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WO2002077947A1 - Procede pour produire des informations de circulation - Google Patents

Procede pour produire des informations de circulation Download PDF

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Publication number
WO2002077947A1
WO2002077947A1 PCT/DE2002/000946 DE0200946W WO02077947A1 WO 2002077947 A1 WO2002077947 A1 WO 2002077947A1 DE 0200946 W DE0200946 W DE 0200946W WO 02077947 A1 WO02077947 A1 WO 02077947A1
Authority
WO
WIPO (PCT)
Prior art keywords
central unit
detection sensors
information
action
mobile
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
PCT/DE2002/000946
Other languages
German (de)
English (en)
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 GmbH
Vodafone Holding GmbH
Original Assignee
Vodafone GmbH
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 GmbH, Vodafone Holding GmbH filed Critical Vodafone GmbH
Priority to DE50213351T priority Critical patent/DE50213351D1/de
Priority to EP02753694A priority patent/EP1371046B1/fr
Publication of WO2002077947A1 publication Critical patent/WO2002077947A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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 the preamble of claim 1 and a system for generating traffic information.
  • traffic jam systems are operated, for example, by the police or radio stations. They are based on the principle that the system includes as many "traffic jams" as possible that are central provide appropriate information about the current traffic situation in the area in which the traffic jams are currently located.
  • the traffic jams are also road users. If, for example, a traffic participant acting as a traffic jam detector drives into a traffic jam, sees a traffic jam or perceives other information that could justify traffic information, he reports to the head office, for example via a mobile phone, and forwards the corresponding message. The message transmitted in this way is further processed in the head office to give corresponding traffic information.
  • the known traffic jam system has a number of disadvantages. On the one hand, it is very subjective because it depends on the activity of every traffic jam detector. The system can therefore only function to a sufficient extent if the road users acting as traffic jam detectors actually and above all pass the information on correctly. Furthermore, such traffic jam detection systems are often associated with relatively high costs, since incentive systems have to be created in order to animate as many road users as possible to become traffic jams.
  • the present invention is based on the object of providing a method by means of which the disadvantages described in the prior art are avoided.
  • This object is achieved by the method for generating traffic information according to claim 1 and the system for generating traffic information according to claim 15. Further advantages, features, details and effects of the present invention result from the subclaims, the description and the drawings. Advantages and features that are described in relation to the method according to the invention naturally also apply in connection with the system according to the invention, and vice versa.
  • the invention is based on the finding that the object can be achieved in that information from an information transmission system, preferably such information that is obtained during its operation, can also be used in order to be able to specifically control detection sensors for generating traffic information.
  • the object is achieved 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, the individual action data being recorded by the central unit and further processed therein to corresponding traffic information.
  • the method according to the invention is characterized in that the central unit communicates at least temporarily with an information transmission system that has a number of mobile terminals, that an action profile of the mobile terminals is determined, and that the detection sensors are controlled in a targeted manner on the basis of the action profile via the central unit.
  • the method according to the invention makes it possible to be able to generate traffic information “objectively” without having to focus on the subjective information previously required Components, such as traffic jams or the like, would have to be used. Furthermore, the costs for generating such traffic information can be drastically reduced, since the generation of such information only takes place where it is actually needed.
  • a basic idea of the present invention is therefore that detection sensors are now specifically controlled via the central unit. This means that the central unit now determines which detection sensors are communicated with when and so that action data generated by the detection sensors can be transmitted to the central unit to form traffic information. In contrast to this, the previously known solutions provided that the detection sensors themselves decide when they transmit action data to the central unit. In other cases, the action data was continuously forwarded from the detection sensors to the central unit, for which they had to constantly communicate with one another.
  • the invention is not restricted to certain types of traffic information that can be generated with the method according to the invention.
  • traffic information about the current traffic situation i.e. the status quo
  • traffic information is generated that allows predictions about future traffic situations to be expected.
  • the detection sensors can be designed to be either mobile or stationary, depending on the application. It is only important that the detection sensors are present with the largest possible number and as distributed as possible in the area in which or for which traffic information is to be generated. If 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 their transmission to the central unit only takes place if this is determined by the central unit ,
  • the detection sensors can be part of the information transmission system.
  • they can be part of a mobile device, for example, or even the mobile device itself.
  • the central unit communicates, at least temporarily, with an information transmission system that has a number of mobile terminals.
  • the information transmission system is an independent system.
  • the invention is not limited to certain types of information transmission systems. Some non-exclusive examples will be explained in more detail later in the description. According to the invention, however, the information transmission system must be designed in such a way that the respective actions of the mobile devices can be determined, so that an action profile of the mobile devices can be determined.
  • the action profile can advantageously be determined from information from the mobile end devices.
  • An action profile generated in this way can then be evaluated by the central unit.
