KR100227797B1 - Method for controlling sms center in the digital mobile communication system - Google Patents

Abstract

The present invention relates to a short message service of a digital mobile communication system. 7 Database storage, retrieval, and deletion by receiving short delivery request of mobile network subscriber through signaling network, short delivery request of PSIN subscriber through R2 signal connection, and short delivery request from data network or internet for providing additional service. An application service control means of a short service center and a method of controlling the same are provided in a digital mobile communication system for delivering a short message to a called subscriber in accordance with a delivery request condition.

Description

Application service control means of short service center and control method in digital mobile communication system

The present invention relates to a short message service in a digital mobile communication system, and more particularly, to a method of controlling an application service in a short message service center (hereinafter referred to as SMSC) of a digital mobile communication system.

Providing a short message service using a mobile communication means enables a subscriber carrying a mobile terminal to send and receive a message of a limited size anytime, anywhere, following voice information transfer between mobile subscribers. To this end, the SMSC in a mobile communication network is a system for relaying a limited length of text information between end terminals called Short Message Entity (SME). The message delivery service must guarantee that the originating subscriber's message is delivered correctly anytime, anywhere, so that any message that needs to be delivered to the subscriber is lost even if any called party is out of the service area or the terminal is powered off. Should not be. In addition, messages should be delivered to the called party at a specific point or at a specified time delay. Therefore, the SMSC has a function of storing a message to be delivered to unreceivable subscribers in a database in the SMSC and delivering the message when it is recognized as a receiveable state. The application service control function is to control the overall service flow of the SMSC for such a short service.

To date, the cellular mobile communication system provides a service for transmitting and exchanging voice only, and a service for transmitting a text is not provided. The short call service similar to the mobile communication system may be referred to as wireless paging service (aka beep), but the difference between the wireless paging service and the short text service is that: 1) the service provider network is different; A short message is outputted to the caller. 3) The calling subscriber can check whether the message is received. 4) As an interactive service, it is easy to provide additional services such as weather and stock information depending on the application.

Therefore, in the present invention 7 Database storage, retrieval, and deletion by receiving short delivery request of mobile network subscriber through signaling network, short delivery request of PSIN subscriber through R2 signal connection, and short delivery request from data network or internet for providing additional service. The purpose of the present invention is to provide a service control and processing flow of an application service control means for delivering a short message to a called subscriber in accordance with a delivery request condition.

Application service control means of the short service center in the digital mobile communication system according to the present invention for achieving the above object is an application service control unit for performing a service control function required for providing an application service using a short message, and And a system timer controller for performing a time management function of the application service controller.

In addition, in the digital mobile communication system according to the present invention, a method for controlling an application service of a short service center may include receiving a short message from an originating subscriber at the short service center and delivering the received short message to a called party; Processing the delivery result after delivering to the called subscriber; processing the user's response after delivering the short message to the called subscriber; and receiving the short message to the request for deletion of the cellular message teleservice message. And deleting the corresponding message from the database, and receiving the mobile station activation information after the called subscriber is activated to store the billing data and statistics.

1 is a structure diagram of a CMS network to which the present invention is applied.

2 is a conceptual diagram of a short service center configuration function according to the present invention.

3 is a configuration diagram of an application service control function and an association function according to the present invention.

4 is an internal configuration diagram of an application service control function according to the present invention.

5 is a flowchart of a short message receiving and delivering process according to the present invention.

6 is a flow chart of a short message delivery result processing according to the present invention.

7 is a professional message user response processing flow chart according to the present invention.

8 is a flowchart for processing a short message deletion request according to the present invention.

9 is a process flow diagram when activating a short service subscriber according to the present invention.

* Explanation of symbols for main parts of the drawings

401: application service control block 402: application service control unit

403: Celola message teleservice module

404: Cellola paging teleservice module

405: Operation and Management Module

406: Service Provider Interface Module

407: notification module 408: system timer control unit

The application service control function of the SMSC proposed in the present invention is a top-level application program for a short service and controls the overall service flow through a database.

In addition, the application service control procedure of the short message service center proposed in the present invention is invented as software mounted on a commercial hardware device to provide an efficient short message service in a mobile communication system, and the CMT, CPT, VMN, EMN, etc. In order to manage the overall flow and provide efficient service, the message input based processing operation structure is applied.

