DE10315908A1 - Method for false localizing mobile radio appliance (MS) based on data obtained from terrestrial radio network by manipulating time advances (TA) between MS and stationary stations - Google Patents
Method for false localizing mobile radio appliance (MS) based on data obtained from terrestrial radio network by manipulating time advances (TA) between MS and stationary stations Download PDFInfo
- Publication number
- DE10315908A1 DE10315908A1 DE10315908A DE10315908A DE10315908A1 DE 10315908 A1 DE10315908 A1 DE 10315908A1 DE 10315908 A DE10315908 A DE 10315908A DE 10315908 A DE10315908 A DE 10315908A DE 10315908 A1 DE10315908 A1 DE 10315908A1
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- DE
- Germany
- Prior art keywords
- elements
- delay time
- delay
- fixed
- term
- 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.)
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Links
Classifications
-
- 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
-
- 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
Abstract
Description
Für die Lokalisierung einer MS, z.B. nach GSM- oder UMTS-Standard, sind Verfahren auf der Grundlage der terrestrischen Ausbreitungsbedingungen bekannt. Die Lokalisierung hat, abhängig vom Verfahren, von der Anzahl der benachbarten Feststationen (BTS) und den Ausbreitungsbedingungen (z.B. Reflexionen aus der Umbebung) unterschiedliche Genauigkeit (nach dem derzeitigen Stand der Technik < 50 m mit ca. 98% Wahrscheinlichkeit). Die z.Z. bekannten terrestrischen Lokalisierungsverfahren beruhen grundsätzlich auf der Auswertung der Laufzeiten (Timing Advance, TA) der Sendesignale zwischen der MS und den erreichbaren BTS.For localization an MS, e.g. according to the GSM or UMTS standard, procedures are based on known based on terrestrial dispersion conditions. The localization has, depending the procedure, the number of neighboring base stations (BTS) and the propagation conditions (e.g. reflections from the surrounding area) different accuracy (according to the current state of the art <50 m with approx. 98% Probability). The currently known terrestrial localization methods are basically based on the evaluation of the transit times (timing advance, TA) of the transmission signals between the MS and the achievable BTS.
Ein
Beispiel für
die Ortung einer MS (
Die Lokalisierung einer MS kann, sofern das Gerät eingeschaltet ist und von mindestens drei BTS empfangen wird, ohne den Einfluss und die Einwilligung des Benutzers durchgeführt werden.The An MS can be localized if the device is switched on and off at least three BTS is received without the influence and consent carried out by the user become.
Die Lokalisierbarkeit einer MS ist vom Benutzer aber nicht immer erwünscht.The Localization of an MS is not always desired by the user.
Die
Aufgabe der Erfindung ist es, ein Verfahren nach Anspruch 1 bis
9 und eine Vorrichtung nach Anspruch 10 bis 18 zur Verfügung zu
stellen, die Lokalisierung einer MS (
Mit
der vorliegenden Erfindung werden die TA von der MS (
Dies
ist im einfachsten Fall mit einer festen Verzögerungsleitung (
Diese simple Lösung, durch Verzögerung der TA um eine feste Zeit, kann nach den Ansprüchen 6 bis 9 und 15 bis 18 verbessert werden, da
- – Verzögerungsleitungen verlustbehaftet
sind. Es muß daher
zur Gewährleistung
der Empfindlichkeit der MS (
4 ) ein zusätzlicher bidirektionaler Verstärker (9 ) nach2 installiert werden. - – Verzögerungsleitungen im Vergleich zu handelsüblichen MS (Handys) voluminös und schwer sind. Diese Lösung wäre daher nur bei Geräten, die quasi-stationär, z.B. in Fahrzeugen, betrieben werden, praktikabel.
- - Delay lines are lossy. To ensure the sensitivity of the MS (
4 ) an additional bidirectional amplifier (9 ) to2 be installed. - - Delay lines are bulky and heavy compared to commercially available MS (cell phones). This solution would therefore only be practical for devices that are operated quasi-stationary, for example in vehicles.
Als vorteilhafte Ausgestaltung der Erfindung sind daher vorgesehen:
- – Digitale
Schaltkreise (
10 ) zur Verzögerung und darin integrierte Verstärker (12 ) - – Variable, steuerbare Verzögerungszeiten τ.
- - digital circuits (
10 ) for delay and integrated amplifiers (12 ) - - Variable, controllable delay times τ.
