KR100651752B1 - Mobile platform apparatus for multiple antenna system and mobile platform apparatus for verifying of multiple antenna system - Google Patents

Abstract

The present invention relates to a terminal platform device for a multi-antenna system and a terminal platform verification device for verifying the same. The terminal platform device for a multi-antenna system according to the present invention is a terminal platform device for a multi-antenna system for communicating with an external system. A baseband unit for receiving and modulating transmission data to be transmitted to the external system and receiving and demodulating baseband reception data; An IF unit which receives the modulated transmission data from the baseband unit, converts the IF data into IF (intermediate frequency) transmission data, converts the IF reception data into the baseband reception data, and transmits the received data to the baseband unit; And receiving IF transmission data from the IF unit, converting the RF transmission data into RF (high frequency) transmission data, and transmitting the received RF data to the external system. The RF unit may provide a terminal function that operates in real time and non-real time under a multiband multicarrier environment of a fourth generation wireless communication system.

Description

Mobile platform apparatus for multiple antenna system and mobile platform apparatus for verifying of multiple antenna system

1 is a block diagram of a terminal platform device for a multi-antenna system and a terminal platform device for verification thereof according to an embodiment of the present invention.

FIG. 2 is a diagram illustrating in more detail a connection relationship between a diplexer board connecting an RF board and an antenna unit in the terminal platform device of FIG. 1.

FIG. 3 is a diagram illustrating a front surface of the terminal platform device for a multi-antenna system in FIG. 1.

4 is a diagram illustrating a rear surface of the terminal platform device for a multi-antenna system in FIG. 1;

5 is a self-shaped view of the terminal platform device for a multi-antenna system in FIGS. 3 and 4.

The present invention relates to a terminal platform device for a multi-antenna system and a terminal platform verification device for verification thereof, and more particularly, to operate in real time and non-real time under a multiband multicarrier environment of a 4G wireless system. The present invention relates to a terminal platform device for a multi-antenna system and a terminal platform verification device for verifying the terminal platform device.

In the 4G wireless communication system, studies are being actively conducted to secure higher data rates using multiple-input multiple-output (MIMO) in a system using multiple antennas. However, the development of the terminal platform device for the multi-antenna system applying the MIMO technology and the development of the terminal platform verification device for the verification of the terminal platform device for the multi-antenna system are insufficient.

In addition, in the 4th generation wireless communication system, a data rate of 100 Mbps (bit / sec) or more is required, and a modem that can transmit and receive data of 100 Mbps or more and a terminal device interface that analyzes the modem performance as described above are Required. However, although research on the modem and the interface has been made, the situation is still insufficient.

In addition, as the development of wireless communication systems is accelerated, it is required to shorten the development period of building a development environment for research and implementation of new communication protocols and standards. In the meantime, the method and research that can be applied to the various modem technologies by using the stabilized terminal platform device have been conducted, but the development of the terminal platform device that can download the modem software in the multiband multicarrier environment is still insufficient. .

The present invention is to solve the above problems, and to configure the baseband / IF board and the RF board for each of a plurality of bands to operate in a multi-band multicarrier environment, each of four bands of each band The present invention provides a terminal platform device for a multi-antenna system that applies a MIMO technique and a beamforming technique by configuring a channel or configuring an 8-pass channel in one band.

In addition, the present invention provides a terminal platform verification apparatus for a multi-antenna system capable of downloading various modem software in a multiband multicarrier environment and verifying in real time and non-real time.

The terminal platform device for a multi-antenna system of the present invention for solving the technical problem, in the terminal platform device for a multi-antenna system for communicating with an external system, receives and modulates the transmission data to be transmitted to the external system, the base A baseband unit for receiving and demodulating band reception data; An IF unit which receives the modulated transmission data from the baseband unit, converts the IF data into IF (intermediate frequency) transmission data, converts the IF reception data into the baseband reception data, and transmits the received data to the baseband unit; And receiving IF transmission data from the IF unit, converting the RF transmission data into RF (high frequency) transmission data, and transmitting the received RF data to the external system. It consists of an RF unit, wherein the IF unit and the RF unit each comprises a plurality of passes, the transmission data and the received data is characterized in that transmitted through at least one of the plurality of passes.

In addition, the terminal platform verification apparatus for a multi-antenna system of the present invention for solving the technical problem, the terminal platform device for communicating with an external system; And generating verification original data for verifying the terminal platform device and transmitting the verification original data to the terminal platform device, and comparing the verification comparison data received from the terminal platform device with the verification original data to verify the terminal platform device. It characterized in that it comprises a terminal device.

In addition, the terminal platform device for a multi-antenna system of the present invention for solving the technical problem, in the terminal platform device for a multi-antenna system for communicating with an external system, receives and modulates the transmission data to be transmitted to the external system When receiving baseband received data, demodulated baseband unit and modulated transmission data from the baseband unit are converted into IF (intermediate frequency) transmission data, and the baseband receiving IF received data transmitted from the external system is received. A baseband / IF board comprising an IF unit converting the received data into the baseband unit and transmitting the received data; And a slot different from the baseband / IF board, receiving IF transmission data from the IF unit, converting the RF transmission data into RF (high frequency) transmission data, and transmitting the RF transmission data to the external system, and transmitting the RF reception data transmitted from the external system. It is characterized by consisting of an RF board that receives the input and converts it into IF received data and transmits to the IF unit.

