DE102011106295A1 - Method for bi-directional transferring of data between motor vehicle and service provider, involves supplying information data based on motor vehicle by data infrastructure cloud - Google Patents

Abstract

The method involves supplying information data (7) based on a motor vehicle (3) by data infrastructure cloud (9). The traffic data (11) is supplied to a service provider (5) by a backend server device (13), which is operated by a safety operator (15). Independent claims are also included for the following: a backend server device for processing data between transferable motor vehicles and a service provided; and a traffic information system.

Description

The invention relates to a method for the bidirectional transmission of data between motor vehicles and a service provider according to the preamble of claim 1, a method according to the invention backend server device and a traffic information system according to the method.

Bidirectional transmission of data between automobiles and a service provider is known. By way of example, the service provider may be a provider of information data, for example traffic jam messages, weather reports and / or the like. The service provider makes his information data available for reception by motor vehicles. Furthermore, it is known that information data originating from the motor vehicles and describing a traffic condition flow back to the service provider. The latter can use the information data to change and / or supplement his information data. The DE 195 13 640 A1 relates to a method for reducing a data volume of vehicle data to be transmitted from vehicles of a vehicle fleet, in particular a sample vehicle fleet, which contain information about the operating state and / or the environment of the vehicle, and position data which includes information about the position of the vehicles in a predetermined coordinate system Contain a certain time, after detection of the resulting vehicle and position data in the vehicle for the wireless transmission of vehicle and position data to a parent traffic computer. It is envisaged that the vehicles of the vehicle fleet will be given which of the resulting vehicle and position data are to be transmitted to the higher traffic computer under which conditions and that the specifications can be influenced wirelessly by a predefined device fixedly arranged outside the vehicles.

The object of the invention is to provide a secure provision of descriptive of a traffic condition and originating from motor vehicles information data and their secure transmission to a service provider.

The object is achieved in a method according to the preamble of claim 1 by exclusively providing the information data to the service provider via a run by a security operator backend server device. Advantageously, corresponding users of the motor vehicles can assume that any highly personal data does not fall into the wrong hands, since they are passed on exclusively via the back-end server device of the security operator to the corresponding service provider. Advantageously, corresponding data paths are known and only in the hands of the security operator who enjoys the trust of the respective users of the motor vehicles. Advantageously, an identification of the respective user of the motor vehicle may indeed be made by the security operator, wherein advantageously the further transmission to the service provider may optionally be anonymous. Thus, the privacy rights of the users of motor vehicles are advantageously secured.

In one embodiment of the method, an exclusive transmission of the information data from the motor vehicles to the back-end server device is provided. The transmission can take place via the data infrastructure cloud. A data infrastructure cloud can be any infrastructure suitable for transmitting, processing and / or storing data, for example an Internet, a mobile radio network, a GSM mobile radio network, a UMTS mobile radio network, a vehicle-to-vehicle communication infrastructure, a vehicle -to-infrastructure communication, vehicle-to-traffic sign communication and / or the like. It can be advantageously ensured that the information data from the motor vehicles is transmitted only to the back-end server device. Further transmission, which could possibly involve misuse of the information data, is advantageously excluded.

In a further embodiment of the method, an exclusive transmission of the information data from the back-end server device to the service provider is provided via a business partner-to-business partner interface. Advantageously, the back-end server device and the service provider can have a common business partner-to-business partner interface, whereby the communication is handled only via this business partner-to-business partner interface. Any other data paths are advantageously excluded.

In a further embodiment of the method, it is provided that the business partner-to-business partner interface is secured. Under secured can be understood in particular that third parties do not get access to the traffic. This can be done, for example, by securing a corresponding data link, for example in the form of a leased line. Alternatively and / or additionally, however, it can also be understood as meaning that corresponding data to be transmitted are transmitted encrypted, for example via an Internet Protocol (IP). Due to the IP transmission, it is in principle possible to read the traffic within the data infrastructure cloud, however do not open up any information due to the encryption.

