EP1988528B1 - Procédé et système de détermination de la durée de déplacement de terminaux utilitaires mobiles - Google Patents

Procédé et système de détermination de la durée de déplacement de terminaux utilitaires mobiles Download PDF

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Publication number
EP1988528B1
EP1988528B1 EP08155276.2A EP08155276A EP1988528B1 EP 1988528 B1 EP1988528 B1 EP 1988528B1 EP 08155276 A EP08155276 A EP 08155276A EP 1988528 B1 EP1988528 B1 EP 1988528B1
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European Patent Office
Prior art keywords
point
information
determined
mobile
user end
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EP08155276.2A
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German (de)
English (en)
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EP1988528A2 (fr
EP1988528A3 (fr
Inventor
Christian Birle
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Vodafone GmbH
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Vodafone GmbH
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Publication of EP1988528A2 publication Critical patent/EP1988528A2/fr
Publication of EP1988528A3 publication Critical patent/EP1988528A3/fr
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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
    • G08G1/0137—Measuring and analyzing of parameters relative to traffic conditions for specific applications
    • G08G1/0141—Measuring and analyzing of parameters relative to traffic conditions for specific applications for traffic information dissemination
    • 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
    • G08G1/0108—Measuring and analyzing of parameters relative to traffic conditions based on the source of data
    • G08G1/012—Measuring and analyzing of parameters relative to traffic conditions based on the source of data from other sources than vehicle or roadside beacons, e.g. mobile networks
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/16—Anti-collision systems
    • G08G1/167—Driving aids for lane monitoring, lane changing, e.g. blind spot detection
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/20—Monitoring the location of vehicles belonging to a group, e.g. fleet of vehicles, countable or determined number of vehicles
    • G08G1/205—Indicating the location of the monitored vehicles as destination, e.g. accidents, stolen, rental

Definitions

  • the present invention initially relates to a method for determining the travel time of mobile user terminals according to the preamble of claim 1. Furthermore, the invention relates to a corresponding system.
  • Such methods and systems are used, for example, to determine the travel time of a vehicle between a selected starting point and a spatially separate end point.
  • solutions are known in which the travel time of a vehicle is detected by means of stationary radar sensors.
  • the vehicles pass the sensors, which in turn are mounted on the roads.
  • the sensors measure speed, traffic density, and similar data and, in the event of anomalies, issue a message to a central processing unit. There, the data is collected and processed into a corresponding traffic situation image.
  • the travel time of a vehicle is determined by first dividing the distance between a starting point and a destination point into a plurality of distance segments.
  • the individual route segments are equipped with corresponding sensor elements, via which the vehicle speed is determined. Based on this data, a corresponding travel time is determined for each route segment. From the individual travel times per route segment is then a Travel time determined for the entire route between starting point and destination point.
  • a method and a device for travel time determination of motor vehicles are described.
  • the travel time of the vehicle on a section of a traffic route results from the difference between the exit time and the entry time.
  • the motor vehicles are optically automatically detected automatically by means of a video camera at control points of the route section in the traffic flow determined by the location of the access or the exit.
  • the image information obtained in this way is converted into image data and provided with a time stamp.
  • the travel time of the motor vehicle is determined from this information.
  • detection sensors are, for example, so-called floating cars.
  • Floating Cars are vehicles equipped with suitable equipment.
  • These devices in the form of appropriately trained detection sensors generate position data, for example, by GPS to measure their position.
  • the position data determined in this way are then transmitted to a central unit, for which purpose the detection sensors communicate at least temporarily with the central unit.
  • the individual position data are detected by the central unit and further processed in this to corresponding traffic information.
  • the travel time of mobile user terminals is determined between a first geographical point P1 and a spatially separated second geographical point P2, wherein specific information of mobile user terminals located at the first point P1 and at the second point P2
  • the specific information of the mobile user terminals located at the first point P1 and at the second point P2 are electronically compared in at least one central unit, and if the specific information matches, at least one mobile user terminal at the first point P1 and the second point P2 in the central unit electronically the time difference (T2-T1) between the time stamp (T2) and the time mark (T1) formed and from this the travel time is determined.
  • the known method is carried out with the aid of a mobile radio network, wherein the mobile user terminal devices are advantageously designed as mobile phones. It can be used in the mobile network during normal operation anyway incurred specific information of the mobile phones to determine the travel times, and possibly also traffic information.