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

FIG. 1 is a CDMA mobile system (CMS) network structure to which the present invention is applied, in which the SMSC 101 node is added to the CDMA digital mobile communication system. Short service mobile station (SMS Mobile Station: 102) is a protocol processing function for IS-637 short service, EIA-232-E interface (hereinafter referred to as I / F) function with PC, for short service A mobile subscriber station supporting a Man-Machine Interface (MMI) function, and wireless connection with a base station (hereinafter referred to as BTS) 103 is achieved.

The BTS 103 supports a short message transmission / reception function through an access / paging channel, and the control station (Base Station Controller: BSC) 104 transmits a short message transmission / reception function and a data burst message through a traffic channel. Format conversion / reverse conversion, and service option handling.

Switching station (Mobile Switching Center: MSC) 105 is a transport protocol processing function for IS-637 short message service, representative number identification and access function of SMS-MC (102), public switched telephone Natwork (hereinafter referred to as: PSTN) provides a relay call processing and trunk connection function through the R2 / MFC signal processing from the SMS-MC (102). Visitor Location Register (VLR) in MSC 105 provides short message originating subscriber authentication function, outgoing and incoming short service subscriber information search function, routing function to incoming SMSC 101, incoming and outgoing subscriber not having location registration. Performs the location registration function.

Home Location Register (hereinafter referred to as HLR) 106 supports mobile subscriber information management function, routing information management function, short service charging classification function, short service authentication function, and short message receiving function notification function of called terminal. do.

The SMSC 101 is a system that performs a short message service that delivers a simple character string in the form of a limited size message between the mobile station and the mobile station and between the mobile station and the SME. It is connected by 7 signaling method and supports store-and-forward function which is a characteristic of non-real time message delivery using SMS Mobile Application Part (hereinafter referred to as MAP) protocol. It is also connected to the Public Switched Packet Data Network (hereinafter referred to as PSPDN) via X.25 or Ethernet protocol for matching with the Service Provider (107). It provides additional services that can be expressed in short messages such as road traffic information, credit card authentication and inquiry, remote monitoring and automatic vehicle navigation.

2 is a conceptual diagram of an SMSC configuration function according to the present invention. Intelligent SMS platform 201 provides a fault tolerant UNIX computing server. It supports 7-based intelligent network (IN) capability, intelligent peripheral device (IP) capability with some independent switching function, and data network service access capability.

The SMS service logic 202 is a functional model of the SMS application subsystem, and is composed of functional process modules for each SMS application service (eg, CPT, CMT, VMN, etc.), and controls the storage / delivery of short messages per application service. It defines classification of transmission method by message type, grasps location information and reception status of SMS, and access to short message database.

SMS Service Application Programming Interface (hereinafter referred to as API) Function (206) Model CMS Service I / F (207), PSTN Service I / F (208) and SP Service I / F (209) modules Each function functions as an IN matching subsystem, an IP control subsystem, and a service provider matching service system. Each service I / F module is an API of SMS service logic. Each service I / F module is modeled in the form of a dedicated processor to support the connection of various complex external networks.

The SMSC Operational Maintenance (204) functional model is defined as TNN (TMN: TMN) model, which is the standard of operation maintenance standard, and consists of the Manager function of the SMSC and the Agent function of the TMN network. Fault management, system configuration management, billing, and statistical information management in modules, IP modules, and DB centers are performed. Each operation management information is stored and managed in the form of a management information base (hereinafter referred to as MIB) 205.

The SM database management system 203 manages all data related to the process until the successful reception of the received short message for each application service by inquiring the reception status of the incoming SME.

3 is a block diagram of an application service control function and an association function in the SMSC according to the present invention. IP Call Control (hereinafter referred to as IPCC) block 305 is an E1 R2 / MFC access process, announcement broadcast, and dual tone multi-frequency (DTMF) for processing short service request of PSTN subscriber origination. A short message is generated through a process such as a reception and a delivery request is made to an application service block (hereinafter referred to as SAP) 301.

MAP (hereinafter referred to as MAPC) block 304 for CDMA is a communication path for providing short service to mobile subscribers. 7 performs signal processing and performs a teleservice protocol protocol processing function for a short service to perform a short message delivery request and a forwarding function to the SAP 301.