Hereinafter, a terminal platform device for a multi-antenna system and a terminal platform verification device for verification thereof will be described in detail with reference to the accompanying drawings.

1 is a block diagram of a terminal platform device for a multi-antenna system and a terminal platform device for verification thereof according to an embodiment of the present invention. Referring to FIG. 1, a terminal platform device for a multi-antenna system includes a first baseband / IF board 300, a second baseband / IF board 300 ′, a first RF board 400, and a second RF board ( 400 '), the diplexer board 500, the antenna unit 600, the central control unit 700 and the GPS / power supply board 800 is configured. Further, the terminal platform device for a multi-antenna system may further include a terminal device 100 and a card bus interface unit 200.

Here, by further including the terminal device 100 and the card bus interface unit 200, it is possible to implement a terminal platform verification apparatus that can verify the function of the terminal platform device for a multi-antenna system.

In addition, the first baseband / IF board 300 and the first RF board 400 transmit and receive data with an external system through a first band (for example, 1.9 GHz), and the second baseband / IF board ( 300 'and the second RF board 400' transmit and receive data to and from an external system through a second band (for example, 2.7 GHz).

The first baseband / IF board 300 is a board that performs modem functions for transmitting and receiving data with a predetermined bandwidth (for example, 20 MHz per pass), and includes an FPGA controller 310, an application processor 330, The first baseband unit 340 and the first RF unit 350 is configured to include.

The FPGA controller 310 performs an interface with the card bus interface 200 and controls the overall operation of the first baseband / IF board 300.

The application processor 330 performs a function of operating various application programs executed in the first baseband / IF board 300 through internal registers.

The first baseband unit 340 includes an FPGA encoder 341, an FPGA transmit modem 345, a transmit data memory 347, an FPGA decoder 342, an FPGA receive modem 346, and a receive data memory 348. It is composed. Each of the data interface units 320, 325, 343, and 344 provides a data interface function between interconnected components.

The first IF unit 350 includes a digital up-converter 351, a D / A converter 352, a digital down-converter 356, and an A / D converter 357.

The first RF board 400 includes a first RF interface unit 410 and a first RF unit 420. Here, the first RF unit 420 includes an RF transmitter 422 and an RF receiver 424.

The second baseband / IF board 300 'is a board that performs modem functions for transmitting and receiving data with a predetermined bandwidth (for example, 20 MHz per pass), and includes an FPGA controller 310' and an application processor 330. '), The second baseband unit 340', and the second RF unit 350 '.

The FPGA controller 310 ′ performs an interface with the card bus interface 200 and controls the overall operation of the second baseband / IF board 300 ′.

The application processor 330 'performs a function of operating various application programs executed in the second baseband / IF board 300' through an internal register.

The second baseband unit 340 'includes an FPGA encoder 341', an FPGA transmit modem 345 ', a transmit data memory 347', an FPGA decoder 342 ', an FPGA receive modem 346' and a receive data memory. 348 '. Each of the data interface units 320 ', 325', 343 ', and 344' provides a data interface function between the interconnected components.

The second IF unit 350 'includes a digital up converter 351', a D / A converter 352 ', a digital down converter 356', and an A / D converter 357 '. do.

The second RF board 400 'includes a second RF interface unit 410' and a second RF unit 420 '. Here, the second RF unit 420 'includes an RF transmitter 422' and an RF receiver 424 '.

The diplexer board 500 is connected to the first RF board 400, the second RF board 400 ′ and the antenna unit 600, and the first RF board 400 and the first RF board 400 and the antenna unit 600. 2 provides a time division duplexing method for each band through the operation switching of the RF board 400 '.

The diplexer board 500 includes a first diplexer 510, a second diplexer 520, a third diplexer 530, and a fourth diplexer 540. The relationship between the diplexer board 500, the first RF board 400, the antenna unit 600, the second RF board 400 ′, and the antenna unit 600 will be described in more detail with reference to FIG. 2. do.

The antenna unit 600 may include a first diplexer 510, a second diplexer 520, a third diplexer 530, and a fourth diplexer 540 of the diplexer board 500. The first antenna 610, the second antenna 620, the third antenna 630, and the fourth antenna 640 are respectively connected. As described above, the antenna unit 600 may include four omnidirectional antennas 610, 620, 630, and 640 to accommodate the first band and the second band.