Schaltkreise zur Verzögerung digitaler Signale sind im Prinzip als Schieberegister aufgebaut und seit langem Stand der Technik. Diese sind als kompakte Schaltkreise realisiert. Verluste können durch integrierte Verstärker kompensiert werden.circuits to delay In principle, digital signals are constructed as shift registers and state of the art for a long time. These are as compact circuits realized. Losses can result from integrated amplifier be compensated.
Eine
variierende Verzögerungsänderung τ (
Mittels
eines Mikrocomputers (
Die simulierten Bewegungsprofile können fest abgespeichert oder frei programmierbar sein. Mögliche Szenarien für eine MS im Stillstand könnten sein:
- – Langsame Hin- und Her-Bewegungen (Fußgänger-Simulation)
- – Schnelle Bewegungen (Versenden einer SMS aus einem scheinbar schnell fahrenden Fahrzeug)
- – Plötzliche Beschleunigungen (Simulation eines abbremsenden Fahrzeugs)
- – zufällige, zeitliche Verzögerungszeiten (chaotisches Verhalten).
- - Slow back and forth movements (pedestrian simulation)
- - Fast movements (sending an SMS from an apparently fast moving vehicle)
- - Sudden accelerations (simulation of a braking vehicle)
- - random time delays (chaotic behavior).
Bei
er Auswertung der TA der MS (
Claims (18)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10315908A DE10315908B4 (en) | 2003-04-08 | 2003-04-08 | Falsification of positional data |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10315908A DE10315908B4 (en) | 2003-04-08 | 2003-04-08 | Falsification of positional data |
Publications (2)
Publication Number | Publication Date |
---|---|
DE10315908A1 true DE10315908A1 (en) | 2004-10-28 |
DE10315908B4 DE10315908B4 (en) | 2008-10-30 |
Family
ID=33038915
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE10315908A Expired - Fee Related DE10315908B4 (en) | 2003-04-08 | 2003-04-08 | Falsification of positional data |
Country Status (1)
Country | Link |
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DE (1) | DE10315908B4 (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3203678C2 (en) * | 1982-02-04 | 1991-11-14 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt, De | |
DE4409178A1 (en) * | 1994-03-17 | 1995-09-21 | Siemens Ag | Determining positions of mobile stations in mobile radio system |
DE19651711A1 (en) * | 1996-12-12 | 1998-06-18 | Plath Naut Elektron Tech | Altering positional data obtained by satellite navigation to give incorrect position |
DE10029137A1 (en) * | 2000-03-03 | 2001-09-13 | Bodyguard Technologies Gmbh | Locating, signaling system in cellular mobile telephone network repeatedly varies base station reception values to force transmissions to neighboring base stations |
EP0660544B1 (en) * | 1993-12-27 | 2003-03-05 | Motorola, Inc. | Communication through a channel having a variable propagation delay |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6505048B1 (en) * | 1999-12-30 | 2003-01-07 | Samsung Electronics Co., Ltd. | Location privacy feature for wireless mobile stations and method of operation |
-
2003
- 2003-04-08 DE DE10315908A patent/DE10315908B4/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3203678C2 (en) * | 1982-02-04 | 1991-11-14 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt, De | |
EP0660544B1 (en) * | 1993-12-27 | 2003-03-05 | Motorola, Inc. | Communication through a channel having a variable propagation delay |
DE4409178A1 (en) * | 1994-03-17 | 1995-09-21 | Siemens Ag | Determining positions of mobile stations in mobile radio system |
DE19651711A1 (en) * | 1996-12-12 | 1998-06-18 | Plath Naut Elektron Tech | Altering positional data obtained by satellite navigation to give incorrect position |
DE10029137A1 (en) * | 2000-03-03 | 2001-09-13 | Bodyguard Technologies Gmbh | Locating, signaling system in cellular mobile telephone network repeatedly varies base station reception values to force transmissions to neighboring base stations |
Non-Patent Citations (2)
Title |
---|
Key Position, Navigation Signal Demands Jamming Suppression. In: Signal, Aug. 1996, S.31-33 * |
Key Position, Navigation Signal Demands Jamming Suppression. In: Signal, Aug. 1996, S.31-33; |
Also Published As
Publication number | Publication date |
---|---|
DE10315908B4 (en) | 2008-10-30 |
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OP8 | Request for examination as to paragraph 44 patent law | ||
8120 | Willingness to grant licences paragraph 23 | ||
8364 | No opposition during term of opposition | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |
Effective date: 20111102 |