KR100590508B1 - Method and System for Monitoring Bad Packet Data in Access Network of 1x EV-DO System - Google Patents

Abstract

The present invention relates to a method and system for monitoring bad packet data in an access network of a 1x EV-DO system.

The present invention provides a system for monitoring bad packet data causing a data service failure in a 1x EV-DO system. The present invention provides a voice service through a CDMA 2000 1X system or a WCDMA system, and provides high-speed data through the 1x EV-DO system. A hybrid terminal receiving a service; A base transceiver station (BTS) and a base station controller (BSC) for delivering voice to the hybrid terminal, and an access network transceiver subsystem (ANTS) and an access network controller (ANC) for transmitting packet data to the hybrid terminal. An access network comprising a; A public switched telephone network that connects a telephone line to a telephone exchange facility to allow the hybrid terminal to talk to a regular telephone or another hybrid terminal; A mobile communication switching center connected with the public switched telephone network to provide a connection path for a voice call to a communication call from the hybrid terminal; An internet providing the packet data to the hybrid terminal; A wired terminal interworking with the Internet; A router for connection with the Internet; And a packet data analysis server interworking with the access network and the Internet and monitoring the packet data transmitted between the hybrid terminal and the access network.

According to the present invention, there is an advantage that the system operator can recognize in real time the bad packet data generated between the access network and the hybrid terminal through a wired network and / or a wireless network, and provides a cause for the bad packet data. By accurately and quickly solving the communication problem, there is an effect that can provide a good packet service.

1x EV-DO, Bad Packet Data, Monitoring, Access Network

Description

Method and System for Monitoring Bad Packet Data in Access Network of 1x EV-DO System

1 is a block diagram schematically showing the configuration of a 1x EV-DO system for providing information on bad packet data in an access network according to a preferred embodiment of the present invention;

2 is a block diagram schematically illustrating a packet data analysis server according to a preferred embodiment of the present invention;

3 is a table showing a cause of bad packet data according to a preferred embodiment of the present invention;

4 is a flowchart illustrating a process of monitoring bad packet data in an access network of a 1x EV-DO system according to an exemplary embodiment of the present invention.

<Description of Symbols for Main Parts of Drawings>

100: hybrid terminal 110: access network

112: BTS 114: BSC

116: mobile communication switching center 118: public switched telephone network

120: ANTS 122: ANC

124: packet data serving node 126: home agent

128: router 130: authentication server

132: Internet 134: access network authentication server

136: DLR 138: Packet Data Analysis Server

140: wired terminal 200: packet data receiving unit

202: bad packet data setting unit 204: control unit

206: packet data comparison unit 208: database unit

210: result information transmission unit

The present invention relates to a method and system for monitoring bad packet data in an access network of a 1x EV-DO system. More specifically, a method for monitoring bad packet data in an access network of a 1x EV-DO system that provides information about bad packet data among packet data transmitted between a hybrid terminal and an access network in a process of using a 1x EV-DO service. And to the system.

The mobile communication system has been developed through the first generation analog AMPS (Advanced Mobile Phone System) method, the second generation cellular (Cellular) / personal communication service (PCS) method, and recently, the third generation high speed data. International Mobile Telecommunication-2000 (IMT-2000) has been developed.

The IMT-2000 service may be classified into a code division multiple access (CDMA) 2000 1X service and a CDMA 2000 1x EV-DO service. The CDMA 2000 1X service uses the IS-95C network, which has evolved from the existing IS-95A and IS-95B networks. Internet-enabled service. Accordingly, the CDMA 2000 1X service enables the improvement of existing voice and WAP (Wireless Application Protocol) service quality as well as the provision of various multimedia services (AOD, VOD, etc.).

Meanwhile, the IMT-2000 system for the multimedia mobile communication service defined the standard of the synchronous IMT-2000 system in the 3rd Generation Partnership Projects (3GPP2), an international standardization organization. The method based on High Data Rate (HDR) was named "CDMA 2000 1x Evolution Data Optimized (EV-DO)" and was confirmed as an international standard. CDMA 2000 1x EV-DO (hereinafter, referred to as '1x EV-DO') is a communication standard of CDMA 2000 1X (hereinafter, referred to as '1X'). to be.