The four omnidirectional antennas 610, 620, 630, and 640 constituting the antenna unit 600 may be spaced apart from each other. In this case, the performance of the terminal platform apparatus may be verified by equalizing the intervals between the four omnidirectional antennas 610, 620, 630, and 640, and between the four omnidirectional antennas 610, 620, 630, and 640. It provides a test environment to analyze and improve the performance of the terminal platform device by varying the intervals. In addition, by configuring the four omni-directional antennas (610, 620, 630, 640) as a polarization antenna using a polarization antenna element (providing a test environment for analyzing and improving the performance of the terminal platform device) do.

The central control unit 700 includes a first transmission / reception trigger 710, a BFN unit 720, a power supply unit 730, a clock unit 740, and a second transmission / reception trigger 750.

The first transmission / reception trigger 710 triggers the FPGA controller 310 through a control signal from an external system to control the operation of the first baseband / IF board 300.

The BFN unit 720 receives the BFN signal from the GPS / power supply board 800, reproduces the Node-B Frame Count (BFN) signal, and operates the FPGA controller 310 and the FPGA controller to operate in synchronization with an external system. To 310 '.

The power supply unit 730 serves to supply power supplied from the GPS / power supply board 800 back to the first baseband / IF board 300 and the second baseband / IF board 300 '.

The clock unit 740 receives the system clock received from the first RF board 400 or the second RF board 400 'from the first baseband / IF board 300 and the second baseband / IF board. To 300 '.

The second transmit / receive trigger 750 triggers the FPGA controller 310 ′ through a control signal from an external system to control the transmit / receive operation.

The GPS / power supply board 800 provides power and time synchronization information to the terminal platform device. The power supply module of the GPS / power supply board 1100 supplies power to the first baseband / IF board 300 and the second baseband / IF board 300 '.

Furthermore, the GPS module of the GPS / power supply board 800 provides time synchronization information to the terminal platform device so that the terminal platform device can be used like a multi-antenna system without additional development for the synchronization board. Here, the BFN signal is transmitted to the first baseband / IF board 300 and the second baseband / IF board 300 'through the BFN unit 720 of the central controller 700.

In addition, the clock signal supplied from the clock unit 740 to the first RF board 400 and the second RF board 400 ′ is a 10 MHz 2 port clock signal. The first RF board 400 and the second RF board 400 ′ synchronize clocks using a 10 MHz two-port clock signal, and the clock unit 740 of the central control unit 700 communicates with the first RF board 400. A clock synchronized with the second RF board 400 ′ (eg, 122.88 MHz, sinewave) is supplied, and the clock unit 740 of the central controller 700 uses the system clock (eg, 61.44). MHz) to generate a first baseband / IF board 300 and a second baseband / IF board 300 'to be used as a system clock.

The terminal device 100 performs a signal processing function and a graphic user interface function.

Looking at the signal processing function of the terminal device 100 as follows. The terminal device 100 generates the transmission data to be sent to the external system, transmits it to the external system through the terminal platform device, and receives the received data transmitted from the external system through the terminal platform device. It is called a processing function. In addition, the terminal device 100 performs monitoring functions such as constellation, BER, beam pattern, and measurement on the received signal, and is easily used when developing a modem simulator for the terminal platform device.

The graphical user interface function of the terminal device 100 will be described as follows. The terminal device 100 performs graphic processing so that a user can easily recognize the signal processing function mentioned above. Such a function is called a graphic user interface function.

The cardbus interface unit 200 uses a 32-bit bus to support a maximum transmission rate of 264 MByte / s (66 MHz x 32 bits), which can be applied to a fourth generation wireless communication system.

Hereinafter, each operation of the terminal platform device for the multi-antenna system and the terminal platform verification device for verifying the multi-antenna system configured as described above will be described in more detail.

For convenience of description, first, an operation of transmitting transmission data to an external system through a terminal device for a multi-antenna system; and second, an operation of a terminal platform device for a multi-antenna system for receiving and processing received data transmitted from an external system. Third, the operation of the terminal platform verification apparatus for verifying the multi-antenna system will be described. In addition, in FIG. 1, the first baseband / IF board 300 and the first RF board 400 perform transmission and reception with an external system based on a first band (for example, 1.9 GHz). Let's take a look.

First, an operation of transmitting transmission data to an external system through a multi-antenna system terminal platform device will be described.

The terminal device 100 generates transmission data to be transmitted to an external system through a terminal platform device for a multi-antenna system. Here, in generating the transmission data by the terminal apparatus 100, the transmission data is transmitted through a first band (for example, 1.9 GHz) or through a second band (for example, 2.7 GHz). A control signal that sets whether to transmit or transmit both bands is transmitted together.

The terminal device 100 receives the received data transmitted through the terminal platform device from the external system through the card bus interface unit 200 and outputs the received data through the display devices.

In addition, the terminal device 100 generates verification data for verifying the terminal platform device at the time of data transmission. Here, the verification data is to be composed of the original data and the comparative data, so that the original data for the verification data is pre-stored in the internal storage of the terminal device 100, the comparison data for the verification data is The card bus interface unit 200 transmits the data. In addition, the terminal device 100 properly receives the verification data received from the card bus interface unit 200 through the terminal platform device at the time of data reception, and compares the terminal data with the original data stored therein. Will verify that you are doing

The card bus interface unit 200 transmits the transmission data and the control signal input through the terminal device 100 to the first baseband / IF (300) or the second baseband / IF board (300 '). send. Here, the card bus interface unit 200 transmits transmission data to the baseband / IF board of a predetermined band through a control signal. As mentioned above, a case of transmitting transmission data in a first band (for example, 1.9 GHz) through the first baseband / IF board 300 and the first RF board 400 will be described. do.

