KR20050088596A - The method of configuration and transmission for contents based charging in wcdma - Google Patents

Abstract

According to an aspect of the present invention, there is provided a method of generating billing data for each content in a mobile communication system providing a plurality of contents, when a call is set, a process of checking whether the call includes a plurality of contents, and the call includes a plurality of contents. And collecting billing information for each of the plurality of contents according to predetermined content detail information, and generating billing data for each content by adding segmentation information of the corresponding content to billing information collected for each content. In addition, by collecting and transmitting the traffic according to the content-based differential charging application criteria in the GGSN of the mobile communication system, it is characterized in that the charging efficiency in the case of a call containing a plurality of contents.

Description

The method of configuration and transmission for contents based charging in WCDMA}

The present invention relates to billing by content in a mobile communication system, and more particularly, to a method for managing content in order to support billing by content, and a method for collecting billing information for each content and then transmitting the billing information to a billing center.

1 is an exemplary configuration diagram of a UMTS system.

1, the UMTS system tracks the location of a gateway GPRS support node (GGSN) 15 and a terminal 23a, which serve to connect a general packet radio services (GPRS) network with other networks such as the Internet 9. A Serving GPRS Support Node (SGSN) 17 serving to transmit a packet to the terminal 21a in the service area, and a BS (Billing System) which is a node that calculates actual charging based on the charging information transmitted from all nodes. (11) and processing the loss and redundancy by processing a GPRS Tunneling Protocol Prime (GTP ') protocol transmitted from the SGSN (17) and the GGSN (15), and the BS (Charging Data Record) format in the BS ( 11) CG (Charging Gateway) 13, which is a node for transmission, radio network controller (RNC) 19a, b which is in charge of connection with core network of mobile communication such as radio resource management, base station operation management, Communication with the terminal 23a or by relay of a mobile relay station It consists of base stations (21a, b, c) and a terminal (23a) communicating with the base station for.

In the WCDMA mobile communication system, the SGSN 17 and the GGSN 15 collect the call information while the call is being held to hold the charging information. The charging information collected at this time is call holding time, uplink data amount, down data amount, quality of service (QoS) information, and the like. The SGSN 17 and the GGSN 15 transmit the billing information to the CG 13 when a specific transmission condition set by the operator or when the call ends.

The billing information generated by the SGSN 17 includes M-CDR (Mobility Management generated-CDR) generated based on mobility management information managed by SGSN, and PDP (Packet Data Protocol) context, which is call information managed by SGSN. S-CDR (SGSN generated-CDR) is generated based on the GGSN (15), the billing information collected from the GGSN (GGSN) is generated based on the PDP (Packet Data Protocol) context that is the call information managed by GGSN There is a CDR (GGSN generated-CDR). Here, the charging data record (CDR) is defined by Abstract Syntax Notation One (ASN.1) as charging data information, and the content of the CDR generated at each node is 3GPP (3rd Generation Partnership Project) Technical specification (TS) 32.215 Is defined in. The interface of SGSN (17), GGSN (15) and CG (13) is defined as Ga, and the protocol used in Ga interface is GTP 'tunnel defined based on GTP'-C (GPRS Tunneling Protocol-Control). Is transmitted to the CG 13 using.

2 is a diagram illustrating a method for collecting billing information by a conventional GGSN.

As shown in the drawing, the conventional GGSN 15 monitors the flow of incoming subscriber traffic 5 and collects billing information for each subscriber.

Recently, as the wireless Internet service is activated, contents increase, and the use type of the contents according to the wireless resources is diversified due to the characteristics of the wireless Internet service. Therefore, the demand for billing for each content is increasing. However, since the charging information collected by the current GGSN was a simple form of information collected for each subscriber, a structure that is collected and transmitted differentially for each content is required.

Accordingly, an object of the present invention, which was devised to solve the problems of the prior art operating as described above, is to provide a method for collecting charging information by content in GGSN.

Another object of the present invention is to provide criteria and data for transmitting the collected charging information to the charging system.

In order to achieve the object described above, an embodiment of the present invention provides a method of generating billing data for each content in a mobile communication system that provides a plurality of contents.

 When a call is set, checking whether the call includes a plurality of contents;

If the call includes a plurality of contents, the plurality of contents are classified according to predetermined content details.

Collecting charging information for each content;

And adding billing information of the corresponding content to the billing information collected for each content to generate billing data for each content.

Hereinafter, with reference to the accompanying drawings will be described in detail the operating principle of the preferred embodiment of the present invention. Like reference numerals are used to designate like elements even though they are shown in different drawings, and detailed descriptions of related well-known functions or configurations are not required to describe the present invention. If it is determined that it can be blurred, the detailed description thereof will be omitted. Terms to be described later are terms defined in consideration of functions in the present invention, and may be changed according to intentions or customs of users or operators. Therefore, the definition should be made based on the contents throughout the specification.

