KR100428861B1 - Apparatus for testing of voice service in sub system of base station/control station, its method - Google Patents

Abstract

1. TECHNICAL FIELD OF THE INVENTION

The present invention relates to a voice service test apparatus and method thereof of a base station / control station sub-system and a computer-readable recording medium having recorded thereon a program for realizing the method.

2. Technical problem to be solved by the invention

The present invention relates to a voice service test apparatus and method for verifying a voice service function of an asynchronous base station / control station sub-system connected to an asynchronous base station / control station sub-system, and a computer program having recorded thereon a program for realizing the method. To provide a record medium.

3. Summary of Solution to Invention

The present invention relates to a voice service test apparatus for a base station / control station sub-system, which receives data in the form of an optical signal from an asynchronous base station / control station sub-system, converts it into serial data, which is an electrical signal, and converts the voice data to be transmitted. Asynchronous transfer mode (ATM) matching means for transmitting to the control station subsystem; Physical (PHY) processing means for receiving serial data converted by the ATM matching means, extracting ATM cell information from serial / parallel converted data, and transmitting voice data to be transmitted to the ATM matching means; Central processing means for receiving ATM cell information extracted from the PHY processing means through a UTOPIA interface to extract voice data, and transmitting the voice data to be transmitted to the PHY processing means; Vocoder means for transmitting the voice data extracted from the central processing means to an adaptive multi rate (AMR) voice codec and transmitting the voice data to be transmitted to the central processing means through DPRAM (Dual Port RAM) communication; And PSTN matching means for matching voice coded voice data by the vocoder means to a voice terminal, and matching the voice data generated by the voice terminal to transmit the voice data to the vocoder means.

4. Important uses of the invention

The present invention is used for testing voice services of asynchronous base station / control station subsystems.

Description

Apparatus for testing of voice service in sub system of base station / control station, its method}

The present invention relates to a voice service test apparatus and method thereof of a base station / control station sub-system, and more particularly, to test a voice call of a base station or a control station sub-system by supporting an asynchronous voice codec, thereby providing a base station / control station sub-system. The present invention relates to a voice service test apparatus capable of measuring a voice service performance, and a method and a computer readable recording medium storing a program for realizing the method.

In general, in the synchronous method, the vocoder block is located in the control station. In the asynchronous method, the vocoder block is located in the core network by the specification. Thus, the asynchronous base station / control station sub-system does not have a vocoder block, and the core network is also in development at this stage, and a test vocoder device capable of testing a voice call for voice service testing of the base station / control station subsystem (i.e. In particular, the development of an apparatus for enabling voice service testing of an asynchronous base station / control station service system is required.

SUMMARY OF THE INVENTION The present invention has been proposed to meet the above requirements, and is connected to an asynchronous base station / control station subsystem and a voice service test apparatus and method for verifying a voice service function of an asynchronous base station / control station subsystem; It is an object of the present invention to provide a computer-readable recording medium having recorded thereon a program for realizing the method.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a configuration diagram of an apparatus for testing a voice service of a base station / control station sub system according to the present invention.

Figure 2 is a detailed configuration diagram of one embodiment of the vocoder module of Figure 1 according to the present invention.

Figure 3 is a detailed configuration diagram of one embodiment of the central processing module of Figure 1 according to the present invention.

4 is a flow diagram of an embodiment of a voice service test method of a base station / control station subsystem in accordance with the present invention;

* Explanation of symbols for main parts of the drawings

100: ATM matching unit 200: PHY processing unit

300: central processing module 400: vocoder module

500: PSTN matching part

The present invention for achieving the above object, in the voice service test apparatus of the base station / control station subsystem, receives data in the form of optical signal from the asynchronous base station / control station subsystem and converts it into serial data which is an electrical signal Asynchronous transfer mode (ATM) matching means for transmitting voice data to be transmitted to a base station / control station subsystem; Physical (PHY) processing means for receiving serial data converted by the ATM matching means, extracting ATM cell information from serial / parallel converted data, and transmitting voice data to be transmitted to the ATM matching means; Central processing means for receiving ATM cell information extracted from the PHY processing means through a UTOPIA interface to extract voice data, and transmitting the voice data to be transmitted to the PHY processing means; Vocoder means for transmitting the voice data extracted from the central processing means to an adaptive multi rate (AMR) voice codec and transmitting the voice data to be transmitted to the central processing means through DPRAM (Dual Port RAM) communication; And a PSTN matching means for matching the voice coded voice data by the vocoder means to the voice terminal, and matching the voice data generated by the voice terminal to transmit the voice data to the vocoder means.