The FPGA controller 310 of the first baseband / IF board 300 receives the transmission data from the card bus interface 200 and transmits the transmission data to the FPGA encoder 341 via the data interface 320.

The FPGA encoder 341 receives a transmission data to be transmitted to an external system through the data interface 320 and encodes the data.

The FPGA transmission modem 345 receives the transmission data encoded by the FPGA encoder 341 via the data interface 343, modulates the transmission data, and transmits the modulated data to the digital up-conversion unit 351 of the first IF unit 350.

The digital up-conversion unit 351 converts the transmission data received from the FPGA transmission modem 345 into IF transmission data through digital filtering, digital frequency up-conversion, and I / Q combining. It transmits to the D / A converter 352 of (350).

The D / A converter 352 receives the IF transmission data from the digital up-conversion unit 351, converts the IF transmission data into analog IF transmission data, and transmits it to the first RF (Radio Frequency) board 400. Here, the D / A converter 352 may be configured with four channels to configure a channel having a maximum of four passes. The D / A converter 352 converts the IF transmission data into analog IF transmission data using the four channels.

The first RF interface unit 410 of the first RF board 400 receives analog IF transmission data from the D / A converter 352 and interfaces the received analog IF transmission data with the first RF unit 420. To the RF transmitter 422.

The RF transmitter 422 of the first RF unit 420 up-converts the received analog IF transmission data into RF transmission data and transmits the converted RF to the external system through the diplexer board 500 and the antenna unit 600.

Second, the operation of receiving the received data from the external system to the terminal platform device for the multi-antenna system will be described.

The RF receiver 424 of the first RF board 400 receives the received data from an external system via the antenna unit 600 and the diplexer board 500. Here, the received data transmitted from the external system is RF received data including data to be sent to the terminal platform device for a multi-antenna system in the RF band.

In addition, the RF receiver 424 down-converts the received data thus received into IF received data and transmits the received data to the first RF interface 410 of the first RF board 400.

The first RF interface unit 410 receives IF received data from the RF receiver 424, interfaces the received IF received data, and transmits the received IF received data to the A / D converter 357 of the first IF unit 350.

The A / D converter 357 receives IF received data from the first RF interface unit 410, converts the received IF data into digital IF received data, and transmits the received IF data to the digital down converter 356. Here, the A / D conversion unit 357 is composed of four can configure a channel of up to four passes, by using this, converts the IF received data into digital IF received data.

The digital down-conversion unit 356 first bases the received data of the baseband band generated after digital filtering, digital down-conversion and I / Q separation of the digital IF received data received from the A / D converter 357. The band unit 340 transmits to the FPGA reception modem 346.

The FPGA receiving modem 346 receives the received data from the digital down converter 356 and demodulates the received data and transmits the demodulated data to the FPGA decoder 342 via the data interface 344.

The FPGA decoder 342 decodes the demodulated received data transmitted from the FPGA reception modem 346 and transmits the demodulated received data to the FPGA controller 310 via the data interface unit 325.

The FPGA controller 310 receives the received data from the FPGA decoder 342 and transmits the received data to the card bus interface 200.

The card bus interface unit 200 transmits the received data received from the FPGA control unit 310 of the first baseband / IF board to the terminal device 100.

The terminal device 100 may receive and display the received data through the card bus interface unit 200. Through the above operation, the terminal device 100 receives the transmission data transmitted by the external system.

Third, the verification operation by the terminal platform verification apparatus for verifying the multi-antenna system will be described. Here, in the case of verifying the multi-antenna system, whether the first baseband unit 340 of the first baseband / IF board 300 corresponding to the first band is operating properly, or the first baseband / IF board ( It looks at whether the first IF unit 350 of 300 is operating properly and whether the first RF board 400 is operating properly.

The first baseband unit 340 of the first baseband / IF board 300 will now be described as follows.

The terminal device 100 generates verification data for verifying the first baseband / IF board 300. Here, the verification data is to be composed of the original data and the comparative data, so that the original data for the verification data is pre-stored in the internal storage of the terminal device 100, the comparison data for the verification data is The card bus interface unit 200 transmits the data. Here, in generating the transmission data for verification by the terminal apparatus 100, the verification transmission data is to be transmitted through the first band (for example, 1.9 GHz) or the second band (for example, 2.7 GHz) or control signals for setting whether to transmit two bands simultaneously. The terminal device 100 can verify various terminal platform devices in real time and non-real time by downloading various modem software, and can quickly cope with new communication protocols and standards of the wireless communication system.

