KR100492076B1 - System and Method for Measurement efficiency and Capacity of Packet Core Network in WCDMA System - Google Patents

Abstract

Provided is a performance measurement system and method for a packet core network in a WCDMA system, which is a third generation mobile communication system.

The packet core network performance / capacity measuring device requires the registration of a plurality of virtual wireless terminals and the generation of data service information through the packet core network, and the performance and capacity of the packet core network or SGSN according to signals and traffic transmitted and received with the packet core network. Wireless terminal / wireless simulator for measurement, activates data service information and creates sessions according to SGSN's requirements, measures SGSN's signal processing capability according to activation request, and sends and receives with wireless terminal / wireless simulators through session GGSN simulator for measuring traffic capacity of SGSN by the data, internet simulator and GGSN for measuring traffic processing capacity of packet core network or GGSN by data transmitted / received with wireless terminal / wireless simulator through packet core network Require the data service to be activated and recall from GGSN Receive a response to the data service activation by measuring the signal processing capability of the GGSN and SGSN and a simulator for measuring the traffic handling capacity depending on the amount of data transmitted and received with the internet simulator.

Description

System and Method for Measurement efficiency and Capacity of Packet Core Network in WCDMA System

The present invention relates to an apparatus for measuring performance and traffic capacity of a communication system, and more particularly, to a system and method for measuring a performance of a packet core network in a WCDMA system, which is a third generation mobile communication system.

With the development of mobile communication technology, data to be transmitted in wireless communication network is gradually increasing in volume, and there is a need to transmit large data at high speed without error. The WCDMA system developed according to these demands is a third generation communication system for improving data transmission speed in a European-based mobile communication system.

The third generation system, represented by WCDMA system, was developed for the purpose of multimedia data transmission, and is differentiated from many existing systems such as high-definition image service and fast data transfer rate. Many institutions such as Korea, Europe, Japan, USA and China They are developing 3GPP (3'rd Generation Project Group) to develop technical specifications.

1 is a schematic structural diagram of a WCDMA system.

As shown, the packet core network 20, which is a core network of the WCDMA system, is connected to the wireless terminal 10 through a wireless network, and is connected to the additional service network 40 through the Internet 30. In addition, the packet core network 20 includes a service GPRS support node (SGSN) 100 and a gateway GPRS support node (GGSN) 200, and a roaming network 50. It is connected to other networks. The SGSN 100 provides a data service processing function similar to an exchange for providing a voice service, and is responsible for delivering packet data transmitted from or transmitted to the wireless terminal 10. To this end, the SGSN 100 performs functions such as packet routing and forwarding, mobility management, logical link management, authentication and charging management.

Location information, profiles, and the like for subscribers included in the management area of the SGSN 100 are stored in a database in the SGSN 100. The GGSN 200 provides a function capable of accessing an adjacent Internet 30, and converts a protocol of a packet transmitted from the SGSN 100 to be transmitted to a target packet data network, or an external packet such as the Internet 30. The packet transmitted from the data network is transmitted to the SGSN 100.

The SGSN 100 and the GGSN 200 enable high-speed and high-quality Internet services to mobile subscribers, and provide high-speed multimedia services to mobile subscribers from simple text-type wireless Internet services in asynchronous communication systems. It can be provided.

However, at present, equipment for measuring the performance, traffic capacity, and speed of the SGSN 100 and the GGSN 200, which are the core networks of the WCDMA system, has not been developed, and in order to provide better service to the mobile subscribers, the SGSN (100) has been developed. ) And the performance measurement system of the GGSN (200) is urgently required.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described needs, and is a packet in a WCDMA system capable of measuring the performance and capacity of a packet core network of a WCDMA system and the performance and capacity of each node of SGSN and GGSN constituting the packet core network. The technical challenge is to provide core network performance and capacity measurement systems.