The 1X system provides a one-way high-speed data service with a transmission rate of up to 307.2 Kbps in the form of a mixed circuit circuit and packet network. On the other hand, the 1x EV-DO system provides a bidirectional high speed data service having a transmission rate of up to 2.4 Mbps for packet networks only.

However, these 1x EV-DO systems are currently used interchangeably with existing 1X systems. That is, the 1x EV-DO system and the 1x system are mixed in hardware in one wireless base station or base station controller, and operations are performed separately. In other words, the base station transmitter is provided with a channel card for the 1x EV-DO system and a channel card for the 1x system, respectively. The base station controller also includes a data processing board for processing packet data transmitted and received in the 1x EV-DO system and a data processing board for processing data transmitted and received in the 1x system.

Meanwhile, when providing a data service to a mobile communication terminal in a mobile communication system such as a wireless base station or a base station controller, it is transmitted using a 1x EV-DO system, and in the case of a voice service, it is transmitted using a 1x system. The hybrid terminal capable of accommodating all of the communication services provided in the mixed state of the 1x EV-DO system and the 1x system monitors each system at regular intervals. That is, the hybrid terminal periodically searches for the 1x EV-DO system in the state of using the 1x system, and periodically searches for the 1x system in the traffic state of the 1x EV-DO system.

Meanwhile, the 1x EV-DO system performs a call drop if the hybrid terminal in a traffic state for a predetermined time, for example, 5.12 seconds, does not respond to the pilot channel. This is for more efficient operation of system resources by releasing the established call connection with the hybrid terminal that does not answer the call for some reason.

However, in the case where call disconnection occurs between the system side providing the service and the terminal side using the service in the current 1x EV-DO system, the system operator does not properly grasp where the cause of the call disconnection occurred. have. That is, whether it is due to the failure of the 1x EV-DO system, due to the failure of the hybrid terminal itself, or due to the radio wave shadow area, and the call disconnection while performing the failure or called voice call in the 1X system during the search of the 1X system. Does not know whether Therefore, there is a problem that it is difficult to solve the problem of communication failures accurately and quickly, so that a higher quality packet service may not be provided to 1x EV-DO service users.

In order to solve the above problems, an object of the present invention is to configure a packet data analysis server for monitoring packet data in an access network of a 1xEV-DO system. In addition, the present invention, by setting the guard time (Guide Time) in the packet data analysis server, when bad packet data transmission occurs beyond the guard time, information such as occurrence time, duration time, cause of occurrence of bad packet data It is an object of the present invention to provide a method and system for monitoring bad packet data in an access network of a 1x EV-DO system, which identifies and reports the result on-line or off-line.

Accordingly, according to a first object of the present invention, a system for monitoring bad packet data causing a data service failure in a 1x EV-DO system, and is provided with a voice service through a CDMA 2000 1X system or a WCDMA system, and the 1x EV. A hybrid terminal provided with a high speed data service through a DO system; A base transceiver station (BTS) and a base station controller (BSC) for delivering voice to the hybrid terminal, and an access network transceiver subsystem (ANTS) and an access network controller (ANC) for transmitting packet data to the hybrid terminal. An access network comprising a; A public switched telephone network that connects a telephone line to a telephone exchange facility to allow the hybrid terminal to talk to a regular telephone or another hybrid terminal; A mobile communication switching center connected with the public switched telephone network to provide a connection path for a voice call to a communication call from the hybrid terminal; An internet providing the packet data to the hybrid terminal; A wired terminal interworking with the Internet; A router for connection with the Internet; And a packet data analysis server interworking with the access network and the Internet and monitoring the packet data transmitted between the hybrid terminal and the access network.

