EP0927411B1 - Method of determining traffic data by means of mobile radio telephones - Google Patents

Method of determining traffic data by means of mobile radio telephones Download PDF

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Publication number
EP0927411B1
EP0927411B1 EP97944724A EP97944724A EP0927411B1 EP 0927411 B1 EP0927411 B1 EP 0927411B1 EP 97944724 A EP97944724 A EP 97944724A EP 97944724 A EP97944724 A EP 97944724A EP 0927411 B1 EP0927411 B1 EP 0927411B1
Authority
EP
European Patent Office
Prior art keywords
information
decentralized
central unit
data
function
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
EP97944724A
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German (de)
French (fr)
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EP0927411A1 (en
Inventor
Bernd Guenther
Roland KÜNZEL
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.)
Telekom Deutschland GmbH
Original Assignee
DeTeMobil Deutsche Telekom Mobilnet GmbH
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Application filed by DeTeMobil Deutsche Telekom Mobilnet GmbH filed Critical DeTeMobil Deutsche Telekom Mobilnet GmbH
Publication of EP0927411A1 publication Critical patent/EP0927411A1/en
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Publication of EP0927411B1 publication Critical patent/EP0927411B1/en
Anticipated expiration legal-status Critical
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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/008—Registering or indicating the working of vehicles communicating information to a remotely located station

Definitions

  • the invention relates to a method for recording traffic data, where a mobile communication system is used which is both for the transmission of information as well as for location determination.
  • WO-A-96/25830 discloses a position determination system for a mobile station of a cellular cellular network the position of the mobile station by evaluating cells characterizing information and runtime measurements is determined.
  • GB-A-2 273 424 describes a method for carrying it out known a hand-off in a cellular mobile radio system, being based on cells received from the mobile station characterizing information of the whereabouts of the Mobile station and thus the time for a cell change the hand-off is estimated and when the cell limit is reached is initiated.
  • the object of the invention is the vehicle-side effort to minimize and in particular an inexpensive solution to be specified for mass applications.
  • the advantage of the invention is that in the terminals a very little effort has to be made to become one to achieve attractive results for mass applications.
  • the end device in the vehicle requires a mobile communication module, however no position determination module (e.g. a GPS receiver). Other requirements are a Timekeeping and a memory module.
  • the communication module books itself into the Cellular network.
  • the Cell identifiers and other radio parameters received and evaluated.
  • the transition from one cell to the other next is based on the cell identifiers and the Transition time recorded.
  • the transfer of the recorded data to the head office takes place after certain rules, such as availability, Capacity of the mobile communication medium or time and Route criteria, distance traveled, past time since last message etc.
  • the radio network in the head office reconstructed using a map. From the sequence of the Cell change and the associated time stamps as well as the Knowledge of the spatial extent of the radio cells can continue to determine the speed of the vehicle. Taking into account other features of the radio network, such as the identifiers of the neighboring radio cells whose Signal transit times, their signal strengths, their Signal qualities, will be more accurate and reliable Pathway reconstruction enabled.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Traffic Control Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Abstract

A method for acquiring traffic data from vehicles equipped with at least one decentralized unit having at least one function for mobile communication a second function for obtaining time information and a third function for data storage. At least one central unit with control functions and processing functions assigned to a plurality of decentralized units, wherein decentralized unit receives and evaluates information characterizing radio cells, and other technical radio and transmission information and information which characterizes cell changeover is recorded together with time stamps.

Description

Die Erfindung betrifft ein Verfahren zur Verkehrdatenerfassung, bei dem ein Mobilkommunikationssystem eingesetzt wird, welches sowohl für die Übertragung von Informationen als auch zur Ortsermittlung eingesetzt wird.The invention relates to a method for recording traffic data, where a mobile communication system is used which is both for the transmission of information as well as for location determination.

Es sind Verfahren zur Verkehrsdatenerfassung bekannt, die sich stationärer Erfassungssensorik bedienen. Ferner wurden erste Ansätze zur mobilen Verkehrsdatenerfassung mittels aufwendiger fahrzeugseitiger Einrichtungen, beispielsweise unter Zuhilfenahme von digitalen Karten, veröffentlicht.Methods for recording traffic data are known which use stationary detection sensors. Furthermore first approaches to mobile traffic data acquisition using complex on-board facilities, for example published with the help of digital maps.