The present invention is a voice service test method applied to a voice service test apparatus of a base station / control station sub-system, and loops back a voice signal input from an arbitrary voice terminal at a PSTN matching unit and outputs it to another voice terminal. A first step of verifying a voice service function of the PSTN matching unit by comparing the input / output voice signals; A second step of looping back a voice signal input from an arbitrary voice terminal and outputting the voice signal to another voice terminal by comparing the input / output voice signal with the vocoder module; A third step of looping back a voice signal input from an arbitrary voice terminal at a central processing module and outputting the same to another voice terminal, and then comparing the input / output voice signals to verify a voice service function of the central processing module; A fourth step of looping back a voice signal input from an arbitrary voice terminal by a physical (PHY) processor and outputting the voice signal to another voice terminal, and then comparing the input / output voice signals to verify the voice service function of the PHY processor; A fifth step of looping back a voice signal input from an arbitrary voice terminal in an asynchronous transfer mode (ATM) matching unit and outputting the voice signal to another voice terminal, and then comparing the input / output voice signals to verify the voice service function of the ATM processor; And when the voice service of the voice service test apparatus is normally completed, loops back a voice signal input from an arbitrary voice terminal at a control station / base station, outputs the voice signal to another voice terminal of the voice service test apparatus, and then compares the input / output voice signal. And a sixth step of verifying the voice service function of the control station / base station.

Meanwhile, the present invention loops back a voice signal input from an arbitrary voice terminal at a PSTN matching unit to a voice service test system having a processor for a voice service test of an asynchronous base station / control station subsystem. A first function of verifying a voice service function of the PSTN matching unit by comparing an input / output voice signal after outputting the signal; A second function of looping back a voice signal input from an arbitrary voice terminal at the vocoder module and outputting the voice signal to another voice terminal, and then comparing the input / output voice signals to verify the voice service function of the vocoder module; A third function of looping back a voice signal input from an arbitrary voice terminal and outputting the voice signal to another voice terminal by comparing the input / output voice signal with the central processing module; A fourth function of looping back a voice signal input from an arbitrary voice terminal by a physical (PHY) processing unit and outputting the voice signal to another voice terminal, and then comparing the input / output voice signals to verify the voice service function of the PHY processing unit; A fifth function of looping back a voice signal input from an arbitrary voice terminal in an asynchronous transfer mode (ATM) matching unit and outputting the voice signal to another voice terminal, and then comparing the input / output voice signals to verify the voice service function of the ATM processing unit; And when the voice service of the voice service test apparatus is normally completed, loops back a voice signal input from an arbitrary voice terminal at a control station / base station, outputs the voice signal to another voice terminal of the voice service test apparatus, and then compares the input / output voice signal. A computer readable recording medium having recorded thereon a program for realizing a sixth function of verifying a voice service function of a control station / base station is provided.

The objects, features and advantages described above will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a configuration diagram of an apparatus for testing a voice service of a base station / control station subsystem according to the present invention.

As shown in FIG. 1, the voice service test apparatus of the asynchronous base station / control station subsystem according to the present invention includes an ATM matching unit 100, a PHY processing unit 200, a central processing module 300, and a vocoder module 400. The PSTN matching unit 500 and the power supply unit 600 are included.

The ATM matching unit 100 receives data in the form of an optical signal of 155.52 Mbps from the asynchronous base station / control station subsystem and transmits the serial data converted into the electrical signal form to the PHY processing unit 200, and from the PHY processing unit 200. Receives the transmission data and transmits the data converted into the optical signal to the base station / control station subsystem.

The PHY processing unit 200 serially / parallel-converts serial data received from the ATM matching unit 100 and transmits ATM cell information extracted from the converted data to the central processing module 300, and transmits the information from the central processing module 300. The ATM cell information is transmitted to the ATM matching unit 100.

The central processing module 300 is equipped with a real-time operating system (Operating System) to control the initialization of the various resources in the board, and transmits the data received from the PHY processing unit 200 to the vocoder module 400, vocoder module 400 Receives the transmission data from the through the dual port RAM (DPRAM) communication and transmits to the PHY processing unit 200.

The vocoder module 400 converts the data received from the central processing module 300 through DPRAM communication into an Adaptive Multi Rate (AMR) voice codec, which is an asynchronous voice codec algorithm. The voice data provided from the PSTN matching unit 500 is encoded and transmitted to the central processing module 300.

