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WO2000013035A1 - Dispositif et procede pour localiser des supports de donnees - Google Patents

Dispositif et procede pour localiser des supports de donnees Download PDF

Info

Publication number
WO2000013035A1
WO2000013035A1 PCT/EP1999/006107 EP9906107W WO0013035A1 WO 2000013035 A1 WO2000013035 A1 WO 2000013035A1 EP 9906107 W EP9906107 W EP 9906107W WO 0013035 A1 WO0013035 A1 WO 0013035A1
Authority
WO
WIPO (PCT)
Prior art keywords
data carrier
data
area
information unit
information
Prior art date
Application number
PCT/EP1999/006107
Other languages
German (de)
English (en)
Inventor
Henning Maass
Thomas Falck
Original Assignee
Koninklijke Philips Electronics N.V.
Philips Corporate Intellectual Property 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 Koninklijke Philips Electronics N.V., Philips Corporate Intellectual Property Gmbh filed Critical Koninklijke Philips Electronics N.V.
Priority to CA002307504A priority Critical patent/CA2307504A1/fr
Priority to EP99944452A priority patent/EP1049941A1/fr
Priority to JP2000567967A priority patent/JP2002523785A/ja
Publication of WO2000013035A1 publication Critical patent/WO2000013035A1/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/0009—Transmission of position information to remote stations
    • G01S5/0018—Transmission from mobile station to base station
    • G01S5/0027—Transmission from mobile station to base station of actual mobile position, i.e. position determined on mobile
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/14—Receivers specially adapted for specific applications
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S2205/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S2205/001—Transmission of position information to remote stations
    • G01S2205/002—Transmission of position information to remote stations for traffic control, mobile tracking, guidance, surveillance or anti-collision

