KR100310244B1 - Pld verfication device and method in mobile switching center - Google Patents

Abstract

The present invention relates to a PLD verification apparatus and method in a mobile communication exchange, and more particularly, a PLD verification in a mobile communication exchange which automatically verifies the reliability of a database used in a mobile communication exchange, that is, a PLD, in an environment other than the exchange. The present invention relates to an apparatus and method for verifying a PLD in a mobile communication switch according to the present invention, which automatically verifies the reliability of a PLD used in a field in an off-exchange environment and then sends the result to an operator or mobile operator. In addition, the PLD verification time is shortened and the convenience is provided to the PLD verifier, and the error occurrence of the PLD verification is significantly reduced compared to the method of manually verifying the PLD.

Description

PLD verification device and method in mobile communication switch {PLD VERFICATION DEVICE AND METHOD IN MOBILE SWITCHING CENTER}

The present invention relates to an apparatus and method for verifying a processor load data (PLD) in a mobile communication exchange. More particularly, the reliability of a database used in a mobile communication exchange, that is, a PLD, is determined. The present invention relates to a PLD verification apparatus and method in a mobile communication switch that automatically verifies in an environment.

As is well known, the structure of a PLD generally used in a mobile communication exchange includes a header, a plurality of global directories (GDIR), a plurality of m, as shown in FIG. ) Is composed of) relation directory (RDIR), a number (m) relation dictionary (RDIC), various tables, and a number (m) relation. For reference, n must be greater than or equal to m.

In this case, the header part of the PLD has all information related to the PLD, such as the attributes of the PLD, and the number (n) of global directories (GDIR) in the PLD is each of a number (m) of relation directories (RDIR). Address information and data format information for a number (m) relations, i.e. whether the relation is in immutable local data format or an up-date global data format. Have

In addition, the number (m) relation directories (RDIR) in the PLD not only have address information of the number (m) relations, but also all the information about the relations, and the number (m) relations in the PLD. The relation dictionary (RDIC) has characteristic information about relations.

In addition, the various tables in the PLD have type information and location information for a plurality (m) relations, and the (m) relations are data that are used in various blocks in the exchange as actual data.

In the conventional method of verifying the PLD in the mobile switching center, when an unspecified person backs up the PLD and delivers it to the operator to verify the reliability of the PLD used in the field, the operator is initially created and stored at the same time. The natural PLD corresponding to the original verification PLD and the verification PLD used in the field were checked manually. First, the operator compared and checked the header part of the PLD by hand and then compared and checked the global directories (GDIR) of the PLD. The operator then visually compared the relation directory (RDIR), relation dictionary (RDIC) and relations in the same manner as above.

However, the PLD verification method in the conventional mobile communication exchange described above is inefficient because it takes about one day to verify a single PLD and is inconvenient because all PLD verification operations are performed manually. There was a problem that verification errors frequently occur.

Accordingly, the present invention has been made to solve the conventional problems as described above, the object of the present invention is to automatically verify the reliability of the PLD actually used in the exchange in an environment outside the exchange, and then to the operator or mobile operator as a result To provide a PLD verification apparatus and method in a mobile communication switch for providing a.

In order to achieve the above object, the PLD verification apparatus of the present invention includes a magnetic tape read / write unit which stores the verification PLD on a hard disk when the operator loads any error state verification PLD;

A key input unit for an operator to input a PLD verification command;

If the natural PLD corresponding to the original of the verification PLD stored on the hard disk is stored and the relation directory address area MaxRelid is set as much as the maximum number of relations that can be stored in the PLD during initialization, the hard disk A memory which stores and manages all the global directories GDIR in the verification PLD stored on the corresponding addresses of the plurality of relation directory address areas MaxRelid, respectively;

When a PLD verification command is received from the key input unit while a verification PLD is loaded on the hard disk, all global directories (GDIR), relation directories (RDIR), and relation dictionaries (RDIC) of the verification PLD stored on the hard disk are received. ) And all relations between the global directory (GDIR), the relation directory (RDIR), the relation dictionary (RDIC), and the relation of the relation and the natural PLD stored in the memory are sequentially verified, and then the error state of the verification PLD is verified. A PLD verification processor outputting a display control signal to display the verification result to the operator; And

And a display unit configured to receive a display control signal from the PLD verification processor and display an error state verification result of the verification PLD to an operator.