In a further embodiment of the method, anonymization of the information data by means of the back-end server device is provided prior to the transmission of the information data to the service provider. In particular, in addition to the secure business partner-to-business partner interface, a step of anonymizing the information data can advantageously take place prior to the transfer. This advantageously ensures that only the security operator of the back-end server device experiences the sensitive personal data of the motor vehicles or their users which may be adhering to the information data. This may be, for example, an identification of the respective user of the motor vehicles, for example an IP address. Advantageously, such data components can be deleted from the information data in the step of anonymizing, before they are transmitted to the service provider. Thus, there is no possibility of data misuse for the service provider.

In a further embodiment of the method, the information data is collected by the back-end server device prior to the transmission of the information data to the service provider. Advantageously, the information data can first be collected so that a conclusion on individual users of motor vehicles becomes more difficult on account of the amount of collected data. Together with the step of anonymizing, a particularly high level of security can be generated.

In another embodiment of the method, selecting a partial data set from the information data by means of the back-end server device and transmitting the partial data set to the service provider are provided. The selection of the partial dataset can be made with regard to different criteria, such as, for example, road types, certain types of motor vehicles, in particular randomly selected and / or the like. The selection of roads may be, for example, a restriction on highways, so that an actual driven destination of one of the motor vehicles can not be announced due to the selection. Advantageously, an even higher level of security can be achieved due to the selection of the partial data quantity.

The object is also achieved in a back-end server device according to the preamble of claim 8, characterized in that the information data to the service provider exclusively over a run by a security operator back-end server device are provided. The back-end server device is in particular set up, designed, constructed and / or equipped with software for carrying out a previously described method. This results in the advantages described above.

The object is also achieved in a traffic information system by a previously described back-end server device. In particular, the traffic information system is set up, designed, constructed and / or equipped with software for carrying out a previously described method. This results in the advantages described above.

Further advantages, features and details will become apparent from the following description in which - where appropriate, with reference to the drawings - at least one embodiment is described in detail. Described and / or illustrated features form the subject of the invention, or independently of the claims, either alone or in any meaningful combination, and in particular may additionally be the subject of one or more separate invention (s). The same, similar and / or functionally identical parts are provided with the same reference numerals.

The only 1 shows a schematic view of a traffic information system for bidirectional transmission of data between motor vehicles and a service provider.

1 shows a traffic information system 1 by means of data between motor vehicles 3 and a service provider 5 bidirectionally transferable. At the motor vehicles 3 it may be individual motor vehicles or those of a motor vehicle fleet. In 1 are at the traffic information system 1 involved and non-participating motor vehicles 3 shown. The at the traffic information system 1 participating motor vehicles 3 receive informational data 7 from the service provider 5 , what in 1 symbolized by dotted arrows. This is done in particular via a data infrastructure cloud 9 For example, an Internet and / or a mobile network. In doing so, the service provider 5 directly to the data infrastructure cloud 9 be connected. In addition, the participating motor vehicles 3 also to the data infrastructure cloud 9 be connected, for example, have a corresponding Internet access and / or a mobile device. Information data can be understood as all data representing a traffic condition of a traffic of a plurality of motor vehicles 3 be understood on one of these busy road. These may be, for example, traffic jams and / or or a road condition and / or weather in the area of the road.

Because the multitude of motor vehicles 3 Participate directly in the traffic, these can generate the traffic condition more descriptive traffic data and the service provider 5 provide via a return channel. The return channel over which the traffic data 11 to the service provider 5 is to be returned, is in 1 symbolized by dashed lines. By means of the traffic data 11 can the service provider 5 advantageous his information data 7 change, in particular supplement and / or specify and / or improve. As in 1 recognizing is not every one of the motor vehicles 3 attached to the traffic information system 1 participates, to the return channel for returning the traffic data 11 connected. Advantageously, a selection, for example a proportion of <10%, in particular <8%, in particular <5%, in particular <3%, in particular approximately 2%, is sufficient.

The traffic information system 1 advantageously has a backend server device 13 on top of that by a security operator 15 is operated. At the security operator 15 For example, it may be a manufacturer of the traffic information system 1 participating motor vehicles 3 act. Alternatively and / or additionally, however, it may also be an independent security operator 15 act. The security operator 15 makes advantageous with its backend server device 13 the return channel for returning the traffic data 11 from the motor vehicles 3 to the service provider 5 to disposal. For this purpose, the security operator maintains a business partner-to-business partner interface 17 between the backend server device 13 and the service provider 5 , The business partner-to-business partner interface 17 can be secured and / or encrypted, for example, be designed as a leased line.