In addition, according to a second object of the present invention, a hybrid terminal receiving a voice service through a CDMA 2000 1X system or a WCDMA system and receiving a high-speed data service and a base transceiver station for delivering voice to the hybrid terminal And an access network and telephone exchange facility including an Access Network Transceiver Subsystem (ANTS) and an Access Network Controller (ANC) for transmitting packet data to the hybrid terminal. Mobile communication, which is connected to a public switched telephone network and a public switched telephone network so that the hybrid terminal can talk to a general telephone or another hybrid terminal by connecting a line, and provides a connection path for a voice call to a communication call from the hybrid terminal. Exchange with the switching center and the hybrid terminal A server for monitoring bad packet data causing a data service failure in a 1x EV-DO system including an internet providing packet data, a wired terminal interworking with the internet, and a router for connecting to the internet, the access network comprising: A packet data receiver for receiving the packet data transmitted between the hybrid terminal and the hybrid terminal; A bad packet data setting unit which sets an initial value for detecting the bad packet data; A packet data comparison unit that includes an algorithm for analyzing the bad packet data by using occurrence cause information; A control unit which controls the overall operation of the server with a kind of central processing unit and generates monitoring result information; A database unit for storing the monitoring result information generated under the control of the controller; And a result information transmitter configured to transmit the monitoring result information to the hybrid terminal and / or the wired terminal by interworking with the database unit, the wired network, and / or the wireless network. do.

In addition, according to a third object of the present invention, a hybrid terminal receiving a voice service through a CDMA 2000 1X system or a WCDMA system and receiving a high-speed data service and a BTS (base transceiver) for delivering voice to the hybrid terminal A telephone line for an access network and a telephone exchange facility including an access station (BS) and a base station controller (BSC), and including an access network transceiver subsystem (ANTS) and an access network controller (ANC) for transmitting packet data to the hybrid terminal. A mobile switching center connected to a public switched telephone network and a public switched telephone network to allow the hybrid terminal to talk to a general telephone or another hybrid terminal by providing a connection path for providing a voice call to a communication call from the hybrid terminal. And phase into the hybrid terminal Internet for providing packet data, a wired terminal interworking with the Internet, a router for connecting with the Internet, interworking with the access network, and the Internet, and monitoring the packet data transferred between the hybrid terminal and the access network A method for monitoring bad packet data in a 1x EV-DO system including a packet data analysis server, comprising: (a) receiving an initial value for monitoring the bad packet data; (b) monitoring the packet data transferred between the access network and the hybrid terminal; (c) reading the presence or absence of abnormality in the packet data using cause information; (d) generating monitoring result information and storing the generated monitoring result information; And (e) provides a method for monitoring the bad packet data comprising the step of providing the monitoring result information.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. First of all, in adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are used as much as possible even if displayed on different drawings. In addition, in describing the present invention, when it is determined that the detailed description of the related well-known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

1 is a block diagram schematically illustrating a configuration of a 1x EV-DO system that provides information on bad packet data in an access network according to an exemplary embodiment of the present invention.

In the access network according to the preferred embodiment of the present invention, the configuration of the 1x EV-DO system that provides information on bad packet data is a hybrid terminal (HAT: Hybrid Access Terminal) 100, an access network (AN: Access Network) ( 110), mobile switching center 116, Public Switched Telephone Network (PSTN) 118, Packet Data Serving Node (PDSN) 124, Home Agent (HA) ( 126), router 128, authentication server (AAA: Authentication Authorization Accounting) 130, Internet 132, access network authentication server (AN-AAA), Access Network-Authorization Authentication Accounting (134), data location (DLR) Register 136, packet data analysis server 138, wired terminal 140, and the like.

Current 1x EV-DO systems are used interchangeably with existing 1X systems. That is, in one access network 110, the 1x EV-DO system and the 1x system are mixed and configured in hardware, and operations are performed separately. In other words, the access network 110 is provided with a channel card and channel board for 1x EV-DO system and a channel card and channel board for 1x system, respectively.

Accordingly, the access network 110 includes the BTS 112 and the BSC 114 of the 1X system, and in addition, the 1x EV-DO transmitter (ANTS: Access Network Transceiver Subsystem (ANTS)) for the 1X EV-DO system. 120) and a 1x EV-DO controller (ANC: Access Network Controller, hereinafter referred to as 'ANC') 122. Accordingly, when packet data is transmitted to the hybrid terminal 100, the packet data is transmitted through the 1x EV-DO system. When voice data is transmitted, the packet data is transmitted through the 1x system.

The hybrid terminal 100 is a terminal for 1x EV-DO data service, and receives a voice service through a 1X system, and has a hardware-separated configuration so that a high speed data service can be provided through a 1x EV-DO system. Have The hybrid terminal 100 is set to switch to 1X mode to communicate through the 1X system in the standby state, and then switches to the 1x EV-DO mode at regular intervals to check whether the call is received by the 1x EV-DO system. Perform the operation to return to 1X mode.