  • This solution is particularly suitable for a large number of subscribers with corresponding user terminals, such as mobile phones.
  • the known method can not always accurately differentiate, whereby any delays in the travel time, possibly traffic disruptions are generated, for example, by accidents, or by traffic congestion.
  • the present invention is therefore based on the object, a method of the type mentioned in such a way that a further improved determination of the travel times, and in particular a still further improved generation of traffic information, can be achieved. Furthermore, a correspondingly improved system should be provided.
  • a method for determining the travel time of first mobile user terminals between a first geographical point P1 and a second geographically separate therefrom geographical point P2 whereby specific information of first mobile user terminals located at the first point P1 and at the second point P2 are determined and respectively linked to a time stamp (T1, T2), the specific information being at the first point P1 and at the second point Point P2 of the first mobile user terminal devices in at least one central unit are compared with each other electronically and wherein if the specific information of at least a first mobile user terminal at the first point P1 and at the second point P2 in the central unit electronically the time difference (T2-T1) is formed between the time stamp (T2) and the time stamp (T1) and from this the travel time (s) of the first mobile user terminal (s) between point P1 and point P2 is / are determined.
  • T1, T2 time stamp
  • the method is characterized in that at least components of eCall information comprising at least position data of at least one second mobile user terminal sent by the second user terminal are made available to the central unit, and that the components of the eCall information of the second user terminal of the determined travel time of the at least one first mobile user terminal between the first point P1 (A) and the second point P2 (E) are assigned.
  • a basic idea of the present invention consists first of all in that information about travel times can be obtained without the first user terminals having to be permanently and accurately located. If the travel time of at least one first mobile user terminal is to be determined between a first geographical point P1 and a spatially separated second geographical point P2, in a first step specific information is first determined by first mobile user terminals located at the first point P1 and each associated with a corresponding timestamp TA.
  • the invention is not limited to specific information of the first mobile user terminals. It is only important that the first mobile user terminal equipment can be properly recognized and characterized on the basis of the determined specific information. This information is linked to a corresponding timestamp. In this way, it may be determined that the first user terminal has been located at the first point P1 at a certain time corresponding to the timing mark TA.
  • specific information is determined by first user terminals located at the second point P2 and linked in each case to a time stamp TE. In this way, it can be determined that the first mobile user terminals have been located at the second point P2 at a certain time corresponding to the time stamp TE.
  • the specific information of the first mobile user terminal located at the first point P1 and at the second point P2 determined in this manner is compared electronically with each other in the at least one central unit. In this way, it is checked whether the respective specific information, and thus ultimately the associated user terminal equipment, match.
  • the specific information of a first mobile user terminal coincides at the first point P1 and the second point P2, this means that one and the same first user terminal has been located both at the first point P1 and at the second point P2. If such a match is found, the time difference TE - TA between the time stamp TE of the first mobile user terminal at the second point P2 and the time stamp TA of the mobile user terminal at the first point P1 is formed electronically in the central unit. From the resulting time difference, the travel time of the first mobile user terminal is then determined between the first point P1 and the spatially separated second point P2. How this can be done in detail is explained in more detail by way of non-exclusive examples in the further course of the description.
  • the present invention is not limited to any particular number of first mobile user terminals.
  • the method can also be used advantageously if a larger number of first user terminals is available. It is particularly advantageous if the largest possible number of first user terminals are available. In this way, a particularly simple yet accurate geographic assignment of first user terminals is possible, as will be explained in more detail later in the description.
  • first user terminals any type of first mobile user terminal can be used for which specific information can be generated. This specific information must be able to individualize the respective first user terminal. Furthermore, the generated specific information should also be advantageous for further processing be suitable. Some non-exclusive examples of suitable user terminals will be described later in the description.
  • the method according to the invention it is primarily possible to determine the current travel times of first user terminals. In this case, it is not absolutely necessary to compare the determined travel times with corresponding reference data in order to generate corresponding information, for example traffic information or the like. Nevertheless, the method according to the invention can also be used for such purposes.
  • the specific information of the first mobile user terminal devices can be determined electronically.
  • the linking of the specific information with corresponding time stamps can be done electronically.
  • the evaluation of the information and the determination of the time difference between the individual time stamps and thus the formation of the travel time can advantageously be done automatically in the central unit.
