KR20200136272A - Transmitting and receiving apparatus of a microwave directional wireless communication system equipped with an antenna alignment holding device - Google Patents

Abstract

The present invention relates to an antenna auto-alignment retainer of a directional wireless communication system. The present invention is attached to the back of antennas of home and counterpart countries in ultra-high frequency mobile communication. As a result, it is possible to achieve a stable communication by automatic radio radiation direction navigation and tracking. The retainer for automatic antenna alignment includes: a counterpart country information generating unit generating counterpart country information from operator input or received data; a pan-satellite navigation system receiver for receiving a global satellite navigation system GPS (United States), Galileo (European Union), GLONASS (Russia), BeiDou (China), NAVIC (India), QZSS (Japan) (GPS signal); a gyro sensor for detecting the antenna posture and direction of the home country; a signal level change detection unit for signal level change detection; a manual operation unit for manual antenna direction operation in a manual mode in the event of an automatic mode failure; a vertical actuator vertically adjusting the orientation direction of the antenna in accordance with a vertical rotation command; a main controller outputting a horizontal/vertical rotation command by receiving the input of a signal from the operation detection unit of the antenna in accordance with a horizontal rotation command such that the antenna of the home country matches the direction of the counterpart country antenna; and a sub controller manually adjusting the direction of the antenna in accordance with the input of the manual operation unit in the manual mode or controlling the horizontal actuator and the vertical actuator by receiving the input of detection signals of gyro sensors and the control command of the main controller in the automatic mode.

Description

TECHNICAL FIELD The transmitting and receiving apparatus of a microwave directional wireless communication system equipped with an automatic antenna alignment holding device

The present invention relates to a transmission/reception device with an antenna automatic alignment device for stabilizing communication in a directional wireless communication system, and more particularly, in ultra-high frequency mobile communication, it is attached behind the antennas of the host and the host to automatically search for the direction of radio wave radiation and It relates to a transmission and reception device of an ultra-high frequency directional wireless communication system equipped with an antenna automatic alignment maintenance device capable of stabilizing communication by tracking.

In general, an ultra-high frequency mobile communication antenna is arranged so that an antenna that is mounted on a vehicle and is movable and an antenna such as another mobile station, a fixed station, or an air vehicle face each other to communicate in a line of sight (LOS) method.

Unlike a fixed antenna, such an ultra-high frequency mobile communication antenna may change its direction even after installation, so it is necessary to adjust the direction of the antenna at any time so that it is positioned in a forward direction with the player.

However, since there is no device for automatically aligning the direction of the antenna in the related art, the operator has to check the direction of the antenna from time to time and adjust it manually, which is inconvenient to operate and has a problem in that maintenance cost is high. In other words, conventionally, since both the antenna adjustment method of the mobile station and the playing station is possible only manually, a novice operator, not an experienced operator, takes a lot of time and effort to adjust the antenna direction, thereby hindering the operation of the communication network. .

The present invention has been proposed to solve the above problems, and an object of the present invention is attached to a directional antenna between the host and the host (fixed station, mobile station, aircraft) in ultra-high frequency mobile communication, so that the GPS or worldwide Global satellite navigation system Receives satellite signals and receives information on each location (latitude, longitude, altitude), attaches true north gyro sensor, antenna horizontal angle sensor, and antenna vertical angle sensor to draw out the position signals of each of the host/player stations Automatically calculates the direction of each other by sending it to each other, and then rotates the horizontal/vertical drive motor to direct each other's antenna radiation direction, and then automatically searches and tracks the direction of radio wave radiation to stabilize communication. It is to provide a transmission and reception device for an ultra-high frequency directional wireless communication system with an alignment maintenance device attached.

In addition, another object of the present invention is to detect and track the direction of travel of the vehicle by extracting a 3-band signal (sum, vertical difference, horizontal difference) by replacing and mounting the own antenna feed for a monopulse when a large power is a mobile aircraft, In the case of an unmanned aerial vehicle, it is to provide a transmission/reception device of an ultra-high frequency directional wireless communication system equipped with an antenna automatic alignment maintenance device capable of automatically searching and tracking the direction of radio wave radiation by instructing to change direction when necessary.

