EP0644517B1 - Anordnung und Verfahren zur Planung und Test einer RTI Anlage - Google Patents

Anordnung und Verfahren zur Planung und Test einer RTI Anlage Download PDF

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Publication number
EP0644517B1
EP0644517B1 EP19940850144 EP94850144A EP0644517B1 EP 0644517 B1 EP0644517 B1 EP 0644517B1 EP 19940850144 EP19940850144 EP 19940850144 EP 94850144 A EP94850144 A EP 94850144A EP 0644517 B1 EP0644517 B1 EP 0644517B1
Authority
EP
European Patent Office
Prior art keywords
beacons
beacon
mblt
testing
vehicles
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.)
Expired - Lifetime
Application number
EP19940850144
Other languages
English (en)
French (fr)
Other versions
EP0644517A3 (de
EP0644517A2 (de
Inventor
Erik Wichtel
Torbjörn Andersson
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.)
Telia AB
Original Assignee
Telia AB
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 Telia AB filed Critical Telia AB
Publication of EP0644517A2 publication Critical patent/EP0644517A2/de
Publication of EP0644517A3 publication Critical patent/EP0644517A3/de
Application granted granted Critical
Publication of EP0644517B1 publication Critical patent/EP0644517B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
    • G08G1/096783—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is a roadside individual element
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096708—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control
    • G08G1/096716—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control where the received information does not generate an automatic action on the vehicle control
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096733—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place
    • G08G1/096758—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place where no selection takes place on the transmitted or the received information

Definitions

  • the present invention relates to an arrangement devised for nerwork planning and configuration testing for an RTI system, which system is devised to provide short-range communication where mobile units or vehicles move within the coverage area of the system and where beacons (radio beacons) are arranged to communicate with the mobile units for obtaining and delivering information from and respectively to the mobile units for determining traffic situations in systems in the coverage area.
  • the invention also relates to a method devised for nerwork planning and configuration testing for an RTI system.
  • European specification 320,913 a method for locating a mobile telephone is described.
  • the fixed base stations send out identity signals and precise time pulses from their fixed locations. Signal transmission is carried out either as a response to an interrogation signal from the mobile or automatically at predetermined time intervals.
  • the mobile unit can utilize internally stored tables of positions of the fixed base stations in calculating its own position.
  • the known method is intended to be used for monitoring and controlling vehicle traffic. The method means that high costs for setting up a new fresh infrastructure for traffic monitoring can be avoided.
  • the system consists of a portable locating unit which can be used both as mobile telephone and for global positioning.
  • the unit has a receiver for receiving signals from a global positioning system and circuits for calculating the position.
  • the position thus obtained is then transmitted to the central unit via a mobile telephone system.
  • the central unit there is a capability for correlating the position obtained with a stored digital map for placing the users at their current location on the map.
  • beacon placements can be tested in connection with network planning of a beacon system in question. Trials can be started in dependence on the selected configurations and the result of the trial or test can be utilised in network planning for placing real beacons.
  • Road Transport Informatics (RTI) systems using beacons are well known. A review of some of the major characteristics of these systems is discussed in discussed in Proceedings of the Vehicle Navigation and Information Systems Conference, Dearborn, October 20-23, 1991, vol. Part 2, 1 October 1991, Institute of Electrical and Electronics Engineers, pages 923-928, XP000357197; Wall N: "Integrated Communications Architecture for Road Transport Informatics", page 924, section 2.2.
  • the said unit In an exchange of a virtual beacon for a real beacon, the said unit (MBLT) is arranged to make possible the execution of downloading to the real beacon which replaces the earlier virtual beacon of data which can be associated with the virtual beacon.
  • the configurations of the beacon placements can be tested in practice with the aid of test runs with vehicles in the system, which is a suitable way especially in a system with little load. Tests can also be carried out with the aid of network and traffic statistics, which is preferably done with high traffic.
  • the invention also relates to a method for network planning and configuration testing for an RTI system, using virtual beacons represented in the higher-level unit (MBLT), which unit is devised for downloading data/information when the virtual beacon is exchanged for a real beacon.
  • the mobile unit M1 in turn reports on the traffic situation or road situation on the route which it has last travelled through.
  • a said virtual beacon is represented in a higher-level unit MBLT (Master Beacon Location Table) included in the system.
  • the virtual beacons are represented through their access telephone numbers and positions.
  • the representation can also include second or alternative information.
  • Figure 2 relates to a corresponding mobile system 1' in which mobile units M1' move in a corresponding manner and real beacons RB are arranged in a manner corresponding to the virtual beacons.
  • the said position information and telephone access numbers are in this case stored in a respective beacon.
  • all beacons within the coverage area can be controlled at least to a certain degree from a higher-level unit E which, however, does not have the same task as the MBLT unit mentioned above.
  • the exchange can be carried out in such a manner that all or some of the virtual beacons are replaced by real beacons.
  • a beacon system according to Figure 2 can be fine-tuned by random introduction of virtual beacons and so forth. In this manner, empirical tests can be carried out in a virtual environment which surpasses all forms of simulation and is cost-effective compared with the costs for real empirical tests.
  • the unit On exchange of a virtual beacon VB for a real beacon RB, the unit is intended to download the information to the real beacon RB when the exchange has taken place.

