KR20020042590A - Apparatus and method for searching system messages in cdma system - Google Patents

Abstract

PURPOSE: An apparatus and method for retrieving a system message in a CDMA(Code Division Multiple Access) system is provided to detailedly retrieve the system message associated with an execution result to a plurality of system commands generated in the CDMA system and classify the retrieved system messages according to the necessity of a user. CONSTITUTION: A system message processing unit judges whether a retrieval pattern is inputted through a retrieval pattern input window by a manager(504). If the retrieval pattern is inputted by the manager, the system message processing unit retrieves system messages according to the inputted retrieval pattern(508). The system message processing unit classifies the retrieved system messages according to equipments and times(510), displays the classified system messages(512), and stores the classified system messages in a database(514). If a system message retrieval request exists from a manager(518), the system message processing unit displays an equipment-classified system message list and a time-classified system message list(522).

Description

APPARATUS AND METHOD FOR SEARCHING SYSTEM MESSAGES IN CDMA SYSTEM

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technique for processing system messages generated in a CDMA system, and more particularly, to an apparatus and method for retrieving and classifying a system message in detail and quickly for performing results of instructions executed in a CDMA system.

Code Division Multiple Access (hereinafter referred to as "CDMA"), which is rapidly evolving due to the success of commercial service in our country, is a base station (wireless station) in the wireless section. Or "BS".) And a mobile station (hereinafter, referred to as "mobile station" or "MS"), and a signal transmission method, and synchronous depending on whether the base station uses GPS (Global Positioning System). And asynchronous.

Such a CDMA system can be roughly classified into a mobile switching center (MSC), a base station, and a mobile station (terminal).

The configuration of the CDMA system is briefly described as follows.

The exchange consists of a connection with each base station controller (BSC), information and authentication of subscribers, and related additional equipment, and plays a role of establishing a connection with another network. These exchanges handle the call and call from each base station, and have the function to connect with the switch of the Public Switching Telephone Network (PSTN) with central control functions so that all base stations can be operated efficiently. It consists of call center and peripheral devices, and it also has a billing data search function for calls completed.

The base station is composed of a base station controller (BSC), a base station transmitter (BTS) and a repeater (Cell Enhancer), etc., the mobile station is connected to the switch to make a call with the desired party.

The mobile station consists of a radio transceiver, an antenna and a control device.

The mobile station, the base station, and the exchange are connected to each other by a call line and a data link. The CDMA system of this connection structure uses a pair of transmit and receive radio channels when each mobile station makes a call, but the channel is fixed to a specific frequency channel. It can be changed to another channel according to the movement of the terminal even during a call, so that a call can be made to any channel if the channel is allocated to the region.

In addition, the CDMA system is composed of many units. In addition to the above-described exchange base station (base station controller, base station transmitter) and mobile station, the CDMA system has a complex configuration including a transmission path, a vocoder, a channel, a frequency, a subcell, and other equipment.

In such a complex CDMA system, there are a myriad of system messages informing each system unit of failure or command execution result. The state analysis of the system is the first and most important thing in the management and failover of the system. In order to analyze the state of the system, the sophisticated search and classification of the system message that transmits the result of the command execution of the system is the most important. However, in the conventional system management, when an administrator wants to search for a fault or a command execution result, a search has to be performed according to each command one by one, and thus there is a problem that a long time is required to collect and process data according to the command execution result. Accordingly, a system message retrieval apparatus and method for precisely retrieving a message according to a command execution result of a system and classifying the search result as necessary is desired.

Accordingly, an object of the present invention is to provide a system message retrieval apparatus and method of a CDMA system capable of searching in detail the system messages related to the execution result of the numerous system commands generated in the CDMA system and classifying them according to the needs of the user. In providing.

Another object of the present invention is a system message retrieval apparatus of a CDMA system that classifies and outputs the system messages in the form of a list and a report by equipment / time zone so as to analyze and manage the state of the system from system messages generated in the CDMA system. And providing a method.