In order to achieve the above object, the apparatus of the present invention comprises: a game information generation unit for generating game information from an operator's input or received data; A GPS or satellite navigation system receiver for receiving a GPS or global satellite navigation system signal; A gyro sensor for detecting the attitude of an antenna of the own country; A signal level fluctuation detector for detecting fluctuations in the signal level; A manual operation unit for manually manipulating the entire antenna direction in a manual mode in case of automatic alignment maintenance failure; A vertical actuator for vertically adjusting the direction of the antenna according to the vertical rotation command; A horizontal actuator for horizontally adjusting the direction of the antenna according to the horizontal rotation command; A main controller for receiving signals from the game information generation unit, the GPS or satellite navigation system receiver, and the signal level fluctuation detection unit and outputting a horizontal/vertical rotation instruction so that the antenna of the local station coincides with the direction of the game antenna; And a unit for manually adjusting the direction of the antenna according to the input of the manual operation unit in the manual mode or receiving a control command of the main controller and the detection signal of the gyro sensor in the automatic mode to control the vertical actuator and the horizontal actuator. It characterized in that it comprises a controller.

In the case of a flying vehicle, the monopulse feed horn is replaced and attached to the antenna of the host, and the automatic alignment maintenance device receives the horizontal difference signal, the vertical difference signal, and the total sum signal from the monopulse feed horn to generate a tracking signal. A pulse receiver is further provided, and the main controller receives one of an output of the game information generation unit or an output of the monopulse receiver.

The main controller receives the output of the game information generation unit, the output of the monopulse receiver, the output of the GPS or range navigation system receiver, and the output of the low-pass filter, and generates a tracking signal according to a predetermined algorithm. It consists of a tracking algorithm calculation unit and a total rotation instruction command unit that generates a horizontal/vertical rotation command so that the direction of the antenna of the host and the antenna of the game is automatically aligned according to the output of the scanning/tracking algorithm.

The sub-controller includes a horizontal angle sensor, a vertical angle sensor, a base gyro sensor, a detection and feedback signal processing unit that generates a feedback signal from a signal light of a low-pass filtered signal level detection unit, and an output and detection and feedback signal processing unit of the entire rotation instruction command unit. A game-oriented signal processing unit that receives a feedback signal from and generates a game-oriented control signal, and generates a rotation control signal of the motor according to the automatic control signal of the game-oriented control signal processing unit in automatic mode, or input of the manual operation unit in manual mode. It is composed of a motor rotation control unit that generates a rotation control signal of the motor according to.

In addition, in order to achieve the above object, the antenna automatic alignment maintenance apparatus of the present invention automatically acquires the location from the GPS of the home country and the global global satellite navigation system when power is applied, and receives the location information of the game from the user manually. , The initializing step of receiving and storing the detected values from the home's antenna orientation and vertical angle sensor, horizontal angle, sensor, and azimuth sensor, orientation step in which the home and the game automatically rotate the primary antenna direction, and the home station is a box After scanning and precise tracking, and temporarily stopping, the game is raster scanned to precisely track the self-alignment to maintain automatic alignment, and when signal level fluctuations occur after stabilization, step-tracking continues to stabilize the direction of the host and the game. Perform the step of making.

