WO2020058340A1 - Dispositif de brouillage de signaux et procédé pour faire fonctionner un dispositif de brouillage de signaux pour établir une protection contre des aéronefs sans pilote (uav), en particulier des drones - Google Patents

Dispositif de brouillage de signaux et procédé pour faire fonctionner un dispositif de brouillage de signaux pour établir une protection contre des aéronefs sans pilote (uav), en particulier des drones Download PDF

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Publication number
WO2020058340A1
WO2020058340A1 PCT/EP2019/075014 EP2019075014W WO2020058340A1 WO 2020058340 A1 WO2020058340 A1 WO 2020058340A1 EP 2019075014 W EP2019075014 W EP 2019075014W WO 2020058340 A1 WO2020058340 A1 WO 2020058340A1
Authority
WO
WIPO (PCT)
Prior art keywords
signal
interference
received
interference device
transmitter
Prior art date
Application number
PCT/EP2019/075014
Other languages
German (de)
English (en)
Inventor
Staffan Seth
Original Assignee
Rheinmetall Air Defence Ag
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 Rheinmetall Air Defence Ag filed Critical Rheinmetall Air Defence Ag
Priority to EP19773036.9A priority Critical patent/EP3854013A1/fr
Publication of WO2020058340A1 publication Critical patent/WO2020058340A1/fr

Links

Classifications

    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H11/00—Defence installations; Defence devices
    • F41H11/02—Anti-aircraft or anti-guided missile or anti-torpedo defence installations or systems
    • 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
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/40—Jamming having variable characteristics
    • H04K3/46—Jamming having variable characteristics characterized in that the jamming signal is produced by retransmitting a received signal, after delay or processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/80—Jamming or countermeasure characterized by its function
    • H04K3/92—Jamming or countermeasure characterized by its function related to allowing or preventing remote control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K2203/00—Jamming of communication; Countermeasures
    • H04K2203/10—Jamming or countermeasure used for a particular application
    • H04K2203/22—Jamming or countermeasure used for a particular application for communication related to vehicles
    • 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
    • H04K3/42—Jamming having variable characteristics characterized by the control of the jamming frequency or wavelength

