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DE3827352C2 - Method for determining the current location of a mobile radio station - Google Patents

Method for determining the current location of a mobile radio station

Info

Publication number
DE3827352C2
DE3827352C2 DE19883827352 DE3827352A DE3827352C2 DE 3827352 C2 DE3827352 C2 DE 3827352C2 DE 19883827352 DE19883827352 DE 19883827352 DE 3827352 A DE3827352 A DE 3827352A DE 3827352 C2 DE3827352 C2 DE 3827352C2
Authority
DE
Germany
Prior art keywords
radio station
mobile radio
data telegrams
fixed
current location
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
DE19883827352
Other languages
German (de)
Other versions
DE3827352A1 (en
Inventor
Wolfgang Dipl Ing Rosenegger
Juergen Dipl Ing Dr Wazeck
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.)
Siemens AG
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to DE19883827352 priority Critical patent/DE3827352C2/en
Publication of DE3827352A1 publication Critical patent/DE3827352A1/en
Application granted granted Critical
Publication of DE3827352C2 publication Critical patent/DE3827352C2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/14—Determining absolute distances from a plurality of spaced points of known location
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Mobile Radio Communication Systems (AREA)

Description

Die Erfindung betrifft ein Verfahren nach dem Oberbegriff des Anspruchs 1.The invention relates to a method according to the preamble of Claim 1.

Stand der TechnikState of the art

Es ist ein derartiges Verfahren bekannt (Funkschau, 1986, Heft 2, Seiten 43 bis 48), welches jedoch den Nachteil aufweist, daß das Ergebnis der Standortbestimmung grundsätzlich der ortsfesten Funk­ station vorliegt. Der mobile Funkteilnehmer kann somit nicht ver­ hindern, daß sein Aufenthaltsort unerwünschten Personen mitgeteilt wird. Darüber hinaus ist der technische Aufwand auf der Seite der ortsfesten Funkstationen verhältnismäßig hoch.Such a method is known (Funkschau, 1986, Issue 2, Pages 43 to 48), which however has the disadvantage that the The result of the location determination is basically the fixed radio station is present. The mobile radio subscriber can therefore not ver prevent his whereabouts from being communicated to unwanted people becomes. In addition, the technical effort is on the side of the Fixed radio stations are relatively high.

Aufgabetask

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren der gattungsgemäßen Art derart weiterzubilden, daß der technische Auf­ wand für die Realisierung des Verfahrens möglichst gering ist und daß der mobile Funkteilnehmer selbst entscheiden kann, ob sein augenblicklicher Standort einer ortsfesten Funkstation mitgeteilt wird oder nicht. The invention has for its object a method of Generic type in such a way that the technical on wall for implementing the method is as small as possible and that the mobile radio subscriber can decide whether to be current location communicated to a fixed radio station will or not.  

Lösungsolution

Die Aufgabe wird erfindungsgemäß bei einem gattungsgemäßen Verfahren durch die kenn­ zeichnenden Merkmale des Anspruchs 1 gelöst. Die mit der Erfindung erzielbaren Vorteile bestehen insbesondere darin, daß der technische Aufwand auf der Seite der ortsfesten Funkstationen und der mobilen Funkstationen verhältnismäßig gering ist, und daß der mobile Funk­ teilnehmer selbst entscheiden kann, ob der bei ihm ermittelte Stand­ ort einer ortsfesten Station mitgeteilt wird oder nicht. Schließlich kann der mobile Funkteilnehmer noch bestimmen, ob er überhaupt die Option "Standortermittlung" wünscht. Verzichtet er darauf, dann wird er auch nicht mit den Kosten für die technischeAusrüstung für die Standortbestimmung belastet.The object is achieved in a generic method by the Drawing features of claim 1 solved. The one with the invention Achievable advantages are in particular that the technical Effort on the side of the fixed radio stations and the mobile Radio stations is relatively small, and that the mobile radio Participant can decide for himself whether the status determined by him location is communicated to a fixed station or not. Finally the mobile radio subscriber can still determine whether he has the Option "location determination" wishes. If he renounces it, then he will he also does not bear the cost of the technical equipment for the Location determination charged.