The stabilization step of maintaining the automatic alignment includes acquiring fluctuations in angle data of the antenna rotation axis posture, the vertical angle sensor, the pitch of the horizontal angle sensor, the roll, and the yaw component due to shaking, and the game through an inverse kinematic equation or a regular kinematic equation. In order to aim, the step of calculating the target orientation angle to compensate for the fluctuating values of the pitch, roll, and yaw angle of the mast, and the angle entered while maintaining automatic alignment by the operator, visual box scan, raster scan, step tracking, mono In order to select one of the pulse tracking signals and move to the desired angle, divide a large angle range into the same form as the value input from the vertical angle sensor and the horizontal angle sensor, and divide it into a predetermined value (0.1~0.05) every predetermined (100) Hz. The step of matching the horizontal and vertical angles, and the signals selected by the operator to the target angle calculated using the forward or inverse kinematic equation, i.e., box scan (square spiral scan), raster scan (raster scan), and stem tracking. The step of decomposing the maximum signal into small angles, the step of detecting a positioner error by feeding back the antenna angular velocity output, multiplying the position error error and the acquired power, synthesizing it with the speed control signal in a synthesizer, and converting digital to analog, and the vertical/horizontal reduction motor drive It may include the steps of driving the amplifier to rotate the antenna vertical/horizontal angle, and stopping the rotation when the error error signal disappears as a result of the feedback, maintaining stabilization and communicating.

The transmitting and receiving device of the ultra-high frequency directional wireless communication system according to the present invention can quickly stabilize the communication by automatically searching and tracking the direction of radio wave radiation in the ultra-high frequency mobile communication by the antenna automatic alignment maintenance device attached behind the antennas of the host and the host. There is an advantage that even a novice operator can easily operate a communication facility.

1 is a self-contained example configuration of an ultra-high frequency mobile communication system equipped with an antenna automatic alignment maintenance device according to the present invention,
2 is a view showing a side view of an antenna attached to a direction automatic alignment search tracking device on a mast according to the present invention;
3 is a schematic plan view of an antenna system according to the present invention,
4 is a view showing a feed horn according to an embodiment of the present invention,
5 is a block diagram of a system configuration of a micro external transmission/reception device including an antenna direction automatic energy maintenance device according to the present invention;
6 is a flow chart showing a procedure for automatically re-tracking and stabilizing when a signal level fluctuates due to wind speed of an external environment of a mast according to the present invention;
7 is a flow chart showing a procedure for stabilizing communication by automatically searching and tracking an antenna direction signal by a host and a player according to the present invention;
8 is a diagram illustrating a box scan and a raster scan applied to the present invention.

The present invention and the technical problem achieved by the implementation of the present invention will become more apparent by the preferred embodiments of the present invention described below. The following embodiments are merely illustrative for describing the present invention, and are not intended to limit the scope of the present invention.

FIG. 1 is a diagram showing an example of a configuration of a host-playing station in an ultra-high frequency mobile communication system to which the present invention is applied. When the host 10 is a mobile station and the first player 20-1 is a mobile station, the second player 20- 2) When this is a fixed station, it shows a case where the third power (20-3) is an air vehicle.

Referring to FIG. 1, after mounting communication equipment (300 in FIG. 2) in the mobile vehicle 10a for wireless communication, the host 10 automatically sets the direction of the host antenna 12 to the direction of the game antenna 22. It is a device that enables communication stabilization by tracking alignment.

In addition, the antenna 12 of the own country is attached to the mast 14, and the GPS or global global satellite navigation system receiver 16 that informs the location of the own country 10 is provided as an enclosure of the antenna automatic alignment maintenance device 100. After attaching to the device to receive the longitude, latitude, and altitude information of the country, it is transmitted to the host country using a walkie-talkie, mobile phone, or telephone, and a gyro sensor is attached to provide true north direction information and GPS such as GPS or satellite navigation system received signal information. The signal information is automatically integrated and calculated by software (SW) to automatically track the direction of the antenna in the direction of the game to maintain alignment.

When the playing station (20-1) is a mobile station, the playing station (20-1) is also installed in the same manner as the host station (10) to exchange between the host and the playing station, and maintain stable communication through automatic alignment tracking.

In the case of a fixed power station (20-2), after attaching the antenna on the mast supported by the fixed structure, the antenna automatic alignment maintenance device 100 is attached to the rear of the antenna so that the direction of the antenna of the host and the direction of the antenna of the game match. To maintain stable communication.

In the case where the game station (20-3) is a flying vehicle, the GPS signal of its movement position is sent to the host country 10 through an antenna through a communication device built into the vehicle to automatically track. In this case, the local station 10 replaces and additionally attaches a monopulse feed to enable monopulse tracking, additionally attaches a monopulse receiver, and operates by switching the switchover switch in the primary controller (ACU).