The present invention for achieving the above technical problem is a system for measuring the performance and capacity of a packet core network connected to a wireless terminal via a wireless network, and connected to an external packet network via the Internet in a WCDMA system, the packet core The network includes an asynchronous network data service node (SGSN) and an asynchronous network data service gateway node (GGSN), and operates as a plurality of virtual wireless terminals under a user's control, and the plurality of virtual wireless terminal simulation units. A wireless network simulation unit converts a signal transmitted from the packet core network to the packet core network, converts a signal received from the packet core network into a wireless data signal, and transmits the signal to the wireless terminal simulation unit. The simulation unit is connected to the SGSN, When a signal is transmitted from the wireless terminal simulation unit under the user's control, a plurality of virtual wireless terminal registrations and data service information are requested to the packet core network, and the packet core is transmitted according to signals and traffic transmitted and received with the packet core network. A wireless terminal / wireless network simulator for measuring the performance and capacity of the network or the SGSN; And a signal processing unit for processing a control signal transmitted from an SGSN, a traffic processing unit and a database for processing data transmitted from the SGSN, and each of the signal processing unit and the traffic processing unit includes the wireless terminal / wireless network simulator and the SGSN. Connected to the mobile terminal, and activates data service information and generates a session according to the request of the SGSN, the signal processor measures the control signal processing capability of the SGSN according to the activation request, and the traffic processor wirelessly transmits through the session. A GGSN simulator for measuring traffic capacity of the SGSN by data transmitted and received with a terminal / wireless network simulator; An internet simulator connected to the GGSN and measuring a traffic processing capacity of the packet core network or the GGSN by data transmitted and received with the wireless terminal / wireless network simulator through the packet core network; And a signal processor for processing a control signal transmitted from the GGSN, a traffic processor and a database for processing data transmitted from the GGSN, wherein each of the signal processor and the traffic processor is connected through the Internet simulator and the GGSN. The signal processing unit requests to activate a data service with the GGSN, receives a response to the data service activation from the GGSN, measures the control signal processing capability of the GGSN, and the traffic processing unit transmits and receives with the Internet simulator. SGSN simulator for measuring the traffic processing capacity according to the amount of data to be provided.

In addition, the present invention is connected to a wireless terminal through a wireless network in a WCDMA system, and connected to an external packet network through the Internet, the packet core network is asynchronous network data service node (SGSN) and asynchronous network data service gateway node (GGSN) In the system for measuring the performance and capacity of the packet core network provided, the performance of the packet core network using the wireless terminal / wireless network simulator and GGSN simulator connected to the SGSN, the Internet simulator and SGSN simulator connected to the GGSN and A capacity measuring method comprising: requesting, by the wireless terminal / wireless network simulator, to register a plurality of wireless terminals with the SGSN as the wireless terminal / wireless network simulator is turned on; Measuring signal processing performance of the SGSN in the wireless terminal / wireless network simulator according to the terminal request permission signal of the SGSN for the plurality of wireless terminals; Requesting the SGSN to activate data service information to the GGSN by the number of the wireless terminals as the wireless terminal / wireless network simulator requests the number of the wireless terminals to generate the data service information to the SGSN. ; Transmitting a response signal for activating the data service information from the GGSN to the SGSN as many times as the number of the wireless terminals according to the SGSN's data service information activation request; Transmitting a radio resource allocation response signal to the SGSN in the wireless terminal / wireless network simulator as the SGSN requests allocation of radio resources to the wireless terminal / wireless network simulator; Measuring signal processing performance of the packet core network by the number of sessions generated by transmitting a response signal for a data service generation request from the SGSN to the wireless terminal / wireless network simulator; And measuring traffic processing capacity of the packet core network as traffic is transmitted between the wireless terminal / wireless network simulator and the internet simulator in the generated session.

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

FIG. 2 is a view for explaining an example in which a packet core network performance and capacity measurement system according to the present invention is applied to a WCDMA system.

As shown, the packet core network performance measurement system 300 of the present invention includes a wireless terminal / wireless network simulator 302 and a GGSN simulator 304 and a packet core connected to the SGSN 100 side of the packet core network 20. Internet simulator 306 and SGSN simulator 308 connected to the GGSN 200 side of the network 20, the wireless terminal / wireless simulator 302 and the GGSN simulator 304 of the SGSN 100 The performance is measured, and the performance of the GGSN 200 is measured by the Internet simulator 306 and the SGSN simulator 308. In addition, the performance and capacity of the packet core network composed of the SGSN 100 and the GGSN 200 may be measured by the wireless terminal / wireless network simulator 302 and the internet simulator 306.

When the power of the wireless terminal is turned on, the process of first registering the wireless terminal in the packet network is performed. Upon registration in the packet network, the SGSN 100 obtains subscriber information from a home location register (not shown), performs subscriber authentication, and responds to a registration request. Thereafter, the wireless terminal makes a data activation request in order to receive the data service. Accordingly, the GGSN 200 and the SGSN 100 generate data service related information, and the wireless network allocates radio resources for the data service.

When the data service related information is generated as described above, a path of a packet transmitted and received by the wireless terminal by the user is generated and data can be transmitted and received with an external packet network such as the Internet.

FIG. 3 is a detailed configuration diagram of a wireless terminal / wireless network simulator among the performance and capacity measurement systems shown in FIG. 2.

As shown, the wireless terminal / wireless network simulator 302 includes a wireless terminal simulation unit 310 and a wireless network simulation unit 311. In addition, the wireless terminal simulation unit 310 includes a user interface 314, mobility management and processing unit 316, database 318 and wireless data transmission and reception unit 318, the wireless network simulation unit 311 is a wireless data The converter 320, a data routing unit 322, and a first user plane tunneling generator 324 are included.