Alternatively and / or additionally, the business partner-to-business partner interface 17 also via the data infrastructure cloud 9 be handled, for example via an encrypted Internet Protocol. Advantageously, by means of the back-end server device 13 be sure that eventually, the traffic data 11 the motor vehicles 3 adhering highly personal information, for example, a corresponding user identifier of a user of the motor vehicle 3 and / or a unique identification of the sending motor vehicle 3 exclusively to the backend server device 13 be transmitted.

Advantageously, the security operator 15 by the backend server device 13 an anonymization of traffic data 11 make. This can be done in particular by means of a security module 10 the backend server device 13 respectively. The security module 19 especially the anonymization of traffic data 11 before making these through the business partner-to-business partner interface 17 to the service provider 5 be forwarded.

Alternatively and / or additionally, the security module 19 the backend server device 13 also initially a lot of traffic data 11 collect and collect them via the business partner-to-business partner interface 17 forward, the service provider 5 merely a personal identifier, such as an IP address of the backend server device 13 provided.

Alternatively and / or additionally, the security module 19 certain road types used by motor vehicles 3 be driven, so that only the traffic data 11 the appropriately selected roads to the service provider 5 be forwarded.

Alternatively and / or additionally, by means of the security module 19 Fragments of traffic data 11 per participating motor vehicle 3 to be selected. For example, a fragment may be a part of a due to a locomotion of the motor vehicle 3 resulting trajectory understood. Advantageously, it is so impossible even if the anonymized traffic data 11 again to a corresponding motor vehicle 3 be recalculated, a total path of a corresponding, to the return channel of the traffic information system 1 retrace the participating motor vehicle.

To provide the informational data 7 can the service provider 5 a service provider server device, in particular with a traffic database 21 communicates. In the traffic database, corresponding data including the road condition and / or corresponding congestion information can be processed, provided and / or stored.

The at the traffic information system 1 participating motor vehicles 3 have a so-called IP connectivity and are equipped to data with the data infrastructure cloud 9 , in particular via a protocol, in particular via an Internet Protocol. In particular, the vehicles participating in the return channel 3 are equipped to the traffic data 11 back into the data infrastructure cloud 9 These can be, for example, so-called trajectories, which draw conclusions about a distance traveled by the participant motor vehicle 3 particular locations, speeds and associated times.

The backend server device 13 is specifically geared to motor vehicles 3 to communicate. This may be, for example, a so-called proxy server, which is within the data infrastructure cloud 9 with the motor vehicles 3 however, for forwarded data of motor vehicles 3 whose IP addresses do not forward. The provision of information data 7 is also known as TMC over IP. Advantageously, by means of the back-end server device 13 an information technology security can be increased.

Alternatively and / or additionally, it is advantageously conceivable that there is no storage, in particular no permanent storage, and processing of the traffic data 11 in the backend server device 13 he follows.

Alternatively and / or additionally, the return channel information, in particular the traffic data 11 only anonymously transferred to the service provider 5 in particular by means of the security module 19 can be guaranteed. Alternatively and / or additionally, it is conceivable that the information data 7 and the traffic data 11 at fixed intervals, for example in the range of a few minutes.

Alternatively and / or additionally, it is conceivable that information technology security for the traffic data 11 , in particular the trajectories of the traffic data 11 to increase further, in particular by means of the security module 19 in particular by collecting the information over a fixed time interval and / or transmitting only one IP address to the service provider 5 and / or setting random proportions of the traffic data trajectories 11 sent to the service provider 5 be routed and / or by specifying certain road types where the traffic data 11 be collected and accordingly fragmented to the service provider 5 to get redirected.

Advantageously, from the perspective of motor vehicles 3 the traffic data on the return channel anonymously and under a preferably complete control of the security operator 15 the backend server device 13 to third parties, here the service provider 5 to be provided. This return channel information may in particular be associated with one of the service provider 5 service of clear control of the security operator 15 subject.

