EP2301179B1 - Dispositif de brouillage et procédé de brouillage d' un signal cible - Google Patents

Dispositif de brouillage et procédé de brouillage d' un signal cible Download PDF

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Publication number
EP2301179B1
EP2301179B1 EP09777155.4A EP09777155A EP2301179B1 EP 2301179 B1 EP2301179 B1 EP 2301179B1 EP 09777155 A EP09777155 A EP 09777155A EP 2301179 B1 EP2301179 B1 EP 2301179B1
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EP
European Patent Office
Prior art keywords
jamming
signal
transmission power
detection
sensor unit
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EP09777155.4A
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German (de)
English (en)
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EP2301179A1 (fr
Inventor
Marko Tietz
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IABG Industrieanlagen Betriebs GmbH
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IABG Industrieanlagen Betriebs GmbH
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/40—Jamming having variable characteristics
    • H04K3/43—Jamming having variable characteristics characterized by the control of the jamming power, signal-to-noise ratio or geographic coverage area
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/40—Jamming having variable characteristics
    • H04K3/45—Jamming having variable characteristics characterized by including monitoring of the target or target signal, e.g. in reactive jammers or follower jammers for example by means of an alternation of jamming phases and monitoring phases, called "look-through mode"
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K2203/00—Jamming of communication; Countermeasures
    • H04K2203/30—Jamming or countermeasure characterized by the infrastructure components
    • H04K2203/34—Jamming or countermeasure characterized by the infrastructure components involving multiple cooperating jammers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/40—Jamming having variable characteristics
    • H04K3/41—Jamming having variable characteristics characterized by the control of the jamming activation or deactivation time

Definitions

  • the invention relates to an interference device and a method for disturbing a target signal according to the preamble of patent claims 1 and 12, respectively.
  • Corresponding jamming devices are for example from the US 2006/0153281 A1 known. They comprise a detection device for detecting a target signal, which is exchanged between a transmitting device and a receiving device, and a jamming device, which interferes with this after a detection of a target signal to be disturbed.
  • jamming devices which continuously emit an interference signal and thus prevent radio communication within a certain frequency band.
  • the shows US 2007/0099559 A1 a jammer for use in a theater, cinema, hospital, etc.
  • the jammer transmits continuously, thus inhibiting communication by means of a cellular phone in an area given by the local conditions.
  • the interference device comprises the US 2007/0099559 A1 a switch that can be activated remotely, for example, and stops the interference signal. After stopping the jammer, a call for help can be dropped off and possible rescue operations can be coordinated via the mobile network.
  • radio signal jammers make it difficult or impossible to properly receive radio messages.
  • the jammer like the transmitter to be disturbed, emits energy in the form of electromagnetic waves and superimposes all or part of the original waves. It can work on the same or a neighboring frequency of the disturbed receiver.
  • the field strength, the modulation of the interfering signal and the disturbed message are important.
  • the US 2007/0297489 A1 describes a smart jammer which, according to a specification, allows communication on certain channels or (in frequency hopping) on a sequence of particular channels.
  • the interference signal can not be sufficiently limited in space. So it may be necessary in densely populated areas to disturb only a demarcated area. For example, the operator of a cinema has a need to suppress mobile telecommunications within a screening room. However, customers who call in the entrance hall of the cinema should not be disturbed by a corresponding jammer. A disruption of the mobile telecommunications outside the given area can not only be annoying, but also violate national laws.
  • Another example includes prisons or secured buildings.
  • Exceeding the limit of more than one meter is sometimes not sustainable. This is particularly problematic because depending on the type of communication, the boundary conditions can constantly change. For example, vehicles, scaffolding, open and closed windows can affect the range of a jammer. The weather, especially rain, affect the range of this station.
  • the transmission power of a base station is often varied. Depending on the set transmit power, a jammer can safely cover a larger or smaller area.
  • a central idea of the present invention is thus to adapt the control of the jamming device dynamically.
  • the transmission power of the jammer and / or a communication device e.g., a base station
  • the destination signal may be a signal sent from a transmitter to a receiver.
  • the target signal may include a signal emitted by the transmitter and a corresponding response of the receiver.