2 to 4 are views showing a configuration in which an antenna and an antenna automatic alignment maintenance device are attached on a mast according to the present invention, and FIG. 2 is a schematic side cross-sectional view, FIG. 3 is a plan view, and FIG. 4 is In the case of an aircraft, a diagram showing a monopulse feed horn.

2 to 3, the antenna automatic alignment maintenance apparatus 100 according to the present invention is attached behind the antenna reflector 12 to attach a vertical drive drive amplifier reduction motor 112 and an angle sensor 114, and A driving drive amplifier, a reduction motor 122, and an angle sensor 124 are attached, and a GPS antenna receiver 16 is attached to detect the location information of the local station, and the main control board 140, the sub-control board 150, It is a device that maintains stable communication by attaching the input/output board 160 or the like to automatically calculate the antenna orientation direction of the player by software (SW) and automatically track and align it. Referring to FIG. 4, the monopulse feed horn 101 is configured to output Σ, ΔE, ΔAZ from the BB side by four waveguide inputs from the AA side in the case of tracking a vehicle, and a circular waveguide in the case of a land vehicle. , In the case of non-terrestrial monopulse, it is a visual waveguide, and the feed horn is fastened to the reflector by the feed horn fastening flange.

5 is a block diagram of an apparatus for maintaining automatic antenna alignment according to the present invention.

The antenna automatic alignment maintenance apparatus 100 according to the present invention includes a game information generation unit 105 for generating game information from an operator's input or received data, and a game information generation unit 105 or A main controller 140 that receives an output signal from the monopulse receiver 130 and outputs a horizontal and vertical rotation instruction, and a sub controller that outputs a motor rotation signal by receiving a control command from the main controller 140 and a sensing signal from sensors ( 150) and a vertical actuator motor 112 that corrects the direction of the antenna vertically according to the vertical rotation command of the sub-controller 150, and the direction of the antenna horizontally according to the vertical rotation command of the sub-controller 150. A horizontal actuator motor to adjust 122, a GPS receiver 16 for receiving a GPS signal, a base gyro sensor 173, an antenna mast gyro sensor 174, a modulator 175, an angle indication and manual adjustment unit 172 ).

In the case of tracking the vehicle, referring to FIG. 5, the host antenna 12 includes a monopulse horn 101 to provide a sum signal (∑), a horizontal difference (ΔAz), and an equation difference signal (ΔEl), and The multiplexer 314 transmits the signal amplified by the high power amplifier 312 from the data transmission device 310 to the antenna 12 side and the received signal to the receiver 320 side, thereby making transmission and reception disadvantageous. In addition, the received signal of the antenna is amplified by the low noise amplifier 322 and then partially transmitted to the receiver through the reception modem demux 324, and the other part is transmitted to the reception device 102 and the monopulse receiver 130.

The mono-pulse receiver 130 processes the signal received from the mono-pulse feed horn 101 and transmits it to the main controller 140, and the game information generator 105 is a GPS signal of the game inputted from the receiving device 102. Generates game information to track the antenna of the game from the input of the player and the operator, and in the event of automatic alignment maintenance failure, the manual operation unit 171 provides a manual operation signal to the sub-controller 150, and an angle indication and manual adjustment unit 172 ) Indicates the angle and allows you to manually adjust the direction of the antenna according to the operator's operation in the manual mode.

The low-pass filter 176 receives the signal modulated by the modulator 175 by the detection signal of the signal level fluctuation detection unit 177 and the Athena mast gyro sensor 174, and substitutes the filtered output with the main controller 140. It is provided to the controller 150.

