KR101029367B1 - System and Method for Monitoring Quality Index of Base Station - Google Patents

Abstract

The present invention relates to a quality indicator monitoring system and method of a base station.

To this end, the present invention, as a quality indicator monitoring method for managing call quality, when a call detail log (CDL: Call Detail Log) is generated for a voice call, by analyzing the CDL communication / call in each equipment of the wireless base station Calculate and save the percentage of communication calls and communication calls for each BTS-FA-Sector, and generate and graphicize quality indicator information or No Call information by comparing the CDL analysis result value of all calls of CDL. Display quality indicator information and defective local information.

According to the present invention, as the quality indicator details and defective locations in the base station are graphically displayed and displayed, the manager can check the quality index details such as the traffic rate, attempt call, fluorine call, and bad places in a plurality of base stations. It can be easily confirmed through the screen of, and as soon as possible to quickly recognize whether the abnormality in the base station, it is possible to prevent the call quality degradation.

Quality Indicator, No Call, Bad Locality, Traffic Rate, CDL, Wireless Base Station, BSC, BTS

Description

System and Method for Monitoring Quality Index of Base Station

1 is a configuration diagram briefly showing a base station quality indicator monitoring system used in the prior art,

2A and 2B are exemplary screens in which quality indicator details of a base station are conventionally displayed;

3 is a schematic diagram showing a base station quality indicator monitoring system according to an embodiment of the present invention;

4 is a block diagram schematically showing the internal configuration of the quality indicator monitoring server according to an embodiment of the present invention;

5 is a flowchart illustrating a quality indicator monitoring method of a base station controller according to an embodiment of the present invention;

6 is a flowchart illustrating a method for monitoring a quality indicator of a base station transmitter according to an embodiment of the present invention;

7 is an exemplary screen displaying a quality indicator result of a base station controller according to an embodiment of the present invention;

8 is an exemplary screen displaying a quality indicator monitoring result of a base station transmitter according to an embodiment of the present invention.

The present invention relates to a quality indicator monitoring system and method of a base station. More specifically, by monitoring the traffic rate of the base station controller or the base station transmitter through the call attempt history generated according to the end of the call, the quality of the base station in a graphic form so that the administrator can easily identify the base station controller or base station transmitter having poor traffic rate. A quality indicator monitoring system and method of a base station for displaying the indicator details.

As computers, electronics, and communication technologies have made rapid progress, various wireless communication services such as wireless voice call service and wireless internet service using a wireless network have been provided.

A mobile communication network providing such a wireless communication service is connected to a plurality of mobile communication terminals, manages a wireless base station for transmitting and receiving data wirelessly, manages a plurality of wireless base stations, and handles basic and additional service processing and call processing. Includes exchange offices. In the following description, the wireless base station will be described as a 'base station', and the mobile communication switching station will be described as a 'switch station'.

In such a mobile communication network, in order to provide a high quality mobile communication service, a call quality such as the number of attempted calls, a communication rate, a call completion rate, and a call disconnection rate in a voice call between mobile communication terminals is checked. Through the confirmation of the call quality, if an abnormality such as a call quality deterioration occurs, a prompt response thereto is provided, thereby providing quality services to users.

However, call quality such as the number of attempted calls, traffic rate, call completion rate, busy disconnect rate, etc. is determined by a base station including a base station transmitter and a base station controller. Accordingly, the call quality is confirmed through the base station, and such a call quality confirmation system is called a base station quality indicator monitoring system.

1 is a configuration diagram briefly showing a base station quality indicator monitoring system used in the past.

The existing base station quality indicator monitoring system provides a mobile communication service in the region where the transmitting base station 120 and the terminating mobile communication terminal 160 are located, which provides a mobile communication service in the region where the calling mobile terminal 110 is located. Receiving base station 150 and switching center 130;

The transmitting base station (BSS) 120 and the receiving base station 150 may include a base station transceiver subsystem (BTS) 122 and 152 and a base station controller (BSC) 124 and 154. And a repeater (not shown).

