KR20050104139A - System and method for providing presence service in the private wireless communication network - Google Patents

Abstract

The present invention provides a plurality of public network base stations in which a plurality of mobile terminals are connected to at least one mobile switching center, a plurality of public network base station control stations connected to each of the mobile switching stations, and a plurality of public network base stations connected to each of the base station control stations. The communication service is provided through a public mobile communication network, and when one of the plurality of mobile terminals enters a service area of a predetermined premises wireless communication network connected to the public mobile communication network, the mobile communication network is provided from the premises wireless communication network. A mobile communication system provided with a communication service, the presence service providing system in the premises wireless communication network, a plurality of mobile terminals subscribed to a specific group from a plurality of mobile terminals receiving communication service from the premises wireless communication network Group information and service status information And a group service system for storing and transmitting the information of the mobile terminals belonging to the corresponding group to the mobile terminals.

Description

SYSTEM AND METHOD FOR PROVIDING PRESENCE SERVICE IN THE PRIVATE WIRELESS COMMUNICATION NETWORK}

The present invention relates to a system and method for providing a presence service in an on-premises wireless communication network. More particularly, the present invention relates to a system and method for providing a presence service on an on-premises wireless communication network that provides group services according to the presence or absence of network access by members registered in a predetermined group. It is about.

In general, Push to talk (PTT) is the main function of a radio that allows one-to-one or one-to-many users to communicate by pressing a button. The service such as PTT is a wireless communication service that is widely used by some specific regions or groups under the name of frequency common communication.

According to the development of communication technology, the PTT service is being expanded by connecting subscribers of general mobile communication networks (eg, CDMA / GSM) and networks such as PSTN (Public Switched Telephone Network) to the Internet or packet networks. It is true.

However, as described above, a service such as a conventional frequency common communication requires a dedicated terminal, and there is a problem in that a service is available only by subscribing to a specific service provider. In addition, in order to receive a PTT service in which subscribers of a PSTN network or a PLMN (Public Land Mobile Network) network are integrated and provided in a packet network, it is difficult to provide the same service scenario for the different terminal characteristics. have.

Meanwhile, recently, messenger services provided through the Internet (for example, MSN messenger of Microsoft company) are implemented to set their terminal state on / offline on the Internet so that they can be set at any time. Enable data communication with groups. Such a service is generally referred to as a presence service (or a presence service). In addition, the presence service may be provided through a data service in a mobile communication terminal.

However, the above two types of services (that is, PTT service and presence service) are each developed as separate services, and there is a problem that the utilization of the service is greatly reduced due to the change of the terminal or the expensive data usage fee.

Accordingly, an aspect of the present invention is to provide a system and method for providing a presence service in an on-premises wireless communication network that improves overall mobile communication network utilization by providing a PTT service linked to a presence service by a mobile communication subscriber residing in a specific region. In providing.

In addition, a technical problem to be achieved by the present invention is a system for providing presence service in a wireless communication network in the premises to combine the PTT service and presence service using a voice service and a text message service provided by a general public mobile communication network or on-premises wireless communication network And providing a method.

In addition, the technical problem to be achieved by the present invention is to provide a presence service in the on-premises wireless communication network to be able to process the group text message service and one-way group call service through the presence service in the system without changing the design of the existing terminal in a specific region. A system and method are provided.

The system of the present invention for achieving the above object; The plurality of mobile terminals comprises at least one mobile switching center, a plurality of public network base station control stations connected to each of the mobile switching stations, and a plurality of public network base stations connected to each of the base station control stations to form a public dedicated cell area. Communication service is provided through a public mobile communication network, and when a mobile terminal of one of the plurality of mobile terminals enters a service area of a predetermined premises wireless communication network connected to the public mobile communication network, the communication service is provided from the premises wireless communication network. In the provided mobile communication system, Presence service providing system in the premises wireless communication network, Group information of a plurality of mobile terminals subscribed to a specific group from a plurality of mobile terminals receiving communication service from the premises wireless communication network and Store service status information; And a group service system for transmitting the information of the mobile terminals belonging to the group to the respective mobile terminals.

The method of the present invention for achieving the above object; The plurality of mobile terminals comprises at least one mobile switching center, a plurality of public network base station control stations connected to each of the mobile switching stations, and a plurality of public network base stations connected to each of the base station control stations to form a public dedicated cell area. Communication service is provided through a public mobile communication network, and when a mobile terminal of one of the plurality of mobile terminals enters a service area of a predetermined premises wireless communication network connected to the public mobile communication network, the communication service is provided from the premises wireless communication network. In the provided mobile communication system, Presence service providing method in the premises wireless communication network, Group information of a plurality of mobile terminals subscribed to a specific group from a plurality of mobile terminals receiving communication service from the premises wireless communication network and Storing service state information; And transmitting the information of the stored mobile terminals within the corresponding group to the respective mobile terminals.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in detail. However, the preferred embodiments of the present invention described below are not intended to limit the technical scope of the present invention, but are intended to more clearly and easily describe the present invention to those skilled in the art. Like reference numerals in the drawings refer to like elements.

The present invention provides a link service and a PTT service in a mobile communication system, and uses a voice service and a text message service in the mobile communication system.

In the case of a general presence service, an online state is provided as an indication that access to a huge communication network such as the Internet is possible, but the presence service in a mobile communication system as in the present invention is a specific region, that is, a service. This means that the service subscriber roams in the provision zone.

Meanwhile, whether to roam into the specific area, that is, the service providing area may be known from the location change information of the mobile terminal. In general, the mobile terminal periodically transmits a location registration message to the mobile communication system when the location is changed. Accordingly, it is possible to determine whether to roam into the specific area based on the location registration message, and to roam to another area from the specific area.

In the present invention, the specific area refers to an area in which a service can be provided through an on-premises wireless communication network instead of a public mobile communication network, and the on-premises wireless communication network is also commonly referred to as a 'private mobile communication network'. In this case, the service area of the premises wireless communication network may overlap with the service area of the public mobile communication network, and the subscribers of the premises wireless communication network may be selectively serviced from the two service networks through a preset dialing. In addition, it is possible to preferentially receive the service through the wireless communication network in the premises.

In the presence service according to the present invention, when a terminal of a specific group subscribed to a specific area roams into the area, information of group members roaming in the area through a predetermined text message (or message information). It can be delivered to the terminal. In addition, the text message may be simultaneously delivered to group members (ie, members) roaming in the corresponding service area. In addition, even when the state of the terminal in the corresponding area is changed to the power off (Power Off) by transmitting a text message to all the group members roaming in the service area, so that the status of the group member can be easily identified can do.

On the other hand, when delivering a text message in the presence service as described above, according to the present invention, a call back number (Call Back Number) is delivered together in the message, the service area of group members through the text message that is frequently identified through this I can figure out roaming to the inside. In addition, the present invention can provide a group call service in a corresponding area, such as a group text service and a PTT service, which can simultaneously send a text message (eg, a Short Message Service (SMS) message) to group members in the service area. . Accordingly, in the case of a service in the service area, various services may be provided according to the presence or absence of group members in the area. In addition, it can be usefully used for students, staff, workplaces and factory areas that spend most of their time in a particular area.

