JP2003249891A - Digital broadcast radio system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem wherein facilitating the time required for an ID change of each station in a digital broadcast radio system composed of an operation table, a host station, a relay station, a slave station, and a house- to-house receiver and for system configuration changes, and facilitating management by the operation table. <P>SOLUTION: The operation table transmits an ID renewal message and a system change message composed of ID numbers, system numbers, group numbers of the host station, the relay station, the slave station, and the house-to- house receiver. When confirming a changing instruction for own system in a received system change message, each host station broadcasts the ID renewal messages to the slave stations and the house-to-house receivers through subsequent relay stations. When confirming change information in the system number and the group number corresponding to the ID numbers of their own stations in the received message, the host station, the relay station, the slave station, and the house-to-house receiver renew the information to the change information. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a digital broadcast radio system applied to a municipal disaster prevention radio system or the like and efficiently rewriting the ID of each device.

[0002]

2. Description of the Related Art FIG. 5 is representative of a municipal disaster prevention radio system.
In the system diagram showing the configuration of the conventional broadcast wireless system
is there. In the figure, 1 is a console, 2 is a master station, and 3 is a relay station.
Station, 4₁~ 4_ThreeIs a child station, 5₁~ 5_ThreeIs a door-to-door receiver
It The console 1 is wired to the master station 2, and the master station 2 and the relay station
3, relay station 3 and slave station 4₁~ 4_ThreeAnd door-to-door receiver 5₁~
5_ThreeAre connected by a wireless line. In addition, child station 4₁, 4
_TwoAnd door-to-door receiver 5₁Belongs to group A, and slave station 4_Three
And door-to-door receiver 5 _Two, 5_ThreeBelongs to group B and it
The group number is the identification number (hereinafter referred to as the ID)
Have been registered.

Next, the operation will be described. When there is a communication request with the group B from the operator console 1, the master station 2 having received the request communicates with the group B via the relay station 3. At this time, the slave stations 4 ₃ , the door receivers 5 ₂ and the door receivers 5 ₃ belonging to the group B start the reception operation, and the slave stations 4 ₁ , 4 ₂ and the door receivers 5 belonging to the group A are started.
_{No. 1} stops the reception operation after confirming that its own station is out of communication.

In such a broadcast wireless system, the group number, that is, the ID may be changed due to an increase in the number of groups, for example. A conventional ID rewriting method will be described with reference to FIG. To group state of FIG. 5, it is newly provided a group C, the slave station 4 ₂ and individual homes receiver 5 ₃ is assumed to be assigned to the group C. In this case, the operator console 1 issues a change request to the master station 2. The master station 2 which has received the change request, the slave station 4 ₂ and door-to-door receiver 5 ₃ 1 station at a time individually call, sends an instruction to change the group number. Slave station 4 ₂ and individual homes receiver 5 ₃ that has received the change instruction, changes the group number of its own station C.

[0005]

Since the conventional broadcast wireless system is constructed as described above, when rewriting the ID such as the group number, each station is called individually and the ID is rewritten. In order to confirm that the ID has been normally completed, it is necessary to call again for each station using a means such as polling, and it takes longer to rewrite the ID as the system scale increases. There was a problem.

The present invention has been made to solve the above problems, and an object of the present invention is to obtain a digital broadcast radio system in which the system is easy to manage and the time until completion of ID rewriting can be greatly shortened. .

[0007]

