JP2001128224A - Automatic setting method and automatic setting system for radio frequency - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an automatic setting method and an automatic setting system for radio frequency that can more easily and automatically decide and set the radio frequency of a newly used radio channel in comparison with a conventional technology. SOLUTION: A wireless frequency setting center device transmits a transmission instruction text signal instructing emission of a test radio wave to a radio communication unit of a newly installed channel via a 1st communication channel and the radio communication unit of the newly installed radio channel emits a test radio wave in response to the transmission instruction text signal. Then a radio communication unit of an existing radio channel receives the test radio wave to detect the reception state and transmits the result of detection to the radio frequency setting center unit via a 2nd communication channel, the radio frequency setting center receives the result of detection of the reception state from the radio communication unit of the existing radio channel and decides the radio frequency used by the radio communication unit of the newly installed radio channel.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic setting of a radio frequency for automatically setting a radio frequency of a new radio line in an area where an existing radio line is present without performing the conventional interference calculation. The present invention relates to a method and an automatic setting system.

[0002]

2. Description of the Related Art Conventionally, when another wireless line is newly established in an area where an existing wireless line is present, interference noise indicating the degree of mutual interference is predicted and calculated in advance.
By measuring the interference status between the wireless lines actually installed by actually emitting radio waves and using the wireless device, etc., the state of interference with the existing wireless line is grasped, The frequency was determined and set.

[0003]

Therefore, in the calculation for predicting interference noise, a complicated calculation must be performed, and the calculation cost is enormous. In addition, there is a problem that it takes a lot of time and labor to actually measure the interference situation by emitting radio waves.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems and to provide an automatic radio frequency setting method which can easily and automatically determine and set a radio frequency of a new radio line compared to the prior art. And an automatic setting system.

[0005]

According to the first aspect of the present invention, there is provided a method for automatically setting a radio frequency, the method comprising: setting a radio frequency when a new radio line is provided when an existing radio line constituted by a radio communication device exists; A method for automatically setting a radio frequency automatically set by a radio frequency setting center device, wherein the radio frequency setting center device is connected to a radio communication device of a new radio line via a predetermined first communication line, A transmission instruction message signal that is connected to the wireless communication device of the existing wireless line via the predetermined second communication line and that instructs the wireless communication device of the new wireless line to emit a test radio wave from the wireless frequency setting center device. A first step of transmitting a test wave in response to a transmission instruction message signal in a wireless communication device of a new wireless line. A third step of receiving a test radio wave in a radio communication device of an existing radio line, detecting a reception state thereof, and transmitting a detection result to a radio frequency setting center device via a second communication line; And a fourth step of, in the setting center device, receiving a detection result of the reception status from the wireless communication device of the existing wireless line and determining a radio frequency to be used in the wireless communication device of the new wireless line based on the result. And

According to a second aspect of the present invention, there is provided an automatic radio frequency setting method according to the first aspect, wherein after the fourth step, the radio frequency setting center device transmits the radio signal of the newly established radio channel. The method further includes a fifth step of transmitting and setting information on the radio frequency determined for the communication device via the second communication line.

Further, according to a third aspect of the present invention, there is provided an automatic radio frequency setting method as set forth in the first or second aspect, wherein the radio frequency setting center device includes an existing radio frequency setting center device before the first step. The method further includes a sixth step of transmitting a reception instruction message signal to the wireless communication device on the line.

According to a fourth aspect of the present invention, there is provided an automatic radio frequency setting system, wherein a radio frequency when a new radio line is provided is set by a radio frequency setting center device when an existing radio line constituted by a radio communication device exists. An automatic radio frequency setting system for automatically setting, a radio frequency setting center device, a radio communication device of a new radio line connected from the radio frequency setting center device via a predetermined first communication line, A radio communication device of an existing radio line connected from the radio frequency setting center device via a predetermined second communication line, and the radio frequency setting center device transmits a test radio wave to the radio communication device of the new radio line. A transmission instruction message signal for instructing launch is transmitted via the first communication line, and the wireless communication device of the new wireless line responds to the transmission instruction message signal. The test radio wave is emitted, the radio communication device of the existing radio line receives the test radio wave, detects the reception state, transmits the detection result to the radio frequency setting center device via the second communication line, and The setting center device receives the detection result of the reception status from the wireless communication device of the existing wireless line, and determines a radio frequency to be used in the wireless communication device of the new wireless line based on the detection result.

