KR100355285B1 - Processor board in local router of bsc system - Google Patents

Abstract

The present invention uses the two modules of MPC860 and PPMC750 in implementing a processor board in a local router, and more specifically, a processor board of a local router in an International Mobile Telecommunication (IMT) -2000 control station system. The present invention relates to a processor board in a local router in a control station system that improves the performance of a processor board by separating processing application control and connecting internal devices through a process communication interface (PCI) communication. By separating and implementing processors dedicated to function processing and processors dedicated to processing of call processing, not only improves the performance of the processor but also various communication methods with external devices such as Ethernet and Asynchronous Transfer Mode (ATM) path. By providing IMT- There is an outstanding effect that it can be applied to the next generation mobile communication system such as 2000 system.

Description

PROCESSOR BOARD IN LOCAL ROUTER OF BSC SYSTEM

The present invention relates to a processor board in a local router in an International Mobile Telecommunication (IMT) -2000 control station system, and more particularly, to a processor board of a local router. MPC860 (Main Prosessor Controller; hereinafter referred to as "MPC") 860 and PPMC (Processor PCI Mezzanine Card; hereinafter referred to as "PPMC") 750 Operation / maintenance processing and call processing application control using two modules The present invention relates to a processor board in a local router in a control station system which improves the performance of a processor board by separating internal devices and connecting internal devices through a PCI (Process Communication Interface; PCI) communication method. .

The processor board in the local router in the conventional mobile communication control station system, as shown in Figure 1, the memory (Memory) for storing the call processing application program, call processing information, and operation / maintenance program; And a plurality of E1 Cards (1), a plurality of optical interface units (2), and an Asynchronous Transfer Mode (ATM) switch, which are implemented using the "MPC860" module. (3) and an I / O (Input / Output) bus (4) (4) to connect the plurality of E1 cards (1), the plurality of optical interface unit (2), and ATM switch (3) It consists of an operation / maintenance and call processing module 20 which performs both operation / maintenance processing operations and call processing application processing operations with the ATM switch 3.

However, the above-described processor board in the local router in the conventional mobile communication control station system performs both operation / maintenance processing operation and call processing application control operation of each external device in one processor module, thereby increasing the load of the processor module. Not only is the performance deteriorated significantly, but the interface with external devices is limited to the I / O bus only, which is not applicable to the next-generation mobile communication system, the IMT-2000 system.

Accordingly, the present invention has been made to solve the above-mentioned conventional problems, and an object of the present invention is to separately implement a processor dedicated to operation / maintenance functions and a processor dedicated to call processing application processing separately, thereby improving the performance of the processor. In addition, the present invention provides a processor board in a local router in a control station system to provide various communication methods with external devices such as Ethernet and ATM pass.

In order to achieve the above object, a processor board in a local router in a control station system of the present invention is a processor board in a local router of a control station system having a plurality of E1 cards, a plurality of optical interface units, and an ATM switch. ,

A DP RAM for storing a call processing application program, call processing information, and an operation / maintenance program;

Receiving operation / maintenance data such as alarms and statuses from the plurality of E1 cards, the plurality of optical interface units, and the ATM switch, accessing the operation / maintenance program stored in the DP RAM to perform operation / maintenance processing operations. Operation / maintenance processing module;

An ATM interface block for converting the 64-bit call processing data from the ATM switch into 53-bit data and transmitting the converted 53-bit data to the 64-bit data when receiving the 53-bit call processing data;

When receiving 53-bit call processing data from the ATM interface block, the call processing application processing module accesses the call processing application program stored in the DP RAM, processes the call processing data into a packet form, and transmits it to the ATM interface block. ;

An Ethernet controller configured to control Ethernet communication between the plurality of E1 cards, a plurality of optical interface units, and an ATM switch and the operation / maintenance processing module and the call processing application processing module; And

And a PCI bus which is a passage for processing PCI communication between the DP RAM, operation / maintenance processing module, ATM interface block, call processing application processing module, and Ethernet control unit.

1 is a functional block diagram showing the configuration of a processor board in a local router in a conventional mobile communication control station system;

2 is a functional block diagram showing the configuration of a processor board in a local router in an IMT-2000 control station system according to an embodiment of the present invention.

