EP2381425B1 - Procédé et dispositif de production de données de péage à position rendue anonyme - Google Patents

Procédé et dispositif de production de données de péage à position rendue anonyme Download PDF

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Publication number
EP2381425B1
EP2381425B1 EP11005131A EP11005131A EP2381425B1 EP 2381425 B1 EP2381425 B1 EP 2381425B1 EP 11005131 A EP11005131 A EP 11005131A EP 11005131 A EP11005131 A EP 11005131A EP 2381425 B1 EP2381425 B1 EP 2381425B1
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EP
European Patent Office
Prior art keywords
identifier
toll
data
location
oid
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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.)
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Application number
EP11005131A
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German (de)
English (en)
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EP2381425A1 (fr
Inventor
Jasja Tijink
Jan Kersten
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.)
Kapsch TrafficCom AG
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Kapsch TrafficCom AG
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Publication date
Application filed by Kapsch TrafficCom AG filed Critical Kapsch TrafficCom AG
Priority to SI200930303T priority Critical patent/SI2381425T1/sl
Priority to PL11005131T priority patent/PL2381425T3/pl
Publication of EP2381425A1 publication Critical patent/EP2381425A1/fr
Application granted granted Critical
Publication of EP2381425B1 publication Critical patent/EP2381425B1/fr
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    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B15/00—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points
    • G07B15/06—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems
    • G07B15/063—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems using wireless information transmission between the vehicle and a fixed station
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/008—Registering or indicating the working of vehicles communicating information to a remotely located station

