EP1370833A1 - Procede et dispositifs de mise a disposition de donnees d'information - Google Patents

Procede et dispositifs de mise a disposition de donnees d'information

Info

Publication number
EP1370833A1
EP1370833A1 EP02701216A EP02701216A EP1370833A1 EP 1370833 A1 EP1370833 A1 EP 1370833A1 EP 02701216 A EP02701216 A EP 02701216A EP 02701216 A EP02701216 A EP 02701216A EP 1370833 A1 EP1370833 A1 EP 1370833A1
Authority
EP
European Patent Office
Prior art keywords
information data
data
information
users
regional
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP02701216A
Other languages
German (de)
English (en)
Inventor
Gerd Draeger
Volker Skwarek
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1370833A1 publication Critical patent/EP1370833A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/38—Electronic maps specially adapted for navigation; Updating thereof
    • G01C21/3885—Transmission of map data to client devices; Reception of map data by client devices
    • G01C21/3889—Transmission of selected map data, e.g. depending on route

Definitions

  • the invention is based on a method for providing information data.
  • a navigation database is required to search for routes and route guidance using navigation devices.
  • This navigation database contains all the necessary information that a mobile device needs for the targeted influencing of navigating objects, which is why this database is also referred to as a digital map.
  • this database is also referred to as a digital map.
  • RAM random access memory
  • CD-ROM read only memory
  • JP-2 000 227 339 A shows a GPS system for determining the position of a vehicle.
  • a microcomputer determines a driving recommendation from the specific position to the destination. It is stored there on a CD-ROM
  • a server in the vehicle receives card information which is provided by a
  • the route guidance system uses a radio connection to radio beacons from which the route guidance data are processed.
  • the beacons also transmit updated navigation data.
  • Map information as a function of route characteristics, a radio link that is set up on request from the control unit of the navigation device.
  • EP-100 48 52 A discloses an onboard navigation system for processing route guidance information based on position data and map data. Additional traffic data emitted using the point-to-multipoint method are taken into account when preparing the route guidance information.
  • the inventive method according to claim 1 enables a cost and bandwidth-optimized division of information data / route guidance data among different
  • Transmission media that can be operated side by side with equal rights.
  • Information data in information data of a global nature i.e. Data that may be relevant for all users of a target group
  • information data of a regional nature i.e. Data that can only be relevant for a subset of the users of the target group
  • information data of an individual type i.e. Data that can only be relevant for individual users of the target group is used in the optimal transmission medium for the respective purpose.
  • Information data of a global nature are held directly by the users, so that there is no transmission capacity, e.g. in the form of radio channels. This global data represents by far the largest volume of data
  • Regional-type information data are transmitted using the point-to-multipoint method, ie the broadcast method, for example from regional, in particular digital, radio.
  • Information data of an individual type are requested in a point-to-point procedure and therefore only require transmission capacity when requested by the user. Since not all users constantly request such information data, a radio channel intended for this purpose or a few radio channels can be sufficient for a target group for this purpose.
  • the method according to the invention provides various coordinated transmission media which serve to reach the largest possible number of terminal users inexpensively and with little effort, without having to do without information or restricting navigation options.
  • Claims 10 and 14 show user-side or information provider-side devices for carrying out the method according to the invention.
  • the subclaims show advantageous embodiments of the method and the device.
  • the user requests the information data of an individual type via a terminal-side return channel, whereupon he then receives this data from an information provider.
  • This transfer of information data of an individual type therefore does not permanently tie up resources and transmission capacity, neither for the user nor for the information provider.
  • Information data of a global nature are stored in a non-volatile, in particular writable memory, for example CD (RW) -ROM, in the vehicle of the user. This also avoids tying up resources and transmission capacity.
  • the regional and / or individual information data can be provided with additional attributes, such as traffic or road conditions. • This can be equivalent to anything else
  • Alternative routes can be selected according to the needs of the user, e.g. faster destination attainment on alternative route with less traffic.
  • these attributes can be taken into account both in a route search and in the route guidance of a vehicle.
  • informational data of a global nature can represent a higher-level road network and be held at the user as CD-ROM / CDRW.
  • the supplementary data i.e.
  • Claim 9 advantageously provides the route guidance data for a motor vehicle navigation system as information data, which of course does not preclude the use of the method according to the invention for other information systems.
  • the user-side device for providing information data comprises a navigation device with several interfaces to different transmission media, a first interface to a transmission medium for
  • Information data of a global type a second interface to a transmission medium for information data of a regional type and a third interface to a transmission medium for information data of an individual type is provided.
  • the transmission media for information data of a regional or individual type are advantageously radio channels according to claim 11 and the transmission medium for information data of a global type comprises a non-volatile memory, e.g. a CD RW / ROM.
  • a further interface is provided for updating the information data of a global nature.
  • the provision of information data comprises, according to claim 14, means for categorizing information data into information data of a global, regional and individual type, means for providing this categorized information data, means for distributing the information
  • Regional-type information data in the point-to-multipoint method and means for providing the categorized information data of an individual type in the point-to-point method are equipped to provide attributes in addition to the information data.
  • the means for distributing the categorized information data of a regional type are broadcast facilities such as radio stations, DAB stations or the like.
  • the means for providing the categorized information data of an individual type can be mobile radio devices, for example according to ' the' GSM or ÜMTS standard.
  • Figure 1 an assignment of the categorization to a
  • FIG. 2 the provision of information data of a global, regional and individual type for users of a vehicle navigation system
  • FIG. 3 shows the user information processing
  • Figure 4 shows the information provider side
  • information data for example map information, in particular route guidance data for vehicle navigation, categorized and divided into different transmission media based on the categorization.
  • This categorization takes place in the three classes: information data of a global type, regional type and individual type.
  • Information data of a global type are understood here to mean information data which affect all members of a target group.
  • Regional information data refers to a subset of this target group in the mathematical sense. This means not only spatial regions, e.g. Ruhr area, federal states, etc., but also quantity-theoretical regions - all municipal vehicles, all police officers, etc. Individual information data affect only one or very few members of the aforementioned target group.
  • FIG. 1 shows for a target group the quantity 1 for information data of a global type, the subset 2 for information data of a regional type and the quantity 3 for information data of an individual type.
  • Information data of a global nature are permanently stored in storage media in the terminal device, information data of a regional type are broadcast by unidirectional point-to-point radio systems. If required, information data of an individual type are queried by this provider via a return channel of the terminal to an information provider external to the terminal and then transmitted to the user of the terminal.