  • the invention is not restricted to specific information and action profiles in connection with the information transmission system or the mobile end devices. For example, it is conceivable that position data of the mobile terminals is generated, which are then combined into a position profile. It is also 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 end devices and to combine them into corresponding action profiles.
  • the invention is not limited to specific action data relating to the detection sensors.
  • action data can be position data.
  • the acquisition serisors are part of the information transmission system, the examples described above are also conceivable as suitable action data.
  • the aim of the method according to the invention is to address as few detection sensors as possible and to report only relevant action data.
  • the method according to the invention allows a good compromise between the amount of messages and the costs of reporting the information while the method is in operation.
  • the method according to the invention creates a correlation between the action profile and the traffic situation.
  • the central unit can advantageously have a computer unit with one or more electronic computers, the traffic information in such a case advantageously being generated electronically in the central unit.
  • these can preferably be interconnected to form a computer network.
  • the action profile of the mobile devices can advantageously be determined electronically from the information of the mobile devices.
  • the action profile in turn can advantageously be automatically evaluated by the central unit.
  • the detection sensors can also be automatically controlled in a targeted manner based on the action profile.
  • the generation of the traffic information can advantageously be carried out with the aid of suitable program means or software, or at least be supported.
  • the action profile of the mobile terminals can advantageously 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 from the individual mobile devices 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 within the central unit for generating the traffic information is determined, the individual information of the mobile terminals from the information transmission system to the central unit. The action profile of the mobile devices is calculated there from the corresponding information.
  • the invention is not restricted to certain types of information transmission systems, so that basically 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 advantageously be designed as a mobile radio system in which the mobile terminals are provided in the form of mobile telephones. An action profile of the mobile phones is determined from information from 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 regard to the movement of the mobile phones, for example between different cells (handover between cells) and / or within a cell, the time-dependent and / or local distribution of the cell phones, the number and / or density of the cell phones per cell, the call set-up rate and / or set-down rate and the like.
  • the call frequency for certain call numbers as the information to be recorded, for example the call number “22666” offered in the D2 network, under which traffic information can be queried.
  • the action data generated by the detection sensors can advantageously be compared within the detection sensors 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 thereby be advantageously stored or stored in a suitable storage device.
  • the detection sensors are integrated in corresponding "floating cars", for example, the determined action data can be position data.
  • the "floating cars” measure their position using GPS, for example, compare their movement with stored profiles and report significant deviations to the central unit. There, the mass of the reported position data is further processed in a traffic situation image or in traffic information.
  • Such an embodiment has the advantage that position data are only forwarded to the central unit if there have been deviations from the reference position data. Otherwise no position data are transmitted.
  • all the action data generated by the detection sensors are 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 manufactured more simply and therefore also more cost-effectively. You just need to be able to generate the action data. The actual evaluation and further processing of the campaign data takes place centrally in the central unit.
  • the detection sensors can be controlled locally and / or in a targeted manner on the basis of the action profile of the mobile terminals.
  • the method according to the invention is explained in more detail below with the aid of a concrete example, without the invention being restricted to this example mentioned.
  • the method is to be used to provide reports on the current traffic situation, for example whether traffic jams exist on certain routes or not.
  • messages about the Traffic situation only where and where traffic jams are actually suspected.
  • the conjecture of a traffic jam is obtained by using the information transmission system, which in the example is to be in the form of a mobile radio network.
  • the conjecture of a traffic jam is obtained, for example, by using position information from mobile phones, which are combined to form a position profile.
  • the position information of the mobile telephones can be, for example, information that occurs during normal network operation.
  • the operator of the mobile radio network can easily determine, for example, how many mobile telephones are in each case in a single mobile radio cell.
  • the mobile network operator can also detect the transfer of mobile telephones from one mobile radio cell to another mobile radio cell (handover), so that the latter can make statements about the movement of mobile telephones in an area covered by the mobile radio cells.
  • 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 make more calls than usual because, for example, they want to inform their conversation partner about the expected delay or that they are calling certain numbers, to find out about the current traffic situation.
  • This creates, among other things, a link between the network load in selected areas, for example the amount of activated mobile phones within certain mobile radio cells (the so-called “call profiles”), and the existence of traffic congestion on roads that are in the area of the corresponding mobile radio cells Linking can now be used to control the detection sensors.
  • the determined position profile of the mobile terminal devices can advantageously be compared with reference position profile values for evaluation within the central unit.
  • the reference position profile values can in turn be stored or stored in a suitable storage device.
  • the current position profiles for example corresponding “call profiles” are now compared with the reference position profile values. If there is sufficient agreement with the call profile “with congestion”, the detection sensors in the respective area are then activated.
  • the action information of the mobile end devices is basically only very roughly necessary, 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 terminal devices shows a sufficiently high similarity to the corresponding reference action profile values, there is therefore only suspicion of a traffic jam and the detection sensors are activated or activated in the manner described above.