  • GSM complex communication protocols
  • any communication between transmitter and receiver is disturbed.
  • the input signal for determining the transmission power of the jamming device is intended in particular to provide information on how much a jamming signal emitted by a jamming device is attenuated until its detection.
  • changed environmental conditions eg the weather, especially rain
  • changes to a building eg open or closed windows and doors
  • obstacles eg parked vehicles, scaffolding
  • the interference device may comprise at least one sensor unit, which receives the interference signal of at least one jamming device and / or a signal of the at least one communication unit for generating the input signal. It is conceivable to control the transmission power of the at least one communication unit and accordingly to generate the input signal, which gives information about this power. However, it is advantageous if the interference device comprises at least one sensor unit and measures signals of the jamming device and / or the communication units. Thus, the jammer is independent of predetermined data and can take better account of changes, be they inherent in the system or dictated by the environment.
  • the at least one sensor unit may comprise a directional antenna. That is, the sensor unit has an antenna with a strong directional characteristic, thereby defining the geographic orientation of the sensor unit.
  • a corresponding antenna can be shielded in such a way that exclusively or preferably signals are received which are emitted from a specific direction.
  • such directional antennas may be installed on a wall such that they only receive signals that are emitted within the wall. Signals generated outside the wall are not taken into account.
  • the directional antenna can therefore be used to make selective measurements in certain areas.
  • a "selection" of interference signals of specific or known interference transmitter can also be done by the respective interference signal of a interference transmitter is transmitted on a second path, in particular conducted by the sensor unit as a synchronization signal, which then determines the coincident with the synchronization signal interference signal components.
  • the control device may be in communicative connection with the communication device for determining an activation time of the interference signal.
  • the detection of the target signal may be advantageous to provide directly to the jammer communicate.
  • a suitable network should be provided.
  • the detection can be communicated to the control device and forwarded from there to the jamming device.
  • the control device may comprise a processing device which processes the input signal and generates a perturbation signal for adjusting the transmission power of the at least one perturbation device. That is, the transmission power of the at least one jamming device can be adapted to the measured transmission power of one or more communication devices or one or more jamming devices. In order to ensure an efficient adjustment of the transmission power, a measurement of the transmission power of the interference can be made spatially distant. Thus, the attenuation or exaggeration of the interference signal by the environment can be considered.
  • the at least one detection device can be in communicative connection with the jamming device. As already described, it is conceivable to report the detection of a target signal directly to the jamming device. In particular, detection device and jamming device can be realized in one device. However, it is advantageous if at least additionally a notification of the control device takes place.
  • the control device can be designed to emit control signals to the at least one detection device in order to set a reception power of the detection device.
  • the control device can be designed to emit control signals to the at least one detection device in order to set a reception power of the detection device.
  • a "hypersensitivity" of the detection devices can be avoided.
  • a plurality of detection devices it is possible to detect the simultaneous transmission of a plurality of target signals, without resulting in the detection of an overlay. It is also conceivable, in the detection of a target signal by a first detection device, to increase the sensitivity of adjacent detection devices which do not or only weakly receive the target signal. If several detection devices receive the target signal, a more accurate position determination of the transmitter can be performed.
  • the jammer may include a plurality of detection means and a memory means for storing the position of the plurality of Detection means comprise to determine a transmission position of a device which generates the target signal.
  • a transmission position of a device which generates the target signal As far as the target signal is received by a plurality of detection devices and the position of the individual detection devices is known, it is possible to determine the transmission position, for example by triangulation.
  • the jamming device may comprise a plurality of jamming devices, wherein the above-mentioned memory device is designed to store the position of the plurality of jamming devices and the control device activates at least one jamming device as a function of the determined transmission position. That is, the control device can determine the position of the transmitting device based on the plurality of detection devices and accordingly activate one or more jamming devices. Thus, jamming devices with lower transmission power can be used because selectively the jamming devices are activated which are placed close to the device transmitting the target signal.
  • the interference device may comprise monitoring devices, in particular cameras, wherein the control device is in communicative communication with the monitoring devices in order to align and / or activate them in accordance with the determined transmission position. After detecting a target signal and determining the position of the transmitting device, the controller may generate corresponding output signals to further use that information. For example, corresponding cameras can be activated to visually determine the position of the transmitter.