When the present invention is applied to a packet-based on-premises wireless communication network system (i.e., on-premises packet network) system, providing a presence service and a group SMS / call service in a wireless office system (hereinafter referred to as "WOS"). This requires some databases to manage group members.

However, the group management can be easily implemented since the subscriber system is managed inside the system for the management of the corporate (and subscribers to the WOS system) subscriber in the existing system. In addition, since there is a database and a processing module provided for the existing number translation, it is possible to determine whether to call a group or a group text message (ie, group SMS) by dividing the service type by a predetermined function code. Functions can also be easily added.

On the other hand, in the group text message service, when it is determined as a group text message according to a number translation result, unpacking / packing of a message (for example, IS-647) for delivering a message received from a terminal to local members. (Unpacking / Packing) function should be provided additionally. In addition, in order to provide a one-way group call, copy the traffic transmitted to the destination terminal from the SDU (Selection & Distribution Unit) module, which was responsible for the traffic of the existing terminal, to several members. You need to make sure that the function you add is added. On the other hand, the control of the above-described processes can be implemented to be performed in a call agent (hereinafter referred to as "CA") to be described later.

Hereinafter, with reference to the accompanying drawings will be described in more detail the method according to the present invention.

First, the concept of a service according to the present invention will be described with reference to FIGS. 1 to 3.

1 is a diagram illustrating a presence service concept when a terminal of a group member roams into a group service area according to the present invention.

Referring to FIG. 1, a predetermined mobile communication terminal 110 receives a presence service according to the present invention when entering the service area 150 from the non-service area 160. Here, the service area 150 means an area where a predetermined mobile communication terminal can receive a group service by the group service network 140 according to the present invention, and the non-service area 160 refers to the group service network. By the 140, a group service is not received, and means an area where only a service by a general public network mobile communication network is available. Typically, the service area 150 may be designed as a place of a company, a building, a factory, or the like. In addition, as described above, the service area 150 refers to a service area for providing an on-premises wireless communication service by using an on-premises wireless communication network (or a private mobile communication network).

In FIG. 1, the first mobile terminal 110 enters the service area 150 from the non-service area 160, and the second mobile terminal 120 and the third mobile terminal 130 are already in the service area. Is located. Although not shown, the fourth mobile terminal and the fifth mobile terminal are in a power off state.

When the group members registered as described above (that is, the first to fifth mobile terminals) roam to a specific area (that is, the service area 150), or the terminal is powered off within the specific area. In the case of moving to another area from the service area or by transmitting the information in a text message to the group members roaming to the service area according to the present invention, it is possible to determine whether the group members in the same group exist in the service area. Make sure

That is, the service system 100 that provides the presence service determines whether each group member exists within the service area when the status information of the group member occurs (or periodically). Provide information to them. In this case, as described above, information such as the presence or absence of the group members in the service area may be transmitted in a text message. Alternatively, the information may be transmitted using a predetermined code, stored in each mobile terminal, and requested by the user. It may be implemented to be displayed in a time-specific format (eg, a GUI environment).

On the other hand, when the mobile communication terminal moves to change the location it is determined by the system in the service area through the location registration message delivered to the system. A more specific implementation method regarding location registration will be described later.

1 illustrates a case in which the first mobile terminal 110 roams into a service area, wherein the roaming second mobile terminal 120 and the third mobile terminal 130 and the newly roaming first mobile terminal are rotated. The terminal 110 transmits information on all group members roaming in the current service area.

The service system 100 receives location information of each group member for implementation of the present invention, and generates and transmits a message for updating location information to the corresponding group member. The transmitted message includes a group ID (* XXXX) and status information (ON or OFF information) of each group member as shown in FIG. 1, and includes a function code (FC) and a group ID as callback numbers. .

The service system 100 interprets a received number received from a predetermined group member to determine whether or not it is a presence service request, and provides a corresponding service according to the interpreted number.

2 is a diagram illustrating a case in which a terminal of a group member leaves the above-described service area 150 or is turned off in the service area.

Referring to FIG. 2, a predetermined mobile communication terminal is provided with the presence service according to the present invention when it moves out of the service area 150 to the non-service area 150. For example, when the first mobile terminal 210 leaves the service area 150, the mobile communication system transmits a location registration message or a home location register transmitted by the first mobile terminal 210. Through the predetermined message (for example, location registration cancellation message) transmitted from the HLR ', it is determined whether the terminal moves.

In addition, when the power is turned off, such as the third mobile terminal 230 in the service area 150, the third mobile terminal 230 transmits whether the power is off to the service system 100, The service system 100 that grasps the state transmits the state to other group members in the service area. That is, in FIG. 2, the state of the first mobile terminal 210 leaving the service area 150 and the third mobile terminal 230 transitioned to the power-off state in the service system 100 are currently supplied within the service area. The other group members who are in the on state (ie, the second mobile terminal 220 and the fourth mobile terminal 240) transmit the state information of each terminal in the form of a text message, for example.

Meanwhile, the presence service according to the present invention includes continuously receiving roaming information in a service area for a group member and providing a text message or the like to group members who are currently powered on in the service area.

3 is a diagram illustrating a concept of group text message transmission using a presence service in a premises wireless communication network according to the present invention.

The group text message transmission service is implemented based on the presence service described above, and is implemented by continuously updating roaming information in a service area for group members.

That is, the group text message may be transmitted to the group members who are in a power-on state in the service area by using the information of the group members provided through the presence service described with reference to FIGS. 1 and 2. In order to implement this, if the FC (function code) + group ID in the callback number (CallBackNumber) provided by the presence service is set as the called party number when the text message is transmitted, all other services in the service area are on. The same text message can be sent to group members. In addition, all group members who are in the on-state within the service area may transmit text messages to other group members in the same manner.

Referring to FIG. 3, a first mobile terminal 310 to transmit a text message to group members roaming in the service area 150 (eg, the second mobile terminal 320 and the fourth mobile terminal 340). Sends a text message to the service system using the callback number notified by the previous presence service as the called number (for example, input the FC + group ID as the called number).

Meanwhile, the service system 100 analyzes a feature code (FC) and a group ID transmitted from the first mobile terminal 310 and roams group members (ie, roaming in a service area having the same group ID). The second mobile terminal 320 and the fourth mobile terminal 340 transmit the same text message. Accordingly, the same text message is transmitted to the roaming group members in the service area 150. In this case, the text message is not transmitted to the third mobile terminal 330 in the service area 150 but the power is turned off and to a fifth mobile terminal (not shown) that does not exist in the service area 150. desirable. Meanwhile, according to an implementation method, the text message may be transmitted to the third mobile terminal 330 in the service area 150 but the power is turned off, and the fifth mobile terminal (not shown) not present in the service area 150. Obviously, it can be implemented to be sent after being temporarily stored.

In addition to the group text message transmission method, a one-way group call may be implemented according to the present invention using the above-described presence service. That is, according to the present invention, the one-way group call function can be provided in the same manner as the group text message transmission service based on the service area. For example, information about the group members roaming in the service area is notified through the presence service, and when a call between the group members currently roaming is desired, information on the group members in the current service area is provided. This can be accomplished by setting up a call to all group members who are in the. That is, 1: N call between the group member who applied for the group call and the remaining group members is possible.