The horizontal actuator 120 is composed of a horizontal drive amplifier 126, a horizontal deceleration motor 122, and a horizontal angle sensor 124 to adjust the horizontal angle of the antenna according to the horizontal angle control signal from the sub-controller 150, and The actuator 110 is composed of a vertical drive amplifier 116, a vertical deceleration motor 112, and a receiving angle sensor 114 to adjust the vertical angle of the antenna according to the vertical angle control signal of the sub-controller 150. Here, in case of automatic failure, after switching to the manual mode, the horizontal drive amplifier 126 and the vertical drive amplifier 116 manually adjust the antenna direction during manual operation according to the angle indication and input of the manual adjustment unit of the manual adjustment unit 172. Make it possible to adjust.

The main controller 140 receives the output of the game information generation 105 and the output of the monopulse receiver 130, the output of the GPS receiver 16, and the output of the low pass filter 176 in the case of tracking the vehicle and scan/tracking algorithm. It is composed of a calculation unit 142 and a total rotation instruction command unit 144.

The sub-controller 150 receives signals from the horizontal angle sensor 124, the vertical angle sensor 114, the base gyro sensor 173, and the low-pass filtered signal level detection unit 177 to indicate the angle, and to receive a feedback signal. The generated detection and feedback signal processing unit 154 and a game-oriented control signal processing unit that receives the output of the entire rotation instruction command unit 144 and the feedback signal of the detection and feedback signal processing unit 154 to generate a game-oriented control signal ( 152) and, in the automatic mode, the rotation control signal of the motors 112 and 122 is generated according to the automatic control signal of the game-oriented control signal processing unit 152, or the rotation of the motor is controlled according to the input of the manual operation unit 171 in the manual mode. It consists of a motor rotation control unit 156 that generates a signal.

The antenna automatic alignment maintenance apparatus 100 according to the present invention configured as described above receives GPS attached to the antenna device when the playing station is a mobile station 20-1 or a fixed station 20-2 while the host 10 is stationary. Automatic scanning tracking algorithm by inputting GPS received signals (longitude, latitude, altitude) from the device 16 to the main controller 140, and inputting information signals (GPS longitude, latitude, altitude, frequency, output, etc.) According to the calculation according to the total vertical angle, rotation horizontal angle, rotation horizontal angle rotation instruction command sent to the sub-controller 150, the vertical axis angle and horizontal axis angle of the target (matching) is calculated and the motor rotation control unit 156 according to the motor control algorithm By commanding the antenna vertical rotation drive amplifier 116 to operate, the reduction motor 112 is operated, and the horizontal drive amplifier 126 is operated to operate the reduction motor 122 so that the antenna radiation direction coincides with the game station. do.

When the primary station and the playing station are directed as described above, the base station 10 is subjected to a box scan as shown in FIG. 8 for precise tracking, and when paused, the game station scans and precisely tracks the host station to maintain stability. In this case, the great powers (20-1, 20-2) constitute the same tracking equipment as their own. Therefore, it maintains the stabilization of communication by automatically aligning and tracking the role of the host and the player or the player and the host several times.

On the other hand, when the game station (20-3) tracks a moving vehicle, a monopulse feed 101 is additionally attached to provide the received signal sum signal (∑), the horizontal difference signal (△Az), and the vertical difference signal (△El). Each of them is extracted, amplified with low noise, is transferred to a separately attached monopulse switch, input to the receiver 130, and then inputs the tracking signal to the ACU 140 to track vertical/horizontal monopulse, and then horizontal/vertical driving amplifier 116 The sub-controller 150 is instructed to operate the vertical drive amplifier 116 or the horizontal drive amplifier 126 to rotate 126 and the reduction motors 112 and 122. Accordingly, it is possible to automatically track the moving vehicle 20-3 to enable voice and data communication with the moving vehicle. In addition, in the case of an unmanned aerial vehicle, the aircraft can send a control signal to command the operation from the ground by command.

The configuration of the monopulse horn 101 is as shown in FIG. 4, after a single opening surface 101c is attached to the front side of the sub-reflective plate 101a, a quadrant waveguide 101d is attached to the rear of the antenna. After power is supplied, a monopulse coupler is attached to extract and amplify the received signal sum signal (∑), horizontal difference signal (△Az), and vertical difference signal (△El), and then input it to the monopulse receiver 130 and ACU 140 for automatic Seek to follow. In the case of a land game other than a vehicle, it is replaced with a single horn for automatic orientation alignment.