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

100: DP RAM 200: operation / maintenance processing module

201: operation / maintenance processing unit 202: PCI interface control unit

300: ATM interface block 301: speed conversion logic unit

302: ATM utopia interface unit 303: SAR control unit

400: call processing application processing module 401: call processing application processing unit

402: PCI interface control unit 500: Ethernet control unit

600: PCI bus

Hereinafter, a processor board in a local router in an IMT-2000 control station system according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a functional block diagram of a processor board in a local router in an IMT-2000 control station system according to an embodiment of the present invention, and shows a processor in a local router in an IMT-2000 control station system according to an embodiment of the present invention. The board is a DP RAM (hereinafter referred to as a "DS RAM") 100, an operation / maintenance processing module 200, an ATM interface block 300, a call processing application processing module 400, and an Ethernet. (Ethernet) control unit 500, and PCI bus 600.

The DP RAM 100 is a memory shared by the operation / maintenance processing module 200 and the call processing application processing module 400 and stores a call processing application program, call processing information, and an operation / maintenance program. .

On the other hand, the operation / maintenance processing module 200 is a module implemented using Motorola's "MPC860" module, the plurality of E1 card (1), a plurality of optical interface unit (2), ATM switch (3) When receiving the operation / maintenance data such as each alarm (Alarm), State (State), etc. from the access (Access) operation / maintenance program stored in the DP RAM (100) serves to perform the operation / maintenance processing operation And an operation / maintenance processing unit 201 and a PCI interface control unit 202.

At this time, the operation / maintenance processing unit 201 mounted in the operation / maintenance processing module 200 is each of the plurality of E1 card (1), a plurality of optical interface unit (2), and ATM switch (3) Upon receiving the operation / maintenance data such as an alarm or a status, the operation / maintenance program stored in the DP RAM 100 is read, and the plurality of E1 cards 1 and the plurality of optical interface units 2 according to the program. , And perform the operation / maintenance processing operations of the ATM switch 3.

In addition, the PCI interface controller 202 mounted in the operation / maintenance processing module 200 serves to control the data interface between the operation / maintenance processing unit 201 and the PCI bus 600.

Meanwhile, when receiving the 64-bit call processing data from the ATM switch 3, the ATM interface block 300 converts the 64-bit call processing data into 53-bit data and transmits the converted 53-bit data to the call processing application processing module 400. When the 53-bit call processing data is received from the application processing module 400, it converts the data into 64-bit data and transmits it to the ATM switch 3, and the speed conversion logic unit 301 and ATM Utopia An interface unit 302 and a SAR (Segment And Reassemble (SAR)) control unit 303 are configured.

At this time, the speed conversion logic unit 301 mounted in the ATM interface block 300 converts the call processing data of 51.85MHz speed from the ATM switch 3 to 22MHz speed and then converts the data into a 22MHz speed. On the other hand, when the call processing data of 22 MHz is received from the ATM utopia interface unit 302, it is converted to 51.85 MHz and then transmitted to the ATM switch 3.

In addition, the ATM utopia interface unit 302 mounted in the ATM interface block 300 serves to serve as a utopia interface between the speed conversion logic unit 301 and the SAR control unit 303.

The SAR controller 303 mounted in the ATM interface block 300 converts the 64-bit call processing data of 22 MHz from the ATM utopia interface 302 into 53-bit data and converts the data into 53-bit data. While transmitting to the call processing application processing module 400 and receiving the 53-bit packet processed call processing data from the call processing application processing module 400, the ATM Utopia interface unit 302 is converted into 64-bit data. ) Is used to send.

On the other hand, the call processing application processing module 400 is a module implemented using Motorola's "PPMC750" module, when receiving 53-bit call processing data from the ATM interface block 300 to the DP RAM (100) Accesses the stored call processing application program, processes the call processing data into a packet form, and transmits the call processing data to the ATM interface block 300 again. The call processing application processing unit 401 and the PCI interface control unit 402 Consists of.

At this time, the call processing application processing unit 401 mounted in the call processing application processing module 400 receives the call processing data of 53 bits from the ATM interface block 300 and stores the call processing stored in the DP RAM 100. At the same time as reading the application program and processing the call processing data in the form of a packet according to the program and serves to transmit to the ATM interface block 300 again.

In addition, the PCI interface controller 402 mounted in the call processing application processing module 400 serves to control a data interface between the call processing application processing unit 401 and the PCI bus.

