JP4536205B2 - Mobile station location registration method - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a mobile station location registration (base zone in which a mobile station exists, that is, registration of a communication area of a base station) in a wireless mobile communication system.
[0002]
[Prior art]
In recent years, in the mobile communication field represented by mobile phones and the like, a shift from an analog system to a digital system, that is, digitization is progressing from the viewpoint of effective use of the frequency.
[0003]
Even in a service of a wireless mobile communication system called for public service, a multi-channel access (MCA) method may be adopted in order to increase the use efficiency of radio waves. This is a system in which several frequencies are set in a base station, and when a mobile station within the management range wants to start operation, one of a plurality of free radio waves is selectively captured and communication is performed. .
[0004]
A wireless system for public business that is an example of a wireless mobile communication system will be described with reference to FIG. FIG. 1 is a block diagram showing a configuration of a public service radio system. In FIG. 1, 1110, 1120, and 1130 represent work areas for each office. The business area in this case is a “business activity area” in which a radio terminal belonging to the business office actually performs business using radio waves.
[0005]
Reference numerals 1111 and 1112 denote wireless terminals belonging to the work area 1110. Similarly, reference numerals 1121 and 1122 denote wireless terminals belonging to the work area 1120, and reference numeral 1311 denotes wireless terminals belonging to the work area 1130. is there. Hereinafter, for convenience, the wireless terminal is referred to as a mobile station.
[0006]
Next, 1150, 1160, and 1170 represent base stations. Generally, these base stations have a function of performing two-way communication with a mobile station using radio waves and managing radio waves that are limited resources. However, since the range in which the radio wave reaches is limited, for example, the base station 1150 has a service area 1151 in which the radio wave reaches. Similarly, the service areas of the base station 1160 are 1161 and 1170 are 1171. The service area in this case is called a base zone.
[0007]
Reference numeral 1190 denotes a control station of the wireless system, and each base station and the control station are connected by a wired line. The control station has a function of comprehensively managing these base stations, and the management range is called a control zone.
[0008]
When a radio system for public works is configured with a plurality of control zones, a configuration of the 1200 series is added as shown in FIG. In FIG. 1, reference numeral 1290 denotes a new control station of the public service radio system, and the configuration of base stations, mobile stations, and zones (control zone, base zone, and work area) in the management range is the same as that of the 1110s. As can be seen from FIG. 1, each control station is operated independently, and in order to economically construct a radio system for public business, it is usual not to provide an inter-control zone connection device for connecting the control stations.
[0009]
Next, a conventional mobile station location registration method in a public service radio system will be described. Since the mobile stations 1111, 1112, 1121, 1122, and 1311 are operated under the control of the control station 1190, system registration is performed in advance from the input / output device of the control station 1190. Similarly, mobile stations 1211, 1212, 1221, 1222, and 1231 under the control of the control station 1290 are registered in advance from the input / output device of the control station 1290. By this system registration, the control stations 1190 and 1290 know all the mobile stations in their own control zones.
[0010]
After the system registration is performed, when the mobile station is turned on, a location registration request (a request for transmitting information on which base zone the mobile station is in) is transmitted from the mobile station to the control station. Then, the control station confirms whether or not the mobile station that has transmitted the location registration request is registered in the system. For example, when the mobile station 1131 is turned on in the base zone 1171, the mobile station 1131 sends a location registration request to the control station 1190 via the control channel of the base station 1170. The control station 1190 confirms whether or not this location registration request is transmitted from a mobile station that has completed system registration. Since the mobile station 1131 is system-registered with the control station 1190, location registration is performed. (Location registration will be described in detail later.) If the call originates from a mobile station that has not been registered, the location registration request is not accepted.
[0011]
After the control station confirms that the location registration request has been transmitted from the mobile station that has completed system registration, the control station performs location registration (registration of which base zone the mobile station is in). For example, since the mobile station 1131 is a mobile station registered in the control station 1190 as a system, the mobile station 1131 performs location registration such that the location of the mobile station 1131 is the service area of the base station 1170, that is, the base zone 1171. This location registration makes it possible to smoothly call the mobile station 1131 when the mobile station 1131 receives an incoming call. As long as the mobile station 1131 shifts the base zone within the range of the control zone managed by the control station 1190, the location registration of the in-service base zone is performed every time the base zone is changed.