  • the implementation of the method can advantageously be carried out with the aid of suitable program means or software, or at least be supported.
  • At least components of eCall information which at least comprise position data are at least a second mobile user terminal, which are sent by the second user terminal, the central unit are provided, and that the components of the eCall information of the second user terminal of the determined travel time of the at least one first mobile user terminal between the first point P1 and the second point P2 are assigned.
  • the eCall system is an on-board emergency call system in vehicles that uses a specific emergency number, such as the "112", in the event of an accident.
  • the emergency call system is activated and sends emergency information that is linked to the position data of the emergency call system or of the vehicle.
  • the position data can be determined, for example, satellite-based.
  • the "eCall" system itself is already known. For example, in the DE 10 2005 007 466 A1 a communication system is described in which a vehicle provided in a communication device is designed so that in the event of an accident help can be requested. This may require manual or automatic depending on the configuration.
  • inventive method can be advantageously carried out in connection with a mobile radio system.
  • the triggering of an emergency call (e112, in future eCall) are used to use their positioning in addition to the emergency situation.
  • RDS-TMC radio broadcast, mobile radio.
  • the information serves as an indicator for other information that suggests a fault.
  • the information including position is basically in the mobile network, such as the GSM network, available. In the course of the introduction of ecall, positioning takes place via GPS or Galileo and, in addition to the high-precision position, contains the information about the direction of travel.
  • the method according to the invention makes it possible to achieve a good description of the travel time of mobile terminals, for example a good description of the traffic situation.
  • Traffic jams are often caused by traffic accidents, but these are only indirectly recognizable in the consideration and evaluation of the specific information of the mobile user terminal equipment (handover etc.) from the mobile radio network - namely due to speed drops.
  • the method according to the invention is characterized in that in part only a limited number of data (sometimes only every two minutes) are available. If these are subject to greater noise, it is sometimes very difficult to reliably make a statement about a state change on the basis of individual or less data. Surprisingly, it has been found that the integration of eCall information into the process can be taken as a reliable indicator.
  • the system ecall guarantees the correctness of the event by the type of triggering with high reliability.
  • the secure information about a potentially congestion triggering event is available. If recognizable speed changes occur in direct time sequence, it can be assumed that they are an effect of the cause accident / eCall. This improves the reliability of the process. For example, the data can still be tapped and utilized directly in the mobile network prior to forwarding to the eCall service provider in order to ensure a minimum of time delay.
  • the present invention is not limited to particular embodiments for the second mobile user terminal.
  • the emergency system initially has a device for determining position.
  • a communication module by means of which a communication - for example within a Mobile network - can be performed.
  • at least one corresponding sensor element can be provided. If there is an accident, the sensor element is triggered and established a communication link. Via this communication connection eCall information is then transmitted, which at least include the position.
  • other information can be transmitted, for example, in terms of direction, the nature of the emergency, accident severity and the like.
  • components of the eCall information are provided to the central unit. These are assigned to the determined travel times of the first mobile user terminal devices, so that the disturbance variable "emergency" can be included in the determination of the travel times.
  • the components of the eCall information in the central unit are checked for a geographical reference to the determined travel time of the first mobile user terminal (s) between point P1 and point P2 and that upon detection or determination of a geographic reference the Components of the eCall information of the second user terminal of the determined travel time of the at least one first mobile user terminal between the first point P1 and the second point P2 are assigned.
  • the components of the eCall information can be filtered out of these electronically and then made available to the central unit.
  • the eCall information sent by the at least one second user terminal is transmitted to the central unit, that the components of the eCall information in the central unit are filtered out and that the eCall information is then transmitted in its entirety from the central unit to an eCall receiving station.
  • the position data of the second mobile user terminal can be determined by means of a satellite-based position detection system.
  • This may be, for example, the already known GPS method, the future available Galileo system or the like.
  • other methods for determining the position are conceivable, such as already used in mobile networks EOTD method, or the like.
  • the method can be carried out using an information system, in particular a communication system, wherein the travel time is determined from specific data of the first mobile user terminals of the information transmission system.
  • the information transmission system is advantageously an independent system.
  • the invention is not limited to certain types of information transmission systems.
  • the information transmission system must be designed such that specific information of the first user terminal devices can be determined.
  • Suitable information transmission systems are, for example, systems for transmitting signals, such as systems for transmitting data, radio signals and the like.