This wireless terminal / wireless network simulator 302 operates as a wireless network including a plurality of wireless terminals, a plurality of base stations and a wireless network controller from the point of view of the packet core network 30. That is, the wireless terminal / wireless network simulator 302 performs a role of a plurality of wireless terminals and a wireless network, transmits a large amount of signals generated by the plurality of wireless terminals to the SGSN 100 and receives a response thereto. To measure the signal processing performance of the SGSN 100.

The wireless terminal / wireless network simulation unit 302 may also be divided into the aspects of signal processing and data transmission. In FIG. 3, reference numeral 312 denotes a signal processor and reference numeral 313 denotes a traffic processor. The signal processor 312 processes a process of registering, releasing, and activating / deactivating the data service of the terminal performed by the wireless terminal simulation unit 310 for data service, and the traffic processor 313 transmits and receives actual data, that is, traffic. .

The configuration of the wireless terminal / wireless network simulator 302 will now be described in more detail. The user interface 314 transmits a command input by the user to the wireless network simulation unit 311 through the mobility management processor 316, and displays the command input from the mobility management and processor 316 on the monitor. That is, the GMM / SM (GPRS Mobility Management / Session Management) level commands are processed on the command line according to a signal input from the user, and are transferred to the mobility management and processing unit 316, and the mobility management and processing unit 316 It reads the transmitted signal into the scenario file and processes it. In addition, the present state of the GMM / SM is found through the mobility management and processing unit 316, and the mobility management and processing unit 316 also provides a method for setting the value of the detailed parameters of each command.

The mobility management and processing unit 316 receives a user's command from the user interface 314, sets detailed parameters according to the detailed parameter value setting method provided by the user interface 314, and sets the wireless network simulation unit 311. It serves to send to the wireless data conversion unit 320. In practice, it operates like many wireless terminals and performs only signal processing functions.

The wireless data converter 320 uses RANAP (Radio Access Network Application Part), which is a signal protocol related to call processing. The wireless data converter 320 communicates with the wireless terminal simulation unit 310 to transmit the GMM signal and the SM signal of the wireless terminal. It is received from the mobility management and processing unit 316 to be transmitted to the SGSN 100 through the data routing unit 322. In addition, the GMM signal and the SM signal are received from the SGSN 100 and transmitted to the wireless terminal simulation unit 310.

Meanwhile, traffic is transmitted from the wireless data transceiver 318 to the first user plane tunneling generator 324 by UDP / IP (User Datagram Protocol / Internet Protocol). The first user plane tunneling generator 324 transmits user traffic to the SGSN 100 through a GTP tunnel using a GPRS tunneling protocol-user plane (GTP-U) protocol. GTP-U is a protocol used for the user plane of the wireless terminal / wireless simulator 302 and the SGSN 100 interface. The SGSN 100 transmits the received data to the GGSN 200 through a new tunnel connected to the corresponding tunnel. ) So that data can be transmitted to the outside. In addition, the tunnel is generated by the RANAP protocol to the wireless data conversion unit 320, and at this time, an IP address to be used by the user and a transmission / reception direction of the GTP tunnel are generated together.

4 is a detailed configuration diagram of a GGSN simulator among the performance and capacity measurement systems shown in FIG. 2.

As shown, the GGSN simulator 304 includes a signal processor 330, a traffic processor 332, and a database 340. In addition, the signal processor 330 may include a GGSN simulator user interface 334, a first control plane tunneling generator 336, and a first data transmitter 338, and the traffic processor 332 may include a network data transmitter / receiver ( 341, a second user plane tunneling generator 342, and a second data transmitter 344.

The GGSN simulator is a device for measuring the signal processing performance and packet processing capacity of the SGSN 100 together with the wireless terminal / wireless network simulator 302, and operates like the GGSN 200 from the perspective of the SGSN 100. That is, the SGSN 100 processes the signal transmitted by the SGSN 100 in conjunction with the SGSN 100, sets up a tunnel according to the signal, and transmits and receives traffic with the SGSN 100 to improve the signal processing performance and the traffic processing capacity of the SGSN 100. To measure.

In more detail, the GGSN simulator user interface 334 transmits data transmitted from the SGSN 100 to the first control plane tunneling generation unit 336 and according to the signal throughput transmitted and received with the SGSN 100 according to the SGSN 100. Measure the performance. The first control plane tunneling generator 336 processes the signal transmitted from the GGSN simulator user interface 334 and transmits the generated traffic related information to the database 340 through the GPRS tunneling protocol-control plane (GTP-C) protocol. Save it. The first data transmitter 338 transmits the signal generated by the GGSN simulator 304 to the SGSN 100 or an external packet network.