Definitions

  • the invention relates to a signal interference device for defense against unmanned aerial vehicles (UAV), in particular drones, and a method for operating a signal interference device with the features of the preambles of the independent claims.
  • UAV unmanned aerial vehicles
  • a signal interference device in which an interference signal in the frequency band between 2.4 and 2.5 GHz is emitted around a certain area.
  • This interference signal is intended to force the drone to switch to safety mode and thus force the drone to return to the landing site and thus to land.
  • the signal transmission of the interference signal is always active.
  • the invention is therefore based on the object of improving the generic signal interference device and the method for operating a signal interference device for protecting against unmanned aerial vehicles (UAV), in particular drones.
  • UAV unmanned aerial vehicles
  • the signal interference device comprises a receiver, by means of the receiver a signal for controlling an unmanned aircraft can be received, the signal being usable as a disturbance signal by means of signal amplification, the disturbance signal being only transmissible if a signal is also being received, the received signal being able to be amplified by means of the signal amplification in such a way that its noise component increases is to be used as an interference signal .
  • a solution to the problem according to the invention is provided if a signal is sent by means of a receiver Control of an unmanned aerial vehicle is received and used as an interference signal by means of signal amplification, the interference signal only being transmitted if a signal is also received, the received signal being able to be amplified by means of the signal amplification in such a way that its noise component is increased in order to be used as an interference signal (6 *) to be usable.
  • the receiver is designed as a receiving antenna and / or the transmitter as a transmitting antenna.
  • At least one receiving antenna which is designed to receive signals from the radio remote control of the unmanned aerial vehicle.
  • a signal for controlling the aircraft is received by means of the receiving antenna, which signal is used as an interference signal by means of signal amplification, only the interference signal being transmitted when a signal is also received. If no signal is received, no interference signal is sent either.
  • the signal jamming device thus works semi-actively. An unnecessary, permanent emission of interference signals can thereby be avoided.
  • the signal interference device preferably amplifies a signal automatically on receipt and sends it out as an interference signal. As soon as the signal is no longer received, no interference signal is automatically sent.
  • the signal amplification is formed by means of a series connection of at least one positive signal amplifier and at least one negative signal amplifier, the series connection being able to be traversed by the received signal in order to form the interference signal.
  • the at least one positive signal amplifier amplifies the signal, the at least one negative signal amplifier dampens the signal.
  • An object to be protected is monitored laterally in particular by means of the receiving antenna.
  • the receiving antenna monitors in particular an angle between the horizon and a certain elevation angle close to the ground.
  • the elevation angle is preferably less than 45 °, in particular less than 30 °. If a corresponding transmission signal is now received with the receiving antenna, the received signal is transmitted in a modified form with an increased noise component again preferably under the same frequency via a transmitting antenna.
  • the interference signal is preferably formed by maximizing the noise.
  • the received signal can preferably be amplified by the signal amplification in such a way that its noise component is increased in order to be usable as an interference signal.
  • the received signal is preferably amplified and / or attenuated at least once, the noise component being increased in order to form the interference signal.
  • the signal amplification is preferably carried out by means of an analog signal amplifier, in particular by means of an analog amplifier circuit. There is therefore no analog / digital conversion. Since no sampling of the signal is required, there is also no delay in the transmission of the interference signal.
  • the system is very cost-effective because high-quality A / D and D / A converters can be dispensed with.
  • the interference signal preferably has the same frequency as the received signal.
  • the process step of amplifying and damping is carried out in succession until the noise component in the signal is sufficiently increased. This signal thus formed is then emitted via a transmission antenna.
  • the interference signal has short transmission interruptions. These interruptions can advantageously take place at periodic intervals. These interruptions prevent feedback with the received signal.
  • the interference signal is preferably sent as a pulse width modulated signal.
  • the receiving antenna and the transmitting antenna preferably operate in a band that is used for remote control of unmanned aerial vehicles, in particular in the 2.4 GHz and 5.8 GHz band. It is conceivable that the receiving antenna and the transmitting antenna receive and transmit signals only in the 2.4 GHz and / or in the 5.8 GHz band. In particular, it is advantageous to use two receiving and two transmitting antennas, which each cover different frequency bands, for example the frequency bands 2.4 GHz and 5.8 GHz.
  • the receiving antenna and the transmitting antenna are preferably formed by two separate antennas.
  • the receiving antenna and / or the transmitting antenna cover in particular the complete or almost complete hemisphere around the object to be protected. If an unmanned aircraft now attacks the object to be protected, the distance to the interfering antenna from a certain distance between the aircraft and the radio remote control or the corresponding ground station is such that the aircraft is closer to the transmitting antenna and the interfering signal predominates and thus the aircraft in goes into security mode.
  • This system can work around the clock and is fully automated.
  • the system is stable against frequency hops and the use of redundant frequencies, since the frequency of the emitted interference signal always follows the frequency of the received transmission signal. An unlimited number of unmanned aerial vehicles can be disturbed with this arrangement at the same time.
  • the transmitting antenna depending on the direction of the Aircraft is aligned manually or automatically. This makes it possible to recognize aircraft and, for example, to align the transmitting antenna to the aircraft in order to be able to send a stronger interference signal to the aircraft.
  • Optical sensors can be used as sensors. The sensors can be coupled to the signal interference device or be part of the signal interference device. Accordingly, the direction of the unmanned aircraft can preferably be determined by means of sensors, the transmission antenna being able to be oriented as a function of the direction of the aircraft.
  • the arrangement does not require regular maintenance. Interference from other electronic components can be minimized by aligning the transmitting antenna accordingly. It is also very advantageous to position the receiving antenna on an elevated position. As a result, the lateral coverage area of the receiving antenna can be increased.
  • a drone protection shield can be formed for stationary objects or also for mobile units, the arrangement not requiring any input from a user other than switching on and off.
  • the broadcast signal Since the broadcast signal has a low power, it is easier to obtain a corresponding license.
  • the low power also enables the device or the interference antenna to be battery-operated.
  • the power can be less than one watt, for example.
  • Fig. 1 is an object to be protected, an unmanned aerial vehicle (UAV), such as a drone, and a jammer arrangement.
  • UAV unmanned aerial vehicle
  • a signal interference device 1 for defense against unmanned aerial vehicles (UAV), in particular here from drones, can be clearly seen.
  • the signal jammer 1 is arranged on or in the vicinity of an object 2 to be protected. If an aircraft 3 now flies to the object 2, a signal 6 of a radio remote control of the aircraft is detected with an antenna arrangement.
  • An antenna lobe 4 of a receiving antenna (not shown in detail) is indicated schematically. The receiving antenna is particularly laterally aligned.
  • the received signal 6 is then provided with an increased noise component by means of the signal processing of the signal interfering device 1.
  • An interference signal 6 * is thus formed by amplifying and / or attenuating the signal 6 in an analog amplifier circuit one or more times.
  • the interference signal 6 * is now transmitted by means of a transmission antenna.
  • the antenna lobe 5 of the transmitting antenna is indicated schematically.
  • the antenna lobe 5 of the transmitting antenna preferably has a greater elevation to the horizon than the antenna lobe 4 of the receiving antenna, as a result of which a large coverage of the air space is achieved. If no signal 6 is received, no interference signal 6 * is also transmitted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Engineering & Computer Science (AREA)
  • Radio Relay Systems (AREA)
  • Selective Calling Equipment (AREA)