  • the user terminal devices may be, for example, mobile computers, personal digital assistant (PDAs) and the like.
  • the method can be carried out using a mobile radio system, in particular a cellular mobile radio system, wherein the first mobile user terminals are designed as mobile phones and wherein the travel time is determined from specific data of the mobile phones.
  • a mobile radio system the specific information of the user terminal devices designed as a mobile telephone can be formed, for example, from information relating to the mobile telephones, for example in relation to the movement of the mobile telephones, for example 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 specific information of the mobile user terminals located at the first point P1 and at the second point P2 can be transmitted to the central unit or generated electronically in the central unit. If the specific information is generated within the user terminals, they preferably have their own central unit, in which the information of the individual user terminals are collected and subsequently assembled to the corresponding specific information. In such a case, the already completed specific information is transmitted to the central unit, which at least temporarily communicates with the mobile user terminals.
  • the individual information of the mobile user terminals is first transmitted to the central unit. There, the corresponding specific information is then generated for each mobile user terminal.
  • the first point P1 and / or the second point P2 can be determined in the form of a geographical size. This may, for example, to act a special, spatially defined place. These may be, for example, certain cities, certain roads, certain geographical landmarks such as bridges, special structures and the like. Of course, the first points P1 and / or the second points P2 can also be determined in other ways.
  • the first point P1 may be formed as a cell of the mobile radio system.
  • the second point P2 is advantageously designed as a further cell of the mobile radio system spatially separated from this cell.
  • the first point P1 is formed as a first boundary of a specific cell of the mobile radio system, while the second point P2 is formed as a second boundary of the same cell.
  • the invention is not limited to specific embodiments for the first points P1 and / or the second points P2, so that the above-mentioned examples have no exclusive character.
  • an action profile for the at least one first mobile user terminal at the first point P1 and / or for the at least one first mobile user terminal at the second point P2 can be determined for this specific information, each action profile having a time stamp TA , TE is linked.
  • the action profile of the mobile first user terminal can be determined from location information and / or activity information of the user terminal. If the mobile user 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.
  • position data of the first mobile user terminal devices are generated, which are subsequently combined to form a position profile. It is also conceivable to generate information relating to the movement of 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 method is operated in the context of a mobile radio system, in particular a cellular mobile radio system, it is basically possible to use as specific information of the first user terminals designed as mobile telephones in this case all information that arises within the framework of the basic functioning of the mobile radio system , In addition to the information mentioned above, this also includes real-time registration and cell activity data from active mobile terminals. These are usually received by corresponding base stations, which in turn are assigned to individual cells of the mobile radio system. About the respective base stations, the received data are forwarded to a central processing unit, where they are further processed. In particular, the base stations receive data from such mobile phones that are currently in each cell. It is not absolutely necessary that just a telephone call should be made using the mobile phones to collect specific information.
  • the mobile phone is in an active state, that is, when it is turned on.
  • the mobile phone periodically transmits so-called registration signals, which are then detected by nearby base stations and forwarded to the central processing unit.
  • registration signals This is a basic operation of a cellular mobile radio system.
  • Such registration data are also particularly suitable as specific information of the user terminal equipment.
  • an action profile as described above can be determined in the associated first mobile user terminal or in the central unit. If the action profiles are determined in the central unit, the individual user terminal devices can be made simpler and thus more cost-effective. They only need to be able to generate and pass on specific information to the central processing unit. The actual evaluation and further processing of the specific information about the action profiles then takes place centrally in the central unit.
  • the central unit can have at least one computer unit with one or more electronic computers.
  • the travel time can be determined electronically in the at least one computer unit.
  • these can preferably be interconnected to a computer network or be.
  • the specific information or action profiles associated with a time stamp of each first mobile user terminal and / or the travel times determined therefrom can be stored at least temporarily in the form of comparison data in a comparison file.
  • This comparison file can for example be stored at least temporarily in a memory device.
  • the storage device can be at least temporarily assigned to the central unit.
  • the storage device may be a component of the central unit.
  • the memory device is spatially separated from the central unit and that the central unit at least temporarily accesses this memory device.
  • comparison data in the central unit for example, still undergo a weighting step.
  • a geographical and / or user-specific assignment is generated in the central unit on the basis of the comparison data.
  • This may be, for example, a kind of histogram in which the number of the first mobile user terminal is plotted over the travel time.