1 is a diagram showing the configuration of a CDMA system to which the present invention is applied;

2 is an exemplary configuration for searching for a system message generated in a CDMA system according to an embodiment of the present invention;

3 is a diagram illustrating a configuration of a system message search center according to an exemplary embodiment of the present invention;

4 is a diagram illustrating a control operation of searching a system message for a result of command execution performed in a CDMA system according to the present invention in a system message search center;

Explanation of symbols on the main parts of the drawings

10: mobile station (MS) 100: base station (BS)

110: control station (BSC) 120: transmission station (BTS)

121: master station controller 122: channel support allocator

123: channel device (CE) controller 127: channel device

ANT: antenna 124: transmit / receive interface

125: RF transceiver 126: channel database

210: data core network (DCN) 220: gateway (G / W)

230: WAP G / W240: IP

250: internet 260: exchange (MSC)

270: home location register (HLR) 280: public network (PSTN)

290: Message Center (MC) 300: Server

310: cell broadcast center (CBC) 400: system message search center

410: input / output interface 420: search unit

430: classification unit 440: data conversion unit

450: output unit 460: system message processing unit

470: Database 480: User Interface

In order to solve the above object, a system message retrieval apparatus of a code division multiple access (CDMA) system according to the present invention includes: a system message retrieval apparatus generated in a code division multiple access (CDMA) system includes: a switch and a base station and a home location register ( An input / output interface connected to each component of a CDMA system such as an HLR) and responsible for input / output of a signal; A search unit for searching only a system message according to a search pattern among signals from each system component received through the input / output interface; A classification unit for extracting and organizing information such as execution command, equipment for performing the command, execution time, execution result, current status, etc. from various information included in the system message searched through the search unit; A data conversion unit for converting the system messages arranged by the classification unit so as to be output in a file of a predetermined report form; An output unit for outputting the system messages converted by the data conversion unit in the form of a system message list for each device and a system message list for each time zone at each request for a predetermined period and system data search; A database for storing classification information and output information of the converted data, including search information of the system message required for monitoring the status of each component of the code division multiple access system; And connected to the input / output interface, search unit, classification unit, data conversion unit, output unit, and database to control operation of each component, including search information of system messages necessary for monitoring status of each component in the database. Information for secondary analysis of the system by storing classification information and output information of the converted data and outputting the converted data in a predetermined file form, and referring to the classification information classified based on the search information of the system message. Characterized in that it comprises a; system message processing unit for transmitting to the failure message processing center.

In order to solve the above object, a system message retrieval method of a code division multiple access (CDMA) system according to the present invention comprises: displaying a search pattern input window when a system message search mode is executed; Determining whether a search pattern is input, searching for a system message according to the input search pattern when the search pattern is input, classifying the searched system message by equipment and time zone, and classifying the classified system. Displaying a message, storing the classified system message in a database, transmitting the classified system message failure message processing center, determining whether a system message search request is required, and searching a system message. List of system messages by equipment and system messages by time zone when required It is characterized in that the process consists of displaying the list of the index.

On the other hand, if the search pattern is not input through the search pattern input window, after waiting a predetermined time, further comprising the step of searching for a system message according to the basic search pattern, the system for each equipment according to the system message search every predetermined period The method further includes displaying a message list and a system message list according to time zones, and after converting the system message, converting the file into a file in a report form according to a data conversion request.

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 components have the same reference numerals as much as possible even if they are displayed on different drawings. Detailed descriptions of well-known functions and configurations that are determined to unnecessarily obscure the subject matter of the present invention will be omitted.

1 is a diagram showing the configuration of a CDMA system to which the present invention is applied.

1 illustrates a structure of a CDMA system extended to a DCN (Data Core Network), which is a mobile IP (Internet Protocol) network used for mobile communication.

First, the CDMA system illustrated in FIG. 1 includes a mobile station (MS) 10, a base station (BS) 100, a mobile switching center (MSC) 260, a home location register (HLR) 270, and a PSDN. (Public Switched Telephone Network) 280, MC (Message Center) 290, Server (Server) 300, CBC (Cell Broadcasting Center) 310, DCN 210, Gateway (G / W) 220 ), WAP (Wireless Application Protocol) gateway 230, IP 240 form. And the system message search center 400 that monitors the state of these components and copes with the occurrence of system messages due to the failure is operated in conjunction with the equipment of each system.

The mobile station 10, the base station 100, and the exchange 260 are connected to each other by a call line and a data link. A CDMA system having such a connection structure has a pair of transmit and receive radio channels when each mobile station 10 calls. However, since the channel is not fixed to any specific frequency channel and can be changed to another channel according to the movement of the terminal during a call, any channel assigned to the region can be used to call any channel.

The base station 100 is connected to the gateway 220, the WAP gateway 230 for the wireless Internet, and the Internet 250 through the DCN 210 for packet data service.

The mobile station (MS) 10 is composed of a wireless transceiver, an antenna, and a control device to perform a voice service and a packet data service while moving.