  • the controller may include at least one input and output device for interacting with at least one user. In particular, this may allow the user to manually activate or deactivate the interference signal. For example, communication may be allowed in an emergency. Furthermore, activation of the interfering signal can be manually confirmed by the user. Thus, erroneous activation of the interference signal can be prevented.
  • Adjusting the transmission power of the jammer may include regulating the transmission power according to a predetermined transmission power interval.
  • a maximum power can be specified, which must not be exceeded when transmitting the interference signal.
  • This predetermined transmission power can be position-dependent. Therefore, it is advantageous to carry out the determination of the transmission power at predetermined locations or positions. These positions may be physically remote from the jamming devices.
  • the transmission power interval may be set according to the determined transmission power of the communication device. That is, the maximum power of the jammer can be dynamically adjusted to the measured or determined transmission power of the communication device. Thus, it is possible to maintain a predetermined relation between the power of the noise signal and the power of the communication device. Thus, the set power of the jamming ensures a safe failure of the target signal, the impact on the environment is kept as low as possible.
  • the detection of the target signal can take place with at least two detection devices and be communicated to a control device, wherein the control device selects at least one jamming device from a plurality of jamming devices for disturbing the target signal.
  • the method may include a position determination of the device that transmits the target signal, wherein a position of the at least one detection device that detects the target signal is determined.
  • Determining the transmission power of the at least one jamming device and / or the at least one communication device may include measuring a transmission power by means of an antenna, in particular having a predetermined directional characteristic.
  • the method may comprise adjusting the reception power of at least one detection device as a function of the determined transmission power.
  • the transmission of the interference signal after the detection of the target signal can take place over a predetermined time interval.
  • the disturbance of the environment can therefore also be limited in time.
  • the time limit is particularly advantageous when a protocol is used in the communication between sender and receiver that requires a connection.
  • the connection can be interrupted by the interference signal.
  • the connection can be interrupted again. In this respect, although there is an exchange of protocol messages, but no content can be exchanged via the communication link.
  • the method may include a calibration wherein at least one substantially "pure" carrier signal is transmitted from at least one jammer to determine the transmission power of the jammer.
  • This calibration can be done before a possible detection to adjust the transmission power of the jamming suitable.
  • a carrier signal is particularly suitable for calibration, as it does not interfere with allowed or allowed communication (eg, outside a security area) even at high power. In order to more easily identify the carrier signal for calibration, it may also be modulated in a suitable manner so as not to interfere with the radio signals (e.g., amplitude modulation).
  • the method may comprise processing the target signal to read a sender identification number, in particular an IMSI number (International Mobile Subscriber Identity). Furthermore, a comparison of the transmitter identification number with a plurality of identification numbers in a positive list can take place, with no interference signal being sent if the identification number of the transmitter is contained in the positive list. Thus, it may be possible to allow certain devices to communicate.
  • a sender identification number in particular an IMSI number (International Mobile Subscriber Identity).
  • IMSI number International Mobile Subscriber Identity
  • the disturbing device according to the invention is particularly suitable for use in densely populated areas.
  • the interference device according to the invention can be used within a city.
  • Fig. 1 schematically shows a quadrangular noise region 5, which is delimited by a dashed line.
  • a wall 7 area which also has a square area.
  • This wall 7 can symbolize, for example, the outer wall of a prison.
  • Near the sturgeon area 5 is a city 2 and a first and second base station 30, 30 '.
  • these base stations 30, 30 'enable mobile radio communication according to the GSM or UTMS standard. So they allow the owner of a mobile phone services such as telephony, circuit-switched or packet-switched data transmission, text messages, etc. to use.
  • communication via standards such as HSCSD, GPRS, HSPDA, EDGE and, in the future, LTE can be offered.
  • the base stations 30, 30 may span a wireless radio network or WLAN, and enable communication in accordance with the IEEE 802.11 standard.
  • the base stations 30, 30 also symbolize mobile hand-held radio devices, which enable analog radio communication.
  • Im in Fig. 1 shown embodiment is a mobile communication within the wall 7 or between a mobile phone 3, which is located within the wall 7 and the base stations 30, 30 'are prevented.
