KR20030087875A - Method and System for Monitoring Wireless Terminal's Call Attempt for Wireless Data Communication - Google Patents

Abstract

PURPOSE: A method and a system for monitoring a call attempt in a wireless communication terminal for wireless data communication are provided to calculate the call success rate of a mobile terminal through a terminal control program and to generate an alarm when the call success rate drops below a threshold or call connections are not made as much as a preset number. CONSTITUTION: A wireless data communication system is comprised of a wireless communication terminal(100) connected to a computer(102) through a data cable, a mobile communication network(103) comprising a base station(104) and a mobile switching center(106), an IWF(Inter Working Function)(108), and a WAP(Wireless Application Protocol) gateway(110) connected to the Internet(112). The computer(102) controls the wireless communication terminal(100) using a terminal control protocol. The base station(104), connected with the wireless communication terminal(100) by wireless, transmits a call attempt request signal, generated from the wireless communication terminal(100), to the mobile switching center(106). The IWF(108) provides an interface for the switching of data between a wireless communication system and a wired communication system. The WAP gateway(110) converts Internet text file data into a binary code structure.

Description

Method and system for monitoring call attempt of wireless communication terminal for wireless data communication {Method and System for Monitoring Wireless Terminal's Call Attempt for Wireless Data Communication}

The present invention relates to a method and system for monitoring call quality of wireless data. More specifically, through the terminal control program using a protocol for controlling the mobile communication terminal calculates the success rate of the call connection of the mobile communication terminal, and if the success rate is lowered below the threshold or the number of call connection is not made for a predetermined number of times, the alarm is alerted. The present invention relates to a call attempt monitoring method and system for a wireless communication terminal for wireless data communication.

Since the Internet communication service, which is symbolized by the World Wide Web, has been in the spotlight, communication service has already made a big difference in human life in all aspects of society, economy and politics. It is hard to imagine life without the Internet, and the Internet is a part of life. Therefore, in recent years, the use of various high-speed communication networks, such as in order to use a variety of communication services in a better environment has increased significantly.

However, communication services such as the Internet using a computer have advantages in that the transmission speed is high and data input is convenient. However, when the communication service is no longer available, communication services cannot be used anymore. It has a disadvantage to use.

Therefore, in recent years, many companies are spurring the development of new technology called wireless Internet to provide communication services such as the Internet beyond the space. Wireless Internet refers to an environment and technology in which a user can use Internet services through a wireless network using a wireless communication terminal while the user moves. The development of wireless communication terminal technology and the rapid increase of wireless communication terminal penetration rate further promoted the development of wireless Internet environment.

On the other hand, as the wireless Internet environment is rapidly developed, the number of users who enjoy wireless data service using a mobile communication terminal is also rapidly increasing. Therefore, service quality management and improvement have emerged as an important problem as well as the development of wireless Internet technology.

A system for monitoring a plurality of devices connected to a network to implement such a wireless data service is a network management system (NMS: hereinafter referred to as "NMS"). NMS monitors all devices on the network in real time and performs monitoring, analysis and control of each device. NMS is operated by Single Netwokr Management Protocol (SNMP), SNMP is network management information of network equipment such as router, bridge, terminal server, host computer, etc. This is a standard communication protocol used to transmit the data to the network management system. SNMP is included in the User Datagram Protocol (UDP), which operates on an Internet Protocol (IP) basis. Therefore, in order to communicate using SNMP, both network devices to be managed and devices to manage must have IP addresses.

On the other hand, since a plurality of NMSs are generally installed in a unit network, due to a disadvantage in that a lot of costs are required to build a system, it may not be possible to build an NMS and thus may not manage devices on the network in real time.

Therefore, when a failure occurs in a network where NMS is not fully or sufficiently established, it is difficult to know which equipment failed and when the failure occurred, and it also takes a lot of time (about 50 minutes or more) to recognize the failure. As a result, wireless data services are a major problem.

In addition, as described above, in order to manage network devices using SNMP, each network device must have an IP address. In other words, the NMS determines whether the network equipment has failed by checking whether data is properly transmitted and received after the wireless communication terminal using the wireless data service accesses the wireless data communication system and is assigned an IP address.

