1
Authority
EP
European Patent Office
Prior art keywords
central unit
detection sensors
information
mobile terminals
action
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
EP02753694A
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German (de)
English (en)
Other versions
EP1371046A1 (fr
Inventor
Michael Alger
Thomas Lang
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.)
Vodafone Holding GmbH
Original Assignee
Vodafone Holding 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 Vodafone Holding GmbH filed Critical Vodafone Holding GmbH
Publication of EP1371046A1 publication Critical patent/EP1371046A1/fr
Application granted granted Critical
Publication of EP1371046B1 publication Critical patent/EP1371046B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions

Definitions

  • the present invention relates to a method for generating traffic information according to claim 1 and a system for generating traffic information according to claim 14.
  • Such jam systems are operated, for example, by the police or by radio stations. They are based on the principle that the system includes as many "traffic jams" as possible, which provide a center with corresponding information about the current traffic situation in the area in which the traffic jam detectors are located.
  • the traffic jam detectors are also road users. If a road user acting as a traffic jam, for example, gets stuck in a traffic jam, sees a traffic jam or perceives other information that might justify traffic information, he reports to the center, for example via a mobile phone, and forwards the corresponding message. In the center, the message transmitted in this way is further processed to a corresponding traffic information.
  • the known jamming system has a number of disadvantages. On the one hand, it is very subjective because it depends on the activity of each traffic jam detector. The system can therefore only function to a sufficient extent if the road users acting as traffic jammers pass on the information in fact and, above all, correctly. Furthermore, such jam detection systems are often associated with relatively high costs, since incentive systems must be created to encourage as many road users as possible to become traffic jams.
  • the object of the present invention is to provide a method by means of which the disadvantages described in relation to the prior art are avoided.
  • traffic information with a maximum of information quality should be able to be generated at the lowest possible communication costs.
  • the invention is based on the finding that the object can be achieved by the fact that information of an information transmission system, preferably such information, which in any case incurred during its operation, can also be used to selectively control detection sensors for the generation of traffic information.
  • the object is achieved according to an aspect of the invention by a method for generating traffic information, in which a number of detection sensors generate action data and at least temporarily communicate with a central unit, wherein the individual action data from the Central unit detected and processed in this to corresponding traffic information.
  • the method according to the invention is characterized in that the central unit at least temporarily communicates with an information transmission system comprising a number of mobile terminals, that an action profile of the mobile terminals is determined and that the detection sensors are selectively controlled on the basis of the action profile via the central unit, the action profile of the mobile terminals is determined from information of the mobile terminals.
  • the disadvantages described in the prior art can be effectively avoided.
  • the inventive method it is possible by the inventive method to be able to generate traffic information "objectively" without having to resort to the previously required subjective components, such as traffic jam or the like.
  • the cost of generating such traffic information can be drastically reduced since the generation of such information only takes place where and when it is actually needed.
  • a basic idea of the present invention therefore consists in the fact that detection sensors are now selectively controlled via the central unit. That is, the central unit now determines which sensing sensors will be communicated with when to allow action data generated by the sensing sensors to be transmitted to the central processing unit to form traffic information. In contrast, it was provided in the previously known solutions that the detection sensors themselves decided when they transmitted action data to the central processing unit. In other cases, the action data was permanently forwarded from the detection sensors to the central processing unit, for which they had to constantly communicate with each other.
  • the invention is not limited to certain types of traffic information that may be generated by the method of the invention. For example, traffic information about the current traffic situation, ie the status quo, can be generated. Likewise, it is also conceivable that traffic information is generated that allow predictions about future expected traffic situations.
  • the detection sensors can be designed either mobile or stationary depending on the application. It is only important that the detection sensors are present with as large a number as possible and distributed in the area in which or for the traffic information to be generated.
  • the detection sensors are designed to be mobile, they can be arranged, for example, in the "floating cars" already described above and known per se. However, the generation of action data or its transmission to the central unit takes place only when this is determined by the central unit.