When the hybrid terminal 100 receives data through the 1x EV-DO system in the 1x EV-DO mode, since the amount of data to be received is very large, the hybrid terminal 100 from the access network 110 is considered. In the case of the forward transmission for transmitting data through the CDMA (Code Division Multiple Access) method, the channels divided by the code division multiple access (CDMA) method are transmitted through a time slot divided into time division multiplexing (TDM), and the hybrid terminal In the case of the reverse transmission transmitted from the 100 to the ANTS 120 and the ANC 122, the existing CDMA scheme is used as it is to accommodate a large number of users.

In addition, while receiving the data in the traffic state of the 1x EV-DO mode, the hybrid terminal 100 switches to the 1X mode at regular intervals and checks again whether there is an incoming call such as a voice signal using the 1X system. The operation of returning to the 1x EV-DO mode is repeatedly performed.

The BTS 112 provides a mobile communication service including voice and data to the hybrid terminal 100 through an air interface. In addition, the BTS 112 performs location registration to determine the location of the hybrid terminal 100 existing in the cell area under its control. The BTS 112 may obtain information such as latitude and longitude of the BTS 112 from the Global Positioning System (GPS), and use the hybrid terminal to transmit the position information of the BTS 112 through a system parameter message of the forward link call channel. Forward to 100. The hybrid terminal 100 may register new location information by calculating a moving distance of the hybrid terminal 100 itself using the location information of the BTS 112 of the cell to which the hybrid terminal 100 belongs.

The BSC 114 performs various functions required for radio call processing such as handoff while controlling and managing the BTS 112. That is, the BSC 114 for controlling voice or data transmission transmits the voice signal transmitted from the BTS 112 to the mobile communication switching center 116, and the data signal transmitted from the BTS 112 transmits the packet data serving node 124. To send).

The mobile switching center 116 physically connects the multiple BSCs 114 to another mobile switching center or public switched telephone network 118 to provide an access path for voice calls to the communication call from the hybrid terminal 100. .

In addition, the mobile communication switching center 116 is a home location register (HLR), which is a database that stores information of the hybrid terminal 100 registered with the hybrid terminal 100 within its own area. The user's call is processed by obtaining profile information of the hybrid terminal 100 from a visitor location register (VLR), which is a database that stores the information. The profile information stores information on a mobile identification number (hereinafter referred to as 'MIN'), an electrical serial number (ESN), and subscribed additional services of the hybrid terminal 100. .

The public switched telephone network 118 is a wired public telephone network provided by a general wired communication service provider. The network is configured to make calls.

The ANTS 120 serves to transmit only packet data to the hybrid terminal 100, and the ANC 122 serves to transmit data between the ANTS 120 and the packet data serving node 124. The ANC 122 is also connected to the access network authentication server 134 and the DLR 136.

Since the packet data serving node 124 and the home agent 126 exchange and manage the location of the hybrid terminal 100 by exchanging a fixed IP address and a temporary IP address of the hybrid terminal 100, the hybrid terminal 100 Receive data services at all times, no matter where you are on the go. Router 128 is only used for connection with the Internet 132.

Authentication server 130 is a function of verifying the status of the bandwidth, service, etc. of the hybrid terminal 100 to authenticate, the function of encrypting data using an encryption key (Key) to transmit and receive data through the Internet 132, A function of managing an encryption level and collecting data required for charging and settlement of the hybrid terminal 100 may be performed.

The access network authentication server 134 authenticates the hybrid terminal 100 to use the data service through the access network 110 and performs a function of authorizing the service. Therefore, the access network authentication server 134 stores service status information such as MIN, ESN and service request, termination, origination / use of the hybrid terminal 100, and the like.

Here, the access network authentication server 134 authenticates the hybrid terminal 100 accessing the access network 110 by using a standardized Challenge Handshake Authentication Protocol (CHAP). Here, the Challenge Handshake Authentication Protocol is one of the authentication protocols for the Point-to-Point Protocol (PPP) used for dial-up Internet Protocol (IP) connection. The encryption refers to a technology for authenticating the hybrid terminal 100 by transmitting a password.

