EP0921511A2 - Procédé de transmission de données de position - Google Patents

Procédé de transmission de données de position Download PDF

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Publication number
EP0921511A2
EP0921511A2 EP98440269A EP98440269A EP0921511A2 EP 0921511 A2 EP0921511 A2 EP 0921511A2 EP 98440269 A EP98440269 A EP 98440269A EP 98440269 A EP98440269 A EP 98440269A EP 0921511 A2 EP0921511 A2 EP 0921511A2
Authority
EP
European Patent Office
Prior art keywords
vehicles
position data
memories
time
established
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
EP98440269A
Other languages
German (de)
English (en)
Other versions
EP0921511B1 (fr
EP0921511A3 (fr
Inventor
Wolfgang Grande
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.)
Alcatel Lucent SAS
Nokia Inc
Original Assignee
Alcatel SA
Nokia Inc
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 Alcatel SA, Nokia Inc filed Critical Alcatel SA
Publication of EP0921511A2 publication Critical patent/EP0921511A2/fr
Publication of EP0921511A3 publication Critical patent/EP0921511A3/fr
Application granted granted Critical
Publication of EP0921511B1 publication Critical patent/EP0921511B1/fr
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
    • G08G1/123—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams
    • G08G1/127—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams to a central station ; Indicators in a central station

Definitions

  • the invention relates to a method for transmitting position data from Vehicles to a control center according to the preamble of claim 1.
  • Accurate position data is primarily needed to ensure schedule conformity monitor and control stop displays, which is the expected waiting time until the vehicles arrive signal. For this purpose, they are especially odometric, using radio beacons or position data determined using GPS (Global Positioning System) the vehicles are queried successively and cyclically by a control center.
  • GPS Global Positioning System
  • the time delay between the individual queries creates a bias error, the one of the first polled vehicle during the Corresponds to the time period of a query cycle and corresponds to approx. 0 for the last queried vehicle. It means that in the central office the impression can arise that those queried first Vehicles have greater delays than the vehicles last polled exhibit. Depending on the size of the vehicle fleet, this can be for one Query cycle time required more than half a minute.
  • the invention has for its object the distortion error on simple Way and for any size of vehicle fleet, in particular also to be avoided in the event of an expansion of the vehicle fleet.
  • the object is characterized by the characteristic features of claim 1 solved. It is particularly advantageous that the cyclical query the position data can be retained by the control center. Yet the cyclical successive query results in a snapshot, the the actual relationships of the positions of the vehicles to each other. The simultaneously determined and in are queried position data written in a memory. The mistake that gets through the duration of a query cycle is the same for all vehicles. This allows a correction to be carried out in a simple manner. For example, after each polling cycle, the position data of vehicles that are not about to stop or at the stop, add a distance of 200 m become. This distance corresponds to the average distance during the distance traveled for the query cycle.
  • the memories are preferably rewritable Data storage of small storage capacity and simplest design.
  • a series of vehicles F 1 , F 2 ... F n is shown , the number n of which forms a vehicle fleet which is monitored by a control center Z.
  • Central Z serves, among other things, to transmit schedule and rerouting information as well as DGPS (Differential Global Positioning System) correction data to the vehicles.
  • DGPS Different Global Positioning System
  • the data available in the central office Z are also increasingly being used to control stop displays (not shown) for visualizing the remaining waiting time until the next vehicle F 1 , F 2 ... F n arrives. For these applications it is necessary to know exact and time-conforming position data of the individual vehicles F 1 , F 2 ... F n .
  • the central station Z asks for this position data in a polling process, that is to say the position data of the same point in time of the vehicles F 1, F 2 ... F n are transmitted to the central station Z one after the other. So that all vehicles F 1 , F 2 ... F n report their position data to the central station Z at the same time, each vehicle F 1 , F 2 ... F n has a memory S 1 , S 2 ... S n fitted.
  • the polling method has access to these memories S 1 , S 2 ... S n .
  • / x n , y n are sent to the control center at the same time t 1 for all vehicles F 1 , F 2 ... F n Z reported.
  • This fixed point in time t 1 can be realized, for example, in that the control center Z sends a trigger signal to all vehicles F 1 , F 2 ... F n immediately before the start of the next polling cycle, which leads to a current position determination by the vehicles F 1 , F 2 ... F n is activated.
  • odometric methods in which the wheel axis revolutions are evaluated, radio beacon methods or GPS or DGPS methods (global positioning system or differential global positioning system) are used for determining the position. If the vehicles F 1 , F 2 ...
  • F n are equipped with GPS or DPGS receivers
  • the derived system time which is absolutely the same for all GPS or DGPS receivers, can be used to determine a regular position determination Intervals are used.
  • the time intervals are matched to the length of the polling cycle and correspond exactly to the interval between two polling cycles.
  • the activation method described above can be used by means of a trigger signal that is generated by the control center Z. This also has the advantage that the distance between two polling cycles does not necessarily have to be constant.
  • a current image can be interpolated in a simple manner, for all vehicles F 1 , F 2 ... F n , the probably unimpeded free travel ahead have, the average distance covered in the time difference ⁇ t is added to the position data.
  • ⁇ t const. there is a fixed addition value.
  • traffic-related or route-related peculiarities for example traffic congestion or stop area, can be taken into account.
  • the invention is not limited to the exemplary embodiment specified above. Rather, a number of variants are conceivable, which even if the features are fundamentally different make use of the invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Communication Control (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
EP98440269A 1997-12-04 1998-11-20 Procédé de transmission de données de position Expired - Lifetime EP0921511B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19753741A DE19753741A1 (de) 1997-12-04 1997-12-04 Verfahren zur Übermittlung von Positionsdaten
DE19753741 1997-12-04