Definitions

  • the present invention relates to a method for generating location-anonymized toll data from the location records of a location-recording vehicle device with a unique identifier in a road toll system.
  • the invention further relates to a toll calculation server and a vehicle device for carrying out this method.
  • OBUs Vehicle devices for road toll systems are also referred to as "onboard units” or OBUs.
  • OBUs that can themselves determine and record their location, e.g. by means of a satellite navigation receiver, there are currently two different versions: so-called “thick client” OBUs calculate based on stored toll cards from their location records location-anonymized toll data and send them e.g. via a mobile network to a center of the road toll system, which requires a complex distribution of toll cards to the OBUs and high processing power in the OBUs.
  • so-called “thin client” OBUs do not evaluate their location records themselves, but send them “raw” to the central office, which undertakes the toll map matching ("map matching") in order to generate toll data.
  • Map matching toll map matching
  • the center waits for a clearing confirmation of the toll calculation server before it assigns the local anonymized toll data received from the toll calculation server to a user identity received from the OBU, which deprives the authority over the disclosure of the OBU OBU ID and the risk of compromising data security harbors in itself.
  • the object of the invention is to overcome the disadvantages of the prior art and, in particular, to provide a method for generating toll data for "thin client" OBUs, which offers improved data protection or higher confidentiality for the user. This object is achieved by a method having the features of claim 1.
  • the invention is based on a completely novel, surprisingly simple concept for realizing privacy by design.
  • the OBU waits for a period of time to give the toll calculation server sufficient time to generate the toll data and the underlying location records Clear. Thereafter, the OBU can safely disclose their identity or identifier because there are no more location records in the system that would allow conclusions about the motion profile of the OBU.
  • a toll calculation server which is particularly suitable for the invention is characterized in that it has a buffer memory for recording the location records and means for periodically, preferably daily, deleting at least the oldest entries of the buffer memory in order to guarantee the deletion of the location records.
  • a particularly suitable for the invention vehicle device is characterized by release means, which after passing a predetermined period of time said sender identification send under the identifier of the vehicle unit and thus reveal its identity.
  • the invention provides hardware-based confidentiality for the sensitive location record data.
  • Location records are stored centrally only for as long as necessary for their processing; afterwards they will be deleted automatically. Any concerns regarding a central traceability or creation of a movement profile of the vehicle equipment can be eliminated.
  • the invention does not cause increased traffic in the road toll system.
  • the assignment of the location-anonymized toll data to the identifier released by the vehicle device can take place both in the toll calculation server and in the central office. Accordingly, further variants of the method according to the invention are that the said releasing takes place to the toll calculation server which assigns the location-anonymised toll data to the identifier and sends it to a center of the toll system; or that the said releasing is done to a center of the toll system, which receives the location-anonymized toll data from the toll calculation server and assigns the identifier.
  • the location records in the toll calculation server may be encrypted and sent to the public key of an external archive location prior to being deleted.
  • an archival holding in the nature of a trustee or notary, should enjoy a high degree of trust for all concerned, i. for both the users and the system operator, and can therefore be consulted by any party in disputed cases.
  • the transmission and release preferably takes place from the vehicle device via a radio network, particularly preferably a mobile radio network.
  • a radio network particularly preferably a mobile radio network.
  • conventional "thin client" OBUs can be used which are equipped with a DSRC or mobile transceiver.
  • the location records of a vehicle unit are sent in data packets, which are each provided with the same sender IDs, which simplifies the evaluation, since the vehicle unit here - after waiting for the period or receipt of the deletion confirmation - its identifier only with respect to a single Must disclose sender identification.
  • the location records of a vehicle device can be sent in data packets that are provided with changing sender IDs.
  • the confidentiality can be increased on the transmission interface.
  • data packets provided with alternating sender identifiers are additionally provided with linked packet identifiers which allow their assignment to one another, whereby the vehicle device needs to release its identifier only for the sender identification of the last data packet.
  • the identifier by which a vehicle device identifies can be both an identifier of the vehicle device itself and an identifier associated with the user of the vehicle device, e.g. an identifier of a user account for billing tolls in the road toll system.
  • the sender identifier used to send the location records to the toll calculation server may be both random and user-selectable code, further increasing transparency for the user.
  • the method of the invention is suitable for all types of self-locating vehicular devices, however they may determine their location, e.g. by detection of landmarks or identification of beacons, which is based on the vehicle device. It is particularly advantageous if the vehicle device determines its locations in a manner known per se by means of satellite navigation, for which purpose e.g. GPS-based "thin client" OBUs can be used.
  • an OBU 1 moves aboard a vehicle in the context of a road toll system with a control center 2.
