KR101404454B1 - A broadband jamming device using a noise signal - Google Patents

Abstract

The present invention relates to a broadband jamming device using a noise signal which can execute broadband jamming by using a noise signal. The broadband jamming device comprises a signal processing unit for generating jamming signals in each channel for multiple channels; an RF control unit for outputting a jamming signal for a specific channel by selecting the jamming signal among the jamming signals received from the signal processing unit; and a main control unit for providing a control signal for generating the jamming signals in each channel, to the signal processing unit.

Description

TECHNICAL FIELD [0001] The present invention relates to a broadband jamming device using a noise signal,

BACKGROUND OF THE INVENTION Field of the Invention [0002] The present invention relates to a radio disturbance apparatus (a so-called jamming apparatus), and more particularly, to a broadband radio disturbance apparatus using a noise signal capable of wide-band disturbance by using a noise signal.

In a rapidly changing wireless communication market, explosives are remotely controlled by using mobile phones or wireless devices to explode, or there is a frequent occurrence of doubtful conversations. Therefore, there has been a need for broadband jamming in order to protect VIPs from remote explosives, roads and eavesdroppers, and to protect the safety of their nationals who dispatch overseas.

On the other hand, a local jammer using a mobile communication channel is still used, and a method using a CDMA and a PCS source and a method using a noise source have been proposed as jammers. However, in order to jam the wide band (for example, 20 MHz to 6 GHz) by the conventional method as described above, the size of the equipment becomes large and high power is required. In addition, the conventional method has a limitation in that it can not provide a jamming device capable of jamming a broadband and securing a certain channel's coverage.

Therefore, there is a need for a device capable of jamming a broadband even with a small-sized apparatus and a low power, and securing a telephone number as needed.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a broadband radio disturbing apparatus using a noise signal capable of reducing equipment size and power consumption by increasing the efficiency of equipment.

It is another object of the present invention to provide a broadband radio disturbing apparatus using a noise signal capable of securing a communication right while maintaining a radio disturbance state by controlling each channel without turning off the device in a jamming area, .

In order to achieve the above-described object of the present invention and to achieve the specific effects of the present invention described below, the characteristic structure of the present invention is as follows.

According to an aspect of the present invention, a wideband propagation disturbance apparatus using a noise signal includes: a signal processing unit for generating jamming signals for respective channels for a plurality of channels; An RF controller for selecting and outputting a jamming signal for a specific channel among the jamming signals for each channel received from the signal processor; And a main control unit for providing a control signal for generating a jamming signal for each channel to the signal processing unit.

Preferably, the plurality of channels are channels allocated to adjacent frequency bands.

Preferably, the main control unit provides a control signal for selecting a jamming signal for each channel in the RF control unit.

Preferably, the RF controller sequentially selects each channel among a plurality of jamming signals for each channel according to a preset time timing

Preferably, the signal processing unit includes: a control voltage generator for generating a control voltage of the voltage controlled oscillator (VCO) according to a control signal of the main control unit; A sine wave generating unit for generating a sine wave according to the control signal of the main control unit; A noise signal generator for generating a noise signal; A mixer for mixing and outputting the signals generated by the control voltage generator, the sine wave generator, and the noise signal generator; And a voltage controlled oscillator for outputting a jamming signal having a frequency corresponding to a voltage value of a signal output through the mixer.

Preferably, the control voltage of the control voltage generator is a voltage value corresponding to a center frequency of the jamming signal.

Preferably, the sine wave generated by the sine wave generating unit is a voltage value whose peak-to-peak voltage value corresponds to the bandwidth of the jamming signal.

Preferably, the control voltage generation unit includes a digital-to-analog converter for converting the digital control signal received from the main control unit into an analog voltage signal.

Preferably, the sinusoidal wave generator includes: a digital-to-analog converter for converting the digital control signal received from the main control unit into an analog voltage signal; And a direct digital waveform synthesizer for generating a sine wave by the digital control signal received from the main control unit and the output signal of the digital-to-analog converter.

Preferably, the RF control unit includes at least one MMIC (Monolithic Microwave IC) for each channel.

Preferably, the RF control unit includes at least one attenuator (ATT (Digital Attenuator)) for each channel.

Preferably, the RF control unit includes at least one low-pass filter for each channel.

Advantageously, the RF control unit includes at least one RF switch or combiner in a plurality of channels.