  • the central unit can advantageously generate control parameters for the detection sensors, 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 can be, for example, "do not send messages", "normal reporting activity”, “increased reporting activity” and the like.
  • the control parameters can preferably be calculated in the central unit.
  • the central unit can have suitable program means, for example computer programs, software and the like.
  • the action profile of the mobile devices can advantageously be determined from location information and / or activity information from the mobile devices. If the mobile devices are mobile telephones within a mobile radio network, this can be, for example, the network load in selected areas, for example in certain mobile radio cells.
  • the action profile can also be formed on the basis of the information described above.
  • the method according to the invention enables communication costs between the detection sensors and the central unit to be incurred only when there is actually something to report. This reduces the previously high communication costs. Detection sensors that are not in the area to be monitored can be controlled in such a way that they either do not report at all or only to a small extent. This also enables the messages to be concentrated on the focal points of interest.
  • a system for generating traffic information with a number of detection sensors that can or can communicate at least temporarily with a central unit, with an information transmission system that has a number of mobile terminals, and at least temporarily with the Central unit communicates or can communicate, and with means for performing the inventive method as described above.
  • FIG. 1 shows a schematic view of an inventive system for generating traffic information.
  • FIG. 1 shows 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" Detection sensors 20 can measure their position via GPS.
  • the position data 26 generated in this way, or movement information derived therefrom, are forwarded to a central unit 21.
  • the individual position data 26 are recorded by the central unit 21 and further processed therein 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 automatically within the central unit 21 - and here within the computer unit 22 - with the aid of suitable program means.
  • a problem with such a system has so far been that the communication costs of all participating detection sensors 20 were relatively high, since the detection sensors 20 either decided themselves when position data 26 were forwarded to the central processing unit 21, or because position data 26 was permanently sent by the detection sensors 20 to the Central unit 21 were forwarded.
  • the system 10 according to the invention is now designed in such a way that messages about the traffic situation, in particular about whether there are traffic jams on certain routes, are only issued wherever a traffic jam is actually suspected.
  • the conjecture of a traffic jam is obtained by using an information transmission system 40, which communicates with the central unit 21 at least temporarily.
  • the information transmission system 40 has a number of mobile terminals 41 which can communicate both with one another and with a central 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 storage devices 23, 44 in which the data required for operation are stored or stored.
  • the two central units 21, 42 are connected to one another in such a way that the central unit 21 at least temporarily with the information transmission system
  • the information transmission system 40 shown in FIG. 1 is a mobile radio network in which the mobile terminals 41 are designed in the form of mobile telephones.
  • Mobile radio networks are designed, for example, in the form of cellular mobile radio networks, the number of mobile telephones 41 located in a mobile radio cell being able to be verified by the mobile radio network operator. This and the cellular phones 41 activated per cellular cell result in a network load per cellular cell, ie in selected areas, which is referred to as a so-called "call profile".
  • the position information of the mobile phones can be used
  • a position profile 45 of the mobile phones 41 can be determined. This creates the possibility of a link between the “call profile” or the position profile 45 and the existence of traffic congestion on roads. This link can be used to control the detection sensors 20 or to report them.
  • reference position profile values can be, for example, certain position profiles of the mobile radio operator “without traffic jam” and “with traffic jam”, which are stored in the memory device 44.
  • the reference position profile values can be of the type "when the position profile of the mobile phones looked like this at location XY, 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 "traffic jam profile" is identified, there is suspicion of a traffic jam.
  • the corresponding position profile 45 is now forwarded to the central unit 21 or its computer unit 22.
  • the corresponding reference position profile values can also be stored in the memory device 23 of the central unit 21 can be stored or stored.
  • control parameters 25 are distributed, for example by cell broadcast, to all detection sensors 20 which are located in the specific area.
  • the control parameters 25 can be, for example, "do not send messages", "normal reporting activity” and "increased reporting activity”.
  • corresponding position data 26 which are recorded by the central unit 21 and further processed therein to corresponding traffic information 30, which can then be made available to the road users.
  • the invention it is possible to generate as few messages as possible, that is to say position data 26, and to report only relevant events. In this way, a good compromise between the amount of the message and the cost of the message can be achieved while the system 10 is in operation.
  • the invention succeeds in obtaining a measure which specifies whether and where messages, that is to say position data 26, are relevant with a high degree of probability.
  • detection sensors 20 that are not in an area of high relevance, that is to say for example not in a traffic jam area, can be muted and do not add to the costs, while those detection sensors 20 are in the desired observation area can be stopped to report more.
  • two of the five detection sensors 20 shown have been muted in this way, which is represented by corresponding connecting lines with the reference number 27.
  • the invention is not limited to a specific number of detection sensors 20 and mobile terminals 41.
  • detection sensors 20 and mobile terminals 41 For clarification According to the invention, only a few detection sensors 20 and mobile terminals 41 are shown in FIG. 1. In order to achieve optimal results, however, the largest possible number of locally distributed detection sensors 20 and mobile terminals 41 is required.
  • action data e.g. position data