Therefore, in the communication system using the NMS, it is possible to monitor whether or not the data is smoothly transmitted and received after being connected to the wireless communication terminal and the wireless data communication system. The disadvantage is that it can't be monitored.

In order to solve the above problems, the present invention calculates the success rate of the call connection of the mobile communication terminal through a terminal control program using a protocol for controlling the mobile communication terminal, the success rate is lowered below the threshold or the number of call connection by a predetermined number of times; Provided are a method and a system for monitoring a call attempt of a wireless communication terminal for wireless data communication that generates an alarm if not.

1 is a block diagram schematically illustrating a wireless data communication system according to an embodiment of the present invention;

2 is an exemplary screen of executing a monitoring program according to an embodiment of the present invention;

3 is a flowchart illustrating a monitoring process of a call attempt of a wireless communication terminal using a monitoring program according to an embodiment of the present invention;

4 is an exemplary screen showing a success rate of a call attempt in a bar graph according to an embodiment of the present invention.

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

100: wireless communication terminal 102: computer

104: wireless base station 106: mobile switching center

108: data matching device 110: WAP gateway

112: the Internet

To this end, the present invention is a wireless data service system for monitoring a call attempt of a wireless communication terminal using a wireless data service, the wireless communication terminal capable of accessing the wireless Internet using the wireless data service, the wireless communication terminal is connected to the call A computer with a built-in monitoring program for checking whether the attempt is successful, a mobile communication network receiving a call attempt signal from the wireless communication terminal, and data receiving the call attempt signal from the mobile communication network and allocating an IP address to the mobile communication terminal. It provides a call attempt monitoring system of a wireless communication terminal for wireless data communication comprising a matching device.

According to another object of the present invention, there is provided a method for monitoring a call attempt of a wireless communication terminal using a wireless data service, the method comprising: driving a monitoring program installed in a computer connected to the wireless communication terminal; Acquiring a control right of a terminal; performing a call attempt with a mobile communication network through the wireless communication terminal to obtain an IP address; confirming whether the call attempt is successful; Initializing the communication terminal, wherein the monitoring program repeats the steps (c) and (d) during the measurement time of the predetermined period, thereby calculating the success rate of the call attempt during the measurement time and the success rate If it is smaller than the threshold value by determining whether Attempts to call the wireless communication device for wireless data communication comprising the steps of transmitting the alarm provides a monitoring method.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention.

1 is a block diagram schematically illustrating a wireless data communication system according to an embodiment of the present invention.

As shown in Fig. 1, a wireless data communication system according to the present invention includes a wireless communication terminal 100, a wireless base station 104 and a mobile switching center 106, which are connected to a computer 102 via a data cable. And a mobile application network (IWF) interworking function (IWF) 108 and a wireless application protocol (WAP) gateway 110 connected to the Internet 112.

The wireless communication terminal 100 is a terminal supporting a standard for accommodating wireless Internet access and various wireless data services in order to use the wireless data service according to the present invention.

The computer 102 connected to the data communication port formed in the wireless communication terminal 100 through a serial communication cable functions to control the wireless communication terminal 100 using a terminal control protocol. That is, using the terminal control protocol, the wireless communication terminal 100 is implemented through the computer 102 such as on / off, dialing, making a text message, sending, confirming, deleting, and accessing the wireless Internet through the computer 102. All possible functions can be performed instead.

In addition, the computer 102 uses a terminal control protocol to monitor whether the wireless communication terminal 100 attempts success and success rate, an IP address assigned upon success, and an alarm program for generating an alarm when successive attempts fail. It is built in. Administrators who monitor wireless data services can determine the success rate of call attempts in real time through a monitoring program, which enables them to quickly identify failures in equipment on the network.

Here, the terminal control protocol is a protocol proposed for controlling a terminal using an external device, and accommodates Internet access through a data matching device 108, a short message service (SMS), a service using a WAP, and the like. can do. The terminal control protocol is applied based on standards proposed by the Telecommunications Industry Association (TIA) and the Electronic Industry Association (EIA). The terminal control protocol according to the embodiment of the present invention conforms to the standards of TIA / EIA / IS95-A, TIA / EIA / IS-637, TIA / EIA / IS-707, TIA / EIA / TSB74.