Eine bevorzugtes Anwendungsgebiet für das erfindungsgemäße Verfahren ist das OemL-Netz C der Deutschen Bundespost.A preferred area of application for the method according to the invention is the OemL network C of the Deutsche Bundespost.

Beschreibung eines AusführungsbeispielsDescription of an embodiment

Ein Ausführungsbeispiel ist in der Zeichnung anhand mehrerer Figuren dargestellt und wird im folgenden näher erläutert. Es zeigenAn embodiment is in the drawing based on several figures shown and is explained in more detail below. Show it

Fig. 1 einen Ausschnitt aus einem in Funkzellen aufgeteilten Funknetz, Fig. 1 a section of a divided radio cells in the radio network,

Fig. 2 den zeitlichen Ablauf der Aussendung von Datentelegrammen der ortsfesten Funkstationen und Fig. 2 shows the timing of the transmission of data telegrams from the fixed radio stations and

Fig. 3 den zeitlichen Verlauf des Empfangs der Datentelegramme nach Fig. 2. Fig. 3 shows the time course of the reception of the data telegrams of FIG. 2.

Das in Fig. 1 nur ausschnittweise dargestellte Funknetz umfaßt meh­ rere Funkzellen Z1 . . . Z5. Zu jeder Funkzelle gehört eine ortsfeste Funksende- und -empfangsstation, im folgenden ortsfeste Funkstation F1 . . . F5 genannt. Innerhalb des Funknetzes operieren mobile Funk­ sende- und -empfangsstationen, im folgenden mobile Funkstationen genannt, von denen in Fig. 1 nur eine mobile Funkstation M gezeigt ist, die sich angenommenerweise gerade in der Funkzelle Z1 aufhält.The radio network shown only in sections in Fig. 1 comprises several radio cells Z1. . . Z5. Each radio cell has a fixed radio transmission and reception station, hereinafter referred to as a fixed radio station F1. . . Called F5. Mobile radio transmitting and receiving stations operate in the radio network, hereinafter referred to as mobile radio stations, of which only one mobile radio station M is shown in FIG .

Zwecks Ermittlung des augenblicklichen Standortes der mobilen Funk­ station M werden folgende Maßnahmen ergriffen.To determine the current location of the mobile radio station M the following measures are taken.

Die ortsfesten Funkstationen F1 . . . F5 senden nach einem Zeitschlitz­ verfahren mit vorgegebenem Zeitrahmen zu festen Zeitpunkten tg1, tg2 . . . tgn periodisch Datentelegramme DF1, DF2 . . . DFn aus; vgl. Fig. 2. Diese Datentelegramme sind für jede ortsfeste Funkstation F1, F2 . . . individuell gekennzeichnet.The fixed radio stations F1. . . F5 transmit according to a time slot with a predetermined time frame at fixed times t g1 , t g2 . . . t gn periodic data telegrams D F1 , D F2 . . . D Fn off; see. Fig. 2. These data telegrams are for each fixed radio station F1, F2. . . individually marked.

Jede Mobilstation, zum Beispiel M, enthält einen mit ihrem Empfangs­ teil E verbundenen Datentelegrammauswerter A sowie, falls die mobile Funkstation mit Mitteln zur Standortermittlung ausgerüstet ist, einen Rechner C. Zu dem Rechner C gehört auch ein elektronischer Speicher, in welchem die Standorte aller ortsfesten Funkstationen zusammen mit ihren individuellen Kennzeichen tabellarisch abgespeichert sind.Each mobile station, for example M, contains one with its reception Part E connected data telegram evaluator A and, if the mobile Radio station is equipped with means for determining location, one Computer C. Computer C also includes an electronic memory, in which the locations of all fixed radio stations together with their individual characteristics are stored in a table.