Preferably, the apparatus further includes an amplifying unit amplifying the jamming signal selectively outputted through the RF control unit to a desired output signal.

Preferably, the amplification unit includes at least one of an over input protection unit, an MMIC, a filter and an equalizer, a gain control unit, an output amplification unit, an isolator, and an output detection unit.

Advantageously, the apparatus comprises: N signal processing units for each band for a plurality of frequency bands; And N RF control units corresponding to the signal processing units for each band.

Preferably, the apparatus further comprises a jamming unit for combining jamming signals for each channel received from the signal processing unit into one output using a combiner or an RF switch of the RF control unit, or merely jamming a specific channel among the received channels To provide the security of the currency.

According to embodiments of the present invention, the operation of all wireless devices in the jammer area can be blocked by providing a broadband jamming device. In addition, according to the embodiment of the present invention, when a user wants to communicate with the outside in the jammer area, the user can secure the communication right while maintaining the radio disturbance state by controlling each channel without turning off the device.

According to the embodiment of the present invention, a channel signal is generated for a plurality of channels (for example, four channels) for each band for a plurality of bands, and a channel signal is generated for each of a plurality of channels Digital signals can be controlled in 1MHz steps.

Therefore, the apparatus according to the embodiment of the present invention can protect the military, the police, and the VIP protection security guards from the remote-assisted explosive terrorism, and can smoothly perform operations in the operational area (jammer area) Let's do it.

1 is a block diagram showing a configuration of a radio wave disturbance apparatus according to an embodiment of the present invention.
2 is a diagram illustrating a detailed configuration of a signal processing unit according to an embodiment of the present invention.
3 is a diagram showing a detailed configuration of a control voltage generator according to an embodiment of the present invention.
4 is a diagram illustrating a detailed configuration of a sine wave generating unit according to an embodiment of the present invention.
5 is a circuit diagram illustrating a noise signal generator according to an embodiment of the present invention.
6 is a diagram showing an output waveform of a noise signal generator according to an embodiment of the present invention.
7 is a view showing a mixer of a signal processing unit according to an embodiment of the present invention.
8 is a diagram illustrating a VCO of a signal processing unit according to an embodiment of the present invention.
9 is a graph showing the input / output relationship of the VCO of the signal processing unit according to the embodiment of the present invention.
10 is a graph showing an input / output waveform of a VCO of a signal processing unit according to an embodiment of the present invention.
11 is a diagram illustrating a signal processing unit for outputting a plurality of channel signals according to another embodiment of the present invention.
12 is a diagram illustrating a detailed configuration of an RF control unit according to an embodiment of the present invention.
13 is a timing diagram for channel switching in an RF switch according to an embodiment of the present invention.
14 is a diagram showing a detailed configuration of an amplification unit according to an embodiment of the present invention.
15 is a diagram showing input / output signal waveforms of an antenna according to an embodiment of the present invention.
16 is a block diagram illustrating a configuration of a radio wave disturbing apparatus that supports multi-band according to an embodiment of the present invention.
17 and 18 are diagrams illustrating jamming signal control for each channel according to an embodiment of the present invention.

The following detailed description of the invention refers to the accompanying drawings, which illustrate, by way of illustration, specific embodiments in which the invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the invention. It should be understood that the various embodiments of the present invention are different, but need not be mutually exclusive. For example, certain features, structures, and characteristics described herein may be implemented in other embodiments without departing from the spirit and scope of the invention in connection with an embodiment. It is also to be understood that the position or arrangement of the individual components within each disclosed embodiment may be varied without departing from the spirit and scope of the invention. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the present invention is to be limited only by the appended claims, along with the full scope of equivalents to which the claims are entitled, if properly explained. In the drawings, like reference numerals refer to the same or similar functions throughout the several views.

The present invention discloses a broadband radio disturbing apparatus using a noise signal capable of reducing the size and power consumption of the apparatus by increasing the efficiency of the apparatus.

According to the embodiment of the present invention, a preset frequency band is divided into a plurality of channels, and a sinewave signal and a white noise signal are synthesized for each channel to generate a jamming signal for each channel . At this time, a broadband radio wave disturbing apparatus can be realized by implementing a band-specific radio wave disturbing apparatus composed of a plurality of channels for a plurality of bands. With this configuration, signals can be controlled for each band and each channel, so that only a desired frequency band can be used.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, so that those skilled in the art can easily carry out the present invention.