As in 1 To recognize, the information exchange between the motor vehicles takes place 3 and the service provider 5 exclusively via the backend server device 13 the traffic information system 1 , here exemplified for traffic information in a protocol, such as TMC over IP (Traffic Message Channel via Internet Protocol). For a support of the service provider 5 does it make sense to traffic data 11 this, for example, movement data from the participating motor vehicles 3 Such as trajectories as a chain of multiple speeds and positions of a vehicle ride ("pearl necklace").

Advantageously, the backend server device 13 the traffic data sent over the return channel 11 the respective motor vehicles 3 monitor.

Advantageously, this monitoring can be ensured by the fact that in particular area-related restrictions can be set up, for example in such a way that only motorway-related and / or only federal road-related traffic data 11 be transmitted as return channel information. This can be prevented in particular that individual trips of the participating motor vehicles 3 from the service provider 5 be tracked, in particular by tracking the traffic data 11 on side roads.

Alternatively and / or additionally, the traffic data 11 from a vehicle fleet of motor vehicles 3 collected at certain times and then shared with third parties, in particular the service provider 5 , be transmitted.

Alternatively and / or additionally, the traffic data 11 by the backend server device 13 about all motor vehicles 3 collected and before the actual transfer via the business partner-to-business partner interface 17 to the service provider 5 be anonymized, in particular by means of the security module 19 ,

Alternatively and / or additionally, corresponding algorithms of the return channel information or the traffic data 11 with the service provider 5 be set to meaningful dimensions, for example, a transmission of a local determination unit of the corresponding motor vehicle 3 determined position every 10 seconds for a fixed time interval of in particular 3 minutes. Advantageously, the service provider 5 already meaningful information about the traffic condition in which the motor vehicle 3 is, derive. Advantageously, no further data must be transmitted.

Alternatively and / or additionally, the traffic data 11 also about positions and times of the individual motor vehicles 3 out further Data, e.g. B. temperature values and / or further vehicle information that can be advantageously secured with the previously described mechanisms, in particular anonymized.

Alternatively and / or additionally, the traffic data 11 operate on the basis of a traffic condition determination according to Kerner, in particular the states of a free traffic, a synchronized traffic and / or a moving wide traffic jam have.

Alternatively and / or additionally, the motor vehicles 3 a location unit, also known as GPS and a communication unit, for example via a mobile network, such as GSM have. Alternatively and / or additionally, the backend server device is 13 provided for the respective motor vehicles 3 the traffic data 11 collected, processed and provided, for example via TMC over IP, in particular for the service provider 5 ,

Alternatively and / or additionally, the backend server device is 13 in addition to the access function also a control function, via the traffic data 11 (Trajectories: A sequence of location points depicting recent vehicle movements (of the last two minutes, for example) from the respective motor vehicles 3 exercises as in 1 shown.

This monitoring can be ensured, in particular, by setting up area-related restrictions, such as road types, eg. B. in such a way that only motorway-related and / or only federal road related return channel information as traffic data 11 be transmitted. This can be prevented that individual trips and vehicles of motor vehicles 3 be tracked, including by tracking traffic data 11 a particular motor vehicle 3 on smaller side roads.

In particular, start and destination points of a journey of a respective motor vehicle become advantageous 3 not to external third parties, such as the service provider 5 passed on, making them as particularly recognizable and a motor vehicle 3 assignable places are protected. Alternatively and / or additionally, for example, a prohibition of transmitting the traffic data 11 after a traffic start for a certain time interval of for example 10 minutes and a covered distance of for example 5 km be provided.

Alternatively and / or additionally, another type of restriction or control can take place in that an adjustable, random selected portion of the traffic data 11 is transmitted, for example in a corresponding driving cycle of each of the motor vehicles 3 randomly selected 75% of all vehicle information.

Alternatively and / or additionally, the return channel information may be collected from a vehicle fleet at certain times and by the backend server device 13 together via an IP address to external third parties, for example the service provider 5 to be asked.

Alternatively and / or additionally, this joint transmission can be performed by the back-end server device 13 via the business partner-to-business partner interface 17 the assignment of trajectories to individual vehicles and / or drivers of motor vehicles 3 be advantageously interrupted.