Empfängt die mobile Funkstation M zu einem Zeitpunkt t₁ (Fig. 3) ein Datentelegramm DF1 der ersten ortsfesten Funkstation F1, so entspricht die zeitliche Differenz zwischen den Zeitpunkten t₁ und tg1 der Lauf­ zeitdifferenz Δt1, mit der das zum Zeitpunkt tg1 ausgesendete Daten­ telegramm DF1 bei der mobilen Funkstation M eintrifft. Das von der mo­ bilen Funkstation M empfangene Datentelegramm DF1 wird in dem Speicher des Rechners gespeichert. Empfängt die mobile Funkstation M anschlie­ ßend zum Beispiel ein Datentelegramm DF2 der ortsfesten Funkstation F2 und danach ein Datentelegramm DF3 der ortsfesten Funkstation F3, so weisen auch diese Datentelegramme je eine Laufzeitdifferenz Δt2, Δt3 gegenüber den Zeitpunkten tg2 und tg3 der Aussendung der Datentele­ gramme auf, wobei wegen der verschiedenen Abstände der ortsfesten Funk­ stationen von der mobilen Funkstation M Δt2 < Δt1 und Δt3 < Δt2 ist. Receives the mobile radio station M at a time t 1 ( Fig. 3) a data telegram D F1 of the first fixed radio station F1, the time difference between the times t 1 and t g1 corresponds to the running time difference Δt1 with which the data transmitted at the time t g1 telegram D F1 arrives at the mobile radio station M. The data telegram D F1 received by the mobile radio station M is stored in the memory of the computer. If the mobile radio station M subsequently receives, for example, a data telegram D F2 from the fixed radio station F2 and then a data telegram D F3 from the fixed radio station F3, these data telegrams also each have a transit time difference Δt2, Δt3 compared to the times t g2 and t g3 of the transmission of the Data telegrams, due to the different distances between the fixed radio stations from the mobile radio station M Δt2 <Δt1 and Δt3 <Δt2.

Aus den Laufzeitdifferenzen Δt1, Δt2 und Δt3 und den bekannten Stand­ orten der ortsfesten Funkstationen F1, F2 und F3 berechnet der Rechner C nach den Regeln der Trigonometrie den Standort der mobilen Funkstation M. Das Ergebnis der Berechnung, das heißt der augenblickliche Standort der mobilen Funkstation M, wird dem Benutzer der mobilen Funkstation vorzugs­ weise mittels eines Displays angezeigt. Vorausgesetzt wird bei der Stand­ ortbestimmung, daß jeweils mindestens drei Datentelegramme von drei ver­ schiedenen ortsfesten Funkstationen empfangen werden.From the transit time differences Δt1, Δt2 and Δt3 and the known status The computer C calculates the locations of the fixed radio stations F1, F2 and F3 the location of the mobile radio station M according to the rules of trigonometry The result of the calculation, that is, the current location of the mobile radio station M, the user of the mobile radio station is preferred indicated by means of a display. The condition for the stand Location determination that at least three data telegrams from three ver various fixed radio stations can be received.

Claims (1)

Verfahren zur Ermittlung des augenblicklichen Standortes einer mobilen Funkstation, die sich in einem in Funkzellen aufgeteilten Funkgebiet aufhält, wobei jede Funkzelle mindestens eine ortsfeste Funkstation aufweist und die ortsfesten Funkstationen individuell gekennzeichnete Datentelegramme nach einem Zeitschlitzverfahren mit vorgegebenem Zeit­ rahmen aussenden und bei welchem die mobile Funkstation dieLaufzeiten der Datentelegramme mißt und mit einander vergleicht, dadurch gekennzeichnet, daß die mobile Funkstation (M) die von mindestens drei ortsfesten Funkstationen (F1, F2, F3) nacheinan­ der empfangenen Datentelegramme (DF1, DF2, DF3) in einem Speicher eines Rechners (C) der mobilen Funkstation (M) zwischenspeichert und daß der Rechner aus den Laufzeitdifferenzen (Δt1, Δt2, Δt3) zwischen den Zeit­ punkten (tg1, tg2, tg3) der Aussendung der Datentelegramme und den Zeit­ punkten (t₁, t₂, t₃) des Empfangs der Datentelegramme sowie aus weiterhin in dem Speicher des Rechners (C) gespeicherten Standorten und individuellen Kennzeichen der ortsfesten Funkstationen den augenblicklichen Standort der mobilen Funkstation berechnet und anzeigt.Method for determining the current location of a mobile radio station which is located in a radio area divided into radio cells, each radio cell having at least one fixed radio station and the fixed radio stations sending individually identified data telegrams according to a time slot method with a predetermined time frame, and in which the mobile radio station transmits the runtimes measures and compares the data telegrams, characterized in that the mobile radio station (M) receives the data telegrams (D F1 , D F2 , D F3 ) received from at least three fixed radio stations (F1, F2, F3) one after the other in a memory of a computer (C) the mobile radio station (M) caches and that the computer points from the transit time differences (Δt1, Δt2, Δt3) between the time points (t g1 , t g2 , t g3 ) the transmission of the data telegrams and the time points (t₁, t₂ , t₃) of receipt of the data telegrams and from continue in the memory d the computer (C) stored locations and individual characteristics of the fixed radio stations calculates and displays the current location of the mobile radio station.
DE19883827352 1988-08-12 1988-08-12 Method for determining the current location of a mobile radio station Expired - Lifetime DE3827352C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19883827352 DE3827352C2 (en) 1988-08-12 1988-08-12 Method for determining the current location of a mobile radio station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19883827352 DE3827352C2 (en) 1988-08-12 1988-08-12 Method for determining the current location of a mobile radio station