The wireless base station 104 has a base station having a wireless transceiver connected wirelessly to the wireless communication terminal 100 and transmitting a call attempt request signal generated by the wireless communication terminal 100 to the mobile switching center 106. Say. The mobile switching center 106 has a control function that allows the wireless base station 104 to operate efficiently and an interworking function with the switch of the public telephone network.

The data matching device (IWF: IWF) 108 provides an interface for exchanging data between a wireless communication system and a wired communication system, and provides protocols and signals in a form suitable for each network. And convert data. The data matching device 108 assigns an IP address to the wireless communication terminal 100 that requests access to the Internet 112. In general, the data matching device 108 is directly connected to the mobile switching center 106 to connect a wired communication network and a wireless communication network.

The WAP gateway 110 converts the text file data on the Internet into a binary code structure, and transmits an application or data that is helpful in an environment using the wireless communication terminal 100 to the mobile phone 100. Here, WAP is a general term for a communication protocol that enables the Internet to be used through a wireless communication terminal such as a mobile phone or a personal information terminal.

2 is an exemplary screen of executing a monitoring program according to an embodiment of the present invention.

The left screen of FIG. 2 is an area where an administrator inputs a command using the computer 102 and a response text of the terminal. In the left screen, the English string beginning with the letter 'at * skt *' is data that an administrator directly inputs using an input device of the computer 102. On the other hand, the English string starting with '* SKT *' is the response text of the terminal to the data input by the administrator.

Taking the left screen as an example, the operation of the monitoring program according to the present invention will be described. First, the administrator inputs a command 'at * skt * setkey = 1' using the computer 102. This command serves to set the computer 102 to control the wireless communication terminal 100. That is, without allowing an administrator to directly press the keypad of the wireless communication terminal 100, the keyboard of the computer 102 may perform a function of the keypad of the wireless communication terminal 100. In response, the message '* SKT * SETKEY: 1' indicates that the computer 102 has been given control of the wireless communication terminal 100.

The administrator then enters the command 'at * skt * iwfcon' using the computer 102. This command is for the wireless communication terminal 100 to be assigned an IP address from the data matching device 108 to use the wireless data service. That is, the command 'at * skt * iwfcon' functions as pressing the wireless internet access button on the keypad of the wireless communication terminal 100. In response, the message '* SKT * IWFCON: Connected (IP [10.1.62.141])' indicates that the IP address (10.1.62.141) is allocated to the wireless communication terminal 100. That is, the wireless communication terminal 100 may use the wireless data service through the assigned IP address. In addition, the gateway address and the domain name server (DNS) address are also displayed.

The monitoring program then automatically executes the command 'at * skt * keyemul = E'. This command is coded in the monitoring program so that it is executed automatically without the administrator entering it. The command 'at * skt * keyemul = E' serves to disconnect the Internet connection of the wireless communication terminal 100 connected to the Internet through the data matching device 108. That is, the command 'at * skt * keyemul = E' has the same function as pressing the end button on the keypad of the wireless communication terminal 100. The response 'EXIT' indicates that one call attempt has been completed.

On the other hand, when one call attempt is completed, the 'at * skt * iwfcon' command, which is coded in the monitoring program, is automatically executed and attempts to obtain an IP address again as described above. The string 'OK' is for indicating the end of the response message for the command input by the administrator. In addition, the right screen window is the same as the left screen window, which is for use when the two wireless communication terminal 100 is connected to one computer (102).

The 'environmental control panel' at the bottom of the screen of the monitoring program consists of the terminal number, the graph period setting box, the call attempt period adjustment box, and the warning limit value adjustment box.

Terminal numbers COM1 and COM2 represent ports provided in the computer 102, and a monitoring terminal is connected to this port. Accordingly, the administrator can select one of the two terminal numbers or both to select the monitoring terminal. Of course, the monitoring terminal is not necessarily limited to two devices as in the embodiment of the present invention, and the terminal may be additionally connected to the computer 102.