At this time, the group member who wants the one-way group call inputs 'FC + Group ID + Call' key to call all the group members who are in the current service area, and sets the call to all the called group members. : N Transfer to busy state. Then, when the call is in a busy state, the group member who attempted the first call unilaterally speaks in one direction, and the other group members only listen.

On the other hand, when the other group members want to speak in the above state, first change the group members who are speaking to the listening mode, and the other group members who want to speak can speak by pressing a call key or another button on the keypad. You will be asked. Then, the service system 100 grants the right to speak to the group member who pressed the call key, and converts other group members to the listening mode. In this manner, the group member who speaks is changed to the listening mode, and the group member who wants to speak is given a right to speak, thereby enabling a multi-directional one-way group communication service.

The concept of the presence service according to the present invention has been described above with reference to FIGS. 1 to 3. Hereinafter, specific implementation methods of the above-described presence service will be described in detail with reference to the accompanying drawings.

First, a system configuration according to the present invention will be described with reference to FIGS. 4 to 6.

4 is a diagram illustrating a network configuration for providing a presence service in an on-premises wireless communication network according to the present invention.

Referring to FIG. 4, the presence service system network according to the present invention includes a mobile communication terminal 400, a wireless end device (BTS / BSC) 410, an internal packet network 420, a group service system 430, and a private automatic service. Private Automatic Branch Exchange (hereinafter referred to as "PABX") 440, Public Switched Telephone Network (hereinafter referred to as "PSTN") 450, Public Land Mobile Network (hereinafter referred to as "PSTN") And a " PLMN ") 460 and an HLR 470.

The mobile terminal 400 is connected to a service network covering a group service area through the wireless terminal device 410. The radio end device may be configured with a base station (BTS) and / or a base station controller (BSC).

The group service system 430 may include one or more various processing modules for providing a presence service according to the present invention and application services using the presence service (eg, group text message service, one-way group call service, etc.). It consists of databases.

The mobile terminal 400 may also communicate with the premises packet network 420 through the wireless terminal device 410, and may also communicate with the PLMN 460 through the group service system 430. In addition, communication with the PSTN 450 is also possible through the PABX 440.

In this case, the group service system 430 according to the present invention may be connected using the specific PLMN 460 and an inter-station relay protocol such as ISUP (ISDN User Part) / R2. In particular, when the group service system 430 is connected to the PLMN 460, it performs the role of a mobile switching center (hereinafter referred to as 'MSC'). In this case, a roaming service may be provided to the subscriber station as part of the PLMN 460, and the terminal may provide the above-mentioned service to determine whether or not roaming in its system.

In addition, the group service system 430 or a specific network manager may manage the registration terminal to receive the service in the service area. However, in the above cases, it is preferable that the group service system 430 is responsible for determining whether there is a service subscriber and maintaining a database thereof.

Meanwhile, the service network according to the present invention can be applied to a network system as shown in FIG. 5 in which the PLMN 460 and the premises packet network 400 interwork.

FIG. 5 is a diagram illustrating a network configuration of providing a presence service in an premises packet network according to an embodiment of the present invention.

Referring to FIG. 5, a packet-based group service system may be implemented through a predetermined premises packet network 500 interworking with the global communication network 540 (that is, the public mobile communication network).

The packet-based on-premises wireless network system is a network termination device (530) consisting of a base station (BTS) and a base station controller (RNC or BSC) performing a radio channel interface function between the mobile terminal 580 and the packet-based network, the premises A plurality of network termination devices 530 are connected to each other through Ethernet 590 constituting a packet network to communicate with each other, and a call setup, release, and location of a corresponding mobile terminal in a service area by the premises packet network 500 may be performed. Call Agent (510) for performing overall call processing control in the packet network including registration, and interworking with the exchange 560 and HLR 550 of the global communication network 540 and A call control manager (hereinafter referred to as a 'CCM') 520 for managing the plurality of CAs 510 in association with the plurality of CAs 510 and a network terminating device in the global communication network; 570).

That is, the packet-based premises wireless communication network system to which the present invention can be applied is composed of the RNC / BTS 530, the CA 510 and the CCM 520, each of the devices (510, 520, 530) is Ethernet Interconnected via 590, each function will be described in more detail as follows.

First, the functions performed by the CCM 520 will be described in detail as follows.

The CCM 520 performs a management function for all subscribers of the premises packet network 500, that is, the packet-based premises wireless communication network system according to the present invention, and includes a plurality of cascades connected through the Ethernet 590. It has a profile for CA 510. Therefore, as described above, when performing call processing between the packet network 100 and the global communication network 540 or call processing between the CA 510 in the premises packet network 500, the telephone number of the subscriber mobile terminal (MIN: Mobile Identification Number) to know which CA (510) to which the corresponding destination mobile terminal belongs.

In addition, the CCM 520 performs a call processing function that is outgoing / incoming from / to the global communication network 540 to / from the premises packet network 500, wherein basic call processing and various additional service processing functions are performed. Performs a number translation function for outgoing and incoming calls, a handoff function with the global communication network 540, and a voice trunk control management function connected with the global communication network 540; .

In addition, the CCM 520 performs a signaling gateway function between the premises packet network 500 and the global communication network 540, wherein the CCM 520 and the switch 560 of the global communication network 540 are SS. And interworking with the CA 510 of the premises packet network 500 based on the Internet Protocol (IP), performing a transmission conversion function (SS.7↔IP) between the SS.7 and the IP, and The MIN number is viewed from the mobile application protocol (Mobile Application: MAP) message from the global communication network 540 and performs a function of routing to the corresponding CA 510. In addition, the CCM 520 performs a media gateway control function and a billing function, wherein the billing data generation function for the call being relayed from the premises packet network 500 to the global communication network 540 and its It performs the function of transmitting the billing data to the billing center, and performs the SIP (SIP: Session Initiation Protocol) gateway function to interwork with the CA 510 based on the SIP.

Next, the functions performed by the CA 510 will be described in detail.

The CA 510 roams a profile of a mobile terminal of a corresponding subscriber located by roaming into a service area of the premises packet network 500 (CA # 1,..., Or CA # N) 511,..., Or 512. Profile management function, SIP gateway function for interworking call processing with SIP (Session Initiation Protocol) phone and interworking with the CCM 520 via the Ethernet 590, subscription located in the packet network 100 Call processing and supplementary service processing function for inter-party calls and SIP-based interworking with the CCM 520 via the Ethernet 590 for outgoing calls from the premises packet network 500 to the global communication network 540. Function to process outgoing call, SIP-based interworking with the CCM 520 via the Ethernet 590 for incoming call from the global communication network 540 to the premises packet network 500, automatic Private Automatic Bran ch Exchange: PABX) interworking call processing function, interworking function with one or more corresponding base station controller (RNC) 530, interworking function based on SIP protocol based on Unified Messaging Service (hereinafter referred to as 'UMS') , And UMS Outdialing processing functions.

Meanwhile, the functions provided by the group service system 430 according to the present invention described above with reference to FIG. 4 may be processed by the CA 510 and the CCM 520, and a detailed processing method will be described later.

Hereinafter, a detailed structure of the group service system 430 for providing a presence service according to the present invention will be described with reference to FIG. 6.

6 is a diagram showing the detailed configuration of a group service system 430 according to an embodiment of the present invention.