According to a fifth aspect of the present invention, in the automatic radio frequency setting system according to the fourth aspect, the radio frequency setting center device further determines a radio communication device of a new radio line. And transmitting and setting the information of the radio frequency via the second communication line.

Further, in the automatic radio frequency setting system according to the sixth aspect of the present invention, the radio frequency setting center device transmits the transmission instruction message signal before transmitting the transmission instruction message signal. A reception instruction message signal is transmitted to a wireless communication device of an existing wireless line.

[0011]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram showing the configuration of an automatic radio frequency setting system according to an embodiment of the present invention. In FIG. 1, in the automatic radio frequency setting system of the present embodiment, for example, a plurality of existing radio lines 20
0-A, 200-B, 200-C,..., 200-Z,
1 indicates that when a new wireless line 200-NW is newly established, the new wireless line 200-NW is connected to the existing wireless lines 200-A and 20-NW.
0-B, 200-C,..., 200-Z (hereinafter collectively referred to as 200). Is determined, and the radio frequency of the new radio line 200-NW is set to the radio communication devices 10-NW1 and 10-NW2.

The existing radio line 200-A has a radio frequency f1.
The wireless communication device 10-A1 and the wireless communication device 10-
A2, and the existing wireless line 200-B is provided between the wireless communication device 10-B1 and the plurality of wireless communication devices 10-B2, 10-B3, 10-B4 using the wireless frequency f2. , And the existing radio line 200-C has the radio frequency f3.
Wireless communication device 10-C1 and wireless communication device 20-
C2. Similarly, the existing wireless line 200-
Z is provided between the radio communication device 10-Z1 and the radio communication device 20-Z2 using the radio frequency f1. Each wireless communication device 10-A1, 10-A2, 10-B1, 10-B
2,10-B3,10-B4,10-C1,10-C
2,..., 10-Z1, 10-Z2 (hereinafter, collectively denoted by reference numeral 10) are arranged neatly in FIG. 1, but in practice, each existing radio line 200 may be installed. They are scattered so that they can be used. Here, each wireless communication device 10-A1, 10-A2, 10-B
1,10-B2,10-B3,10-B4,10-C
A10 of 1,10-C2,..., 10-Z1, 10-Z2
A2, B1, B2, B3, B4, C1, C2,..., Z
1 and Z2 are wireless communication device identification codes (wireless communication device IDs)
And Here, the ID may be a character, a number,
Alternatively, a combination thereof may be used. Although a reflector is not shown in FIG. 1, a reflector may be provided as needed if the radio frequency to be used is in a frequency band of microwave or higher. In the present embodiment, each wireless line 200 performs communication by alternately transmitting one wireless communication device 10 using one wireless frequency so as not to overlap with each other (simplex communication method).

Then, a new wireless line 20 composed of the wireless communication device 10-NW1 and the wireless communication device 10-NW2
A radio frequency setting center device 101 that determines a radio frequency to be used by the 0-NW and controls the radio communication devices 10-NW1 and 10-NW2 to make settings is provided via the public telephone network 300. 10 and 10-NW1,
10-NW2.

The number of radio frequencies used in the existing radio line 200 and the newly established new radio line 200-NW is limited. Therefore, the radio lines 200, 20
The frequencies available in 0-NW are also limited. Here, the maximum number of available radio frequencies is assumed to be n,
It is assumed that the frequencies f1, f2, f3,..., fn are available in the above-mentioned radio lines 200, 200-NW.

