JP3264306B2 - Position information notification method and device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for notifying location information used when a private communication system manages the location of a private wireless terminal using a location management function of a public PHS network.

[0002]

2. Description of the Related Art A private communication network is a communication network provided for communication within a specific range, and specific examples include an extension telephone in a facility. The local area communication network may be provided with a wireless base station that covers a predetermined wireless area, so that wireless terminals in the wireless area can communicate via the wireless base station. It has become.

[0003] In this case, the private communication system that manages the private communication network uses various means to manage the position of the radio terminal as needed. As a specific example, the wireless terminal transmits a position registration request signal requesting position registration at regular time intervals. Then, when a certain radio base station receives the location registration request signal, the private communication system,
The position of the wireless terminal is specified from the wireless base station that has received the position registration request signal and stored. Apart from such a private communication network, there is also a public communication network (hereinafter, referred to as a public PHS network) that provides a general PHS (Personal Handy Phone System).

[0004]

By the way, if the private wireless terminal can communicate not only through the private communication network but also through the public PHS network, the private communication network owner and the public PHS network can be used. Operators can provide telecommunication services over a wider area without making new capital investments.
However, the conventional private communication system has no technology for managing the position and the movement state of the private wireless terminals existing in the public PHS network.

[0005] For this reason, the local wireless terminal is temporarily connected to the public PH.
Once in the S network, the private communication system could not manage the location of the private wireless terminal. Therefore, the local communication system has not been able to permit the user of the local wireless terminal to perform communication using the public PHS network. The present invention has been made under such a background, and provides a position information notification method and apparatus that enables a local communication network owner to grasp the position of a local wireless terminal existing in a public PHS network. The purpose is to:

[0006]

According to the first aspect of the present invention,
Position information indicating the position of the local wireless terminal in the public network, when the public network notifies the local communication network, in advance, received the position information registration request from the local wireless terminal At the time, the location information is registered in the registration means, and when a notification request of the location information is received from the local communication network, based on contract information on the local communication network stored in advance, It is determined whether or not the local communication network is a target of the position information notification, and based on authentication information for authenticating the validity of the local communication network stored in advance, the local communication network is Authenticates the validity, and determines whether or not the local wireless terminal is a target of position information notification based on contract information on the local wireless terminal stored in advance, and the local communication network Is determined to be the subject of location information notification And, when the legitimacy of the private network is authenticated, and it is determined that the private wireless terminal is a target of the location information notification, the private network is registered in advance with the private network. It is characterized in that the location information of the private wireless terminal is notified.

According to a second aspect of the present invention, in the case where the public network notifies location information indicating the location of the private wireless terminal in the public network to the private communication network, the location information registration request is issued. A location registration request receiving unit that receives the location information from the local wireless terminal, a location information storage unit that stores the location information, and the location information request receiving unit that receives the location information registration request. A location information registering means for registering the location information in a means, a location notification request receiving means for receiving the location information notification request from the private communication network, and a communication network contract which is a contract for the private communication network. Storage means for storing information, authentication information for authenticating the validity of the private communication network, and information on a terminal contract that is a contract for the private wireless terminal; When the stage receives the position information notification request, it determines whether or not the local communication network is a target of the position information notification based on the communication network contract, and based on the authentication information, Authenticate the legitimacy of the private network,
Determining means for determining whether or not the local wireless terminal is to be notified of location information based on the terminal contract; and determining that the local communication network is to be notified of location information by the determining means. And, and authenticates the legitimacy of the private communication network, and, when it is determined that the private wireless terminal is the target of the location information notification, the private wireless terminal of the private communication network with respect to the private communication network A position information notifying unit for notifying the position information.

[0008]

According to the above arrangement, after receiving the request for notification of the position information of the local wireless terminal from the local communication network, it is determined that the local communication network is a target of the position information notification, and the local communication is performed. If the legitimacy of the network is verified and the local wireless terminal is determined to be a target of the position information notification, the local wireless terminal is notified of the local wireless terminal position information. Thus, the local communication network can manage the position information and the movement history of the local wireless terminal existing in the public network, similarly to the case where the local wireless terminal exists in the local communication network.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing a configuration of a position information notification device according to an embodiment of the present invention and a communication network in which the position information notification device is used. The local wireless terminal (hereinafter, referred to as PS) 1 is a wireless terminal used in a local communication network, and transmits the above-described location registration request signal at regular time intervals. Although only one PS · 1 is shown in FIG. 1, a large number of PS · 1s are actually used.
There is one.

The radio base station 2 receives a radio signal transmitted by PS-1 and transmits a radio signal to PS-1. Although only one wireless base station 2 is shown in FIG. 1, a large number of wireless base stations actually exist under the exchange 11. Then, PS · 1 is any radio base station 2
When communication is performed via the wireless base station 2, the PS.1
Is uniquely determined.

The local communication system 3 is a central unit for managing the local communication network. The private communication system 3 is shown in FIG.
Although only one is shown, there are actually a number of private communication systems 3, each of which has a unique identification number (hereinafter referred to as a private communication system number).