In particular, those in the back-end server device can be advantageous 13 collected traffic data 11 all at the traffic information system 1 participating motor vehicles 3 before transmission to the service provider 5 be anonymized.

Advantageously, alternatively and / or additionally in the backend server device 13 be ensured that no storage of older traffic data 11 is made, in particular for each driving cycle of the motor vehicles 3 all traffic data 11 or return channel information of the corresponding motor vehicle of the motor vehicles 3 to the service provider 5 forwarded and then immediately on the backend server device 13 to be deleted.

Alternatively and / or additionally, the return channel information can also be used over positions and times also z. As temperature values and other vehicle information, in particular state information on rain sensors, slip values, ABS / ESP states, etc., which secured with the same mechanisms, especially in the security module 19 can be anonymized.

Alternatively and / or additionally, the algorithms of the traffic data 11 with the service providers, especially the service provider 5 , for example, GPS positions every 10 seconds for a fixed time interval every 3 minutes.

Alternatively and / or additionally, this algorithm can be used for the traffic data 11 based on the traffic condition determination according to Kerner.

Alternatively and / or additionally, any restrictions are imposed by the security operator 15 the backend server device 13 possible. In one possible variant, a user or vehicle owner of one of the corresponding participating motor vehicles of motor vehicles 3 influence on these settings, for example, this determines whether he wants to pass all trip information or possibly only highway information.

LIST OF REFERENCE NUMBERS

1

Traffic Information System

3

motor vehicles

5

service provider

7

information data

9

Data infrastructure cloud

11

traffic data

13

Backend server device

15

security operators

17

Business Partner to Business Partner Interface

19

security module

21

Traffic database

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• DE 19513640 A1 [0002]

Claims (10)

Method for bidirectionally transferring data between motor vehicles ( 3 ) and a service provider ( 5 ), with: - Provision of motor vehicles ( 3 ) receivable by the service provider ( 5 ) information data ( 7 ) via a data infrastructure cloud ( 9 ), - providing traffic descriptors and motor vehicles ( 3 ) traffic data, characterized by - only providing the traffic data ( 11 ) to the service provider ( 5 ) via one of a security operator ( 15 ) backend server device ( 13 ). Method according to the preceding claim, characterized by: - transmitting exclusively the traffic data ( 11 ) of motor vehicles ( 3 ) to the backend server device ( 13 ). Method according to one of the preceding claims, characterized by: - exclusive transmission of the traffic data ( 11 ) from the backend server device ( 13 ) to the service provider ( 5 ) via a business partner-to-business partner interface ( 17 ). Method according to the preceding claim, characterized in that the business partner-to-business partner interface ( 17 ) is secured. Method according to one of the preceding claims, characterized by: - anonymizing the traffic data ( 11 ) by means of the backend server device ( 13 ) before - transmitting the traffic data ( 11 ) to the service provider ( 5 ). Method according to one of the preceding claims, characterized by: collecting the traffic data ( 11 ) by means of the backend server device ( 13 ) before - transmitting the traffic data ( 11 ) to the service provider ( 5 ). Method according to one of the preceding claims, characterized by: selecting a subset of data from the traffic data ( 11 ) by means of the backend server device ( 13 ) and - transfer of the partial dataset to the service provider ( 5 ). Backend server device ( 13 ) for processing between motor vehicles ( 3 ) and a service provider ( 5 ) transferable data by means of which - by motor vehicles ( 3 ) receivable and by the service provider ( 5 ) information data ( 7 ) via a data infrastructure cloud ( 9 ) and - descriptive of a traffic condition and of motor vehicles ( 3 ) traffic data ( 11 ), characterized in that the traffic data ( 11 ) to the service provider ( 5 ) exclusively by a security operator ( 15 ) operable backend server device ( 13 ) are available. A back-end server device according to the preceding claim, arranged, designed, constructed and / or equipped with software for performing a method according to any one of claims 1-7. Traffic information system with a backend server device ( 13 ) according to one of the preceding two claims, in particular arranged, designed, constructed and / or equipped with software for carrying out a method according to one of the preceding claims 1-7.

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