The present invention to be described later relates to a method for collecting the billing information collected by the GGSN for each subscriber by content, to generate billing data for the billing information collected by the content to the billing system.

3 is a diagram illustrating a method in which GGSN collects billing information for each content according to the present invention. Referring to FIG. 3, the GGSN collects the subscriber traffic 61 that is input into each of contents 1 63, 2 65, and 3 67 traffic. The billing information for each of the divided content traffic (63, 65, 67) is generated and transmitted to the system for billing.

First, an example of a system configuration for charging for each content according to the present invention will be briefly described with reference to FIG. 4.

4 is a diagram illustrating a UMTS system for differential charging for each content according to the present invention. As shown, the GGSN 15 uses the WAP, VOD, and GVM content services through the respective WAP, VOD, and GVM content servers 7a, 7b, and 7c when the call connection of the subscriber is established. In this case, the GGSN collects billing information for each content WAP, VOD, and GVM traffic 63a, 65a, 67a that the subscriber is receiving for each content. Then, the GGSN generates the G-CDR for the collected information for each content, and loads the GGSN 15 and the billing system (CGSN) with the classification information which is a reference for collecting the charging information in the generated G-CDR. BS (11) is transmitted to the CG (13) connecting. The billing system (BS) measures the billing of the subscriber by using the G-CDRs for each WAP, VOD, and GVM content transmitted through the CG 13.

The subscriber can receive various contents from the content server when the call is connected. The GGSN analyzes call traffic generated by the subscriber's call connection for each content and collects billing information according to the detailed information of each content. An example of detailed information of various contents will be described in detail below with reference to the accompanying drawings. Explain.

5 is a view showing detailed information for each content. The detailed information of the content includes a content name 31 which is a name that can distinguish the type of content, a content 33 that can be serviced by the content, and a collection criterion 35 that collects the content separately. Various types of content include a wireless application protocol (WAP) 31a for receiving a service 33a for text, a ringtone character, and a general virtual machine (GVM) game, karaoke, and map viewing service (33b). GVM and SK telecom virtual machine (SKVM) 31b for receiving video, Motion Picture Experts Group 4 (MPEG4) 31c and Wavelet (31d) for video service (33c, 33d), Internet access, DNS, Hyper Text Transport Protocol (HTTP), FTP, and Simple Mail Transfer Protocol (SMTP) 31e, which perform services 33e such as DNS (Domain Name System) query and File Transfer Protocol (FTP) download, HTTP (31f) for the photomail service (33f), WITOP (31g) for the Wireless Internet Terminal Open Platform (WITOP) execution service (33g), and the like, each of which is a collection of unique IP addresses and port numbers. Has reference 35. The IP address is an IP address of a server providing content, and the port number is a TCP, UDP port number of the content. Therefore, GGSN uses IP address and port number to classify content.

In order to differentially charge the various contents as described above, the GGSN 15 analyzes the contents of the call information input according to the detailed information of the contents, and separates and collects the charging information of the respective contents for each analysis result. do. In order for the GGSN to analyze the input call, a differential charging criterion applied to each content is required. The differential charging criterion will be described in detail with reference to FIG. 6. The GGSN 15 analyzes the call entered according to the differential charging criteria to be described below, and matches the IP address and the port number of the destination content server in case of uplink traffic to the contents to which differential charging is applied. In the case of downlink traffic, the traffic volume of the uplink and downlink of the corresponding content is collected by matching the IP address and port number of the content server as a source.

6 is a diagram showing an example of differential charging criteria set by the GGSN according to the present invention.

As shown in the figure, the differential charging criteria are Contents 51, such as WAP 51a, VOD 51b, GVM 51c, Contents IP 53, and Port number. (55), an Active bit (57) indicating whether or not charging per content is applied, a Volume limit (71) indicating a charging reference data amount, and a Time limit (73) indicating a charging reference time. The reference time 71 and the reference data amount 73 become charging information transmission conditions for each content. For example, the GGSN generates a G-CDR for the WAP 51a content when the WAP 51a content service is used for more than 5 minutes (59a) or when the used data capacity is 500k (60a) or more.

A RE (Record Extension) field is used to specify the type of content in the G-CDR. The RE field is an option field defined by a network operator and a manufacturer. The GGSN carries the IP address and port number of the corresponding content in the RE field of the G-CDR and transmits it to the CG.

7 is a view showing detailed information of each content G-CDR containing the RE field information according to the present invention. As shown, the G-CDR encodes the amount of uplink and downlink data for each content of the WAP, VOD, and GVM together with the RE field 85. Accordingly, the charging system BS receiving the G-CDR from the GGSN can calculate the charging for each content by dividing the charging information of each content by the IP address and the Por number in the RE field 85.