SUMMARY OF THE INVENTION A digital broadcast radio system according to the present invention includes an operating console, a plurality of master stations to which the operating console is wire-connected, and direct or cascade connection to these master stations via wireless lines. The relay stations are connected to each other by arranging a plurality of relay stations, a plurality of slave stations connected to these relay stations by wireless lines, and a plurality of door-to-door receivers connected to the relay stations by wireless lines. A system is formed centering on the master station, a slave station and a door-to-door receiver form a group within the system centering on the relay station to which it is connected, and the console controls each system and each group via each master station. A digital broadcast wireless system is configured to perform broadcast communication to devices.The master station and relay station store their own identification numbers and system numbers, and the slave stations and door-to-door receivers receive their own Identification number System numbers and group numbers are stored, and the system numbers and group numbers corresponding to the respective identification numbers are registered in the operator console.When changing the system and group configurations, I consisting of the identification number, system number, and group number of the master station, relay station, slave station, door-to-door receiver, etc.
When a system change message including a D rewrite message is sent to each master station, each master station analyzes the received system change message, and confirms its own system change instruction in the system change message, ID to the slave station and door-to-door receiver via the relay station of the own system
The master station, relay station, slave station, and door-to-door receiver that sent the rewrite message all at once and received the system change message are the system number and group corresponding to the identification number of the own station in the system change message or the ID rewrite message. When the number change information is confirmed, the stored system number and group number are rewritten to the change information.

In the digital broadcast radio system according to the present invention, the relay station and the slave station whose system numbers and group numbers have been changed transmit the ID rewriting completion message to the master station, and the master station sets the system number of its own station. A system change completion message indicating completion of rewriting and ID rewriting of the device in the own system is transmitted to the operator console.

A digital broadcast radio system according to the present invention includes an operating console, a master station to which the operating console is connected by wire, a plurality of relay stations connected to the master station by wireless lines, and the relay stations. A plurality of slave stations connected by a wireless line and a plurality of door-to-door receivers connected by a wireless line to the relay station are arranged, and the slave station and the door-to-door receiver are centered around the relay station to which they are connected. In a digital broadcasting wireless system, a relay station, a slave station, and a door-to-door receiver each identify themselves by forming multiple groups, and the console performs broadcast communication to the devices of each group via the master station. Numbers and group numbers are stored, and the group numbers corresponding to the respective identification numbers are registered in the operator console.When changing the group configuration, the operator console selects the relay station or slave station to be changed. And door-to-door receivers, etc. Transmits an ID rewriting messages consisting of the identification number and the group number collectively from the master station, I
D When the relay station, slave station, and door-to-door receiver that received the rewrite message confirm the change information to the group number corresponding to the identification number of the own station in the ID rewrite message, change the stored group number to the change information. It was rewritten to.

The digital broadcast radio system of the present invention comprises:
The slave station and the relay station whose group numbers have been changed transmit the ID rewriting completion message to the console via the relay station and the master station.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below.
explain. Embodiment 1. First Embodiment FIG.
It is a block diagram which shows a digital broadcasting radio system. here
Is the case of integrating two systems centered on the master station
Shown, 1 console 1 and 2 master stations 2₁, 2_Two3 stations
Relay station 3₁~ 3_Three4 slave stations 4 ₁~ 4_FourAnd four
Door-to-door receiver 5₁~ 5_FourDigital broadcast radio system consisting of
The stem will be described as an example.

A plurality of master stations 2₁, 2_TwoIs wired to the console 1
Connected, master station 2₁Form system 1 and master station 2_TwoIs
It forms the system 2. In system 1, the master station
Two₁Relay station 3₁Are connected by a wireless line, and relay station 3₁
At the relay station 3_Two, Slave station 4₁And door-to-door receiver 5₁Nothing
Connected by a wire line. In this case, relay station 3_TwoIs the parent station
Two₁To relay station 3₁Connected in cascade. Relay station 3₁
Child station 4 centered on₁And door-to-door receiver 5₁Is a group
Forming A. Also relay station 3_TwoIs a child station 4 _Twoand
Door-to-door receiver 5_TwoAre connected by radio lines to form group B
is doing. On the other hand, in the system 2, the master station 2_TwoIn
Station 3_ThreeAre connected by a wireless line. Relay station 3_ThreeIn
Child station 4_Three, 4_FourAre connected by a wireless line to form group C
Also, door-to-door receiver 5_Three, 5_FourAre connected by a wireless line,
Group D is formed.

