JP2506911B2 - Radio station equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of use] The present invention provides bidirectional wireless communication between a plurality of base stations arranged in each service area and a plurality of mobile stations moving in the service area. The present invention relates to a wireless station device to perform.

[Conventional technology]

FIG. 3 is a schematic configuration diagram for explaining the entire wireless station device.

The wireless station device moves within the service areas S ₁ and S ₂ and a plurality of base stations A to D which are distributed and arranged so as to divide the service areas S ₁ and S ₂ formed by the reach of radio waves. A plurality of mobile stations F to J, and a control station 3 for monitoring the location of the mobile stations F to J depending on which base station A to D the mobile stations F to J are using. , A plurality of systems 1 and 2 each of which is composed of a user's upper station 4 connected to the control station 3 are arranged, and based on a command from the control station 3, the base stations A to D and the mobile stations F to Data communication such as characters is performed with J.

[Problems to be Solved by the Invention]

However, in the above-described conventional radio station apparatus, when the radio lines are connected between the base stations A to D and the mobile stations F to J, the mobile stations F, G, and H of the system 1 are the base stations A of the system 1. , B
And the base station C, D of the system 2 is located at the boundary (state of the mobile station F), the mobile stations F, G, H of the system 1 are located.
The radio waves transmitted by the base stations A to D of both systems 1 and 2 are received. Also, the radio waves emitted from the base stations A and B of the system 1 or the base stations C and D of the system 2 are transmitted by the system 1
It is received by the mobile stations F, G, and H. Therefore, the base stations C and D of the system 2 and the mobile stations F, G and H of the system 1 are connected to each other, and bidirectional data communication is performed between these stations, so that the base stations of different systems can be used. There has been a problem that a line is connected to a mobile station and data communication that is not originally performed is performed.

Therefore, in order to solve the above-mentioned problem, there is a device configured so that data is transmitted only to a specific station by assigning numbers and codes to each base station and mobile station and monitoring them. That is, as shown in FIG. 3, base stations A and B are connected to mobile stations F, G and H, and base stations C and D are connected to mobile stations I and J, respectively. A or B is a mobile station
The mobile stations I and J are connected by connecting the lines only to F, G and H for wireless communication.
The signal from is rejected without being received. Similarly, the base station C or D connects only to the mobile stations I and J to perform wireless communication, and rejects signals from the mobile stations F, G and H without receiving them. Also, on the mobile station side, mobile stations F, G, H connect wirelessly by connecting lines only with base stations A or B, and mobile station I, wirelessly connect only line with base stations C or D. Communicate.

As a result, it is possible to prevent a line from being connected between a base station and a mobile station having different systems from each other to perform wireless communication.

However, the wireless station device described above also has the following problems.

1) Each station (base station, mobile station) needs to store all the partner stations to which it should connect.

2) When a call is received from the partner station, it is necessary to verify all the states whether or not the partner station should be connected.

3) When the service area is composed of a plurality of base stations as shown in FIG. 3, the mobile station needs to manage the location of the base station when connecting to the base station.

Therefore, the present invention has been made in view of the above-mentioned problems, and an object thereof is to provide a boundary portion of service areas in which communication can be performed with base stations respectively arranged in different service areas of a system. Even if the mobile station is located in, the line is not connected between the base station and mobile station of different systems, and the line is connected only between the base station and mobile station of the same system for communication. Each station can easily recognize the partner station to which it connects and send only the necessary data to each station, responding to calls from other stations in a short time to speed up the line connection and improve service efficiency. It is to provide a wireless station device capable of increasing the power consumption.

[Means for solving the problem]

To achieve the above object, the wireless station device according to the present invention is
A plurality of mobile stations F that are freely movable to transmit and receive radio waves
To J, base stations A to D in which at least two stations are arranged so that a part of the service areas S ₁ and S ₂ formed by the reach of radio waves overlap, and the zone where each mobile station is located And a control station 3 that selects a base station that manages the mobile station and communicates with each mobile station, wherein each of the base station and the mobile station groups its own station for each service area to which it belongs. A group number setting unit 6 in which group numbers for division can be set during communication or during communication, and a group number collating unit 7 for collating the group number set by the group number setting unit with the group numbers of other stations. If the base station and the mobile station belong to the same group as a result of the group number collation unit, the line between the base station and the mobile station of the same group is connected. And a control signal for outputting a control signal to the base station and the mobile station when the base station and the mobile station belong to different groups from each other so as to prohibit the line connection between the base station and the mobile station of the different group 8
It is characterized by having.