The base station transmitters 122 and 152 are arranged in units of cells and register location for determining the location of the originating mobile terminal 110 or the terminating mobile terminal 160, baseband signal processing, wired / wireless conversion, and wireless signals. It is a network endpoint device that directly connects to a mobile communication terminal by performing transmission and reception.

In the base station transmitters 122 and 152, if there is a call attempt using a mobile communication network, a log of all call attempts is recorded regardless of whether the call connection is successful. The record recorded in this way is called a call detail log (CDL), and the call state is stored by dividing the call state into 660 fields. Among the 660 fields, a field called CFC (Call Final Class) is a field that contains information on how a call is completed and is an important field for calculating an indicator of call quality. There are 256 cases of CFCs, which are represented by numbers from 0 to 255. If the call is completed normally, it is indicated by 1, 24, 31, 111 and the rest is indicated by fluorine call. The CDL thus recorded is periodically transmitted to the switching center 130.

The base station controllers 124 and 154 perform operation and maintenance functions such as transmission output control, soft handoff and hard handoff of the base station transmitters 122 and 152.

The exchange station 130 includes a mobile switching center (MSC) 132, an operations and maintenance center radio (OMCR) 134, and a screen display 136.

The exchange 132 accommodates up to 504 base stations 120 to handle call processing, data exchange processing, switching functions, and the like.

The OMCR 134 receives CDLs from the base station transmitters 122 and 152 that are periodically transmitted, and generates and stores CDL files in units of year, month, and day in the CDL directory. Then, the call quality checking operation is performed by displaying the CDL file generated through the screen display device 136. Currently, the call quality checked using the CDL file in the OMCR 134 is traffic rate, attempt call, traffic rate by Sector-FA (Frequency Assignment), and No call status through attempt call. It is expressed in text format. Here, No Call refers to a situation in which there is no attempt call, and is information for identifying a defective location of the base station transmitter.

FIG. 2A illustrates an example screen in which quality indicator details of a traffic rate and a trial call are displayed in a text format through a CFC, and FIG. 2B illustrates an example screen in which quality indicator details are displayed in a text format according to No call status. to be.

In FIG. 2A, a monitoring operation is performed on quality indicators such as a trial call, a traffic rate, a completion rate, and a cutting rate every 5 minutes. Accordingly, the status of the quality indicator for each base station controller is displayed, but there is a difficulty that can be easily confirmed by the administrator through the screen in a text format. In addition, even if the quality indicator suddenly rises or falls, the manager may miss it if he or she does not pay much attention.

In FIG. 2b, the monitoring for the defective area without a trial call is made every 5 minutes. As a result, it is possible to check the status of the defective station without the attempt call for each BTS-Sector-FA, but it is difficult for the administrator to identify the status of the defective station for the plurality of base stations connected to the switching center through the text form. There are many. In addition, if the quality indicator changes rapidly due to the influence of a specific base station, the administrator has to enter a number of commands to search for a specific base station whose quality index has changed rapidly, so it takes a lot of time to check the quality indicator. There is a problem that the operating efficiency is lowered.

In order to solve such a problem, the present invention establishes a quality indicator monitoring server and a quality indicator database for managing a plurality of OMCRs that collect call attempts generated according to call termination, and confirms them through collected call attempts. Provided is a quality indicator monitoring system and method of a base station displaying in a graphic form so that an administrator can easily check the quality indicator and the defective spot status.

In order to achieve the technical problem, the present invention, as a quality indicator monitoring system, in the quality indicator monitoring system for managing the call quality of the voice call serviced through the mobile communication system, call attempt history (CDL :) One or more wireless base stations generating a Call Detail Log); One or more centralized operations and maintenance center radios (OMCRs) for receiving CDLs and generating CDL files for checking call quality; A quality indicator monitoring server that analyzes CDL files received from one or more centralized conservative stations, and generates quality indicator information in graphic form for checking call quality; A quality indicator database for storing quality indicator information; And a screen display device for displaying the quality index information generated by the quality index monitoring server.

