KR20030046617A - Method and for providing intelligent network service in mobile communication system - Google Patents

Abstract

PURPOSE: A method for supplying an intelligent network service in a mobile communication system and a method therefor are provided to enable an MSC to route in an LBS(Location Based information Service) system based on an intelligent network, thereby supplying the intelligent network-based LBS. CONSTITUTION: An MS(Mobile Station) attempts to originate an FAM(Fleet and Asset Management) service(201). An MSC transmits a service request message to an FAM server(203). The FAM server transmits a resource seize signal to an IP equipment(205). The IP equipment responds to the signal, and transmits a TLDN(Temporary Local Directory Number) to the FAM server(207). The FAM server transmits a CONNREQ(Connection Request) message to the MSC(209). The MSC sets a call between the MS and the IP equipment(211). The MS has a conversation(213). The FAM server transmits a reset timer signal to the MSC(215). The FAM server transmits a response message to the MSC(217), and sets a call with a substantial receiving number to make the call(219).

Description

Device and method for providing intelligent network service in mobile communication system {METHOD AND FOR PROVIDING INTELLIGENT NETWORK SERVICE IN MOBILE COMMUNICATION SYSTEM}

The present invention relates to an apparatus and method for supporting an intelligent network service in a mobile communication system, and more particularly, to an apparatus and method for routing to an intelligent network system.

Currently, the LBS (Location Based Information Service) includes, for example, an ECRS (Enhanced Call Routing Service) that enables a user to route a call according to the current location of a subscriber and a subscriber-defined self. Location Based Charging Service (LBSC), which allows you to receive different calling rates in a zone, a Flight and Asset Management Service (FAMS) that allows you to track the location and status of members of any group, and the subscriber's current location. Therefore, there are LBIS (Location Based Information Service) to provide various location-related information.

By using these services, it is possible to provide better quality services to subscribers who need a variety of services depending on their current location in case of crisis or emergency or subscribers who need location tracking.

However, according to the related art, there is no proposal for routing from a mobile switching center (MSC) to a LSB system based on FAM, LBIS and other intelligent networks that provide the LBS. Therefore, in order to provide an intelligent network based LBS in the mobile communication system, a function of routing from the mobile communication switch to the intelligent network based LBS system should be implemented.

Accordingly, an object of the present invention is to provide an apparatus and method for routing from a mobile communication exchange (MSC) to an intelligent network based LBS system to provide an intelligent network based LBS in a mobile communication system.

In order to achieve the above object, there is provided a method for providing an intelligent network service in a mobile communication system, the method comprising: performing a call by a mobile terminal to a number requesting an intelligent network service; and receiving a number requesting the intelligent network service from the mobile terminal. The mobile switching system generates an intelligent network service request message including information necessary for the intelligent network service, and transmits the intelligent network service request message to the intelligent network server, and when receiving the service request message, determines whether the intelligent network server needs to broadcast the information to the mobile terminal. And occupying IP (Intelligent Peripheral) equipment when it is determined that the announcement is necessary, and transmitting a number for accessing the IP equipment to the mobile switching center.

1 is a diagram showing an overall network configuration according to an embodiment of the present invention.

2 is a diagram illustrating a signal flow for providing an intelligent network service to a mobile subscriber according to an embodiment of the present invention.

3 is a flow chart illustrating an overall operation according to the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In describing the present invention, if it is determined that the detailed description of the related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

Hereinafter, the present invention will describe a technique of routing from a mobile switching center (MSC) to an intelligent network based LBS (Location Based Service) system.

As mentioned above, the LSB system may be, for example, an enhanced call routing service (ECRS), a location based charging service (LBCS), a flight and asset management service (FAMS), and a location based information service (LSBI). .

The IS-771, currently an intelligent network specification (SPEC), has an "AnalyzedInformation" operation (or message) that is used to request service provision. In addition, the LBS specification J-STD-036 defines an "OriginationRequest" operation (or message) for emergency 911 (E911) service. However, the "AnalyzedInformation" operation is not provided in J-STD-036.

The "OriginationRequest" operation is provided only to the originating service subscriber in principle. However, since services such as LSBI and FAM are not originating services, the "AnalyzedInformation" operation cannot be used as it is. Accordingly, the present invention adds a parameter for location processing to the " AnalyzedInformation " to perform subscriber location processing so that it can be routed to an intelligent network even if it is not an originating service.

1 illustrates an overall network diagram according to an embodiment of the present invention.

