JPH05226920A - Automatic adjustment system for direction of communication antenna - Google Patents

Abstract

PURPOSE:To provide an automatic adjustment system for the direction of the communication antenna in which the directivity of the communication antenna for receiving a radio data signal from an opposite station is automatically adjusted in the direction increasing the reception sensitivity of the data signal. CONSTITUTION:Three-dimensional position coordinate data of communication points A, B are recognized by a computer 22, the directivity of a communication antenna 10 at the communication position A suitable for the data communication with a communication antenna 10 at the communication position B is calculated by the computer 22 based thereon, and the revolution of a turning motor 44 and a driving motor 46 provided on a universal head 40 is controlled by a universal head control unit 24 so as to direct the communication antenna 10 of the communication position A in the calculated directivity, thereby displacing the communication antenna 10 on the universal head 40 in the direction suitable for the data communication with the communication antenna 10 of the communication position B.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a system for automatically adjusting the direction of a communication antenna installed at each point when transmitting and receiving data such as image data between two points separated from each other.

[0002]

2. Description of the Related Art Conventionally, transmission of data such as image data having a large amount of data has been performed via an optical cable or other high-speed transmission means. By establishing means for transmitting
Large amounts of data can be transmitted via telephone lines and wireless lines. By the way, a directional antenna such as a parabolic antenna is used when transmitting data using a wireless line such as a simple wireless device (pasolink) in the 50 GHz band. When using this directional antenna, , It is necessary to adjust the direction so that the antenna is oriented in the direction that the reception sensitivity becomes stronger.In the past, while looking at the reception level meter of the receiver, etc. I was adjusting.

[0003]

However, for example, in data communication in which one or both are mobile stations, the transmission or reception position of data changes with the movement of the station. There was a problem that the direction of the antenna had to be constantly changed manually, which was troublesome. The present invention has been made in view of the above circumstances, and automatically adjusts the pointing direction of a communication antenna for receiving a wireless data signal from a partner station so that the receiving sensitivity of the data signal becomes stronger. It is an object of the present invention to provide an automatic direction adjusting system for a communication antenna that can be used.

[0004]

In order to achieve the above object, the present invention automatically sets the pointing direction of a communication antenna used when wireless data communication is performed between a point on the other side and a point on the other side separated from the point. A system for adjusting, comprising a driving means for displacing the directivity direction of the communication antenna in a three-dimensional direction, and position coordinates for receiving a signal from a satellite at the own point and analyzing three-dimensional position coordinate data of the own point. Data analysis means, position coordinate data transmission / reception means for exchanging three-dimensional position coordinate data of the own point and the other side point, and three-dimensional position coordinate data of the other side point received by the position coordinate data transmission / reception means, Pointing direction calculating means for calculating the pointing direction of the communication antenna based on the three-dimensional position coordinate data of the own point analyzed by the position coordinate data analyzing means; And a controlling means for controlling driving of said driving means so as to direct the communication antenna on the calculated orientation by the orientation calculation unit.

[0005]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a schematic diagram showing, in a partial block diagram, a schematic configuration of an automatic direction adjusting system for a communication antenna according to an embodiment of the present invention. A line connecting between blocks transfers data between these processes. Shows.

FIG. 1 shows a case where data communication is performed between two communication points A and B (corresponding to own point and partner point) which are separated from each other. Communication antennas 10 and 1 for transmitting and receiving data through wireless lines such as simple wireless devices (Pasolink)
0, and an automatic direction adjustment system 2 having the configuration described below
0 and 20 are provided together. 21 in FIG.
Is a GPS receiver for receiving signals from GPS satellites (not shown), and in FIG. 1, it is shown that one GPS receiver is installed, but two or more receivers are spaced from each other. May be installed.

In FIG. 1, reference numeral 22 denotes a computer to which received signals from one or two or more GPS receivers 21 are input, and 3 of communication points A (or communication point B) is received based on the received signals. Dimensional position coordinate values are analyzed, and the own point, that is, communication point A (or communication point B) obtained by this analysis
The three-dimensional position coordinate value data of is output to the mobile phone 30 via the modem 23.

