KR100881423B1 - System for Providing Electronic Surveillance in Mobile Communication Network and Method Therefor and Apparatus Therefor - Google Patents

Abstract

The present invention relates to an electronic surveillance system, a method thereof and an apparatus therefor in a mobile communication network.

To this end, the present invention provides an electronic monitoring method of an electronic surveillance system for performing an electronic surveillance for a particular subscriber terminal at the request of an electronic surveillance request authority, the method comprising: receiving a mobile communication service request from a subscriber terminal; Determining whether the subscriber station is the subject of electronic monitoring by examining the subscriber service profile for the subscriber station; And when the subscriber station is determined to be the target of the electronic monitoring, the electronic surveillance information generated while the subscriber terminal uses the mobile communication service, wherein the electronic monitoring information is a service generated in the process of receiving the mobile communication service from the subscriber terminal. Copying the call-related message or the service data according to the service call to the electronic surveillance requesting authority.

According to the present invention, an electronic surveillance function of a mobile communication service subscriber is effectively provided according to the electronic surveillance request, thereby effectively providing an electronic surveillance function for voice, packet, and multimedia services used in the subscriber's portable terminal.

Mobile Internet, Electronic Surveillance, Subscriber Information, Call Processing

Description

System for Providing Electronic Surveillance in Mobile Communication Network and Method Therefor and Apparatus Therefor}

1 is a configuration diagram schematically showing an electronic monitoring system according to an embodiment of the present invention.

2 is a configuration diagram schematically showing the structure of an electronic monitoring apparatus according to an embodiment of the present invention.

3 is a configuration diagram schematically showing the structure of an ACR according to an embodiment of the present invention.

4 is a flowchart illustrating an electronic monitoring process according to an embodiment of the present invention.

5 is a flowchart illustrating a process of terminating electronic monitoring according to an embodiment of the present invention.

The present invention relates to an electronic surveillance system, a method thereof and an apparatus therefor in a mobile communication network. More particularly, the present invention relates to a method, an apparatus, and a system according to the present invention, which perform an electronic surveillance for a subscriber of a mobile communication service according to an electronic surveillance request.

The broadband wireless access system refers to a next generation communication method that further supports mobility in a short range data communication method using a fixed access point like a conventional WLAN. Various standards have been proposed for such a broadband wireless access system, and international standardization of a broadband wireless access system is actively underway in IEEE 802.16e.

On the other hand, recent cases of using advanced communication technology such as broadband wireless access system to various crimes and terrors that occur frequently, and efforts to further develop and improve the electronic surveillance function in order to effectively respond to such crimes and terrors are increasing. . However, the continuous development of new communication systems and the development of existing communication systems have become a factor that makes it difficult to carry out such electronic surveillance, and thus there is an active discussion around the world that obliges telecommunication service providers to provide legal electronic surveillance functions. In the process.

Electronic surveillance means that the law enforcement agency that has obtained the legal right collects the communication information of the subscriber. In order for service providers to perform such electronic surveillance functions, it is necessary to completely separate electronic surveillance information from third parties through appropriate means, such as encryption, to prevent infringement of personal human rights due to illegal third party abuse of electronic surveillance information. There is.

Therefore, in order to effectively cope with various crimes and terrorism, various countries in the world are trying to develop and efficiently operate the legitimate electronic surveillance function.

However, with the emergence of various new communication systems and services, the electronic surveillance function is becoming more complicated. Law enforcement agencies and standardization agencies in each country have established standard operation standards for each communication system for standardized electronic surveillance and satisfy the standards. You have to develop a problem.

In order to solve this problem, the present invention provides a system, a method, and an apparatus capable of effectively providing an electronic monitoring function for voice, packet, and multimedia services used in a mobile terminal of a subscriber in a mobile communication system.

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In order to achieve the above technical problem, the present invention provides an electronic surveillance apparatus for providing electronic surveillance information on a specific subscriber terminal to an electronic surveillance requesting organ, wherein the electronic surveillance initiation or electronic surveillance termination request is received from the electronic surveillance requesting institution. An operation processing unit; And a transmission processing unit requesting the home subscriber server to start or terminate the electronic monitoring of the subscriber station when the electronic monitoring start or electronic monitoring end request is received from the operation processing unit.

In addition, the electronic monitoring method of the electronic surveillance system for performing the electronic monitoring for a specific subscriber terminal at the request of the electronic surveillance request authority, comprising: receiving a mobile communication service request from the subscriber terminal; Determining whether the subscriber station is the subject of electronic monitoring by examining the subscriber service profile of the subscriber station; And when the subscriber station is determined to be the subject of electronic monitoring, the electronic surveillance information generated while the subscriber station uses the mobile communication service, wherein the electronic monitoring information is provided by the subscriber station to provide the mobile communication service. And copying the service call related message or the service data according to the service call generated in the receiving process to the electronic monitoring requesting authority.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

In addition, when a part is said to "include" a certain component, this means that it may further include other components, except to exclude other components unless otherwise stated.