The test radio waves of all the radio frequencies (f1, f2, f3,... Fn) that can be used in the existing radio line 200 are transmitted to the radio communication device 10- of the new radio line 200-NW.
It is emitted from the radio station of NW1 (or 10-NW2). These test radio waves are received by the radio station of each radio communication device 10 of the existing radio line 200, and the received electric field strength value of those radio waves is detected. The radio frequency setting center apparatus 101 of the present embodiment collects the data of the detected received electric field strength via the public telephone network 300 and uses the radio frequencies (f1, f2, f3,. When the radio frequency fn) is emitted from the radio stations of the radio communication devices 10-NW1 and 10-NW2 constituting the new radio line 200-NW, when the radio frequencies interfere, a different radio frequency is set, but no interference occurs. Sometimes, it is determined to set the same radio frequency, and the data of the determined radio frequency is transmitted to the radio communication device 10 constituting the new radio line 200-NW via the public telephone network 300 and set by remote control. It is characterized by:

Here, a specific setting procedure for setting the radio frequency of the new radio line 200-NW is as follows. (1) The radio frequencies (f1, f2, f3,..., Fn) that can be used in the existing radio line 200 sequentially from the radio frequency setting center device 101 to the radio communication device 10 configuring the new radio line 200-NW. ). In addition, a function is provided in which any one of the radio communication devices 10 of the existing radio line 200 can receive all radio frequencies that the radio communication devices 10-NW1 and 10-NW2 of the new radio line 200-NW can emit. in case of,
The radio frequency setting center device 101 is the new radio line 20
It is only necessary to instruct the 0-NW wireless communication devices 10-NW1 and 10-NW2 to emit radio waves. (2) The emitted radio wave is provided with the wireless communication device ID of the wireless communication device 10 that is the wireless station that emitted the radio wave.
The wireless communication device 10 of the existing wireless line 200 transmits the wireless communication device ID included in the received radio wave, the data of the received electric field strength value thereof, and the own wireless communication device ID to the wireless frequency setting center device 101 for the public telephone network 300. To send through. (3) The radio waves of the radio frequencies (f1, f2, f3,... Fn) available on the existing radio line 200 are transmitted to the radio communication devices 10-NW1, 10- of the new radio line 200-NW.
Emitted from the radio station of NW2. Each radio communication device 10 of the existing radio line 200 capable of receiving each test radio wave receives each radio wave and measures received electric field strength data, and the radio frequency setting center device 101
Collects that data. Based on the data, the radio frequency setting center apparatus 101 performs a calculation by a method described later in detail, and calculates the possibility that the radio stations of the radio communication apparatuses 10-NW1 and 10-NW2 configuring the new radio line 200-NW will use. When a certain radio frequency interferes, a different radio frequency is set, and when there is no interference, it is determined that the same radio frequency is set, and the data of the determined radio frequency is configured as a new radio line 200-NW. To be transmitted via the public telephone network 300 and set by remote control.

FIG. 2 is a block diagram showing the configuration of the radio frequency setting center device 101 of FIG. In FIG. 2, the radio frequency setting center device 101 includes a setting control unit 30, a processing memory 31, an input device 32 such as a keyboard for inputting an instruction command and various data for executing a process, and a modem device 33. It is comprised including.
The setting control unit 30 uses the processing memory 31 to execute a radio frequency setting process shown in FIG. 4 to be described later to determine a radio frequency to be used in the new radio line 200-NW, and to determine the radio frequency of the radio communication device 10-NW1. , 10-NW2. In addition, the modem device 33 has an NCU function for connecting a line to each wireless communication device 10 via the public telephone network 300, and also transmits a message signal (digital signal) output from the setting control unit 30 to, for example, PSK or QAM. And transmits the modulated signal to each wireless communication device 10 via the public telephone network 300 while receiving a modulated signal arriving from each wireless communication device 10 via the public telephone network 300. It demodulates into a telegram signal (digital signal) by a demodulation scheme reverse to the above-mentioned modulation scheme, and outputs it to the setting control section 30.

