KR100491640B1 - Apparatus for Generating Billing Information corresponding to the Each Service Based on Packet Data Analysis on Mobile Communication Network and Method thereof - Google Patents

Abstract

The present invention relates to an apparatus and method for generating billing information for each data service based on packet data analysis in a mobile communication network. In particular, the apparatus for generating billing information includes a subscriber when a subscriber uses a wireless data service of a specific service server through a mobile communication network. An apparatus for generating billing information for each data service based on packet data analysis transmitted between a service server and a service server, the apparatus is located between a mobile communication switch or a packet control device that provides a wireless data service for the subscriber, and the service server. A packet separation unit for physically separating and receiving user packet data transmitted between the mobile communication switch or the packet control device and the service server; A packet analyzer configured to obtain service information used by the subscriber through analysis of user packet data received through the packet data separator and to output the first billing information; And storing the first billing information output by the packet analyzer and the second billing information provided by the mobile communication switch or the packet control device as one billing information for each service, and the billing information for each service is stored. It includes a billing information storage unit for transmitting the billing information of the subscriber to a specific billing processing system to charge the subscriber. According to the present invention, it is possible for a mobile telecommunication network operator to perform service-specific billing according to various services used by a subscriber, thus providing various service products to the subscriber.

Description

Apparatus for Generating Billing Information corresponding to the Each Service Based on Packet Data Analysis on Mobile Communication Network and Method Technical}

The present invention relates to packet data analysis in a mobile communication network. More particularly, packet data analysis in a mobile communication network generating charging information for each wireless data service used by each user through analysis of packet data in a mobile communication network. The present invention relates to a billing information generating device for each data service based on the method and a method thereof.

The wireless service standard of the mobile communication service method, especially the Code Division Multiple Access (CDMA) method, which commercializes and provides digital mobile phones in Korea, is the North American-based IS-95A (Interim Standard-95A), which supports the IS-95A network. The IS-95B attempts to provide high-speed data services while maintaining compatibility with existing IS-95As. These IS-95A and IS-95B belong to the second generation (2G) of the evolution of mobile communication network.

Meanwhile, cdma2000-1x, which is a third generation (3G), is a system that improves frequency bandwidth and data transmission speed in IS-95A / B and is also called IS-95C.

In order for subscribers accommodated in such mobile communication networks, especially IS-95A / B and cdma2000-1x networks, to provide data services, each subscriber connects to the network using PPP (Point-to-Point Protocol) and connects to the Internet. Receive wireless data service from

More specifically, in the second generation IS-95A / B network, when the subscriber 10 requests wireless data communication, as shown in FIG. 1, a base transceiver station (BTS) and a base station controller ( Subscriber 10 connects to Interworking Function (IWF) 30 via PPP through BSC: Base Station Controller (20) and PCX (PCs eXchange) 30 and connects with subscriber 10 through this PPP connection. A TCP connection between the service server 50 may be established and wireless data communication with respect to the subscriber 10 may be performed.

In addition, in the 3rd generation cdma2000-1x network, as shown in FIG. 1, when the subscriber 10 requests wireless data communication, the base station apparatus, the base station control apparatus 20, and the PCF (Packet Control Function) 30 are connected. The subscriber 10 can access the packet data serving node (PDSN) 30 through PPP to freely receive a wireless data service from the service server 50.

Meanwhile, in the wireless data service system configured as shown in FIG. 1, the billing method of the subscriber 100 is a time billing method for calculating a data service use time and a packet billing method for calculating the total amount of used packets. There is a problem that it is impossible to apply a variety of rates according to the use of stars.

For example, wireless data services include a variety of services, such as text-based small data services and data services requiring large amounts of data such as Video On Demand (VOD). none.

Accordingly, an object of the present invention is to solve the above problems, and packet data in a mobile communication network generating billing information for each service according to a wireless data service used by each subscriber through analysis of user data packets in a mobile communication network. An apparatus and method for generating billing information for data services based on the analysis are provided.

In order to achieve the above object, an apparatus for generating billing information for each data service based on packet data analysis in a mobile communication network according to an aspect of the present invention,

An apparatus for generating billing information for each data service based on packet data analysis transmitted between a subscriber and a service server when a subscriber uses a wireless data service of a specific service server through a mobile communication network.