The card bus interface unit 200 transmits verification data and control signals inputted through the terminal device 100 to the first baseband / IF board 300 or the second baseband / IF board 300 '. Here, the card bus interface unit 200 transmits verification data to the baseband / IF board of a predetermined band through a control signal. As mentioned above, a case of transmitting data for verification in a first band (for example, 1.9 GHz) through the first baseband / IF board 300 and the first RF board 400 will be described. Shall be.

The FPGA controller 310 of the first baseband / IF board 300 receives the verification data from the card bus interface 200 and transmits the verification data to the FPGA encoder 341 via the data interface 320.

The FPGA encoder 341 receives a verification data for verifying the first baseband unit 340 of the first baseband / IF board 300 through the data interface unit 320 and encodes it.

The FPGA transmission modem 345 receives the data for verification encoded by the FPGA encoder 341 via the data interface unit 343 and modulates it. The FPGA transmit modem 345 then transmits the modulated verification data to the FPGA receive modem 346.

The FPGA reception modem 346 receives the data for verification from the FPGA transmission modem 345 and demodulates the data to be transmitted to the FPGA decoder 342 through the data interface unit 344.

The FPGA decoder 342 decodes the demodulated verification data received from the FPGA reception modem 346 and transmits the demodulated verification data to the FPGA control unit 310 via the data interface unit 325.

The FPGA controller 310 receives verification data from the FPGA decoder 342 and transmits the verification data to the card bus interface 200.

The card bus interface unit 200 transmits the verification data received from the FPGA control unit 310 of the first baseband / IF board to the terminal device 100.

The terminal device 100 receives the verification data through the card bus interface unit 200 and compares the received verification data with the original data previously stored to determine whether the first baseband unit 340 is operating properly. Will be judged. That is, the first baseband unit 340 determines that the first baseband unit 340 is operating properly in the same case by comparing the verification data transmitted through the card bus interface unit 200 with the original data previously stored.

Looking at whether the first IF unit 350 of the first baseband / IF board 300 is operating properly as follows. Here, the first baseband unit 340 of the first baseband / IF board 300 described above will be referred to as operating properly, and only the parts different from the above-described parts will be described.

The FPGA transmission modem 345 receives the verification data encoded by the FPGA encoder 341 via the data interface unit 343, modulates it, and transmits the data to the digital up-converter 351 of the first IF unit 350. .

The digital up-conversion unit 351 converts the verification data received from the FPGA transmission modem 345 into IF verification data through digital filtering, digital frequency up-conversion, and I / Q combining. The data is transmitted to the D / A converter 352 of the IF unit 350.

The D / A converter 352 receives the IF verification data from the digital up-converter 351 and converts it into analog IF verification data. The D / A converter 352 transmits analog IF verification data to the A / D converter 357. Here, the D / A converter 352 may be configured with four channels to configure a channel having a maximum of four passes, and converts the IF verification data into analog IF verification data using the channel.

The A / D converter 357 receives the IF verification data from the D / A converter 352, converts the IF verification data into digital IF verification data, and transmits the data to the digital downconversion converter 356. Here, the A / D conversion unit 357 is composed of four can configure a channel of up to four passes, using this, converts the IF verification data into digital IF verification data.

The digital down-conversion unit 356 removes the baseband band verification data generated after digital filtering, digital down-conversion, and I / Q separation from the digital IF verification data received from the A / D converter 357. 1 is transmitted to the FPGA reception modem 346 of the baseband unit 340.

The FPGA receiving modem 346 receives the data for verification from the digital down-conversion unit 356 and demodulates it, and transmits the demodulated data to the FPGA decoder 342 via the data interface unit 344.

The FPGA decoder 342 decodes the demodulated verification data received from the FPGA reception modem 346 and transmits the demodulated verification data to the FPGA control unit 310 via the data interface unit 325.

The FPGA controller 310 receives verification data from the FPGA decoder 342 and transmits the verification data to the card bus interface 200.

The card bus interface unit 200 transmits the verification data received from the FPGA control unit 310 of the first baseband / IF board to the terminal device 100.

The terminal device 100 receives the verification data through the card bus interface unit 200 and compares the received verification data with the original data previously stored to determine whether the first baseband unit 340 is operating properly. Will be judged. That is, the first baseband unit 340 determines that the first baseband unit 340 is operating properly in the same case by comparing the verification data transmitted through the card bus interface unit 200 with the original data previously stored.

Looking at whether the first RF board 400 is operating properly as follows. Here, whether the first baseband unit 340 of the first baseband / IF board 300 described above is operating properly and the first IF unit 350 of the first baseband / IF board 300 is Reference is made to whether it is operating properly, and only the parts different from those described above will be described.

The D / A converter 352 receives the IF verification data from the digital up-converter 351, converts the IF verification data into analog IF verification data, and transmits the data to the first RF board 400. Here, the D / A converter 352 may be configured with four channels to configure a channel having a maximum of four passes, and converts the IF verification data into analog IF verification data using the channel.