The exchange 12 comprises a signaling device 4, a control unit 5, and a line information table 6, and confirms a contract for a location information providing system and authenticates the validity of the contract with a private communication network. The signaling device 4 is an interface unit on the exchange 12 side that transmits and receives signals between the private communication system 3 and the exchange 12. The control unit 5 controls each unit of the exchange 12 as a central part of the exchange 12.

The line information table 6 is a storage device for storing various contracts relating to the private communication network. The contract includes a contract for providing position information (hereinafter, referred to as a position information providing system contract). The local system authentication information table 7 is a storage device that stores authentication information used by the control unit 5 to authenticate the validity of the local communication system 3.

The position information management device 13 comprises a control unit 8, a contract information table 9 and a position information table 10, and registers position information and confirms a position information providing PS contract for each PS-1. The control unit 8 is a central part of the position information management device 13,
Control each part. The contract information table 9 is a storage device that stores various contracts relating to PS-1. The contract includes a contract for providing position information (hereinafter, referred to as a position information provision PS contract).

The position information table 10 is a storage device for storing position information relating to PS · 1. The exchange 11
In FIG. 1, only one wireless base station 2 is connected, but in reality a large number of wireless base stations are connected, and an arbitrary wireless base station is selected from the large number of wireless base stations.
A signal is transmitted between the wireless base station and the location management information device 13.

Next, the operation of the position information notifying apparatus according to the present embodiment will be described with reference to the flowchart shown in FIG. PS · 1 transmits the above-mentioned position registration request signal at regular time intervals. Upon receiving the location registration request signal, the wireless base station 2 notifies the exchange 11 of the fact. The exchange 11 checks the legitimacy of the PS-1 (whether or not the terminal has been registered through a valid procedure) and the call contract (whether the PS-1 can use the public PHS network). Then, if the above condition is satisfied, the exchange 11 determines the position information of PS · 1. Specifically, when the location registration request signal from PS · 1 is transferred via wireless base station 2, switching device 11
1 is a wireless base station 2 among a large number of wireless base stations.
Is determined to be in the vicinity of. After that, the exchange 11
The position information is sent to the control unit 8.

The control unit 8 receives the position information of PS · 1 from the exchange 11 (step SA1 in FIG. 2). Then, the process proceeds to Step SA2. In step SA2, the control unit 8 registers the position information of PS · 1 in the position information table 10. Next, in step SA3, the control unit 8 confirms that the registration of the position information of PS · 1 has been completed, and, via the exchange 11 and the wireless base station 2, the PS · 1.
To the user that the registration of the location information has been completed. This completes the registration of the position information for PS · 1.

Next, the private communication system 3 is connected to the PS-1
The position information notification request and the local communication system number are transmitted to the public network (step S in FIG. 3).
B1), the signaling device 4 receives the notification request and the local system number and outputs it to the control unit 5. The control unit 5 checks the line information table 6 with the private network and the public PH.
Requests information on a contract for providing location information (location information providing system contract) concluded with the S network. The line information table 6 sends the position information providing system contract for the local communication network to the control unit 5 (Step S).
B2).

Next, in step SB3, the control unit 5
Based on the returned location information providing system contract, it is determined whether or not notification of location information is possible. If the result of this determination is "NO", the flow proceeds to step SB4. In step SB4, the control unit 5 sends, via the signaling device 4, to the local system communication system 3 that no provision has been made with respect to the provision of the location information, indicating that the provision of the location information is impossible. .

On the other hand, if the result of the determination in step SB3 is "YE
If "S", the process proceeds to Step SB5. Step SB
5, the control unit 5 sets the local system authentication information table 7
, The authentication information for authenticating the validity of the private communication system 3 is read. Specifically, in this embodiment, it is assumed that each private communication system stores a unique random number table in a built-in memory. Further, it is assumed that the local system authentication information table 7 stores in advance a random number table that is the same as the random number table stored in each local communication system, corresponding to each local communication system. And the control unit 5
Reads the same random number table as the authentication information of the local communication system 3 to be authenticated from the local system authentication information table 7 as the authentication information.

Next, in step SB6, the control unit 5
Authentication of the private communication system 3 is performed. Specifically, in the present embodiment, the control unit 5 sends an arbitrary numerical value to the private communication system 3 via the signal device 4. Further, the control unit 5 substitutes the same numerical value as that transmitted to the local system communication system 3 into the random number table read from the local system authentication information table 7. The private communication system 3 substitutes the numerical value received from the control unit 5 into a random number table stored in the internal memory of the private communication system 3 and returns the output value to the control unit 5.

Next, in step SB7, the control unit 5
The output value of the random number table of the private communication system 3 is received via the signal device 4, and the process proceeds to Step SB8. Step SB
At 8, the control unit 5 compares the output value of the random number table of the local system communication system 3 with the output value of the random number table read from the local system authentication information table 7. If the above two values are different, "authentication NG" is set, and the process proceeds to step SB9.

In step SB9, the control unit 5 cannot provide location information to the local communication system 3 via the signaling device 4 because the authentication of the local communication system 3 was not successful. Is sent. On the other hand, when the above two values are the same in step SB8,
"Authentication OK" is set, and the process proceeds to Step SB10. In step SB10, the control unit 5 requests the control unit 8 of the position information management device 13 for the position information of PS · 1.