  • Mobile phones 3, which are located outside the Stör Schemes 5, should not be affected in their communication.
  • specifications may exist according to which Noise level outside the interference area 5 may not exceed a predetermined limit.
  • a specification may exist which limits the ratio of the transmission power of the base station 30, 30 'received at a position to the interference power of an interference signal received there.
  • the present invention provides a solution for this by performing a dynamic control of the interference signal.
  • four sensor units 23 to 23 '''are positioned at the corner points of the interference region 5.
  • a plurality of transceiver units 10, 10 ', 10 " which are designed to detect a target signal of the mobile telephone 3 and to emit a corresponding interference signal, are located in the interior of the interference area 5.
  • a central computer 21 in a central office 20 communicates with the sensor units 23 to 23 "'and the transceivers 10, 10', 10" via a corresponding network
  • the network may be a wired or wireless network
  • the protocol used therefor may or may not be real-time capable
  • an Ethernet network is used.
  • a significant advantage of the networking of the devices is that a central alarm is possible in all incidents. Furthermore, the activities of the monitoring devices, transceiver units 10-10 ", sensor units 23-23 '' 'can be logged.A simple extension of the network and a stepwise installation of the hardware as well as a central control of all devices are conceivable.
  • a transceiver unit 10, 10 ', 10 "includes a jammer unit 40 and a mobile telephone detection unit 50, respectively.
  • the jammer unit 40 or jammer comprises a signal generator 42, an amplifier 41 and an antenna 43.
  • the signal generator 42 generates Noise signal which is amplified via the amplifier 41 and emitted by means of the antenna 43.
  • the mobile phone detection unit 50 includes a detector 52, an amplifier 51 and an antenna 53.
  • the antenna 53 is configured to receive a target signal transmitted from the mobile phone 3.
  • the amplifier 51 of the mobile radio detection unit 50 amplifies the received signal and forwards it to the detector 52.
  • the detector 52 detects that the mobile telephone 3 is transmitting, ie, that a target signal is present, it issues a corresponding detection message to the central computer 21.
  • the central computer 21 responds to this detection message, by sending an activation message to the jammer unit 40. On the basis of this message, the jammer unit 40 is activated and a corresponding interference signal is sent.
  • the central computer 21 receives at regular intervals input signals from the sensor units 23 to 23 '''.
  • the central computer 21 specifies to the jammer unit 40 according to the received input signals at which power level it is to transmit. Furthermore, the central computer 21 can adjust the sensitivity of the mobile telephone detection unit 50 by means of corresponding signals.
  • the Fig. 3 illustrates the processes by means of two control loops.
  • the central computer 21 queries the detection message of the mobile telephone detection unit 50. If no activities have been detected by the mobile telephone detection unit, the detection message is interrogated again. In this state no interference signal is sent. Once activities have been detected by the mobile phone detection unit 50, interference is caused by the emission of a jamming signal by the jammer unit 40.
  • the second control loop polls the input signals from the sensor units 23 to 23 '' 'during a jamming operation. If the received power of the interfering signal at at least one sensor unit 23 to 23 '' 'is too high, the power of the transmitting jammer unit 40 is reduced. This is followed by a renewed interrogation of the input signals. As far as the received power is too low (the target signal is not sufficiently disturbed), the power is increased. That is, the central computer 21 sends corresponding control signals to the jammer unit 40.
  • the control signals for the jammer unit 40 may also be sent to the mobile telephone detection unit 50 to adjust the sensitivity thereof.
  • the limit value can be increased at a high transmission power of the base stations 30, 30 ', while at a low power of the base stations 30, 30' an interference signal with a lower transmission power is sufficient.
  • the present invention provides means for making a targeted interference of a mobile phone 3.
  • the networking of the individual transceiver units 10, 10 ', 10 is used with the central computer 21.
  • a mobile telephone 3 transmitting a destination signal is located there near a first transceiver unit 10.
  • This transceiver unit 10 detects the target signal and sends a corresponding message to the central computer 21.
  • the central computer 21 sends an activation message to the first transceiver unit 10, which emits a corresponding interference signal.
  • the interference signal can be received by the first sensor unit 23 and adjusted in such a way that outside the interference region 5 certain specifications regarding the interference level are not exceeded.