The network data transceiver 341 transmits and receives data using a value stored in the database 340. The data received by the network data transmission / reception unit 341 is data transmitted by the wireless data transmission / reception unit 318 of the wireless terminal / wireless network simulator 302, and simulates uplink data transmitted by the wireless terminal to the network in a real environment. The data transmitted by the network data transmission / reception unit 341 is data received by the wireless data transmission / reception unit 318 of the wireless terminal / wireless network simulator 302. In a real environment, the downlink received by the wireless terminal from the network is used. Data. Traffic capacity of the SGSN 100 may be measured according to transmission / reception data from the network data transmission / reception unit 341.

Meanwhile, the traffic generated by the network data transceiver 341 is transmitted to the SGSN 100 or the external packet network through the tunnel generated by the second user plane tunneling generator 342 and the second data transmitter 344.

FIG. 5 is a detailed configuration diagram of the internet simulator among the performance and capacity measurement systems shown in FIG. 2.

The internet simulator 306 measures the packet processing capacity of the GGSN 200 with the SGSN simulator 308 which will be described later, or the performance and packet processing capacity of the packet core network 20 with the wireless terminal / wireless network simulator 302. As an apparatus for measuring a, it comprises a network data transmission and reception unit 350 and the third data transmission unit 352.

The network data transmission / reception unit 350 transmits and receives data to and from the GGSN 200 by UDP / IP through the third data transmission unit 352. The data received by the network data transmission / reception unit 350 is a GGSN 200. Data transmitted by the network data transceiver 350 is data received by the GGSN 200, and is a packet core network 20 according to the amount of data transmitted and received by the network data transceiver 350. Or the traffic capacity of the GGSN 100 may be measured.

FIG. 6 is a detailed configuration diagram of the SGSN simulator of the performance measurement system shown in FIG. 2.

The SGSN simulator 308 is a device for measuring the performance and packet processing capacity of the GGSN 200 together with the Internet simulator 306. The SGSN simulator 308 processes signals transmitted and received with the GGSN 200 in conjunction with the GGSN 200, A tunnel is set up accordingly to transmit and receive traffic to and from the GGSN 200 to measure signal processing performance and traffic processing capacity of the GGSN 200, and includes a signal processor 360, a traffic processor 362, and a database 370.

Here, the signal processor 360 includes an SGSN simulator user interface 364, a second control plane tunneling generator 366, and a fourth data transmitter 368, and the traffic processor 362 includes a wireless data transceiver. 371, a third user plane tunneling generator 372, and a fifth data transmitter 374.

The SGSN simulator user interface 364 receives a signal transmitted from the GGSN 200, and the signal to be transmitted from the SGSN simulator 308 to the GGSN 200 is controlled by the command of the SGSN simulator user interface 364 in the second control plane. Processing is performed in the tunneling generator 366. The signal processing performance of the GGSN 200 is measured according to the signals transmitted and received by the SGSN simulator 364. The second control plane tunneling generator 366 stores the traffic related information generated from the signal transmitted from the SGSN simulator user interface 364 in the database 370.

The traffic stored in the database 370 is controlled by the GTP-U protocol and the UDP / IP protocol through the third user plane tunneling generator 372 and the fifth data generator 374 in the wireless data transceiver 371. 306 or GGSN 200. The data received by the wireless data transmission / reception unit 371 is data transmitted from the network data transmission / reception unit 350 of the internet simulator 306, which is downlink data received by the wireless terminal from the network in a real environment. The data transmitted by the 371 is data received by the network data transmission / reception unit 350 of the Internet simulator 306 and is uplink data transmitted by the wireless terminal from the network in a real environment.

As such, the wireless terminal / wireless network simulator 302 measures the performance and traffic processing capacity of the SGSN 100 in the packet core network together with the GGSN simulator 304, or the packet core network 20 together with the internet simulator 306. Measure performance and capacity. In addition, the SGSN simulator 308 measures the performance and capacity of the GGSN 200 of the packet core network together with the internet simulator 306.

FIG. 7 is a flowchart illustrating a method for measuring packet core network performance and capacity using a wireless terminal / wireless network simulator and a GGSN simulator, and illustrates a method of measuring signal processing performance and traffic processing capacity of SGSN.

First, as the wireless terminal / wireless network simulator 302 is turned on, the wireless network simulation unit 310 of the wireless terminal / wireless network simulator 302 operates as a plurality of terminals to the SGSN 100. After requesting to register a plurality of wireless terminals (Attach Request) (S101), SGSN 100 allows the wireless terminal registration after performing the subscriber authentication using the subscriber information stored in the home location register for the plurality of terminals ( Attach Accept) is repeated (S102). Here, the measurer may designate the number of wireless terminals and the registration speed using the user interface 314, and the user interface 314 of the wireless terminal / wireless simulator 302 may perform the terminal registration capability of the SGSN 100. It can be measured.