1 is a block diagram showing a configuration of a radio wave disturbance apparatus according to an embodiment of the present invention. 1, a radio disturbing apparatus according to an embodiment of the present invention includes a main controller 100, a signal processor 110, an RF controller 120, an amplifier 130, and an antenna 140 As shown in FIG.

The main control unit 100 controls each component constituting the radio wave disturbance apparatus. For example, the signal processing unit 110, the RF control unit 120, and the amplification unit 130, and is responsible for communication with the outside. More specifically, each channel of the radio disturbing apparatus is controlled, and the output signal is controlled. Further, the selection timing of each channel of the RF switch 120 of the radio wave disturbing apparatus is controlled.

The signal processing unit 110 generates each jamming signal according to an embodiment of the present invention. At this time, according to the embodiment of the present invention, the jamming signal is generated for each frequency band composed of a plurality of bands. Also, one frequency band is divided into a plurality of channels, and a jamming signal is generated for each channel. Thus, the generation of noise signals is controlled for each channel. A detailed description thereof will be given later in detail with reference to FIGS. 2 to 10.

The RF controller 120 controls the output of the jamming signal for each channel generated by the signal processor 110. In addition, spurious and secondary harmonic signal components other than the desired jamming signal generated according to the embodiment of the present invention are removed. In addition, according to an embodiment of the present invention, as shown in FIG. 13, a signal for each channel is switched by the RF switch and selectively output.

The amplifying unit 130 amplifies the jamming signal selectively output through the RF controller 120 to a desired output signal. In addition, the amplifying unit 130 detects whether the jamming signal output of the radio disturbing apparatus is smoothly transmitted through the antenna 140 according to an embodiment of the present invention.

The antenna 140 emits the jamming signal amplified through the amplifier 130 into a free space.

Hereinafter, detailed configurations and functions of the respective components will be described in detail with reference to FIGS. 2 to 15. FIG. 2 to 10, detailed configuration and function of the signal controller 110 will be described in detail.

2 is a diagram illustrating a detailed configuration of a signal processing unit according to an embodiment of the present invention. 2, the signal processing unit 110 of the radio wave disturbing apparatus generates a jamming signal for each channel as described above according to an embodiment of the present invention, and includes a control voltage generating unit 210, a sine wave generating unit 220, A noise signal generator 230, a mixer 240, and a VCO (Voltage Controlled Oscillator) 250.

The VCO control voltage generator 210, the sinewave generator 220 and the noise generator 230 are controlled by the control signal of the main controller 100, Signal. Therefore, the main control unit 100 controls the digital signal by a preset program, generates the VCO control voltage through the control voltage generating unit 210, and outputs the sine wave and generates a noise signal (e.g., a white noise signal) through the noise signal generating unit 230. [ Therefore, the center frequency and the frequency band for each channel of the jamming signal can be set by the control signal of the main control unit 100. [ Therefore, by setting the center frequency and the frequency band for a plurality of channels, a broadband radio wave disturbing apparatus can be realized.

The signals generated by the control voltage generator 210, the sine wave generator 220 and the noise signal generator 230 are combined in the mixer 240 and supplied to the VCO 250. The VCO 250 outputs a jamming signal having a frequency corresponding to the voltage value of the signal output through the mixer 240. 3 to 10, each of the components constituting the signal processing unit 110 will be described in more detail.

3 is a diagram showing a detailed configuration of a control voltage generator according to an embodiment of the present invention. 3, the control voltage generator 210 may include a digital-to-analog converter (DAC) 300, and may include a digital control signal from the main controller 100, Into analog voltage signals and outputs them. At this time, as shown in the figure, the output signal of the DAC 300 is a signal having a constant voltage level, and the center frequency of the jamming signal can be set by the voltage level. Therefore, the output signal of the DAC 300 becomes the control voltage TTL of the VCO 250.

That is, when the DAC 300 is operated by a preset program in the main control unit 100 to catch the center frequency Fc of the jamming signal, the DAC 300 outputs the digital signal at a constant voltage as shown in the figure. Therefore, by controlling the VCO 250 with the voltage, the center frequency of the jamming signal can be set. For example, a jamming signal having a center frequency of 879 MHz can be generated by outputting a voltage of 1.2 V. Therefore, as the output voltage of the DAC 300 of 1.2 V, a jamming signal of 864 MHz to 894 MHz band having a center frequency of 879 MHz can be generated.