  • FIG. 2 shows this in a schematic sketch using the example of vehicle navigation systems in Germany.
  • the vehicles 4 have the information data of a global nature stored in a user 5, that is to say in the vehicle 5.
  • the point-to-multipoint transmission for informational data of a regional nature takes place via broadcast transmitter 6, while the Information data of an individual type are transmitted via mobile radio devices 7, for example according to the GSM or UMTS standard.
  • the information or service provider 8 categorizes the information data and distributes it to the transmission media 5, 6 and 7.
  • the information data held and / or transmitted via the individual channels are sensibly reduced, so that they adequately meet the information needs of the target group on average at each level of abstraction.
  • the content of the regional information is preferably determined by the information provider according to the needs of the target group.
  • a restriction of the target group usually results in a changed need for information, so that this is covered by an increasingly refined information supply network.
  • the aforementioned division from global to regional to individual can be refined as desired. It is only crucial that the highest level of abstraction represents the global information that the user holds in the terminal device and that the lowest level of abstraction represents the information data of an individual nature that a user requests from the information provider on a return channel and then receives. All levels of abstraction in between are called regional.
  • the exemplary embodiment relates to a transmission system such as can be used in vehicle navigation.
  • a transmission system such as can be used in vehicle navigation.
  • everyone is under the target group
  • a navigation database that is reduced to coarse levels of abstraction is understood as information data of a global nature that affects all drivers.
  • the content of this navigation database includes, for example only all motorways and important federal highways that are referenced in previously defined coordinates.
  • This navigation database is stored in a memory 5 of the vehicle navigation system. In terms of navigation, this navigation database is used to determine a rough direction of travel from the location to the destination, especially for longer distances. With the help of coordinate comparisons of the start, destination and navigation database, the most sensible connection points are searched for according to the route optimization criterion. Due to the abstraction, in this navigation database in the vehicle there is generally only insufficient information available for navigation.
  • This level of detail is sufficient to lead the vehicle into the immediate vicinity of the destination.
  • important information is still missing in the navigation database in order to reach the destination directly.
  • These include, for example, streets in small towns or small streets in cities.
  • Such information is considered Information data of an individual type viewed that are only of interest to a small proportion of the target group. Due to the reduced bandwidth that is available in a point-to-multipoint transmission medium, this individual information is not transmitted. An individual request must therefore be made to a service provider for navigation information on an individual transmission medium, after which the requested information data is transmitted to the user.
  • the information data of a global nature are stored in the vehicle in a writable memory 5, for example in the form of CD-RWs, so that they can also be updated at a very low transmission rate, for example once a day. This has advantages in the event of changes in the global road network, so that no individual intervention in the navigation system is necessary.
  • the individual and the regional navigation databases are provided with messages about the traffic and road condition, so-called attributes, so that these can be taken into account when searching for routes and / or route guidance.
  • the navigation device 9 in addition to the memory 5 for the information data of a global nature, the regional map data, symbolized by the memory 10, and the
  • Information data of an individual type symbolized by the memory 11, also the interface 12 to the memory 5, the Interface 13 for the transmission of point-to-multipoint information and the interface 14 for the transmission of the individual information data assigned.
  • the interface 15 can optionally be provided for updating the information data of a global nature, for example after releasing newly built roads or changing the labeling of national roads.
  • the device on the information provider side has appropriate means, as shown in FIG. 4, one
  • Collection point 20 for the information data to be processed a device 16 for categorizing this information data, and interfaces 17, 18 and 19.
  • the interface 17 for the regional-type information data leads to the broadcast transmitter 6 and the interface 19 for the individual-type information data leads to a base ' sstation for a cellular network.
  • the interface 18 leads to a device for producing the CD-RW / ROM, which can be purchased by a user or already from the vehicle manufacturer or
  • the interface 18 can optionally also be connected to a transmitter that transmits information data of a global nature to the memory 5, in this case a CD-RW, of the user via its interface 15, automatically and without distracting the user / driver.
  • a transmitter that transmits information data of a global nature to the memory 5, in this case a CD-RW, of the user via its interface 15, automatically and without distracting the user / driver.
  • a driver whose vehicle is equipped with a navigation device and a device according to FIG. 3 would like to take a trip from "Sarstedt" near Hanover to "Poing” near Kunststoff.
  • Due to the navigation system which at the time of the start only has information data of a global nature, national road network of Germany, on a CD-ROM, the locating unit can give a rough position be determined. However, only one road belonging to the global road network can be assigned to this position.
  • regional-type information data ie a road network, are received - the information about this road network is constantly broadcast by digital radio - which belongs to the geographically immediate region. This information is initially saved.
  • the navigation device is now aware of a road network that contains at least the main roads of this region. If the information is not sufficient for navigating the vehicle of the global and regional road network, is 'the local over an inquiry via a return channel, the driver individually interest road network' - transfer immediate vicinity of the vehicle. This is requested via radio in a central office, ie from the information provider, and transmitted to the vehicle. With the information now available, a route to the destination "Poing" near Kunststoff is calculated. Since the fine road network in the target area is also not yet known, only a rough route can be determined in the globally known road network with greater distance from the vehicle.
  • the driver of the vehicle sets off and follows the driving instructions of the navigation device.
  • the regional information (road network) is constantly received and temporarily stored via the radio.
  • This regional information also contains current traffic reports so that the current traffic situation can be reacted to dynamically.
  • Regional information also includes travel information that the driver can view while driving.
  • the vehicle changes regions and is located in new transmission areas for information data of a regional nature. These, in turn, are immediately incorporated into the route calculation for optimization.
  • the last missing individual streets in the target area are then requested and transmitted via direct radio - 1: 1 connection - at the headquarters, so that the target street of the small village "Poing" can also be reached.
  • Procedure is not only transferable for spatial, but also for other, target group-oriented information.
  • the target group are, for example, police officers.
  • Global information for all police officers is, for example, search information for serious criminals. These are kept in all vehicles. Special police areas, such as a drug department or the traffic police, receive additional individual information about criminals in their area by radio procedures that essentially only they can receive. Individual information that a single police officer needs about offenders who are of particular interest to him is then only transmitted to the individual police officer via a query on a return channel.