The Service Provider Interface Module (hereinafter referred to as SPIM) block 306 is a block for connecting with a service provider to provide an additional short service, and receives a short service request required through a data network or the Internet. Forward to 301.

The short database (hereinafter referred to as SMDB) 302 is the same as 203 and provides SAP with an API that performs functions such as storing, retrieving, and deleting a short message.

The local service (hereinafter referred to as LSP) block 307 serves as a simulated service provider to deliver a short service through an operator. That is, the operator who receives the short message to be delivered to any called subscriber through voice purification inputs the short message to be delivered to the short message input screen provided by the LSP 307 and requests the short message delivery to the SAP 301.

Charging (CHA) 303 block collects billing data for short service and collects billing data for all short messages and delivers it to the central billing center (CAMA). The SAP 301 generates a billing record for all short messages at the end of the service (i.e., deletes it from the DB) and passes it to the CHA 303. The CHA 303 sends a SPIM ( Billing data is sent to CAMA via 306).

The Statistics (STAtistics: STA) block 308 is a function of collecting statistical data for a short service. The SAP 301 collects statistical data on service type, time, etc. of all short messages, and delivers the collected data at the request of the STA 308.

The SAP 301 block receives a short service delivery request from neighboring related blocks and delivers it to the called subscriber through the MAPC 304, which will be described in detail with reference to FIG.

4 is a configuration diagram of an application service control function according to the present invention. The application service control block 401 consists of two executing processes. The SAP 402 performing practical application service control is composed of five modules. Part 403 that handles Cellular Message Teleservice (hereinafter referred to as CMT) that provides up to approximately 160 character delivery service, and Cellular Paging (Cellular Paging) that provides delivery service up to about 63 characters Teleservice: A part that processes C404 (hereinafter referred to as CPT), and a service provider interface (hereinafter referred to as SPI) that processes the delivery of additional information from a service provider to provide additional services such as news, weather information, and stock information. Processing portion 406, and a voice mail notification function for notifying that a voice message has been delivered to the voice mail box, and a notification for notifying the arrival information of an e-mail and the arrival information of a fax. ) Portion 407. The System Timer Control (hereinafter referred to as STC) 408 execution module provides time management function to the SAP 402, and manages time such as notification of designated time and valid time among user options of the CMT service. Perform the function.

5 to 9 are short service processing flowcharts of an application service control block according to the present invention.

5 is a flowchart illustrating a process of receiving a short message from an originating subscriber and delivering the received short message to the called subscriber in the SMSC according to the present invention. After the initialization of the application service control block is activated, the transition to the message reception standby state (500). Upon receiving the short message delivery request in the reception standby state 500 (501), it is determined whether or not the processing function (502) according to the presence of the free time table among the resources of the SAP if the processing is not possible notified to the outgoing subscriber (504) Send and enter the reception standby state (500), and if possible to store the received short message in the database (503). If the validity period or the designated time is specified among the options of the received short message, it is checked (505). If it is specified, the STC process requests time management, and the STC registers the time management request in the table (507). It checks whether only a designated time is required (506). If only a valid time is requested, a delivery message is generated and transmitted to the called party (509). The STC searches the time management table at regular intervals and notifies the SAP that it has timed out when it reaches the requested time (508). Receiving a delivery result message (510) determines whether the delivery success (511), if successful, charging data transmission (512) and statistical data for the successful delivery is stored (513). If the delivery fails, it is checked for permanent failure (514). If the delivery fails due to a temporary reason such as the power-off status of the called subscriber, the corresponding message transmission failure counter in the database is increased (515) and returned to the reception standby state. 500, there is no need to retransmit the message, so the status of the SMS authority does not need to be retransmitted, and thus the charging data transmission 516 and the statistical data including the transmission failure information are stored 517. When the storage of the statistical data is complete, the process proceeds to an acknowledgment processing routine 518.

6 is a flowchart of a short message delivery result processing according to the present invention, and is a flowchart of a delivery acknowledgment after delivery of the short message of FIG. 5. If the message delivery operation is completed in FIG. 5 and the Delivery Acknowledgment Request (DAK_REQ) option is specified (601), the delivery result notification message is generated according to the message delivery result in FIG. Notify the message (602). The operation flow after the transmission result reception 603 for the delivery result notification message is the same as the operation after step 510 of FIG.