2 is a detailed configuration diagram of an embodiment of the vocoder module of FIG. 1 according to the present invention.

As shown in FIG. 2, the vocoder module 400 of FIG. 1 includes a DSP (Digital Signal Processor) core unit 420, a DPRAM unit 430, a PLD logic unit 440, and a flash memory unit 450. do. The vocoder module 400 of FIG. 1 includes a serial transmission bus interface for voice data exchange, DSP emulation through a JTAG head for efficient debugging of the vocoder module 400 of FIG. 1, and the like.

The DPRAM unit 430 includes a first DPRAM 432 and a second DPRAM 434, stores data in the form of packets transmitted by the central processing module 300 of FIG. 1, and the PLD logic unit 440. The data in the form of a packet stored under the control of the DSP is provided to the DSP core unit 420.

In addition, the DPRAM unit 430 stores data in the form of packets encoded from the DSP core unit 420, and provides the stored data to the central processing module 300 of FIG. 1 under the control of the PLD logic unit 440. .

The DSP core unit 420 is composed of N pieces (N is a natural number) that performs a multi-channel AMR voice codec function, and decodes data received from the central processing module (300 of FIG. 1) and stored in the DPRAM unit 430 to PSTN. It is provided to the matching part (500 of FIG. 1).

In addition, the DSP core unit 420 encodes voice data in the form of pulse code modulation (PCM) provided by the PSTN matching unit (500 of FIG. 1), stores the encoded data in the DPRAM 430, and controls the PLD logic unit 440. The stored data is transmitted to the central processing module (300 of FIG. 1).

That is, the DSP core unit 420 is connected to the PSTN matching unit (500 in FIG. 1) through a serial transmission bus interface, and embedded McBSP (Multi-channel Buffered) to store PCM type voice data input through the serial transmission bus interface. Serial Port) is encoded in units of 20ms frame through the port and stored in the corresponding area of the DPRAM unit 430, and on the contrary, it decodes the packet data input from the central control module (300 in FIG. 1) and serializes the data into PCM type data. It is provided to the PSTN matching unit (500 in FIG. 1) via the transmission bus interface.

When the serial transmission bus interface is not used, the DSP core unit 420 and the central control module 300 in FIG. 1 are connected to the PCM type voice data through the DPRAM unit 430 of the vocoder module 400 of FIG. 1. Exchange data in packet form.

Accordingly, the vocoder module (400 of FIG. 1) receives and encodes PCM-type voice data from the PSTN matching unit (500 of FIG. 1) through the back board and the ST bus interface and provides the encoded data to the central control module (300 of FIG. 1). The PCM-type voice data and the packet-type data can both be transferred through the DPRAM unit 430 in a loopback mode.

3 is a detailed configuration diagram of an embodiment of the central processing module of FIG. 1 according to the present invention.

As shown in FIG. 3, the central processing module 300 of FIG. 1 includes a main processor 320, a memory 330, a clock generator 340, and a line driver 350. .

The main processor 320 controls the overall functions of the central processing module 300 (FIG. 1), and in particular, controls the state of the AMR voice codec function through DPRAM communication and UTOPIA matching with the vocoder module 400 (FIG. 1). .

The memory unit 330 includes an SDRAM 332, an SRAM 334, and a flash ROM 336 and stores palmware, boot code, application code, and processed data.

The clock generator 340 generates a reference clock using the 66M oscillator and provides the generated reference clock to the main processor 320. The line driver 350 includes an RS232C line driver 352 and an Ethernet line driver 354. Here, the RS232C line driver 352 is connected to the main processor through a serial management controller (SMC) 1/2 port to perform debugging, status information collection and statistics functions, and the Ethernet line driver 354 is a fast communication controller (FCC). It is connected to the main processor 320 through 2 ports to perform debugging, status information collection and statistics functions.

4 is a flow diagram of an embodiment of a voice service test method of a base station / control station subsystem according to the present invention.

As shown in FIG. 4, the PSTN matching unit 500 of the voice service test apparatus receives a voice signal using an arbitrary connected phone, and the PSTN matching unit 500 loops back a voice signal input from an arbitrary telephone. (Loop Back) and outputs to another phone connected to the PSTN matching unit 500. Therefore, by comparing the sound quality of the input voice signal and the output voice signal, it is determined whether or not the PSTN matching unit 500 is abnormal by performing a voice service test (41).