6 is a flow chart illustrating a procedure for automatically re-tracking and stabilizing when a signal level fluctuates due to wind speed of an external environment of a mast according to the present invention.

Referring to FIG. 6, when the posture changes due to the external environment during automatic control control, when the mast equipped with the antenna alignment maintainer 100 moves due to wind pressure in the external environment, the antenna must be stabilized and tracked and aligned. BOX scan by obtaining posture, swing, pitch, roll, yaw signals and gyro signals from the changed vertical/horizontal angle sensors (114, 124) attached to the rotary motor and the posture azimuth sensor on the antenna alignment holder base. ) Algorithm, raster scan algorithm, step track algorithm and user's signal are selected to determine the reference angle, and the angle error signal is extracted and the total composite position error is calculated, the speed voltage is adjusted, and the motor is commanded to the horizontal/vertical motor drive. Stabilization tracking is performed by rotating.

Referring back to FIG. 6, when the support 14 is shaken by wind pressure of the external environment, vehicle vibration, etc., after acquiring the change in angle data of the antenna rotation axis posture, the vertical angle sensor, the pitch of the horizontal angle sensor, the roll, and yaw components. , Inverse kinematics or regular kinematics, etc., in order to aim the target (matching game), the target orientation angle to compensate for the fluctuating values of the pitch, roll, and yaw angle of the mast is calculated, and the angle and square entered while maintaining automatic alignment Box scan, raster scan, step, track signal, etc. are selected (S101 to S105).

Then, in order to divide a large angle range to move to the desired angle, the value input from the base gyro is divided into equal parts by 0.1 to 0.05 every 100 Hz in the same form as the value input from the base gyro, and input is made to match the target Az and El angle values (S106 to S110). At this time, the position error value is calculated as follows. That is, the operator selects the target angle calculated using the forward or inverse kinematic equation and inputs it to the adder and subtracter (S110), and feeds back the horizontal/vertical angle sensor output of the antenna support rotating body and inputs the value to the adder and subtractor (S110). Calculate the positioner error, calculate the positioner error, calculate the speed signal, multiply the position error error with the acquired power, add the value obtained by multiplying the total position error, and multiply the acquired power in the synthesizer (S113). Drive the drive amplifier to control the vertical/horizontal rotation of the antenna (S114~S118).

The angle sensors 114 and 124 attached to the horizontal and vertical speed reducer (H. V) antenna rotation shaft are fed back and subtracted to the adder and subtractor S110 to detect error errors. As described above, when the error error signal disappears, rotation is stopped to maintain stabilization and communication is possible.

In the above, the posture stabilization function can be interlocked in all operating modes except for the automatic alignment maintenance and the fixed maintenance function at the end of initialization, and is interlocked with all drive amplifiers, angle sensors, and direction angle sensors that perform automatic alignment. do.

In addition, the manual direction adjustment function is vertical when all of the above automatic alignment stabilization functions are inoperable due to failure. After manually switching the horizontal drive drive amplifier, it is possible to adjust the antenna direction by transferring the motor to the angle set for each of the operators' own and playing directions, and then driving the motor at the angle set for each of the operators' own and playing directions. In this case, it can be manually driven by box scan and raster scan, and antenna direction can be adjusted.

7 is a flowchart illustrating a procedure for stabilizing communication by automatically searching and tracking an antenna direction signal by a host and a player according to the present invention.

Referring to FIG. 7, in the initialization function step S201, power is applied and an initialization test of the hardware software state required for the operation of the automation device is performed. Receives signals from the host and player GPS receivers, stores the location (altitude, latitude, and longitude) of the host (playback), and stores the input and stores from the horizontal and vertical azimuth sensors of the host's antenna orientation (S202 to S204).

The above information is transmitted to the game through a separate wireless transmission device or other general communication device.