The first RF interface unit 410 of the first RF board 400 receives analog IF verification data from the D / A converter 352 and interfaces the received analog IF verification data with the first RF unit ( 420 is transmitted to the RF transmitter 422.

The RF transmitter 422 up-converts the received analog IF verification data into RF verification data. The RF transmitter 422 transmits RF verification data to the RF receiver 424.

The RF receiver 424 of the first RF board 400 receives the RF verification data from the RF transmitter 422 and down-converts the IF verification data to the first RF interface 400 of the first RF board 400. To send).

The first RF interface unit 410 receives IF verification data from the RF receiver 424, interfaces the received IF verification data, and transmits the received IF verification data to the A / D converter 357 of the first IF unit 350. do.

The A / D converter 357 receives the IF verification data from the first RF interface unit 410, converts the IF verification data into digitized verification data, and transmits the converted verification data to the digital down converter 356. Here, the A / D conversion unit 357 may be composed of four channels, which may constitute a channel having a maximum of four passes, and converts the IF verification data into digitized IF verification data using the same.

The digital down converter 356 removes the baseband band verification data generated after digital filtering, digital down conversion, and I / Q separation from the digital IF verification data received from the A / D converter 357. 1 is transmitted to the FPGA reception modem 346 of the baseband unit 340.

The FPGA receiving modem 346 receives the data for verification from the digital down-conversion unit 356 and demodulates it, and transmits the demodulated data to the FPGA decoder 342 via the data interface unit 344.

The FPGA decoder 342 decodes the demodulated verification data received from the FPGA reception modem 346 and transmits the demodulated verification data to the FPGA control unit 310 via the data interface unit 325.

The FPGA controller 310 receives verification data from the FPGA decoder 342 and transmits the verification data to the card bus interface 200.

The card bus interface unit 200 transmits the verification data received from the FPGA control unit 310 of the first baseband / IF board to the terminal device 100.

The terminal device 100 receives the verification data through the card bus interface unit 200 and compares the received verification data with the original data previously stored to see whether the first baseband unit 340 is operating properly. It will be judged. That is, the first baseband unit 340 determines that the first baseband unit 340 is operating properly in the same case by comparing the verification data transmitted through the card bus interface unit 200 with the original data previously stored.

2 is a view showing in more detail the connection relationship between the diplexer board between the RF board and the antenna unit in the terminal platform device in FIG. Referring to FIG. 2, the diplexer board 500 may include a first diplexer 510, a second diplexer 520, a third diplexer 530, and a fourth diplexer 540. It is configured to include.

The first diplexer 510 constitutes one pass in the RF transmitter 422 and the RF receiver 424 and the second RF unit 420 'that constitute one pass in the first RF unit 420. The RF transmitter 422 'and the RF receiver 424' are connected to each other.

The first diplexer 510 is controlled by turning on / off the operations of the RF transmitter 422 and the RF receiver 424 constituting one pass in the first RF unit 420 through the RF switch 430. Done.

In addition, the first diplexer 510 operates the RF transmitter 422 'and the RF receiver 424' that constitute one pass in the second RF unit 420 'through the RF switch 430'. Control by turning on / off.

Accordingly, the first antenna 610 connected to the first diplexer 510 may be used in the first band (eg, 1.9 GHz band) and the second band (eg, 2.7 GHz band). have.

For the second diplexer 520, the third diplexer 530, and the fourth diplexer 540, which are not described above, the first diplexer 510 will be referred to.

In FIG. 2, the baseband / IF board 300 ″ is shown, which shows the first baseband / IF board 300 and the second baseband / IF board 300 ′ of FIG. 1 together. The pulse generation board 1300 supplies a clock pulse (eg, 122.88 MHz, sinewave) to generate and use a system clock (eg, 61.44 MHz) on the baseband / IF board 300 ". In addition, a reference clock (for example, a 10 MHz sine wave) is supplied to the RF boards 400 and 400 '.

FIG. 3 is a diagram illustrating a front surface of the terminal platform device for a multi-antenna system in FIG. 1. Referring to FIG. 3, the front surface of the terminal platform device for a multi-antenna system includes a GPS / power supply board 1100, a baseband / IF board 1200, a power / pulse generation board 1300, an RF board 1400, The diplexer board 1500, the insulation plate 1600, and the fan 1700 are configured to be included.

Further, the terminal platform device for a multi-antenna system may further include a terminal device 100 and a card bus interface unit 200.

Here, by further including the terminal device 100 and the card bus interface unit 200, it is possible to implement a terminal platform verification apparatus that can verify the function of the terminal platform device for a multi-antenna system.

The GPS / power supply board 1100 supplies power and time synchronization information to the terminal platform device. Here, the power supply module (power supply board) in the GPS / power supply board 1100 supplies power to the baseband / IF board 1200 and the power / pulse generation board 1300. Furthermore, the GPS module (GPS board) of the GPS / power supply board 1100 may provide time synchronization information to the terminal platform device to shorten the separate development period for the synchronization block.