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Navigation (AREA)
  • Traffic Control Systems (AREA)

Abstract

Afin de mettre à la disposition d'utilisateurs des données d'information, en particulier dans des systèmes de navigation embarquée, ces données d'information sont réparties par catégories entre différents supports de transmission. Parmi ces catégories figurent des données d'information de type global, de type régional et de type individuel. Les données d'information de type global sont conservées auprès des utilisateurs (4) ; les données d'information de type régional sont réparties selon le procédé point à multipoints et les données d'information de type individuel sont requises si nécessaire puis transmises à un utilisateur (4) selon le procédé point à multipoints.
EP02701216A 2001-03-08 2002-01-22 Procede et dispositifs de mise a disposition de donnees d'information Withdrawn EP1370833A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10111075 2001-03-08
DE10111075A DE10111075A1 (de) 2001-03-08 2001-03-08 Verfahren zum Bereitstellen von Informationsdaten sowie nutzerseitige und informationsanbieterseitige Einrichtung hierzu
PCT/DE2002/000183 WO2002073132A1 (fr) 2001-03-08 2002-01-22 Procede et dispositifs de mise a disposition de donnees d'information

Publications (1)

Publication Number Publication Date
EP1370833A1 true EP1370833A1 (fr) 2003-12-17

Family

ID=7676684

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02701216A Withdrawn EP1370833A1 (fr) 2001-03-08 2002-01-22 Procede et dispositifs de mise a disposition de donnees d'information

Country Status (4)

Country Link
EP (1) EP1370833A1 (fr)
JP (1) JP2004518981A (fr)
DE (1) DE10111075A1 (fr)
WO (1) WO2002073132A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3304210B2 (ja) * 1994-09-22 2002-07-22 株式会社エクシング 電子地図システム及びカーナビゲーション装置
DE19640735A1 (de) * 1996-10-02 1998-04-23 Bosch Gmbh Robert Telematikgerät für ein Kraftfahrzeug
US6438561B1 (en) * 1998-11-19 2002-08-20 Navigation Technologies Corp. Method and system for using real-time traffic broadcasts with navigation systems
DE19930796A1 (de) * 1999-07-03 2001-01-11 Bosch Gmbh Robert Verfahren und Vorrichtung zur Übermittlung von Navigationsinformationen von einer Datenzentrale an ein fahrzeugbasiertes Navigationssystem

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO02073132A1 *

Also Published As

Publication number Publication date
DE10111075A1 (de) 2002-09-19
JP2004518981A (ja) 2004-06-24
WO2002073132A1 (fr) 2002-09-19

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