The processing memory 31 includes a wireless communication device data table 41, an electric field strength data table 42, and a judgment table 43. Wireless communication device data table 4
Reference numeral 1 denotes a frequency (f1, f2, f3,... Fn) that can be used in the radio circuits 200 and 200-NW, and for each radio frequency, the radio frequency and the radio in which the radio frequency is used. And the value of the communication device ID. here,
The data of the wireless communication device data table 41 may be input using the input device 32 in advance. Further, the electric field strength data table 42 stores the radio communication device 10 of the new radio line 200-NW, which is the source of the radio wave transmitted from the radio communication device 10 of the existing radio line 200 and received by the radio communication device 10. The wireless communication device ID of -NW1 (or 10-NW2), the data of the received electric field intensity value of the radio wave, and the wireless communication device ID of the wireless communication device 10 of the existing wireless line 200 which is the received wireless station are stored. . Furthermore, the determination table 43 in the case where the source of the radio wave is the wireless communication device 10-NW1, for example, as shown in FIG.
(A) a radio frequency, (b) presence / absence of an impression of the existing radio line 200 in the radio communication device 10 using the frequency of (a), (c) a discrimination value in radio frequency units, and (d) And a usage determination result in units of radio frequencies. The method of generating the determination table 43 will be described later in detail.

The radio communication device data table 41 stores, for example, position data (for example, latitude and longitude information) of each radio communication device 10, the type, gain, and beam direction of the antenna 11, and based on these data. Prior to performing the radio frequency setting process of FIG. 4 by a known method, a process of extracting the wireless communication device 10 of the existing wireless channel 200 that can cause interference when a new wireless channel 200-NW is installed is executed. Is also good.

FIG. 3 is a block diagram showing the configuration of each wireless communication device 10 (for the existing wireless line and the new wireless line) shown in FIG. 3, a wireless communication device 10 includes a wireless device 60 having an antenna 11, a modem 61, a terminal device 62, an electric field intensity detecting unit 63, a changeover switch SW, a wireless device control unit 50, a processing memory 51 and a modem device 52. Here, the processing memory 51 includes a wireless communication device data table 56 and a test radio wave data table 57.

The wireless device 60 performs wireless communication with the wireless device 60 of another wireless communication device 10 using a predetermined wireless frequency. The wireless device 60 performs low noise amplification and frequency reduction on a wireless signal received by the antenna 11. It performs processing such as conversion and outputs the data to the terminal device 62 via the contact a of the changeover / demodulation device 61 and the changeover switch SW for performing the modulation and demodulation process in a predetermined modulation and demodulation method.
A receiver for outputting to the radio control unit 50 via the contact b of W, and a frequency conversion for a modulation signal input from the radio control unit 50 or the terminal device 62 via the changeover switch SW and the modem 61 And the radio 6 of another radio communication device 10 using the antenna 11
And a transmitter unit for transmitting the data to the transmission unit 0. Here, the switching of the changeover switch SW is controlled by the radio control unit 50. The terminal device 62 is a device that transmits and receives a predetermined baseband signal using a wireless line 200 provided using the wireless communication device 10 and uses the signal. Further, the electric field strength detection unit 63 detects the received electric field strength value of the radio signal of the radio wave received by the radio device 60 by a known method such as detecting the AGC current of the intermediate amplifier, and detects the received electric field strength value. The data is output to the radio control unit 50.

The radio control unit 50 executes the radio control process shown in FIG. 5 using the processing memory 51 to control the transmission / reception operation of the radio 60 and the radio frequency to be used. While controlling the wireless device 60 to emit a radio signal of a test radio wave obtained by modulating a radio signal including the communication device ID, the radio device 60 analyzes a radio signal of the test radio wave received by the radio device 60 and analyzes the radio signal to demodulate the radio signal. A process for extracting the device ID is performed. Further, the radio control unit 50 performs data communication with the radio frequency setting center device 101 via the modem device 52 and the public telephone network 300. Here, the wireless communication device data table 56 of the processing memory 51 stores data such as the wireless communication device ID of the wireless communication device 10 and the wireless frequency to be used. In addition, the test radio wave data table 57 temporarily stores the data of the radio communication device ID and the received electric field strength value included in the radio signal of the received radio signal when the radio signal of the test radio wave is received.