The base station (BS) 100 is composed of a base station controller (BSC), a base station transmitter (BTS), a repeater (Cell Enhancer), and the like, and the mobile station 10 has a call with the other party. It is connected to the exchange 260 to be made, and is connected to the DCN 210 for packet data service.

The mobile switching center (MSC) 260 is composed of a connection with each base station controller (BSC), information and authentication for subscribers, and related additional equipment, and plays a role of forming a connection with another network. In addition, the exchange 260 handles call and call from each base station 100, and through the trunk line (Trunk Line) with a central control function so that all the base station 100 can be efficiently operated ( It can be connected to a public switching telephone network (PSTN) switch, and is composed of a control unit, a call path and peripheral devices, and also has a billing data retrieval function for a call for which maintenance and a call are completed. The exchange 260 is connected to the Home Location Register (HLR) 270, and is connected to the message center 290 and to the server 300 and the CBC (Cell Broadcasting Center) 310.

The system message search center 400 searches for system messages generated from each system equipment / line, and extracts and organizes information such as execution command, equipment that performed the command, execution time, execution result, current status, and the like. According to the requirements of the user, related information is summarized and output in a list or report form. Also, the analyzed fault message is automatically sent to the fault message processing center so that the fault can be immediately dealt with.

2 is a diagram illustrating a configuration for searching for a system message generated in a CDMA system according to an exemplary embodiment of the present invention. The base station (BS) 100 includes a base station controller (BSC) 110 and a base station transmitter (BTS) 120, and the base station transmitter 120 includes a channel support allocator 122. And an antenna located at each cell site, an RF transceiver 150, a transmit / receive interface 140, a channel device controller (CE) 130, a channel database 160, and other unit equipment. The unit equipment may include an air conditioning unit, heating unit, power supply and telephone line interface.

The base station controller 110 is a device that operates wireless communication resources, which includes a base station transmitter 120 for a given cell within the wireless communication network.

The base station 100 transmits a voice and data signal to the PSTN 280 through a communication line and an exchange (MSC) 260. The communication line 15 between the base station 100 and the exchange 260 is a T1 line, Suitable connection means including T3 lines, fiber optic links, network backbone connections, and the like. The data link of each communication line may be several different data links coupling one of several base stations to the exchange 260.

The base station controller 110 manages resources at the cell site including the base station transmitter 120.

The base station transmitter 120 includes a main controller 121 of the base station transmitter including the channel support allocator 122, a channel device controller 130 including a representative channel element 131, and a transmission / reception interface (IF) 124. ), RF transceiver 125, antenna and channel database 126.

The BTS main controller 121 includes a memory and a processing circuit for controlling the overall operation of the base station transmitter 120 and executing an operation program communicating with the base station controller 110. Under normal conditions, the BTS master controller 121 commands the operation of the CE controller 123, and the CE controller 123 includes a plurality of channel elements. Under normal conditions, the BTS main controller 121 instructs the operation of the CE controller 123 including a plurality of channel elements, including a representative channel element 127 for performing bidirectional communication in a forward channel and a reverse channel. Here, the 'forward' channel refers to an outbound signal from the base station to the mobile station, and the 'reverse' channel refers to an inbound signal from the mobile station to the base station.

The channel resource allocator 122 assigns each channel element in the CE controller 123 as an overhead channel or a traffic channel. Although not shown, the BTS main controller 121 includes an overhead channel database that maintains a record for each channel element indicating whether the channel element is used as an overhead channel or a traffic channel. The recording for each channel element also identifies the physical device in the CE controller 123 that provides the channel element, for example a digital signal processing device or a particular channel card. Information about the physical device coupled to each channel element is used by the channel resource allocator 122 to provide overhead among other physical devices to minimize the probability of unnecessary failures and to minimize recovery time after a failure. Distribute the channel.

The channel element 127 operates in accordance with a code division multiple access (CDMA) protocol with, for example, a mobile station in a cell. As another example, the channel element 127 may operate according to a time division multiple access (TDMA) protocol or a frequency division multiple access (FDMA) protocol for a mobile station in a cell.

The transceiving IF 124 transmits a bidirectional channel signal between the CE controller 123 and the RF transceiver 125.

The antenna transmits the received forward channel signal from the RF transceiver 125 to the mobile station within the coverage area of the base station. The antenna also sends a reverse channel signal to the RF transceiver 125 received from a mobile station within the coverage area of the base station.