Publications (3)

Publication Number Publication Date
EP0921511A2 true EP0921511A2 (fr) 1999-06-09
EP0921511A3 EP0921511A3 (fr) 2000-07-05
EP0921511B1 EP0921511B1 (fr) 2004-01-02

Family

ID=7850682

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98440269A Expired - Lifetime EP0921511B1 (fr) 1997-12-04 1998-11-20 Procédé de transmission de données de position

Country Status (3)

Country Link
EP (1) EP0921511B1 (fr)
AT (1) ATE257266T1 (fr)
DE (2) DE19753741A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001046934A1 (fr) * 1999-12-21 2001-06-28 Zakrytoe Aktsionernoe Obschestvo 'east Line-Handling' Localisation en temps reel de vehicules terrestres situes sur des aeroports
WO2003075588A1 (fr) 2002-03-01 2003-09-12 Multicom Security Ab Procede, systeme, dispositif radio, programme informatique et carte sim pour surveillance de chemin d'alarme
US7266376B2 (en) 2000-11-13 2007-09-04 Sharp Kabushiki Kaisha Method and device for providing information related to activity of user
CN102129078A (zh) * 2010-01-20 2011-07-20 厦门雅迅网络股份有限公司 上传车辆定位数据的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1595183A (fr) * 1968-12-06 1970-06-08
US3644883A (en) * 1969-12-29 1972-02-22 Motorola Inc Automatic vehicle monitoring identification location alarm and voice communications system
US3697941A (en) * 1971-07-01 1972-10-10 Devenco Inc Vehicle location system and method
DE3932029A1 (de) * 1988-12-15 1990-06-28 Sven Dipl Ing Haase Anlage zur positionserkennung von fahrzeugen innerhalb eines ueberwachungsgebietes
US6144916A (en) * 1992-05-15 2000-11-07 Micron Communications, Inc. Itinerary monitoring system for storing a plurality of itinerary data points
GB2299695B (en) * 1995-04-07 1998-12-02 Centrepoint Technology Limited Vehicle security systems
US5691980A (en) * 1995-06-07 1997-11-25 General Electric Company Local communication network for power reduction and enhanced reliability in a multiple node tracking system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001046934A1 (fr) * 1999-12-21 2001-06-28 Zakrytoe Aktsionernoe Obschestvo 'east Line-Handling' Localisation en temps reel de vehicules terrestres situes sur des aeroports
SG96582A1 (en) * 1999-12-21 2003-06-16 Zakrytoye Aktsionernoye Obsche The technique of real-time tracking and management of land-based vehicles of the airport
US7266376B2 (en) 2000-11-13 2007-09-04 Sharp Kabushiki Kaisha Method and device for providing information related to activity of user
WO2003075588A1 (fr) 2002-03-01 2003-09-12 Multicom Security Ab Procede, systeme, dispositif radio, programme informatique et carte sim pour surveillance de chemin d'alarme
CN102129078A (zh) * 2010-01-20 2011-07-20 厦门雅迅网络股份有限公司 上传车辆定位数据的方法
CN102129078B (zh) * 2010-01-20 2013-05-22 厦门雅迅网络股份有限公司 上传车辆定位数据的方法

Also Published As

Publication number Publication date
EP0921511B1 (fr) 2004-01-02
ATE257266T1 (de) 2004-01-15
DE19753741A1 (de) 1999-06-10
DE59810527D1 (de) 2004-02-05
EP0921511A3 (fr) 2000-07-05

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