EP0644517A2 - Anordnung, Verfahren und Verwendung in einer mobilen Anlage - Google Patents

Anordnung, Verfahren und Verwendung in einer mobilen Anlage Download PDF

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Publication number
EP0644517A2
EP0644517A2 EP94850144A EP94850144A EP0644517A2 EP 0644517 A2 EP0644517 A2 EP 0644517A2 EP 94850144 A EP94850144 A EP 94850144A EP 94850144 A EP94850144 A EP 94850144A EP 0644517 A2 EP0644517 A2 EP 0644517A2
Authority
EP
European Patent Office
Prior art keywords
beacons
beacon
virtual
mobile
arrangement
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.)
Granted
Application number
EP94850144A
Other languages
English (en)
French (fr)
Other versions
EP0644517A3 (de
EP0644517B1 (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 in a mobile system, for example the RTI system relating to 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 an application and a method in the mobile 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.
  • virtual beacons are used as beacons which are in connection with at least one higher-level unit, in which said virtual beacon is represented preferably through the access telephone number and positions of the mobile units in the system.
  • the representations of the mobile units can be changed in the unit (the central unit) with a view to making possible removal, addition, changes in function and so forth of, or, respectively, in a respective beacon.
  • the said representation function is utilized in network planning of a beacon system. Different configurations of the 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 utilized in network planning for placing real beacons.
  • the said unit (NBLT) 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 arrangement is used both in network planning and penetration of both real and virtual beacon systems.
  • a unit (MBLT) which forms a higher-level unit for said virtual beacons is used for downloading data/information when the virtual beacon is exchanged for a real beacon.
  • the invention proposed above provides possibilities for simulating a beacon network by placing out virtual beacons and storing their positions in a memory in a higher-level unit. Such an arrangement and application is superior to earlier network planning methods in which there are difficulties in implementing empirical experience in a cost effective way and in which mistakes can easily be made.
  • the coverage system for a short-range communications system for example the already well known RTI system, is specified by 1. Since the system as such is assumed to be already known, it will not be described here in its configuration or function.
  • the system is provided with a number of beacons which have the form of so-called virtual or apparent beacons (radio beacons) VB in Figure 1.
  • beacons which have the form of so-called virtual or apparent beacons (radio beacons) VB in Figure 1.
  • mobile units or vehicles M1 are moving. A number of such vehicles are moving within the area and, when passing a respective beacon VB, an information exchange occurs between a respective mobile unit and a respective virtual beacon. The information or data exchanged can thereby be associated with the traffic situation.
  • a respective VB reports, to a respective mobile unit which is passing, on the traffic situation, at least in the closest surrounding area.
  • 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.
  • changes of the virtual beacons can be carried out in the unit MBLT. Beacons can be added, removed and possibly changed in their function.
  • This changeability in the representation in the MBLT unit is advantageously used in planning beacon-oriented systems. Configurations, one of which is shown in Figure 1, can be introduced in the system and tested in practice, for example due to the fact or with the aid of the fact that vehicles M1 are allowed to move in the coverage area. Such a practical testing can be suitably carried out with low traffic. With high traffic or normal traffic, the planning or fine-tuning can be done with the aid of network traffic statistics.
  • the virtual beacons VB can be exchanged for real beacons RB according to Figure 2.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Traffic Control Systems (AREA)
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
SE9302982 1993-09-14
SE9302982A SE9302982L (sv) 1993-09-14 1993-09-14 Anordning, förfarande och användning vid mobilsystem

Publications (3)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6745036B1 (en) 1998-12-19 2004-06-01 Koninklijke Philips Electronics N.V. Location beacon system
EP1642801A1 (de) * 2004-09-30 2006-04-05 Alstom Belgium S.A. Vorrichtung und Methode zur Signalisierung für Eisenbahnfahrzeuge

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0242099A2 (de) * 1986-04-09 1987-10-21 Advanced Strategics, Inc. Diebstahlsicherungs- und Positionbestimmungssystem
EP0501058A2 (de) * 1991-01-17 1992-09-02 Highwaymaster Communications, Inc. Verfahren und Vorrichtung zum Kommunizieren und Orten von einem Fahrzeug
US5173710A (en) * 1991-08-15 1992-12-22 Terrapin Corporation Navigation and positioning system and method using uncoordinated beacon signals

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0242099A2 (de) * 1986-04-09 1987-10-21 Advanced Strategics, Inc. Diebstahlsicherungs- und Positionbestimmungssystem
EP0501058A2 (de) * 1991-01-17 1992-09-02 Highwaymaster Communications, Inc. Verfahren und Vorrichtung zum Kommunizieren und Orten von einem Fahrzeug
US5173710A (en) * 1991-08-15 1992-12-22 Terrapin Corporation Navigation and positioning system and method using uncoordinated beacon signals

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PROCEEDINGS OF THE VEHICLE NAVIGATION AND INFORMATION SYSTEMS CONFERENCE, DEARBORN, OCT. 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" *
VTC 1994. 'CREATING TOMORROW'S MOBILE SYSTEMS'. 1994 IEEE 44TH VEHICULAR TECHNOLOGY CONFERENCE (CAT. NO.94CH3438-9), PROCEEDINGS OF IEEE VEHICULAR TECHNOLOGY CONFERENCE (VTC), vol. 1, 8 - 10 June 1994, STOCKHOLM, SWEDEN, pages 396-400, XP002001654 WICHTEL E ; AKKE M ; ANDERSSON T : "Virtual beacons for RTI/IVHS data distribution " *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6745036B1 (en) 1998-12-19 2004-06-01 Koninklijke Philips Electronics N.V. Location beacon system
EP1642801A1 (de) * 2004-09-30 2006-04-05 Alstom Belgium S.A. Vorrichtung und Methode zur Signalisierung für Eisenbahnfahrzeuge

Also Published As

Publication number Publication date
EP0644517A3 (de) 1996-06-26
DE69427329D1 (de) 2001-07-05
SE9302982L (sv) 1995-03-15
DE69427329T2 (de) 2002-01-03
SE9302982D0 (sv) 1993-09-14
EP0644517B1 (de) 2001-05-30

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