1 is a configuration diagram schematically showing an electronic monitoring system according to an embodiment of the present invention.

Referring to Figure 1, the electronic surveillance system according to an embodiment of the present invention is a base station (RAS: Radio Access Station, hereinafter referred to as "RAS") 120, the control station (ACR: Access Control Router, hereinafter referred to as "ACR" 130, a router 140, a home agent (HA) (hereinafter referred to as HA) 150, an electronic surveillance apparatus 160, an electronic surveillance request authority 170, and an IP multimedia. Subsystem (IMS: IP Multimedia Subsystem, hereinafter referred to as 'IMS') 180 is included.

The portable subscriber station (PSS) 110 corresponds to a user terminal as an end point of a wireless channel, and uses a transmission / reception function and a medium access control (MAC) processing function according to a wireless access standard of the portable Internet system. ) To send and receive high speed packet data.

The mobile terminal 110 according to the embodiment of the present invention monitors service calls and service data including voice calls, packet calls, multimedia calls, etc. generated during the use of the mobile communication service by the electronic monitoring request authority 170. The receiving terminal.

The RAS 120 receives a radio signal from the mobile terminal 110 and transmits the radio signal to the ACR 130 or converts data received from the ACR 130 into a radio signal and transmits the radio signal to the mobile terminal 110. In addition, the RAS 120 performs initial access with the mobile terminal 110, an intersectoral handover control function, and a quality of service (QoS) control function.

The RAS 120 according to an embodiment of the present invention provides the service call information generated while the mobile terminal 110, which is an electronic monitoring target, requests a mobile communication service, to the ACR 120. In addition, the RAS 120 transmits the service data according to the service call generated while the mobile terminal 110 uses the mobile communication service to the ACR 130.

The ACR 130 connects to the IP-based core network constituting the Internet network by accessing the RAS 120 and the IP-based wire, and authenticates, MIP (Mobile IP), handover between the RAS 120, and the hand between the ACR 130. It performs over control function and QoS control function.

The ACR 130 according to an embodiment of the present invention, if the subscriber service profile provided from the HSS / AAA 183 of the IMS 180 includes the electronic monitoring information for the mobile terminal 110, from the RAS 120 Collecting the service data according to the service call generated in the mobile terminal 110, and provides to the electronic monitoring device (160).

The structure of the ACR 130 according to the embodiment of the present invention will be described in detail below.

The router 140 is connected to a plurality of ACRs 130 and provides a portable Internet service to the mobile terminal 110 in conjunction with the Internet 190.

The HA 150 performs a Mobile IP service function for the mobile terminal 110.

The electronic monitoring device 160 receives the electronic monitoring request for the mobile terminal 110 of a specific subscriber from the electronic monitoring requesting institution 170, and the service data related to the service call generated from the mobile terminal 110 and the service call according to the service call. Collecting the device to provide to the electronic surveillance request authority (170).

The structure of the electronic monitoring device 160 according to an embodiment of the present invention will be described in detail below.

The electronic surveillance request authority 170 is a judicial authority that has the authority to request electronic surveillance for the mobile terminal 110 of a specific subscriber using a mobile communication service, and when an electronic surveillance for a specific subscriber using the mobile terminal is required The electronic monitoring device 160 requests electronic monitoring.

The IMS 180 is a subsystem for providing an IP-based multimedia service to the mobile terminal 110. The IMS 180 is a home subscriber server (HSS) storing service profiles, authentications, and related data of subscribers using mobile communication services. Call session control function (AAA: Authentication, Authorization, Accounting, hereinafter referred to as 'AAA') 183 and SIP-based call control and session handling. CSCF: Call Session Control Function, hereinafter referred to as 'CSCF') 185.

When the HSS / AAA 183 receives the electronic monitoring start request for the subscriber using the specific mobile terminal 110 through the electronic monitoring device 160 from the electronic monitoring request authority 170, the electronic monitoring information in the subscriber service profile Save it.

The CSCF 185 transmits / receives a SIP-based protocol with the mobile terminal 110, controls subscriber registration and multimedia call processing, and monitors multimedia call-related information generated by the mobile terminal 110 that is an electronic monitoring target. 160).

2 is a configuration diagram schematically showing the structure of an electronic monitoring apparatus according to an embodiment of the present invention.

Referring to FIG. 2, the electronic monitoring apparatus 160 according to an embodiment of the present invention includes an operation processor 163 and a transmission processor 165.

