KR0171014B1 - Control method of call-censor and position tracking function of digital mobile radio communication exchanger - Google Patents

Abstract

The present invention relates to a control method for subscriber call monitoring and location tracking function. According to the present invention, when a digital mobile communication switch performs a call watch activation and call watch result notification function, a call watch deactivation function, a location tracking activation function, a location tracking deactivation function, and a location tracking result notification function for a mobile subscriber. And a control method for the location tracking function.

Description

Control Method for Call Monitoring / Location Tracking Function of Digital Mobile Communication Switch

1 is a structural diagram of a digital mobile switching center (CMS-MX) to which the present invention is applied.

2A and 2B are control flow charts for a call-watch activation and call-watch result notification function for a mobile subscriber.

3 is a control flow diagram for a crush deactivation function for a mobile subscriber.

4 is a control flow diagram for a location activating function for a mobile subscriber.

5 is a control flow diagram for a location deactivation function for a mobile subscriber.

6 is a control flowchart for a location tracking result notification function for a mobile subscriber.

* Explanation of symbols for main parts of the drawings

100: digital mobile communication switch 101: control station

102: subscriber switching subsystem 103: connection network subsystem

104: central control subsystem 105: location registration application processor

106: LR call control unit 107: LR external interface unit

108: LR location register 109: call monitoring / location tracking processing unit

110: Subscriber Location Register / Certification Center

The present invention relates to a control method for subscriber call monitoring and location tracking function.

With the proliferation of cellular mobile communication that guarantees the mobility of subscriber terminals, authentication services to prevent illegal theft of subscribers, including call monitoring service to track and investigate the cause of subscriber's call habit or call history, and The introduction of high value-added services such as location tracking service that monitors the subscriber's location is in earnest.

In the conventional fixed network, since the subscriber is fixed to a specific exchange, the location of the service user who is on the phone can be tracked using only a phone number. However, since the mobile subscriber moves from time to time, the location tracking method considering the mobility is required.

In the conventional fixed network, the call habits and call histories of the service users could be tracked or investigated at the exchanges or billing centers to which the telephones are connected. There is a need for a method for tracking and investigating call habits and call history of service users.

The present invention is to provide a call monitoring and location tracking function for the mobile subscriber in the digital mobile communication switch.

Call monitoring is used by network operators or network operators to track and investigate the call history of specific service users to identify call habits. Location tracking is used to track the location of service users for security or special purposes.

An object of the present invention is to provide a call-watching activation and call-watching result notification function, a call-watch deactivation function, a location tracking activation function, a location tracking deactivation function, a location tracking result notification function to perform call monitoring and location tracking.

In order to achieve the above object, the present invention, in the digital mobile communication switch in the control method for the function of call monitoring / location tracking when performing call notification activation and call monitoring result notification to the mobile subscriber, the subscriber A first step of generating a call-watch activation message and receiving the generated message from the call-watching and location tracking function block when the mobile station is in a power supply state when the call register is registered in the location register / authentication center; A second step of analyzing the received message and retrieving the record of the mobile subscriber from the subscriber database; If the subscriber's record does not exist, the call-watch activation failure message is transmitted to the subscriber locator operator through the LR external interface and the function is terminated. If the subscriber's record exists, the call-watch activation field is updated and the call-watch activation is successful. Terminating performance of the function after transmitting the message; And when the call signal is completed or incomplete in the call-watching activation state, a call-watching result message is generated, and the generated message is received by the call-watching and positioning function block, and when the call-watching result message is received from the mobile station, the call-watching result is notified. And transmitting the message to the subscriber location register operator through the LR external interface and ending the function execution.

In addition, the present invention provides a control method for a call monitoring and a location tracking function when performing a call watching deactivation function for a mobile subscriber in a digital mobile communication switch; When the mobile station is changed from the power supply state to the power-off state or the operator releases the call monitoring while the call monitoring is already registered in the subscriber's location registration / certification center, the call detection deactivation message is generated. A first step of receiving in the call monitoring and location tracking function block; A second step of analyzing the received message, searching for the record of the mobile subscriber from the visitor database, and examining whether the record exists; And if the subscriber's record does not exist, transmit the call-inactivation failure message to the subscriber locator operator through the LR external interface and terminate the function execution. If the subscriber's record exists, the call-watch field of the target subscriber record is updated. And at the same time, the third step of terminating the function execution after transmitting the successful inactivation message.