  • the center 2 calculates toll road use of the OBU 1, eg driving on a toll road, entering an area subject to charges, staying in a paid parking, etc. corresponding user accounts from, u.zw. based on toll data T triggered by the location uses of the OBU 1 as known in the art.
  • the OBU 1 is of a self-locating "thin client" type and determines its location continuously, eg periodically, for example with the aid of a satellite navigation receiver, and records the so-determined positions (position fixes) p 1 , p 2 , p 3. (generally p i ) in an internal location record memory.
  • Each OBU 1 is provided with a unique identifier OID in the road toll system, for example a unique identifier of the OBU 1 itself and / or its user or an account of the latter. Knowing the identifier OID of an OBU 1 and its location records p i, it would be possible to deduce the movement profile of an OBU 1, which is prevented as follows.
  • the location records p i of the OBU 1 are - even if this is not mandatory - for ease of handling on individual data packets 3 divided.
  • the data packets 3 can with a packet identifier P i (see Fig. 2 ), for example a consecutive numbering, and a header (not shown), which contains, for example, metadata such as the number of location records p i contained in the data packet 3, a hash value thereof, etc.
  • the location records p i or data packets 3 are sent in a first step 4 of the OBU 1 to a toll calculation server 5, for example via a mobile network, u.zw. under a different from the identifier OID, as it were "anonymous" Sender ID RID.
  • the sender identifier RID is, for example, a user-selected code or a randomly generated value by the OBU 1. Alternatively - albeit with a correspondingly reduced anonymity - a temporary mobile network identification or temporary Internet address of the OBU 1 could be used as the sender identifier RID.
  • the toll calculation server 5 contains a "map matching" device 6, which assigns the received location records p i tolled places, routes or areas from a toll card database 6 'and determines associated tolls from the toll card database 6'.
  • the "map matching" device 6 calculates in this manner "location-anonymised” toll data T which does not permit any conclusion on the individual location records p i from the toll charges of the location records p i received for a sender identifier RID.
  • the toll data T are eg a single charge sum for all location records p i of all data packets 3 of a sender identifier RID.
  • the map-matching device 6 of the toll calculation server 5 is preceded by a buffer memory 7 in the form of a ring memory, in which all the local records p i or data packets 3 sent by OBUs 1 arrive in succession in order to be processed by the device 6. Due to the average workload of the device 6, therefore, a period of time can be set, within which at a certain time in the buffer memory 7 received location records p i have been converted to location anonymized toll data T and deleted by the arrival of new location records, the latter eg when the buffer memory as in Fig. 1 shown executed as a ring memory, which is automatically cyclically overwritten by incoming new data continuously.
  • the toll calculation server 5 may be archived for evidence purposes in a trustworthy encrypted form, the location records p i prior to the deletion, for example by encrypting them with the public key of an archive location 9 at this transmits (step 10).
  • the private key of the archive point 8, which is necessary for decrypting the location records p i may not be known to the user or the operator of the road toll system and only the operator of the archive point 9, which thus works as a notary or trustee for both sides.
  • the toll calculation server 5 then sends the calculated toll data T to the center 2 in step 8 under the sender ID RID.
  • the OBU 1 waits for the said period of time (step 11) and then releases its "identity", ie its identifier OID or price (step 12).
  • the release takes place in Fig. 1 in that the OBU 1 sends the sender identifier RID used by it under its identifier OID to the center 2.
  • the center 2 can thus allocate the toll data T received by the billing server 5 under the sender identifier RID to the identifier OID received from the OBU 1 for this sender identifier RID (step 13) in order to generate location-anonymized toll data T assigned to the OBU 1.
  • Fig. 2 shows various variants of components of the method of Fig. 1 ,
  • the assignment of the toll data T to the identifier OID is not done here in the center 2, but directly in the toll calculation server 5, in which the OBU 1 releases its identifier OID to the toll calculation server 5 in step 12 and the latter sends the result of the assignment 13 to the center 2 (step 14).
  • Fig. 2 shown that the OBU 1 - waiting for the arrival of an explicit confirmation 15 of the toll calculation server 5 on the successful deletion of the location records p i - instead of waiting for a time period 11.
  • the OBU 1 Upon receipt of the deletion confirmation 15, the OBU 1 reveals its identifier OID in step 12.
  • Fig. 2 also shows the variant that the individual data packets 3 can be provided with changing sender IDs RID i in order to make tracking on the interface 4 more difficult.
  • the OBU 1 can then immediately identify several of its last used sender IDs RID i with their identifier OID.
  • the OBU 1 identifies only the last sender identifier RID i of a linked data packet sequence with its identifier OID in step 12 because the toll calculation server 5 due to the packet chaining the previous sender ID RID i can open.
  • the toll calculation server 5 could also be linked Originators RID i continuously accruing toll data T i, for example, accumulate to a total fee and thereby only the last station ID, RID cancel always i. Also in this case, it is sufficient if the OBU 1 identifies only its last sender identifier RID i with its identifier OID in step 12.
  • Fig. 2 also the use of a stack as a buffer memory 7.
  • the stack memory 7 is eg periodically deleted or removed its oldest entries after a predetermined period of time, they should not be timely have been processed, and / or the OBU 1 is always waiting for a deletion confirmation 16.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Business, Economics & Management (AREA)
  • Finance (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
  • Cash Registers Or Receiving Machines (AREA)