In addition, the method for verifying a PLD in a mobile communication switch according to the present invention includes: a first step of an operator loading a verification PLD on a hard disk through a magnetic tape read / write unit and inputting a PLD verification command;

A second step of, by the PLD verification processing unit, receiving a PLD verification command and generating a relation directory address area MaxRelid in memory as many as the maximum number of relations that can be stored in the PLD;

A third step of verifying, by the PLD verification processing unit, whether an error state of a header part of a verification PLD stored on a hard disk is displayed and displaying a verification result of the header part of the PLD to an operator;

The PLD verification processor sequentially stores all the global directories GDIR in the verification PLD stored on the hard disk in a plurality of relation directory address areas MaxRelid, and at the same time, errors in all the global directories GDIR in the verification PLD. A fourth step of verifying each state of the state and displaying the verification result to the operator;

A fifth step of verifying, by the PLD verification processing unit, whether there are error states of a plurality of relation directories (RDIR) stored in a verification PLD, and displaying the verification result to an operator;

A sixth step of verifying, by the PLD verification processing unit, whether there are error states for a plurality of relation dictionaries (RDICs) stored in a verification PLD, and displaying the verification results to an operator; And

And a seventh step in which the PLD verification processing unit verifies an error state of a plurality of relations stored in the verification PLD, and then displays the verification result to the operator.

1 is a reference diagram showing the structure of a PLD in a general mobile communication exchange;

2 is a functional block diagram showing a configuration of a plaid verification apparatus in a mobile communication switch according to an embodiment of the present invention;

3 is an operation flowchart showing a method for verifying a plad in the mobile communication switch according to FIG. 1;

FIG. 4 is an operation flowchart showing a detailed process of the third step S3, which is an error state verification step of the header part of the verification PLD in the PLD verification method in the mobile communication switch according to FIG. 3;

FIG. 5 is an operational flowchart showing a detailed process of the fourth step S4 which is an error state verification step of the global directory GDIR in the verification PLD in the PLD verification method in the mobile communication switch according to FIG. 3;

FIG. 6 is an operational flowchart showing the detailed procedure of the fifth step S5 which is an error state verification step of the relation directory RDIR in the verification PLD in the PLD verification method in the mobile communication switch according to FIG. 3;

FIG. 7 is an operational flowchart showing the detailed procedure of the sixth step S6 which is an error state verification step of the relation dictionary RDIC in the verification PLD in the PLD verification method in the mobile communication switch according to FIG. 3;

FIG. 8 is an operation flowchart showing the detailed procedure of the seventh step S7 which is the error state verification step of the relation in the verification PLD in the PLD verification method in the mobile communication switch according to FIG.

<Explanation of symbols for main parts of the drawings>

100: magnetic tape lead / light unit 200: hard disk

300: key input unit 400: memory

500: PLD verification processing unit 600: display unit

Hereinafter, an apparatus and method for verifying a plad in a mobile communication switch according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2 is a functional block diagram of a plaid verification device in a mobile communication switch according to an embodiment of the present invention. The plaid verification device in a mobile communication switch according to an embodiment of the present invention is a magnetic tape lead / light unit. Tape Unit: MTU (100), Hard Disk (200), Key Input (300), Memory (400), PLD Verification Processor (500), and Display (Display) ( 600).

When the magnetic tape read / write unit 100 loads any error state verification PLD to be verified by an operator, the magnetic tape read / write unit 100 stores the verification PLD on the hard disk 200.

The hard disk 200 is a disk for storing the error state verification PLD output from the magnetic tape read / write unit 100 and other various program files and data.

Meanwhile, when the operator inputs a PLD verification command, the key input unit 300 outputs the PLD verification command to the PLD verification processing unit 500.

In addition, the memory 400 stores a natural PLD corresponding to the original of the verification PLD stored on the hard disk 200, and at the same time, the maximum number of relations that can be stored in the PLD during initialization. When the relation directory address MaxRelid is set, all of the global directories GDIR in the verification PLD stored on the hard disk 200 are stored at respective addresses of the plurality of relation directory address areas MaxRelid. Memory that is stored and managed.