The Graph Period Settings box is used to set the time interval for graphing the success rate for call attempts. That is, when the graph period is set to 3 minutes as shown in Figure 2, the success rate for the call attempt is displayed as a graph every three minutes. This will be described in more detail with reference to FIG. 4.

The call attempt frequency adjustment box is used to set the time given for one call attempt. That is, if the call attempt time is set to 30 seconds as shown in FIG. 2, the wireless communication terminal 100 requests IP allocation through the data matching device 108 for 30 seconds. In the embodiment of the present invention, since an interval time for the next call attempt is allocated within 5 seconds, the IP allocation is actually requested for about 25 seconds.

On the other hand, it is preferable that the call attempt period is set in consideration of the setting of the graph period. In other words, if the graph period is short but the call attempt period is set long, it will be difficult to obtain accurate statistics because the call attempt is not made a few times. On the other hand, if the graph period is long but the call attempt period is set too short, it takes a long time to obtain statistics once.

The alert limit adjustment box is used to set the lowest value of the success rate of a call attempt during a preset graph period. That is, if the success rate of the call attempt falls below the threshold set in the warning threshold adjustment box, the monitoring program sends out a warning sound through the speaker of the computer 102 or the like. In addition, in the normal button and the continuous button on the right side of the warning limit adjustment box, the normal button is used to set the warning limit value as the value of the success rate as shown in FIG. On the other hand, the continuous button is used to set the maximum number of failed attempts of a call attempt. That is, if the continuous button is selected and the number of failures is set to 3, an alarm tone is transmitted when the mobile communication terminal fails three consecutive attempts.

3 is a flowchart illustrating a call attempt monitoring process of the wireless communication terminal 100 using a monitoring program according to an embodiment of the present invention.

The manager of the wireless data service system drives the monitoring program installed in the computer 102 (S300). Of course, the computer 102 and the wireless communication terminal 100 must be connected in advance via a cable to transmit and receive data.

In order to control the wireless communication terminal 100 to be tested, a specific command is input using the input device of the computer 102 (S302). This allows the computer 102 to control the wireless communication terminal.

When a specific command is input through the computer 102, the wireless communication terminal 100 attempts to obtain an IP address to use a wireless data service (S304). Here, the IP address assignment to the wireless communication terminal 100 is made by the data matching device 108 on the network.

The monitoring program checks whether the wireless communication terminal 100 is assigned an IP address (S306), and if the IP address is allocated, displays the allocated IP address on the screen of the computer 102 (S308). Otherwise, if it is determined that the IP address acquisition has failed for a preset time, a message indicating that the IP address acquisition failed is displayed on the screen of the computer 102 (S310). Here, the time for attempting to acquire an IP address is a few seconds (about 5 seconds) shorter than the call attempt period set in the call attempt period adjustment box described in FIG.

When one attempt to obtain an IP address ends, the monitoring program initializes the wireless communication terminal 100 (S312). Here, the initialization refers to the operation of returning the wireless communication terminal 100 to a state before obtaining an IP address, and disconnecting the connection of the wireless communication terminal 100 connected to the wireless data service system connected through the assigned IP address.

After the monitoring program initializes the wireless communication terminal 100, it determines whether the preset measurement time has elapsed (S314). If it is determined that the measurement time has not yet elapsed, the monitoring program proceeds to step S304 and attempts to acquire IP again. Otherwise, if it is determined that the measurement time has elapsed, the monitoring program calculates the success rate of the call attempt, and displays the calculated success rate on the screen of the computer 102 through various graphs or the like (S316).

Then, the monitoring program determines whether the calculated success rate is smaller than the warning limit described in FIG. 2 (S318). If it is determined that the success rate is smaller than the warning threshold, the monitoring program sends out an alarm sound through the speaker of the computer 102 or the like. Otherwise, if the success rate is determined to be greater than the warning threshold, call attempts are made for the next measurement time.

4 is an exemplary screen showing a graph of a success rate of a call attempt according to an embodiment of the present invention.