Next, in step SC 1 shown in FIG. 4, the control unit 8 receives a request for the position information of PS · 1 from the control unit 5 of the exchange 12. Then, in step SC2, the control unit 8 checks the contract information table 9 for each PS
Request a contract for providing position information (hereinafter referred to as a position information provision PS contract) concluded for 1. As a result, the contract information table 9 sends out the position information providing PS contract of the PS · 1 to the control unit 8.

Next, in step SC3, the control unit 8
Based on the returned location information providing PS contract, it is determined whether or not location information can be notified. If the result of this determination is "NO", the flow proceeds to step SC4. In step SC4, the control unit 8 sends a message to the exchange 12 indicating that the provision of the location information is not possible because no contract has been made with respect to the provision of the location information.

On the other hand, if the result of the judgment in step SC3 is "YE
In the case of "S", the process proceeds to step SC5. Step SC
In 5, the control unit 8 determines from the position information table 10 that the PS
-Acquire the position information of 1 and proceed to step SC6. In step SC6, the control unit 8 sends the position information of PS · 1 to the control unit 5 of the exchange 12. Then, the control unit 5 notifies the local communication system 3 of the position information of the PS 1 via the signal device 4, and the position information notification processing ends.

Although the embodiment of the present invention has been described in detail with reference to the drawings, the specific configuration is not limited to this embodiment, and changes in design and the like can be made without departing from the gist of the present invention. Even if there is, it is included in the present invention.

[0028]

As described above, according to the present invention, after receiving a notification request of the position information of the local wireless terminal from the local communication network, it is determined that the local communication network is a target of the position information notification. It is determined, and the validity of the private communication network is authenticated, and if it is determined that the private wireless terminal is the target of the location information notification, the private wireless terminal of the private wireless network with respect to the private communication network Notify location information. As a result, the local communication network can store the position information and the movement history of the local wireless terminal existing in the public network in the same manner as in the local communication network.
Can be managed. As a result, the private network can permit the user of the private wireless terminal to perform communication using the public network.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration of a position information notification device according to an embodiment of the present invention.

FIG. 2 is a flowchart illustrating a procedure of a position information notification method according to the embodiment.

FIG. 3 is a flowchart showing a procedure of a position information notification method according to the embodiment.

FIG. 4 is a flowchart showing a procedure of a position information notification method according to the embodiment.

[Explanation of symbols]

1 ... indoor wireless terminal 2 ... wireless base station 3 ...
Local communication system, 4 ... Signal device, 5, 8 ... Control unit, 6 ... Line information table, 7 ... Local system authentication information table, 9 ... Contract information table, 10 ...
... Position information table, 11,12 ... Exchange, 13 ...
… Location information management device

──────────────────────────────────────────────────続 き Continuation of front page (72) Inventor Shinya Ayukawa 1-6, Uchisaiwaicho, Chiyoda-ku, Tokyo Nippon Telegraph and Telephone Corporation (56) References JP-A-6-216843 (JP, A) (58) Field surveyed (Int.Cl. ⁷ , DB name) H04B ^7/ 24-7/26 113 H04Q ^7/ 00-7/38

Claims (2)

(57) [Claims] When the public network notifies a local communication network of position information indicating a position of a local wireless terminal in a public network, the local wireless terminal transmits the position information of the local wireless terminal in advance. When the registration request is received, the location information is registered in the registration means, and when the location information notification request is received from the local communication network, the contract for the local communication network stored in advance is received. Based on the information, it is determined whether or not the local communication network is a target of the position information notification, and based on authentication information for authenticating the validity of the local communication network stored in advance, Authenticating the legitimacy of the private wireless network, and determining whether or not the private wireless terminal is a target of location information notification based on contract information on the private wireless terminal stored in advance, Local communication network is subject to location information notification Is determined, and, the validity of the private network is authenticated, and, if it is determined that the private wireless terminal is the target of the location information notification, for the private network, A location information notification method, comprising: notifying the location information of the local wireless terminal registered in advance. 2. When the public network notifies the private communication network of position information indicating the position of a private wireless terminal in a public network, the location information registration request is sent to the private wireless terminal. Position registration request receiving means for receiving from a terminal, position information storage means for storing the position information, and when the position registration request receiving means receives the position information registration request, the position information is stored in the position information storage means. Position information registering means for registering; position notification request receiving means for receiving the position information notification request from the local communication network; information on a communication network contract that is a contract regarding the local communication network; Storage means for storing authentication information for authenticating the legitimacy of a communication network, and information on a terminal contract which is a contract for the local wireless terminal; and When the notification request is received, it is determined whether or not the local communication network is a target of the location information notification based on the communication network contract, and based on the authentication information, Judging means for authenticating the validity and judging whether or not the local wireless terminal is a target of position information notification based on the terminal contract; and When the local wireless terminal determines that the local wireless terminal is a target of the position information notification, and authenticates the legitimacy of the local wireless network, A position information notifying unit for notifying the position information of the local wireless terminal.