Claims (12)

  1. Procédé de production de données de péage à positions rendues anonymes (T) à partir des enregistrements locaux (pi) d'un appareil de véhicule (1) effectuant des enregistrements locaux et doté d'un identifiant univoque (OID), dans un système de péage routier, comportant les étapes consistant à :
    envoyer (4) de l'appareil de véhicule (1) à un serveur de calcul de péage (5) les enregistrements locaux (pi) conjointement avec au moins un identifiant d'expéditeur (RID) différent de l'identifiant (OID),
    calculer (6) des données de péage à positions rendues anonymes (T) à partir des enregistrements locaux (pi) et supprimer ensuite les enregistrements locaux (pi) dans le serveur de calcul de péage (5), la suppression étant finie en tout cas périodiquement chaque fois dans un laps de temps fixé,
    dans l'appareil de véhicule (1) : Après l'expiration dudit laps de temps, libérer (12) à partir de l'appareil de véhicule (1) l'identifiant (OID) associé à l'identifiant d'expéditeur (RID) pour attribuer (13) les données de péage à positions rendues anonymes (T) à l'identifiant (OID) respectif.
  2. Procédé selon la revendication 1, caractérisé en ce que ladite libération (12) est effectuée au serveur de calcul de péage (5) qui attribue les données de péage à positions rendues anonymes (T) à l'identifiant (OID) et les envoie à une centrale (2) du système de péage.
  3. Procédé selon la revendication 1, caractérisé en ce que ladite libération (12) est effectuée à une centrale (2) du système de péage qui reçoit les données de péage à positions rendues anonymes (T) du serveur de calcul de péage (5) et les attribue à l'identifiant (OID).
  4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que, avant la suppression, les enregistrements locaux (pi) sont codés dans le serveur de calcul de péage (5) avec la clé publique d'un poste d'archive externe (9) et envoyés à ce dernier.
  5. Procédé selon l'une des revendications 1 à 4, caractérisé en ce que l'envoi (4) et la libération (12) sont effectués à partir de l'appareil de véhicule (1) par l'intermédiaire d'un réseau de radiocommunication, de préférence un réseau de radiocommunication mobile.
  6. Procédé selon l'une des revendications 1 à 5, caractérisé en ce que les enregistrements locaux (pi) d'un appareil de véhicule (1) sont transmis dans des paquets de données (3) qui sont pourvus à chaque fois des mêmes identifiants d'expéditeur (RID).
  7. Procédé selon l'une des revendications 1 à 5, caractérisé en ce que les enregistrements locaux (pi) d'un appareil de véhicule sont transmis dans des paquets de données (3) qui sont pourvus d'identifiants d'expéditeur variables (RIDi).
  8. Procédé selon la revendication 7, caractérisé en ce que les paquets de données (3) sont pourvus d'identifiants de paquets chaînés (pi) qui établissent leur appartenance mutuelle, la libération (12) de l'identifiant (OID) étant effectuée uniquement pour l'identifiant d'expéditeur (RIDi) du dernier paquet de données (3).
  9. Procédé selon l'une des revendications 1 à 8, caractérisé en ce que ledit identifiant (OID) est un identifiant d'appareil de véhicule ou un identifiant de compte d'utilisateur.
  10. Procédé selon l'une des revendications 1 à 9, caractérisé en ce que l'identifiant d'expéditeur (RID) est un nombre aléatoire ou un code sélectionnable par l'utilisateur.
  11. Serveur de calcul de péage (5) permettant d'exécuter le procédé selon l'une des revendications 1 à 10, conçu pour recevoir des enregistrements locaux (pi) et calculer à partir de ces derniers des données de péage à positions rendues anonymes (T), caractérisé par un mémoire tampon (7) à stocker les enregistrements locaux (pi) et par moyens à supprimer périodiquement, de préférence quotidiennement, du mémoire tampon (7) au moins les enregistrements les plus vieux chaque fois dans le seul et même laps de temps fixé.
  12. Appareil de véhicule effectuant des enregistrements locaux (1), équipé d'un identifiant (OID) servant à l'exécution du procédé selon l'une des revendications 1 à 10, conçu pour envoyer (4) ses enregistrements locaux (pi) avec au moins un identifiant d'expéditeur (RID) différent de l'identifiant (OID), caractérisé par des moyens de libération qui, après l'expiration d'un laps de temps fixé, transmettent ledit identifiant d'expéditeur (RID) sous l'identifiant de l'appareil de véhicule (OID).
EP11005131A 2009-10-30 2009-10-30 Procédé et dispositif de production de données de péage à position rendue anonyme Active EP2381425B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI200930303T SI2381425T1 (sl) 2009-10-30 2009-10-30 Postopek in naprava za generiranje lokacijsko anonimiziranih cestninskih podatkov
PL11005131T PL2381425T3 (pl) 2009-10-30 2009-10-30 Sposób i urządzenie do generowania danych o opłatach drogowych niewskazanych lokalizacji