Meanwhile, the Ethernet controller 500 may include the plurality of E1 cards 1, a plurality of optical interface units 2, an ATM switch 3, the operation / maintenance processing module 200, and a call processing application processing module ( It controls the Ethernet communication between 400).

In addition, the PCI bus 600 is a PCI communication between the DP RAM 100, operation / maintenance processing module 200, ATM interface block 300, call processing application processing module 400, and Ethernet control unit 500. Bus that is a passageway to process

Next, a processor board in a local router in an IMT-2000 control station system according to an embodiment of the present invention having the above configuration will be described with reference to FIG. 2.

First, the operation / maintenance processing operation of the processor board in the local router in the IMT-2000 control station system according to an embodiment of the present invention will be described.

The operation / maintenance processing unit 201 in the operation / maintenance processing module 200 may provide an alarm, a status, and the like from the plurality of E1 cards 1, the plurality of optical interface units 2, and the ATM switch 3. Upon receiving the operation / maintenance data, the operation / maintenance program stored in the DP RAM 100 is read through the PCI interface controller 202.

Thereafter, the operation / maintenance processing unit 201 performs operation / maintenance processing operations of the plurality of E1 cards 1, the plurality of optical interface units 2, and the ATM switch 3 according to an operation / maintenance program. do.

On the other hand, when the operation / maintenance processing module 200 performs the Ethernet communication with the plurality of E1 cards (1), the plurality of optical interface unit 2, and ATM switch (3), the operation / The maintenance processing operation will be described below.

First, when the Ethernet control unit 500 receives operation / preservation data such as alarms and statuses from the plurality of E1 cards 1, the plurality of optical interface units 2, and the ATM switch 3, Operation / maintenance data is transmitted to the operation / maintenance processing module 200 through the PCI bus 600.

Subsequently, the PCI interface controller 202 in the operation / maintenance processing module 200 receives operation / maintenance data from the Ethernet control unit 500 and transmits the operation / maintenance processing unit 201 to the operation / maintenance processing unit 201.

Then, the operation / maintenance processing unit 201 receives operation / maintenance data for the plurality of E1 cards 1, the plurality of optical interface units 2, and the ATM switch 3 from the PCI interface control unit 202. After receiving, the operation / maintenance program stored in the DP RAM 100 is read through the PCI interface controller 202.

Thereafter, the operation / maintenance processing unit 201 performs operation / maintenance processing operations of the plurality of E1 cards 1, the plurality of optical interface units 2, and the ATM switch 3 according to an operation / maintenance program. do.

Hereinafter, a call processing application processing operation of a processor board in a local router in an IMT-2000 control station system according to an embodiment of the present invention will be described.

First, the speed conversion logic unit 301 mounted in the ATM interface block 300 receives call processing data having a 51.85 MHz speed from the ATM switch 3 and converts the call processing data into a 22 MHz speed to convert the ATM utopia interface unit 302. )

Then, the ATM utopia interface unit 302 receives call processing data having a 22 MHz speed from the speed conversion logic unit 301 and outputs it to the SAR control unit 303.

Subsequently, the SAR controller 303 receives the 22-bit 64-bit call processing data from the ATM utopia interface unit 302 and converts the 64-bit call processing data into 53-bit data and processes the call processing application through the PCI bus 600. Send to module 400.

Then, the PCI interface control unit 402 in the call processing application processing module 400 receives the 53-bit call processing data from the SAR control unit 303 and transmits it to the call processing application processing unit 401.

Subsequently, the call processing application processor 401 receives the 53-bit call processing data from the ATM interface block 300, reads the call processing application program stored in the DP RAM 100, and simultaneously reads the call processing application program. Therefore, the call processing data is processed into a packet form.

Thereafter, the call processing application processor 401 transmits the packet processed call processing data to the SAR controller 303 through the PCI interface controller 402.

Then, the SAR control unit 303 receives the 53-bit packet processed call processing data from the PCI interface control unit 402 in the call processing application processing module 400, converts it into 64-bit data, and converts the ATM into 64-bit data. The speed conversion logic unit 301 is transmitted through the utopia interface unit 302.

Subsequently, the speed conversion logic unit 301 receives call processing data having a 22 MHz speed from the ATM utopia interface unit 302 and converts it to a 51.85 MHz speed and transmits the same to the ATM switch 3.