[Action]

The group number setting unit 6 allocates and sets a group number during or during communication, and divides the own station into groups according to service areas S ₁ and S ₂ to which the own station belongs.
When bidirectionally performing wireless communication between a predetermined base station (for example, A) and a mobile station (for example, F), the group number collating unit 7 uses the group number set by the group number setting unit 6 of its own station. Check the group number sent from another station. Then, according to the collation result of the group number collating unit 7, the control unit 8 connects the line between the base station and the mobile station of the same group when the base station and the mobile station belong to the same group. When the base station and the mobile station belong to different groups, the line connection between the base station and the mobile station of the different group is prohibited. This allows different service areas, for example, as shown in FIG. 2 and FIG.
Even if the mobile station (for example, F) is located at the boundary between the service areas S ₁ and S ₂ that can communicate with the base stations (A and C) arranged in S ₁ and S ₂ , respectively, Lines are not connected between base stations and mobile stations having different systems, and bidirectional wireless communication is performed only with stations of the same group.

〔Example〕

FIG. 1 is a block diagram showing an embodiment of configurations of a base station and a mobile station in a wireless station device of the present invention.

As shown in FIG. 2, the wireless station apparatus according to this embodiment includes a plurality of base stations A to D distributed so as to divide service areas S ₁ and S ₂ whose areas partially overlap each other, and a service. A plurality of mobile stations F to J moving in the areas S ₁ and S ₂ and one of the base stations A to D that the mobile stations F to J are using a wireless link with are selected. A plurality of systems 1 and 2 each including a control station 3 for monitoring the location of the mobile station and a user's upper station 4 connected to the control station 3 are provided. F to J are divided into service areas S ₁ and S ₂ to which they respectively belong, and radio stations are connected between the base stations A to D and mobile stations F to J of the same group to connect these stations. Data communication such as characters is bidirectionally performed between them.

Hereinafter, the configurations of the base stations A to D and the mobile stations F to J will be described in detail.

Each of the base stations A to D and the mobile stations F to J includes a wireless device 5, a group number setting unit 6, a group number collating unit 7, and a control unit 8.

The radios 5 on the side of the base stations A to D are mobile stations F to F that move in the service areas S ₁ and S ₂ based on a command from the control station 3.
A radio wave in which data such as characters is superimposed is transmitted to J, or conversely, a radio wave transmitted from the mobile stations F to J is received and output to the control unit 8.

In addition, the wireless device 5 on the side of the mobile stations F to J has a service area.
Bases that transmit radio waves on which data such as characters are superimposed are transmitted to predetermined base stations A to D distributed in S ₁ and S ₂ , or conversely, are transmitted based on a command from the control station 3. Station A ~
The radio wave from D is received and output to the control unit 8.

The group number setting unit 6 on the base stations A to D side is for grouping the base stations A to D for each service area S ₁ , S ₂ to which the own station belongs during communication (including before communication) or during communication. Group number is set, service area
The number is assigned to each S ₁ and S ₂ . When a group number is input to each of the base stations A to D based on, for example, a key operation from the outside, the data indicating the group number is superimposed on the radio wave output from the wireless device 5 during communication. Will be sent.

The group number setting unit on the side of the mobile stations F to J is also configured in the same manner as described above, and the service area to which the own station belongs.
A groove number for grouping the mobile stations F to J is set for each of S ₁ and S ₂ .

The group number collating unit 7 on the base stations A to D collates the group number set by the group number setting unit 6 with the group numbers of other stations. From the group number of the own station and the mobile stations F to J. The group number of the received radio wave is collated and the result is output to the control unit 8.

The group number collating unit on the side of the mobile stations F to J is also configured in the same manner as described above, collates the group number of its own station with the group number of the radio wave received from the base stations A to D, and the result is the control unit. It outputs to 8.

The control units 8 of the base stations A to D and the mobile stations F to J, based on the collation result from the group number collating unit 7, the base stations A to D.
And the mobile stations F to J are connected and the result is output to another station as a control signal. Based on the result of the group number collating unit 7, the base stations A to D and the mobile stations are moved. Station F
When J to J belong to the same group, the lines between these stations are connected and controlled to perform data communication such as characters. Also, when the base stations A to D and the mobile stations F to J belong to different groups, control is performed so that the lines between these stations are not connected.