  • the second transceiver unit 10 ' also receives the target signal of the mobile telephone 3 and transmits corresponding messages to the central computer 21. This can determine from the received messages that the mobile phone 3 is located between the first transceiver unit 10 and the second transceiver unit 10 '. Accordingly, the respective jamming units 40 of the transceivers 10, 10 'can be activated. Another transceiver unit 10 "does not receive the target signal and is not activated by the central computer 21.
  • the central computer 21 knows the position of the first transceiver unit 10 and accordingly activates the second transceiver unit 10 ', although it does not receive the target signal. Furthermore, the central computer 21 can know the position of the base station 30, 30 'and the transceiver unit 10 and activate the transceiver units 10 to 10 "which are located between the position of the mobile radiotelephone 3 and the base stations 30, 30'. Thus, an efficient disturbance of the target signal can be ensured since the spatial arrangement of the jammer units 40 is taken into account.
  • a transmitting-receiving unit 10 to 10 each includes a jammer unit 40 and a mobile-telephone detecting unit 50.
  • a plurality of jamming units 40 and mobile-telephone detection units spatially separated from each other It is conceivable to store the position of these individual mobile telephone detection units 50 and jammer units 40 in the central computer 21 and to intelligently control the position of these detection units 50 and jammer units 40 according to their performance characteristics
  • the position of the mobile telephone 3 is determined and, in a second step, the jammer units 40 are selected that can best disturb the localized mobile telephone 3.
  • the sensor units 23 to 23 ''' can also be used as mobile phone detection units 50.
  • the sensor units 23 to 23 '' ' are preferably sensor units 23 to 23' '', which have antennas 24 with a strong directional characteristic. Thus, only the target signals that are sent out within the interference area 5 are received. Disruption of the power control of the jammer units 40 by a transmitter (eg, by a "wrong" jammer unit 40) located outside of the jamming area 5 near one of the sensor units 23 to 23 "is thus eliminated.
  • a sensor unit 23 to 23 ''' comprises further antennas 24 with a small directional characteristic, which detect the signals of the base stations 30, 30'.
  • a central sensor unit 23 to 23 ''' can be provided, which serves exclusively for detecting the signals of the base stations 30, 30'.
  • the central computer 21 is designed to activate the jamming units 40 for a limited time. Deactivation may occur after a predetermined time interval, e.g. ⁇ 1 min or 30 s. Furthermore, it is conceivable to detect an abort of the transmission of the target signal by means of the mobile telephone detection unit 50 and accordingly to deactivate the jammer units 40.
  • the central computer 21 with an IMSI catcher or the base stations 30, 30 '.
  • IMSI catcher or the base stations 30, 30 ' determines the IMSI number of the mobile phone 3 and to take into account in the activation of the Jammerakuen 40.
  • the mobile phones 3 having an IMSI number listed on this positive list are not disturbed by the jammer of the invention.
  • rescue or supervisory personnel can communicate with their mobile phones 3.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)

Claims (21)

  1. Dispositif de brouillage, comprenant :
    - au moins un organe de détection (50) présentant une antenne (53) pour la détection d'un signal cible qui est émis vers au moins un organe de communication (30, 30') ;
    - au moins un organe de brouillage (40) pour le brouillage du signal cible par un signal de brouillage ;
    - au moins une unité de capteur pour la mesure d'une puissance d'émission de l'organe de brouillage (40) ;
    - un organe de commande (21) qui, pour la commande de l'organe de brouillage (40), est en liaison communicative avec celui-ci, sachant que l'organe de commande (21) règle une puissance d'émission future de l'organe de brouillage (40) en fonction de la puissance d'émission mesurée ; sachant que l'au moins une unité de capteur (23, 23', 23") est constituée pour mesurer aussi la puissance d'émission d'un signal émis par l'au moins un organe de communication (30, 30') ; sachant que l'organe de commande (21) reçoit au moins un signal d'entrée depuis l'unité de capteur (23, 23', 23") pour déterminer la puissance d'émission mesurée de l'organe de brouillage (40) et la puissance de puissance de l'au moins un organe de communication (30, 30'), sachant que la mesure de la puissance d'émission de l'organe de brouillage (40) moyennant l'unité de capteur (23, 23', 23") est effectuée de manière spatialement éloignée de l'organe de brouillage (40), sachant que, pour la sélection de composantes de signal de brouillage pour la mesure de la puissance d'émission de l'organe de brouillage (40), le signal de brouillage de l'organe de brouillage (40) est transmis en fonction de la ligne en tant que signal de synchronisation à l'unité de capteur (23, 23', 23") pour que l'unité de capteur détermine les composantes de signal de brouillage qui concordent avec le signal de synchronisation.