Referring to FIG. 6, the group service system 430 according to the present invention includes a wireless terminal matching unit 601, a group call processing unit 602, a group short message service (SMS) processing unit 603, and a presence service. PLMN network connected to processing unit 604, number translation D / B interface unit 605, number translation information database 606, subscriber D / B interface unit 607, subscriber information database 608, PLMN 610 It includes a matching processing unit 609 and the premises PABX matching processing unit 611 connected to the PABX 612.

The wireless terminal matching unit 601 classifies an interface and a call between a base station controller and a base station system that controls the wireless terminal, determines and classifies which service is required by the terminal, and handles basic call processing as a whole. do.

The group call processing unit 602 determines whether the request of the terminal is a group call service, and is responsible for group call control when the group call is a group call.

The group SMS processing unit 603 determines whether the terminal transmits the group SMS, and delivers the text message transmitted by the subscribing terminal to the group members who are roaming in a specific area.

The PLMN network matching processing unit 609 serves to provide routing to the PLMN 610 for a subscriber call, and the premises PABX matching processing unit 611 delivers a subscriber call to the PABX 612. Perform.

The number translation information database 606 includes tables in which service types according to FC are mapped. Preferably, the mapping between the FC and the service type is set in advance. Therefore, when a FC is input from a predetermined terminal, the service type (eg, group call service, group text message service, etc.) for the corresponding FC is determined through a mapping table stored in the number translation information database 606. At this time, the number translation D / B interface unit 605 is responsible for interfacing between the group call processing unit 602 and the number translation information database 606.

In addition, the subscriber information database 608 stores state information (ie, on information, off information, power off information, etc.) of the corresponding group members for each group. Therefore, when performing the presence service according to the present invention, if the status information of group members for each group is needed, the information stored in the subscriber information database 608 is referred to. In addition, the data is updated by a predetermined message whenever the status information of group members of each group is changed. The subscriber D / B interface unit 607 is responsible for interfacing between the group call processing unit 602 and the subscriber information database 608.

Detailed operations of the respective functional blocks for providing a group service according to the present invention will be described later.

Hereinafter, a detailed description will be given of a presence service according to an exemplary embodiment of the present invention and a detailed method of transmitting a group text message and a unidirectional group call by the presence service with reference to the drawings.

On the other hand, mobile terminals for receiving the service of the present invention must first perform service registration (ie, group registration) for receiving the presence service according to the present invention. Therefore, first, a group registration and release procedure for presence service according to an embodiment of the present invention will be described with reference to FIGS. 7 to 11.

<Group registration and release procedure>

The group registration and release procedure for the presence service can be implemented in two ways. First, a method of inputting group information and group member information to a corporate client terminal in charge of inquiring and changing information about a subscriber of an on-premises wireless communication network (eg, WOS); and second, a feature code; FC ') to register and delete group members.

In addition, in order to efficiently manage the group, when one group is registered, it is preferable to assign a unique ID for identifying the group.

First, a procedure of performing registration and release using a corporate client terminal will be described with reference to FIGS. 7 and 8.

7 is a signal flow diagram illustrating a procedure for registering a group using a client terminal according to an embodiment of the present invention.

Referring to FIG. 7, first, information about group members for constituting a group is input through the client terminal and transmitted to the group service system (701). In this case, the client terminal may be connected to the group service system through a wired network. The group service system which has received the information about the group members checks whether the input group members are service subscribers in the same service area. Next, the group service system generates a group ID and transmits a group member registration information confirmation message including the group ID to the client terminal (702). In addition, the group service system transmits a group registration message including whether to join the group and a group ID in a message delivery notification (MDN) message to a group member registered from the client terminal through a wireless communication network.

In this case, the group registration message may be delivered together with the group ID in the form of a text message. For example, assuming that the group ID is '1234', the group registration message transmitted to each group member is delivered to each group member wireless terminal in the form of "Group ID = * 1234, congratulations registration." (703, 704, 705).

Meanwhile, even when additional group members occur, it is possible to add group members through the client terminal.

Next, the group release procedure by the client terminal will be described with reference to FIG. 8.

8 is a signal flow diagram illustrating a procedure for releasing a group using a client terminal according to an embodiment of the present invention.

Referring to FIG. 8, first, information for releasing group members is input through the client terminal. The group service system receiving the group member release information releases the received group members and transmits a group member release confirmation message to the client terminal (802). At this time, the group service system distinguishes and processes the entire group member release and the individual release case, and when the information on the release is completed, notifies the individual terminal whether the release is performed by text message or the like.

If the release is an individual release, group ID information should be delivered to each group member. If the release is an entire group release, it is preferable that the release is performed by an MDN message of a group first establisher.

On the other hand, as described above, the group registration and release can be registered and released through the FC as well as the method through the client terminal.

9 is a signal flow diagram illustrating an initial group registration procedure through FC according to an embodiment of the present invention.

Referring to FIG. 9, a wireless terminal (ie, a master terminal) to establish a group transmits an FC for initial group establishment to a group service system (901). The group service system receiving the FC checks whether the corresponding subscriber is a valid subscriber. As a result of the check, if a valid subscriber is established, a group is established and a group ID is assigned (902).

Next, the wireless terminal notifies the wireless terminal of the success / failure according to the group establishment request (903), and transmits group ID information through a predetermined text message. For example, assuming that the group ID is '1234', the group registration confirmation message transmitted to the master wireless terminal may be configured in the form of "Group ID = * 1234, congratulation of registration."

When the registration procedure for the group is completed through the master wireless terminal as described above, the registration procedure of each group member may be performed by the method as shown in FIG.

10 is a signal flow diagram illustrating a group member registration procedure through FC according to an embodiment of the present invention.

Referring to FIG. 10, the first group member (ie, the master mobile terminal) informs the group ID information to the mobile terminals of members who will register in their group. Each of the mobile terminals receiving the group ID information may be registered in the corresponding group by using the group ID information.

For example, each of the mobile terminals intending to register as a group member requests a group registration by transmitting 1001 an FC and a group ID indicating a predetermined group registration to the group service system.

The group service system receives the group registration application information from each of the mobile terminals and identifies a subscriber. If the check result is a service subscriber, it is added to the group member of the group (1002), and transmits the success / failure result according to the group member registration to the mobile terminal (1003). In addition, the message according to the group member registration may be implemented to notify (1004) by a predetermined text message (for example, "Group ID = * 1234, congratulations registration") as in the above-described methods.

Next, the degrouping procedure through the FC will be described with reference to FIG. 11.

11 is a signal flow diagram illustrating a group release procedure through FC according to an embodiment of the present invention.

Referring to FIG. 11, an initial group establisher requests a group release by sending 1110 a predetermined FC indicating group release to a group service system. The group service system receiving the group release request confirms the information on the first subscriber and releases the group by deleting 1102 the group ID.

Thereafter, the group service system notifies 1103 of the release success / failure result of the group release request to the master wireless terminal, which is the first group establisher. In this case, the notification of the group release may be transmitted (1104) through a predetermined text message, and it is preferable to transmit (1105, 1106) not only to the master wireless terminal, but to all group members belonging to the released group. Do. For example, the text message may be configured as "Group ID = * 1234, released".