In order to achieve the second technical problem, the present invention provides a quality indicator monitoring server, which is a quality indicator monitoring server that manages call quality for voice calls between mobile terminals in a mobile communication system. A CDL collector for receiving a CDL file generated in the; A program storage unit for storing a CFC (Call Final Class) field analysis program for analyzing a CDL file and a Graphic User Interface (GUI) generating program for graphicizing quality indicator information; A data input / output unit which transmits the graphic quality indicator information to the screen display device; And a control unit for analyzing the CDL file, calculating the quality index information according to the analysis result, and graphicizing the data according to the GUI generation program to transmit the data to the data input / output unit.

In order to achieve the third technical problem, the present invention provides a quality indicator monitoring method of a base station controller, which provides quality indicator information in a mobile communication system through a screen display device, thereby managing call quality in a voice call service. A method for monitoring quality indicators, the method comprising: (a) generating a call detail log (CDL) for a voice call; (b) analyzing the CDL to calculate percentages of communication calls and fluorine calls at the base station controller of the wireless base station; (c) analyzing the total attempted call history of the CDL to calculate a CDL analysis result value; (d) generating quality indicator information by comparing the percentage value of the communication call and the fluorine call with the CDL analysis result value; And (e) graphically displaying the quality indicator information on the screen display device.

In addition, in order to achieve the fourth technical problem, the present invention provides a method of monitoring a quality indicator of a base station transmitter, and manages call quality by providing No Call information for local defect check in a mobile communication system through a screen display device. A method for monitoring quality indicators, the method comprising: (a) generating a call detail log (CDL) for a voice call; (b) analyzing the CDL to identify a base station transmitter, a frequency assignment (FA), and a sector with which the call is communicated, and calculating a communication call for each BTS-FA-Sector; (c) analyzing the total attempted call history of the CDL to calculate a CDL analysis result value; (d) comparing the value of the BTS-FA-Sector communication call with the CDL analysis result to find the BTS-FA-Sector which is not loaded and generating No Call information; And (e) graphically displaying the No Call information on the screen display device.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

In addition, when a part is said to "include" a certain component, it means that it may further include other components, without excluding other components unless otherwise stated.

In addition, the term module described herein refers to a unit for processing a specific function or operation, which may be implemented in hardware or software, or a combination of hardware and software.

3 is a schematic diagram showing a base station quality indicator monitoring system according to an embodiment of the present invention.

The base station quality indicator monitoring system according to the present invention includes a switch 132 for exchanging call and data calls between a plurality of base stations 302 to 312 and a plurality of base stations, and an OMCR 134 for collecting CDLs transmitted from the plurality of base stations. , 320 and 322), a quality indicator monitoring server 330 connected to a plurality of OMCRs, a quality indicator database 340 in which quality indicator information and no call information are stored, and a screen display device for displaying the status of quality indicators and bad spots ( 350).

The quality indicator monitoring server 330 checks call quality such as traffic rate, trial call, traffic rate by Sector-FA (Frequency Assignment) and No call status through trial call using CDL files transmitted from multiple OMCRs. It stores the quality index database 340. In addition, the quality indicator stored in the quality indicator database 340 and the status of the defective area is called and provided to the screen display device 350. At this time, the quality indicator monitoring server 330 provides the quality indicators and the status of defective areas in the form of a graphic, and if the attempt call or traffic rate is less than the reference value, or the quality indicator suddenly rises or falls, the screen display device 350 It also provides sound data for the alert sound.

The quality indicator monitoring server 330 sets up a communication environment in a TCP / IP manner to receive CDL files from a plurality of OMCRs, and uses a remote login function to secure a CDL file of the OMCR. Allow. Accordingly, the OMCR transmits the CDL processing file to the quality indicator monitoring server 330 whenever it is created.

Here, the quality indicator monitoring server 330 may be set to import the CDL processing file generated by accessing the respective OMCRs at predetermined time units (for example, 5 minutes).

An internal structure of the quality indicator monitoring server 330 for such a function will be described in detail with reference to FIG. 4.

The quality indicator database 340 stores the quality indicator information and the No Call information transmitted from the quality indicator monitoring server 330, the quality indicator history for the traffic rate and the attempt call from the quality indicator monitoring server 330, and no call. When there is a request for providing information on a defective location according to the information, the database provides the stored information.