Meanwhile, when the PLD verification command is received from the key input unit 300 and the PLD verification command is loaded on the hard disk 200, the PLD verification processing unit 500 stores the verification data stored on the hard disk 200. All global directories (GDIR), relation directories (RDIR), relation dictionaries (RDIC), and all global directories (GDIR), relation directories (RDIR), and relation dictionaries (RDIC) of the natural PLD stored in the memory 400 ) And the relations are sequentially compared to each other to verify the error state of the verification PLD, and then output a display control signal to the display unit 600 to display the verification result to the operator.

In addition, the display unit 600 receives a display control signal output from the PLD verification processing unit 500 and displays an error state verification result of the verification PLD to an operator.

Next, a method for verifying a plad in a mobile communication switch according to an embodiment of the present invention using the plad verification device in the mobile communication switch having the above configuration will be described with reference to the accompanying drawings.

3 is an operation flowchart illustrating a method for verifying a plaid in a mobile communication switch according to an exemplary embodiment of the present invention.

First, the operator loads the verification PLD on the hard disk 200 through the magnetic tape read / write unit 100 and inputs a PLD verification command using the key input unit 300 (S1).

Then, the PLD verification processing unit 500 receives the PLD verification command from the key input unit 300, and then stores the relation directory address area MaxRelid corresponding to the maximum number of relations that can be stored in the normal PLD. (S2).

Thereafter, the PLD verification processing unit 500 verifies whether an error state of the header part of the verification PLD stored on the hard disk 200 is displayed and then displays the verification result of the header part of the PLD to the operator (S3). .

Hereinafter, a detailed process of the third step S3, which is the error state verification step of the header unit in the verification PLD, will be described in detail with reference to FIG. 4.

First, the PLD verification processing unit 500 reads the information of the header part of the verification PLD stored on the hard disk 200 and the information of the header part of the natural PLD stored in the memory 400, and then the header parts of the two PLDs. It is compared whether or not the information is the same (S3-1).

At this time, if the information of the header part in the verification PLD stored on the hard disk 200 and the information of the header part in the natural PLD stored in the memory 400 are the same (YES) in step 3-1 (S3-1). In addition, the PLD verification processing unit 500 outputs a display control signal to the display unit 600 to display to the operator that the header portion of the verification PLD is normal, and proceeds to the next step (S4). Then, the display unit 600 receives the display control signal output from the PLD verification processing unit 500, and displays to the operator that the header portion of the verification PLD is normal (S3-2).

On the other hand, if the information of the header part in the verification PLD stored on the hard disk 200 and the information of the header part in the natural PLD stored in the memory 400 are not the same in step 3-1 (S3-1) ( NO), the PLD verification processing unit 500 outputs a display control signal to the display unit 600 to display to the operator that the verification PLD itself is damaged and terminates the PLD verification operation. Then, the display unit 600 receives the display control signal output from the PLD verification processing unit 500, and displays to the operator that the verification PLD itself is damaged (S3-3).

On the other hand, after the third step S3, the PLD verification processing unit 500 stores all the global directories GDIR in the verification PLD stored on the hard disk 200 in the relation 400 in the memory 400. The storage is sequentially stored in the area MaxRelid, and each of the global directories GDIR in the verification PLD is verified in error state and then the verification result is displayed to the operator (S4).

Hereinafter, a detailed process of the fourth step S4, which is the error state verification step of the global directory GDIR in the verification PLD, will be described in detail with reference to FIG. 5.

First, the PLD verification processing unit 500 reads the first global directory GDIR among all global directories GDIR of the verification PLD stored on the hard disk 200 (S4-1).

Then, the PLD verification processing unit 500 stores the read arbitrary global directory GDIR in the relation directory address area MaxRelid among all relation directory address areas MaxRelid in the memory 400 (S4). -2).

Subsequently, the PLD verification processing unit 500 may determine an arbitrary global directory GDIR in the verification PLD stored in the relation directory address area MaxRelid and a natural PLD corresponding to any global directory GDIR in the verification PLD. It is compared whether or not the predetermined global directory GDIR is the same (S4-3).

At this time, in step 4-3, a predetermined global directory GDIR of the natural PLD corresponding to an arbitrary global directory GDIR in the verification PLD and an arbitrary global directory GDIR in the verification PLD is performed. ) Is the same (YES), the PLD verification processing unit 500 outputs a display control signal to the display unit 600 to display to the operator that any global directory (GDIR) in the verification PLD is normal (S4). -4). Then, the display unit 600 receives the display control signal output from the PLD verification processing unit 500 and displays to the operator that any global directory GDIR in the verification PLD is normal.