Subsequently, when the PSTN matching unit 500 compares the sound quality of the PSTN matching unit 500 in the process 41, if the PSTN matching unit 500 is satisfactory, the voice signal of any telephone inputted to the vocoder module 400 is looped back. Output to another phone connected to the PSTN matching unit 500. Therefore, by comparing the sound quality of the input voice signal and the output voice signal, it is determined whether or not the vocoder module 400 is abnormal by performing a voice service test (42).

When the vocoder module 400 operates as a result of comparing the sound quality of the vocoder module 400 in the process 42, PSTN matching is performed by looping back a voice signal of an arbitrary phone input to the central processing module 300. Output to the other telephone connected to the unit 500. Therefore, by comparing the sound quality of the input voice signal and the output voice signal, it is determined whether or not the central processing module 300 is abnormal by performing a voice service test (43).

Subsequently, as a result of comparing the sound quality of the central processing module 300 in step 43, if the central processing module 300 is satisfactory, the voice signal of any telephone input to the PHY processing unit 200 is looped back so that the PSTN matching unit ( To another phone connected to 500). Therefore, by comparing the sound quality of the input voice signal and the output voice signal, it is determined whether the PHY processing unit 200 is abnormal by performing a test of the voice service (44).

Next, as a result of comparing the sound quality of the PHY processing unit 200 in the process 44, when the PHY processing unit 200 is satisfactory, the voice signal of any telephone input to the ATM matching unit 100 is looped back to finally PSTN. Outputs to another phone connected to the matching unit 500. Therefore, by comparing the sound quality of the input voice signal and the output voice signal, it is determined whether the ATM matching unit 100 is abnormal by performing a voice service test (45).

As described above, by comparing the sound quality of the input voice signal and the output voice signal while determining the abnormality by increasing the loopback distance for each module and block of the voice service test device, when the function and performance verification of the voice service test device part is completed, Next, the control station and the base station can be looped back in order to determine whether there is more.

That is, as a result of the sound quality test of each module of the voice service test apparatus, if the sound quality of each module is good, the voice signal of any telephone inputted to the control station is looped back and finally output to another telephone connected to the PSTN matching unit 500. . Accordingly, by comparing the sound quality of the voice signal input to the control station and the voice signal output from the control station, it is possible to determine whether the control station is abnormal by performing a voice service test (46).

When the control station is satisfactory as a result of the sound quality test of the control station, the voice signal of any telephone input to the base station is looped back and finally output to another telephone connected to the PSTN matching unit 500. Therefore, by comparing the sound quality of the voice signal inputted to the base station and the voice signal outputted from the base station, it is determined whether the base station is abnormal by performing a voice service test (47). By doing so, the voice service test apparatus and the control station / base station Check for abnormalities and exit this loop.

On the other hand, if a terminal for asynchronous mobile communication is connected to the base station, the call between the phone connected to the PSTN matching unit 500 of the voice service test apparatus is possible, and it is possible to determine whether there is an abnormality.

The method of the present invention as described above may be implemented as a program and stored in a computer-readable recording medium (CD-ROM, RAM, ROM, floppy disk, hard disk, magneto-optical disk, etc.).

The present invention described above is not limited to the stated embodiments and the accompanying drawings, and it is common in the art that various substitutions, modifications, and changes can be made without departing from the technical spirit of the present invention. It will be evident to those who have knowledge of.

The present invention as described above has the effect of measuring the performance of the base station / control station subsystem by testing the voice service of the base station or control station subsystem.

Claims (8)