Die WO-A-96/25830 offenbart ein Positionsbestimmungssystem für eine Mobilstation eines zellularen Mobilfunknetzes wobei die Position der Mobilstation durch Auswertung von Zellen charakterisierenden Informationen und Laufzeitmessungen bestimmt wird.WO-A-96/25830 discloses a position determination system for a mobile station of a cellular cellular network the position of the mobile station by evaluating cells characterizing information and runtime measurements is determined.

Aus der GB-A-2 273 424 ist ein Verfahren zur Durchführung eines hand-off in einem zellularen Mobilfunksystem bekannt, wobei anhand von der Mobilstation empfangenen, Zellen charakterisierenden Informationen der Aufenthaltsort der Mobilstation und damit der Zeitpunkt für einen Zellwechsel geschätzt wird und bei erreichen der Zellgrenze der hand-off eingeleitet wird.GB-A-2 273 424 describes a method for carrying it out known a hand-off in a cellular mobile radio system, being based on cells received from the mobile station characterizing information of the whereabouts of the Mobile station and thus the time for a cell change the hand-off is estimated and when the cell limit is reached is initiated.

Aufgabe der Erfindung ist es, den fahrzeugseitigen Aufwand zu minimieren und insbesondere eine kostengünstige Lösung für Massenanwendungen anzugeben. The object of the invention is the vehicle-side effort to minimize and in particular an inexpensive solution to be specified for mass applications.

Die Aufgabe wird durch die Merkmale des Patentanspruchs 1 gelöst.The object is achieved by the features of patent claim 1 solved.

Vorteilhaft bei, der Erfindung ist es, daß in den Endgeräten ein sehr geringer Aufwand getrieben werden muß, um zu einem für Massenanwendungen attraktiven Ergebnis zu gelangen.The advantage of the invention is that in the terminals a very little effort has to be made to become one to achieve attractive results for mass applications.

Im folgenden wird ein Beispiel für die Umsetzung der Erfindungsidee beschrieben.The following is an example of the implementation of the Invention idea described.

Bei der Mobilen Verkehrsdatenerfassung über die Funkversorgungs-Geometrie eines zellularen Mobilfunknetzes benötigt das Endgerät im Fahrzeug ein Mobilkommunikationsmodul, jedoch kein Modul zur Positionsbestimmung (wie z. B einen GPS-Empfänger). Weitere Voraussetzungen sind ein Zeitmessungs- und ein Speichermodul.With mobile traffic data acquisition via the Radio supply geometry of a cellular mobile radio network the end device in the vehicle requires a mobile communication module, however no position determination module (e.g. a GPS receiver). Other requirements are a Timekeeping and a memory module.

Während der Fahrt bucht sich das Kommunikationsmodul in das Mobilfunknetz ein. Dabei werden u. a. die Zellidentifikatoren und andere funktechnische Parameter empfangen und ausgewertet. Der Übergang von einer Zelle zur nächsten wird anhand der Zellidentifikatoren und des Übergangszeitpunktes aufgezeichnet. Die Übertragung der aufgezeichneten Daten an die Zentrale erfolgt nach bestimmten Regeln, wie beispielsweise Verfügbarkeit, Kapazität des Mobilkommunikationsmediums bzw. Zeit- und Wegekriterien, zurückgelegter Weg, vergangene Zeit seit der letzten Meldung usw.During the journey, the communication module books itself into the Cellular network. Here u. a. the Cell identifiers and other radio parameters received and evaluated. The transition from one cell to the other next is based on the cell identifiers and the Transition time recorded. The transfer of the recorded data to the head office takes place after certain rules, such as availability, Capacity of the mobile communication medium or time and Route criteria, distance traveled, past time since last message etc.