Thereafter, the PLD verification processing unit 500 determines whether or not verification operation for all global directories GDIR in the verification PLD is completed (S4-5), so that all of the global directories GDIR in the verification PLD are determined. When the verification operation is completed (YES), the process proceeds to the fifth step S5.

Meanwhile, in step 4-3, the predetermined global directory GDIR of the natural PLD corresponding to any global directory GDIR in the verification PLD and any global directory GDIR in the verification PLD. ) Is not the same (NO), the PLD verification processing unit 500 outputs a display control signal to the display unit 600 to display to the operator that an error has occurred in any global directory (GDIR) in the verification PLD. After that, the process proceeds to step 4-5 (S4-5) (S4-6). Then, the display unit 600 receives the display control signal output from the PLD verification processing unit 500 and displays to the operator that an error has occurred in any global directory GDIR in the verification PLD.

In addition, if the verification operation of all the global directories GDIR in the verification PLD is not completed in step 4-5 (NO), the PLD verification processing unit 500 performs the next global in the verification PLD. After the directory GDIR is read, the process proceeds to step 4-2 (S4-2) again (S4-7).

On the other hand, after the fourth step (S4), the PLD verification processing unit 500 verifies whether the error status for the plurality of relation directories (RDIR) stored in the verification PLD, respectively, and displays the verification results to the operator. (S5).

Hereinafter, a detailed process of the fifth step S5, which is the error state verification step of the relation directory RDIR in the verification PLD, will be described in detail with reference to FIG. 6.

First, the PLD verification processing unit 500 may use the hard disk (RDIR) address information in the first global directory GDIR stored in the first relation directory address area MaxRelid in the memory 400. The first relation directory RDIR is read among the plurality of relation directories RDIR in the verification PLD stored on the terminal 200 (S5-1).

Thereafter, the PLD verification processing unit 500 corresponds to a relation relation directory RDIR of the natural PLD corresponding to the relation relation directory RDIR in the verification PLD and the relation relation directory RDIR in the verification PLD. Are compared with each other (S5-2).

At this time, the relation directory RDIR of the natural PLD corresponding to the arbitrary relation directory RDIR in the verification PLD and the relation relation directory RDIR in the verification PLD in step 5-2 (S5-2). If the same (YES), the PLD verification processing unit 500 outputs a display control signal to the display unit 600 to display to the operator that any relation directory (RDIR) in the verification PLD is normal (S5-). 3). Then, the display unit 600 receives the display control signal output from the PLD verification processing unit 500, and displays to the operator that any relation directory RDIR in the verification PLD is normal.

Subsequently, the PLD verification processing unit 500 determines whether the verification operation on the plurality of relation directories RDIR stored in the verification PLD is completed (S5-4), and the plurality of relation directories stored in the verification PLD ( If all the verification operations of RDIR) are completed (YES), the process proceeds to the sixth step S6 (S5-4).

On the other hand, the relation directory RDIR of the natural PLD corresponding to the relation relation directory RDIR in the verification PLD and the relation relation directory RDIR in the verification PLD in step 5-2 (S5-2). ) Is not the same (NO), the PLD verification processing unit 500 outputs a display control signal to the display unit 600 to display to the operator that an error has occurred in any relation directory (RDIR) in the verification PLD. After that, the process proceeds to step 5-4 (S5-4) (S5-5). Then, the display unit 600 receives the display control signal output from the PLD verification processing unit 500 and displays to the operator that an error has occurred in any relation directory (RDIR) in the verification PLD.

In addition, when the verification operation of the plurality of relation directories (RDIR) stored in the verification PLD is not completed in step 5-4 (NO) (NO), the PLD verification processing unit 500 performs the memory 400. Reads the next relation directory (RDIR) stored in the verification PLD using the relation directory (RDIR) address information in the next global directory (GDIR) stored in the next relation directory address area (MaxRelid). The process proceeds to step 5-2 (S5-2) (S5-6).

On the other hand, after the fifth step, the PLD verification processing unit 500 verifies whether the error status for the plurality of relation dictionaries (RDIC) stored in the verification PLD, respectively, and displays the verification results to the operator (S6). .