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09450207A EP2320386B1 (fr) 2009-10-30 2009-10-30 Procédé et dispositifs de production de données de péage à positions rendues anonymes

Related Parent Applications (1)

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EP09450207.7 Division 2009-10-30

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EP2381425A1 EP2381425A1 (fr) 2011-10-26
EP2381425B1 true EP2381425B1 (fr) 2012-05-09

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EP11005131A Active EP2381425B1 (fr) 2009-10-30 2009-10-30 Procédé et dispositif de production de données de péage à position rendue anonyme
EP09450207A Active EP2320386B1 (fr) 2009-10-30 2009-10-30 Procédé et dispositifs de production de données de péage à positions rendues anonymes

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EP (2) EP2381425B1 (fr)
AT (2) ATE557373T1 (fr)
DK (2) DK2320386T3 (fr)
ES (2) ES2383852T3 (fr)
PL (2) PL2320386T3 (fr)
PT (2) PT2320386E (fr)
SI (1) SI2320386T1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8321265B2 (en) * 2010-05-12 2012-11-27 Kapsch Trafficcom Ag Method for collecting tolls for location usages
PT2660793E (pt) 2012-05-03 2014-11-26 Kapsch Trafficcom Ag Método e dispositivos para identificação de um veículo com uso de uma localização
EP3035296A1 (fr) 2014-12-18 2016-06-22 Toll Collect GmbH Procédé d'affection d'un résultat de traitement centralisé de données généré par un système de traitement centralisé de données vers un dispositif de traitement décentralisé de données, système de traitement centralisé de données et dispositif de traitement décentralisé de données
DE202015102311U1 (de) 2015-05-06 2015-06-09 Omp Telematics Gmbh Vorrichtung zum Abrechnen von Mautgebühren
EP3144867B1 (fr) 2015-09-21 2020-06-17 Toll Collect GmbH Systeme de determination de donnees de position, dispositif de vehicule et procede de determination de donnees de position

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5819234A (en) * 1996-07-29 1998-10-06 The Chase Manhattan Bank Toll collection system
GB2399441A (en) * 2003-03-11 2004-09-15 Sema Uk Ltd Road use charging system using a mobile telecommunications network
EP1475752A3 (fr) * 2003-05-05 2005-12-14 Vodafone Holding GmbH Système et méthode de perception électronique de droits de péage
US8140265B2 (en) * 2006-03-21 2012-03-20 Skymeter Corporation Private, auditable vehicle positioning system and on-board unit for same
DE102006029383A1 (de) 2006-06-27 2008-01-03 Deutsche Telekom Ag Verfahren und Vorrichtung zur Gewährleistung des Datenschutzes bei der Offboard Mauterfassung
GB0712377D0 (en) * 2007-06-26 2007-08-01 Nxp Bv Road toll system

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Publication number Publication date
DK2381425T5 (da) 2012-09-10
ATE548713T1 (de) 2012-03-15
SI2320386T1 (sl) 2012-07-31
DK2381425T3 (da) 2012-08-20
PL2381425T3 (pl) 2012-10-31
DK2320386T3 (da) 2012-07-02
PT2381425E (pt) 2012-08-06
PL2320386T3 (pl) 2012-08-31
EP2320386B1 (fr) 2012-03-07
ES2383852T3 (es) 2012-06-26
ATE557373T1 (de) 2012-05-15
ES2387755T3 (es) 2012-10-01
PT2320386E (pt) 2012-06-15
EP2381425A1 (fr) 2011-10-26
EP2320386A1 (fr) 2011-05-11

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