The present invention also provides a control method for a call monitoring / location tracking function when performing a location tracking activation function for a mobile subscriber in a digital mobile communication switch; A first step of generating a location tracking activation message and receiving the generated message from the call monitoring and location tracking function block if the mobile station is in a power supply state while the location registration is registered in the subscriber location register / authentication center; A second step of analyzing the received message, searching for the record of the mobile subscriber from the visitor database, and examining whether the record exists; And if the subscriber's record does not exist, the location activation activation message is transmitted to the subscriber subscriber register operator through the LR external interface unit, and the function execution is terminated. In case of location tracking subscriber, update location tracking field of location target subscriber record, and in case of periodic location tracking subscriber, update location tracking field and time management table of location tracking target subscriber record and simultaneously activate location tracking success message and subscriber Characterized in that the third step of transmitting the current location information of the.

In addition, the present invention, in the case of performing the location tracking deactivation function for the mobile subscriber in the digital mobile communication switch, in the control method for the call monitoring / location tracking function, the location registration has already been registered in the subscriber subscriber register / authentication center A first step of generating a location deactivation message and receiving the generated message from the call monitoring and location function block when the mobile station is changed from a power supply state to a power-off state or a location registration deregistration occurs; A second step of analyzing the received message and retrieving the record of the mobile subscriber from the subscriber database; And if the subscriber's record does not exist, the location tracking deactivation failure message is transmitted to the subscriber locator operator through the LR external interface and terminates the function execution. If the subscriber is a location tracking subscriber, update the location tracking field of the target subscriber record, and if the subscriber is a regular location tracking subscriber, update the subscriber record and time management table of the visitor database, and send the location deactivation success message. Characterized in that the third step to end.

In addition, the present invention provides a control method for the call monitoring / location tracking function in the case of performing a location tracking result notification function for a mobile subscriber in a digital mobile communication switch; When the location tracking cycle time managed by the time management table is reached or the mobile subscriber's location change occurs while the location tracking is already registered in the subscriber location register / authentication center, the location tracking notification message is generated and the generated message is crushed. A first step of receiving at the time and location functional block; And analyzing the received message to retrieve the corresponding subscriber's record from the visitor database, and transmitting the retrieved location tracking information to the subscriber subscriber register operator through the LR external interface and ending the function execution (602, 603). Characterized in that performed.

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

1 is a structural diagram of a digital mobile communication switch CMS-MX (CDMA Mobile System) to which the present invention is applied.

The CMS-MX Digital Service Switching Center (MSC) 100 is a control station (BSC: Base Station Control) 101 that performs call processing support functions such as exchanging and transcoding packet channels of traffic. And a Home Location Register / Authentication Center (HLR / AC) 110 that manages the subscriber's information.

The system level implementation unit of the MSC 100 includes an Access Switching Subsystem (ASS) 102, an Interconnection Networking Subsystem (INS) 103, and a Central Control Subsystem (CCS). It consists of the subsystems of 104 and the number of ASSs is determined by the required capacity.

ASS 102 is composed of subscriber and trunk line matching device, time switch, and various signaling devices, and is a subsystem that performs call processing function, and INS 103 is located at the center of the system and connects ASS to each other. It is responsible for number translation and routing functions.

The CCS 104 is loaded on the Location Register Application Processor (LRAP) 105 to execute and manage subscriber information and to perform LR call control (LCC) for external registration and mobile subscriber location registration. (106), LR external interface (LEI: LR External Interface) (107), LR location register (LLU: LR Location Update) (108) and call monitoring / location tracking processing unit responsible for call monitoring and location tracking (COLT) Call Observation and Location Trace).

2A and 2B are flowcharts of a control method for performing a call-watch activation and call-watch result notification function among mobile call subscribers and location tracking functions of the CMS-MX to which the present invention is applied.

If the mobile station (MS) is in the power-on state while the call monitoring is registered in the HLR / AC, it is a condition to generate a call watching activation message, and the generated message is received by the call monitoring and location tracking function block. (200). The received message is analyzed and the record of the mobile subscriber is searched from the subscriber database to check whether the record exists (201, 202). If the subscriber's record does not exist, the call-watch activation failure message is transmitted to the HLR operator through the LEI 107 and the function execution is terminated (203). The subscriber's record updates the call-watch field and succeeds at the same time. After transmitting the message, the function execution ends (204, 205). If the call signal is already completed or incomplete when the call is activated, it is a condition to generate a call result message. The generated message is received by the call watch and location tracking function block (206), and the MSO receives the call result result message. When receiving the message from the call result notification message to the HLR operator via the LEI and performs the function ends (207).

3 is a flowchart illustrating a control method for performing a call-inactive deactivation function for a mobile subscriber among the call-watching and location tracking functions of the CMS-MX to which the present invention is applied.