Hereinafter, a detailed process of the sixth step S6, which is an error state verification step of the relation dictionary in the verification PLD (RDIC), will be described in detail with reference to FIG. 7.

First, the PLD verification processing unit 500 uses verification dictionary (RDIC) address information in the first relation directory (RDIR) stored on the hard disk 200 to verify the PLD stored on the hard disk 200. The first relation dictionary RDIC is read from among a plurality of relation dictionaries RDICs (S6-1).

Then, the PLD verification processing unit 500 corresponds to the relation dictionary (RDIC) of the natural PLD corresponding to the relation relation dictionary (RDIC) in the verification PLD and the relation relation dictionary (RDIC) in the verification PLD. Are compared with each other (S6-2).

At this time, the relation dictionary (RDIC) of the natural PLD corresponding to the arbitrary relation dictionary (RDIC) in the verification PLD and the relation relation dictionary (RDIC) in the verification PLD in the step 6-2 (S6-2). Is equal to (YES), the PLD verification processing unit 500 outputs a display control signal to the display unit 600 in order to display to the operator that any relation dictionary (RDIC) in the verification PLD is normal (S6-). 3). Then, the display unit 600 receives the display control signal output from the PLD verification processing unit 500 and displays to the operator that any relation dictionary (RDIC) in the verification PLD is normal.

Subsequently, the PLD verification processing unit 500 determines whether all verification operations of the plurality of relation dictionaries RDIC stored in the verification PLD are completed (S6-4), and the plurality of relation dictionaries stored in the verification PLD ( If all verification operations for RDIC) are completed (YES), the process proceeds to the next step (S7).

On the other hand, in step 6-2, the relation dictionary (RDIC) of the natural PLD corresponding to any relation dictionary (RDIC) in the verification PLD and any relation dictionary (RDIC) in the verification PLD in step 6-2. If not equal to (NO), the PLD verification processing unit 500 outputs a display control signal to the display unit 600 to display to the operator that an error has occurred in any relation dictionary (RDIC) in the verification PLD. After that, the process proceeds to step 6-4 (S6-4) (S6-5). Then, the display unit 600 receives a display control signal output from the PLD verification processing unit 500 and displays to the operator that an error has occurred in any relation dictionary (RDIC) in the verification PLD.

In addition, if the verification operations for the plurality of relation dictionaries RDIC stored in the verification PLD are not completed in step 6-4 (NO) (NO), the PLD verification processing unit 500 performs the hard disk. The next relation dictionary among a plurality of relation dictionaries (RDIC) in the verification PLD stored on the hard disk 200, using the relation dictionary (RDIC) address information in the next relation directory (RDIR) stored on the (200). After reading (RDIC), the process proceeds to step 6-2 again (S6-2) (S6-6).

On the other hand, after the sixth step (S6), the PLD verification processing unit 500 verifies whether the error state for the plurality of relations stored in the verification PLD, respectively, and displays the verification result to the operator (S7).

Hereinafter, a detailed process of the seventh step S7, which is the error state verification step of the relation in the verification PLD, will be described in detail with reference to FIG. 8.

First, the PLD verification processing unit 500 uses a plurality of relations in the verification PLD stored on the hard disk 200 by using relation address information in the first relation directory RDIR stored on the hard disk 200. The first relation is read out (S7-1).

Thereafter, the PLD verification processing unit 500 extracts a global directory GDIR corresponding to any relation that is read from the relation directory address area MaxRelid in the memory 400, and then the corresponding global directory GDIR. Retrieve the relation data format information stored in step S7-2.

Subsequently, the PLD verification processing unit 500 determines whether the arbitrary relation data format read is an immutable local data format or an updated global data format (S7-3).

At this time, if the arbitrary relation data format read in step 7-3 (S7-3) is an invariant local data format, the PLD verification processing unit 500 determines the arbitrary relation in the verification PLD and the corresponding relation. The corresponding relations of the natural PLD corresponding to any relation in the verification PLD are compared with each other (S7-4).

In step 7-4, if any relation in the verification PLD and the corresponding relation of the natural PLD corresponding to any relation in the verification PLD are the same (YES), the PLD verification processing unit 500 The control unit outputs a display control signal to the display unit 600 in order to display to the operator that any relation in the verification PLD is normal (S7-5). Then, the display unit 600 receives the display control signal output from the PLD verification processing unit 500, and displays to the operator that any relation in the verification PLD is normal.