FIG. 4 is a flowchart showing a radio frequency setting process executed by the setting control unit 30 of the radio frequency setting center apparatus 101 of FIG. In FIG. 4, first, in step S1, one of the radio frequencies in the radio communication device data table 41 is selected, and then in step S2, a reception instruction message signal is transmitted to the radio communication device 10 using the selected radio frequency. Send. Here, the wireless communication device ID of the wireless communication device 10 that is the transmission destination is obtained from the wireless communication device data table 41 based on the wireless frequency selected in step S1. In step S3, an instruction message signal is transmitted to the newly installed wireless communication device 10 to transmit a radio signal of the test radio wave at the radio frequency selected in step S1. Then, it is determined whether or not response message signals have been received from all the wireless communication devices 10 that use the radio frequency selected in step S4, and the process waits until YES is reached. The electric field intensity value data included in the received response message signal is stored in the electric field intensity value data table 42 together with the ID of the new wireless communication device 10 of the transmission source and the ID of the existing wireless communication device on the reception side, and step S6 It is determined whether or not the processing has been performed for all the radio frequencies in the radio communication device table 41. If NO in step S6, another radio frequency is selected in step S7, and the process returns to step S2. On the other hand, if “YES” in the step S6, the process proceeds to a step S8, where the electric field strength data table 42
The determination table 43 is generated on the basis of the data in and the radio frequency determined not to interfere is determined.
A frequency setting instruction telegram signal including the radio frequency determined in step 9 is transmitted to the newly installed radio communication apparatus 10 to set the radio frequency to be used. Then, in step S10, another newly installed wireless communication device 10
It is determined whether or not there is any. If YES, step S
On the other hand, if the determination is NO, the radio frequency setting process is terminated.

FIGS. 5 and 6 show the wireless communication device 10 of FIG.
5 is a flowchart showing a radio control process performed by the radio control unit 50 of FIG.

In step S11 of FIG. 5, it is first determined whether or not a transmission instruction message signal has been received. If YES, the process proceeds to step S12, while if NO, the process proceeds to step S21 in FIG. Next, in step S12,
After the changeover switch SW is switched to the b side, a radio signal of a test radio wave modulated by a telegram signal including the radio communication device ID of the own station is transmitted in a step S13, and the changeover switch SW is switched to the contact a side in a step S14. And
It returns to step S11.

In step S21 of FIG. 6, it is determined whether a reception instruction message signal has been received. If YES, the process proceeds to step S23, while if NO, the process proceeds to step S22.
Proceed to. In step S22, it is determined whether a frequency setting instruction message signal has been received. If YES, the process proceeds to step S29, whereas if NO, the process proceeds to step S1 in FIG.
Return to 1. In step S23, the changeover switch S
In step S24, it is determined whether a wireless signal of a test radio wave including the wireless communication device ID of the transmission source station has been wirelessly received.
On the other hand, if NO, the process proceeds to step S26.
The received electric field intensity value of the radio signal of the test radio wave received in step S25 is detected by using the electric field intensity detection unit 63, and the process proceeds to step S27. On the other hand, when wireless reception is not possible, the received electric field strength value of the corresponding wireless signal is set to 0 in step S26, and the process proceeds to step S27. Step S2
7, a response message signal including the electric field strength value detected at step 7, the wireless communication device ID of the transmission source station, the wireless communication device ID of the own station, and the reception frequency is transmitted via the modem device 52 and the public telephone network 300. It is transmitted to the frequency setting center device 101. Then, after the changeover switch SW is switched to the contact point a in step S28, the process returns to step S11 in FIG.

Further, if YES in step S22, the transmission / reception frequency contained in the frequency setting instruction message signal received in step S29 is stored in the radio communication device data table 56 as a radio frequency using the transmission / reception frequency, and is set in the radio 60. Then, the process returns to step S11 in FIG.