The screen display device 350 is a device for displaying the quality indicator details and defective local information in a graphic form transmitted from the quality indicator monitoring server 330. In addition, when sound data is transmitted from the quality indicator monitoring server 330 also serves as a warning sound.

In this case, the screen display device 350 not only outputs the quality index details, defective location information and sound data, but also provides a quality index detail by the administrator, a request for providing detailed items on the defective areas, a request for analysis results, and the like. A command input device such as a keyboard or a mouse may be included to receive an operation request. At this time, a command input such as a detailed item providing request, an analysis result request, and other operation request input by an administrator is transmitted to the quality indicator monitoring server 330 and executed.

4 is a block diagram schematically showing the internal configuration of the quality indicator monitoring server according to an embodiment of the present invention.

The quality indicator monitoring server 330 according to the present invention includes a CDL collector 410, a program storage unit 420, a database server 430, a data input / output unit 440, and a controller 450.

CDL collector 410 provides an interface for receiving CDL files transmitted from a plurality of OMCR, the status of No Call through the traffic rate, attempt call, Sector-FA traffic rate and attempt call transmitted from a plurality of OMCR It is the part that collects quality indicator information. The CDL collector 410 receives the CDL from the OMCR at predetermined intervals and delivers the CDL to the controller 450.

The program storage unit 420 analyzes the CFC of the received CDL and visualizes quality indicator information such as a CFC field analysis program for determining communication and fluoride, information on quality indicators such as communication calls / trials, and bad location information by No Call information. This is a part in which software for overall control of the quality indicator monitoring server 310 such as a GUI (Graphics User Interface) generation program is stored.

The database server 430 controls data input / output of the quality indicator information and the No call information of the quality indicator database 320. That is, the quality indicator information and the No Call information analyzed by the controller 450 are stored in the quality indicator database 320, and the quality indicator information and the No Call stored in the quality indicator database 320 are requested by the controller 450. It is responsible for calling up information.

The data input / output unit 440 is a portion connected to the screen display device 350, and provides the screen display device 350 with the quality indicators and the defective location information graphicized by the control unit 450, and the control unit 450. When sound data for generating a warning sound is generated when an attempt call or a traffic rate is less than a preset threshold or when the quality indicator suddenly rises or falls, the generated sound data is transmitted to the display device 350. . In addition, when a detailed item request, an analysis result request, and other operation request of the quality indicator information and the defective location information are input from the screen display device 350, the controller 450 transmits the request to the controller 450.

The control unit 450 is a part of controlling the quality indicator monitoring server 330 as a whole, and includes the CFC field analysis module 452, the increase / decrease operation module 454, the table generation module 456, and the call / trial call monitoring module ( 458, a No Call monitoring module 460, a GUI generation module 462, and a sound generation module 464.

The CFC field analysis module 452 extracts a CFC field, which is a standard of call quality, from among 660 fields of the CDL, and analyzes the CFC field to determine communication and fluorescence.

The increase / decrease operation module 454 performs a first increase / decrease operation that calculates the number of communication / non-communications for each base station controller by using the communication / non-communication information determined from the CFC field analysis module 452, and determines whether or not there is communication / non-communication. Regardless of the CDL, the entire trial call is grouped to perform the second increment. In addition, by generating a CFC field into a BSC-BSC subdivision group and performing a third order increase / decrease operation to calculate the number of communication / non-communications, the CDL processing file to be used for the quality indicator information is analyzed. In addition, the increase / decrease calculation module 454 analyzes which base station transmitter (BTS), FA, and Sector the call is communicated through the CDL file, and processes the CDL to be used for the bad local information through the increase / decrease operation for each BTS-FA-Sector. It analyzes files.

The table generation module 456 is a result calculated by the increase / decrease calculation module, such as the number of communication / fluorine calls for each base station controller, the total attempts, and the number of communication / fluorine calls for each BSC-CFC, according to the analysis result of the CDL processing file. This part creates and stores the result table. In addition, the table generation module 456 stores the number of communication calls / fluorine calls for each BTS-FA-Sector through the increase / decrease calculation module and stores them as a BTS table.