4 is a diagram illustrating a detailed configuration of a sine wave generating unit according to an embodiment of the present invention. The sine wave generating unit 220 outputs a sine wave to determine a frequency band range of the jamming signal for each channel generated by the signal processing unit 110. That is, the voltage level of the signal output from the control voltage generator 210 is set as the center frequency of the jamming signal of the corresponding channel, and the voltage level of the signal of the corresponding channel according to the voltage range of the sine wave output from the sine wave generating unit 220 The frequency band range of the jamming signal can be determined.

4, the sinusoidal wave generator 220 may include a DAC 410 and a direct digital synthesis (DDS) 420 according to an embodiment of the present invention. The DAC 410 and the DDS 420 receive and process digital control signals from the main control unit 100, respectively.

More specifically, the DAC 410 outputs an adjust voltage as an analog control signal in accordance with the digital control signal of the main control unit 410.

The DDS 420 outputs a sinusoidal wave according to the control signal of the main control unit 100 and adjusts the peak to peak value of the sinusoidal wave output from the adjustment voltage signal of the DAC 410 do.

Therefore, when the digital signal pre-programmed in the main control unit 100 operates the DDS 420, a sinewave as shown in FIG. 4 is outputted. The output sinusoidal wave is a voltage for controlling the VCO 250 do.

The DAC 410 outputs a voltage capable of controlling the DDS 420 (for example, 0.2 V to 1.2 V) when the digital signal pre-programmed in the main control unit 100 operates the DAC 410 . The amplitude of the sinusoidal wave can be controlled by controlling the DDS 420 with the output voltage of the DAC 410 as described above. The amplitude of the sinusoidal wave may correspond to the frequency band of the signal output from the VCO 250. Therefore, the main control unit 100 can set the period of the sinusoidal wave by providing the control signal to the DAC 410 according to a preset value.

For example, the cycle of the sine wave can be set to 0.5 mu s (2 MHz) to 2 mu s (0.5 MHz), and can be controlled in units of 0.5 mu s (0.5 MHz) according to the control signal.

5 is a circuit diagram illustrating a noise signal generator according to an embodiment of the present invention. Referring to FIG. 5, the noise signal generating unit 230 may be constructed by constructing a circuit as shown in FIG. 5, and the present invention is not limited to the illustrated circuit. That is, the noise signal can be generated by various methods.

Noise signal or white noise is the noise caused by the free motion of discrete electrons physically inside the conductor, also known as Johnson noise. The apparatus according to the embodiment of the present invention is used as a jamming signal for radio wave disturbance by controlling the VCO in combination with the sinusoidal signal of the DDS 420. [

Thus, the white noise signal as shown in FIG. 6 can be generated by the circuit implemented in FIG. 6 is a diagram showing an output waveform of a noise signal generator according to an embodiment of the present invention.

7 is a view showing a mixer of a signal processing unit according to an embodiment of the present invention. Referring to FIG. 7, the mixer 240 mixes output signals of the control voltage generator 210, the sine wave generator 220, and the noise signal generator 230, as shown in FIG.

For example, the sine wave output from the DDS 420 of the sine wave generating unit 220 and the white noise signal output from the noise signal generating unit 230 are combined and output by the mixer 240. At this time, the sinusoidal wave is mixed with the control voltage signal output from the control voltage generator 210 and becomes a sinusoidal wave of a constant voltage level. The mixed signals are input to the VCO 250 and become control signals of the VCO 250.

8 is a diagram illustrating a VCO of a signal processing unit according to an embodiment of the present invention. Referring to FIG. 8, a voltage signal is controlled by a signal output from the mixer 240 of FIG. 7 to output a signal having a frequency corresponding to the voltage.

The VCO 250 is a voltage controlled oscillator (VCO) that outputs a jamming signal and outputs a desired frequency through the control voltage.

9 is a graph showing the input / output relationship of the VCO of the signal processing unit according to the embodiment of the present invention. Referring to FIG. 9, a signal of a corresponding frequency may be output according to the voltage level of a sine wave input to the VCO 250 in FIG. For example, in FIG. 9, it can be seen that when the voltage level of the sine wave is 0.8 V, a signal having a frequency of 879 MHz can be output. Also, when the voltage level of the sine wave is 0.5 to 1.1 V, it can be seen that a signal having a frequency of 864 MHz to 894 MHz is output. In this way, the center frequency and the frequency band of the jamming signal output according to the voltage level of the signal input to the VCO 250 can be determined.