Next, a method of generating the determination table 43 shown in FIG. 7 will be described. As shown in FIG.
Radio frequencies available at 0 (f1, f2, f3,.
For each fn), (a) the radio frequency setting center launch instruction frequency and (b) the perception value (presence or absence of perception) at the radio communication device 10 of the existing radio line 200 using the frequency of (a).
(C) the discrimination value in frequency units of (a), and (d)
The usage determination result in frequency unit of (a) is described. Here, the center launch instruction frequency and the existing station (Xm)
The wireless communication device ID is data input in advance based on the wireless communication device data table 41, and the existing station (Xm) entrance sensation value and the wireless communication device ID of the existing station (Xm) are the public telephone network. The input is performed based on the data of the received electric field intensity value collected by the data communication via the communication device 300.
In the data communication, it is possible to transmit and receive only the data of the presence / absence of feeling (entrance value) without transmitting / receiving the data of the received electric field strength value. Then, when the source of the radio wave is the wireless communication device 10-NW1, for example, when f1 is f1, the frequency unit determination value is calculated by the following equation.

[0030]

Gx (f1) = ΣXm (f1) Here, in the expression Xm (fi), “Xm” is an existing wireless communication device 10 using fi as a frequency.
(Existing station), and “Xm (fi)” represents an intrusion value when the existing station Xm receives a radio wave of a frequency fy emitted from a new station.

Similarly, the frequency unit discrimination value is
For example, when the radio frequency is fy, it is calculated by the following equation.

[0032]

Gx (fy) = ΣXm (fy)

A frequency unit discrimination value is calculated for all available radio frequencies using the above equation (2). Then, for each of the radio frequencies (f1, f2, f3,... Fn), the use judgment is made using these judgment values.

For example, in the use determination for the radio frequency f1, when Gx (f1) = 0, it can be determined that the allocation of the radio frequency to the radio communication device 10-NW1 of the new radio line 200-NW is possible. When (f1) ≧ 1 (or Gx (f1)> 0), it can be determined that it is impossible to allocate the radio frequency to the radio communication device 10-NW1 of the new radio channel 200-NW.

The determination of the assignment of the radio frequency f1 to the newly installed radio line 200-NW is made according to the radio communication device 10-N.
The same processing as that of the wireless communication device 10-NW1 for W2 is performed, and the wireless communication device 10-NW2 of the wireless frequency f1 is performed.
Can be determined to be assignable if it can be assigned to

In the present embodiment, the presence / absence of presence is simply used as a criterion. However, the present invention is not limited to this. The radio station of the radio communication device 10 of the existing radio line 200 and the radio station of the new radio line 200-NW are used. Wireless communication device 10-NW1, 10-N
Numerical value obtained by correcting the value of a parameter (for example, transmission power of a transmitter, antenna gain, or the like) related to the reception electric field strength value of the radio wave of the wireless station W2 to the reception electric field strength value of the radio wave actually received. The determination may be performed in a reception state such as the above.

As described above, according to the present embodiment, the radio frequency of a new radio line can be determined and set more easily and automatically than in the prior art, and the radio frequency is determined. Costs can be significantly reduced.

<Modification> In the above-described embodiment, the radio communication device ID of the radio communication device 10 that has emitted the radio wave emitted in response to the transmission instruction message signal is assigned. You don't have to. In this case, whether the existing radio communication device 10 that uses the radio frequency in synchronization with the emission of the radio wave can grasp the reception status (reception electric field strength level of the received radio wave) by an inquiry from the radio frequency setting center device 101, Existing wireless line 2 using the radio frequency
The reception status information may be sent from the wireless communication apparatus 10 to the radio frequency setting center apparatus 101.

Even when it is determined that there is interference based on the determination table 43, the system operation is performed by the wireless station of the wireless communication device 10 of the existing wireless line 200 and the wireless communication device 10-NW1 of the new wireless line 200-NW. , 10-NW
If two or more of the two wireless stations do not emit radio waves at the same time, of course, the same frequency as the wireless station of the wireless communication apparatus of the existing wireless line 200 is set to the newly installed wireless communication apparatus 0-NW1, 10 -It may be set to the wireless station of NW2.

In the above embodiment, each radio line 2
00 performs communication by alternately transmitting one wireless frequency between the wireless communication devices 10 so as not to overlap in time, but the present invention is not limited to this. Wireless communication may be performed in full duplex or half duplex.