On the other hand, when the call processing application processing module 400 performs Ethernet communication with the plurality of E1 cards 1, the plurality of optical interface units 2, and the ATM switch 3, the call processing of the present invention. The application processing operation is described below.

First, the Ethernet controller 500 receives call processing data from the ATM switch 3 and transmits the call processing data to the call processing application processing module 400 through the PCI bus 600.

Then, the PCI interface control unit 402 in the call processing application processing module 400 receives call processing data from the Ethernet control unit 500 and transmits the call processing data to the call processing application processing unit 401.

Subsequently, the call processing application processor 401 receives call processing data from the ATM interface block 300, reads a call processing application program stored in the DP RAM 100, and simultaneously processes the call according to the program. Process the data in packet form.

Thereafter, the call processing application processor 401 transmits the packet processed call processing data to the Ethernet controller 500 through the PCI interface controller 402.

Then, the Ethernet control unit 500 receives the packet processed call processing data from the PCI interface control unit 402 in the call processing application processing module 400 and transmits it to the ATM switch 3 again.

As described above, according to the processor board in the local router in the control station system according to the present invention, a processor dedicated to operation / maintenance functions and a processor dedicated to call processing application processing are separately implemented, and at the same time between internal devices. By implementing communication through the PCI bus, it not only improves the performance of the processor, but also provides various communication methods with external devices such as Ethernet and ATM paths, so that it can be applied to next generation mobile communication systems such as the IMT-2000 system. There is.

Claims (6)

A processor board in a local router of a control station system having a plurality of E1 cards, a plurality of optical interface units, and an ATM switch, A DP RAM for storing a call processing application program, call processing information, and an operation / maintenance program; Receiving operation / maintenance data such as alarms and statuses from the plurality of E1 cards, the plurality of optical interface units, and the ATM switch, accessing the operation / maintenance program stored in the DP RAM to perform operation / maintenance processing operations. Operation / maintenance processing module; An ATM interface block for converting the 64-bit call processing data from the ATM switch into 53-bit data and transmitting the converted 53-bit data to the 64-bit data when receiving the 53-bit call processing data; When receiving 53-bit call processing data from the ATM interface block, the call processing application processing module accesses the call processing application program stored in the DP RAM, processes the call processing data into a packet form, and transmits it to the ATM interface block. ; An Ethernet controller configured to control Ethernet communication between the plurality of E1 cards, a plurality of optical interface units, and an ATM switch and the operation / maintenance processing module and the call processing application processing module; And And a PCI bus which is a passage for processing PCI communication between the DP RAM, operation / maintenance processing module, ATM interface block, call processing application processing module, and Ethernet control unit. The method of claim 1, The operation / maintenance processing block is a processor board in a local router in a control station system, characterized in that implemented using the "MPC860" module. The method of claim 1, The operation / maintenance processing module reads operation / maintenance programs stored in the DP RAM when receiving operation / maintenance data such as alarms and statuses from the plurality of E1 cards, a plurality of optical interface units, and an ATM switch. After operation / maintenance processing unit for performing the operation / maintenance processing operation for each device according to the program; And And a PCI interface controller for controlling an interface between the operation / maintenance processing unit and the PCI bus. The method of claim 1, The ATM interface block converts and outputs the call processing data of 51.85MHz at 22MHz when receiving the 51.85MHz call processing data from the ATM switch, and converts the call processing data at the 22MHz speed to 51.85MHz and transmits it to the ATM switch. Speed conversion logic; An ATM utopia interface unit receiving the call processing data having a 22 MHz rate from the speed conversion logic unit and utopia interface; And When receiving 64-bit call processing data having a 22 MHz rate from the ATM utopia interface unit, the 64-bit call processing data is converted into 53-bit data and transmitted to the call processing application processing module via a PCI bus, while a 53-bit packet is received from the call processing application processing module. And a SAR controller for converting the processed call processing data into 64-bit data and transmitting the converted call processing data to the ATM utopia interface unit. The method of claim 1, And the call processing application processing module is implemented using a "PPMC750" module. The method of claim 1, When the call processing application processing module receives the 53-bit call processing data from the ATM interface block, the call processing application program reads the call processing application program stored in the DP RAM and processes the call processing data in packet form according to the program. A call processing application processor for transmitting back to the ATM interface block; And And a PCI interface controller configured to control an interface between the call processing application processor and the PCI bus.