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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)

Abstract

La présente invention concerne un procédé pour produire des informations de circulation (30). Selon ce procédé, un certain nombre de détecteurs (20) produisent des données d'action (26), telles que des données de position, et communiquent au moins à certains moments avec une unité centrale (21). Les données d'action individuelles (26) sont détectées par l'unité centrale (21), puis sont transformées dans cette unité centrale en informations de circulation correspondantes (30). Afin de pouvoir minimiser les coûts de communication entre les détecteurs (20) et l'unité centrale (21), cette unité centrale (21) communique au moins à certains moments avec un système de transmission d'informations (40), tel qu'un système de téléphonie mobile, qui présente un certain nombre de terminaux mobiles (41), tels que des téléphones portables, un profil d'action (45), tel qu'un profil de position, des terminaux mobiles (41) est déterminé, notamment à partir d'informations des terminaux mobiles (41), par exemple d'informations de position, et les détecteurs (20) sont commandés de manière ciblée par l'unité centrale (21), sur la base de ce profil d'action (45).
PCT/DE2002/000946 2001-03-22 2002-03-15 Procede pour produire des informations de circulation Ceased WO2002077947A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE50213351T DE50213351D1 (de) 2001-03-22 2002-03-15 Verfahren zum erzeugen von verkehrsinformationen
EP02753694A EP1371046B1 (fr) 2001-03-22 2002-03-15 Procede pour produire des informations de circulation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10114016A DE10114016A1 (de) 2001-03-22 2001-03-22 Verfahren zum Erzeugen von Verkehrsinformationen
DE10114016.9 2001-03-22

Publications (1)

Publication Number Publication Date
WO2002077947A1 true WO2002077947A1 (fr) 2002-10-03

Family

ID=7678549

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2002/000946 Ceased WO2002077947A1 (fr) 2001-03-22 2002-03-15 Procede pour produire des informations de circulation

Country Status (5)

Country Link
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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5559864A (en) * 1993-03-05 1996-09-24 E-Systems, Inc. Cellular based traffic sensor system
EP0763807A1 (fr) * 1995-09-14 1997-03-19 AT&T Corp. Système d'estimation et d'information de données routières
EP0927411A1 (fr) * 1996-09-18 1999-07-07 DeTeMobil Deutsche Telekom MobilNet GmbH Procede pour determiner des donnees de circulation a l'aide d'appareils radiotelephoniques mobiles
WO2001001367A1 (fr) * 1999-06-25 2001-01-04 Artery Solutions Limited Procede de controle de la circulation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5559864A (en) * 1993-03-05 1996-09-24 E-Systems, Inc. Cellular based traffic sensor system
EP0763807A1 (fr) * 1995-09-14 1997-03-19 AT&T Corp. Système d'estimation et d'information de données routières
EP0927411A1 (fr) * 1996-09-18 1999-07-07 DeTeMobil Deutsche Telekom MobilNet GmbH Procede pour determiner des donnees de circulation a l'aide d'appareils radiotelephoniques mobiles
WO2001001367A1 (fr) * 1999-06-25 2001-01-04 Artery Solutions Limited Procede de controle de la circulation

Also Published As

Publication number Publication date
DE50213351D1 (de) 2009-04-23
ES2323857T3 (es) 2009-07-27
EP1371046A1 (fr) 2003-12-17
EP1371046B1 (fr) 2009-03-11
ATE425528T1 (de) 2009-03-15
DE10114016A1 (de) 2002-10-10

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