Auf der Basis der vom Fahrzeug gesammelten Daten und der Kenntnis der Zellidentifikatoren sowie der Struktur des Funknetzes wird in der Zentrale der zurückgelegte Fahrweg anhand einer Karte rekonstruiert. Aus der Sequenz der Zellwechsel und den zugehörigen Zeitmarken sowie der Kenntnis der räumlichen Ausdehnung der Funkzellen kann weiterhin die Geschwindigkeit des Fahrzeugs bestimmt werden. Unter Berücksichtung weiterer Merkmale des Funknetzes, wie den Identifikatoren der benachbarten Funkzellen, deren Siganllaufzeiten, deren Signalstärken, deren Signalqualitäten, wird eine genauere und zuverlässigere Fahrwegrekonstruktion ermöglicht.Based on the data collected by the vehicle and the Knowledge of the cell identifiers and the structure of the The route covered is the radio network in the head office reconstructed using a map. From the sequence of the Cell change and the associated time stamps as well as the Knowledge of the spatial extent of the radio cells can continue to determine the speed of the vehicle. Taking into account other features of the radio network, such as the identifiers of the neighboring radio cells whose Signal transit times, their signal strengths, their Signal qualities, will be more accurate and reliable Pathway reconstruction enabled.

Die Erfindungsidee ist nicht auf das beschriebene Ausführungsbeispiel beschränkt, vielmehr werden ebenso alle Merkmale der Unteransprüche einzeln oder in beliebiger Kombination als dem Offenbarungsumfang dieser Patentanmeldung zugeordnet beansprucht.The inventive idea is not based on that described Embodiment limited, rather all are Features of the subclaims individually or in any Combination than the scope of this disclosure Assigned patent application claimed.

Claims (4)

  1. Method for collecting traffic data from vehicles, characterized in that each of these vehicles is equipped with at least one decentralized unit which has at least one function for mobile communication and a function for obtaining time information and for storing, wherein at least one central unit with control functions and processing functions is associated with a plurality of decentralized units, and in that, during travel, information characterizing the cells of a cellular mobile communication network and other technical radio and transmission information are received and evaluated by the decentralized unit, and in that information characterizing a change of cell is recorded together with time marks.
  2. Method according to Claim 1, characterized in that the data collected in the decentralized units is transmitted to a central unit, and in that from the information characterizing the cells and the radio service information relating to the cells this central unit correlates the transmitted data to geographical information about the road network and thus a reconstruction of the route of the vehicle is carried out.
  3. Method according to Claims 1 or 2, characterized in that time mark information from the data records transmitted to the central unit are evaluated with the aid of the reconstructed route to calculate variables which characterize the traffic flows along the route.
  4. Method according to Claim 1, characterized in that a mobile communications system is used to effect the transmission to the central unit of the data recorded in the decentralized units.
EP97944724A 1996-09-18 1997-09-18 Method of determining traffic data by means of mobile radio telephones Expired - Lifetime EP0927411B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19638070A DE19638070A1 (en) 1996-09-18 1996-09-18 Procedure for the acquisition of traffic data using mobile radio devices
DE19638070 1996-09-18
PCT/DE1997/002099 WO1998012683A1 (en) 1996-09-18 1997-09-18 Method of determining traffic data by means of mobile radio telephones

Publications (2)

Publication Number Publication Date
EP0927411A1 EP0927411A1 (en) 1999-07-07
EP0927411B1 true EP0927411B1 (en) 2000-06-21

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EP97944724A Expired - Lifetime EP0927411B1 (en) 1996-09-18 1997-09-18 Method of determining traffic data by means of mobile radio telephones

Country Status (12)

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US (1) US6230011B1 (en)
EP (1) EP0927411B1 (en)
CN (1) CN100527187C (en)
AT (1) ATE194038T1 (en)
AU (1) AU4615297A (en)
CA (1) CA2266417C (en)
CZ (1) CZ290367B6 (en)
DE (2) DE19638070A1 (en)
DK (1) DK0927411T3 (en)
ES (1) ES2149615T3 (en)
PL (1) PL184462B1 (en)
WO (1) WO1998012683A1 (en)

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Also Published As

Publication number Publication date
PL332238A1 (en) 1999-08-30
EP0927411A1 (en) 1999-07-07
DE59701919D1 (en) 2000-07-27
WO1998012683A1 (en) 1998-03-26
PL184462B1 (en) 2002-11-29
DK0927411T3 (en) 2000-10-16
CA2266417A1 (en) 1998-03-26
AU4615297A (en) 1998-04-14
US6230011B1 (en) 2001-05-08
CN1231044A (en) 1999-10-06
ES2149615T3 (en) 2000-11-01
CN100527187C (en) 2009-08-12
CA2266417C (en) 2006-05-23
CZ290367B6 (en) 2002-07-17
ATE194038T1 (en) 2000-07-15
CZ95999A3 (en) 1999-08-11
DE19638070A1 (en) 1998-03-19

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