The DLR 136 allocates a unicast access terminal identifier (UATI) to the hybrid terminal 100 and manages location information of the hybrid terminal 100. Here, UATI is an access terminal identifier for identifying the hybrid terminal 100 on the air standardized by 3GPP2 and is newly generated every time the DLR 136 moves. That is, over the air, UATI is used as an access terminal identifier, and MIN or IMSI (International Mobile Station Identity) is used as an access terminal identifier in a wired network. IMSI is a number that includes a country code (MCC), a country code (MNC) and a MIN.

When the hybrid terminal 100 is authenticated by the access network authentication server 134 and the UATI is assigned by the DLR 136, the Internet through the packet data serving node 124 in the same manner as the data communication in the 1X system ( Data service with 132 is made.

The packet data analysis server 138 is a device that interworks with an access network 110, which is a wireless network, and the Internet 132, which is a wired network, and monitors packet data transmitted between the hybrid terminal 100 and the access network 110. . The packet data analysis server 138 generates monitoring result information through a predetermined operation process, and stores the generated monitoring result information in a database provided with the generated monitoring result information. Here, the above-described predetermined operation is performed by the packet data analysis server 138 to detect a time point at which bad packet data transmission is performed, and check a period during which bad packet data transmission is performed by driving a timer provided therein. It refers to the process of analyzing the cause of occurrence.

In addition, the above-described monitoring result information includes information on when bad packet data transmission has occurred, information on the duration of bad packet data transmission, information on a section in which bad packet data transmission has been performed, and bad packet data transmission at the terminal side. It contains information about whether it has been done or system-side, and is stored in a graphic and / or text form in the database.

The system operator can check the monitoring result information stored in the packet data analysis server 138. First, the system operator uses the hybrid terminal 100 to authenticate the user to the packet data analysis server 138 through the wireless network. After attempting, a method of downloading and confirming the monitoring result information, and second, a system operator checks the monitoring result information of the packet data analysis server 138 through the Internet 132 which is a wired communication network using the wired terminal 140. And the third packet data analysis server 138 monitors the monitoring result information in real time after the time when the bad packet data is generated and / or the time when the bad packet data is released. There is a method for notifying the terminal 140.

Here, the hybrid terminal 100 and the wired terminal 140 are equipped with communication software and / or communication hardware interworking with the packet data analysis server 138, and in the case of communication software, downloaded from the packet data analysis server 138. Can be implemented in any possible form.

2 is a block diagram schematically illustrating a packet data analysis server according to a preferred embodiment of the present invention.

The packet data analysis server 138 according to the preferred embodiment of the present invention includes a packet data receiving unit 200, a bad packet data setting unit 202, a control unit 204, a packet data comparison unit 206, and a database unit 208. And a result information transmitter 210 and the like.

The packet data receiver 200 refers to a communication interface device for receiving packet data transmitted between the access network 110 and the hybrid terminal 100. That is, the packet data receiving unit 200 captures packet data transferred from the hybrid terminal 100 to the access network 110 or packet data transferred from the access network 110 to the hybrid terminal 100, and determines whether the packet data is bad. The captured packet data is transferred to the control unit 204 in order to read.

The bad packet data setting unit 202 may be configured to generate a condition time, a duration, a statistical analysis range (for example, a base station transmitter unit, a base station controller unit, a sector unit, etc.) for a timer when bad packet data is generated, and a partial packet call unit. A device capable of setting an initial value of the packet data analysis server 138 including statistics, statistics for all packet call units, real time transmission, and the like. In this case, the condition time means a threshold time for starting reading of the bad packet data when the bad packet data continues to occur in excess of the condition time among the packet data transmitted with a kind of guard time. .

The packet data comparison unit 206 is equipped with an algorithm for analyzing the cause of bad packet data according to the table shown in FIG. Under the control of the control unit 204, the packet data comparison unit 206 analyzes the cause of the bad packet data generation on the received packet data.

The controller 204 is a kind of central processing unit, which refers to a device that controls the overall operation of the packet data analysis server 138, and includes a storage unit and a timer equipped with packet data analysis software. That is, the controller 204 analyzes an initial value stored in the bad packet data setting unit 202 and a cause of bad packet data stored in the packet data comparison unit 206 based on the packet data received from the packet data receiving unit 200. It is determined whether or not bad packet data using. If it is determined that the packet data is bad, the controller 204 operates a timer provided to measure the timing, duration, etc. of occurrence of bad packet data, and generates database and / or text monitoring result information. ).