9, when the voltage controlled oscillator (VCO) is controlled by combining the sine wave generated by the DDS 420 of the sine wave generating unit 220 and the noise signal generating unit 230, The same jamming signal (radio wave disturbance signal) can be generated. 10 is a graph showing an input / output waveform of a VCO of a signal processing unit according to an embodiment of the present invention. Meanwhile, the output signal of the VCO 250 is CW (Continuous Wave) and has a certain frequency band with a specific center frequency

Meanwhile, one of the propagation disturbance bands in FIG. 10 means one channel in the present invention. Therefore, by generating a plurality of signals for the respective channels, a broadband jamming signal can be generated.

11 is a diagram illustrating a signal processing unit for outputting a plurality of channel signals according to another embodiment of the present invention. Referring to FIG. 11, a jamming signal for a plurality of channels can be output by configuring the signal processing unit 1100 as a plurality of signal processing units according to an embodiment of the present invention.

For example, the first control voltage generating unit 1111a, the first sine wave generating unit 1112a, the first noise signal generating unit 1113a, the first mixer 1120a, and the first VCO 1130a perform the above- A second noise signal generator 1113b, a second mixer 1120b, a second VCO 1130b, and a second mixer 1120b are generated, and a second control signal is generated by a second control voltage generator 1111b, a second sine wave generator 1112b, The second channel signal is generated in the same manner as described above and the Nth control voltage generator 1111N, the Nth sine wave generator 1112N, the Nth noise signal generator 1113N, The mixer 1120N, and the N-th VCO 1130N may generate an N-channel signal according to the above-described method. In this way, a jamming signal for a plurality of channels can be generated by configuring the signal processing unit as many as the desired number of channels. Hereinafter, it is assumed that four channel signals are generated by four signal processing units for convenience, and the present invention is not limited to the above-described number.

The signal processing unit 110 according to the embodiment of the present invention has been described in detail with reference to FIGS. 2 to 11. Hereinafter, the RF control unit will be described with reference to FIG. 12 and FIG.

The RF controller 120 removes the jamming signal for each channel generated by the signal processor 110 according to the embodiment of the present invention, and can perform system output control and switching.

For example, the RF controller 120 may include a first MMIC (Monolithic Microwave IC) 1210, an attenuator (ATT) 1220, a first LPF (Low Pass Filter) 1220, Band pass filter) 1230 and may include an RF switch 1240, a second LPF 1250, and a second MMIC 1260 for a plurality of channels.

The first MMIC 1210 or the second MMIC 1260 is a high frequency integrated circuit for mounting / fabricating an active device and a passive device on a single semiconductor substrate, and can perform functions such as amplification of a weak signal and frequency conversion . According to the embodiment of the present invention, the manufacturing yield can be increased by reducing the size and weight of the high-frequency system as well as the number of parts used by the MMIC. Therefore, in the embodiment of the present invention, the jamming signal for each channel received from the signal processing unit 110 is amplified to a certain level.

The attenuator 1220 is a digital attenuator for maintaining the amplified signal of the first MMIC 1210 at a predetermined level. According to an embodiment of the present invention, the attenuator 1220 serves to adjust the output of the device.

The first LPF 1210 and the second LPF 1250 serve to remove a signal (2nd) other than the jammer signal generated in the signal processing unit.

The RF switch 1240 switches the jamming signal for each channel provided by the signal processing unit 110 to widen the channel band range of the jamming signal.

For example, the first channel is set to 20 MHz to 50 MHz, the second channel is set to 50 MHz to 100 MHz, the third channel is set to 100 MHz to 200 MHz, the fourth channel is set to 200 MHz to 400 MHz, By switching at regular time intervals, it is possible to disturb radio waves in the 20MHz to 400MHz band.

In FIG. 12, a plurality of channel signals may be combined using a combiner instead of the RF switch 1240 of the RF controller 120.

13 is a timing diagram for channel switching in an RF switch 1240 according to an embodiment of the present invention. Referring to FIG. 13, it is possible to selectively output each channel signal by switching the four channels in chronological order. However, the present invention is not limited to the channel selection method shown in FIG.