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  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Traffic Control Systems (AREA)

Claims (3)

  1. Anordnung zur Netzplanung und Konfigurationsprüfung für ein RTI-System, welches für Kommunikation im Nahbereich ausgelegt ist und in dem Mobileinheiten (M1) oder Fahrzeuge innerhalb des Abdeckungsbereiches (1) des Systems sich bewegen und wobei Baken, zum Beispiel Funkbaken, vorgesehen sind, um mit den Mobileinheiten zu kommunizieren, um Information über den Verkehr innerhalb des Abdeckungsgebietes zu liefern oder einzuholen, wobei die Anordnung dadurch gekennzeichnet ist, daß sie eine zentrale übergeordnete Einheit (MBLT) aufweist, in der die Baken durch gespeicherte Daten repräsentiert sind, die Daten über deren Positionen und Zugriffs- Telefonnummern umfassen, wobei die Anordnung die Möglichkeit bietet, Baken hinzuzufügen, zu enfernen oder zu ändern durch Änderung der gespeicherten Daten in der übergeordneten Einheit (MBLT).
  2. Verfahren zur Netzplanung und Konfigurationsprüfung für ein RTI-System, welches für Kommunikation im Nahbereich ausgelegt ist, und in dem Mobileinheiten (M1) oder Fahrzeuge innerhalb des Abdeckungsbereiches (1) des Systems sich bewegen und wobei Baken, zum Beispiel Funkbaken, vorgesehen sind, um mit den Mobileinheiten zu kommunizieren, um Information über den Verkehr innerhalb des Abdeckungsgebietes zu liefern oder einzuholen, wobei die Anordnung dadurch gekennzeichnet ist, durch
    Darstellung der Baken in einer zentralen übergeordneten Einheit (MBLT) durch
    Speichern von Daten über die Baken, einschließlich Daten über deren Positionen und Zugriffs- Telefonnummern, in der übergeordneten Einheit (MBLT), mit der Möglichkeit des
    Hinzufügens, Enfernens oder Änderns von Baken durch
    Ändern der gespeicherten Daten in der übergeordneten Einheit (MBLT), mit der sich ergebenden Möglichkeit des
    Testens einer Systemkonfiguration.
  3. Verfahren nach Anspruch 2, bei dem
    das Testen von Bakenplazierungen in einer Systemkonfiguration erfolgt durch
    Testläufe von Fahrzeugen in dem System, wobei die Fahrzeuge
    beim Durchlauf durch die Baken mit diesen kommunizieren.
EP19940850144 1993-09-14 1994-08-29 Anordnung und Verfahren zur Planung und Test einer RTI Anlage Expired - Lifetime EP0644517B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9302982A SE9302982L (sv) 1993-09-14 1993-09-14 Anordning, förfarande och användning vid mobilsystem
SE9302982 1993-09-14

Publications (3)

Publication Number Publication Date
EP0644517A2 EP0644517A2 (de) 1995-03-22
EP0644517A3 EP0644517A3 (de) 1996-06-26
EP0644517B1 true EP0644517B1 (de) 2001-05-30

Family

ID=20391084

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19940850144 Expired - Lifetime EP0644517B1 (de) 1993-09-14 1994-08-29 Anordnung und Verfahren zur Planung und Test einer RTI Anlage

Country Status (3)

Country Link
EP (1) EP0644517B1 (de)
DE (1) DE69427329T2 (de)
SE (1) SE9302982L (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9827989D0 (en) 1998-12-19 1999-02-10 Koninkl Philips Electronics Nv Location beacon system
EP1642801A1 (de) * 2004-09-30 2006-04-05 Alstom Belgium S.A. Vorrichtung und Methode zur Signalisierung für Eisenbahnfahrzeuge

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1277400C (en) * 1986-04-09 1990-12-04 Uri Rapoport Anti-theft and locating system
US5155689A (en) * 1991-01-17 1992-10-13 By-Word Technologies, Inc. Vehicle locating and communicating method and apparatus
US5173710A (en) * 1991-08-15 1992-12-22 Terrapin Corporation Navigation and positioning system and method using uncoordinated beacon signals

Also Published As

Publication number Publication date
SE9302982L (sv) 1995-03-15
SE9302982D0 (sv) 1993-09-14
DE69427329D1 (de) 2001-07-05
EP0644517A3 (de) 1996-06-26
DE69427329T2 (de) 2002-01-03
EP0644517A2 (de) 1995-03-22

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