Next, the operation of the wireless station device having the above configuration will be described.

First, during communication, the group number setting unit 6 causes the base stations A to D and the mobile stations F to D in the service areas S ₁ and S ₂ to which the own station belongs.
For J, a predetermined group number is assigned and set for each service area S ₁ , S ₂ . It should be noted that it may be performed during the allocation communication of this group.

Then, when the radio device 5 receives the radio wave output by the call from the base stations A to D and the mobile stations F to J, the group number collation unit 7 and the group number setting unit 6 in advance together with the group number superposed in the radio wave. Check with the group number set by. When the group number collation unit 7 collates, the result is sent to the control unit 8, and when the base stations A to D and the mobile stations F to J belong to the same group,
It outputs a control signal to the partner station and connects the line between each station to perform data communication such as characters. When the base stations A to D and the mobile stations F to J belong to different groups,
The line connection between these stations is prohibited and controlled so that communication cannot be exchanged.

Therefore, in the above-described embodiment, since the line is connected and the wireless communication can be performed only when the base stations A to D and the mobile stations F to J belong to the same group, the line connection that each station must store is related. The amount of information is reduced and the memory capacity can be reduced. Further, since each station does not make a line connection with a station other than the same group, each station can easily recognize the partner station to which its own station connects and can transmit only necessary data to each station. In addition, since it is not necessary to collate with all other stations in the line connection operation as in the past, it responds to calls from other stations in a short time and connects the line at high speed.
Service efficiency can be improved. Also, the mobile station does not need to manage the location of the mobile station when connecting to the base station, and can perform wireless communication between the stations in the transmission direction.

By the way, in the above-mentioned embodiment, the service areas S ₁ , S ₂
The case where the two are arranged side by side has been described as an example.
As shown in the figure, the case where the service areas S ₁ and S ₂ are randomly arranged can be dealt with, and the same effect as the above case can be obtained.

〔The invention's effect〕

As described above, according to the wireless station device of the present invention, the mobile station is located at the boundary portion of the service areas in which communication can be performed with the base stations respectively arranged in different service areas of the system. Also, it is possible to connect the line only between the base station and the mobile station of the same system without connecting the line between the base station and the mobile station of different systems. Further, it is possible to omit the management of the location of the mobile station when the line is connected to the base station. Moreover, the group number for determining connection / prohibition of the line between the base station and the mobile station arranged in the service area of the same system can be set not only during communication but also during communication.

As described above, in the wireless station device of the present invention, each station can easily recognize the partner station to which its own station is connected, and reliably transmit only necessary data to each station, and it is possible to make a short call to other stations. It can respond in time and connect to the line at high speed to improve service efficiency.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of configurations of a base station and a mobile station in a wireless station device according to the present invention, and FIG. 2 shows an example of a wireless station device when a plurality of service areas are arranged in parallel. FIG. 3 is a block diagram showing an example of a generally used wireless station apparatus, and is an example of a wireless station apparatus when service areas are randomly arranged. S ₁ , S ₂ …… Service area, A to D …… Base station, F to J
...... Mobile station, 5 ...... Wireless device, 6 …… Group number setting unit, 7 …… Group number collating unit, 8 …… Control unit.

Claims (1)

(57) [Claims] 1. A plurality of mobile stations (F to J) movably provided for transmitting and receiving radio waves and a part of a service area (S ₁ , S ₂ ) formed by the reach of radio waves overlap each other. At least two base stations (A
To D) and a control station (3) that manages the zone where each mobile station is located and selects a base station that communicates with each mobile station, each of the base station and the mobile station. Is a group number setting unit (6) capable of setting a group number for grouping the own station for each service area to which the own station belongs, and a group number set by the group number setting unit. Group number collating unit (7) for collating the number with the group number of another station, and when the base station and the mobile station belong to the same group according to the collation result of the group number collating unit, A control signal is output so as to connect a line between the base station and the mobile station, and when the base station and the mobile station belong to different groups, the base station and the mobile station move to the base station of the different group. A radio station apparatus comprising a control unit (8) for outputting a control signal so as to prohibit a line connection with a mobile station.