Located between the mobile communication exchange or packet control device providing the wireless data service to the subscriber and the service server, and physically separate and receive user packet data transmitted between the mobile communication exchange or packet control device and the service server. A packet separator; A packet analyzer configured to obtain service information used by the subscriber through analysis of user packet data received through the packet data separator and to output the first billing information; And storing the first billing information output by the packet analyzer and the second billing information provided by the mobile communication switch or the packet control device as one billing information for each service, and the billing information for each service is stored. It includes a billing information storage unit for transmitting the billing information of the subscriber to a specific billing processing system to charge the subscriber.

The packet separation unit may be physically connected to an Ethernet connection between the mobile communication switch or the packet control device and the service server to receive user packet data classified into Tx / Rx.

In addition, the packet analysis unit obtains the service usage information of the subscriber using the information including the destination IP and port number for each subscriber using the user packet data received through the packet separation unit, and the packet data used by the subscriber. It is characterized by.

Billing information generation method for each data service based on packet data analysis in a mobile communication network according to another aspect of the present invention,

A method of generating billing information for each data service based on packet data analysis transmitted between a subscriber and a service server when a subscriber uses a wireless data service of a specific service server through a mobile communication network,

a) physically separating and receiving user packet data transmitted between a mobile communication switch or a packet control device that provides a wireless data service to the subscriber and the service server; b) obtaining service information used by the subscriber through the user packet data analysis received in step a) and outputting the first billing information; c) integrating the first charging information output in the step b) and the second charging information provided by the mobile communication switch or the packet control device and storing the charge information for each service; And d) transmitting the billing information of the subscriber including the billing information for each service to a specific billing processing system to charge the subscriber.

According to another aspect of the present invention, an apparatus for generating billing information for each data service based on packet data analysis in a mobile communication network,

An apparatus for generating billing information for each data service based on packet data analysis transmitted between a subscriber and a service server when a subscriber uses a wireless data service of a specific service server through a mobile communication network.

The mobile communication switch or packet control device which provides a wireless data service to the subscriber and the packet relay unit which relays the packet data transmitted between the service server and the packet relay unit through port mirroring technology, and the A packet analyzer which receives user packet data transmitted between service servers, obtains service information used by the subscriber through analysis of the received user packet data, and outputs the service information as first charging information; And storing the first billing information output by the packet analyzer and the second billing information provided by the mobile communication switch or the packet control device as one billing information for each service, and the billing information for each service is stored. It includes a billing information storage unit for transmitting the billing information of the subscriber to a specific billing processing system to charge the subscriber.

Here, the packet relay unit is a switching hub for delivering a packet to an appropriate port based on the packet address.

In addition, the packet relay unit is characterized in that the router for connecting a separate network using the same transmission protocol.

Billing information generation method for each data service based on packet data analysis in a mobile communication network according to another aspect of the present invention,

A method of generating billing information for each data service based on packet data analysis transmitted between a subscriber and a service server when a subscriber uses a wireless data service of a specific service server through a mobile communication network,

a) the mobile communication switch or packet control device which provides a wireless data service to the subscriber and the packet relay unit which relays the packet data transmitted between the service server and the packet server through port mirroring technology; Receiving user packet data transmitted between a service server and the service server, obtaining service information used by the subscriber through analysis of the received user packet data, and outputting the service information as first charging information; b) integrating the first charging information output in step a) and the second charging information provided by the mobile switching center or the packet control device and storing the charging information for each service; And c) transmitting the billing information of the subscriber including the billing information for each service to a specific billing processing system to charge the subscriber.

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

2 is a diagram illustrating a system configuration of a mobile communication network using an apparatus for generating billing information for each data service based on packet data analysis according to an exemplary embodiment of the present invention.

As shown in FIG. 2, the BTS / BSC 200, the PCX / PCF 300, and the IWF system of the mobile communication network using the billing information generation device for data services based on packet data analysis according to an embodiment of the present invention. / PDSN (400), billing information generating device 500 and S / H, Router (600).