The components of the RF controller 120 may be controlled according to a control signal of the main controller 110.

14 is a diagram showing a detailed configuration of an amplification unit according to an embodiment of the present invention. 14, the amplifying unit 130 according to the embodiment of the present invention includes an over input protection unit 1410, an MMIC 1420, a filter and equalizer 1430, a gain control unit Gain (ADJ) 1440, an output amplifying part (TR) 1450, an isolator 1460, an output detecting part 1470, and the like.

 And the input protection unit 1410 are circuits configured to protect the internal elements of the amplification unit 130 when the signal provided from the RF control unit 120 of the apparatus according to the present invention exceeds the input range of the amplification unit 130 And the internal elements of the amplification unit 130 are protected from the input, and a stable output is assured.

The MMIC 1420 is a high-frequency integrated circuit for mounting / fabricating an active device and a passive device on a single semiconductor substrate. The MMIC 1420 can perform functions such as amplifying a weak signal and performing frequency conversion and the like. As described above, It is possible to reduce the number of parts used as well as the size and weight of the high frequency system in the apparatus according to the present invention, thereby increasing the production yield.

The filter and equalizer 1430 can maintain the output level of the amplifier 130 constant.

The gain adjusting unit 1440 can maintain the gain of the amplifying unit 130 constant.

The output amplifier 1450 amplifies a weak jamming signal by a desired output as the main transistor TR. Meanwhile, according to the embodiment of the present invention, the transistor of the output amplification part 1450 has a higher efficiency than that of the conventional LDMOS and MOSFET using TR and is broadband.

The isolator 1460 is a passive element that prevents the amplified signal from the output amplification part 1450 from returning to the output amplification part 1450 again.

The output detector 1470 detects forward and reverse outputs and sends the detected forward and reverse outputs to a controller (not shown) of the amplifier 130. Also, although not shown in FIG. 14, a power source unit may be further provided to supply the power source of the amplifier unit 130 constantly. For example, a power source unit of 27 V (DC) may be used.

Meanwhile, the amplifying unit 130 may further provide the following functions.

Temp Monitor (Temp Monitor): Detects the temperature inside the amplifier and sends it to the amplifier controller.

Temp Shutdown & Auto Recovery: When the temperature inside the amplification unit 130 rises above a value set by the control unit in the amplification unit 130, the amplification unit 130 is turned off. When the temperature is lowered, the amplifier unit 130 is turned on again.

VSWR (Standing Wave Ratio) Shutdown Function: The control unit in the amplifying unit 130 can turn off the output of the amplifying unit 130 according to whether the output terminal of the amplifying unit 130 is coupled or not.

FWD (forward) power monitoring function: When the forward output amount of the amplification unit 130 is detected and sent to the control unit in the amplification unit 130, the control unit compares the forward output amount with the set value, Lt; / RTI >

RVS (reverse) power monitoring function: When the output of the amplifying unit 130 is detected from the antenna 140 and sent to the control unit in the amplifying unit 130, the control unit compares the output value with the set value, To the main control unit 100. [

Enable (Active Low): The main control unit 100 can turn on / off the amplification unit 130 according to whether the amplification unit 130 and the apparatus are abnormal.

15 is a diagram showing input / output signal waveforms of an antenna according to an embodiment of the present invention. The antenna 140 is a conversion device for transmitting or receiving electromagnetic waves of a specific region. The antenna 140 according to the embodiment of the present invention radiates the jamming signal amplified from the amplifier 130 into a free space.

For example, according to the embodiment of the present invention, the antenna 130 may use a wide band (20 MHz to 400 MHz, 400 MHz to 1200 MHz, 1200 MHz to 2400 MHz, 2400 MHz to 3600 MHz, 3600 MHz to 4800 MHz, 4800 MHz to 6000 MHz)

16 is a block diagram illustrating a configuration of a radio wave disturbing apparatus that supports multi-band according to an embodiment of the present invention. The broadband radio disturbing apparatus according to the embodiment of the present invention can increase the efficiency of the equipment and reduce the size and power of the equipment. Referring to FIG. 16, an apparatus according to an embodiment of the present invention can output a wideband jamming signal by RF switching.