Referring to FIG. 1, a mobile station (MS) 101 means a mobile communication terminal. The mobile station 101 may be a legacy voice terminal that does not support IP or a future terminal that supports IP. A base transceiver system (BTS) 102 manages radio resources and is a device that substantially exchanges information with a terminal through a radio link. A base station controller (BSC) 103 is a device for controlling base stations (BTSs) and supports signal protocols such as call setup and release. The switching center (MSC) 104 is responsible for mobility management and voice call processing for circuit mode service subscribers. Home Location Register (HLR) 109 is a database that stores and manages subscriber parameters and location information for all mobile terminals registered in the network. That is, the HLR 109 registers important data such as access capability, basic service, and additional service of the mobile terminal 101 and performs a routing function to the called subscriber. Here, the control station 103 may be connected to the Public Data Switched Data Network (PDS) 110 for packet-based services.

SCP105 is an intelligent network system for providing location based services to mobile terminal 101. Hereinafter, the intelligent network system will be described assuming that the FAM system and the LBIS system. Coordinate Routing Database (CRDB) 106 is connected to the intelligent network system 105 and manages an Emergency Service Zone (ESZ) for each location (cell / sector) or position (latitude, longitude), and each emergency service zone. It manages information (EmergencyServiceRoutingDigit) which can be routed to PSAP (Public Safety Answering Point) in charge. Mobile Position Center (MPC) 107 is responsible for interfacing with the switching center 104 for " location service ". The mobile location center 107 selects a corresponding positioning entity (PDE) to determine the position of the mobile terminal 101, and stores and controls position data from the positioning entity. In addition, the mobile location center 107 may forward the ESED capable of routing the ESC to the switching center 104. The Position Determining Entity (PDE) 108 determines the position of the mobile terminal 101 when the mobile terminal 101 is calling or in a call. Here, the positioning entity 108 provides one or more positioning techniques (or Location Determining Algorithm (LDA)), on the other hand, Emergency Service Network Entity (ESNE) 109 is used for voice or emergency call (Emergency Call) Enables processing of TDD (Telecommunication Device for Deaf) / TTY (Teletypewriter) information.

In the network structure as described above, the present invention routes to the intelligent network system 105 using the above-described "AnalyzedInformation" operation (hereinafter referred to as "service request message") at the switching center 104. For the routing, the service request message is added with an information field as shown in Table 1 below.

Parameters added Remarks EmergencyServiceRoutingDigits Parameters of OriginationRequest MobileCallStatus Parameters of OriginationRequest MobilePositionCapability Parameters of OriginationRequest MobInfo CDMA "Macro" Parameters of OriginationRequest NetworkTMSI Parameters of OriginationRequest OriginationIndicator Parameters of OriginationRequest

In Table 1, the parameter "EmergencyServiceRoutingDigits" is information indicating routing to the intelligent network server, the parameter "MobileCallStatus" is information identifying a validation status of a mobile subscriber or an access status of a mobile station for a specific call initiation, The parameter "MobilePositionCapability" is information indicating location information of a geographical type that a mobile subscriber can provide to the network, and the parameter "MobInfo CDMA" Macro "indicates collection information necessary for determining the location of a mobile subscriber currently operating in CDMA mode. .

On the other hand, the response message (AnalyzedInformation ReturnResult) to the service request message is added to the information field shown in Table 2 below.

Parameters added Remarks GenericDigits Parameters of ORREQ ReturnResult GeographicPosition Parameters of ORREQ ReturnResult

The routing operation from the MSC104 to the intelligent network system (FAM) 105 based on the network configuration is as follows.

2 is a signal flow for providing an intelligent network service to a subscriber according to an embodiment of the present invention. In other words, FIG. 2 illustrates a signal flow for routing to an intelligent network system to provide an intelligent network service to a subscriber.

Referring to FIG. 2, first, a mobile subscriber (FAM service subscriber) 101 attempts to make a call for FAM service in step 201. As described above, the FAM service is a service for tracking the location and status of subscribers belonging to an arbitrary group. In other words, attempting a call for a FAM service means that a supervisor (e.g., parent, president, etc.) makes an outgoing call to determine the location of the undering (e.g., child, employee, etc.). For example, parents can use the FAM service to find lost children. The mobile subscriber makes a call to a specific phone number for requesting the FAM service. The outgoing call reaches the switching center 104 via the base station 102 and the base station controller 103.

The switching center 104 then performs call processing for the mobile subscriber's call. That is, the switching center 104 translates the number received from the mobile terminal 101 to determine whether the call is a FAM service or a general call. If the call is for the FAM service, the switching center 104 transmits a service request message (AnalyzedInformation INVOKE) as shown in Table 2 newly defined according to the present invention to the intelligent network system (FAM server) 105 in step 203. As described above, the service request message includes specific parameters for location tracking processing (EmergencyServiceRoutingDigits, MobileCallStatus, MobInfo CDMA "Macro", NetworkTMSI, OriginationIndicator). For example, the parameters may use the parameters of "OriginationRequest" defined for the E911 service in specification J-STD-036.