In addition, it analyzes all CDL processing files stored in each OMCR and generates and stores the CDL analysis result table for each year, month, day, and time.

The call / trial call monitoring module 458 calculates the total number of attempted calls for each base station controller, the percentage of calls to all attempts, and the percentage of fluorine calls by referring to the result table generated by the table generation module 456. to be.

The No Call monitoring module 460 compares the BTS table of the communication call for each BTS-FA-Sector generated in the table generation module 456 with the CDL analysis result table of the OMCR to identify the BTS-FA-Sector (No Call) without a call. Find and save it separately. The storage of the BTS-FA-Sector without such a call is continued for a certain time unit (for example, 5 minutes), and if the call is not continuously made to the BTS-FA-Sector, the BTS No for the corresponding BTS-FA-Sector is not. The call management time is increased by FA-Sector, and accordingly, BTS information and No Call management time by BTS-FA-Sector are stored.

GUI generation module 462 is a total number of attempts by the base station controller, the percentage of calls to the total attempts, the percentage of fluorine calls and the BTS-FA-Sector for the administrator to easily check the quality indicator information and bad local information This is a graphic part of No Call management time. In this case, the GUI generation module 462 may generate the graph in various ways according to the data to be displayed.

For example, in graphicizing the quality indicator information, the manager may easily check the change process and display the CFC bar graph for each base station so as to identify which CFC value is high. In addition, a separate color may be assigned to the CFC graph related to communication, and may be graphicized to distinguish between CFCs related to communication and CFCs not related to communication.

In addition, in order to graphic the defective location information, each base station transmitter is displayed as a square box, and the color is displayed differently according to the No Call management time for each FA-Sector, so that the administrator can easily check the No Call time and take the corresponding action. Can be graphic to take.

Such a screen configuration will be described in detail with reference to FIGS. 7 and 8.

The sound generation module 464 generates a beep when the call or traffic rate is less than the reference value or when the quality indicator suddenly rises or falls in the call / trial call monitoring module 458 and the No call monitoring module 460. This is a part for generating sound data for notifying occurrence of abnormalities. The sound generating module 464 is configured to alert the user according to the type of object to be alerted (below the standard value of the attempt call, the standard value of the traffic rate, sudden rise or fall of the quality indicator, etc.) Types of sound data may be generated differently according to the reference value, degree of rise / fall, etc., and may be generated even when the data is restored to normal and the screen display device 350 may be generated through the data input / output unit 440. ) Can be sent.

Through the quality indicator monitoring server 330 configured as described above, quality indicator information and defective local information at the base station can be confirmed.

5 is a flowchart illustrating a quality indicator monitoring method of a base station controller according to an embodiment of the present invention.

When an attempt call is generated according to a call attempt between mobile terminals using a base station, the OMCR generates a CDL processing file in units of year, month, day, and time based on the CDL transmitted from the base station transmitter and stores it in the CDL directory (S500). ).

The quality indicator monitoring server 330 receives the CDL processed file generated by the OMCR on a predetermined time basis, or whenever the CDL processed file is generated, and groups the equipment by the equipment of the base station controller according to the analysis type. That is, the CFC field analysis module 452 analyzes the CFC field from the CDL processing file to determine communication and fluorescence, and performs the increase / decrease operation for each base station controller using the increase / decrease calculation module 454. Then, all attempted calls of the CDL are grouped to perform a second increase and decrease operation. Finally, by performing a third increment for each BSC-CFC from the CFC field of the CDL processing file, CDL information such as communication call / fluorine call is analyzed (S510).

When the CDL analysis is completed, the result table for the results of communication and fluorine calls by base station controller, total number of attempts, and number and number of CFC calls and fluorine calls by the table generation module 456 is provided. It generates (S520).

The quality index monitoring server 330 analyzes all CDL processing files stored in each OMCR and generates a separate CDL analysis result table for efficient management of the quality index. At this time, the CDL analysis result table is also generated in units of years, months, and hours (S530).

The call / trial call monitoring module 458 refers to the result table generated in steps S520 and S530 and the CDL analysis result table, and the percentage (communication rate) of the call for each base station controller and the total attempted call, the base station controller A percentage (fluorescence rate) of the fluorine call for each trial call and all trial calls is calculated (S540).