Meanwhile, the group member release procedure by the FC may be performed by the same process as the group member registration procedure described above with reference to FIG. 10. At this time, the FC transmits using the FC allocated for release.

In the above, the group registration and release procedure to be performed in order to provide the presence service according to the present invention has been described. Next, each service provided according to the present invention (presence service, group text message service, one-way group call service, etc.) will be described in detail by embodiment.

First Embodiment Presence Service

12 is a flowchart illustrating a presence service providing procedure according to a first embodiment of the present invention.

Referring to FIG. 12, in order to receive the presence service according to an embodiment of the present invention, the terminal newly roams to a specific service area or performs origination and location registration (step 1200). The communication between the terminal and the group service system 430 is performed through the wireless terminal matching unit 601 for the origination and location registration. At this time, the presence service processor 604 of the group service system 430 determines whether the location of the terminal is changed, and then determines whether to subscribe to the corresponding service to perform the presence service processing request of the corresponding terminal (step 1210). do.

Meanwhile, the group service system changes (step 1220) specific subscriber status information of a specific group and determines whether to notify a text message. As a result of the determination, if a state change to deliver the text message occurs, the terminal information and the state information to be delivered are transmitted to the group SMS processor 603. Then, the group SMS processing unit 603 generates predetermined text message information (step 1230), and transmits the configured text message information to each terminal corresponding to the group through the wireless terminal matching unit 601. (Step 1240).

Meanwhile, location registration and deletion of each terminal basically required for providing the presence service according to the embodiments of the present invention may be implemented as follows. The location registration and deletion procedure to be described below is an embodiment of a network configuration for providing a presence service in the premises wireless communication network described above with reference to FIG. Therefore, it is obvious that the location registration and deletion procedure can be modified and applied according to the network implementation according to the present invention.

<Registering and Deleting Locations>

13 is a signal flowchart illustrating a location registration procedure for providing a presence service according to a first embodiment of the present invention.

Referring to FIG. 13, when the mobile terminal 580 of the subscriber located in the global communication network 540 roams into the area of the premises packet network 500, an operation flowchart of the present invention is shown. First, when the mobile terminal 580 entering the premises packet network 500 transmits a location registration request message to the RNC / BTS 530 (1301), the RNC 530 sends the mobile terminal (CA) to the CA (510). The location registration message received from 580 is transmitted (1302). The CA 510 transmits a location registration message based on the IP protocol to the CCM 520 through the Ethernet 590 after registering the location of the mobile terminal 580 (1203). The CCM 520 registers the location of the mobile terminal 580 in association with the CA 510 based on the received location registration message, and then converts the received location registration message into an SS.7 protocol message. The mobile station 580 transmits the data to the PLMN HLR 550 of the global communication network 540, which was previously included (1304).

The HLR 550 transmits a command to the corresponding switch (PLMN-MSC) 560 to which the mobile terminal 580 belongs immediately before deleting information about the terminal 580 (1305). The MSC 560 executes the command and then sends 1306 a response to the home location register 550.

The home location register 550 updates and registers the location of the mobile terminal 580 in association with the CCM 520, and transmits a location registration response message to the CCM 520 (1307). The CCM 520 informs the CA 510 that the location registration of the mobile terminal 580 is normally performed (1308). Finally, the CA 510 sends a location registration to the RNC 530. It tells that it was completed (1309).

Hereinafter, a location deletion procedure corresponding to the location registration procedure of FIG. 13 will be described with reference to FIG. 14.

14 is a signal flowchart illustrating a location deletion procedure for providing a presence service according to a first embodiment of the present invention.

Referring to FIG. 14, an operation flowchart of a case where a mobile station 580 located in the premises packet network 500 moves to the global communication network 540 and a location deletion occurs is shown.

First, when the mobile terminal 580 moved to the global communication network 540 requests a location registration to the MSC 560 through the corresponding base station / control station PLMN BSC / BTS, the MSC 560 accordingly Location registration is requested with the HLR 550 (1401).

The HLR 550 registers the location according to the request, and then transmits a location deletion request message based on the SS.7 protocol to the CCM 520 (1402), and the CCM 520 requests the location deletion. On the basis of the message, the location information of the mobile terminal 580 is deleted, and the mobile terminal 580 of the mobile terminal 580 is located in which CA 510 was previously located. After determining, and transmitting the location deletion request message based on the IP protocol to the determined CA 510 (1403), the CA 510 deletes the location information of the mobile terminal 580 and then the CCM In operation 1404, the location deletion response message based on the IP protocol is transmitted to 520.

The CCM 520 converts the received IP-based location deletion response message into a location deletion response message based on the SS.7 protocol and transmits it to the HLR 550 of the global communication network 540 (1405). The HLR 550 informs the MSC 560 that the location registration was successful (1406).

FIG. 15 is a diagram illustrating inter-CA inter-block operation when the presence service according to the first embodiment of the present invention is applied to a premises packet network.

Referring to FIG. 15, the location registration request from the mobile terminal 1500 is transmitted to the PLMN HLR via the CA and the CCM as described above with reference to FIG. 14. That is, it is processed through the call processing module 1510 of the CA and the MAP module 1520 of the CCM.

As described above, when the mobile terminal enters the service area, the PLMN HLR 1530 deletes the location and registers the location in the group service system covering the service area. Accordingly, the CA call processing module 1510 performs a memory ON request to the CA subscriber management module 1540. The CA subscriber management module 1540 updates the information of the corresponding UE stored in the group data information database 1550 from OFF to ON, and returns an ACK signal to the CA call processing module 1510.

Meanwhile, the CA call processing module 1510 that receives the ACK signal from the CA subscriber management module 1540 sends the CA group SMS processing module 1560 to each group member of the group to which the terminal 1500 belongs. The terminal 1500 requests to be transmitted via SMS. Then, the CA group SMS processing module 1560 transmits a text message regarding the location registration of the terminal 1500 to all the terminals that are turned on in the group to which the terminal 1500 belongs. At this time, the information on the terminals of the corresponding group is obtained from the group data information database 1550 through the CA subscriber management module 1540 in the CA call processing module 1510.

Second Embodiment-Group Short Message Service

16 is a flowchart illustrating a group short message service providing procedure according to a second embodiment of the present invention.

Referring to FIG. 16, a mobile terminal provided with a presence service according to the present invention may transmit a group text message to group members of a group to which the group belongs in a service area where the service is provided.

First, a mobile terminal to transmit a group text message creates a group text message and transmits the created message together with the FC and the group ID indicating the group text message transmission (step 1600).

On the other hand, in the second and third embodiments to be described later, when using the group text message service and the one-way group call service through the presence service, the FC and group ID are used. The FC is a code for identifying that a command transmitted from a terminal receiving the service is a predetermined presence service, and the group ID is an identifier for identifying a group because the presence service is a service for a corresponding group.

The FC and group ID is set in advance to easily implement the present invention without changing the internal structure of the terminal, it is obvious that it can be modified in other ways for the implementation of the present invention. For example, the presence service related menu may be mounted in the terminal, and the presence service related information may be stored in a predetermined memory. Then, the stored presence service-related information is updated according to various messages provided by the group service system, and when the terminal wants to use the presence service, the terminal provides a service menu for the user's convenience. The present invention can be implemented by selecting a corresponding menu.