  • the specific information or action profiles associated with a time stamp of each first mobile user terminal and / or the travel times determined therefrom and / or the comparison data generated therefrom can be compared within the central unit with corresponding reference values.
  • the reference values can advantageously be stored in a suitable memory device, or stored or be.
  • the travel time is determined continuously. Furthermore, it can be provided that the travel time is also continuously updated.
  • the distance between the first point P1 and the second point P2 may be subdivided into two or more distance segments each having a first point P1 'and a second point P2', the travel time being determined within each distance segment, the individual travel times being Distance segments are summed up in the central unit and wherein the total travel time is determined from the sum of the individual travel times.
  • the travel time of at least a first mobile user terminal between determine a starting point and a destination point is initially provided that the route between the starting point (the first point P1) and the destination point (the second point P2) is subdivided into a number of route segments.
  • Each route segment again has a starting point (the point P1 ') and an end point (the point P2'), wherein advantageously the end point of a route segment represents the starting point of a subsequent route segment.
  • the travel times of the first mobile user terminal devices are determined in the manner described above, so that in this respect reference is made in full to the above statements and reference is hereby made.
  • the respective travel times of the individual route segments are added up in the central unit, the total travel time being determined from the sum of the individual travel times.
  • the individual travel times of the route segments are determined continuously and that the total travel time is continuously updated on the basis of the travel times within the route segments. In this way it becomes possible to always provide a current travel time between a starting point and a destination point. If the travel time of mobile terminals changes within a section of the route, this time change flows immediately into the total travel time, so that this changes accordingly.
  • traffic information can be generated in the central unit on the basis of the determined travel time (s) and / or the determined total travel time (s) and / or the travel time (s) or total travel time (s) added to the components of the eCall information.
  • the method is carried out using a mobile radio system, it is in particular possible to realize a traffic data acquisition without map matching alone from data of the mobile radio network.
  • the invention is not limited to certain types of traffic information limited.
  • traffic information can be generated not only on the currently expected travel time, on current traffic situations and thus on the status quo.
  • traffic information is generated, which allow predictions about future expected traffic situations.
  • the disturbance variables are determined by means of the eCall information and are now included in the determination or calculation of the travel times.
  • each mobile user terminal linked to a time stamp TA, TE and / or the determined travel times and / or the comparison data generated therefrom and / or the determined overall travel times and / or the generated traffic information from the Central unit to selected or all mobile (n) user terminal equipment to be transmitted.
  • TA time stamp
  • TE time stamp
  • TE time stamp
  • TE time stamp
  • TE time stamp
  • TE time stamp
  • TE time stamp
  • comparison data generated therefrom and / or the determined overall travel times and / or the generated traffic information from the Central unit to selected or all mobile (n) user terminal equipment to be transmitted.
  • the inventive method as described above has, in addition to the advantages already mentioned, a number of other advantages.
  • the methods when used to generate traffic data, it is possible to make vehicle travel times available even without the presence of congestion. This is important, for example, for statistical purposes or to distinguish dense, tough or stop-and-go traffic.
  • the geographical assignment of the mobile user terminals can take place indirectly, as is explained in principle below on the basis of a non-exclusive example, without the invention being restricted to this example given.
  • travel times of mobile user terminals are to be determined using a mobile radio network, wherein the individual user terminals are designed as mobile phones.
  • first a distance segment is defined which is delimited by a starting point A (first point P1) and by an end point E (second point P2).
  • the starting point A and the end point E may, for example, each be a cell of the mobile radio system, the individual cells being spatially separated from one another, and further cells being able to lie between the individual cells.
  • the time difference is determined from the corresponding time stamps, which represents a measure of the period that the mobile phone has needed to arrive from the starting point at the end point.
  • a mobile phone can move in many different ways from the starting point to the end point. So it is conceivable, for example, that the active mobile phone on a highway, a Main street, a side street, with interruption, without interruption, by train, by bicycle, on foot or the like from the starting point to the end point.
  • the individual time information is therefore stored in a comparison file designed as a histogram, the number of active mobile phones being plotted over the travel time in this histogram. In this way, all those mobile phones that are at the starting point, but do not move in the direction of the end point, are excluded from the rating. Furthermore, it can be assumed that in the maximum of the histogram are those mobile subscribers who are in the example on the highway. In this way, it becomes possible, for example, to assign a certain travel time to a motorway section located between a starting point and an end point.