If the MS is already registered in the HLR / AC, and the MS is changed from the power supply state to the power-off state or the operator releases the call monitoring, it is a condition that can generate the disable the call monitoring message. Receive 300 in the call monitoring and location tracking function block. The received message is analyzed and the record of the mobile subscriber is searched from the subscriber database to check whether the record exists (301, 302). If the subscriber's record does not exist, it sends a crush deactivation failure message to the HLR operator through the LEI and terminates the function execution (303). If the subscriber's record exists, it updates the crush field of the target subscriber record. At the same time, after performing the crush deactivation success message, the function ends (304, 305).

4 is a flowchart illustrating a control method for performing a location tracking activation function for a mobile subscriber among call monitoring and location tracking functions of a CMS-MX to which the present invention is applied.

If the MS is powered on in the state where the location is registered in the HLR / AC, it becomes a condition for generating a location tracking activation message, and the generated message is received by the call monitoring and location tracking function block (400). The received message is analyzed and the record of the mobile subscriber is searched from the subscriber database to check whether the record exists (401, 402). If the subscriber's record does not exist, the location activation activation message is transmitted to the HLR operator through the LEI and the function is terminated (403). If the subscriber's record exists, the event-centered location is indicated to indicate whether the subscriber is a location tracking target. If you are a tracking subscriber, update the location field of the location target subscriber record, and if you are a periodic location subscriber, update the location field and time management table of the location target subscriber record, and simultaneously activate the location tracking success message and the subscriber's current Transmit location information (404-406). The time management table manages the cycle time for subscribers who are subject to periodic location tracking, and monitors the time management table periodically to retrieve the location tracking cycle time of subscribers, and then visits the location tracking information when the subscriber's location tracking report cycles. Retrieve from database and notify system operator.

5 is a flowchart illustrating a control method for performing a location tracking deactivation function for a mobile subscriber among the call monitoring and location tracking functions of the CMS-MX to which the present invention is applied.

If the MS is changed from the power supply state to the power-off state or the position registration deregistration occurs while the position is already registered in the HLR / AC, it becomes a condition to generate the position tracking deactivation message. Received by the location tracking function block (500). The received message is analyzed and the record of the mobile subscriber is searched from the subscriber database to check whether the record exists (501, 502). If the subscriber's record does not exist, a location deactivation failure message is transmitted to the HLR operator through the LEI and the function ends (503). If the subscriber's record exists, the event-centered location is checked to check the subscriber to be tracked. If the subscriber is a tracking subscriber, update the location field of the target subscriber record, and if the subscriber is a periodic subscriber, update the subscriber record and time management table of the visitor database and send the success message of location deactivation and terminate the function execution. (504, 505).

6 is a flowchart illustrating a control method for performing a location tracking result notification function for a mobile subscriber among the call monitoring and location tracking functions of the CMS-MX to which the present invention is applied.

If the location tracking cycle time managed by the time management table has been already registered in the HLR / AC, or if the location change of the subscriber occurs, it is a condition that can generate the location notification message. And at the location tracking function block (600). The received message is analyzed and the record of the mobile subscriber is searched from the subscriber database (601), and the retrieved location tracking information is transmitted to the HLR operator through the LEI and the function execution is terminated (603).

According to the present invention, there is an effect of performing a subscriber call monitoring and location tracking function which is a high value added service.

Claims (5)