  • the detection sensors are part of the information transmission system.
  • they can, for example, be part of a mobile terminal, or even the mobile terminal itself.
  • the central unit communicates, at least temporarily, with an information transmission system having a number of mobile terminals.
  • the information transfer system is a stand-alone system.
  • the invention is not limited to specific types of information transmission systems. Some non-exclusive examples are explained in more detail later in the description.
  • the information transmission system must be configured such that the respective actions of the mobile terminals can be determined so that an action profile of the mobile terminals can be determined.
  • According to the action profile is determined from information of the mobile devices.
  • An action profile generated in this way can then be evaluated by the central unit.
  • the invention is not limited to specific information and action profiles in connection with the information transmission system or the mobile terminals. So it is conceivable, for example, that position data of the mobile terminals are generated, which are then combined to form a position profile. It is likewise conceivable to generate information relating to the movement, a time-dependent and / or local distribution, a number and / or density per unit area of mobile terminals and to combine them into corresponding action profiles.
  • the invention is not limited to specific action data with respect to the detection sensors.
  • such action data may be position data.
  • the detection sensors are part of the information transmission system, the examples described above are also conceivable as suitable action data.
  • the inventive method achieves the goal of addressing as few detection sensors as possible and of reporting only relevant action data.
  • the method according to the invention allows a good compromise between the message quantity and the message costs of the information during ongoing operation of the method.
  • the method according to the invention creates a correlation action profile - traffic situation.
  • the central processing unit can have a computer unit with one or more electronic computers, the traffic information being advantageously generated electronically in the central unit in such a case.
  • the traffic information being advantageously generated electronically in the central unit in such a case.
  • multiple computers they can preferably be interconnected to a computer network.
  • the action profile of the mobile terminals can be determined electronically from the information of the mobile terminals.
  • the action profile can advantageously be evaluated automatically by the central unit.
  • the detection sensors can be automatically controlled on the basis of the action profile.
  • the generation of the traffic information can advantageously be made with the aid of suitable program means or software, or at least be supported.
  • the action profile of the mobile terminals can be determined electronically within the information transmission system and / or within the central unit. If the action profile is determined within the information transmission system, this preferably has its own central unit, in which the information of the individual mobile terminals is collected and then combined to form the action profile. In such a case, the already completed action profile is transmitted from the information transmission system to the central unit which communicates with the detection sensors. If the action profile of the mobile terminals is determined within the central unit for generating the traffic information, the individual information of the mobile terminals are transmitted from the information transmission system to the central unit. There, the action profile of the mobile devices is calculated from the corresponding information.
  • the invention is not limited to certain types of information transmission systems, so that in principle any form of information transmission system is possible in which mobile terminals are used for the transmission of information.
  • Suitable information transmission systems are, for example, systems for transmitting signals, such as systems for transmitting data, radio signals and the like.
  • the information transmission system can be designed as a mobile radio system in which the mobile terminals are provided in the form of mobile phones. In this case, an action profile of the mobile phones is determined from information of the mobile phones.
  • the mobile radio system can be designed as a cellular mobile radio system.
  • the action profile can be formed, for example, from information relating to the mobile phones, for example with respect to the movement of the mobile phones, such as between different cells (handover between cells) and / or within a cell, the time-dependent and / or local distribution of the mobile phones, the number and / or density of mobile phones per cell, the call setup rate and / or degradation rate, and the like.
  • the call frequency at certain numbers, for example, offered in the D2 network number "22666", can be queried under the traffic information.
  • the action data generated by the detection sensors within the detection sensors can be compared with reference action data, the action data being forwarded to the central unit in the event of a deviation from the reference action data.