Thereafter, if the wireless terminal simulation unit 310 of the wireless terminal / wireless network simulator 302 requests to generate data service information (PDP Context Activation Request) (S103), the SGSN 100 may activate the data service information. Request to the GGSN simulator 304 (Create PDP Context Request) (S104). Accordingly, as the GGSN simulator 304 transmits a Create PDP Context Response signal to the SGSN 100 (S105), the IP address and the SGSN 100 and the GGSN simulator 304 are transmitted. The same data service related information is generated and a session is created. Here, the data service information activation request and response process is repeated as many times as the number of terminals at a specified registration rate. In addition, in this process, the GGSN simulator 304 measures the signal processing performance of the SGSN 100 according to the number and time of data service activation request signals received from the SGSN 100.

Subsequently, when SGSN 100 requests to allocate a radio resource to the radio network simulation unit 311 of the radio terminal / wireless network simulator 302 (RAB Assignment Request) (S106), the radio network simulation unit 311 In step S107, the radio terminal / wireless simulator 302 responds to the data service activation request in the SGSN 100 (PDP Context Activation). Response) As the signal is received (S108), the signal processing performance of the SGSN 100 can be measured.

After the SGSN 100 is activated as described above, traffic is transmitted between the wireless terminal / wireless network simulator 302 and the GGSN simulator 304 for the session having succeeded in the above process (S109). The traffic capacity can be measured by specifying the number of sessions, packet length, number of packets, and packet transmission rate through which the sender sends traffic through the user interface 314. The wireless data of the wireless terminal / wireless network simulation unit 310 can be measured. The network data transceiver 341 of the transceiver 318 and the GGSN simulator 304 may measure the packet processing capacity of the SGSN 100.

Since the wireless terminal / wireless network simulator 302 is regarded as a plurality of wireless terminals and wireless networks from the perspective of the SGSN 100, the SGSN 100 must perform registration and data service generation processes for all wireless terminals. . Signal processing performance of the SGSN 100 according to the transmission and reception speed of the signal is the user interface 314 included in the wireless terminal simulation unit 310 of the wireless terminal / wireless network simulator 302 and the GGSN simulator user of the GGSN simulator 304 Measured at interface 334.

In addition, the traffic processing capacity transmitted and received between the wireless terminal / wireless network simulator 302 and the GGSN simulator 304 via the SGSN 100 may include the wireless data transmission / reception unit 318 and the GGSN of the wireless terminal / wireless network simulator 302. It is measured by the network data transceiver 341 of the simulator 304.

8 is a flowchart illustrating a packet core network performance measurement method using an internet simulator and an SGSN simulator, and illustrates a method of measuring signal processing performance and traffic processing capacity of a GGSN.

SGSN simulator 308 requests (Create PDP Context Request) to GGSN 200 to activate data service information (S201). Accordingly, as the GGSN 200 transmits a response to the data service information generation request (Create PDP Context Response) signal to the SGSN simulator 308 (S202), the process is performed by the measurer of the SGSN simulator user of the SGSN simulator 308. It is repeatedly performed according to the specified number and speed using the interface 364, and through this process, the performance of performing the session establishment process of the GGSN 200 can be measured.

Subsequently, traffic is transmitted for the successful session by step S201 and step S202 (S203). Traffic is sent and received between the internet simulator 306 and the SGSN simulator 308, and the measurer transmits the number of sessions, the length of the packet, the number of packets, and the transmission of the packet through the SGSN simulator user interface 364 of the SGSN simulator 308. You can specify the speed. The traffic processing capacity is measured by the wireless data transceiver 371 of the SGSN simulator 308 and the network data transceiver 350 of the Internet simulator 306.

9 is a flowchart illustrating a method for measuring packet core network performance and capacity using a wireless terminal / wireless network simulator and an internet simulator, and illustrates a method of measuring signal processing performance and traffic processing capacity of a packet core network.

First, as the wireless terminal / wireless network simulator 302 is turned on, the wireless network simulation unit 310 of the wireless terminal / wireless network simulator 302 operates as a plurality of terminals to the SGSN 100. After requesting to register a plurality of wireless terminals (Attach Request) (S301), SGSN 100 allows the wireless terminal registration after performing the subscriber authentication using the subscriber information stored in the home location register for the plurality of terminals ( Attach Accept) is repeated (S302). Here, the measurer may designate the number and registration speed of the wireless terminal using the user interface 314, and measure the terminal registration performance capability of the SGSN by receiving the terminal registration permission signal from the SGSN 100.