[0012]
When communication is performed using the public business radio system shown in FIG. 1, a communication command board that has jurisdiction over each business area is usually provided. In FIG. 1, reference numerals 1115, 1125, 1135, 1215, 1225, and 1235 represent communication command boards that control the business areas 1110, 1120, 1130, 1210, 1220, and 1230, respectively. The communication command board has functions such as communication control, emergency communication, and outgoing / incoming control of mobile stations in the business area registered in the system as described above. When a plurality of mobile stations including a communication command board perform communication at the same time, this is called group communication.
[0013]
When performing group communication, for example, the mobile station 1131 may go to support the business area of the control zone managed by the control station 1290 for business reasons. In this case, in order for the control station 1290 to accept the mobile station 1131, the control station 1190 needs to delete the system registration of the mobile station 1131 and the control station 1290 needs to perform the new system registration of the mobile station 1131 in advance.
[0014]
[Problems to be solved by the invention]
In the above-described conventional mobile station location registration method, when a mobile station shifts to a different control zone by going to support other business areas, the manager (control station operator) of the destination wireless mobile communication system However, the corresponding mobile station correspondence table for manually instructing the correspondence between the communication command board and the mobile station is manually input from the input / output device of the control station and associated.
[0015]
Although this method has a high degree of freedom, there is a disadvantage that the operator has to input the corresponding mobile station correspondence table from the input / output device of the control device, and this input is very time-consuming. In addition, due to this drawback, if the mobile station frequently goes between adjacent control zones by going out to support other business areas, the mobile station location registration cannot be changed quickly, which hinders service operation. Sometimes
[0016]
Therefore, an object of the present invention is to reduce the operational burden on the system administrator (control station operator) by using the number in the message autonomously issued when the mobile station moves to a different control zone. It is to provide a mobile station location registration method that is made possible.
[0017]
[Means for Solving the Problems]
In order to achieve the above object, the present invention assigns a group number to each work area so that the control station can register not only the location of the mobile station but also the group number of each work area. Further, when the mobile station moves to the control zone, the destination business area is obtained by using the number in the message autonomously issued, that is, by assigning the group number of the destination business area to the number in the message. The location registration request with the group number added is transmitted to the control station. Then, the control station collates whether or not the transmitted group number is a registered group number, and performs location registration when they match.
[0018]
That is, in the mobile station location registration method according to the present invention, the group number that is not led by the system administrator (control station operator) is led by the mobile station and matches the group number that represents the business area managed by the communication command board. Only the mobile station set to “1” performs processing that falls under the control of the communication command base.
[0019]
More specifically, paying attention to the “location registration request message” used as control information between the base station and the mobile station in the wireless system, when the mobile station turns on the power and enters a new control zone, By transmitting a “location registration request message” with a “number”, system registration can be performed without going through a system administrator (control station operator).
[0020]
As a result, when there is a wireless mobile communication system with multiple independent control zones, and mobile stations belonging to each control zone communicate with each other by going back and forth between control zones for support operations, etc. Thus, the mobile station can quickly enter the control of the communication command base intended by the mobile station, and the manual registration work by the system administrator (the control station operator) that had to be performed in advance can be saved.
[0021]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, a mobile station location registration method in a wireless mobile communication system according to an embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a block diagram showing a configuration of a public service radio system. FIG. 2 is a diagram showing the contents of “location registration request 1 message”, FIG. 3 is a diagram showing “setting group number information element”, FIG. 4 is a diagram showing an example of setting group number, and FIG. It is a flowchart which shows the mobile station location registration method which is an Example.
[0022]
In general, when performing communication, there is a communication protocol as a promise for smoothly proceeding. This is an arrangement of the format and procedure of signals transmitted and received with each other at the start and end of communication and transfer of individual information.