Also, the computer 22 has three communication points B (or communication points A) which are analyzed by the computer 22 at the communication point B (or communication point A) and output to the mobile telephone 30. The dimensional position coordinate value data is received via the mobile telephone 30 and the modem 23, and the communication point A is received.
And the pointing direction of the communication antenna 10 suitable for data communication with the communication point B (or the communication point A) based on the three-dimensional position coordinate value data of the communication point B and the data of the installation status of the platform 40 described later. Is calculated and the calculated pointing data is output to the platform control unit 24 as a control means.

That is, in this embodiment, the computer 22
Function as position coordinate data analysis means and pointing direction calculation means, and the computer 22 and modem 23 function as position coordinate data transmission / reception means.
The PS receiver 21, the computer 22, the modem 23, and the platform control unit 24 constitute an automatic direction adjusting system 20.

In FIG. 1, 40 is a communication antenna 10.
Is a platform that is displaceable in a three-dimensional direction so that it can be displaced in the directional direction, and the platform is movable as the communication point changes.
The base 41 and 360 ° horizontally with respect to the base 41
It has a swivel base 42 that can swivel, and a rotary base 43 that can rotate in a direction perpendicular to the swivel base 42 and on which the communication antenna 10 is mounted. A motor 44 and a rotary motor 45 that rotates the rotary base 43 are provided.

The swing motor 44 and the rotary motor 45 are, for example, pulse motors or stepping motors,
Drive control is performed by a drive signal output from the camera platform control unit 24 based on the pointing direction data from the computer 22. In the present embodiment, the turning motor 44 and the rotation motor 45 correspond to the driving means.

Further, on the platform 40, for detecting the position of the base 41 and the degree of inclination with respect to the ground surface,
For example, a sensor 50 such as a geomagnetic sensor or an inclinometer is provided, and data relating to the position of the base 41 detected by the sensor 50 and the degree of inclination with respect to the ground surface is fed back to the computer 22. The computer 22 calculates the pointing direction of the communication antenna 10 based on the three-dimensional position coordinate value data of the communication points A and B. Incidentally, 60 in FIG.
Is a communication data output unit that modulates a signal of data such as an image and outputs it to the communication antenna 10.

Next, an explanation will be given of a case where the pointing direction of the communication antenna 10 is automatically adjusted by the automatic direction adjusting system 20 having the above configuration. First, when the communication antenna 10 and the platform 40 are installed at the communication point A, the GPS receiver 21
The three-dimensional position coordinate value of the communication point A is calculated by the computer 2 based on the received signal from the GPS satellite (not shown) received by the computer 2.
The data such as the position of the base 41 installed at the communication point A and the degree of inclination with respect to the ground surface are detected by the sensor 50 and input to the computer 22.
Even at the communication point B on the other side, the communication antenna 1
The same operation is performed with the setting of 0 and the platform 40.

Subsequently, the three-dimensional position coordinate value data analyzed by the computer 22 at each communication point A, B is transferred to the modem 2
3 via the mobile telephone 30 and the computer 3
The data is transmitted and received between the two computers 22 and the three-dimensional position coordinate value data of the communication points A and B and the position of the base 41 of the communication point A, that is, the communication point A (or the communication point B) and the inclination with respect to the ground surface. The pointing direction of the communication antenna 10 suitable for data communication with the other party's point, that is, the communication point B (or the communication point A) is calculated from the data such as the degree, and the calculated pointing data is used for pan head control. It is output to the unit 24.

Then, the pan head control unit 24 drives the swivel base 42 and the rotary base 43 so that the communication antenna 10 is directed to the swivel motor 44 and the rotary motor 45 in the direction indicated by the directivity direction data. A driving signal for causing the turning base 42 and the rotary base 43 to be driven based on the driving signal is output, and the pointing direction of the communication antenna 10 is the data of the partner side, that is, the communication point B (or the communication point A). It is automatically adjusted in the direction suitable for communication.

Since the computer 22 constantly inputs three-dimensional position coordinate value data of the communication point A and the communication point B and data such as the position of the base 41 and the degree of inclination with respect to the ground surface, For example, one or both of the communication antenna 10 and the platform 40 are installed on the moving vehicle,
Even when the communication point A and / or the communication point B changes with time, the communication antenna 10 is changed according to the position change.
The pointing direction of is automatically adjusted in real time.