Meanwhile, the wireless terminal access unit 601 of the group service system 430 receiving the message transmits the received FC and group ID to the group call processing unit 602 to request translation of the FC. Receiving the translation request of the FC, the group call processing unit 602 searches the number translation database 606 through the number translation D / B interface unit 605 to obtain group information corresponding to the FC (step 1610). do.

Then, the group call processing unit 602 obtains group member information stored in the subscriber information database 608 through the subscriber D / B interface unit 607 so as to obtain group member information corresponding to the obtained group information. Step 1620). In this case, the group member information includes information of group members joining the group and status information (on information, off information, power off information) of each group member.

The obtained group members information is transmitted to the group SMS processor 603, and the group SMS processor 603 sends the group text message transmitted by the terminal to the group members. Transmission (step 1630).

FIG. 17 is a diagram illustrating inter-CA inter-block operation when the group short message service according to the second embodiment of the present invention is applied to an internal packet network.

Referring to FIG. 17, a terminal 1500 belonging to a predetermined service area first transmits a text message prepared for transmitting a group text message to the group service system 430 by an FC and a group code indicating a group SMS. At this time, the FC and the group code is transmitted to the CA SMS call processing module 1700 of the group service system 430, the CA SMS call processing module 1700 to the CA number translation module 1710 FC and group ID. Requires translation.

The CA number translation module 1710 identifies the group SMS service from the FC and obtains the group information by referring to the number translation information database 1720. The CA number translation module 1710 then notifies the CA SMS call processing module 1700 of the group SMS transfer call. At this time, the CA SMS call processing module 1700 obtains the information of the group members in order to transmit the same SMS message to the group members in the group. In order to obtain the information of the group members, the CA SMS call processing module 1700 requests the CA subscriber management module 1540 of the group members corresponding to the group ID.

The CA subscriber management module 1540 retrieves group member information of the corresponding group with reference to the group data information database 1550, and retrieves information on the group member located in a corresponding service area among the group members. Send to CA SMS call processing module 1700. Finally, the CA SMS call processing module 1700 transmits an SMS text message to the corresponding group members by using the received group member information and SMS message information.

Third Embodiment-One-way Group Call Service

18 is a flowchart illustrating a group call processing service providing procedure according to a third embodiment of the present invention.

Referring to FIG. 18, the terminal transmits the FC and the group ID indicating the one-way group call to the wireless terminal matching unit 601 of the group service system 430. Meanwhile, the terminal attempting to make a group call in the corresponding service area may make a call (step 1800) using a call back number included in a message provided by the presence service. At this time, the FC attempts to make a call for a group call.

The wireless terminal matching unit 601 receives the FC and transmits a message to the group call service processing unit 602. The group call service processing unit 602 requests a number translation for the FC, and receives information that the information sent by the terminal is a group call. In this case, the group call service processor 602 retrieves the FC information stored in the number translation information database 606 through the number translation data interface 605 (step 1810).

 Then, as in the group text message service, information of roaming group members in the service area is obtained. That is, the information about the group members is stored in the subscriber information database 608 through the subscriber database interface 607 (step 1820).

The group call service processing unit 602 simultaneously establishes a call to the group members in the on state through the obtained information on the group members in the on state (step 1830). The specific setting method will be described later. If a response signal is received from the group members in the on state, the terminal transitions to a group call state such as a PTT.

19 to 22, specific implementation methods of the one-way group call service according to the third embodiment of the present invention will be described.

19 is a signal flow diagram illustrating an initial call setup procedure for the one-way group call service.

Referring to FIG. 19, the wireless terminal 1 for receiving the one-way group call service transmits a service request signal 1901 to a group service system. At this time, as described above, it is possible to implement a one-way group call according to a service area by pressing a call button with a callback number FC and a group ID, which are already provided through the presence service.

The group service system determines that the attempt is a one-way group call through the FC code, and simultaneously attempts to set up a call to the wireless terminal 1 and the wireless terminal 2, which are group members who have the same group ID and are roaming in the corresponding service area (1902). , 1903).

Meanwhile, while establishing a call to the wireless terminal 1 and the wireless terminal 2, a ring back tone is transmitted to the wireless terminal 1 which is the calling terminal (1904). Of course, it is also possible to provide a guide or background music service other than the ringback tone.

In this case, when the wireless terminal 1 and the wireless terminal 2 responds (1905, 1906), the one-way group call is notified by notifying the response of the response to the wireless terminal 1, which is the calling terminal, by a predetermined tone or announcement (1907). Start 1908, 1909, 1910.

On the other hand, the unidirectional group call is a method in which the subscriber of the terminal attempting the initial call speaks unilaterally, and the terminal set up the call listens unilaterally. In this case, it is preferable to consider a manner of giving a voice to the terminal in the listening mode. There may be various ways of giving the right to speak, and two methods described below may be considered.

20 is a signal flow diagram illustrating a first method of transferring a voice in a one-way group call according to a third embodiment of the present invention.

Referring to FIG. 20, the first method of transmitting a voice in a unidirectional group call is a method in which the wireless terminal 1 that already has a voice and performs a one-way group call (2001, 2002, 2003) passes the voice.

The wireless terminal 1 having the talk right attempts to switch the talk right by pressing a predetermined key (for example, a call key) to hand over the talk right to other group members (2004). In the group service system, after receiving a signal for switching the talk right from the wireless terminal 1, the wireless terminal 2 and the wireless terminal 2 in the current listening mode provides a predetermined tone indicating whether or not speaking is possible (2005, 2006). At this time, the method of switching the voice to one of the plurality of wireless terminals provided with the tone indicating whether or not the speech is possible, there can be a variety of methods, it will be described as giving a voice to the first responding terminal for convenience.

If the wireless terminal 2 requests the right to speak first (2007), the group service system gives the right to speak to the wireless terminal 2 (2008), and the one-way group call made by the wireless terminal 2 (2009, 2010, 2011). To make it possible. Therefore, the remaining radio terminals, that is, radio terminal 1 and radio terminal 3, are both switched to the listening mode.

It is possible to implement a one-way group call between the terminals by the method as described above, it is preferable that the first call attempt to implement to release all calls when the call release. In addition, each group member of the group can be implemented to enable the call release during the call.

21 is a signal flow diagram illustrating a second method of transferring a voice in a one-way group call according to a third embodiment of the present invention.

Referring to FIG. 21, a second method of transmitting a talk right in a one-way group call gives a talk right only for a specific time, and thereafter, notifying the availability of the talk right to the terminals in all listening modes except the talk-owning terminal. After passing the tone information, the voice is handed over. As described above, the method of switching the voice to one wireless terminal among the plurality of wireless terminals provided with the tone indicating whether the voice can be spoken may be various methods, and for convenience, the voice to the first responding terminal will be described. .

The second method as described above may prevent some terminals from monopolizing the voice by placing a time limit on the voice. In addition, when the user wants to pass the right to speak before a specific time, the right to speak may be handed over to another terminal by indicating the intention to pass the right to speak (for example, by pressing a call key) as in the first method.