[0023]
A mobile station that performs group communication in the wireless mobile communication system having the configuration shown in FIG. 1 first sends a “location registration request 1 message” shown in FIG. 2 to the base station as a communication protocol when power is turned on. Details of this message will be described.
[0024]
The “location registration request 1 message” is sent from the mobile station to the base station to request a new location registration when the mobile station changes location registration by moving to a different control zone and when the power is turned on. Is.
[0025]
In this message, “setting group number” which is one of information elements constituting “location registration request 1 message” will be described. The set group number is a group number added at the time of changing the group number setting, when transferring to a different control zone, and at the time of position registration accompanying power-on, and the configuration is as shown in FIG. 3 in binary display.
[0026]
In FIG. 3, a set group number configured to identify the affiliation or type of the mobile station is stored after octet 3. An example of the set group number is shown in FIG. In FIG. 4, the two digits 401 to 402 are the company identification number, the two digits 403 to 404 are the upper establishment identification number, the two digits 405 to 406 are the lower establishment identification number, and the four digits 407 to 410. Represents the group number in decimal notation.
[0027]
A group number is assigned to each business area, and is uniquely fixed by a control station connected to a communication command board having jurisdiction over the business area. Therefore, the group number managed by the control station is inevitably determined by the installation location, and can be pre-registered from the input / output device of the control station. The present invention utilizes this pre-registered group number verification.
[0028]
Since the group number corresponds to the work of the mobile station, if the work area changes due to relocation to a different control zone, such as when the mobile station goes to support, change the setting to the group number of the relocation destination at the relocation destination It is necessary to do. That is, it is necessary to change the setting of the correspondence between the communication command table of the support destination and the mobile station managed by the communication command table to a number that matches the upper and lower business establishment identification numbers.
[0029]
The mobile station location registration method of this embodiment will be described below with reference to FIG. When the mobile station has moved to a different control zone, or has returned from a different control zone to the control zone that it was in before the move (when transferred), set the group number of the transfer destination work area, and set this group number This is added to the “location registration request 1 message” and transmitted to the control station. Also, when the power of the mobile station is turned on, the group number of the business area where the mobile station is located is added to the “location registration request 1 message” and transmitted to the control station. The control station identifies the information of “location registration request 1 message” transmitted from the mobile station.
[0030]
The identification of “location registration request 1 message” will be described. Registration verification of individual subscriber numbers is performed using the registration numbers shown in FIG. That is, it is verified whether or not the mobile station that has transmitted the “location registration request 1 message” is registered in the system. When the mobile station is registered in the system, the group number is updated and the location of the mobile station is further registered. And a mobile station call becomes possible.
[0031]
When the individual subscriber number is not a number handled by the control station, that is, when the mobile station is not registered in the system, the group number set by the mobile station is checked to see if it is a group number handled by the control station. . When the group number set by the mobile station is not the group number handled by the control station, the “location registration request 1 message” is rejected as being erroneously set, and the location registration of the mobile station is not performed. At this time, a call between mobile stations becomes impossible.
[0032]
When the group number set by the mobile station is a group number handled by the control station, it is checked whether or not the individual subscriber number of the mobile station is a number that the control station refuses to register. (Regarding mobile stations experiencing accidents such as theft, the system administrator (control station operator) must register as a registration-rejected mobile station from the input / output device of the control station in order to reject its use. The system registration cannot be performed by the mobile station having the individual subscriber number whose registration is rejected by the control station, and the "location registration request 1 message" is rejected as being erroneously set. Location registration is not performed. At this time, a call between mobile stations becomes impossible.
[0033]
When the mobile station has an individual subscriber number that is not rejected by the control station, system registration of the mobile station is performed (registration processing is executed in the system), and the group number is updated. Then, the location registration of the mobile station is executed. After the location registration, the individual subscriber number (individual number) registered data is transferred to the communication command board, and the inter-mobile station call becomes possible.
[0034]
The mobile station that has been confirmed with the above verification / authentication is determined to be system-registerable with the control station, and data including the registration number, individual call number, set group number, and in-zone base zone is registered in the system.