ID information for identifying each device
Describe. Master station 2₁, 2_Two, Relay station 3 ₁~ 3_Three, Slave station 4₁
~ 4_FourAnd door-to-door receiver 5₁~ 5_FourEach of the
To identify itself, such as the set individual number and manufacturing number
The identification number is stored. In addition, these devices are
Once the system for determining the communication path and the grouping are decided,
The system number (including system name) to which the
Memory number (including group name)
It Therefore, here, the master station 2₁And relay stations
Three₁, 3_Two“System 1” is registered in the_TwoOh
And relay station 3_Three“System 2” is registered in.
Child station 4₁And door-to-door receiver 5₁Is "System 1"
“Group A” is a slave station 4 _TwoAnd door-to-door receiver 5_TwoIn
"System 1" and "Group B" are registered. Well
The child station 4_Three, 4_Four"System 2" and "Group"
"C" is registered, and the door-to-door receiver 5_Three, 5_FourThe system
2 ”and“ Group D ”are registered.

FIG. 2 is an explanatory diagram showing the ID information management table of the console according to the first embodiment. FIG. 2A shows registered ID information before change, and FIG. 2B shows an example of ID information for changing the system and group. In this ID information management table, the “name” column is considered to indicate an identification number for identifying each device itself. In the operation described below, the system change message and the ID rewriting message are used. The ID rewriting message is composed of data relating to the relay station, the slave station and the door-to-door receiver of FIG. The data regarding the master station includes this ID rewriting message. When the master station, relay station, slave station and door-to-door receiver analyze the change information from these system change message and ID rewrite message, the corresponding system number or group number is searched based on its own identification number. , And the necessity of the change is determined by collating with the stored number.

FIG. 3 is an explanatory diagram showing an ID rewriting connection sequence according to the operation example of the first embodiment. Next, the operation will be described. The user inputs the system change message of FIG. 2B to the console 1. The console 1 sends the input system change message to the master stations 2 ₁ and 2 ₂ . Master station 2 _1, 2 _2, upon receiving the system change message, analyzes if there is any change information to the group number of the system number and the own system corresponding to its own identification number in the message. If no change information is included in the system change message, the system change message is discarded. If the system change message includes only the change information regarding the system number of the own station, the system change message is rewritten and the system change completion message of the own system is transmitted to the operator console 1.

In this example, since the change information for the groups in the system 1 and the system 2 is included in the system change message, the master station 2 ₁ and the master station 2 ₂ are
I for the relay station 3 ₁ and the relay station 3 _{3 in the} subsequent stages, respectively.
D Send rewrite message. Upon receiving the ID rewriting message, the relay station 3 ₁ relays the ID rewriting message to the relay station 3 ₂ , the slave station 4 ₁ and the door-to-door receiver 5 _{1 in the} subsequent stage, and at the same time, from the ID rewriting message to the own station ID (system Number) related change information is analyzed.
Here, if it contains changes on the relay station 3 ₁ ID rewriting the message, the relay station 3 ₁ performs rewriting own station ID (system number), the own station ID to the master station 2 ₁ Will send a rewrite completion message. In this example, the own station ID of the relay station 3 ₁ is included in the ID rewriting message.
Since the change information of _No. is not included, the relay station 31 only relays the ID rewriting message.

On the system 2 side, the relay station 3_ThreeIs the same
When the ID rewriting message is received, the slave station 4 in the subsequent stage receives
_Three, 4_FourAnd door-to-door receiver 5_Three, 5_FourID rewriting for
At the same time as relaying the message, the ID rewriting message
The change information regarding the own station ID is analyzed in the page. here
Is a relay station 3_ThreeDoes not include information on the change of its own station ID
So relay station 3_ThreeMID rewrite message later
It will only be relayed. Then relay station 3₁Relayed at
Relay station 3 that received the ID rewriting message _TwoIs the same as
Subordinate station 4_Two, Door-to-door receiver 5_TwoID rewriting for
At the same time as relaying the message,
The change information regarding D (system number) is analyzed. here
Then, in the ID rewriting message, the relay station 3_TwoSystem of
Includes change information to instruct the system 2 to change the number
Relay station 3_TwoShows the system ID from system 1
Master station 2 after rewriting to tem 2_TwoRewrite complete message
Send sage directly.