A subscriber exchange sub-system connected to the control station and the subscriber location register / authentication center and performing a call processing function including a mobile signal matching function; A connection network subsystem that performs a space switching function and the like for interconnecting the subscriber switching subsystems; And a call monitoring activation and call monitoring result notification for the mobile subscriber in the digital mobile communication switch, comprising a central control subsystem including an LR call control unit, an LR location register, an LR external interface unit, and a call monitoring / location tracking processing unit. In the case of the control method for the call monitoring / position tracking function; If the mobile station is in a power supply state when the call register is registered with the subscriber location register / authentication center, a first call generating activation message is generated and the generated message is received by the call monitoring and location tracking function block (200). ); A second step (201, 202) of analyzing the received message and retrieving the record of the mobile subscriber from the visitor database, so that the record exists; If the subscriber's record does not exist, the call-watch activation failure message is transmitted to the subscriber locator operator through the LR external interface and the function is terminated. If the subscriber's record exists, the call-watch activation field is updated and the call-watch activation is successful. A third step (203-205) of ending the function execution after transmitting the message; When the call signal is completed or incomplete in the call-watching activation state, a call-watching result message is generated, and the generated message is received by the call-watching and position tracking function block.When the call-watching result message is received from the mobile station, the call-watching result notification message And a fourth step (206, 207) of transmitting to the subscriber location register operator through the LR external interface and terminating the function execution, for the call monitoring / location tracking function of the digital mobile communication switch. A subscriber exchange sub-system connected to the control station and the subscriber location register / authentication center and performing a call processing function including a mobile signal matching function; A network subsystem that performs a space switching function for interconnecting the subscriber switching subsystems; And a central control subsystem including an LR call control unit, an LR location register, an LR external interface unit, and a call monitoring / position tracking processing unit. A control method for the time and position tracking function; If the mobile station is changed from the power supply state to the power-off state or the operator releases the call monitoring state when the call monitoring device is already registered in the subscriber location register / authentication center, the call detection deactivation message is generated. A first step (300) of receiving a call monitoring and location tracking function block; A second step (301, 302) of analyzing the received message and retrieving the record of the mobile subscriber from the visitor database to check if the record exists; And if the subscriber's record does not exist, transmit the call-inactivation failure message to the subscriber locator operator through the LR external interface and terminate the function execution. If the subscriber's record exists, the call-watch field of the target subscriber record is updated. And at the same time, a third step (303-305) of terminating function execution after transmitting a successful call deactivation success message. A subscriber exchange sub-system connected to the control station and the subscriber location register / authentication center and performing a call processing function including a mobile signal matching function; A network subsystem that performs a space switching function that interconnects the subscriber switching subsystems; And a central control subsystem including a LR call control unit, an LR location register, an LR external interface unit, and a call monitoring / location tracking processing unit, when performing a location tracking activation function for a mobile subscriber. A control method for the time / position tracking function; A first step 400 of generating a location activation message and receiving the generated message from the call monitoring and location tracking function block when the mobile station is in a power supply state while the location registration is registered in the subscriber location register / authentication center. ; A second step (401, 402) of analyzing the received message and retrieving the record of the mobile subscriber from the visitor database to check if the record exists; And if the subscriber's record does not exist, the location activation activation message is transmitted to the subscriber subscriber register operator through the LR external interface unit, and the function execution is terminated. In case of location tracking subscriber, update location tracking field of location tracking target subscriber record, and in case of periodic location tracking subscriber, location tracking activation message and time management table are updated simultaneously with location tracking activation message and subscriber And a third step (403-406) of transmitting the current position information of the control method for the call monitoring / location tracking function of the digital mobile communication switch. A subscriber exchange sub-system connected to the control station and the subscriber location register / authentication center and performing a call processing function including a mobile signal matching function; A network subsystem that performs a space switching function for interconnecting the subscriber switching subsystems; And a digital mobile telecommunication switch comprised of a central control subsystem including an LR call control unit, an LR location register, an LR external interface unit, and a call monitoring / location tracking processing unit, when performing a location tracking deactivation function for a mobile subscriber. A control method for the time / position tracking function; If the mobile station changes from the power supply state to the power-off state or if the location registration deregistration occurs while the location registration has already been registered in the subscriber location register / authentication center, the location tracking deactivation message is generated and the generated message is monitored. And a first step 500 of receiving the location function block; A second step (501, 502) of analyzing the received message and retrieving the record of the corresponding mobile subscriber from the visitor database to check if the record exists; And if the subscriber's record does not exist, the location tracking deactivation failure message is transmitted to the subscriber subscriber register operator through the LR external interface, and the function execution is terminated. If the subscriber is a location tracking subscriber, update the location tracking field of the target subscriber record, and if the subscriber is a regular location tracking subscriber, update the subscriber record and time management table of the visitor database, and send the location deactivation success message. Control method for the call monitoring / location tracking function of the digital mobile communication switch, characterized in that performed in the third step (503-505) to terminate the. A subscriber exchange sub-system connected to the control station and the subscriber location register / authentication center and performing a call processing function including a mobile signal matching function; A network subsystem that performs a space switching function that interconnects the subscriber switching subsystems; And a central control subsystem including a LR call control unit, an LR location register, an LR external interface unit, and a call monitoring / location tracking processing unit, when performing a location tracking result notification function for a mobile subscriber. In the control method for the call monitoring / location tracking function, when the location tracking cycle time managed by the time management table has already been registered in the subscriber location register / authentication center or the mobile subscriber location changes, Generating a tracking notification message and receiving the generated message in a call-watching and positioning function block (600); And analyzing the received message to retrieve a record of the mobile subscriber from the visitor database, and transmitting the retrieved location tracking information to the subscriber location register operator through the LR external interface and ending the function execution. Control method for the call monitoring / location tracking function of the digital mobile telecommunication switch.