Thereafter, the PLD verification processing unit 500 determines whether all verification operations for the plurality of relations stored in the verification PLD are completed (S7-6), and verifies the plurality of relations stored in the verification PLD. When all these are completed (YES), it ends.

On the other hand, any relation data format read in step 7-3 (S7-3) is an updated global data type or stored in the verification PLD in step 7-6 (S7-6). If all of the verification operations for the plurality of relations are not completed (NO), the PLD verification processing unit 500 uses the relation address information in the next relation directory RDIR stored on the hard disk 200 to store the hard disk. After reading the next relation among the plurality of relations in the verification PLD stored on the disk 200, the process proceeds to the step 7-2 (S7-2) again (S7-7).

In addition, if any relation in the verification PLD and a relation in the natural PLD corresponding to any relation in the verification PLD are not the same (NO) in step 7-4, the PLD verification processing unit. 500 outputs a display control signal to the display unit 600 to display to the operator that an error has occurred in any relation in the verification PLD, and then proceeds to step 7-6 (S7-6). S7-8). Then, the display unit 600 receives a display control signal output from the PLD verification processing unit 500 and displays to the operator that an error has occurred in any relation in the verification PLD.

As described above, according to the PLD verification method in the mobile communication switch according to the present invention, the PLD is automatically verified in an off-exchange environment and then provided to the operator or mobile operator to verify the reliability of the PLD actually used in the field. The verification time is shortened and the convenience of the PLD verifier is provided, and the error occurrence in the PLD verification is significantly reduced compared to the method of manually verifying the PLD.

Claims (16)