Upon receiving the service request message, the intelligent network system 105 analyzes the service request message to determine whether a connection with an IP (Intelligency Peripheral) is necessary. For example, the IP device (not shown) may be an automatic guide system for providing additional services to subscribers. If it is determined that the connection with the IP device is necessary, the intelligent network system 105 transmits a resource occupancy signal SEZERRES (SeizeResource) to the IP device in step 205. Then, the IP device occupies the resource in step 207. In response to the signal, a temporary local directory number (TLDN) of the asset is obtained and transmitted to the intelligent network system 105.

In step 209, the intelligent network system 105 transmits a connection request message (CONNREQ) including the temporary local directory number of the IP device to the switching center 104. In response to receiving the association request message, the switching center 104 establishes a call between the mobile subscriber 101 and the IP device using the received temporary local directory number in step 211. Thereafter, the IP device and the mobile subscriber 101 communicate with each other in step 213. In this process, if the interaction between the mobile subscriber and the IP device is long, the intelligent network system 105 transmits a RESETTIMER signal for time extension to the switching center 104 in step 215. When the announcement ends, the intelligent network system 105 transmits an answer message (AnalyzedInformation ReturnResult) as shown in Table 2 for the service request message (AnalyzedInformation INVOKE) to the switching center 104 in step 217. Subsequently, in step 219, the call is established with the actual called number and a call is made between the called number and the FAM (LBIS) subscriber, or the location tracking for the underlining can be performed between the PDE108 and the mobile terminal 101. .

In order to clarify the above-described process as shown in the flow chart as shown in FIG.

Referring to FIG. 3, first, in step 301, the mobile subscriber 101 attempts to make a call to a specific phone number to receive the FAM service. Thereafter, in step 303, the switching center (MSC) 104 translates the number received from the mobile subscriber 101 to recognize the FAM service. In operation 305, the switching center 104 generates a service request message according to the FAM service and transmits the service request message to the FAM server. Here, the FAM service request message includes parameters for location tracking (MPCAP, MOBINFO) according to the present invention. In this case, the FAM server analyzes the service request message in step 307 to determine whether announcement to the FAM subscriber is necessary. If it is determined that the announcement is necessary, the FAM server processes an operation (seizeResource) for announcement to the IP device. That is, the seizure of the IP equipment (seizer), and in step 309 the FAM server transmits the number (TLDN) for access to the IP equipment to the switching center 104. At this time, the exchange 104 connects the FAM subscriber to the IP device using the number (TLDN) in step 311. Here, the FAM subscriber hears the announcement broadcast from the IP device. Thereafter, when the announcement is finished, in step 313, location tracking for the undering is performed through the PDE device.

Meanwhile, in the detailed description of the present invention, specific embodiments have been described, but various modifications are possible without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined not only by the scope of the following claims, but also by those equivalent to the scope of the claims.

As described above, the present invention can provide an intelligent network service such as Enhanced Call Service (ECRS), Location Based Charging Service (LBCS), Flight and Asset Management (FAMS), and Location Based Information Service (LBIS) in a mobile communication system. A technique for routing from a mobile switching center (MSC) to the intelligent network server is proposed. In other words, if an intelligent network service is available using these technologies, it is possible to provide more useful services to subscribers who are in crisis emergency, subscribers who need location tracking, and subscribers who need various services according to their current location.

Claims (4)

An apparatus for providing an intelligent network service in a mobile communication system, A mobile terminal for performing a call to a number for requesting the intelligent network service; And a mobile switching center configured to generate an intelligent network service request message including information necessary for the intelligent network service when the number for requesting the intelligent network service is received from the mobile terminal and to transmit the intelligent network service request message to the intelligent network server. The method of claim 1, When receiving the service request message, it is determined whether the guide broadcast with the mobile terminal is necessary, and when it is determined that the guide broadcast is necessary, the IP (Intelligent Peripheral) equipment is occupied, and the number for access to the IP equipment is determined by the mobile switching center. The apparatus further comprises the intelligent network server for transmitting to. The method of claim 1, The intelligent network server, characterized in that for providing a location based service (LBS). In the method for providing intelligent network service in a mobile communication system, Performing a call by a mobile terminal to a number requesting an intelligent network service; Receiving, by the mobile exchange, a number requesting the intelligent network service from the mobile terminal, generating and transmitting an intelligent network service request message including information necessary for the intelligent network service to the intelligent network server; When the service request message is received, the intelligent network server determines whether a guide broadcast with the mobile terminal is required, and when it is determined that the guide broadcast is necessary, occupies IP (Intelligent Peripheral) equipment, and accesses to the IP equipment. And forwarding a number to said mobile switching center.