In this way, according to the communication antenna automatic direction adjusting system of this embodiment, the computer 22 at the communication point A and the communication point B analyzes the three-dimensional position coordinate value data of the communication point A and the communication point B. Since the direction of the communication antenna 10 is automatically adjusted in the optimum direction according to the relative position of each other, it is not necessary to manually perform a troublesome adjustment operation while looking at the level meter, etc. Can be transmitted. Further, even if the positions of the communication point A and the communication point B move, the direction of the communication antenna 10 can be automatically adjusted in real time by following the movement.

In this embodiment, the computer 22 at the communication point A and the communication point B analyzes the optimum orientation of each communication antenna 10, and the orientation of the communication antenna 10 is individually for each of the communication points A and B. 2 is automatically adjusted, as shown in FIG. 2, for example, the head office 71 and the office 72 at the site, which are fixed stations, and the mobile work patrol vehicle 73 that patrols the site.
And the construction machine 74 that works on-site, the communication antennas 10 are respectively mounted via the platform 40, and data such as the position of each communication antenna 10 and the inclination of the platform 40 is stored in, for example, office work. Centralized management at the office 72
The computer (not shown) may collectively analyze the optimum directional directions of the plurality of communication antennas 10 and control each communication antenna 10 to face the directional direction.

[0019]

As described above, according to the automatic direction adjusting system for a communication antenna of the present invention, the communication antenna used for wireless data communication with the other side point separated from the own point. A system for automatically adjusting the directivity direction, which comprises a driving means for displacing the directivity direction of the communication antenna in a three-dimensional direction, and a signal from a satellite at the own point to receive three-dimensional position coordinate data of the own point. Position coordinate data analyzing means for analyzing, position coordinate data transmitting and receiving means for transmitting and receiving three-dimensional position coordinate data of the own point and the other party's point, and three-dimensional position of the other party's point received by the position coordinate data transmitting and receiving means. The pointing direction of the communication antenna is calculated based on the coordinate data and the three-dimensional position coordinate data of the own point analyzed by the position coordinate data analysis means. The orientation calculation unit, and a configuration and a control means for controlling driving of said driving means so as to direct the communication antenna directivity direction calculated by the orientation calculation unit. For this reason, the pointing direction of the communication antenna can be automatically adjusted so that the communication antenna faces toward the direction in which the reception sensitivity of the wireless data signal from the partner station becomes stronger, and it can be manually adjusted while watching the level meter. It is not necessary to perform troublesome adjustment work, and a large amount of data can be satisfactorily transmitted.

[Brief description of drawings]

FIG. 1 is a schematic diagram showing a partial block diagram of a schematic configuration of an automatic direction adjusting system for a communication antenna according to an embodiment of the present invention.

FIG. 2 is a schematic diagram showing a schematic configuration of an automatic direction adjusting system for a communication antenna according to another embodiment of the present invention.

[Explanation of symbols]

10 Communication Antenna 20 Automatic Direction Adjustment System 22 Computer (Position Coordinate Data Analyzing Means, Position Coordinate Data Transmitting / Receiving Means, Pointing Direction Calculating Means) 23 Modem (Position Coordinate Data Transmitting / Receiving Means) 24 Pan Head Control Unit (Control Means) 25 Coordinates Calculation processing 44 Swing motor (driving means) 45 Rotating motor (driving means) A, B Communication point (self point, partner side point)

Claims (1)

[Claims] 1. A system for automatically adjusting a directivity direction of a communication antenna used when performing wireless data communication between a remote site and a remote site, wherein: Driving means for displacing in a three-dimensional direction, position coordinate data analysis means for receiving signals from satellites at the own point and analyzing three-dimensional position coordinate data of the own point, and three-dimensional of the own point and the partner side point Position coordinate data transmitting / receiving means for transmitting / receiving the position coordinate data, three-dimensional position coordinate data of the other party's point received by the position coordinate data transmitting / receiving means, and three-dimensional of the own point analyzed by the position coordinate data analyzing means. A directivity direction calculating means for calculating a directivity direction of the communication antenna based on the position coordinate data, and a directivity direction calculated by the directivity direction calculating means. Automatic direction adjustment system communication antenna apparatus characterized by comprising a control means for controlling driving of said driving means so as to direct the communication antenna.