A magnetic tape read / write unit which stores the verification PLD on the hard disk when the operator loads any error state verification PLD; A key input unit for an operator to input a PLD verification command; If the natural PLD corresponding to the original of the verification PLD stored on the hard disk is stored and the relation directory address area MaxRelid is set as much as the maximum number of relations that can be stored in the PLD during initialization, the hard disk A memory which stores and manages all the global directories GDIR in the verification PLD stored on the corresponding addresses of the plurality of relation directory address areas MaxRelid, respectively; When a PLD verification command is received from the key input unit while a verification PLD is loaded on the hard disk, all global directories (GDIR), relation directories (RDIR), and relation dictionaries (RDIC) of the verification PLD stored on the hard disk are received. ) And all relations between the global directory (GDIR), the relation directory (RDIR), the relation dictionary (RDIC), and the relation of the relation and the natural PLD stored in the memory are sequentially verified, and then the error state of the verification PLD is verified. A PLD verification processor outputting a display control signal to display the verification result to the operator; And And a display unit configured to receive a display control signal from the PLD verification unit, and display an error state verification result of the verification PLD to an operator. A first step of the operator loading the verification PLD on the hard disk through the magnetic tape read / write unit and inputting a PLD verification command; A second step of, by the PLD verification processing unit, receiving a PLD verification command and generating a relation directory address area MaxRelid in memory as many as the maximum number of relations that can be stored in the PLD; A third step of verifying, by the PLD verification processing unit, whether an error state of a header part of a verification PLD stored on a hard disk is displayed, and displaying a verification result of the header part of the PLD to an operator; The PLD verification processor sequentially stores all the global directories GDIR in the verification PLD stored on the hard disk in a plurality of relation directory address areas MaxRelid, and at the same time, errors in all the global directories GDIR in the verification PLD. A fourth step of verifying each state of the state and displaying the verification result to the operator; A fifth step of verifying, by the PLD verification processing unit, whether there are error states of a plurality of relation directories (RDIR) stored in a verification PLD, and displaying the verification result to an operator; A sixth step of verifying, by the PLD verification processing unit, whether there are error states for a plurality of relation dictionaries (RDICs) stored in a verification PLD, and displaying the verification results to an operator; And And a seventh step of verifying, by the PLD verification processing unit, whether there are error states for a plurality of relations stored in the verification PLD, and then displaying the verification result to the operator. The method of claim 2, In the third step, the PLD verification processing unit reads the information of the header part in the verification PLD stored on the hard disk and the information of the header part in the natural PLD stored in the memory, and then compares the information of the header parts in the two PLDs with each other. -Stage 1; And If the information of the header part of the verification PLD stored on the hard disk and the information of the header part of the natural PLD stored in the memory are the same in step 3-1, the PLD verification processing unit displays to the operator that the header part of the verification PLD is normal. And a method of verifying a PD in a mobile communication switch, characterized in that the step 3-2 proceeds to the fourth step. The method of claim 3, wherein If the information in the header part of the verification PLD stored on the hard disk and the information of the header part of the natural PLD stored in the memory are not the same in step 3-1, the PLD verification processing unit displays to the operator that the verification PLD itself is damaged. And a third step of terminating and ending the step. The method of claim 2, The fourth step may include steps 4-1 of the PLD verification processing unit reading a first global directory GDIR among all global directories GDIR of the verification PLD stored on the hard disk; Step 4-2 of storing the arbitrary global directory GDIR read by the PLD verification processing unit in the relation directory address area MaxRelid among all relation directory address areas MaxRelid in the memory; The PLD verification processing section stores a predetermined global directory GLD corresponding to an arbitrary global directory GDIR in the verification PLD stored in the relation directory address area MaxRelid and an arbitrary global directory GDIR in the verification PLD. Step 4-3 comparing GDIR); If the global directory GDIR in the verification PLD and the predetermined global directory GDIR of the natural PLD corresponding to the global directory GDIR in the verification PLD are the same in step 4-3, the PLD is the same. Step 4-4 of the verification processing unit displaying to the operator that any global directory GDIR in the verification PLD is normal; And The PLD verification processing unit determines whether the verification operation for all the global directories GDIR in the verification PLD is completed, and when the verification operation of all the global directories GDIR in the verification PLD is completed, proceeds to the fifth step. Plasma verification method in a mobile communication switch, characterized in that the step 4-5. The method of claim 5, If the global directory GDIR in the verification PLD and the predetermined global directory GDIR of the natural PLD corresponding to the global directory GDIR in the verification PLD are not the same in step 4-3, The PLD verification processing unit further comprises steps 4-6, which proceeds to steps 4-5 after displaying to the operator that an error has occurred in an arbitrary global directory GDIR in the verification PLD. PLD verification method in communication exchange. The method of claim 5, If the verification operation of all the global directories GDIR in the verification PLD is not completed in step 4-5, after the PLD verification processing unit reads the next global directory GDIR in the verification PLD, the fourth operation is again performed. 