In addition, if 'real-time transmission' is set as an initial value in the bad packet data setting unit 202, the controller 204 hybridizes the monitoring result information generated at the time point at which the bad packet data is determined in real time to the hybrid of the system operator. Transmission to the terminal 100 and / or wired terminal 140.

The database unit 208 stores the monitoring result information in graphic form and / or text form generated under the control of the control unit 204.

The result information transmitter 210 interoperates with the database unit 208 and provides a communication interface device interoperating with a wired network and / or a wireless network. Therefore, the system operator may check the monitoring result information stored in the database unit 208 after accessing the packet data analysis server 138 using the wired terminal and / or the wireless terminal.

In addition, the result information transmitter 210 may monitor, in real time, the monitoring result information generated when the determination of the bad packet data is performed under the control of the controller 204 in a hybrid terminal 100 and / or a wired terminal of the system operator. To 140)

3 is a table showing a cause of bad packet data according to a preferred embodiment of the present invention.

 The control unit 204 determines the cause of the failure of the packet data according to the table shown in FIG. 3 and generates monitoring result information including the cause of the failure information.

The cause of the bad packet data is that the first access network 110 does not recognize the packet data to be transmitted to the hybrid terminal 100, the second hybrid terminal 100 when switching the base station for the hand off, etc., the third access network If the system equipment provided at 110 fails (for example, channel card down, main system down, ATM failure, etc.), the fourth due to the switching of the internal modem mounted on the hybrid terminal 100, A case in which packet data transmission failure occurs in the packet data serving node 124 may be mentioned. Of course, the cause of the bad packet data described above is described for example, but is not necessarily limited thereto.

4 is a flowchart illustrating a process of monitoring bad packet data in an access network of a 1x EV-DO system according to an exemplary embodiment of the present invention.

When the system operator generates a bad packet data in the bad packet data setting unit 202 included in the packet data analysis server 138, the condition time, duration, and statistical analysis range (eg, base station transmitter unit, base station controller) for timer operation are generated. Unit, sector, etc.), statistics for some packet call units, statistics for all packet call units, real time transmission, and so on (S400), the packet data analysis server 138 according to the initial value. The packet data transmitted between the access network 110 and the hybrid terminal 100 is monitored (S402).

The packet data analysis server 138 checks whether the transmitted packet data is bad (S404). If it is determined that the packet data transmitted in step S404 includes bad packet data, the packet data analysis server 138 drives the provided timer to measure a time point, duration, and the like of bad packet data generation (S406).

After step S406, it is checked whether bad packet data generation continues according to the condition time set in the initial value, and if bad packet data is generated after the check time exceeds the condition time (S408), the packet data analysis server 138 checks the packet data. Analyzing the cause of the bad packet data according to the table shown in FIG. 3 through the comparing unit 206 (S410), and after generating the monitoring result information including the analyzed result, the database of the packet data analysis server 138 Stored in the unit 208 (S412). Even if the bad packet data transmission is not performed after exceeding the condition time after the timer is driven in step S408, it is checked whether the packet data is normal (S420), and if it is determined that the bad packet data is checked (S424) ). In addition, when it is not bad packet data in step S420, the timer operation is terminated, and the operation of the packet analysis server 138 is also initialized (S422). Here, the packet data analysis server 138 which has completed the initialization work continues the packet data monitoring.

The controller 204 of the packet data analysis server 138 checks whether 'real time transmission' is set as an initial value (S414), and if the 'real time transmission' is set as an initial value, the hybrid terminal of the system operator. 100 and / or the wired terminal 140 transmits the monitoring result information in real time (S416). On the other hand, if the 'real-time transmission' is not set to the initial value as a result of the check in step S412, the system operator performed the user authentication to the packet data analysis server 138 to the hybrid terminal 100 and / or wired terminal 140 After downloading and confirming the monitoring result information stored in the database unit 208 (S418). Here, if a call drop occurs during the real time transmission, the operation is terminated. If the call drop does not occur during the real time transmission, the packet data monitoring is continued after the transmission of the monitoring result information.