The communication call / trial call monitoring module 458 compares the calculated traffic rate with a preset threshold value (S550), and when the traffic rate falls below the threshold, generates sound data to notify the manager of the drop in the communication rate ( S560).

And, using the GUI generation module 462, the screen display device 350 by graphing the quality indicators such as the number of communication and fluorine calls, the total number of attempts, and the number of CFC and fluorine calls for each base station controller To provide. Here, the GUI generation program may be produced using various graphic programs, but it is preferable to produce a GUI program for rapid graphic generation. In addition, when providing the graphic quality indicator to the screen display device 350, when sound data is generated by the sound generating module 464, the generated sound data is also simultaneously transmitted (S570).

At this time, in the graph of the quality indicator in step S570, in order to facilitate the recognition of the administrator, it is possible to check which CFC value is high for each base station in the form of a bar graph using the GUI, and the CFC graph related to communication You can also specify a different color to distinguish it from CFCs that are not involved in communication.

Through such a method, the quality index monitoring server 330 may display the quality index information including the traffic rate of the base station controller by transmitting a graphic screen to the screen display device 330.

6 is a flowchart illustrating a quality indicator monitoring method of a base station transmitter according to an embodiment of the present invention.

When an attempt call is generated according to a call attempt between mobile terminals using a base station, the OMCR generates a CDL processing file in units of year, month, day, and time based on the CDL transmitted from the base station transmitter and stores it in the CDL directory (S600). ).

The quality indicator monitoring server 330 receives a CDL processed file generated by the OMCR on a predetermined time basis, or whenever a CDL processed file is generated, and communicates a call to a base station transmitter (BTS), FA, or sector. By analyzing whether the BTS-FA-Sector by increasing and decreasing the calculation, and calculates the communication call for each BTS-FA-Sector (S610).

When the communication call for each BTS-FA-Sector is calculated as described above, a BTS table for the calculated result value is generated and stored through the table generation module 456 (S620).

In addition, the quality indicator monitoring server 330 analyzes and stores all CDL processing files stored in each OMCR to identify a defective location, and then generates a separate CDL analysis result table. At this time, the CDL analysis result table is also generated in units of years, months and hours (S630).

The No Call monitoring module 460 checks specific BTS information from the CDL analysis result table and compares it with the BTS table checked in step S620, thereby finding a no call BTS-FA-Sector in the entire BTS-FA-Sector. Save as information. This operation is repeated every predetermined time, and if the call is not carried continuously, the No Call management time for the corresponding BTS-FA-Sector is increased for each FA-Sector (S640).

As described above, when the No Call management time for each BTS-FA-Sector is confirmed by the base station transmitter, the No Call management time is graphed and provided to the screen display device 350, and the administrator through the screen of the displayed No Call management time. Defective spots can be identified. At this time, by changing the color as the time the No Call occurs in the base station transmitter, it is possible to configure the graphic screen so that the administrator can take a quick action by easily confirming the No Call occurrence time (S650).

7 is an exemplary screen displaying a quality index result of a base station controller according to an embodiment of the present invention.

The quality indicator result screen according to the present invention includes a traffic rate and attempt call display unit 710, a BSC indicator display unit 720, and a BSC position display unit 730.

The traffic rate and attempt call display unit 710 displays a traffic rate displayed as a broken line graph and a trial call displayed as a bar graph, so as to check quality index information on the traffic rate, attempted call, and fluorine call of each base station controller. Can be.

The indicator display unit 720 for each BSC is a part for displaying the indicator value numerically so that the administrator can confirm the accurate indicator value with respect to the traffic rate and attempt call of each base station controller.

The BSC location display unit 730 is a part for displaying the area where the base station controller is located by using a map, etc., so that the manager can easily identify the location of the base station controller.

Such traffic and attempt call display unit 710, BSC-specific indicator display unit 720 and BSC position display unit 730 is preferably displayed on a different screen for each exchange. In 7A, the quality indicator graph for the first exchange PCX 1 that manages 8 base station controllers is displayed, and in 7B the quality indicator graph for the second exchange PCX 2 that governs 8 base station controllers is displayed. have.