Here, the BTS / BSC 200 is a wireless network part that substantially guarantees the mobility of the subscriber 100 and performs handoff and wireless support management functions. The BTS is a baseband signal processing, wired / wireless conversion, and transmission and reception of a radio signal. Etc., the network termination device is directly connected to the subscriber 100, and the BSC is located between the BTS and the PCX / PCF 300 to perform base station management and control.

The PCX 300 is a mobile communication switch that connects to the IWF / PDSN 300 when the subscriber 100 wirelessly connected through the BTS / BSC 200 requests a wireless data service, and the PCF 300 is a packet control device. .

The IWF / PDSN 400 is a network interlocking device that is a device for connecting from the PCX / PCF 300 to a data communication network, for example, the Internet, etc., and the IWF corresponds to the second generation IS-95A / B network. PDSN corresponds to the cdma2000-1x network.

S / H 600 is a special type of hub that is connected between IWF / PDSN 400 and service server 700 and forwards the packet to the appropriate port based on the packet address, and Router 600 is the same transport protocol. It is a device that connects separate network using.

The billing information generating device 500 is connected between the IWF / PDSN 400, S / H, and Router 600, and transmits user IP packet data transmitted between the IWF / PDSN 400, S / H, and Router 600. And the billing information for each service is generated using the billing information provided by the IWF / PDSN 400.

3 is a detailed block diagram of the charging information generating device 500 shown in FIG.

As shown in FIG. 3, the charging information generating apparatus 500 includes a packet separator 510, a packet analyzer 520, and a charging information storage 530.

The packet separator 510 is directly connected between the IWF / PDSN 400, the S / H, and the router 600, and receives user IP packet data classified into Tx / Rx.

Referring to FIG. 4, the packet separator 500 physically connects to the line connected from the Ethernet TX port 410 of the IWF / PDSN 400 to the S / H and the Ethernet RX port 510 of the Router 600. Receive the packet data upward from the subscriber 100 to the service server 700, and the Ethernet RX port 420 of the IWF / PDSN 400 at the Ethernet TX port 520 of the S / H, Router 600 It is physically connected to the line connected to the) receives the packet data down from the service server 700 to the subscriber (100).

Looking at the location of the packet separation unit 510 as the protocol structure of the second generation IS-95A / B network, as shown in Figure 5, the physical layer of the IWF (400) Ethernet (E-NET) and the service server ( Located between the Ethernet (E-NET), the physical layer of the 700, the packet is transmitted and received between the subscriber 100 and the service server 700 by separating the IP network between the IWF 400 and the service server 700 in the physical layer Receive data.

In addition, referring to the location of the packet separation unit 510 in the protocol structure of the third generation cdma2000-1x network, as shown in FIG. 6, the physical layer of the PDSN 400 and the service server 700 are illustrated. Located between the physical layer of Ethernet (Ethernet), the IP network between the PDSN (400) and the service server 700 is separated from the physical layer to receive the packet data transmitted and received between the subscriber 100 and the service server 700. .

On the other hand, the packet analysis unit 520 receives the user packet data divided into Tx / Rx through the packet separation unit 510 or from the IP network using a port mirroring function provided by the S / H, Router 600 User packet data is divided into Tx / Rx and received. The port mirroring function provided by the S / H and the router 600 is well known in the related art, and thus description thereof will be omitted.

Thereafter, the packet analyzer 520 analyzes user packet data received from the packet separator 510, S / H, or router 600, and analyzes information such as destination IP and port number of each subscriber and analyzed subscribers. The service information used by the subscriber 100 is obtained by using the packet data used by the 100.

Referring to FIG. 7, the packet analyzer 520 receives an encoded bit stream received through the packet separator 510, S / H, or router 600, and receives Open Systems Interconnection. ) By analyzing packet data for each layer, the destination IP and port number of each subscriber and the packet data used by the subscriber 100 can be obtained.