  • corresponding timetable data of trains may be provided as comparison data, so that the determined travel times can be checked continuously with such timetable data. In this way, an incorrect assignment of travel times is effectively prevented.
  • the maximum of the active mobile radio subscribers takes correspondingly longer in order to get from the starting point A to the end point E, that is to say from the initial cell into the end cell. This shifts the maximum to a higher duration.
  • the travel time can be determined continuously in this way, so that a current travel time is always known for the corresponding route section.
  • a system for determining the travel time of first mobile user terminals between a first geographical point P1 and a spatially separate second geographical point P2, the system being characterized by means for performing the method of the invention as described above is.
  • These means may, for example, be components of at least one electronic computer, electronic components, Components, circuits, circuit parts to appropriate program means, or software, and the like act.
  • FIG. 1 initially a section of a cellular mobile radio system 10 is shown, wherein the mobile radio system 10 is composed of a number of mobile radio cells 11, 12, 13. Each of these cells 11, 12, 13 covers a certain geographical area.
  • the individual cells 11, 12, 13 communicate with corresponding base stations (not shown), which in turn communicate with at least one central unit (also not shown).
  • FIG. 1 an area of the mobile radio system 10 is shown which is located in the area around Düsseldorf. How out FIG. 1 As can be seen, the illustrated area of the mobile radio system 10 is intersected by two highways, namely on the one hand the A5 motorway and on the other hand the A8 motorway.
  • each track segment S from a starting point A (a first point P1) and an end point E (a second point P2) is limited.
  • the end point E of a route segment S advantageously also forms the starting point A of a subsequent route segment.
  • FIG. 1 For the sake of clarity, only a single route segment S is shown. However, it goes without saying that the following description also applies analogously to routes with several route segments. In this case, the travel times for each route segment are determined and then added to the total travel time.
  • the starting point A is formed by a specific cell 12 of the mobile radio system 10.
  • the end point E of the route segment S is formed by a further cell 13 of the mobile radio system 10, wherein the cells 12 and 13 are spatially separated from each other.
  • the cells 12, 13 are arranged directly adjacent to one another. It is also conceivable, as shown in the present example, that there are further cells 11 of the mobile radio system between the individual cells 12, 13.
  • the individual specific information of all active mobile phones are compared electronically.
  • specific information of a mobile phone originally located in the originating cell 12 is also detected in the final destination 13 at a later time, it means first that the mobile has somehow moved from the cell 12 to the cell 13 , Since all active mobile telephones are provided with a corresponding time mark at all times, this also means that there is both a time stamp TE in the end cell 13 and a time stamp TA in the output cell 12 for the named mobile telephone. If the specific information matches, the time difference TE - TA between the time mark TE and the time mark TA is now formed electronically in the central unit. This time difference then forms the travel time of the mobile phone from the output cell 12 to the end cell 13.
  • the specific information to be taken into account for the determination of the travel time can be a very wide variety of information that is generated and utilized in any case in connection with the operation of the mobile phones or the mobile radio system 10.
  • FIGS. 2 and 3 each represent histograms in which a number of active mobile phones [N] are generally plotted over time in seconds.
  • curves 20 are respectively plotted in which the travel times of active mobile phones between the output cell 12 (the starting point A) and the end cell 13 (the end point E) are plotted.
  • Such mobile phones which are detected in the output cell 12 but never reach the end cell 13, are shown in the curves in FIGS FIGS. 2 and 3 consequently not recorded.
  • FIGS. 2 and 3 are detected such mobile phones that have actually moved from the output cell 12 to the end cell 13 and have reached them at a certain time.
  • histograms are stored in the form of comparative data in the central unit and can be edited or processed in this.
  • the highway represents the fastest connection between the output cell 12 and the end cell 13
  • a maximum of active mobile phones all of which require the same travel time between the starting cell 12 and the end cell 13, can thus be linked to a section of the highway between the starting cell 12 and the end cell 13.
  • the travel time between the output cell 12 and the end cell 13 which is required by the maximum of the active mobile phones, represents the travel time on the distance segment S designed as a motorway section. Occasional other travel times can be caused by extremely slow vehicles, by traffic on another way or the like.
  • Curve 20 shown is a link between the active mobile subscribers and the travel time they needed to travel from the starting point A to the end point E.