[0035]
As system registration data, the registration number, individual call code, and setting group number of the mobile station are information based on the “location registration request 1 message” except for the base station zone, but various special services are provided to the mobile station. When assigning a service class that indicates permission, the system administrator (control station operator) can register additional service classes in the registration data storage area of the control station using the control station input / output device. It is.
[0036]
The mobile station registered in the system falls under the control of the communication command board that should have jurisdiction over the business area of the upper / lower office identification number. For example, the wireless system for public business shown in FIG. 1 is managed by the same company, and the upper and lower business office identification numbers representing the business area 1210 are XXYY, and the upper and lower business office identification numbers representing the business area 1220 are XXZZ. For example, when the mobile station 1131 sets the upper / lower office identification number in the group number to XXYY and goes out to support the work area of the control zone managed by the control station 1290, the mobile station 1131 Under 1215 control.
[0037]
【The invention's effect】
According to the present invention, there is no need to input the jurisdiction mobile station correspondence table from the input / output device of the control station, and even if the mobile station enters and exits due to business support etc., the mobile station can change the group number by changing the group number. Stations can be easily transitioned between different control zones. Therefore, it is possible to provide a mobile station location registration method capable of reducing the operational burden on the system administrator (control station operator).
[Brief description of the drawings]
FIG. 1 is a block diagram showing the configuration of a public service radio system as an example of a radio communication system. FIG. 2 shows the contents of a “location registration request 1 message” transmitted from a mobile station to a control station. FIG. 4 is a diagram showing an example of a set group number information element that is a component of “location registration request 1 message”. FIG. 5 is a diagram showing an example of a set group number. FIG. Flow chart showing registration method [Explanation of symbols]
1110, 1120, 1130: work area 1111, 1112, 1121, 1122, 1131: mobile stations 1115, 1125, 1135: communication command tables 1150, 1160, 1170: base stations 1151, 1161, 1171: base zone 1190: control station 1210 1220, 1230: work areas 1211, 1212, 1221, 1222, 1231: mobile stations 1215, 1225, 1235: communication command boards 1250, 1260, 1270: base stations 1251, 1261, 1271: base zone 1290: control station 401, 402: Company identification number 403, 404: Upper establishment identification number 405, 406: Lower establishment identification number 407, 408, 409, 410: Group number

Claims (3)

A plurality of mobile stations, a plurality of communication command bases having a predetermined business area and controlling the mobile stations in the business area, and a control station having a predetermined control zone and connected to the communication command base In a mobile station location registration method for a wireless mobile communication system, wherein a plurality of wireless systems each independently exist,
A group number is assigned to each business area, the control station registers the group number of each business area under its jurisdiction, and when the mobile station moves to a different control zone, the location registration request to which the group number of the business area of the transfer destination is added is It is transferred to a control station having jurisdiction over the business area, and when the control station determines that the group number added to the location registration request is registered, the location registration of the mobile station is performed. Mobile station location registration method. A plurality of mobile stations, a plurality of communication command bases having a predetermined business area and controlling the mobile stations in the business area, and a control station having a predetermined control zone and connected to the communication command base In a wireless mobile communication system in which there are a plurality of independent wireless systems,
A group number is set for each business area, and each of the control stations includes storage means for registering the group number of each business area under its jurisdiction.
When any mobile station of the plurality of mobile stations moves to a different control zone, the mobile station registers the location registration request to which the group number of the business area is added by the control station that has received the location registration request of the mobile station. A transfer means for transferring to a control station having jurisdiction over the assigned business area,
The control station that has received the transferred location registration request has collation means for collating the group number added to the location registration request with the group number registered in the storage means,
A radio mobile communication system comprising permission means for permitting position registration of the mobile station when the group number added to the position registration request by the collation is registered in the storage means . The wireless mobile communication system according to claim 2, wherein
The comparison means, the against the transferred location registration request group number received control station is registered to the group number assigned to the location registration request in the storage means, when registered, further A determination means for determining whether or not the unique registration number of the mobile station is a registration refusal number;
The authorization means, a wireless mobile communication system comprising a TURMERIC line authorization location registration of the mobile station when a specific registration number of the mobile station is determined not to be registered rejected by the determination unit.

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