For example, as described above, a desired jamming signal can be generated by controlling the VCO using a noise signal and a sine wave for each channel. At this time, a jamming signal for a plurality of channels is combined using an RF switch for each band, and a jamming signal for a plurality of channels is switched.

For example, referring to FIG. 16, a first band may be composed of four channels (first to fourth channels). In this case, the first channel may be allocated to a frequency band of 20 to 50 MHz, the second channel may be allocated to a frequency band of 5 to 100 MHz, the third channel may be allocated to a frequency band of 100 to 200 MHz, and the fourth channel may be allocated to a frequency band of 200 to 400 MHz. Thus, the first band can cover 20 to 400 MHz. At this time, as shown in FIG. 13, the first RF switch for the first band can selectively output the signals of the first channel through the fourth channel by switching in time.

Likewise, the second band may also be composed of four channels (first channel to fourth channel). In this case, the first channel may be allocated to a frequency band of 400 to 600 MHz, the second channel may be allocated to a frequency band of 600 to 8000 MHz, the third channel may be allocated to a frequency band of 800 to 1000 MHz, and the fourth channel may be allocated to a frequency band of 1000 to 1200 MHz. Therefore, the second band can cover 400 to 1200 MHz. At this time, as shown in FIG. 13, the second RF switch for the second band can selectively output the signals of the first channel through the fourth channel by switching in time.

In the same manner, the third band covers 1200 to 2400 MHz, the fourth band covers 2400 to 3600 MHz, the fifth band covers 3600 to 4800 MHz, and the sixth band covers 4800 to 6000 MHz. In FIG. 16, jamming signals are outputted for six bands, but the present invention is not limited thereto.

In addition, although an amplifier and an antenna are separately provided for each band in FIG. 16, according to another embodiment of the present invention, one amplifier and / or an antenna may be shared for a plurality of bands.

Conventionally, in order to jam the wide band (20 MHz to 6 GHz) by the conventional method, the size and high power of the equipment are required. Therefore, according to the embodiment of the present invention, the size and power consumption of the equipment can be reduced by switching and outputting the jamming signal for each channel by the RF switch. In addition, the broadband jamming device can be implemented in this manner, and the jamming signal can be controlled to be on or off with respect to a specific frequency band.

That is, the jamming signal can be amplified to a desired output by using the apparatus according to the embodiment of the present invention, and the jamming signal can be radiated into the free space through the wideband antenna. At this time, the signal radiated through the antenna can maintain the waveform as shown in FIG.

17 and 18 are diagrams illustrating jamming signal control for each channel according to an embodiment of the present invention.

17, a wide band of 20 MHz to 6000 MHz is divided into a plurality of bands (for example, six bands in FIG. 17), and each band may be divided into a plurality of channels (for example, four channels in FIG. 17) .

On the other hand, when the user desires to communicate with the outside in the jamming area, the user can secure the ownership by controlling each channel according to the embodiment of the present invention without turning off the entire jamming device.

FIG. 18 shows an example in which the main control unit 100 can control each channel and turn off a specific channel to secure a communication right.

17 and 18 have four channels for each band in six bands, and the bandwidth of each channel can be controlled in units of 1 MHz as a digital signal in the main control board.

Therefore, the apparatus to which the method according to the embodiment of the present invention is applied can be protected from the terrorist attacks of the remote-controlled explosives by the military, the police and the VIP protection guards, and can smoothly perform operations in the operation area (jammer area) can do.

For example, referring to FIG. 18, a third channel of the third band is turned off, and a jamming signal is not output in the corresponding channel, so that the call can be performed using the corresponding channel.

The invention has been described above with the aim of method steps illustrating the performance of certain functions and their relationships. The boundaries and order of these functional components and method steps have been arbitrarily defined herein for convenience of description. Alternative boundaries and sequences may be defined as long as the specific functions and relationships are properly performed. Any such alternative boundaries and sequences are therefore within the scope and spirit of the claimed invention. In addition, the boundaries of these functional components have been arbitrarily defined for ease of illustration. Alternative boundaries can be defined as long as certain important functions are properly performed. Likewise, the flow diagram blocks may also be arbitrarily defined herein to represent any significant functionality. For extended use, the flowchart block boundaries and order may have been defined and still perform some important function. Alternative definitions of both functional components and flowchart blocks and sequences are therefore within the scope and spirit of the claimed invention.