When the above initialization function is completed, the operator decides the primary selection between the host and the game, and uses the GPS location information of the host and the game and the direction of the host obtained from the base gyro to aim for the game with software (S/W). It automatically calculates the elevation/azimuth angle for

According to the above calculation, the host's rotation motor is automatically rotated, adjusting the direction and elevation angles to the game, propagating the state of the host country to the game, and temporarily stopping the role of the game. The game is temporarily localized, and the azimuth and elevation angle are calculated after changing the role of the host/playing power as above, and the rotation is directed automatically.

When performing the automatic alignment function, it performs the host (master) function or the match (slave) function. In the case of performing the local function, a box scan is performed to determine the forward direction after predicting an antenna match, and the predicted error is repeatedly scanned several times by spirally scanning horizontally +/-5 to 10 degrees horizontally and vertically (S205 to S206). If the maximum signal level appears during the tracking scan, the temporary rotating body is fixed in the direction of this signal, and immediately sent to the game to instruct the game to perform a tracking scan (S209 to S211).

As described above, the maximum precision signal is obtained by searching for a box scan or a raster scan, but when the signal strength is lowered due to a higher signal search trace or external environment change, a step trace that rotates to trace the maximum signal level is executed. Step tracking is a tracking method that continues to operate in the direction of increasing the signal strength horizontally and vertically, stops the operation when a radio wave signal of the maximum point is detected, and maintains the current position. If the communication signal level does not fluctuate to the maximum level by doing as above and stabilizes, the communication operation is maintained.

Herein, the box scan and the raster scan will be described in detail, and the box scan is a method of finding a target signal by rotating a helical narrowing sequentially vertically up and down, horizontally, horizontally, horizontally and horizontally as shown in Fig. 8A. As shown in (b) of FIG. 8, scanning is a method of finding a target signal by scanning vertically with a wide angle vertically and horizontally by sequentially scanning with a small angle.

In the above, the present invention has been described with reference to an embodiment shown in the drawings, and those of ordinary skill in the art will understand that various modifications and other equivalent embodiments are possible therefrom.

101: feed horn 102: receiving device
105: game information generation unit 110: vertical actuator
112: vertical reduction motor 114: vertical angular velocity sensor
116: vertical drive amplifier 120: horizontal actuator
122: horizontal reduction motor 124: horizontal angular velocity sensor
126: horizontal drive amplifier 130: monopulse receiver
140: main controller (ACU) 142: scanning/tracking algorithm calculation unit
144: total rotation instruction command unit 150: sub-controller (PCU)
152: game-oriented control signal processing unit 154: sensing and feedback signal processing unit
156: motor rotation control unit 171: manual operation unit
172: angle indication and manual adjustment unit 173: base gyro sensor
175: modulator 176: low pass filter
177: signal level fluctuation detection unit 310: data transmission device
312: high power amplifier 314: diplexer
320: data receiving device 322: low noise amplifier
324: Demux

Claims (6)