The system message search center 400 according to the present invention includes a base station controller which is a unit configuration within the base station 100, a signal of a communication line between the exchanger 260 and the base station 100, to search for a system message of a CDMA system. 110, a base station transmitter 120, a channel element controller including a BTS main controller 121 including the channel support allocator 122, which is a unit configuration inside the base station transmitter 120, and a representative channel element 131. The system message generated from the 130, the transmission / reception interface (IF) 124, the RF transceiver 125, the antenna, and the channel database 126 is searched and the command execution result is summarized and output by device / time zone. If an error occurs that requires an emergency, an alarm is output and notified, and the system message list for each device and the system message list for each time zone are used as analysis data as well as when the administrator requests the system message search.

In addition, the system message search center 400 is connected to various system components as in the system connection configuration illustrated in FIG. 1 to process and process system messages of respective system components.

3 is a diagram illustrating a configuration of a system message search center according to an exemplary embodiment of the present invention. The system message search center 400 according to the present invention includes an input / output interface 410, a search unit 420, a classification unit 430, a data conversion unit 440, an output unit 450, and a system message processing unit 460. ), A database 470, and a user interface 480.

The input / output interface 410 is a signal input / output from connected CDMA system components, eg, switch 260, base station 100, home location register (HLR) 270, DCN 210. In charge of.

The search unit 420 searches only the system message among the signals from the system components received through the input / output interface 410 according to the search pattern.

The classification unit 430 may perform information on a command, a device that performs a command, an execution time, a result, a current state, etc. according to a preset condition among various information included in the system message searched through the search unit 420. Extract and clean up.

The data conversion unit 440 converts the system messages arranged by the classification unit 430 so that they can be output in the form of a predetermined file.

The output unit 450 outputs the system messages converted by the data conversion unit 440 in the form of a system message list for each device and a system message list for each time zone at each request for a predetermined period and system data search.

Based on the classified system message information, it determines whether there is an abnormality in each equipment of the system and transmits it to the system message failure center to perform the appropriate action.

The classified system message information is output according to a predetermined output format. The system message search request or the predetermined system message list of each device as shown in Table 1 below and the system message list for each time slot as shown in Table 2 below are specified. Output every cycle.

The report format for the system message list for each device of the system messages converted by the data conversion unit 440 is shown in Table 1, and the report format for the hourly system message list is shown in Table 2.

Base station name Equipment name Execution time Command Result Abnormality Call quality manager Phone number ‥‥ ‥‥ ‥‥ ‥‥ ‥‥ ‥‥ ‥‥ ‥‥ ‥‥

time Command Generating Equipment Information Result Current status / absence Related Information 07:00 ~ 08:00 ‥‥ ‥‥ ‥‥ ‥‥ ‥‥ 08:00 to 09:00 ‥‥ ‥‥ ‥‥ ‥‥ ‥‥ 09:00 to 10:00 ‥‥ ‥‥ ‥‥ ‥‥ ‥‥ 10:00 to 11:00 ‥‥ ‥‥ ‥‥ ‥‥ ‥‥ 11:00 to 12:00 ‥‥ ‥‥ ‥‥ ‥‥ ‥‥ 12:00 to 13:00 ‥‥ ‥‥ ‥‥ ‥‥ ‥‥ ‥‥‥‥ ‥‥‥‥ ‥‥‥‥ ‥‥‥‥ ‥‥‥‥ ‥‥‥‥

The database 470 stores classification information and output information of the converted data, as well as search information of the system message required for monitoring the status of each component of the code division multiple access system.

The system message processing unit 460 monitors the state of various system components connected to the system message search center 400 according to the present invention, and includes the input / output interface 410, the search unit 420, and the classification unit 430. It is connected to the user interface 480 and the database 470, including the data converter 440 and the output unit 450, and controls the operation of each component. The system message processing unit 460 according to the present invention also stores and converts the output information of the classification information and the converted data, including the search information of the system message necessary for monitoring the status of each component of the system in the database 470. To output the collected data to a file in a predetermined report form, and refer to the classification information classified based on the search information of the system message requested through the user interface 480. Transfer to the processing center.

The user interface 480 may be an administrator PC or a server, and has an environment in which a user may be connected to a remote administrator through a dedicated network or an internet network.

4 is a diagram illustrating a control operation of searching a system message for a command execution result performed in a CDMA system according to the present invention in a system message search center.

The operation of processing a system message generated in a CDMA system according to the present invention in a system message search center will be described with reference to a flowchart; First, in step 500, the system message processing unit 460 uses the input / output interface 410 of the system message search center 400 for each base station 100, exchanger 260, and home location register of the CDMA system. 270), the system message search mode for searching the system messages associated with the command execution of the configuration unit, such as the DCN (210).