When the administrator selects a specific base station controller and requests detailed information from the displayed quality indicator graph, the detailed graph of the base station controller is displayed as shown in 7C. Here, 7C displays the fluorine container details in the second base station controller of the first exchanger.

Through such a screen, the administrator can easily check and manage the quality indicators of the plurality of base station controllers.

8 is an exemplary screen displaying a quality indicator monitoring result of a base station transmitter according to an embodiment of the present invention.

The display screen for the quality indicator monitoring result of the base station transmitter includes a BTS traffic rate display unit 810 and a BTS information display unit 820 as shown in 8A.

The BTS traffic rate display unit 810 is a part indicating the No Call status by FA-Sector for all base station transmitters, and each base station transmitter is indicated by a square box. One box is indicated by 7 spaces and consists of 6 No Call status display units and 1 traffic display unit as shown in 8B.

The No Call status indicator is displayed in various colors according to the No Call time in each FA. In 8A, the defective areas that have passed more than one day are displayed in red, and the defective regions that have passed more than two hours are displayed in pink. The administrator can easily identify the defective spots through the color of the No Call status display. In the event of a defective area that has elapsed in such a long time, a warning sound is provided. Beep sound can be set to sound at every preset time (10 minutes, 30 minutes, 1 hour, 2 hours, 1 day), or set to sound only when a specific time (1 hour or 1 day) has elapsed. have.

As such, when the BTS traffic rate display unit 810 displays the No Call status of each base station transmitter, the manager may request specific information by selecting a specific base station transmitter among a plurality of displayed base station transmitters. If there is a request for detailed information through the data input / output unit 440, the BTS information display unit 820 includes the number of the selected base station transmitter, the ID of the base station, the tie number of the transmission path, the transmission path number, the local telephone station, the base station operator, Detailed information such as the operation FA (Frequency Assignment), the base station controller to which the base station transmitter belongs, the model name, and the base station address is displayed.

In addition, the manager may check the state of the base station transmitter for each specific exchange, specific base station controller, or specific OMCR. When the administrator inputs a button for selecting a specific exchange, a base station controller, and an OMCR located in the BTS information display unit 820, the BTS traffic display unit 810 displays a No of the base station transmitter associated with the selected exchange, base station controller, or OMCR, as shown in 8C. Call status and traffic rate are displayed.

Here, the quality indicator result screen of the base station controller of FIG. 7 and the quality indicator result screen of the base station transmitter of FIG. 8 may be variously implemented through screen configurations, display details, colors, etc. of bar graphs and rectangular blocks.

The embodiments of the present invention described above are not only implemented by the apparatus and method but may be implemented through a program for realizing the function corresponding to the configuration of the embodiment of the present invention or a recording medium on which the program is recorded, The embodiments can be easily implemented by those skilled in the art from the description of the embodiments described above.

Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

According to the above-described configuration, the quality indicator details and defective locations in the base station are displayed graphically, so that the administrator can check the quality indicators and the bad spots such as traffic rate, attempt call, and fluorine call in a plurality of base stations. It can be easily checked through the screen of, and can quickly recognize the abnormality in the base station to quickly deal with, thereby preventing the call quality degradation.

In addition, it is possible to check the current status of poor quality or bad spots occurring during vacancies such as when managers shift work or perform separate tasks at the same time. Since the current status can be easily confirmed, the base station can be efficiently managed.

Claims (10)