Definitions

  • the invention relates to an arrangement and a method for localizing objects provided with data carriers.
  • Such methods can be used to locate people or devices in appropriate areas.
  • these objects are associated with a portable data carrier that stores position data from a position determination system, e.g. Global Positioning System (GPS).
  • GPS Global Positioning System
  • US 5 490079 a system is described which is provided for the automatic collection of user fees using GPS.
  • This system works with a day that contains a GPS sensor. This day receives the absolute position data from the GPS and compares this position data with area data that are stored in this day. If the tag determines that it is in such an area, it sends a signal to a receiver. The time of stay in an area subject to user fees is saved in the day. With appropriate payment
  • the day includes also a memory in which fee-based areas are stored.
  • the size of the data carrier In order to be able to use such a data carrier universally, the size of the data carrier must be small in relation to the object. On the other hand, such mobile data carriers are dependent on batteries, which should be small but should have a long service life.
  • the object of the invention is to provide an arrangement and a method which optimize the data exchange between data carrier and information unit.
  • the localization system essentially consists of three components: a position determination system, an object provided with a data carrier and an information unit.
  • the data carrier When it is initialized, the data carrier sends its absolute coordinates, which represent the absolute position that it receives from the respective position determination system, to the information unit. Corresponding areas are stored in electronic maps in the information unit. The information unit translates the respective absolute coordinates of the data carrier into the relative area data. There is also a
  • the information unit sends the borders of the area in which the object is located back to the data carrier, where they are then stored.
  • the data carrier queries the position determination system for its absolute position at definable intervals. A comparison of this absolute position with the stored boundaries of the area determines whether the data carrier is still in the respective stored area. As long as this comparison shows that the object with the data carrier is still in the respective area, there is no communication between the data carrier and the information unit. Only when the data carrier determines that its absolute coordinates lie outside the area stored in it does it send its new position to the information unit.
  • An advantage of this method is that the relative position of the object is always available in the information unit for every application that is interested in the location of the object.
  • the communication effort between data carrier and information unit is thus limited to the bare minimum.
  • the saved areas can be changed at any time without changing the data carrier.
  • How often the data carrier queries its absolute position from the positioning device depends in particular on the required accuracy, but also on the speed at which the object moves.
  • Applications e.g. Search systems that are interested in the location of the object, but for which the absolute position is not critical, can call up the current location of the data carrier at any time from the information unit via existing infrastructure networks.
  • Data carrier is then not a hindrance, since the area or generally the relative position of the object is stored in the information unit.
  • the respective application does not have to ask the individual data carrier directly for each request. This reduces the communication effort.
  • Fig. 1 is a block diagram of an arrangement according to the invention
  • Fig. 2 structure of a data carrier in connection with position determination system and
  • FIG. 1 shows the structure of an arrangement according to the invention.
  • the information unit 5 monitors, for example, four areas 1, 2, 3 and 4, in each of which there are objects to be monitored which are provided with data carriers 11, 12, 13 and 14.
  • the position determination system 6 sends the data carriers 11 to 14 the absolute position data.
  • This absolute position data is sent to the information unit 5 depending on the state of the data carrier.
  • the absolute position data are sent directly to the information unit.
  • the information unit 5 sends back to the data carriers 11 to 14 the boundaries of the respective area in which it is currently located. Otherwise, the absolute position data are only sent to the information unit 5 if they lie outside the stored limits of the current current area.
  • Applications 7, which are interested in the location of the data carriers 11 to 14, receive the current area information from a database from the information unit 5. For this purpose, the data carrier does not have to be contacted. If applications have to react under certain conditions, the information unit 5 sends a message to the application when the respective condition occurs.
  • Figure 2 shows the data carrier 11, the position sensor 20, a transmitter
  • the data carrier 11 receives its absolute position data from the position determination system 6 by means of the position sensor 20, for example absolute coordinates in a space or the geographical location with indication of the longitude and latitude.
  • the global positioning system GPS
  • the global positioning system can be used as the position determination system 6.
  • Local positioning systems inside buildings that use infrared or radio can also be used.
  • the object to be monitored is connected to the data carrier 11.
  • the data carrier 11 receives via the Position sensor 20 the absolute position data from the position determination system 6.
  • the position data received during the initialization are sent directly to the information unit 5.
  • the transmitter 21 located in the data carrier 11 is used for this purpose. It is also possible to send additional information, such as time and identification, with the position data to the information unit 5.
  • the respective areas are stored in the form of electronic maps in the information unit 5.
  • the information unit 5 receives the absolute position data transmitted by the data carrier 11 from the location of the object during the initialization process. These absolute position data are assigned in the information unit 5 to the respective area in which the object with the data carrier 11 is currently located.
  • the information about the area in which the object with the data carrier is located is stored in a database of the information unit 5.
  • the boundaries of the area in which the object is located are sent back to the data carrier 11.
  • the data carrier 11 receives these limits with the receiver 22.
  • the limits can be transmitted in the form of data of a polygon.
  • the data carrier 11 stores these limits in the memory 23.
  • the position determination system 6 is queried at appropriate intervals by the data carrier 11 for the respective current absolute position.
  • Each new position is compared in the comparator 24 with the boundaries of the area stored in the memory 23.
  • the object with the data carrier 11 is in the area whose boundaries are stored in the data carrier, there is no communication between the data carrier 11 and the information unit 5.
  • the latter determines the area belonging to this position data on the basis of its stored electronic maps, stores the area entered by the object and sends the new borders of the area to the data carrier 11.
  • the communication between data carrier 11 and information unit 5 is thus optimized for the time that data carrier 11 is located within an area.
  • An application 7, which is interested in the current position of the data carrier, receives the position data of the respectively stored area for the corresponding data carrier 11 on request to the information unit 5.
  • the data carrier 11 thus does not have to be constantly in the reception area of all possible applications.
  • An information unit thus serves a large number of data carriers 11. At the same time, different applications can access the information unit 5, so that not every application has to contact the corresponding data carriers directly.
  • FIG. 3 shows schematically the time sequence for the communication between the components belonging to the localization system.
  • the sequence for the data carrier is shown with A, with B for the information unit, with C for the position determination system and with D for an application.
  • Step (31) shows the initialization of the data carrier.
  • the data carrier receives its absolute position data from the position determination system C.
  • the data carrier then sends this to the information unit (34).
  • the information unit assigns the absolute position of the data carrier to an area using the electronic maps stored there (35). This area assignment is stored in a database of the information unit (36).
  • the boundary data for the respective area are compiled on the basis of the identified area (37). Then transmits the
  • Information unit this area boundary data for the data carrier (38).
  • the volume receives and stores the area boundary data (39).
  • the data carrier receives its current absolute position (33) from the position determination system. This current absolute position of the data carrier is compared with the area boundary data (41). If the object with the data carrier has moved out of the saved area, the current absolute position is no longer within the area boundary data.
  • the data carrier then sends its new absolute position to the information unit (42). The same steps are processed there as after the first transmission of the absolute position (35, 36, 37, 38). If the position lies within the area boundary data, the new absolute position is not transmitted to the information unit.
  • an application D may have asked for a data carrier (43).
  • the information unit searches for the corresponding data carrier from the database (44) and sends the application the current location of the data carrier (45).
  • One possible application is a people search system. Here, all people get a data carrier and move within a building complex. If a person is to be localized, for example via a local computer network Information unit can be queried. For example, you get the room or building in which the person is currently staying.
  • a position sensor is installed in vehicles. This gives the vehicle its absolute position, which it sends to an information unit via a transmission medium. From here, information about the location of individual vehicles can then be queried. In this way, forwarding agents can locate vehicles that are located in the overall area that is served by an information unit.
  • An extension is the linking of several information units.
  • the databases of several information units are managed centrally, so that only one location has to be queried by the respective application.