Relay station 3_TwoID rewriting message relayed at
Door-to-door receiver 5 that received the sage_TwoSimilarly, rewrite the ID
Own ID in the message (system number, group number
No.) is analyzed. Here, ID rewriting
Door-to-door receiver 5 in the message _TwoSystem number
Since the change information that instructs the change to system 2 is included,
Separate receiver 5_TwoShows its ID from System 1 to System 2
Rewrite to. Similarly, relay station 3_TwoID book relayed at
Sub-station 4 that received the replacement message_TwoEven in the message
Changes regarding own station ID (system number, group number)
Analyze the information. Here, in the ID rewriting message
Child station 4_TwoSystem number from system 1 to system 2
Since the change information for instructing the change is included, the slave station 4
_TwoRewrites its own station ID from system 1 to system 2,
Relay station 3_TwoThrough the master station 2_Two, Rewriting your own station ID
Send a completion message.

Further, the slave station 4 ₁ and the door-to-door receiver 5 _{1 which} have received the ID rewriting message relayed by the relay station 3 ₁ .
Similarly, the change information regarding the ID (system number, group number) in the message is analyzed. Here, the slave station 4 ₁ and since individual homes change information receiver 5 ₁ ID is not included, the slave station 4 ₁ and individual homes receiver 5 ₁
Discards the ID rewriting message. Further, similarly for the slave stations 4 ₃ and 4 ₄ and the door-to-door receivers 5 ₃ and 5 ₄ that have received the ID rewriting message relayed by the relay station 3 ₃ , similarly, the own station ID (system number, group number) in the message is transmitted. ) For change information. Here, ID
The rewriting message includes change information for instructing the change of the group numbers of the slave stations 4 ₃ and 4 ₄ from the group C to the groups A and C, and the group numbers of the individual door receivers 5 ₃ and 5 ₄ are changed from the group D to the group A. , D is included in the change information. Therefore, for the slave stations 4 ₃ and 4 ₄ , the own station ID is rewritten from the group C to the groups A and C, and the rewriting completion message is transmitted to the master station 2 ₂ via the relay station 3 ₃ , while the doors are separated from each other. Regarding the receivers 5 ₃ and 5 ₄ , the own station ID is only rewritten from the group D to the groups A and D.

Master station 2₁Is a relay station 3₁Rewrite complete
When the message is received, the system
Notify the console 1 of the update completion message. Similarly, the parent station
Two_TwoIs a relay station 3_TwoFrom relay station 3_TwoAnd child station 4_TwoAgain
Relay station 3_ThreeTo child station 4_Three, 4 _FourRewriting completion message
When you receive the message,
Notify the console 1 of the message. According to the above series of operations
Configuration of change system due to completion of ID rewriting
Becomes as shown in FIG. Rewriting completion message above
Message and the system change message indicate the device
Include identification number, system number, group number, etc.
You may do it. By doing so, the console 1
Collates them with the ID data in Fig. 2 (b) and
It will be easier to check the status. Also check the status of this change
Indicates that if the ID data matches, the
For example, if the display of the target data on the monitor is changed in color,
It is also possible to do it automatically by such a method.

As described above, according to the first embodiment, when the user wants to change the ID of an arbitrary station in the system, the system change message is collectively transmitted from the console, and the master station relays. The system change message is sent as an ID rewriting message to the slave station and the door-to-door receiver by broadcast communication via the station, and the slave station and the door-to-door receiver receiving the ID rewriting message analyze the message and When the rewriting message contains the change information of the own station ID, the own station ID is rewritten, so that the user can easily manage the system, and the ID rewriting can be performed more than the conventional ID rewriting method. The effect of significantly shortening the time to completion can be obtained.