  • the reference action data can advantageously be stored or stored in a suitable memory device. If the detection sensors are integrated, for example, in corresponding "floating cars", the determined action data can be position data. To do so, the floating cars measure their position via GPS, compare their movement with stored profiles and report a significant deviation to the central unit. There, the mass of the reported position data in a traffic situation image or traffic information is further processed. Such an embodiment has the advantage that only then position data are forwarded to the central unit, if deviations have resulted from the reference position data. Otherwise no position data will be transmitted.
  • all action data generated by the detection sensors forwarded to the central unit and that the action data within the central unit are compared with reference action data of the detection sensors.
  • the individual detection sensors can be made simpler and thus cheaper. You just need to be able to generate the action data. The actual evaluation and further processing of the action data takes place centrally in the central unit.
  • the detection sensors can be selectively controlled locally and / or temporally on the basis of the action profile of the mobile terminals.
  • the method according to the invention will be explained in more detail below with reference to a specific example, without the invention being restricted to this example given.
  • the method should be used to provide information about the current traffic situation, for example, whether or not there are traffic jams on certain routes.
  • reports about the traffic situation should only be issued where a congestion is actually suspected.
  • the assumption of congestion is gained by the use of the information transfer system, which should be present in the example in the form of a mobile network.
  • the conjecture of congestion is obtained, for example, by using position information from mobile phones, which are assembled into a position profile.
  • the position information of the mobile phones may be, for example, information that occurs during normal network operation.
  • the operator of the mobile network can easily determine how many mobile phones are each within a single mobile cell. Also, the transgression of mobile phones from a mobile phone cell into another mobile radio cell (Handover) can be detected by the mobile network operator, so that this can make statements about the movement of mobile phones in an area covered by the mobile radio cells.
  • Handover mobile radio cell
  • the example is based on the assumption that those road users who are in possession of a mobile phone and who are in a traffic jam call more than usual, for example because they want to inform their call partner about the expected delay or that they call certain numbers, to find out about the current traffic situation.
  • the determined position profile of the mobile terminals for evaluation within the central unit can be compared with reference position profile values.
  • the reference position profile values can in turn be stored or stored in a suitable memory device.
  • the mobile operator's local call profiles can be stored as "no jam” and “congested” as reference position profile values.
  • the current position profiles for example corresponding "call profiles” are compared with the reference position profile values. If there is sufficient agreement with the call profile "with congestion” then the detection sensors in the respective area are activated.
  • the action information of the mobile terminals is basically only very roughly required, since the actual generation of traffic information is still based on the generation of the action data by the detection sensors. If the action profile of the mobile terminals is sufficiently similar to the corresponding reference action profile values, then there is only a suspicion of congestion, and the detection sensors are activated or activated in the manner described above.
  • control parameters for the detection sensors can be generated on the basis of the action profile of the mobile terminals of the central unit, which are then forwarded to the detection sensors.
  • the control parameters can advantageously determine when and in which way which detection sensor is to be activated or controlled. Suitable control parameters may be, for example, "do not send messages", “normal message activity”, “increased message activity” and the like.
  • control parameters can be calculated in the central unit.
  • the central unit may have suitable program means, for example computer programs, software and the like.
  • the action profile of the mobile terminals can be determined from location information and / or activity information of the mobile terminals. If the mobile terminals are mobile phones within a mobile radio network, this can be, for example, the network load in selected areas, for example in certain mobile radio cells. Likewise, the action profile may also be formed on the basis of the information described above.
  • the inventive method makes it possible that communication costs between the detection sensors and the central unit incurred only if there is actually something to report. This reduces the so far significantly high communication costs. Detection sensors that are not in the area to be monitored can be controlled in such a way that they do not respond at all or only to a limited extent. As a result, it is additionally possible to achieve a concentration of the messages on the focal points of interest.
  • a system for generating traffic information comprising a number of detection sensors capable of at least temporarily communicating or communicating with a central processing unit, having an information transmission system comprising a number of mobile terminals, and at least temporarily communicating with the Central unit can communicate or communicate, and with means for carrying out the method according to the invention as described above.