  • the curve maxima are in each case those mobile radio subscribers who use the motorway.
  • this has a total of two maxima 21 and 22. This means that active cell phones located in vehicles of different speed categories move on the highway segment S between the output cell 12 and the end cell 13. To think here is for example the truck and car traffic.
  • the two maxima 21 and 22 of curve 20 are at different travel times.
  • the shorter travel times are, for example, attributable to car traffic, while the longer travel times are assigned, for example, to truck traffic.
  • the maximum 22 is about 510 seconds, while the maximum 21 is about 360 seconds. In the present example, this could mean that trucks need a travel time of 510 seconds and cars need a travel time of 360 seconds to get from the starting cell 12 to the end cell 13.
  • FIG. 3 a second histogram of the same segment S at another time shown.
  • a single maximum 23 prevails, which is approximately 650 seconds.
  • both the otherwise faster vehicles (cars) and the otherwise slower vehicles (trucks) need an identical travel time. It can be concluded that on the segment S between the starting point A and the end point E a higher traffic volume than in the case of FIG. 2 prevails, so that over the central unit for the route segment S a significantly increased travel time is determined.
  • the so-called eCall information is integrated with the method according to the invention.
  • a vehicle equipped with a corresponding eCall emergency call system moves between cells 12 and 13 on the highway in the segment S, and an accident occurs there, the eCall information containing at least accurate position data becomes transferred to an eCall service.
  • at least individual components of the eCall information, in particular the position data are used by the central unit to determine the travel time.
  • the integration of ecall information into the process can be taken as a reliable indicator of the existence of an accident. As such, the eCall system guarantees the correctness of the event by the type of triggering with high reliability.
  • the information provided about the position and direction as well as, if appropriate, the severity of the accident make an exact assignment to a specific route section, here the route section S, possible.
  • the secure information about a potentially congestion-triggering event is present on the route section S. If recognizable speed changes occur in a direct temporal sequence, as for example in the transition from the FIG. 2 to FIG. 3 can be considered to be an effect of the cause accident / eCall. This further improves the reliability of the process.
  • the required components of the eCall information should advantageously be picked up directly from the mobile network before being forwarded to the eCall service provider and used to ensure a minimum of time delay.
  • the respectively determined travel times per route segment S are advantageously determined and updated continuously. Thus, at any given time, the currently current travel time on the route segment S is known.
  • the method according to the invention can first be used to determine only the expected travel times on individual route segments S or on the entire routes formed from a plurality of route segments without at the same time providing information about currently prevailing traffic situations. Since the travel time within each link segment S may change dynamically over time, a user of the system may at any time learn how long it will take to get from a starting point to a destination point.
  • the determined travel times can also be stored so that they can be used as reference values at a later time.
  • reference values can also be used to make forecasts for the future.
  • the method can be particularly simple and inexpensive used to determine the travel time be because accurate positioning of the individual mobile phones is not required.
  • the number of each active mobile phones in the monitored route segment S does not matter. In the example according to FIG. 2 for example, significantly more active mobile phones are registered than in the example according to FIG. 3 the case is. However, since only the relative comparison between the individual travel times is taken into account, is This comparison is possible with both a large and a smaller number of active mobile phones.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Traffic Control Systems (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Claims (10)

  1. Procédé servant à déterminer le temps de déplacement de premiers terminaux mobiles utilisateurs entre un premier point P1 géographique (A) et un deuxième point géographique P2 (E) séparé spatialement de ce dernier, sachant que des informations spécifiques sont déterminées par des terminaux mobiles utilisateurs se trouvant au niveau du premier point P1 (A) ainsi qu'au niveau du deuxième point P2 (E) et sont liées respectivement à un repère temporel (T ; T2), sachant que les informations spécifiques des premiers terminaux mobiles utilisateurs se trouvant au niveau du premier point P1 (A) et au niveau du deuxième point P2 (E) sont comparées les unes aux autres de manière électronique dans au moins une unité centrale et sachant qu'en cas de concordance des informations spécifiques des premiers terminaux mobiles utilisateurs au niveau du premier point P1 (A) et au niveau du deuxième point P2 (E) la différence de temps (T2-T1) entre les repères temporels (T2) et les repères temporels (T1) est obtenue de manière électronique dans l'unité centrale, sur la base de laquelle les temps de déplacement des premiers terminaux mobiles utilisateurs entre le point P1 (A) et le point P2 (E) sont déterminés, caractérisé en ce qu'au moins des composants d'informations de eCall, qui comprennent au moins des données de position au moins d'un deuxième terminal mobile utilisateur, lesquels sont envoyés par le deuxième terminal utilisateur, sont fournis à l'unité centrale, et en ce que les composants des informations eCall du deuxième terminal utilisateur sont associés au temps de déplacement déterminé du premier terminal mobile utilisateur au moins au nombre de un entre le premier point P1 (A) et le deuxième point P2 (E).