  2. Dispositif de brouillage selon la revendication 1,
    caractérisé par
    au moins une unité de capteur (23) qui reçoit le signal de brouillage de l'au moins un organe de brouillage (40) pour générer le signal d'entrée.
  3. Dispositif de brouillage selon l'une des revendications précédentes,
    caractérisé en ce que
    l'au moins une unité de capteur (23) comprend une antenne orientable (24).
  4. Dispositif de brouillage selon l'une des revendications précédentes,
    caractérisé en ce que
    l'organe de brouillage (40) est en liaison communicative avec l'organe de détection (50) pour déterminer un moment d'activation du signal de brouillage.
  5. Dispositif de brouillage selon l'une des revendications précédentes,
    caractérisé en ce que
    l'organe de commande (21) comprend un organe de traitement qui traite le signal d'entrée et génère un signal de réglage de brouillage pour le réglage d'une puissance d'émission de l'au moins un organe de brouillage (40).
  6. Dispositif de brouillage selon l'une des revendications précédentes,
    caractérisé en ce que
    l'au moins un organe de détection (50) est en liaison communicative avec l'organe de commande (21).
  7. Dispositif de brouillage selon la revendication 6,
    caractérisé en ce que
    l'organe de commande (21) est constitué pour émettre des signaux de commande vers l'au moins un organe de détection (50) pour régler une puissance de réception de l'organe de détection (50).
  8. Dispositif de brouillage selon l'une des revendications précédentes,
    caractérisé par
    une pluralité d'organes de détection (50) et un organe d'enregistrement pour l'enregistrement de la position de la pluralité d'organes de détection (50) pour déterminer une position d'émission d'un appareil qui génère le signal cible.
  9. Dispositif de brouillage selon la revendication 8,
    caractérisé par
    une pluralité d'organes de brouillage (40), sachant que l'organe d'enregistrement est constitué pour enregistrer la position de la pluralité d'organes de brouillage (40) et l'organe de commande (21) active au moins un organe de brouillage (40) en fonction de la position d'émission déterminée.
  10. Dispositif de brouillage selon l'une des revendications 8 ou 9,
    caractérisé par
    des organes de surveillance, en particulier des caméras, sachant que l'organe de commande (21) est en liaison communicative avec les organes de surveillance pour orienter et/ou activer ceux-ci selon la position d'émission déterminée.
  11. Dispositif de brouillage selon l'une des revendications précédentes,
    caractérisé en ce que
    l'organe de commande (21) comprend au moins un organe d'entrée et de sortie pour l'interaction avec au moins un utilisateur, en particulier pour l'activation manuelle du signal de brouillage.
  12. Procédé de brouillage d'un signal cible qui est émis vers au moins un organe de communication (30, 30'), comprenant les étapes de :
    - détection du signal cible moyennant au moins un organe de détection (50) ;
    - émission d'un signal de brouillage pour le brouillage du signal cible moyennant au moins un dispositif de brouillage (40) ;
    - détermination d'une puissance d'émission de l'organe de brouillage (40) et d'un organe de communication (30, 30') moyennant une unité de capteur (23, 23', 23") ;
    - réglage d'une puissance d'émission future de l'organe de brouillage (40) en fonction de la puissance d'émission déterminée, sachant que la détermination de la puissance d'émission de l'organe de brouillage (40) est effectuée de manière spatialement éloignée de l'organe de brouillage (40), sachant que, pour la sélection de composantes de signal de brouillage pour la détermination de la puissance d'émission de l'organe de brouillage (40), le signal de brouillage de l'organe de brouillage (40) est transmis en fonction de la ligne en tant que signal de synchronisation à l'unité de capteur (23, 23', 23") pour que l'unité de capteur détermine les composantes de signal de brouillage qui concordent avec le signal de synchronisation.