  • FIG. 1 a schematic view of an inventive system for generating traffic information.
  • a system 10 for generating traffic information 30 which initially consists of a number of detection sensors 20.
  • the detection sensors 20 are integrated in so-called "floating cars".
  • the detection sensors 20 can measure their position by GPS.
  • the position data 26 generated in this way or the movement information derived therefrom are forwarded to a central processing unit 21.
  • the individual position data 26 are detected by the central unit 21 and further processed in this to corresponding traffic information 30.
  • the central unit 21 has a computer unit 22.
  • the conversion of the generated position data 26 into traffic information 30 takes place within the central unit 21 - and here within the computer unit 22 - automatically and with the aid of suitable program means.
  • a problem with such a system has heretofore been that the communication costs of all participating detection sensors 20 were relatively high, because the detection sensors 20 either decided by themselves when position data 26 was forwarded to the central unit 21, or because position data 26 was permanently transmitted from the detection sensors 20 to the central unit 21 Central unit 21 have been forwarded.
  • the system 10 according to the invention is now designed in such a way that messages about the traffic situation, in particular whether traffic jams exist on certain routes, are discontinued only where a congestion is actually suspected.
  • the conjecture of congestion is gained through the use of an information transfer system 40 which at least temporarily communicates with the central unit 21.
  • the information transmission system 40 has a number of mobile terminals 41 that can communicate with each other as well as with a central processing unit 42 of the information transmission system 40.
  • the central unit 42 in turn has at least one computer unit 43.
  • Both computer units 22, 43 of the central units 21, 42 are each connected to memory devices 23, 44 in which data required for operation is stored or stored.
  • the two central units 21, 42 are interconnected in such a way that the central unit 21 can at least temporarily communicate with the information transmission system 40, which is represented by arrow 45.
  • information transmission system 40 is a mobile network in which the mobile terminals 41 are designed in the form of mobile phones.
  • a position profile 45 of the mobile phones 41 can be determined from the position information of the mobile phones.
  • This link can be used to control the detection sensors 20, or to their reporting activity.
  • reference position profile values may be, for example, certain position profiles of the mobile radio operator "without congestion” and "with congestion", which are stored in the memory device 44.
  • the reference position profile values can be of the type "as the position profile of the mobile phones looked like in place XY, so there was a traffic jam, or there was no traffic jam".
  • the current position profiles 45 determined by the central unit 42 are compared with these reference position profile values. If a match is achieved and a "stowage profile" is detected, there is a suspicion of a traffic jam. Now, the corresponding position profile 45 to the central unit 21, or their computer unit 22, forwarded. Likewise, the corresponding reference position profile values can also be stored or stored in the memory device 23 of the central unit 21.
  • control parameters 25 are distributed to all detection sensors 20 which are located in the specific area.
  • the control parameters 25 may be, for example, "no messages to send", "normal message activity” and "increased message activity”.
  • the detection sensors 20 which are selectively activated in this way then generate corresponding position data 26, which are detected by the central unit 21 and further processed therein to corresponding traffic information 30, which then be made available to road users.
  • corresponding position data 26 which are detected by the central unit 21 and further processed therein to corresponding traffic information 30, which then be made available to road users.
  • the invention it is possible to generate as few messages as possible, that is position data 26, and to report only relevant events. In this way, a good compromise between message quantity and message costs during operation of the system 10 can be achieved.
  • the invention makes it possible to obtain a measure which specifies whether and where messages, that is to say position data 26, are relevant with high probability.
  • two of the five detected detection sensors 20 shown have been muted in this manner, which is represented by corresponding connecting lines with the reference numeral 27.
  • three detection sensors 20 were located in an area that was classified as relevant by means of the position profile 45 generated by the mobile radio system 40, these detection sensors 20 being driven by the central unit 21 via corresponding control parameters 25 in such a way that of the Detection sensors 20 generated position data 26 could be detected by the central unit 21 and further processed in this to corresponding traffic information 30.
  • the invention is not limited to a specific number of detection sensors 20 and mobile terminals 41.
  • To illustrate the invention are in FIG. 1 only a few detection sensors 20 and mobile terminals 41 are shown. In order to achieve optimal results, however, the largest possible number of locally distributed detection sensors 20 and mobile terminals 41 is required.