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Traffic Control Systems (AREA)

Abstract

L'invention concerne un dispositif permettant de localiser des objets mobiles dans des zones déterminées. Les objets mobiles à localiser, par exemple des personnes ou des objets, sont pourvus d'un support de données qui détecte leur position absolue au moyen d'un système de détermination de position, par ex. GPS. Pour de nombreuses applications, il n'est pas toujours nécessaire de connaître la position absolue d'objets. Une information sur la zone, dans laquelle se trouvent les objets, est suffisante dans la plupart des cas. Afin d'optimiser l'échange de données entre l'application, pour laquelle le lieu de situation de l'objet présente un intérêt, et l'objet lui-même, la position absolue de l'objet est transmise à une unité d'information lors de l'initialisation du support de données. Cette unité d'information traduit les coordonnées au moyen d'une carte numérisée ou d'une division en zones, de sorte que l'objet peut être affecté à une zone correspondante. Ces données sont mémorisées dans l'unité d'information. Les limites de la zone dans laquelle se trouve l'objet sont transmises au support de données. Ce dernier peut déterminer lui-même en cas de changement de position si l'objet quitte ou non une zone. Si la position, à un moment donné, du support de données ne coïncide plus avec les informations de zone, le support de données signale de nouveau sa position à l'unité d'information. Si une application demande la position d'un support de données, l'unité d'information transmet à l'application les informations de zone mémorisées du support de données. La communication entre les applications et le support de données est ainsi optimisée. La position du support de données peut être déterminée même si l'on ne peut pas avoir accès momentanément au support de données.
PCT/EP1999/006107 1998-08-27 1999-08-19 Dispositif et procede pour localiser des supports de donnees WO2000013035A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA002307504A CA2307504A1 (fr) 1998-08-27 1999-08-19 Dispositif et procede pour localiser des supports de donnees
EP99944452A EP1049941A1 (fr) 1998-08-27 1999-08-19 Dispositif et procede pour localiser des supports de donnees
JP2000567967A JP2002523785A (ja) 1998-08-27 1999-08-19 データキャリアロケーティングシステム及びその方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19838902.7 1998-08-27
DE19838902A DE19838902A1 (de) 1998-08-27 1998-08-27 Anordnung und Verfahren zur Lokalisierung von Objekten

Publications (1)

Publication Number Publication Date
WO2000013035A1 true WO2000013035A1 (fr) 2000-03-09

Family

ID=7878851

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1999/006107 WO2000013035A1 (fr) 1998-08-27 1999-08-19 Dispositif et procede pour localiser des supports de donnees

Country Status (5)

Country Link
EP (1) EP1049941A1 (fr)
JP (1) JP2002523785A (fr)
CA (1) CA2307504A1 (fr)
DE (1) DE19838902A1 (fr)
WO (1) WO2000013035A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10139502C1 (de) * 2001-08-10 2003-03-20 Diehl Munitionssysteme Gmbh Verfahren und Vorrichtung zum Auffinden von Streumunition-Blindgängern
DE10155501A1 (de) * 2001-11-13 2003-05-28 Vodafone Ag Erfassungssystem für flächige Bereiche zum Erfassen von Fahrzeugen mit GPS
DE10161592A1 (de) * 2001-12-14 2003-07-03 Patrick Oliver Feuerberg Verfahren zur Positionsbestimmung von Objekten und Vorrichtung zur Durchführung des Verfahrens
DE102004052087A1 (de) * 2004-10-26 2006-05-18 Infineon Technologies Ag Verfahren und Anordnung zur personen- und standortbezogenen Informationsverarbeitung
ATE454636T1 (de) * 2004-11-15 2010-01-15 Saab Ab Sendeeinheit
DE112020007655T5 (de) * 2020-12-18 2023-08-17 Robert Bosch Gesellschaft mit beschränkter Haftung Lokalisierungssystem und -verfahren für ein mobiles Gerät

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0379198A2 (fr) * 1989-01-18 1990-07-25 Sharp Kabushiki Kaisha Système de navigation d'un objet mobile
US5068656A (en) * 1990-12-21 1991-11-26 Rockwell International Corporation System and method for monitoring and reporting out-of-route mileage for long haul trucks
US5490079A (en) 1994-08-19 1996-02-06 Texas Instruments Incorporated System for automated toll collection assisted by GPS technology
WO1996007110A1 (fr) * 1994-09-01 1996-03-07 British Telecommunications Public Limited Company Systeme d'informations de navigation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0379198A2 (fr) * 1989-01-18 1990-07-25 Sharp Kabushiki Kaisha Système de navigation d'un objet mobile
US5068656A (en) * 1990-12-21 1991-11-26 Rockwell International Corporation System and method for monitoring and reporting out-of-route mileage for long haul trucks
US5490079A (en) 1994-08-19 1996-02-06 Texas Instruments Incorporated System for automated toll collection assisted by GPS technology
WO1996007110A1 (fr) * 1994-09-01 1996-03-07 British Telecommunications Public Limited Company Systeme d'informations de navigation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MAASS H: "Open mobility management platform with directory-based architecture and signalling protocols", 1998 IEEE OPEN ARCHITECTURES AND NETWORK PROGRAMMING (CAT. NO.98EX152), 1998 IEEE OPEN ARCHITECTURES AND NETWORK PROGRAMMING, SAN FRANCISCO, CA, USA, 3-4 APRIL 1998, 1998, New York, NY, USA, IEEE, USA, pages 72 - 87, XP002123965, ISBN: 0-7803-4783-8 *

Also Published As

Publication number Publication date
JP2002523785A (ja) 2002-07-30
DE19838902A1 (de) 2000-03-02
CA2307504A1 (fr) 2000-03-09
EP1049941A1 (fr) 2000-11-08

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