In the quality indicator monitoring system for managing the call quality of the voice call serviced through the mobile communication system, At least one wireless base station generating a call detail log (CDL) for the voice call; At least one centralized maintenance station (OMCR) for receiving CDLs from the at least one wireless base station and generating CDL files for checking call quality; Quality indicator monitoring server for analyzing the CDL file received from the at least one centralized maintenance station, the stored Call Final Class (CFC) field analysis program to generate quality indicator information in graphical form for the call quality confirmation ; A quality indicator database for storing the quality indicator information; And Screen display device for displaying the quality indicator information generated by the quality indicator monitoring server Quality indicator monitoring system comprising a. The method of claim 1, wherein the quality indicator information, Quality information monitoring system characterized in that it comprises the quality information for the traffic rate, attempt call, fluorine call in the base station controller of the wireless base station, and the bad local information according to No Call in the base station transmitter. A quality indicator monitoring server for managing call quality for voice calls between mobile communication terminals in a mobile communication system, A CDL collector for receiving a CDL file generated at a wireless base station according to a call attempt; A program storage unit for storing a CFC (Call Final Class) field analysis program for analyzing the CDL file and a Graphic User Interface (GUI) generating program for graphicizing the quality indicator information; A data input / output unit which transmits the graphic quality indicator information to a screen display device; A control unit for analyzing the CDL file, calculating the quality index information according to the analysis result, and graphicizing according to the GUI generation program and transmitting the graphic information to the data input / output unit. Quality indicator monitoring server comprising a. The method of claim 3, wherein the control unit, A CFC field analysis module for extracting and analyzing a CFC field for determining call communication and fluoride pain in the CDL file; An increase / decrease calculation module for calculating the number of communication / non-communications per device of the wireless base station from the communication / non-communication information of the CFC field; A table generation module which generates a result table or a BTS table according to the number of communication / non-communications of the increase / decrease calculation module and generates a CDL analysis result table for all CDL processed files; A monitoring module for comparing the result table or the BTS table with the CDL analysis result table to calculate the quality index; And GUI generation module for generating the graphical quality indicator through the GUI generation program Quality indicator monitoring server comprising a. The method of claim 4, wherein the monitoring module, A communication call / trial call monitoring module that compares the result table with the CDL analysis result table and calculates the total number of attempted calls per base station controller of the wireless base station, a percentage of total calls to all attempts, and a percentage of fluorine calls; And A No Call monitoring module that compares the BTS table with the CDL analysis result and calculates a No Call management time without a call in a base station transmitter of the wireless base station; Quality indicator monitoring server comprising one or more of. In the quality indicator monitoring method for managing the call quality in the voice call service by providing the quality indicator information in the mobile communication system through the screen display device, (a) at least one wireless base station generating a call detail log (CDL) for the voice call, respectively; (b) analyzing the CDL using a stored Call Final Class (CFC) field analysis program to calculate a percentage of a communication call and a fluorine call at a base station controller of the wireless base station; (c) analyzing the total attempted call history of the CDL to calculate a CDL analysis result value; (d) generating quality indicator information by comparing the percentage value of the communication call and the fluorine call with the CDL analysis result value; And (e) graphicizing and displaying the quality indicator information on the screen display device; Quality indicator monitoring method of a base station controller comprising a. The method of claim 6, wherein step (e) Line graph of the traffic rate and attempt call in the base station controller, a graph screen displaying a bar graph, a numerical screen displaying the traffic rate and the attempt call numerically, and a BSC position screen showing the position of the base station controller. Quality indicator monitoring method of the base station controller, comprising a display screen comprising a. In the quality indicator monitoring method for managing the call quality by providing No Call information for local confirmation of the defect in the mobile communication system,  (a) generating a call detail log (CDL) for a voice call; (b) analyzing the CDL to identify a base station transmitter, a frequency assignment (FA), and a sector with which the call is communicated, and calculating a BTS-FA-Sector communication call; (c) analyzing the total attempted call history of the CDL to calculate a CDL analysis result value;  (d) comparing the communication call for each BTS-FA-Sector and the CDL analysis result value to find a BTS-FA-Sector which does not have a call and generates No Call information; And (e) graphically displaying the No Call information on the screen display device Quality indicator monitoring method of a base station transmitter comprising a. The method of claim 8, wherein step (d) is For the BTS-FA-Sector without the call, if it is confirmed that the call is not continuously carried out by repeatedly checking the comparison between the communication call for each BTS-FA-Sector and the CDL analysis result value for a predetermined time unit, No Call And continuously generating a management time to generate the No Call information. The method of claim 8, wherein step (e) And displaying the base station transmitters in square boxes and displaying the square boxes in different colors according to the No Call management time included in the No Call information.

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