7 is a flowchart of a user acknowledgment process after the short message is delivered according to the present invention. Incoming subscribers who receive the short message can send their own response message if the user acknowledgment option is specified in the received short message. If the short message is sent, the short message service center receives the user acknowledgment message. (701). Upon receiving the UserAck message, the short service center generates a UserAck delivery request message and transmits it to the calling subscriber (702). The operation flow after receiving the transmission result 703 for the UserAck message is the same as the operation after step 510 of FIG.

8 is a process flow diagram for a CMT message deletion request according to the present invention. When the SAP receives the CMT message deletion request message in the reception standby state (801), the database is searched to determine whether deletion is possible (802). As a result of determination, when the delete request target message exists in the database, the corresponding message is deleted from the database (803), the charging data for the deleted message is transmitted (804), and the statistical data on the deleted message is stored ( 805). Next, a deletion result message is generated and delivered to the calling subscriber (806). At this time, if the message corresponding to the deletion request does not exist in the database, the result of the message indicating that the message has already been delivered is delivered. The operation flow after the reception result 806 of the cancellation message is the same as the operation after step 510 of FIG.

9 is a flow chart of the processing of the short service center when the called subscriber according to the present invention is activated, which corresponds to the operation after step 812 of FIG. That is, when the message delivery fails due to a temporary failure of the called party, the HLR, which recognizes the activation of the called party, notifies the short service center of the activation of the called party and the SAP receives the called party activation information (901). . The SAP determines whether there is a message to be delivered to a corresponding called party and a delivery time condition through a database search 902 (904). If there is no message to be delivered, it returns to the reception standby state. Otherwise, a delivery request message is generated and delivered to the called party (905). The operation flow after the transmission result reception 906 for the transmission message is the same as the operation after step 510 of FIG. 5, and operation 904 for all messages to be delivered to the corresponding subscriber stored in the database. This is repeated (903).

As described above, the present invention has an excellent effect that can be used not only to provide a short service of a digital mobile communication system but also to provide a short service of a future personal mobile communication (PCS) and a future public land mobile communication system (FPLMTS).

Claims (8)