The system message processing unit 460 displays a search pattern input window for the administrator in step 502 when the system message search mode is performed.

In operation 504, the system message processor 460 determines whether a search pattern by an administrator is input through the search pattern input window. If there is a search pattern input by the manager as a result of the determination, the process proceeds to step 508 to search for a system message according to the input search pattern. On the other hand, if the search pattern is not input through the search pattern input window, the system message processing unit 460 proceeds to step 506 and waits for a predetermined time, and then searches for the system message according to the basic search pattern.

The system message processing unit 460 classifies the system message retrieved in step 506 or step 508 by device and time zone in step 510, displays it in step 512, and stores it in the database 470 in step 514.

At this time, the system message processing unit 460 transmits abnormality information for secondary analysis of the system with reference to the classification information to the failure message processing center.

On the other hand, the system message processing unit 460 displays the system message list for each device and the system message list for each time zone at step 522 when the system message search request of the manager is requested in step 518.

In addition, even when there is no system message search request of the administrator, the system message list for each device and the system message list for each time zone according to the system message search are displayed every predetermined period so that continuous system management can be performed.

On the other hand, after the system message search is completed, the system message processing unit 460 converts and outputs the file in the form of a report in accordance with the data conversion request of the administrator.

Thereafter, the system message processing unit 460 proceeds with this process for each system message generated by continuously proceeding with the system message search mode.

On the other hand, in the detailed description of the present invention has been described with reference to specific embodiments, of course, various modifications are possible without departing from the scope of the invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined not only by the scope of the following claims, but also by the equivalents of the claims.

As described above, the present invention can quickly and easily classify and classify a myriad of system messages generated in a CDMA system, thereby allowing an administrator to process the collection and processing of data required for system status and management in a short time. There is this. In addition, the present invention has the advantage of shortening the search and classification time of the system message of the CDMA system, and converts it into a file in the form of a report for each device / time zone to facilitate secondary analysis.

Claims (7)

Apparatus for retrieving system messages generated in a code division multiple access (CDMA) system: An input / output interface connected to each component of a CDMA system such as an exchange, a base station, and a home location register, and responsible for input / output of a signal; A search unit for searching only a system message according to a search pattern among signals from each system component received through the input / output interface; A classification unit for extracting and organizing information such as execution command, system configuration unit which executed the command, execution time, execution result, current status, etc. from various information included in the system message searched through the search unit; A data conversion unit for converting the system messages arranged by the classification unit so as to be output in the form of a predetermined file; An output unit which outputs the system message list by equipment and the system message list by time zone in the form of a list for every predetermined period and system data retrieval request of the system messages converted by the data conversion unit; A database for storing classification information and output information of the converted data, including search information of the system message required for monitoring the status of each component of the code division multiple access system; And It is connected to the input / output interface, search unit, classification unit, data conversion unit, output unit and database to control the operation of each component, including the search information of the system message necessary for monitoring the status of each component in the database, Storing classification information and output information of the converted data, and outputting the converted data in a predetermined file format, and performing information for secondary analysis of the system by referring to the classification information classified based on the search information of the system message. System message retrieval apparatus for a CDMA system, characterized in that it comprises; a system message processing unit for transmitting to the failure message processing center. The method of claim 1, And a user interface for receiving information by transmitting commands such as the system message list and report output, status data output, and program update to the system message processing unit. The method of claim 1, And the output unit is provided with an alarm and outputs a failure alarm. A method for retrieving system messages generated in a code division multiple access (CDMA) system, Displaying the search pattern input window when the system message search mode is executed; Determining whether a search pattern is input through the search pattern input window; Searching for a system message according to the input search pattern when the search pattern is input; Classifying the searched system message by equipment and time zone; Displaying the classified system messages; Storing the classified system messages in a database; Transmitting the classified system message failure message processing center; Determining whether there is a system message search request; A system message retrieval method generated in a CDMA system, characterized in that the system message list for each device and the system message list for each time zone are displayed if there is a system message retrieval request. The method of claim 4, wherein if a search pattern is not input through the search pattern input window, The system message retrieval method generated in the CDMA system, characterized by further comprising the step of retrieving the system message according to the basic search pattern after waiting a predetermined time. The method of claim 4, wherein The system message retrieval method generated in the CDMA system, characterized in that further comprising the step of displaying the system message list by the device and the system message list by time zone according to the system message search every predetermined period. The method of claim 4, wherein after the system message search is completed, A system message retrieval method generated in a CDMA system, characterized by further comprising the step of converting and outputting the file as agreed upon data conversion request.