When the operation processing unit 163 receives the electronic monitoring start or electronic monitoring end request from the electronic monitoring request authority 170, the operation processing unit 163 manages the history of the received details and requests the electronic monitoring start or electronic monitoring end to the transmission processing unit 165. do.

When the transmission processing unit 165 receives the electronic monitoring start or electronic monitoring termination request from the operation processing unit 163, the transmission processing unit 165 requests the HSS / AAA 183 to start or terminate the electronic monitoring for the mobile terminal 110 and sends a response thereto. Transmission to the operation processing unit 163.

In addition, the transmission processor 165 receives the service call related information received from the ACR 130 or the CSCF 185 when the service call related information generated while using the mobile communication service in the mobile terminal 110 to be monitored is electronically. Transmit to watch request authority 170.

Here, it is preferable that the transmission processing unit 165 receives from the ACR 130 in the case of a packet call and from the CSCF 185 in the case of a voice call or a multimedia call.

In addition, the transmission processor 165 receives the service data corresponding to the service call to the mobile terminal 110, which is the subject of the electronic monitoring, from the ACR 130 and provides it to the electronic monitoring request authority 170.

3 is a configuration diagram schematically showing the structure of an ACR according to an embodiment of the present invention.

Referring to FIG. 3, an ACR 130 according to an embodiment of the present invention includes a service access control processor 131, an information management processor 133, a packet routing processor 135, and an electronic monitoring device matching processor 137. do.

The service connection control processing unit 131 transmits a service call related message generated while the ACR 130 transmits and receives a message with the RAS 120 to the service call processing through the electronic monitoring device matching processing unit 137. The data is transmitted to the transmission processing unit 165 of 160.

The information management processor 133 receives and stores a service profile of the mobile terminal 110 from the HSS / AAA 183 when a service request is received from the mobile terminal 110 under electronic surveillance.

In addition, the information management processor 133 determines whether the mobile terminal 110 is an electronic monitoring target through the service profile of the mobile terminal 110.

When the service call processing between the mobile terminal 110 and the RAS 120 is successful and the mobile terminal 110 transmits and receives data, the packet routing processing unit 135 copies the service data transmitted and received by the mobile terminal 110 and transmits the data. Through the monitoring device matching processing unit 137 is transmitted to the transmission processing unit 165 of the electronic monitoring device 160.

The electronic monitoring device matching processor 137 cooperates with the electronic monitoring device 160 to provide a call generated by the mobile terminal 110 received from the RAS 120 to the electronic monitoring device 160.

4 is a flowchart illustrating an electronic monitoring process according to an embodiment of the present invention. Hereinafter, the electronic monitoring process according to an embodiment of the present invention will be described with reference to FIG. 4.

First, when the electronic monitoring request authority 170 requests the electronic monitoring device 160 to start the electronic monitoring of the specific subscriber's portable terminal 110 (S401), the electronic monitoring device 160 is HSS / AAA (183) In step S403, an electronic surveillance start is requested for a specific subscriber.

Subsequently, the HSS / AAA 183 stores the electronic monitoring start information in the subscriber service profile (S410), and transmits a response according to the subscriber electronic monitoring start request to the electronic monitoring device 160 (S421).

Subsequently, the electronic surveillance apparatus 160 having received the response according to the subscriber electronic surveillance initiation request from the HSS / AAA 183 sends the electronic surveillance initiation response to the mobile terminal 110 of the specific subscriber to the electronic surveillance request authority 170. It transmits (S423).

Thereafter, when the mobile terminal 110 requests the mobile communication service, the RAS 120 transmits the mobile communication service request from the mobile terminal 110 to the ACR 130 (S430), and the ACR 130 sends the HSS. Request the subscriber service profile of the mobile terminal 110 to the / AAA (183) (S441).

Subsequently, when the ACR 130 receives the subscriber service profile from the HSS / AAA 183 (S443), the ACR 130 stores the subscriber service profile in the information management processor 133 (S450).

Subsequently, when the mobile terminal 110 transmits and receives a service call while using a mobile communication service (S461), the service connection control processing unit 131 of the ACR 130 transmits and receives a service call processing related message from the RAS 120 ( In operation S463, the subscriber service profile is examined through the information management processor 133 (S465), and the portable terminal 110 determines whether the electronic monitoring target is used (S470).

Here, when the mobile terminal 110 uses the packet service, the ACR 130 transmits a packet service call-related message to the electronic monitoring apparatus 160, and when the mobile terminal 110 uses the voice service or the multimedia service, the CSCF ( In 185, it is preferable to transmit a voice service call or a multimedia service call related message to the electronic monitoring apparatus 160.