  2. Procédé selon la revendication 1, caractérisé en ce que la référence géographique des composants des informations eCall dans l'unité centrale est vérifiée par rapport au temps de déplacement déterminé des premiers terminaux mobiles utilisateurs entre le point P1 (A) et le point P2 (E), et en ce que lors de la détection d'une référence géographique, les composants des informations eCall du deuxième terminal utilisateur sont associés au temps de déplacement déterminé des premiers terminaux mobiles utilisateurs entre le premier point P1 (A) et le deuxième point P2 (E).
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que les composants des informations eCall sont filtrés de ces dernières de manière électronique puis sont fournis immédiatement après à l'unité centrale.
  4. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce que les informations eCall isolées du deuxième terminal utilisateur au moins au nombre de un sont transmises à l'unité centrale, en ce que les composants des informations eCall sont filtrés dans l'unité centrale, et en ce que les informations eCall sont transmises immédiatement après dans leur totalité par l'unité centrale à un emplacement de réception eCall.
  5. Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce que les données de position du deuxième terminal utilisateur sont déterminées au moyen d'un procédé de détection de position assisté par satellite.
  6. Procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce que ledit procédé est exécuté en utilisant un système de radiocommunication mobile (10), en particulier un système de radiocommunication mobile cellulaire, sachant que les premiers terminaux utilisateurs sont réalisés sous la forme de téléphones mobiles et sachant que le temps de déplacement est déterminé à partir d'informations spécifiques des téléphones mobiles.
  7. Procédé selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le parcours entre le premier point P1 (A) et le deuxième point P2 (E) se divise en deux segments de parcours (S) ou plus présentant respectivement un premier point P1' (A) et un deuxième point P2' (E) en ce que le temps de déplacement à l'intérieur de chaque segment de parcours (S) est déterminé, en ce que les divers temps de déplacement des segments de parcours (S) sont cumulés dans l'unité centrale, et en ce que le temps de déplacement total est déterminé à partir de la somme des divers temps de déplacement.
  8. Procédé selon l'une quelconque des revendications 1 à 7, caractérisé en ce que des informations de trafic sont produites dans l'unité centrale sur la base des temps de déplacement déterminés et/ou des temps de déplacement totaux déterminés et/ou des temps de déplacement complétés des composants des informations eCall ou des temps de déplacement totaux.
  9. Procédé selon l'une quelconque des revendications 1 à 8, caractérisé en ce que les temps de déplacement déterminés et/ou les temps de déplacement totaux déterminés et/ou les informations de trafic déterminées sont transmises sur des premiers terminaux mobiles utilisateurs sélectionnés ou sur tous les premiers terminaux mobiles utilisateurs.
  10. Système servant à déterminer le temps de déplacement de premiers terminaux mobiles utilisateurs entre un premier point géographique P1 (A) et un deuxième point géographique P2 (E) séparé spatialement de ce dernier, caractérisé par des moyens servant à mettre en oeuvre le procédé selon l'une quelconque des revendications 1 à 9.
EP08155276.2A 2007-05-02 2008-04-28 Procédé et système de détermination de la durée de déplacement de terminaux utilitaires mobiles Active EP1988528B1 (fr)

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DE102007020602A DE102007020602A1 (de) 2007-05-02 2007-05-02 Verfahren und System zum Ermitteln der Fortbewegungszeit mobiler Nutzer-Endeinrichtungen

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EP1988528A2 EP1988528A2 (fr) 2008-11-05
EP1988528A3 EP1988528A3 (fr) 2012-09-05
EP1988528B1 true EP1988528B1 (fr) 2016-08-03

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DE102007020602A1 (de) 2008-11-06
EP1988528A3 (fr) 2012-09-05

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