For example, since the encoded bit stream is composed of a plurality of protocol control information (PCI) including control information of each layer and data (DATA) actually transmitted between the subscriber 100 and the service server 700, the packet The analysis unit 520 removes each PCI information from the encoded bit stream, ie, each layer, that is, a data link layer, a network layer, a transport layer, a session layer, and a representation. Packet data traffic at the presentation layer and the application layer can be analyzed. That is, if the PCI information of the physical layer is removed from the encoded bit stream, the DLPDU, which is a protocol data unit (PDU) of the data link layer, can be known, and the packet data traffic in the data link layer can be analyzed therefrom. If the PCI information of the data link layer is removed from the DLPDU, the NPDU which is the PDU of the network layer can be known. If the PCI of the network layer is removed from this NPDU, the TPDU, which is the PDU of the transport layer, can be known. If you remove the PCI of the port layer, you can see the SPDU which is the PDU of the session layer. If you remove the PCI of the session layer from this SPDU, you can see the PPDU, which is the PDU of the presentation layer. The APDU, which is the PDU of the application layer, can be known. Finally, when the PCI of the application layer is removed from the APDU, the data transmitted can be known. The PCI included in the DLPDU, NPDU, TPDU, SPDU, PPDU, APDU, and the like, which are identified as described above, is defined separately for each layer, and such PCI typically includes error control information, flow control information, address information, and the like. The packet analyzer 520 may obtain service usage information for each subscriber 100 by analyzing packet data of each layer transmitted between the subscriber 100 and the service server 700.

On the other hand, the charging information storage unit 530 is charged by the conventional method for the charging information obtained from the packet analysis unit 520, that is, the service usage information for each subscriber and the subscriber 100 generated by the IWF / PDSN (400) The information is received and processed as one billing information for each service and stored.

The billing information storage unit 530 transmits the billing information of the subscriber 100 including the billing information for each service to the billing processing system (not shown) so as to charge the actual subscriber.

The billing information storage unit 530 is configured in a general database form, that is, a database for storing data and a database manager for managing the stored data, and the billing information and IWF / provided by the packet analyzer 520. The apparatus further includes means for generating billing information for one service by using billing information provided by the PDSN 400 and storing the billing information for each service as billing information of a subscriber.

As described above, by analyzing user packet data collected by packet separation or packet mirroring in the IP network and generating service usage information for each subscriber, billing information for each service according to a wireless data service used by each subscriber can be generated. .

Although the present invention has been described with reference to the most practical and preferred embodiment, the present invention is not limited to the above-described embodiment, but also includes various modifications and equivalents within the scope of the following claims.

According to the present invention, it is possible for a mobile telecommunication network operator to perform service-specific billing according to various services used by a subscriber, thus providing various service products to the subscriber.

1 is a diagram illustrating a system configuration of a mobile communication network for providing a conventional wireless data service.

2 is a diagram illustrating a system configuration of a mobile communication network using an apparatus for generating billing information for each data service based on packet data analysis according to an exemplary embodiment of the present invention.

3 is a detailed block diagram of the charging information generating device shown in FIG.

4 is a diagram illustrating a physical connection of the packet separator shown in FIG. 2.

5 is a diagram illustrating a protocol structure in an IS-95A / B network according to an embodiment of the present invention.

6 is a diagram illustrating a protocol structure of a cdma2000-1x network according to an embodiment of the present invention.

FIG. 7 is a diagram illustrating a packet data traffic analysis concept for each layer of the OSI model by the packet analyzer illustrated in FIG. 2.

Claims (12)