That is, referring to FIG. 21, when the wireless terminal 1 performs a unidirectional group call for a specific time (2101, 2102, 2103) with a voice, the group service system of the wireless terminal 1 via a predetermined timer. Check the talk time. If the speaking time of the wireless terminal 1 exceeds a predetermined time (2104), the speaking right of the wireless terminal 1 is deprived. Accordingly, after the talk right time limit of the wireless terminal 1 elapses, the other terminal, that is, the wireless terminal 2 and the wireless terminal 3, may be notified by a signal such as a tone (2105 and 2106).

In this case, as in the first method, the terminal to speak speaks a willingness to speak to the group service system by pressing a call key, etc. (2107), and the group service system that detects this handing over the speaking right to the corresponding wireless terminal. (2108). In FIG. 21, the wireless terminal 2 first applies for the right to speak after the timeout, and the group service system grants the right to speak to the wireless terminal 2. Thereafter, the wireless terminal 2 is switched to the speaking mode (2109), and the remaining wireless terminals in the group, that is, the wireless terminal 1 and the wireless terminal 3 are converted to the listening mode (2110, 2111).

By the above methods, a unidirectional group call can be provided between mobile communication terminals within a predetermined service area.

FIG. 22 is a signal flowchart illustrating a specific process of actually setting up a call for each wireless terminal to provide a group call processing service according to a third embodiment of the present invention.

Referring to FIG. 22, signaling between the wireless terminal, the BTS / BSC (SDU), and the CA is a basic flow provided in the IOS 4.0 standard, and the unidirectional group call is made through the SDU and the CA with only a few additional functions in the basic system. Will be provided.

First, the terminal inputs and transmits a dial (FC + Group ID + SEND) for group call request (2201), BS system (BTS / SDU / RNC) confirms the terminal call (2202), CM_Service_Request message to the CA Send 2203. After receiving the CM_Service_Request message, the CA transmits an assignment request message, which is a message for allocating a traffic channel, to the terminal (2204). Then, the BS system allocates a radio traffic channel to the terminal (2205) and prepares to transmit and receive voice traffic between the terminal and the SDU.

On the other hand, when it is ready to send and receive traffic between the terminal and the BS system transmits an Assignment Complete message that is a completion message to the CA system (2206). In the CA system, a call processing module, a number translation module, and a database storing subscriber information about group members mainly interact with each other to process this function.

The CA call processing module makes an FC + Group ID translation request 2207 with the number translation module, and determines that the FC is a group call in the number translation module, and delivers the FC to the call processing module (2208).

The call processing module searches the database based on the group ID and searches for subscribers registered in the WOS area (2209). In addition, the subscribers are located in the service area and registers the destination information of the subscriber to the call processing module (2210, 2211).

The call processing module performs paging processing requests 2212 and 2213 to the called subscriber in the service area based on the called subscriber information. If the subscriber stations respond (2214, 2215), the traffic with the SDU and the terminal can be sent and received in the same manner as the originating process (2216, 2217, 2218), and the Alert With Information message to ring the terminal To be transmitted to the terminal (2219).

When the incoming call for all group members is completed (2220 to 2227), the call processing module delivers 2288 an tone (AcstSvcReq), which is information indicating that the called terminals have responded, and unidirectionally copies the outgoing traffic to the called terminals (One). A traffic copy is forwarded to the SDU (2229) so that a Way Copy can be performed.

In this case, the SDU (Selection & Distribution Unit) copies the traffic data 2230 received from the terminal to another SDU through the packet network (2231) to be delivered (2232 to 2235). In fact, since the called terminal communicates with the same SDU, it is possible to deliver the traffic to the called terminal without load of the traffic.

FIG. 23 is a diagram illustrating inter-CA inter-block operation when the group call processing service according to the third embodiment of the present invention is applied to an internal packet network.

Referring to FIG. 23, when the terminal 1500 transmits an FC and a group ID indicating a one-way group call to the CA call processing module 1510, the CA call processing module 1510 sends the FC to the CA number translation module 1710. And translation of the group ID.

The CA number translation module 1710 performs number translation with reference to the number translation information database 1720 based on the information received from the CA call processing module 1510. The processing result is notified to the CA call processing module 1510 again, and the CA call processing module 1510 corresponds to a group ID to the CA subscriber management module 1540 in order to obtain information of group members for the group. Ask for information from group members.

The CA subscriber management module 1540 refers to the group data information database 1550 and checks information of group members who are in an on state in the corresponding group and transmits the information to the CA call processing module 1510.

Finally, the CA call processing module 1510 provides a one-way group call service by requesting call setup for each group member through the received group members information.

In the above, the presence service according to the embodiments of the present invention and the method of implementing the group text message service and the one-way group call service related to the presence service have been described in detail. Next, examples of the screen displayed on the actual terminal will be described with reference to FIGS. 24 to 26.

24 to 26 are views illustrating display screens of a mobile terminal according to embodiments of the present invention.

Referring to FIG. 24, when the FC of the group text message service is "# 8" and the ID of the group registered by the terminal is "1247", the terminal belonging to the group by inputting "# 8 * 1247" as shown. Send group text messages. On the other hand, by setting a special key (for example, "G" key) for receiving the service according to the present invention to the terminal can be provided more easily the presence service described above. That is, when the special key is pressed, a menu as shown in FIG. 25 may be provided.

Referring to FIG. 25, a presence service menu may be provided to the mobile terminal as shown. That is, the information of group members for the group is displayed as OFF (out of service area), ON (in service area), PW (power off), etc., so that the status of group members in the same group can be grasped. According to the status information, that is, the presence information, the group SMS or the group call service as described above may be continuously provided.

26 is a diagram illustrating group text message transmission according to an embodiment of the present invention. Accordingly, when a message is transmitted to the entire group in a predetermined service area (eg, a company or a school), the group text message transmission service according to the present invention can be easily performed.

On the other hand, in the embodiment of the present invention has been described with respect to specific embodiments, various modifications are possible without departing from the scope of the invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined not only by the appended claims, but also by those equivalent to the claims.

According to the present invention, a mobile communication terminal belonging to a specific area by providing a group text message service and a one-way group call service related to the presence service to people gathered in a specific area with a specific purpose, such as a school, a corporate building, or a factory. There is an advantage in that it is possible to provide more specialized services to subscribers.

Further, according to the present invention, the group text message service and the one-way group call service through the presence service are provided in the system without changing the terminal, thereby providing an easy service without additional equipment modification.

1 to 3 are diagrams showing the concept of presence service in the premises wireless communication network according to the present invention.

4 is a diagram illustrating a network configuration for providing a presence service in a premises wireless communication network according to the present invention;

5 is a diagram illustrating a network configuration for providing a presence service in a premises packet network according to an embodiment of the present invention.

6 is a diagram showing a detailed configuration of a group service system according to an embodiment of the present invention.

7 to 11 are signal flow diagrams illustrating a presence service registration and release procedure according to an embodiment of the present invention.

12 is a flowchart illustrating a presence service providing procedure according to the first embodiment of the present invention.

13 is a signal flowchart illustrating a location registration procedure for providing a presence service according to a first embodiment of the present invention;

14 is a signal flow diagram illustrating a location deletion procedure for providing a presence service according to a first embodiment of the present invention.

FIG. 15 is a diagram illustrating inter-CA inter-block operation when the presence service according to the first embodiment of the present invention is applied to a premises packet network. FIG.