In microwave (UHF) communication, automatic adjustment of match direction, including transmission and reception communication equipment mounted on a mobile body, and an antenna automatic alignment maintenance device attached to the rear of the directional antenna to automatically adjust the direction of the directional antenna In communication,
The antenna automatic alignment maintenance device,
A game information generation unit for generating game location information from an operator's input or received data;
Navigation system receiver for receiving signals from the national and global global satellite navigation system
A gyro sensor for detecting the attitude and direction of the antenna of the own country;
A signal level fluctuation detector for detecting fluctuations in the signal level;
A manual control unit for manually manipulating the antenna direction in the manual mode when the automatic control device fails;
A vertical actuator that vertically adjusts the direction of the antenna according to an automatic or manual vertical rotation command;
A main controller which receives signals from the game information generation unit, the global satellite navigation system receiver, and the signal level fluctuation detection unit and automatically outputs a horizontal/vertical rotation instruction so that the antenna of the local station matches the direction of the game antenna; And
In case of automatic control failure, the direction of the antenna is manually adjusted according to the input of the manual control unit in the manual mode, and when the automatic mode is operated, the vertical actuator and the horizontal actuator are received by receiving the control command of the main controller and the detection signal of the gyro sensors. A transmitting and receiving device of an ultra-high frequency directional wireless communication system with an antenna automatic alignment maintenance device including a sub-controller for automatic direction driving control. The antenna of claim 1, wherein, in the case of a flying vehicle, a monopulse feed horn is provided to the antenna of the host country. After attaching a single aperture horn as an insulator to the front of the antenna sub-reflective plate, one aperture horn is distributed to 4 waveguides. It extends to the rear of the reflector, and the outside is surrounded by a circular conductor tube, and a monopulse horn coupler is attached to the end so that when the frequency band changes, the antenna is used as it is, and only the monopulse feed horn can be replaced, and the horizontal difference signal ( AZ△), a vertical difference signal (EL△), and a monopulse receiver that generates a tracking signal by receiving the total sum signal (∑ ), and the main controller is connected to the switch to replace the output of the game information generation unit or the A transmitting and receiving device of an ultra-high frequency directional wireless communication system equipped with an antenna automatic alignment maintenance device, characterized in that it receives the output of the monopulse receiver and automatically tracks the direction of the vehicle. The method of claim 2, wherein the main controller
Monopulse tracking that receives the output of the game information generation unit, the output of the monopulse receiver, the output of the global satellite navigation system receiver, and the output of the low-pass filter and generates tracking signals according to different predetermined algorithms of each navigation system An antenna automatic alignment maintenance device comprising an algorithm calculation unit and a total rotation instruction command unit that generates a horizontal/vertical rotation command so that the antenna direction of the host and the antenna of the player is automatically aligned according to the output of the monopulse tracking algorithm unit. Transmitting and receiving device of ultra-high frequency directional wireless communication system with attached. The method of claim 1, wherein the sub-controller
A horizontal angle sensor, a vertical angle sensor, a base gyro sensor, a detection and feedback signal processing unit that directs the signal and angle of the low-pass filtered signal level detection unit and generates a feedback signal, and receives the feedback signal from the detection and feedback signal processing unit to play a game. A game-oriented signal processing unit that generates a directional control signal and a rotation control signal of the motor according to the automatic control signal of the game-oriented control signal processing unit in the automatic mode, or when the automatic mode fails, the manual mode is switched to the manual mode and the manual operation unit is in the manual mode. A transmission and reception device of an ultra-high frequency directional wireless communication system with an antenna automatic alignment maintenance device, characterized in that consisting of a motor rotation control unit that generates a rotation control signal of the motor according to an input of. The method of claim 1, wherein the main controller and the sub-controller
The pitch, roll, and yaw of the mast are obtained in order to obtain fluctuations in the angle data of the antenna rotation axis posture, the vertical angle sensor, the pitch, roll, and yaw components of the yaw component due to the shaking. Calculates the target beam angle that compensates for the fluctuating value of the angle, and selects one of the input angle, visual box scan, raster scan, step tracking and monopulse tracking signal while maintaining automatic alignment by the operator to move to the desired angle. Divide a large angle range and divide it into a predetermined value for each predetermined Hz in the same form as the value input from the vertical angle sensor and the horizontal angle sensor to match the target horizontal angle and vertical angle, and to the target angle calculated using the forward or inverse kinematic equation. The maximum signal acquired from the signal selected by the operator is decomposed into small angles, the antenna angular velocity output is fed back to detect the positioner error, multiplied by the position error error and the acquired power, synthesized with the speed control signal in a synthesizer, converted to digital analog, and then converted to a vertical/horizontal reduction motor A transmission/reception device of an ultra-high frequency directional wireless communication system with an antenna automatic alignment maintenance device, characterized in that by driving a drive amplifier to rotate the antenna vertically and horizontally. The method of claim 1, wherein the ultra-high frequency communication,
UHF, microwave transmitting device, and receiving device are used, but the transmission and reception device of an ultra-high frequency directional wireless communication system equipped with an antenna automatic alignment maintenance device, characterized in that it can be replaced and attached according to a frequency band.

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