Referring to the COM1 area of FIG. 4, the horizontal axis (x axis) of the screen represents the number of graph cycles described in FIG. 2, and the vertical axis (y axis) represents a success rate. That is, if the period of the measurement time is set to 3 minutes, since each section of the graph cycle on the horizontal axis represents 3 minutes, the example screen of FIG. 4 may display the success rate of call attempts for a total of 30 minutes. 4 shows the success rate of the call attempt, and the success rate of the call attempt is expressed as a percentage at the top of the bar graph. Of course, although not shown in the example screen of FIG. 4, the success rate of call attempts of other mobile communication terminals 100 connected to the computer 102 may also be displayed in the COM2 area. In addition to bar graphs, pie, band, and line graphs can also be used.

It will be appreciated by those skilled in the art that the present invention is not limited to the above embodiments, and that various modifications and changes can be made without departing from the spirit of the present invention.

As described above, according to the present invention, even in a communication environment in which a network management system is not established, it is possible to check in real time whether a call attempt to the wireless Internet is made smoothly using a monitoring program.

In addition, the success rate of call attempts to the wireless Internet is easily displayed by displaying a bar graph or the like. When the success rate falls below a certain threshold, an alarm is generated and the network can be immediately repaired.

Claims (11)

A wireless data service system for monitoring call attempts of a wireless communication terminal using a wireless data service, The wireless communication terminal capable of wireless internet access using the wireless data service; A computer with a monitoring program connected to the wireless communication terminal to check whether the call attempt is successful; A mobile communication network for receiving a call attempt signal from the wireless communication terminal; And A data matching device receiving the call attempt signal from the mobile communication network and assigning an IP address to the mobile communication terminal Call attempt monitoring system of a wireless communication terminal for wireless data communication comprising a. The method of claim 1, The monitoring program records whether the call connection is successful for each call attempt, and determines whether the call connection success rate during a measurement period of a predetermined period does not exceed a predetermined limit value, and an alarm signal when the success rate is less than or equal to the predetermined limit value. Call attempt monitoring system of a wireless communication terminal for wireless data communication, characterized in that it generates and outputs. The method according to claim 1 or 2, And said computer is connected to a data communication port of said mobile communication terminal by a serial communication cable. A method for monitoring call attempts of a wireless communication terminal using a wireless data service, (a) driving a monitoring program installed in a computer connected to the wireless communication terminal; (b) the monitoring program obtaining control rights of the wireless communication terminal; (c) the monitoring program performing a call attempt with a mobile communication network through the wireless communication terminal to obtain an IP address; (d) checking whether the call attempt is successful and initializing the wireless communication terminal by the monitoring program; (e) the monitoring program calculating the success rate of the call attempt during the measurement time by repeating steps (c) and (d) for a measurement time period; And (f) determining whether the success rate is less than a threshold value and transmitting an alarm sound only when it is less than the threshold value; Call attempt monitoring method of a wireless communication terminal for wireless data communication comprising a. The method of claim 4, wherein The monitoring program attempts to call a wireless communication terminal for wireless data communication, characterized in that for controlling the mobile communication terminal using a terminal control protocol proposed by the TIA (Telecommunications Industry Association) and the EIA (Electronic Industry Association) as a standard. Surveillance Method. The method of claim 4, wherein The monitoring program further comprises a function of setting at least one of the measurement time, call attempt period, and the threshold value. The call attempt monitoring method of a wireless communication terminal for wireless data communication. The method according to claim 5 or 6, And the call attempt is made during a period except for an interval period for a next call attempt in the call attempt period. The method of claim 7, wherein And said interval period is set within 5 seconds. The method of claim 4, wherein The monitoring program has a function of transmitting the alarm sound even if the call attempt continuously fails the predetermined number of times regardless of the measurement time, the call attempt monitoring of the wireless communication terminal for wireless data communication. Way. The method of claim 4, wherein The call attempt monitoring method of the wireless communication terminal for wireless data communication, characterized in that the success of the call attempt is determined according to whether the mobile communication terminal is assigned the IP address. The process of claim 4, wherein in step (f) The success rate is a call attempt monitoring method of a wireless communication terminal for wireless data communication, characterized in that displayed on the execution screen of the monitoring program in numerical values and various graphs.