Subsequently, when the mobile terminal 110 transmits / receives the service data according to the service call requested by the mobile terminal 110 through the RAS 120 (S481 and S483), the ACR 13 copies the service data transmitted and received (S490). ).

Subsequently, the ACR 130 transmits the copied service data to the electronic monitoring device 160 (S491), and the electronic monitoring device 160 transmits the received service data to the electronic monitoring request authority 170 (S493). .

FIG. 5 is a flowchart illustrating a process of terminating electronic monitoring according to an embodiment of the present invention. Hereinafter, a process of terminating electronic monitoring according to an embodiment of the present invention will be described with reference to FIG. 5.

First, when the electronic monitoring request authority 170 requests the electronic monitoring device 160 to terminate the electronic monitoring of the mobile terminal 110 of the subscriber in the electronic monitoring (S501), the electronic monitoring device 160 is HSS / AAA ( In step 1503, the electronic surveillance for the subscriber under the electronic surveillance is requested.

Subsequently, the HSS / AAA 183 deletes the electronic surveillance information from the corresponding subscriber service profile (S510), and transmits a response according to the subscriber electronic surveillance end request to the electronic surveillance apparatus 160 (S521).

Subsequently, the electronic monitoring apparatus 160 which has received the response according to the subscriber electronic surveillance termination request from the HSS / AAA 183 sends the electronic surveillance termination response to the portable terminal 110 of the specific subscriber to the electronic surveillance request authority 170. It transmits (S423).

The embodiments of the present invention described above are not implemented only through the apparatus and the method, but may be implemented through a program for realizing a function corresponding to the configuration of the embodiment of the present invention or a recording medium on which the program is recorded. Implementation may be easily implemented by those skilled in the art from the description of the above-described embodiments.

Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

As described above, according to the present invention, the electronic surveillance function of the mobile communication service subscriber is effectively performed according to the electronic surveillance request, thereby effectively providing an electronic surveillance function for voice, packet, and multimedia services used in the subscriber's portable terminal. .

Claims (18)

delete delete delete delete delete delete delete delete An electronic surveillance apparatus for providing electronic surveillance information on a specific subscriber terminal to an electronic surveillance requesting organ, An operation processing unit for receiving an electronic surveillance start or electronic surveillance termination request from the electronic surveillance request authority; And And a transmission processor for requesting a home subscriber server to start or terminate the electronic surveillance of the subscriber terminal upon receiving the electronic surveillance start or the electronic surveillance termination request from the operation processing unit. The transmission processing unit When the subscriber station uses the packet service, receives a packet service call-related message from the control station in charge of the subscriber station, And a voice service call related message or a multimedia service call related message from a call session control function (CSCF) when the subscriber station uses a voice service or a multimedia service. delete In the electronic monitoring method of the electronic monitoring system for performing the electronic monitoring for a specific subscriber terminal at the request of the electronic monitoring request authority, Receiving a mobile communication service request from the subscriber station; Receiving a subscriber service profile for the subscriber station from a home subscriber server / authentication server storing the subscriber service profile for the subscriber station; Determining whether the subscriber station is the subject of electronic monitoring by examining the subscriber service profile of the subscriber station; And In the determining step, if it is determined that the subscriber station is the subject of electronic monitoring, providing the electronic surveillance information generated by the subscriber station using the mobile communication service to the electronic monitoring request authority. Electronic monitoring method comprising a. The method of claim 11, The subscriber service profile is The electronic monitoring method is a subscriber service profile that includes the electronic monitoring request information for the subscriber station. delete The method of claim 11, The providing step And providing a service call-related message according to the packet service generated by the subscriber station when the subscriber station uses the packet service to the electronic monitoring requesting authority. The method of claim 11, The providing step When the subscriber station uses a voice service or a multimedia service, the electronic monitoring of a service call related message according to the voice service or the multimedia service generated by the subscriber terminal collected by a call session control function (CSCF) Electronic monitoring provided by the requesting authority. The method of claim 11, The providing step And a service data generated between the subscriber station and the base station from the control station and provided to the electronic surveillance requesting authority. The method of claim 11, Prior to the receiving step, Receiving an electronic surveillance request for the subscriber station from the electronic surveillance requesting institution; Registering electronic monitoring request information in a subscriber service profile of the subscriber station; And Informing that the electronic surveillance request authority has started the electronic surveillance of the subscriber station; Electronic monitoring method further comprising. The method of claim 11, After the providing step, Receiving an electronic surveillance release request for the subscriber station from the electronic surveillance requesting institution; Deleting the electronic monitoring request information from the subscriber service profile of the subscriber station; And Notifying the electronic surveillance requesting authority that the electronic surveillance for the subscriber station has been released; Electronic monitoring method further comprising.

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