On the other hand, if it is determined that the packet data transmitted in step S404 does not include bad packet data, the packet data analysis server 138 regards the packet data as normal packet data and initializes the operation of the packet data analysis server 138. (S420).

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and changes without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of the present invention.

As described above, according to the present invention, there is an advantage in that a system operator can recognize in real time a bad packet data generated between an access network and a hybrid terminal through a wired network and / or a wireless network. By providing the cause, it is possible to solve the communication problem accurately and promptly, thereby providing a high quality packet service.

Claims (19)

A system for monitoring bad packet data causing a data service failure in a 1x EV-DO system. A hybrid terminal receiving a voice service through a CDMA 2000 1X system or a WCDMA system and receiving a high speed data service through the 1x EV-DO system; A base transceiver station (BTS) and a base station controller (BSC) for delivering voice to the hybrid terminal, and an access network transceiver subsystem (ANTS) and an access network controller (ANC) for transmitting packet data to the hybrid terminal. An access network comprising a; A public switched telephone network that connects a telephone line to a telephone exchange facility to allow the hybrid terminal to talk to a regular telephone or another hybrid terminal; A mobile communication switching center connected with the public switched telephone network to provide a connection path for a voice call to a communication call from the hybrid terminal; An internet providing the packet data to the hybrid terminal; A wired terminal interworking with the Internet; A router for connection with the Internet; And A packet data analysis server interworking with the access network and the Internet and monitoring the packet data transferred between the hybrid terminal and the access network; System for monitoring bad packet data, characterized in that it comprises a. The method of claim 1, And said hybrid terminal is equipped with communication software and / or communication hardware interoperating with said packet data analysis server. The method of claim 2, In the case of the communication software, the bad packet data monitoring system, characterized in that implemented in the form that can be downloaded from the packet data analysis server. The method of claim 1, The packet data analysis server generates monitoring result information including information on the cause of generation of the bad packet data through a predetermined operation, and stores the generated monitoring result information in a database unit having the generated monitoring result information. System for monitoring data. The method of claim 4, wherein The predetermined operation may be performed by the packet data analysis server detecting a time point at which the bad packet data transmission is performed, driving a timer provided to check a period during which the bad packet data transmission is performed, and a cause of occurrence of the bad packet data. The system for monitoring bad packet data, characterized in that it comprises a process of analyzing. The method of claim 4, wherein The monitoring result information includes information on the time point at which the bad packet data transmission occurs, information on the duration of the bad packet data transmission, information on a section in which the bad packet data transmission is performed, and the bad packet data transmission. The system for monitoring the bad packet data, characterized in that it is stored in the form of a graphic and / or text in the database, including information on whether or not made in the system side. The method of claim 1, The packet data analysis server is configured to monitor the bad packet data, characterized in that for transmitting in real time to the hybrid terminal or the wired terminal connected to the Internet. A voice terminal is provided through a CDMA 2000 1X system or a WCDMA system, and includes a hybrid terminal provided with high-speed data service and a base transceiver station (BTS) and a base station controller (BSC) for delivering voice to the hybrid terminal. And a telephone line connected to an access network and a telephone exchange facility including an access network transceiver subsystem (ANTS) and an access network controller (ANC) for transmitting packet data to the hybrid terminal. And a mobile communication switching center connected to the public switched telephone network to enable communication with the hybrid terminal and a mobile communication switching center providing a connection path for a voice call to a communication call from the hybrid terminal and providing the packet data to the hybrid terminal. Internet and A server for monitoring bad packet data causing a data service failure in a 1x EV-DO system including a wired terminal interworking with the Internet and a router for connecting to the Internet,  A packet data receiving unit for receiving the packet data transferred between the access network and the hybrid terminal; A bad packet data setting unit which sets an initial value for detecting the bad packet data; A packet data comparison unit that includes an algorithm for analyzing the bad packet data by using occurrence cause information; A control unit which controls the overall operation of the server with a kind of central processing unit and generates monitoring result information; A database unit for storing the monitoring result information generated under the control of the controller; And Result information transmission unit for transmitting the monitoring result information to the hybrid terminal and / or the wired terminal in conjunction with the database, wired and / or wireless network Server monitoring the bad packet data, characterized in that it comprises a. The method of claim 8, And the server monitors the bad packet data in association with the access network. The method of claim 8, The initial value