Publications (2)

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DE3827352A1 DE3827352A1 (en) 1990-02-15
DE3827352C2 true DE3827352C2 (en) 1996-03-07

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DE10118777A1 (en) * 2001-04-17 2002-12-05 Juergen Daesler Position determination system for mobile radio apparatus compares received station pattern, formed by mobile apparatus, with reference database

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DE4001497A1 (en) * 1990-01-19 1991-08-01 Bayerische Motoren Werke Ag Radio receiver measurement of vehicle position variation - comparing transition times from fixed transmitter to vehicle mounted receiver
DE4240578A1 (en) * 1992-12-04 1994-06-23 Detecon Gmbh Location determination method using a non-synchronous cellular mobile radio system
DE4316091A1 (en) * 1993-05-13 1994-11-17 Sel Alcatel Ag Method and system components to determine the location of a subscriber in a communication system
DE4409178A1 (en) * 1994-03-17 1995-09-21 Siemens Ag Determining positions of mobile stations in mobile radio system
DE4417045B4 (en) * 1994-05-14 2004-02-26 T-Mobile Deutschland Gmbh Procedure for determining the location of vehicles
DE4427392A1 (en) * 1994-08-03 1996-02-08 Wolfgang Neifer Road use charge levying apparatus
DE4433613A1 (en) * 1994-09-21 1995-04-20 Dieter Dipl Ing Steuer Determining the location of vehicles, living beings and objects on the basis of cell-oriented radio networks
JP2586347B2 (en) * 1994-11-15 1997-02-26 日本電気株式会社 Mobile radio telephone system
DE19638070A1 (en) * 1996-09-18 1998-03-19 Deutsche Telekom Mobil Procedure for the acquisition of traffic data using mobile radio devices
US5991620A (en) * 1997-11-26 1999-11-23 Ericsson Inc. Positioning busy indicator and queuing mechanism
DE19836089A1 (en) * 1998-07-31 2000-02-03 Inst Halbleiterphysik Gmbh Procedure for determining dynamic traffic information
DE10004061A1 (en) * 2000-01-31 2001-08-02 Nokia Mobile Phones Ltd Methods and devices for determining movement data of a mobile station
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US7062279B2 (en) 2000-06-22 2006-06-13 Openwave Systems Inc. Anonymous positioning of a wireless unit for data network location-based services
DE10054375A1 (en) * 2000-10-30 2002-05-16 Mannesmann Ag Method for recording traffic situation data in a traffic route network and terminal equipment
DE10103272A1 (en) * 2001-01-25 2002-08-01 Gap Ag Gsm Applikationen Und P Mobile location device has hybrid radio module that can transmit radio signals according to at least two different transmission standards acceptable to a mobile radio fixed system
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US9294879B2 (en) 2011-06-20 2016-03-22 Sriram Kannan Determining path traversed by a mobile communication device

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Publication number Publication date
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Owner name: SIEMENS AG, 80333 MUENCHEN, DE