  13. Procédé selon la revendication 12,
    caractérisé en ce que
    le réglage de la puissance d'émission de l'organe de brouillage (40) comprend une régulation de la puissance d'émission selon un intervalle de puissance d'émission spécifié.
  14. Procédé selon la revendication 13,
    caractérisé en ce que
    l'intervalle de puissance d'émission est réglé selon la puissance d'émission déterminée de l'organe de communication (30, 30').
  15. Procédé selon l'une des revendications 12 à 14,
    caractérisé par
    une détermination de position d'un appareil (3) qui émet le signal cible, sachant qu'une position de l'au moins un organe de détection (50) est utilisée pour déterminer la position de l'appareil (3).
  16. Procédé selon l'une des revendications 12 à 15, en particulier selon la revendication 15,
    caractérisé en ce que
    l'organe de commande (21) sélectionne, selon la détermination de position de l'appareil (3), au moins un organe de brouillage (40) à partir d'une pluralité d'organes de brouillage (40) pour le brouillage du signal cible.
  17. Procédé selon l'une des revendications 12 à 16,
    caractérisé en ce que
    la détermination de la puissance d'émission de l'au moins un organe de brouillage (40) et/ou de l'au moins un organe de communication (30, 30') comprend une mesure d'une puissance d'émission moyennant une antenne (24), en particulier présentant une caractéristique d'orientation prédéterminée.
  18. Procédé selon l'une des revendications 12 à 17,
    caractérisé par
    un réglage de la puissance de réception d'au moins un organe de détection (50) en fonction de la puissance d'émission déterminée.
  19. Procédé selon l'une des revendications 12 à 18,
    caractérisé en ce que
    l'émission du signal de brouillage a lieu après la détection du signal cible sur un intervalle de temps prédéterminé.
  20. Procédé selon l'une des revendications 12 à 19,
    caractérisé par
    un calibrage, sachant qu'au moins un signal porteur est émis par au moins un organe de brouillage (40) pour déterminer la puissance d'émission de l'organe de brouillage (40).
  21. Procédé selon l'une des revendications 12 à 20,
    caractérisé par
    un traitement du signal cible pour relever un numéro d'identification d'émetteur, en particulier un numéro IMSI ;
    la comparaison du numéro d'identification d'émetteur avec une pluralité de numéros d'identification dans une liste positive,
    sachant qu'aucun signal de brouillage n'est émis si le numéro d'identification d'émetteur est contenu dans la liste positive.
EP09777155.4A 2008-07-14 2009-07-13 Dispositif de brouillage et procédé de brouillage d' un signal cible Active EP2301179B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102008033001 2008-07-14
DE102008038315A DE102008038315A1 (de) 2008-07-14 2008-08-19 Störvorrichtung und Verfahren zum Stören eines Zielsignals
PCT/EP2009/005080 WO2010006754A1 (fr) 2008-07-14 2009-07-13 Dispositif de brouillage et procédé de brouillage d’un signal cible

Publications (2)

Publication Number Publication Date
EP2301179A1 EP2301179A1 (fr) 2011-03-30
EP2301179B1 true EP2301179B1 (fr) 2019-09-11

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US (1) US20110183602A1 (fr)
EP (1) EP2301179B1 (fr)
JP (1) JP2011528201A (fr)
AU (1) AU2009270469A1 (fr)
BR (1) BRPI0910807A2 (fr)
CA (1) CA2730422A1 (fr)
DE (1) DE102008038315A1 (fr)
WO (1) WO2010006754A1 (fr)

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Also Published As

Publication number Publication date
JP2011528201A (ja) 2011-11-10
WO2010006754A1 (fr) 2010-01-21
CA2730422A1 (fr) 2010-01-21
BRPI0910807A2 (pt) 2015-10-06
US20110183602A1 (en) 2011-07-28
WO2010006754A4 (fr) 2010-03-11
EP2301179A1 (fr) 2011-03-30
AU2009270469A1 (en) 2010-01-21
DE102008038315A1 (de) 2010-01-28

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