Thereafter, when the wireless terminal simulation unit 310 of the wireless terminal / wireless network simulator 302 requests to generate data service information to the SGSN 100 (PDP Context Activation Request) (S303), the SGSN 100 A request is made to the GGSN 200 to activate the data service information (Create PDP Context Request) (S304). Accordingly, as the GGSN 200 transmits a Create PDP Context Response signal to the SGSN 100 (S305), data such as an IP address is transmitted to the SGSN 100 and the GGSN 200. Service-related information is generated and a session is created. Here, the data service information activation request and response process is repeatedly performed for a plurality of terminals. In addition, the measurer may designate the number of wireless terminals and a request rate for generating data service information using the user interface 314 of the wireless terminal / wireless network simulator 302.

Subsequently, when SGSN 100 requests to allocate a radio resource to the radio network simulation unit 311 of the radio terminal / wireless network simulator 302 (RAB Assignment Request) (S306), the radio network simulation unit 311 is performed. In step S307, the radio resource allocation response signal (RAB Assignment Response) is transmitted to the SGSN 100. Then, the wireless terminal / wireless network simulator 302 sends a PDP Context Activation Response signal to the data service activation request. As received from the SGSN 100 (S308), the user interface 304 of the wireless terminal / wireless network simulator 302 can measure the capability to perform activation of the packet core network 20.

As described above, the signal processing performance such as the terminal registration performance capability of the SGSN 100 and the activation performance capability of the packet core network 20 may be measured by the user interface 312 of the wireless terminal / wireless network simulator 302. Can be.

After the SGSN 100 is activated through the above process, traffic is transmitted / received between the wireless terminal / wireless network simulator 302 and the internet simulator 306 with respect to the session in which the above process is successful (S309). In order to measure the traffic capacity, the measurer may designate the number of sessions, packet length, number of packets, and packet transmission rate through the user interface 314. The wireless data of the wireless terminal / wireless network simulation unit 310 may be specified. The network data transceiver 350 of the transceiver 318 and the network simulator 306 may measure the traffic processing capacity of the packet core network 20.

As such, those skilled in the art will appreciate that the present invention can be implemented in other specific forms without changing the technical spirit or essential features thereof. Therefore, the above-described embodiments are to be understood as illustrative in all respects and not as restrictive. The scope of the present invention is shown by the following claims rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention. do.

As described above, according to the present invention, the signal processing performance and the traffic processing capacity of the entire packet core network of the WCDMA system can be measured using the wireless terminal / wireless network simulator, the GGSN simulator, the SGSN simulator, and the Internet simulator. Signal processing capability and traffic processing capacity of each node of SGSN and GGSN constituting packet core network can be measured.

1 is a schematic structural diagram of a WCDMA system;

2 is a view for explaining an example that the packet core network performance and capacity measurement system according to the present invention is applied to a WCDMA system;

3 is a detailed configuration diagram of a wireless terminal / wireless network simulator of the performance and capacity measurement system shown in FIG. 2;

4 is a detailed configuration diagram of a GGSN simulator of the performance and capacity measurement system shown in FIG. 2;

5 is a detailed configuration diagram of an internet simulator in the performance and capacity measurement system shown in FIG. 2;

6 is a detailed configuration diagram of the SGSN simulator of the performance and capacity measurement system shown in FIG.

7 is a flowchart illustrating a method for measuring packet core network performance and capacity using a wireless terminal / wireless network simulator and a GGSN simulator.

8 is a flowchart illustrating a method for measuring packet core network performance and capacity using an internet simulator and an SGSN simulator;

9 is a flowchart illustrating a method for measuring packet core network performance and capacity using a wireless terminal / wireless network simulator and an internet simulator.

<Description of the symbols for the main parts of the drawings>

10: wireless terminal 20: packet core network

30: Internet 40: Additional Service Network

50: roaming network 100: SGSN

200: GGSN 300: performance measurement system

302: Wireless Terminal / Wireless Network Simulator

304: GGSN Simulator 306: Internet Simulator

308: SGSN simulator 310: wireless terminal simulation unit

311: wireless network simulation unit 312: signal processing unit

313: traffic processing unit 314: user interface

316: mobility management and processing unit 317: database

318: wireless data transmission and reception unit 320: wireless data conversion unit

322: data routing unit 324: first user plane tunneling generation unit

330: signal processing unit 332: traffic processing unit

334: GGSN Simulator User Interface

336: first control plane tunneling generation unit 338: first data transmission unit

340: database 341: network data transceiver

342: second user plane tunneling processing unit

344: second data transmitter 350: network data transceiver

352: third data transmission unit 354: communication network interface

360: signal processor 362: traffic processor

364: SGSN Simulator User Interface

366: second control plane tunneling generation unit 368: fourth data transmission unit