An apparatus for generating billing information for each data service based on packet data analysis transmitted between a subscriber and a service server when a subscriber uses a wireless data service of a specific service server through a mobile communication network. A bidirectional user located between a mobile communication switch or a packet control device providing a wireless data service to the subscriber and the service server, and transmitted through an Ethernet connection between the mobile communication switch or the packet control device and the service server. A packet separator for physically separating and receiving packet data; A packet analyzer configured to obtain service information used by the subscriber through analysis of each layer of an Open Systems Interconnection (OSI) model for user packet data received through the packet data separator and to output the first billing information; And The first billing information output by the packet analyzer and the second billing information provided by the mobile communication switch or the packet control device are integrated and stored as billing information for each service, and the billing information for each service is stored. Billing information storage unit for transmitting the billing information of the subscriber to a specific billing processing system to charge the subscriber Device for generating billing information for each data service based on packet data analysis in a mobile communication network including a. The method of claim 1, The packet separation unit may be physically connected to an Ethernet connection between the mobile communication switch or the packet control device and the service server to receive user packet data classified into Tx / Rx and receive the data based on packet data analysis in a mobile communication network. Device for generating billing information for each service. The method of claim 1, The packet analyzer obtains service usage information of the subscriber by using information including destination IP and port number of each subscriber using user packet data received through the packet separator and packet data used by the subscriber. An apparatus for generating billing information for each data service based on packet data analysis in a mobile communication network. A method of generating billing information for each data service based on packet data analysis transmitted between a subscriber and a service server when a subscriber uses a wireless data service of a specific service server through a mobile communication network, a) physically separating and receiving bidirectional user packet data transmitted through an Ethernet connection between a mobile communication switch or a packet control device that provides a wireless data service to the subscriber and the service server; b) obtaining service information used by the subscriber through the analysis of each layer of the Open Systems Interconnection (OSI) model for the user packet data received in the step a) and outputting the service information as the first charging information; c) integrating the first charging information output in the step b) and the second charging information provided by the mobile communication switch or the packet control device and storing the charge information for each service; And d) transmitting the billing information of the subscriber including the billing information for each service to a specific billing processing system to charge the subscriber; Method for generating billing information for each data service based on packet data analysis in a mobile communication network comprising a. The method of claim 4, wherein In step a), the packet data analysis in the mobile communication network is characterized by receiving user packet data classified into Tx / Rx through a physical connection to the Ethernet connection between the mobile communication switch or the packet control device and the service server. Billing information generation method based on data service. The method of claim 4, wherein Wherein the service usage information of the subscriber is obtained by using information including destination IP and port number of each subscriber obtained through the user packet data analysis in step b) and packet data used by the subscriber. Method for generating billing information for each data service based on packet data analysis in a communication network. An apparatus for generating billing information for each data service based on packet data analysis transmitted between a subscriber and a service server when a subscriber uses a wireless data service of a specific service server through a mobile communication network. The mobile communication switch or packet control device which provides a wireless data service to the subscriber and the packet relay unit which relays the packet data transmitted between the service server and the packet relay unit through port mirroring technology, and the Receives bidirectional user packet data transmitted between service servers, obtains service information used by the subscriber through analysis of each layer of Open Systems Interconnection (OSI) model for the received user packet data, and outputs the first billing information. A packet analyzer; And The first billing information output by the packet analyzer and the second billing information provided by the mobile communication switch or the packet control device are integrated and stored as billing information for each service, and the billing information for each service is stored. Billing information storage unit for transmitting the billing information of the subscriber to a specific billing processing system to charge the subscriber Device for generating billing information for each data service based on packet data analysis in a mobile communication network including a. The method of claim 7, wherein The packet analysis unit uses the user packet data copied and received by the packet relay unit to include information including the destination IP and port number for each subscriber, and the service usage information of the subscriber using the packet data used by the subscriber. And a billing information generation device for each data service based on packet data analysis in a mobile communication network. The method according to claim 7 or 8, And the packet relay unit is a switching hub for transmitting a packet to an appropriate port based on the packet address. The apparatus for generating billing information for each data service based on packet data analysis in a mobile communication network. The method according to claim 7 or 8, And the packet relay unit is a router for connecting separate networks using the same transmission protocol. The apparatus for generating billing information for each data service based on packet data analysis in a mobile communication network. A method of generating billing information for each data service based on packet data analysis transmitted between a subscriber and a service server when a subscriber uses a wireless data service of a specific service server through a mobile communication network, a) the mobile communication switch or packet control device which provides a wireless data service to the subscriber and the packet relay unit which relays the packet data transmitted between the service server and the packet server through port mirroring technology; Receives bidirectional user packet data transmitted between the service server and the service server, obtains service information used by the subscriber through analysis of each layer of the Open Systems Interconnection (OSI) model for the received user packet data, and obtains first billing information. Outputting to; b) integrating the first charging information output in step a) and the second charging information provided by the mobile switching center or the packet control device and storing the charging information for each service; And c) transmitting the billing information of the subscriber including the billing information for each service to a specific billing processing system to charge the subscriber; Method for generating billing information for each data service based on packet data analysis in a mobile communication network comprising a. The method of claim 11, Wherein the service usage information of the subscriber is obtained by using information including destination IP and port number of each subscriber obtained through the user packet data analysis in step a) and packet data used by the subscriber. Method for generating billing information for each data service based on packet data analysis in a communication network.