In the above embodiment, the radio frequency setting center device 101 is connected to each of the radio communication devices 10 and 10-NW1 and 10-NW2 via the public telephone network 300, but the present invention is not limited thereto. The communication line may be a wired line such as an ISDN line or a dedicated line, or a wireless line such as a PHS line, a mobile phone line, or a wireless link.

The radio frequency setting center device 101
From the wireless communication device 10-N of the new wireless line 200-NW
In order to save a communication line for instructing the radio stations of W1 and 10-NW2 to emit radio waves, one new wireless communication line 200-NW to be newly configured and connected to the radio frequency setting center apparatus 101 by the communication line. Wireless communication device 10-NW
Radio frequency setting from the wireless station 1 (or 10-NW2) to the wireless station of the new wireless communication apparatus 10-NW2 (or 10-NW1) of the other party via one new wireless network 200-NW to be newly configured A firing instruction from the center device 101 may be transferred.

Similarly, the radio frequency setting center device 10
In order to save a communication line for grasping the radio wave reception status of the wireless station of the existing wireless communication device 10 from 1, the existing wireless communication device 10 not connected to the radio frequency setting center device 101 by the communication line , The existing wireless communication device 1
The radio reception status to the radio frequency setting center device 101 is transferred to the radio station of the existing radio communication device 10 which is the other party connected to the radio frequency setting center device 101 by the existing radio line 200 to which the radio frequency setting center device 101 belongs. You may.

Further, the radio frequency setting center device 10
In order to save a communication line for grasping the radio wave reception status of the wireless station of the existing wireless communication device 10 from 1, the existing wireless communication device 10 not connected to the radio frequency setting center device 101 by the communication line A radio wave whose content is the test radio wave reception status is returned to the newly installed radio communication device 10 that has emitted the test radio wave and emitted, and the newly received radio communication device 10 that has received it returns to the radio frequency setting center device 101.
May be transmitted via a communication line.

[0045]

As described above in detail, according to the present invention, when an existing radio line constituted by a radio communication device exists, a radio frequency when a new radio line is provided is automatically set by the radio frequency setting center device. An automatic setting method or an automatic setting system for a radio frequency to be set, wherein a radio frequency setting center device is connected to a radio communication device of a new radio line via a predetermined first communication line, and is connected to a predetermined second radio communication device. A transmission instruction message signal, which is connected to the wireless communication device of the existing wireless line via the communication line and instructs the wireless communication device of the new wireless line to emit a test radio wave from the wireless frequency setting center device to the first communication line. In response to the transmission instruction message signal, a test radio wave is emitted by the wireless communication device of the new wireless line, and the test radio wave is emitted by the wireless communication device of the existing wireless line. And transmits the detection result to the radio frequency setting center device via the second communication line, and the radio frequency setting center device detects the reception status from the radio communication device of the existing radio line. And determines a radio frequency to be used in the radio communication device of the new radio line based on the received radio frequency.

Therefore, according to the present invention, it is possible to easily and automatically determine and set the radio frequency of a newly installed radio line, as compared with the prior art, and to greatly reduce the cost of determining the radio frequency. can do.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of an automatic radio frequency setting system according to an embodiment of the present invention.

FIG. 2 is a block diagram showing a configuration of a radio frequency setting center device 101 of FIG.

FIG. 3 is a block diagram showing a configuration of each wireless communication device 10 of FIG.

FIG. 4 is a flowchart showing a radio frequency setting process executed by the setting control unit 30 of the radio frequency setting center device 101 of FIG.

5 is a wireless device control unit 50 of the wireless communication device 10 of FIG.
6 is a flowchart showing a first part of a wireless device control process executed by the first embodiment.

FIG. 6 shows a wireless device control unit 50 of the wireless communication device 10 of FIG.
6 is a flowchart showing a second part of the wireless device control process executed by the wireless communication device.