370: database 371: wireless data transceiver

372: third user plane tunneling generation unit

374: fifth data transmission unit

Claims (12)

In a WCDMA system, a system for measuring the performance and capacity of a packet core network connected to a wireless terminal through a wireless network and connected to an external packet network via the Internet, the packet core network comprising an asynchronous network data service node (SGSN) and It has an asynchronous network data service gateway node (GGSN), Under the control of a user, a wireless terminal simulation unit operating as a plurality of virtual wireless terminals and a signal transmitted from the plurality of virtual wireless terminal simulation units are converted into network signals and transmitted to the packet core network, and received from the packet core network. And a wireless network simulation unit for converting the converted signal into a wireless data signal and transmitting the converted signal to the wireless terminal simulation unit, wherein the wireless network simulation unit is connected to the SGSN and, when a signal is transmitted from the wireless terminal simulation unit under the control of the user, Wireless terminal / wireless for requesting registration of a plurality of virtual wireless terminals and generation of data service information in a packet core network, and for measuring the performance and capacity of the packet core network or the SGSN according to signals and traffic transmitted and received with the packet core network. Network simulator; And a signal processing unit for processing a control signal transmitted from an SGSN, a traffic processing unit and a database for processing data transmitted from the SGSN, and each of the signal processing unit and the traffic processing unit includes the wireless terminal / wireless network simulator and the SGSN. Connected to the mobile terminal, and activates data service information and generates a session according to the request of the SGSN, the signal processor measures the control signal processing capability of the SGSN according to the activation request, and the traffic processor wirelessly transmits through the session. A GGSN simulator for measuring traffic capacity of the SGSN by data transmitted and received with a terminal / wireless network simulator; An internet simulator connected to the GGSN and measuring a traffic processing capacity of the packet core network or the GGSN by data transmitted and received with the wireless terminal / wireless network simulator through the packet core network; And A signal processor for processing a control signal transmitted from the GGSN, a traffic processor and a database for processing data transmitted from the GGSN, and each of the signal processor and the traffic processor is connected through the Internet simulator and the GGSN. The signal processing unit requests to activate a data service with the GGSN, receives a response to the data service activation from the GGSN, measures the control signal processing capability of the GGSN, and the traffic processing unit transmits and receives the Internet simulator. SGSN simulator for measuring the traffic processing capacity according to the amount of data; Performance and capacity measurement system of the packet core network in the WCDMA system having a. delete According to claim 1, The wireless terminal simulation unit database; A user interface for receiving a control command from a user or displaying a signal transmitted from the wireless network simulation unit; A mobility management and processing unit for processing a command transmitted from the user interface and transmitting the command to the wireless network simulation unit, or transmitting a signal transmitted from the wireless network simulation unit to the user interface; And A wireless data transceiver for transmitting wireless data stored in the database to the wireless network simulation unit or storing wireless data transmitted from the wireless network simulation unit in the database; Performance and capacity measurement system of the packet core network in the WCDMA system having a. According to claim 1, The wireless network simulation unit comprises: a wireless data conversion unit for converting a signal transmitted from the wireless terminal simulation unit by a Radio Access Network Application Part (RANAP) protocol; A data routing unit for transmitting the data converted by the wireless data conversion unit to the packet core network; And First user for transmitting the wireless data transmitted from the wireless terminal simulation unit by UDP / IP (User Datagram Protocol / Internet Protocol) to the packet core network using a GPRS tunneling Protocol-User Plane (GTP-U) protocol A planar tunneling generator; Performance and capacity measurement system of the packet core network in the WCDMA system having a. According to claim 1, The signal processing unit of the GGSN simulator is a GGSN simulator user interface for processing data transmitted from the SGSN, and measuring the performance of the SGSN in accordance with the signal throughput transmitted and received with the SGSN; A first control plane tunneling generation unit for generating traffic related information from data transmitted from the GGSN simulator user interface and storing the traffic related information in the database through a GPRS tunneling protocol-control plane (GTP-C) protocol; And a first data transmitter for transmitting data transmitted from the first control plane tunneling generator to the outside or transmitting data received from the outside to the SGSN through the first control plane tunneling generator. The traffic processing unit of the GGSN simulator is a network data transceiver for measuring the traffic processing capacity of the SGSN by simulating the uplink data and downlink data of the wireless terminal / wireless network simulator; And A second user plane tunneling generator configured to transmit the traffic generated by the network data transceiver to the outside through a second data transmitter; Performance and capacity measurement system of the packet core network in the WCDMA system having a. According to claim 1, The Internet simulator includes a network data transceiver for transmitting and receiving data with the GGSN, and measuring the traffic capacity of the packet core network or GGSN based on the