4. The method of verifying a PD in a mobile communication switch, further comprising steps 4-7. The method of claim 2, In the fifth step, the PLD verification processing unit verifies that the PLD verification process is stored on the hard disk by using the relation directory RDIR address information in the first global directory GDIR stored in the first relation directory address area MaxRelid in the memory. A step 5-1 of reading a first relation directory RDIR among a plurality of relation directories RDIR in the PLD; A fifth to compare the relation relation directory RDIR of the natural PLD corresponding to the relation relation directory RDIR in the verification PLD read by the PLD verification processing unit with the relation relation directory RDIR in the verification PLD. Two steps; If the relation relation directory RDIR of the natural PLD corresponding to the relation relation directory RDIR in the verification PLD and the relation relation directory RDIR in the verification PLD is the same in step 5-2, verify the PLD. Step 5-3 of the processing unit displaying to the operator that any relation directory RDIR in the verification PLD is normal; And The PLD verification processing unit determines whether the verification operation on the plurality of relation directories (RDIR) stored in the verification PLD is completed, and when all verification operations on the plurality of relation directories (RDIR) stored in the verification PLD are completed. The method of verifying a PD in a mobile communication switch, characterized in that the step 5-4 proceeds to the sixth step. The method of claim 8, If the relation directory RDIR of the natural PLD corresponding to the relation directory RDIR in the verification PLD and the relation directory RDIR in the verification PLD is not the same in step 5-2, the PLD is not the same. And further comprising steps 5-5, wherein the verification processing unit displays an error in an arbitrary relation directory (RDIR) in the verification PLD and proceeds to step 5-4. PLD verification method in the exchange. The method of claim 8, If all of the verification operations of the plurality of relation directories RDIR stored in the verification PLD are not completed in steps 5-4, the next global stored in the next relation directory address area MaxRelid in the memory is performed. By using the relation directory (RDIR) address information in the directory (GDIR), a fifth relation in which the next relation directory (RDIR) stored in the verification PLD is read and then proceeds to the above-mentioned step 5-2 is further added. Plasma verification method in a mobile communication switch, characterized in that it comprises a. The method of claim 2, The sixth step may include a plurality of relation dictionaries (RDICs) in the verification PLD stored on the hard disk using the relation dictionary (RDIC) address information in the first relation directory (RDIR) stored on the hard disk by the PLD verification processing unit. Step 6-1 of reading the first relation dictionary RDIC; A sixth comparison comparing the relation dictionary (RDIC) in the verification PLD and the corresponding relation dictionary (RDIC) of the natural PLD corresponding to the relation relation dictionary (RDIC) in the verification PLD. Two steps; In step 6-2, if the relation dictionary (RDIC) in the verification PLD and the corresponding relation dictionary (RDIC) of the natural PLD corresponding to the relation relation dictionary (RDIC) in the verification PLD are the same, the PLD verification is performed. Step 6-3 of the processing unit displaying to the operator that any relation dictionary (RDIC) in the verification PLD is normal; And The PLD verification processor determines whether all verification operations of the plurality of relation dictionaries (RDIC) stored in the verification PLD are completed, and when all verification operations on the plurality of relation dictionaries (RDIC) stored in the verification PLD are completed. Plasma verification method of the mobile communication switch, characterized in that the sixth to sixth step proceeds to the seventh step. The method of claim 11, If the relation dictionary (RDIC) of the natural PLD corresponding to any relation dictionary (RDIC) in the verification PLD and any relation dictionary (RDIC) in the verification PLD is not the same in step 6-2, the PLD is not the same. And wherein the verification processing unit further includes steps 6-5, which proceed to step 6-4 after displaying to the operator that an error has occurred in any relation dictionary (RDIC) in the verification PLD. PLD verification method in the exchange. The method of claim 11, If the verification operations for the plurality of relation dictionaries RDICs stored in the verification PLD are not completed in steps 6-4, the PLD verification processing unit stores the relation dictionary in the next relation directory RDIR stored on the hard disk. RDIC) By using the address information, after reading the next relation dictionary (RDIC) from among a plurality of relation dictionaries (RDIC) in the verification PLD stored on the hard disk, the 6-6 step proceeds to the above step 6-2 again. Plasma verification method in a mobile communication switch, characterized in that the step further comprises. The method of claim 2, In the seventh step, the PLD verification processing unit reads the first relation among a plurality of relations in the verification PLD stored on the hard disk by using relation address information in the first relation directory (RDIR) stored on the hard disk. Step 7-1; The PLD verification processing unit extracts a global directory GDIR corresponding to any relation read from the relation directory address area MaxRelid in the memory, and then retrieves relation data format information stored in the global directory GDIR. Step 7-2; Step 7-3 of the PLD verification processing unit determining whether any relation data format read by the PLD verification processor is an immutable local data format or an updated global data format; If any relation data format read in step 7-3 is an invariant local data format, the PLD verification processing section corresponds to any relation in the verification PLD and any relation in the verification PLD. Steps 7-4 of comparing corresponding relations of natural PLDs; If any relation in the verification PLD and a corresponding relation in the natural PLD corresponding to any relation in the verification PLD in step 7-4 are the same, the PLD verification processing unit indicates that any relation in the verification PLD is normal. Step 7-5 of displaying to the operator; And The PLD verification processor determines whether all verification operations on the plurality of relations stored in the verification PLD are completed, and ends when all verification operations on the plurality of relations stored in the verification PLD are completed; Plasma verification method in a mobile communication switch, characterized in that consisting of. The method of claim 14, If any relation data format read in step 7-3 is an updated global data format or if verification operations for a plurality of relations stored in the verification PLD in step 7-6 are not all completed, The PLD verification processing unit reads the next relation among the plurality of relations in the verification PLD stored on the hard disk by using the relation address information in the next relation directory (RDIR) stored on the hard disk, and then returns to the 7- 7. A method of verifying a PD in a mobile communication switch, further comprising steps 7-7. The method of claim 14, If any relation in the verification PLD and a relation in the natural PLD corresponding to any relation in the verification PLD are not the same in step 7-4, the PLD verification processing unit fails an error in any relation in the verification PLD. And a 7-8 step of proceeding to the 7-6 step after displaying to the operator that the occurrence of the PDL verification method in the mobile communication switch.