16 is a flowchart illustrating a group short message service providing procedure according to a second embodiment of the present invention.

FIG. 17 is a diagram illustrating inter-CA inter-block operation when a group short message service according to a second embodiment of the present invention is applied to an internal packet network. FIG.

18 is a flowchart illustrating a procedure of providing a group call processing service according to a third embodiment of the present invention.

19 to 22 are signal flow diagrams illustrating an initial call setup procedure when providing a group call processing service according to a third embodiment of the present invention.

FIG. 23 is a diagram illustrating inter-CA inter-block operation when the group call processing service according to the third embodiment of the present invention is applied to an internal packet network. FIG.

24 to 26 illustrate display screens in a mobile terminal according to embodiments of the present invention.

<Description of the symbols for the main parts of the drawings>

100: service system 110: mobile communication terminal

140: group service network 150: service area

160: non-service area 410: wireless end device

420: on-premises packet network 430: group service system

440: PABX 450: campus packet network

460: PLMN 470: HLR

601: wireless terminal matching unit 602: group call processing unit

603: group SMS processing unit 604: presence service processing unit

605: number translation D / B interface unit 606: number translation information D / B

607: subscriber D / B interface unit 608: subscriber information D / B

609: PLMN network matching processing unit 610: PLMN

611: premises PABX matching processing unit 612: PABX

Claims (19)

The plurality of mobile terminals comprises at least one mobile switching center, a plurality of public network base station control stations connected to each of the mobile switching stations, and a plurality of public network base stations connected to each of the base station control stations to form a public dedicated cell area. Communication service is provided through a public mobile communication network, and when a mobile terminal of one of the plurality of mobile terminals enters a service area of a predetermined premises wireless communication network connected to the public mobile communication network, the communication service is provided from the premises wireless communication network. In the provided mobile communication system, Presence service providing system in the premises wireless communication network, Stores group information and service state information of a plurality of mobile terminals subscribed to a specific group among a plurality of mobile terminals provided with a communication service from the premises wireless communication network, and stores the information of the mobile terminals belonging to the group. Group service system for transmitting to the terminal; presence service system in the premises wireless communication network comprising a. The method of claim 1, The service state information includes on state information indicating that the respective terminals exist in a service area of the premises wireless communication network, off state information indicating that the terminals do not exist in the service area, and indicating a state in which the power of the terminal is turned off. Presence service providing system in the premises wireless communication network, characterized in that any one or more selected from the power off state information. The method of claim 1, The group service system, A wireless terminal matching unit for determining and classifying a type of service requested by the terminal and performing basic call processing; And Is connected to the wireless terminal matching unit, and when the mobile terminal state information in the specific group is changed, store update information of the mobile terminal state in a predetermined database, and process the update information to be transmitted through the wireless terminal matching unit. Presence service processing system comprising; presence service in the on-premises wireless communication network. The method of claim 1, The group service system, A wireless terminal matching unit for determining and classifying a type of service requested by the terminal and performing basic call processing; And It is determined whether the request of the terminal is a one-way group call service based on the information received from the wireless terminal matching unit. In the case of a one-way group call, the group in charge of the one-way group call control is obtained by obtaining information of group members in the group. Presence service providing system in the premises wireless communication network comprising a. The method of claim 1, The group service system, A wireless terminal matching unit for determining and classifying a type of service requested by the terminal and performing basic call processing; And It is determined whether the terminal transmits a group text message, and when the group text message is transmitted, information of the group members in the group is obtained and the text message transmitted by the subscriber station is transmitted to the group members roaming in a specific area. Group SMS processing unit for processing if possible; Presence service providing system in a premises wireless communication network comprising a. The method of claim 1, The group service system, And a number translation information database in which function codes for respective services according to the presence service are stored. The method of claim 1, System for providing a presence service in the premises wireless communication network further comprises a subscriber information database for storing the status information of the group members for each group. The plurality of mobile terminals comprises at least one mobile switching center, a plurality of public network base station control stations connected to each of the mobile switching stations, and a plurality of public network base stations connected to each of the base station control stations to form a public dedicated cell area. A communication service is provided through a public mobile communication network, and when a mobile terminal of one of the plurality of mobile terminals enters a service area of a predetermined premises wireless communication network connected to the public mobile communication network, communication service is provided from the premises wireless communication network. In the provided mobile communication system, Presence service providing method in the premises wireless communication network, Storing group information and service state information of a plurality of mobile terminals subscribed to a specific group among a plurality of mobile terminals provided with a communication service from the premises wireless communication network; And And transmitting the information of the stored mobile terminals within the corresponding group to the respective mobile terminals. The method of claim 8, The service state information includes on state information indicating that the respective terminals exist in a service area of the premises wireless communication network, off state information indicating that the terminals do not exist in the service area, and a power source indicating a power-off state of the terminal. Method of providing a presence service in the premises wireless communication network, characterized in that at least one selected from the off state information. The method of claim 8, The terminal registers to a specific group of a predetermined premises wireless communication network, And providing group information and group member information to a corporate client terminal in charge of inquiring and changing information about subscribers in the premises wireless communication network. The method of claim 8, The terminal registers to a specific group of a predetermined premises wireless communication network, And registering a group by transmitting a predetermined function code through a terminal to which the group is to be registered. The method of claim 8, Transmitting, by the mobile terminal, a predetermined text message to be transmitted to the group members to the premises wireless communication network using a function code indicating that the message is a group text message and a predetermined group code; And transmitting the text message to one or more mobile terminals having a specific state selected from a plurality of mobile terminals belonging to the corresponding group. The method of claim 12, And the specific state is on state information indicating that the corresponding terminals exist in the service area of the premises wireless communication network. The method of claim 8, Transmitting, by the mobile terminal, a message consisting of a function code indicating a unidirectional group call service and a corresponding group code to the premises wireless communication network; Establishing a call with one or more mobile terminals having a specific state selected from a plurality of mobile terminals belonging to the corresponding group; And And performing, by the mobile terminal requesting the service, a one-way group call with the terminals to which the call is established. The method of claim 13, And the specific state is on state information indicating that the corresponding terminals exist in the service area of the premises wireless communication network. The method of claim 13, After performing the one-way group call, Transmitting a message informing that the mobile terminal requesting the service is finished speaking; Transmitting a message indicating that speaking is possible to each of the wireless terminals having no talk right in the same group; And Presentation of a wireless communication network in the premises, characterized in that the one terminal requesting a speech among the non-speaking wireless terminal to obtain a speaking right, and to perform a one-way group call by the terminal obtaining the speaking right. Service delivery method. The method of claim 16, Method of providing a presence service in a premises wireless communication network, characterized in that the first terminal among the wireless terminal does not have a right to speak the right to speak. The method of claim 13, After performing the one-way group call, Notifying the end of the right to speak through the terminal when a predetermined time elapses after the one-way group call starts; And Presentation of a wireless communication network in the premises, characterized in that the one terminal requesting a speech among the non-speaking wireless terminal to obtain a speaking right, and to perform a one-way group call by the terminal obtaining the speaking right. Service delivery method. The method of claim 18, Method of providing a presence service in a premises wireless communication network, characterized in that the first terminal among the wireless terminal does not have a right to speak the right to speak.