As described above, the present invention has been described with reference to particular embodiments, such as specific elements, and specific embodiments and drawings. However, it should be understood that the present invention is not limited to the above- And various modifications and changes may be made thereto by those skilled in the art to which the present invention pertains.

Accordingly, the spirit of the present invention should not be construed as being limited to the embodiments described, and all of the equivalents or equivalents of the claims, as well as the following claims, belong to the scope of the present invention .

100: main control unit 110: signal processing unit
120: RF control unit 130:
140: antenna 210: control voltage generator
220: Sinusoidal wave generator 230: Noise signal generator
240: Mixer 250: VCO
300, 410: DAC 420: DDS
1100: Signal processing unit 1111: Control voltage generating unit
1112: Sinusoidal wave generating unit 1113: Noise signal generating unit
1120: Mixer 1130: VCO
1210: First MMIC 1220: Attenuator
1230: first LPF 1240: RF switch
1250: second LPF 1260: second MMIC
1410: input protection unit 1420: MMIC
1430 filter and equalizer 1440 gain adjuster
1450: output amplifying part 1460: isolator
1470: Output detector

Claims (17)

A signal processing unit for generating jamming signals for each channel for a plurality of channels;
An RF controller for selecting and outputting a jamming signal for a specific channel among the jamming signals for each channel received from the signal processor; And
And a main control unit for providing a control signal for generating a jamming signal for each channel to the signal processing unit,
The signal processing unit,
A control voltage generator for generating a control voltage of the voltage controlled oscillator (VCO) according to a control signal of the main control unit;
A sine wave generating unit for generating a sine wave according to the control signal of the main control unit;
A noise signal generator for generating a noise signal;
A mixer for mixing and outputting the signals generated by the control voltage generator, the sine wave generator, and the noise signal generator; And
And a voltage controlled oscillator for outputting a jamming signal having a frequency corresponding to the voltage value of the signal output through the mixer.
The method of claim 1,
A broadband radio disturbance apparatus using a noise signal, which is a channel allocated to adjacent frequency bands.
The apparatus of claim 1,
And provides a control signal to the RF controller to select a jamming signal for each channel.
2. The apparatus of claim 1,
And sequentially selects each channel among a plurality of jamming signals for each channel according to a preset time timing.
delete 2. The apparatus of claim 1, wherein the control voltage of the control-
Wherein the noise signal is a voltage value corresponding to a center frequency of the jamming signal.
The apparatus of claim 1, wherein the sinusoidal wave generated by the sinusoidal wave generating unit includes:
Wherein the peak-to-peak voltage value is a voltage value corresponding to the bandwidth of the jamming signal.
2. The apparatus of claim 1, wherein the control voltage generator comprises:
And a digital-to-analog converter for converting the digital control signal received from the main control unit into an analog voltage signal.
The apparatus of claim 1, wherein the sinusoidal wave generating unit comprises:
A digital-to-analog converter for converting the digital control signal received from the main control unit into an analog voltage signal; And
And a direct digital waveform synthesizer for generating a sine wave by the digital control signal received from the main control unit and the output signal of the digital-to-analog converter.
2. The apparatus of claim 1,
A broadband radio disturbance device using a noise signal, comprising at least one MMIC (Monolithic Microwave Integrated Circuit) per channel.
2. The apparatus of claim 1,
And at least one attenuator (ATT (Digital Attenuator)) for each channel.
2. The apparatus of claim 1,
Wherein at least one low-pass filter is provided for each channel.
2. The apparatus of claim 1,
A broadband radio disturbance apparatus using a noise signal, comprising at least one RF switch or combiner in a plurality of channels.
2. The apparatus of claim 1,
And an amplifying unit amplifying the jamming signal selectively output through the RF controller to a desired output signal.
15. The image pickup apparatus according to claim 14,
And an input protection unit, an MMIC, a filter and an equalization unit, a gain control unit, an output amplification unit, an isolator, and an output detection unit.
2. The apparatus of claim 1,
N signal processing units for each band for a plurality of frequency bands; And
And N RF control units corresponding to the respective signal processing units for each of the bands.
14. The apparatus according to claim 1 or 13,
And a jamming signal for each channel received from the signal processing unit is combined into one output using a combiner or an RF switch of the RF control unit or a jamming signal of a specific channel is turned off, Broadband Propagation Disturbance Device Using Noise Signals.

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