FIG. 7 is a diagram illustrating an example of a determination table 43 of FIG. 2;

[Explanation of symbols]

10,10-A1,10-A2,10-B1,10-B
2,10-B3,10-B4,10-C1,10-C
2,. . . , 10-Z1, 10-Z2, 10-NW1,
10-NW2: wireless communication device, 11, 11-A1, 11-A2, 11-B1, 11-B
2,11-B3,11-B4,11-C1,11-C
2,. . . , 11-Z1, 11-Z2, 11-NW1,
11-NW2: Antenna, 30: Setting control unit, 31: Processing memory, 32: Input device, 33: Modem device, 41: Wireless communication device data table, 42: Electric field strength data table, 43: Judgment table, 50: 51: processing memory, 52: modem device, 56: wireless communication device data table, 57: test radio wave data table, 60: wireless device, 61: modem, 62: terminal device, 63: electric field strength detection Unit, 101: Radio frequency setting center device, 200, 200-A, 200-B, 200-
C,. . . , 200-Z: existing wireless line, 200-NW: new wireless line, 300: public telephone network, SW: switch.

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 5K042 AA06 BA14 CA02 DA01 EA01 EA09 EA10 LA04 LA11 5K067 AA03 AA44 BB02 DD34 EE02 EE10 EE16 EE61 FF16 GG01 GG11 JJ11

Claims (6)

[Claims] 1. An automatic radio frequency setting method for automatically setting a radio frequency when a new radio line is provided by a radio frequency setting center device when an existing radio line constituted by a radio communication device is present, The radio frequency setting center device is connected to the radio communication device of the new radio line via a predetermined first communication line, and is connected to the radio communication device of the existing radio line via a predetermined second communication line, A first step of transmitting, via the first communication line, a transmission instruction message signal for instructing emission of a test radio wave from the radio frequency setting center apparatus to the wireless communication apparatus of the new wireless line, and responding to the transmission instruction message signal A second step of transmitting a test radio wave in the wireless communication device of the new wireless line and receiving the test radio wave in the wireless communication device of the existing wireless line. And transmitting the detection result to the radio frequency setting center device via the second communication line. The radio frequency setting center device detects the reception status of the existing radio line from the radio communication device. And determining a radio frequency to be used in the radio communication device of the new radio line based on the received radio frequency. 2. The method for automatically setting a radio frequency according to claim 1, wherein, after the fourth step, the radio frequency setting center device transmits information on the radio frequency determined for the radio communication device of the newly established radio channel to the fourth radio communication device. 5. A radio frequency automatic setting method, further comprising a fifth step of transmitting and setting via a second communication line. 3. The method for automatically setting a radio frequency according to claim 1, wherein before the first step, the radio frequency setting center device transmits a reception instruction message signal to the radio communication device of the existing radio line. The method further comprises a sixth step of transmitting a radio frequency. 4. An automatic radio frequency setting system for automatically setting a radio frequency when a new radio channel is provided by a radio frequency setting center device when an existing radio channel constituted by a radio communication device is present, A radio frequency setting center device, a radio communication device of a new radio line connected from the radio frequency setting center device via a predetermined first communication line, and a radio frequency setting center device via a predetermined second communication line. The radio frequency setting center device transmits a transmission instruction message signal for instructing the radio communication device of the new radio line to emit a test radio wave to the first communication line. The wireless communication device of the new wireless line emits a test radio wave in response to the transmission instruction message signal, and the wireless communication device of the existing wireless line performs the test. The radio wave is received, the reception state is detected, the detection result is transmitted to the radio frequency setting center device via the second communication line, and the radio frequency setting center device receives the radio wave from the radio communication device on the existing radio line. Automatically detecting a radio frequency to be used in a radio communication device of a new radio line based on the detection result. 5. The radio frequency automatic setting system according to claim 4, wherein the radio frequency setting center device further transmits information of the radio frequency determined for the radio communication device of the newly established radio channel to the second radio frequency communication device.
Wireless frequency automatic setting system, wherein the setting is performed by transmitting through a communication line. 6. The automatic radio frequency setting system according to claim 4, wherein the radio frequency setting center device instructs the radio communication device of the existing radio line to transmit the transmission instruction signal before transmitting the transmission instruction message signal. An automatic radio frequency setting system for transmitting a telegram signal.