Short service in a digital mobile communication system comprising an application service control unit performing a service control function required for providing an application service using a short message, and a system timer control unit performing a time management function of the application service unit. Application service control means in the center. The method of claim 1, wherein the application service controller is configured to provide a cellular message teleservice module for providing a maximum of 160 characters, a cellular paging teleservice module for providing a maximum of 63 characters, and an additional service. A service provider interface module for handling the delivery of additional information from the service provider, a notification module for notifying the voice mail notification function and the arrival information of the e-mail and the arrival information of the fax, the cellular message teleservice module, and cellular paging. Application service control means of a short service center in a digital mobile communication system, characterized in that consisting of the operation and management module for operating and managing the teleservice module, service provider interface module and notification module. A first step of receiving a short message from an originating subscriber in a short message service center and delivering the received short message to a called subscriber; a second step of delivering the short message to a called subscriber and processing a delivery result; A third step of processing the user's response after delivering the message to the called subscriber; a fourth step of the called subscriber receiving the short message deleting the corresponding message from the database in response to the deletion request of the cellular message teleservice message; And a fifth step of receiving charging information and statistics by receiving mobile station activation information after the called subscriber is activated. 4. The method of claim 3, wherein the first step comprises: receiving a short message delivery request in a reception wait state and determining whether to process the message; and if it is impossible to process the result, sending a notification of no processing to the calling subscriber. Entering a reception waiting state, storing the received short message in a database if the processing result is determined that the processing is possible, and checking whether a valid time and a specified time are specified among the options of the received short message; Requesting time management to a service timer control unit, registering a time management request received from the service timer control unit to a table, if the validity time and a specified time are determined as a result of the check; When specified by the service timer control unit stored in the table If only the valid time is required and the delivery time message is generated, the delivery message is generated and transmitted to the called subscriber. Searching for and requesting that the time-out has been made to the service application unit when the requested time is reached; and if the receiving subscriber who has received the delivery result message determines whether the delivery is successful, the billing data transmission and statistical data on the success of the delivery are transmitted. Storing and performing an approval processing routine; and if the delivery is unsuccessful, checking whether it is a permanent failure, and if it is a temporary failure, increasing the corresponding message transmission failure counter in the database and returning to the reception standby state. Wow, whether the delivery was successful And processing the approval processing routine after storing the billing data transmission and the statistical data storing the delivery failure information which is a permanent failure as a result of the determination of the application service control method of the short service center in the digital mobile communication system. 4. The method of claim 3, wherein the second step checks whether a message delivery operation is completed and a delivery response request option is specified, and if not, whether to enter a receiving proxy state and whether the delivery response request option is specified. If the result of the check is specified, generating a delivery result notification message according to the message delivery result and notifying the calling subscriber; and if the calling subscriber that has received the delivery result notification message determines whether the delivery is successful, And performing the approval processing routine after storing the billing data transmission and statistical data for the billing, and if the delivery fails as a result of the determination of whether the delivery is successful, checking whether the message is a permanent failure. Incrementing and returning to the standby state, Application service control of a short service center in a digital mobile communication system comprising the step of processing the approval processing routine after storing the billing data transmission and the statistical data storing the delivery failure information which is a permanent failure as a result of the determination of the success of delivery. Way. 4. The method of claim 3, wherein the third step comprises a step of user assignment to a short message received by the called subscriber, and transmits a response message thereof to the short service center, and the short service center receiving the user response message is a user. Generating and transmitting a response delivery request message to the calling subscriber, and if the calling subscriber that has received the user response delivery request message determines the success of the transmission, if the success is successful, charging data transmission and statistical data on the success of the transmission is stored. Performing an acknowledgment routine, and if the delivery is unsuccessful, checking whether it is a permanent failure, and if it is a temporary failure, incrementing the corresponding message transmission failure counter in the database and returning to the reception standby state; Determination of delivery failure information And processing the approval processing routine after storing the billing data transmission and the statistical data including the data. 4. The method of claim 3, wherein the fourth step comprises: when the application service unit receives the request for deleting the cellular message teleservice message in the reception standby state, searching the database to determine whether the deletion is possible, and deleting the determination result of the deletion. And if the message to be deleted exists in the database, deleting the message from the database, transmitting billing data for the deleted message, and storing statistical data on the deleted message; If it is not possible, storing the statistical data, deleting the statistical data, generating a deleted elapsed message, and delivering the message to the calling subscriber, and determining whether the calling subscriber that received the deletion result message is successful. If successful, transfer billing data for successful delivery Storing the transmission and statistical data, and performing an approval processing routine; if the delivery fails, if the delivery fails, check whether it is a permanent failure, and if the failure is temporary, increase and receive a corresponding message transmission failure counter in the database. And returning to the standby state, and storing the charging data and the statistical data including the delivery failure information which is the permanent failure as a result of the determination of the success or failure of the delivery, and processing the approval processing routine. Method of application service control in short service centers. [5] The method of claim 3, wherein in the fifth step, when the message delivery fails due to a temporary failure of the called subscriber, the home location register that recognizes the activation of the called subscriber is notified to the short service center of the activation of the subscriber. The mobile station may further include receiving the called subscriber activation information and determining whether there is a message to be delivered to the corresponding called subscriber and the delivery time condition by searching the database in the service application unit that has received the called subscriber activation information; If there is no message to be transmitted as a result of the determination of the existence of the message to be returned, returning to the reception standby state, and if there is a message to be delivered, generating a delivery request message and delivering the message to the called party, and receiving the delivery result message Incoming subscriber judges success of delivery And if successful, storing the billing data transmission and the statistical data on the success of the delivery, and then performing the second step and determining whether there is a message to be delivered to the called subscriber and determining a delivery time condition; As a result of the determination of whether the delivery is successful, if the delivery fails, it is checked whether it is a permanent failure. If it is a temporary failure, the message transmission failure counter in the database is increased, the second step is performed, and whether there is a message to be delivered to the called subscriber. And transiting to a step of determining a delivery time condition, and storing the charging data and statistical data including the delivery failure information that is a permanent failure as a result of the determination of whether the delivery is successful or not, and performing the second step. Judging the existence of the message to be delivered and the time of delivery condition Application service control method of a short service center in a digital mobile communication system, characterized in that the transition to the step of making.