A voice service test apparatus of a base station / control station subsystem, An asynchronous transfer mode (ATM) matching means for receiving data in the form of an optical signal from the asynchronous base station / control station sub-system, converting it into serial data which is an electrical signal, and transmitting the voice data to be transmitted to the base station / control station sub-system; Physical (PHY) processing means for receiving serial data converted by the ATM matching means, extracting ATM cell information from serial / parallel converted data, and transmitting voice data to be transmitted to the ATM matching means; Central processing means for receiving ATM cell information extracted from the PHY processing means through a UTOPIA interface to extract voice data, and transmitting the voice data to be transmitted to the PHY processing means; Vocoder means for transmitting the voice data extracted from the central processing means to an adaptive multi rate (AMR) voice codec and transmitting the voice data to be transmitted to the central processing means through DPRAM (Dual Port RAM) communication; And PSTN matching means for matching the voice coded voice data from the vocoder means to a voice terminal, and matching the voice data generated by the voice terminal to transmit the voice data to the vocoder means. Voice service test apparatus of the base station / control station subsystem comprising a. The method of claim 1, The central processing means, A main processor for controlling the overall function of the central processing means, and controlling the state of the AMR voice codec function through DPRAM communication and UTOPIA matching with the vocoder means; Memory for storing palmware, boot code, application code, and processed data; A clock generator for providing a reference clock to the main processor; And A line driver connected to the main processor unit through a port to perform debugging, state information collection, and statistical functions Voice service test apparatus of the base station / control station subsystem comprising a. The method of claim 2, The line driver, An RS 232C line driver connected to the main processor unit through a serial management controller (SMC) 1/2 port to perform debugging, status information collection, and statistical functions; And Ethernet line driver connected to the main processor via Fast Communication Controller (FCC) 2 port to perform debugging, status information collection and statistics functions Voice service test apparatus of the base station / control station subsystem comprising a. The method according to any one of claims 1 to 3, The vocoder means, DSP (Digital Signal Processor) for decoding the voice data received from the central processing means and stored in the DPRAM unit to the PSTN matching means, and encoding and transmitting the PCM voice data provided by the PSTN matching means to the central processing means. Core part; The DPRAM unit for storing the encoded voice data from the DSP core unit and providing the stored voice data to the central processing unit at the request of the DSP core unit; And PLD logic section for performing control for providing the voice data stored in the DPRAM section to the central processing means Voice service test apparatus of the base station / control station subsystem comprising a. delete A voice service test method applied to a voice service test apparatus of a base station / control station subsystem, A first step of looping back a voice signal input from an arbitrary voice terminal at a PSTN matching unit and outputting the voice signal to another voice terminal, and then comparing the input / output voice signals to verify the voice service function of the PSTN matching unit; A second step of looping back a voice signal input from an arbitrary voice terminal and outputting the voice signal to another voice terminal by comparing the input / output voice signal with the vocoder module; A third step of looping back a voice signal input from an arbitrary voice terminal at a central processing module and outputting the same to another voice terminal, and then comparing the input / output voice signals to verify a voice service function of the central processing module; A fourth step of looping back a voice signal input from an arbitrary voice terminal by a physical (PHY) processor and outputting the voice signal to another voice terminal, and then comparing the input / output voice signals to verify the voice service function of the PHY processor; A fifth step of looping back a voice signal input from an arbitrary voice terminal in an asynchronous transfer mode (ATM) matching unit and outputting the voice signal to another voice terminal, and then comparing the input / output voice signals to verify the voice service function of the ATM processor; And When the voice service of the voice service test apparatus is normally completed, the voice signal input from an arbitrary voice terminal is looped back from the control station / base station and output to the other voice terminal of the voice service test apparatus, and then the input / output voice signals are compared. Sixth step of verifying voice service function of control station / base station Voice service test method of the base station / control station subsystem comprising a. The method of claim 6, When the asynchronous mobile communication terminal is connected to the base station, a call is carried out between the asynchronous mobile communication terminal and a voice terminal connected to the PSTN matching unit of the voice service test apparatus, and the control station / base station and the voice service test apparatus. The voice service test method of the base station / control station subsystem, characterized in that determining whether there is an error. In a voice service test system with a processor for voice service test of an asynchronous base station / control station subsystem, A first function of looping back a voice signal input from an arbitrary voice terminal at a PSTN matching unit and outputting the voice signal to another voice terminal, and then comparing the input / output voice signals to verify the voice service function of the PSTN matching unit; A second function of looping back a voice signal input from an arbitrary voice terminal at the vocoder module and outputting the voice signal to another voice terminal, and then comparing the input / output voice signals to verify the voice service function of the vocoder module; A third function of looping back a voice signal input from an arbitrary voice terminal and outputting the voice signal to another voice terminal by comparing the input / output voice signal with the central processing module; A fourth function of looping back a voice signal input from an arbitrary voice terminal by a physical (PHY) processing unit and outputting the voice signal to another voice terminal, and then comparing the input / output voice signals to verify the voice service function of the PHY processing unit; A fifth function of looping back a voice signal input from an arbitrary voice terminal in an asynchronous transfer mode (ATM) matching unit and outputting the voice signal to another voice terminal, and then comparing the input / output voice signals to verify the voice service function of the ATM processing unit; And When the voice service of the voice service test apparatus is normally completed, the voice signal input from an arbitrary voice terminal is looped back from the control station / base station and output to the other voice terminal of the voice service test apparatus, and then the input / output voice signals are compared. Sixth function for verifying the voice service function of the control station / base station A computer-readable recording medium having recorded thereon a program for realizing this.