may include the condition time information, the duration information, the statistical analysis range information, the statistical information for some packet call units, the statistical information for all packet call units, and the real time transmission information for timer operation when the bad packet data is generated. The server for monitoring the bad packet data, characterized in that it comprises all. The method according to claim 8 or 10, When the real time information is set to the initial value, the controller transmits the monitoring result information generated at the time when the determination of the bad packet data is made to the hybrid terminal and / or the wired terminal of a system operator in real time. The server for monitoring the bad packet data, characterized in that. The method of claim 8, The cause information includes information on a case in which the packet data to be transmitted to the hybrid terminal is not recognized, information on a case of switching a base station by handoff in the hybrid terminal, and a failure in system equipment provided in the access network. Bad packet data comprising information on a case, information on a case due to switching of an internal modem mounted in the hybrid terminal, and information on a case where the packet data transmission failure occurs in a packet data serving node. Server to monitor. Voice service is provided through a CDMA 2000 1X system or a WCDMA system, and includes a hybrid terminal provided with high-speed data service, a base transceiver station (BTS) and a base station controller (BSC) for delivering voice to the hybrid terminal. And a telephone line connected to an access network and a telephone exchange facility including an access network transceiver subsystem (ANTS) and an access network controller (ANC) for transmitting packet data to the hybrid terminal. A public switched telephone network that enables communication with a terminal and a mobile communication switching center connected to the public switched telephone network to provide a connection path for a voice call to a communication call from the hybrid terminal and provide the packet data to the hybrid terminal. Internet and And a packet data analysis server interworking with the wired terminal interworking with the Internet, the router for connection with the Internet, the access network, and the internet, and monitoring the packet data transferred between the hybrid terminal and the access network. As a method for monitoring bad packet data in a 1x EV-DO system, (a) receiving an initial value for monitoring the bad packet data; (b) monitoring the packet data transferred between the access network and the hybrid terminal; (c) reading the presence or absence of abnormality in the packet data using cause information; (d) generating monitoring result information and storing the generated monitoring result information; And (e) providing the monitoring result information Method for monitoring the bad packet data comprising a. The method of claim 13, wherein the packet analysis server A packet data receiving unit for receiving the packet data transferred between the access network and the hybrid terminal; A bad packet data setting unit which sets the initial value for detecting the bad packet data; A packet data comparison unit that includes an algorithm for analyzing the bad packet data using the occurrence cause information; A control unit which controls the overall operation of the server by a kind of central processing unit and generates the monitoring result information; A database unit for storing the monitoring result information generated under the control of the controller; And A result information transmission unit interworking with the database unit and interworking with a wired network and / or a wireless network to transmit the monitoring result information to the hybrid terminal and / or the wired terminal. Method for monitoring the bad packet data comprising a. The method of claim 13, wherein in step (a) The initial value may include the condition time information, the duration information, the statistical analysis range information, the statistical information for some packet call units, the statistical information for all packet call units, and the real time transmission information for timer operation when the bad packet data is generated. A method for monitoring bad packet data, characterized in that it comprises all. The method of claim 13, wherein in step (c) The cause information includes information on a case in which the packet data to be transmitted to the hybrid terminal is not recognized, information on a case in which the base station switches the base station by handoff, and a failure in system equipment provided in the access network. Bad packet data, including information on a case where the switching of the internal modem mounted in the hybrid terminal is performed, and information on a case where the packet data transmission failure occurs in the packet data serving node. How to monitor it. The method of claim 13, wherein in step (d) The monitoring result information includes information on the time point at which the bad packet data transmission occurs, information on the duration of the bad packet data transmission, information on a section in which the bad packet data transmission is performed, and the bad packet data transmission. And information about whether the packet is made at the system side or at the system side. The method of claim 13, wherein in step (d) And the monitoring result information is stored in graphic form and / or text form. The method of claim 13, wherein step (e) (e1) if the initial value is set to 'real time transmission', transmitting the monitoring result information to the hybrid terminal or the wired terminal in real time; And (e2) If the initial value is not set to 'real time transmission', after allowing the user to authenticate, allow access to the packet analysis server and transmit the monitoring result information to the hybrid terminal or the wired terminal in a download manner. Steps to Method for monitoring the bad packet data comprising a.

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