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  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)
  • Mobile Radio Communication Systems (AREA)

Claims (14)

  1. Procédé destiné à produire des informations de circulation (30), dans lequel un nombre de capteurs de détection (20) produisent des données d'action (26) et communiquent au moins de manière intermittente avec une unité centrale (21), les données d'action individuelles (26) étant détectées par l'unité centrale (21) et transformées dans celle-ci en informations de circulation correspondantes (30),
    caractérisé en ce que
    l'unité centrale (21) communique au moins de manière intermittente avec un système de transmission de données (40) qui présente un nombre de terminaux mobiles (41),
    en ce qu'un profil d'action (45) des terminaux mobiles (41) est déterminé et en ce que les capteurs de détection (20) sont contrôlés de manière ciblée par l'unité centrale (21) sur la base du profil d'action (45), le profil d'action (45) des terminaux mobiles (41) étant déterminé à partir des informations des terminaux mobiles (41).
  2. Procédé selon la revendication 1, caractérisé en ce que le profil d'action (45) est analysé par l'unité centrale (21).
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que l'unité centrale (21) présente une unité de calcul (22) avec un ou plusieurs ordinateurs et en ce que les informations de circulation (30) sont produites électroniquement dans l'unité centrale (21).
  4. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce que les capteurs de détection (20) font partie intégrante du système de transmission d'informations (40).
  5. Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le profil d'action (45) des terminaux mobiles (41) est déterminé électroniquement au sein du système de transmission d'informations (40) ou au sein de l'unité centrale (21) .
  6. Procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le système de transmission d'informations (40) est conçu comme un système de communication mobile, dans lequel les terminaux mobiles (41) sont prévus sous forme de téléphones mobiles et en ce qu'un profil d'action (45) des téléphones mobiles (41) est déterminé à partir des informations des téléphones mobiles (41).
  7. Procédé selon l'une quelconque des revendications 1 à 6, caractérisé en ce que les données d'actions (26) produites par les capteurs de détection (20) sont comparées au sein des capteurs de détection (20) avec les données d'action de référence et en ce que les données d'action (26) sont transmises à l'unité centrale (21) en cas de divergence par rapport aux données d'action de référence.
  8. Procédé selon l'une quelconque des revendications 1 à 7, caractérisé en ce que toutes les données d'action (26) produites par les capteurs de détection (20) sont transmises à l'unité centrale (21) et en ce que les données d'action (26) sont comparées au sein de l'unité centrale (21) avec les données d'action de référence des capteurs de détection (20).
  9. Procédé selon l'une quelconque des revendications 1 à 8, caractérisé en ce que les capteurs de détection (20) sont contrôlés de manière ciblée localement et/ou temporellement sur la base du profil d'action (45) des terminaux mobiles (41).
  10. Procédé selon l'une quelconque des revendications 1 à 9, caractérisé en ce que le profil d'action déterminé (45) des terminaux mobiles (41) est comparé avec les valeurs du profil d'action de référence pour être analysé au sein de l'unité centrale (21).
  11. Procédé selon l'une quelconque des revendications 1 à 10, caractérisé en ce que sur la base du profil d'action (45) des terminaux mobiles (41) des paramètres de contrôle (25) pour les capteurs de détection (20) sont produits par l'unité centrale (21) et en ce que les paramètres de contrôle (25) sont transmis aux capteurs de détection (20).
  12. Procédé selon la revendication 11, caractérisé en ce que les paramètres de contrôle (25) sont calculés dans l'unité centrale (21).
  13. Procédé selon l'une quelconque des revendications 1 à 12, caractérisé en ce que le profil d'action (45) des terminaux mobiles (41) est déterminé à partir des informations de lieu et/ou des informations d'activité des terminaux mobiles (41).
  14. Système destiné à produire des informations de circulation (30) avec un nombre de capteurs de détec tion (20) qui communiquent ou peuvent communiquer au moins de manière intermittente avec une unité centrale (21), avec un système de transmission d'informations (40) qui présente un nombre de terminaux mobiles (41) et qui communique ou peut communiquer au moins de manière intermittente avec l'unité centrale (21) et
    avec des moyens d'exécution du procédé selon l'une quelconque des revendications 1 à 13.
EP02753694A 2001-03-22 2002-03-15 Procede pour produire des informations de circulation Expired - Lifetime EP1371046B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10114016 2001-03-22
DE10114016A DE10114016A1 (de) 2001-03-22 2001-03-22 Verfahren zum Erzeugen von Verkehrsinformationen
PCT/DE2002/000946 WO2002077947A1 (fr) 2001-03-22 2002-03-15 Procede pour produire des informations de circulation

Publications (2)

Publication Number Publication Date
EP1371046A1 EP1371046A1 (fr) 2003-12-17
EP1371046B1 true EP1371046B1 (fr) 2009-03-11

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EP02753694A Expired - Lifetime EP1371046B1 (fr) 2001-03-22 2002-03-15 Procede pour produire des informations de circulation

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EP (1) EP1371046B1 (fr)
AT (1) ATE425528T1 (fr)
DE (2) DE10114016A1 (fr)
ES (1) ES2323857T3 (fr)
WO (1) WO2002077947A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10249618A1 (de) * 2002-10-21 2004-05-13 DDG GESELLSCHAFT FüR VERKEHRSDATEN MBH Verfahren zur Generierung impliziter Informationen aus FC-Daten
DE102017206363A1 (de) * 2017-04-13 2018-10-18 Bayerische Motoren Werke Aktiengesellschaft System und Verfahren zur dynamischen, ortsselektiven Erfassung von Verkehrsdaten

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5465289A (en) * 1993-03-05 1995-11-07 E-Systems, Inc. Cellular based traffic sensor system
US5732383A (en) * 1995-09-14 1998-03-24 At&T Corp Traffic information estimation and reporting system
DE19638070A1 (de) * 1996-09-18 1998-03-19 Deutsche Telekom Mobil Verfahren zur Verkehrsdatenerfassung mittels Mobilfunkgeräten
GB9914812D0 (en) * 1999-06-25 1999-08-25 Kew Michael J Traffic monitoring

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Publication number Publication date
DE50213351D1 (de) 2009-04-23
ATE425528T1 (de) 2009-03-15
EP1371046A1 (fr) 2003-12-17
ES2323857T3 (es) 2009-07-27
WO2002077947A1 (fr) 2002-10-03
DE10114016A1 (de) 2002-10-10

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