data transmitted and received; And A third data transmitter communicating with UDP / IP through the network data transceiver and a third data transmitter; Performance and capacity measurement system of the packet core network in the WCDMA system having a. According to claim 1, The signal processor of the SGSN simulator, an SGSN simulator user interface for processing data transmitted from the GGSN, and for measuring the performance of the GGSN according to the signal throughput transmitted and received with the GGSN; A second control plane tunneling generator for generating traffic related information from data transmitted from the SGSN simulator user interface and storing the traffic related information in the database through a GPRS tunneling protocol-control plane (GTP-C) protocol; And a fourth data transmitter for transmitting data transmitted from the second control plane tunneling generator to the outside or transmitting data received from the outside to the GGSN through the second control plane tunneling generator. The traffic processing unit of the SGSN simulator is a network data transceiver for measuring the traffic processing capacity of the GGSN by simulating uplink data and downlink data of the wireless terminal / wireless network simulator; And A third user plane tunneling generator configured to transmit the traffic generated by the network data transceiver to the outside through a fifth data transmitter; Performance and capacity measurement system of the packet core network in the WCDMA system having a. In a WCDMA system, connected to a wireless terminal through a wireless network, and connected to an external packet network through the Internet, the packet core network includes a packet core network having an asynchronous network data service node (SGSN) and an asynchronous network data service gateway node (GGSN). In the system for measuring the performance and capacity of the SGSN, the performance and capacity measurement method of the SGSN using a wireless terminal / wireless network simulator and GGSN simulator connected to the SGSN, the Internet simulator and SGSN simulator connected to the GGSN, Requesting the wireless terminal / wireless network simulator to register a plurality of wireless terminals with the SGSN as the wireless terminal / wireless network simulator is turned on; Measuring signal processing performance of the SGSN according to the terminal request permission signal of the SGSN for the plurality of wireless terminals; Requesting the SGSN to activate data service information to the GGSN simulator as many times as the number of the wireless terminals as the number of the wireless terminals is requested by the wireless terminal / wireless network simulator. ; Measuring signal processing performance of the SGSN according to the SGSN data service information activation request and transmitting a response signal for the data service information activation to the SGSN by the number of wireless terminals; Transmitting a radio resource allocation response signal to the SGSN in the wireless terminal / wireless network simulator as the SGSN requests allocation of radio resources to the wireless terminal / wireless network simulator; Measuring signal processing performance of the SGSN by the number of sessions generated by transmitting a response signal for a data service generation request from the SGSN to the wireless terminal / wireless network simulator; And Measuring traffic processing capacity of the SGSN as traffic is transmitted between the wireless terminal / wireless network simulator and the GGSN simulator in the generated session; Method of measuring the performance and capacity of the packet core network in the WCDMA system comprising a. The method of claim 8, And specifying the number of wireless terminals and a registration speed in a wireless terminal / wireless simulator before performing the step of requesting registration of the wireless terminal. delete In a WCDMA system, connected to a wireless terminal through a wireless network, and connected to an external packet network through the Internet, the packet core network includes a packet core network having an asynchronous network data service node (SGSN) and an asynchronous network data service gateway node (GGSN). A system for measuring the performance and capacity of a packet core network using a wireless terminal / wireless network simulator and a GGSN simulator connected to the SGSN, an internet simulator connected to the GGSN, and an SGSN simulator, Requesting the wireless terminal / wireless network simulator to register a plurality of wireless terminals with the SGSN as the wireless terminal / wireless network simulator is turned on; Measuring signal processing performance of the SGSN in the wireless terminal / wireless network simulator according to the terminal request permission signal of the SGSN for the plurality of wireless terminals; Requesting the SGSN to activate data service information to the GGSN by the number of the wireless terminals as the wireless terminal / wireless network simulator requests the number of the wireless terminals to generate the data service information to the SGSN. ; Transmitting a response signal for activating the data service information from the GGSN to the SGSN as many times as the number of the wireless terminals according to the SGSN's data service information activation request; Transmitting a radio resource allocation response signal to the SGSN in the wireless terminal / wireless network simulator as the SGSN requests allocation of radio resources to the wireless terminal / wireless network simulator; Measuring signal processing performance of the packet core network by the number of sessions generated by transmitting a response signal for a data service generation request from the SGSN to the wireless terminal / wireless network simulator; And Measuring traffic processing capacity of the packet core network as traffic is transmitted between the wireless terminal / wireless network simulator and the internet simulator in the generated session; Method of measuring the performance and capacity of the packet core network in the WCDMA system comprising a. The method of claim 11, wherein And specifying the number of wireless terminals and a registration speed in a wireless terminal / wireless simulator before performing the step of requesting registration of the wireless terminal.