Abstract

L'invention concerne un dispositif de brouillage de signaux (1) et un procédé pour faire fonctionner un dispositif de brouillage de signaux pour établir une protection contre des aéronefs sans pilote (UAV), en particulier des drones, comprenant un émetteur (5), cet émetteur (5) permettant d'envoyer un signal de brouillage (6*). L'objectif de cette invention est d'améliorer le dispositif de brouillage de signaux (1) et ledit procédé de manière qu'un signal (6) soit reçu au moyen d'un récepteur (4) pour commander l'aéronef (3) sans pilote et utilisé comme signal de brouillage (6*) au moyen d'une amplification de signaux, ledit signal de brouillage (6*) étant envoyé uniquement lorsqu'un signal (6) est aussi reçu.
PCT/EP2019/075014 2018-09-19 2019-09-18 Dispositif de brouillage de signaux et procédé pour faire fonctionner un dispositif de brouillage de signaux pour établir une protection contre des aéronefs sans pilote (uav), en particulier des drones WO2020058340A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19773036.9A EP3854013A1 (fr) 2018-09-19 2019-09-18 Dispositif de brouillage de signaux et procédé pour faire fonctionner un dispositif de brouillage de signaux pour établir une protection contre des aéronefs sans pilote (uav), en particulier des drones

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018122951.8A DE102018122951A1 (de) 2018-09-19 2018-09-19 Signalstörvorrichtung und ein Verfahren zum Betrieb einer Signalstörvorrichtung zur Abwehr von unbemannten Luftfahrzeugen (UAV), insbesondere von Drohnen
DE102018122951.8 2018-09-19

Publications (1)

Publication Number Publication Date
WO2020058340A1 true WO2020058340A1 (fr) 2020-03-26

Family

ID=67999639

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2019/075014 WO2020058340A1 (fr) 2018-09-19 2019-09-18 Dispositif de brouillage de signaux et procédé pour faire fonctionner un dispositif de brouillage de signaux pour établir une protection contre des aéronefs sans pilote (uav), en particulier des drones

Country Status (3)

Country Link
EP (1) EP3854013A1 (fr)
DE (1) DE102018122951A1 (fr)
WO (1) WO2020058340A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111447038A (zh) * 2020-04-02 2020-07-24 安徽卫盾安全设备科技有限公司 一种基于大数据的无人机防御系统
US20210367700A1 (en) * 2020-05-19 2021-11-25 Thorsten Chmielus Drone defense system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113507342B (zh) * 2021-08-13 2023-06-02 华侨大学 一种基于深度强化学习的无人机中继抗干扰方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9529360B1 (en) * 2015-01-28 2016-12-27 Howard Melamed System and method for detecting and defeating a drone
DE102015008256A1 (de) * 2015-06-26 2016-12-29 Diehl Bgt Defence Gmbh & Co. Kg Abwehrdrohne zur Abwehr von Kleindrohnen
JP2017072324A (ja) 2015-10-08 2017-04-13 前田建設工業株式会社 飛行物体の接近防御システム

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10044465B1 (en) * 2017-02-03 2018-08-07 Aai Corporation Adaptively disrupting unmanned aerial vehicles

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9529360B1 (en) * 2015-01-28 2016-12-27 Howard Melamed System and method for detecting and defeating a drone
DE102015008256A1 (de) * 2015-06-26 2016-12-29 Diehl Bgt Defence Gmbh & Co. Kg Abwehrdrohne zur Abwehr von Kleindrohnen
JP2017072324A (ja) 2015-10-08 2017-04-13 前田建設工業株式会社 飛行物体の接近防御システム

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111447038A (zh) * 2020-04-02 2020-07-24 安徽卫盾安全设备科技有限公司 一种基于大数据的无人机防御系统
CN111447038B (zh) * 2020-04-02 2021-02-19 安徽卫盾安全设备科技有限公司 一种基于大数据的无人机防御系统
US20210367700A1 (en) * 2020-05-19 2021-11-25 Thorsten Chmielus Drone defense system
US11876611B2 (en) * 2020-05-19 2024-01-16 Thorsten Chmielus Drone defense system

Also Published As

Publication number Publication date
DE102018122951A1 (de) 2020-03-19
EP3854013A1 (fr) 2021-07-28

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