When the GGSN sets the differential charging criteria for each content as illustrated in FIG. 6, charging information is collected for the contents according to the set differential charging criteria. Here, the charging information is classified according to the type of call. Hereinafter, a method of collecting charging information according to the type of call will be described in detail.

The call input to the GGSN includes a call including one content and a call including a plurality of contents.

In the call including the plurality of contents, traffic of various IP addresses and PORT numbers flows. Therefore, the GGSN must analyze the content details of the plurality of traffic and generate separate G-CDRs for the corresponding IP and port.

On the other hand, a call including one content does not need to classify the content traffic according to the IP address and port number because only one traffic of the designated IP address and port number flows through the GTP-U tunnel. Therefore, the GGSN transmits one G-CDR including charging information amount, that is, uplink and downlink amount for counting the charging. In this case, an IP address and a port number may be included in the RE field even for a G-CDR of a call including one content.

8 is a flowchart illustrating an operation for charging for each content according to the present invention.

Referring to FIG. 8, in step 100, the GGSN 15 sets a differential charging criterion including a transmission condition for each content according to the detailed information of the content defined by the content servers. The content detail information is a content name, a service name, and an IP address and port number for each content, which are collection criteria. The differential charging criteria are content name, IP address, port number, activation status, reference time, reference data amount, and the like.

In step 103, the GGSN 15 checks whether a call is set from the terminal 23a, and returns to step 100 if the call is not set.

If the call connection is confirmed, the GGSN 15 checks in step 105 whether the call uses a plurality of contents.

If the call is a call using a plurality of contents, in step 107, the GGSN 15 analyzes the input call information according to the detailed information of the contents and classifies the contents by IP address and port number.

In step 109, the GGSN 15 collects billing information for each content, that is, the amount of up and down data of the content and the service time.

In step 111, the GGSN 15 checks whether the collected charging information satisfies a reference time or reference data amount of a charging transmission condition.

If the charging transmission condition is satisfied, in step 113, the GGSN 15 adds an IP address and a port number to the collected charging information, generates a plurality of G-CDRs for each content, and transmits the same to the CG 13.

In step 105, the GGSN 15 collects the charging information of the call in step 113, when it is identified as a call receiving one content.

In step 115, the GGSN 15 checks whether the collected charging information satisfies the charging transmission condition, and if not, returns to step 113.

In step 117, when the charging information satisfies the charging transmission condition, the GGSN 17 generates one G-CDR by adding an IP address and a port number of the corresponding content and transmits the generated G-CDR to the CG 13.

BS 11 measures the billing with the billing information collected for each IP address and port number through the CG (11). For example, the BS calculates a charge rate for each content by setting a charge rate for VOD content and a charge rate for WAP.

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

In the present invention operating as described in detail above, the effects obtained by the representative ones of the disclosed inventions will be briefly described as follows.

As described above, the present invention collects and transmits traffic according to differential charging application criteria for each content in the GGSN of the mobile communication system, thereby improving charging efficiency in the case of a call including a plurality of contents.

1 is an exemplary configuration diagram of a UMTS system.

2 is a diagram illustrating a method of collecting charging information by a conventional GGSN.

3 is a diagram illustrating a method in which GGSN collects billing information for each content according to the present invention.

4 is a diagram illustrating a UMTS system for differential charging for each content according to the present invention.

5 is a view showing detailed information for each content.

6 illustrates an example of differential charging criteria set by GGSN in accordance with the present invention.

7 is a view showing detailed information of each content G-CDR containing RE field information according to the present invention.

8 is a flowchart illustrating an operation for charging for each content according to the present invention.

Claims (7)

In the method for generating the billing data for each content in a mobile communication system providing a plurality of contents,  When a call is set, checking whether the call includes a plurality of contents; If the call includes a plurality of contents, classifying the plurality of contents according to predetermined contents detailed information and collecting billing information for each of the contents; And adding billing information of the corresponding content to the billing information collected for each content to generate billing data for each content. The method of claim 1, wherein the detailed information of the content is And a content name, content service content, and an IP address and a port number of a server providing the content. The method of claim 1, The charging information includes the amount of up and down data, and the service time. The method of claim 1, The identification information of the content is characterized in that the IP address and port number of the server providing the content. The method of claim 1, wherein the generating of the charging information comprises: And if the predetermined transmission condition is satisfied, generating the charging data for each content. The method of claim 5, wherein the generating process, And generating the charging data when a predetermined amount of up and down reference data is exceeded or when a service time of the content reaches a reference time. The method of claim 1, wherein the call includes one piece of content, And collecting billing information of the call to generate billing data including division information of the content in the collected billing information.