Further, according to the first embodiment, it is possible to cope with a large-scale system composed of a plurality of master stations and relay stations, and the master station and the relay stations are given unique IDs to operate. Since it is possible to rewrite the IDs of the master station and relay station from the desk, it is possible to obtain the effect of adapting to future system expansion such as merger of municipalities. Further, the relay station and the slave station notify the master station that the ID rewriting of their own station is completed as an ID rewriting completion message, and the master station adds the ID rewriting completion message and the system change completion indicating the completion of modification of its own system. Since the message is sent to the operator console, the user can promptly confirm the completion of the change of the system configuration, and the effect of enabling highly reliable system management can be obtained.

In the first embodiment, an example in which a system framework centering on a plurality of master stations is provided and is applicable to a wide area digital broadcast wireless system has been shown. However, the present invention is not limited to this. The same can be applied to a small-scale digital broadcast wireless system by a station. However, in that case, the system configuration is not used as in the conventional case, and only the group configuration is performed.

[0024]

As described above, according to the present invention, a console, a plurality of master stations to which the console is connected by wire, and a plurality of relays that are directly or cascade-connected to these master stations by wireless lines. Station, a plurality of slave stations connected to these relay stations by wireless lines, and a plurality of door-to-door receivers connected to the relay stations by wireless lines, with the relay station centering on the master station to which it connects. Form a system within the system, with the slave station and the door-to-door receiver forming a group within the system centered on the relay station to which it is connected, and the operator console broadcasts to each system and each group of devices via each master station. The digital broadcast wireless system is configured to perform communication, the master station and the relay station store their own identification numbers and system numbers, and the slave stations and door-to-door receivers each have their own identification number, System number and group Group number, etc. are stored in the operator console, and the system number and group number corresponding to each identification number are registered.When changing the configuration of the system and group, the operator console selects the master station to be changed. , A system change message including an ID rewriting message consisting of an identification number of a relay station, a slave station, a door-to-door receiver, etc., a system number and a group number, and each master station receives the system change message. When the system change message is confirmed in the system change message, the ID rewrite message is collectively sent to the slave station and the door-to-door receiver via the relay station of the system at the latter stage, and the system is changed. The master station that received the change message,
When the relay station, slave station and door-to-door receiver confirm the change information to the system number and group number corresponding to the identification number of the own station in the system change message or the ID rewriting message, the stored system number and group Since it is configured to rewrite numbers etc. to change information,
The user can easily rewrite the IDs of the master station, relay station, slave station, and door-to-door receiver in the system, change the system configuration, and integrate with other systems by batch instructions from the console. The system can be easily managed, and the time required to complete ID rewriting can be greatly shortened.

According to the present invention, the relay station and the slave station, which have changed the system number and the group number, send the ID rewriting completion message to the master station, and the master station completes the rewriting of the system number of the self station and the self system. Since it is configured to send a system change completion message indicating the completion of ID rewriting of the device in the console to the user, the user can quickly confirm the completion of the system configuration change, and highly reliable system management is possible. Has the effect of

According to the present invention, the operator console, the master station to which the operator console is connected by wire, the plurality of relay stations connected to the master station by wireless lines, and the relay stations connected to these relay stations by wireless lines. Multiple slave stations that are connected to each other and multiple receivers that are connected to the relay station by wireless lines, and form a single or multiple groups centered on the relay station to which the slave station and the receiver are connected. However, in the digital broadcast wireless system so that the operator console broadcasts to the devices of each group via the master station, the relay station, slave station and door-to-door receiver each have their own identification number and group number, etc. Is stored and the group numbers corresponding to the respective identification numbers are registered in the operator console, and when the group configuration is changed, the operator console selects the relay station, slave station, door-to-door receiver, etc. Identification number and group The ID rewriting message consisting of a number is sent all at once from the parent station, and the relay station, slave station, and door-to-door receiver that received the ID rewriting message change to the group number corresponding to their own identification number in the ID rewriting message. When the information is confirmed, the stored group number is rewritten to the change information, so it is possible to easily rewrite the IDs of the relay station, slave stations, and individual receivers by batch instructions from the operator console. As a result, it is easy for the user to manage, and there is an effect that the time until completion of ID rewriting can be greatly shortened.