The baseband / IF board 1200 is a board capable of processing transmission / reception data and verification data for each band (for example, the 1.9 GHz band and the 2.7 GHz band). The baseband / IF board 1200 is configured to independently configure the FPGA control unit that can control the board, and includes an application processor for operating the application program in the baseband / IF board 1200.

The baseband / IF board 1200 is a multi-band multicarrier terminal platform capable of high-speed, high-quality data transmission of 100Mbps or more required by 4G wireless systems through an interface with the cardbus interface unit 200. A device can be provided.

Here, the first band 4-pass data processing board 1210 and the second band (for example, the 2.7 GHz band) for the first band (for example, the 1.9 GHz band) with respect to the baseband / IF board 1200. A second band four pass data processing board 1220 is shown. As such, the first band 4-pass data processing board 1210 and the second band 4-pass data processing board 1220 are related to one embodiment of the present invention. Various changes are possible.

The power / pulse generation board 1300 is a board that generates power and clock for use in the RF board 1400. As shown in FIG. 3, the baseband / IF board 1200 and the power / pulse generation board 1300 are separated by an insulating plate 1600.

The RF board 1400 is composed of two boards that process two passes for each band, that is, the entire RF board 1400 is composed of four boards to be operated in a multicarrier multiband system. That is, the RF board 1400 includes a first band two pass data processing board 1410, a second band two pass data processing board 1420, a first band two pass data processing board 1430, and a second band two pass data. There is a processing board 1440. As such, the first band 2 pass data processing board 1410, the second band 2 pass data processing board 1420, the first band 2 pass data processing board 1430, and the second band 2 pass data processing board 1440. The configuration is related to an embodiment of the present invention, and unlike FIG. 3, various changes are possible in relation to how many paths are configured in data processing.

The diplexer board 1500 is intended to be operated in a multiband multicarrier system, and the operation is controlled by a transmission switching signal and a reception switching signal for each band of RF transmission data transmitted from the RF board 1400. . More detailed operation will be described with reference to FIG. 2.

The insulating plate 1600 spatially separates the baseband / IF board 1200 and the RF board 1400. Here, the insulating plate 1600 blocks the noise that may be generated from the baseband / IF board 1200 to enable the RF board 1400 to operate with better performance.

The fan 1700 prevents malfunction due to heat by blocking convection of hot air generated in the terminal platform device. In FIG. 3, the fan 1700 is illustrated as being installed only at the bottom of the terminal platform device, and is not shown at the top. However, the fan installed at the upper end in FIG. 3 is not shown but is also installed at the upper end. A more specific installation cross section of the fan 1700 will be described with reference to FIG. 5.

Parts not described in FIG. 3 will be described with reference to FIGS. 1 and 2.

4 is a diagram illustrating a rear surface of the terminal platform device for a multi-antenna system in FIG. 1; Referring to FIG. 4, the rear portion of the terminal platform device for a multi-antenna system includes a baseband / IF backboard 1250 for the baseband / IF board 1200 and an RF backboard 1450 for the RF board 1400. It is configured by.

The front part of the terminal platform device is sealed by a stiffener of the front panel, and the rear part of the terminal platform device is sealed by the baseband / IF back board 1250 and the RF back board 1450, thereby providing a fan 1700. Cooling effect of the terminal platform device by) can be increased.

A portion not described in FIG. 4 will be referred to FIG. 3.

5 is a self-shaped view of the terminal platform device for a multi-antenna system in FIGS. 3 and 4. Referring to FIG. 5, when looking at the self shape of the terminal platform device, it can be seen that the fan 1700 is installed in two stages. That is, the fan 1700 is installed as the lower fan 1720 and the upper fan 1740. Thus, by installing the fan 1700 in a two-stage configuration of the lower fan 1720 and the upper fan 1740, it is possible to block the convection caused by hot air generated in the terminal platform device to prevent malfunction due to heat. .

The insulation plate 1600 can be seen to spatially separate the terminal platform device into two parts. The two parts separated by the insulating plate 1600 are the baseband / IF board 1200 and the RF board 1400 of FIGS. 3 and 4.

Parts not described in FIG. 5 will be referred to FIGS. 3 and 4.

As described above, optimal embodiments have been disclosed in the drawings and the specification. Although specific terms have been used herein, they are used only for the purpose of describing the present invention and are not used to limit the scope of the present invention as defined in the meaning or claims. Therefore, those skilled in the art will understand that various modifications and equivalent other embodiments are possible from this. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

The present invention relates to a terminal platform device for a multi-antenna system and a terminal platform verification device for verifying the same.

The present invention configures the baseband / IF board and the RF board, and configures a plurality of paths through which transmission data and reception data can pass (more specifically, 4 paths or 8 paths), MIMO technology and beamforming. It is possible to provide a terminal platform device for a multi-antenna system and a terminal platform verification device for verification thereof.

In addition, by configuring a plurality of baseband / IF board and RF board, that is, having a plurality of bands to be able to operate in a multiband multicarrier environment. For example, two bands and one band having 4 passes (20 Msps per pass) are as follows. By providing 80Msps per band and using the two bands, the terminal platform device capable of processing 160Msps can be applied to the fourth generation wireless communication system requiring a data rate of 100Mbps or more.