According to the present invention, since the slave station and the relay station whose group number has been changed are configured to send the ID rewriting completion message to the console via the relay station and the master station, the user completes the ID rewriting. Can be quickly confirmed, which has the effect of enabling highly reliable system management.

[Brief description of drawings]

FIG. 1 is a configuration diagram showing a broadcast wireless system according to a first embodiment of the present invention.

FIG. 2 is an explanatory diagram showing an example of an ID table according to the first embodiment.

FIG. 3 is an explanatory diagram showing an ID rewriting connection sequence according to the first embodiment.

FIG. 4 is a configuration diagram showing a system configuration after completion of ID rewriting according to the first embodiment.

FIG. 5 is a configuration diagram showing an example of a conventional broadcast wireless system.

FIG. 6 is an explanatory diagram showing a conventional ID rewriting method.

[Explanation of symbols]

1 console, 2, 2 ₁ , 2 ₂ master station, 3, 3 _{1 to} 3 ₃
Relay station, 4 ₁ to 4 ₄ slave stations, 5 _{1 to} 5 ₄ individual receivers.

Claims (4)

[Claims] 1. An operating console, a plurality of master stations to which the operating console is connected by wire, a plurality of relay stations directly or cascade-connected to these master stations by wireless lines, and connecting to these relay stations by wireless lines. A plurality of slave stations and a plurality of door-to-door receivers connected to the relay station by a wireless line, and the relay station forms a system centering on a master station to which the relay station is connected. And the door-to-door receiver forms a group in the system around the relay station to which the receiver is connected, and the operator console performs broadcast communication to the devices of each system and each group via each master station. In a digital broadcast wireless system, the master station and relay station store their own identification numbers and system numbers, and the slave stations and door-to-door receivers each have their own identification number, system number and Guru System numbers and group numbers corresponding to the respective identification numbers are registered in the operator console, and when the system and group configurations are changed, the operator console changes the target A master station, a relay station, a slave station, a door receiver, etc., and transmits a system change message including an ID rewriting message consisting of a system number and a group number to each master station, and each master station When the received system change message is analyzed and the change instruction of the own system is confirmed in the system change message, the ID rewrite message is sent to the slave station and the door-to-door receiver via the relay station of the own system in the subsequent stage. , The master station, the relay station, which received the system change message,
When the slave station and the door-to-door receiver confirm the change information to the system number and the group number corresponding to the identification number of the own station in the system change message or the ID rewriting message, the stored system number and group number, etc. Is rewritten with the change information. 2. The relay station and the slave station, which have changed the system number and the group number, send an ID rewriting completion message to the master station, and the master station completes the rewriting of the system number of the self station and a device in the self system. 2. The digital broadcast wireless system according to claim 1, wherein a system change completion message indicating completion of ID rewriting is sent to the console. 3. An operating console, a master station to which the operating console is connected by wire, a plurality of relay stations connected to the master station via wireless lines, and a plurality of children connected to these relay stations via wireless lines. Station and a plurality of door-to-door receivers connected to the relay station by a wireless circuit, and the slave station and the door-to-door receiver form a single or a plurality of groups centered on the relay station to which they are connected. , In the digital broadcast wireless system so that the operation console performs broadcast communication to the devices of each group via the master station, the relay station, the slave station and the door-to-door receiver respectively have their own identification numbers and Group numbers and the like are stored, the group numbers and the like corresponding to the respective identification numbers are registered in the operation console, and when changing the configuration of the group, the operation console is a relay station to be changed, Slave and door-to-door reception The ID rewriting message including the identification number and the group number of the device, etc. is collectively transmitted from the master station, and the relay station, the slave station and the door-to-door receiver which have received the ID rewriting message identify themselves in the ID rewriting message. A digital broadcast wireless system characterized in that when the change information is confirmed in the group number corresponding to the identification number of the station, the stored group number is rewritten to the change information. 4. The digital station according to claim 3, wherein the slave station and the relay station whose group number has been changed transmit an ID rewriting completion message to the console via the relay station and the master station. Radio system.