In addition, a card supporting a maximum transfer rate (264 MByte / s (66 MHz x 32 bits) in the above example) using a bus (for example, a 32-bit bus) of a predetermined bit or more in the interface between the terminal platform device and the terminal device. By constructing the bus interface unit, there is an effect that can be applied to the fourth generation wireless communication system.

In addition, the terminal platform device for multi-antenna system can download various modem software in multi-band multi-carrier environment and verify it in real time and non-real time, and can quickly cope with new communication protocols and standards of wireless communication system. And in the verification of the implementation there is an effect that can enable a shortening of the development period.

In addition, by installing a fan in the upper and lower stages of the terminal platform device in two stages (that is, the upper and lower configurations), respectively, it effectively blocks the convection of the hot air generated in the terminal platform device by the multi-antenna system by heat There is an effect that can prevent the malfunction of the terminal platform device for verification and the terminal platform verification device for verification thereof.

In addition, by separating the baseband / IF board and the RF board spatially by using an insulating plate, to block the noise generated from the baseband / IF board to provide a better performance terminal platform device and a terminal platform verification device for verification There is an effect that can be provided.

Claims (34)

In the terminal platform device for a multi-antenna system for communicating with an external system, A baseband unit for receiving and modulating transmission data to be transmitted to the external system, and receiving and demodulating baseband reception data; An IF unit which receives the modulated transmission data from the baseband unit, converts the IF data into IF (intermediate frequency) transmission data, converts the IF reception data into the baseband reception data, and transmits the received data to the baseband unit; And Receives IF transmission data from the IF unit and converts it into RF (high frequency) transmission data and transmits it to the external system, receives RF transmission data transmitted from the external system, converts it into IF reception data, and transmits the RF to the IF unit. Made of wealth, Each of the IF unit and the RF unit includes a plurality of paths, and the transmission data and the reception data are transmitted through at least one of the plurality of paths. The method of claim 1, And a terminal device for transmitting the transmission data to be transmitted to the external system to the baseband unit, and receiving the received data decoded from the baseband unit. The method of claim 2, And an interface unit for performing an interface for the transmission data and the reception data between the terminal device and the baseband unit. The method of claim 3, wherein The interface unit terminal platform device for a multi-antenna system, characterized in that to use a bus having a bit or more set to perform the fourth generation wireless communication. The method of claim 1, And a FPGA controller for controlling operations of the baseband unit, the IF unit, and the RF unit. The method of claim 1, wherein the base band portion An FPGA encoder for encoding the transmission data; An FPGA transmit modem for modulating the encoded transmit data; An FPGA reception modem for demodulating the baseband reception data received from the IF unit; And And a FPGA decoder for decoding the demodulated baseband received data. The method of claim 1, wherein the IF unit A digital up-conversion unit which receives the modulated transmission data from the baseband unit and converts it into IF transmission data; A digital / analog converter for analogizing the IF transmission data; An analog / digital converter configured to receive and digitize IF received data from the RF unit; And And a digital down converter for converting the digitized IF received data into baseband received data and transmitting the digitized IF received data to the baseband unit. The method of claim 1, The baseband unit, IF unit and the RF unit is composed of a plurality, And the transmission data and the reception data can be transmitted through a plurality of bands. The method of claim 8, Each of the IF unit and the RF unit forming one band of the plurality of bands includes a plurality of passes, And the transmission data and the reception data are transmitted through at least one of the plurality of paths. The method of claim 9, A diplexer connected to one path of a plurality of passes of an RF unit belonging to one of the plurality of bands and to another pass of a plurality of passes of the RF unit belonging to another one of the bands; The terminal platform device for a multi-antenna system, characterized in that it further comprises a diplexer unit formed as many as a plurality of passes. The method of claim 10, And an antenna unit connected to each of the diplexers of the diplexer unit and configured to transmit and receive the external system, the RF transmission data, and the RF reception data as much as the plurality of diplexers. Terminal platform device for system. The method of claim 1, Each of the plurality of passes has a bandwidth set to perform 4G wireless communication. A terminal platform device for communicating with an external system; And Generating verification original data for verifying the terminal platform device and transmitting the verification original data to the terminal platform device, and comparing the verification comparison data received from the terminal platform device with the verification original data to verify the terminal platform device; Terminal platform verification apparatus for a multi-antenna system comprising a terminal device. The method of claim 13, And an interface unit for performing an interface between the verification source data and the verification comparison data between the terminal device and the terminal platform device. The method of claim 13, wherein the terminal platform device A baseband unit configured to receive the verification original data, perform encoding and modulation, and perform demodulation and decoding when receiving comparison base data for baseband verification; IF modulated original data for verification from the baseband unit is converted into IF (intermediate frequency) verification original data, IF IF comparison data for verification is converted to baseband received data and transmitted to the baseband unit part; And The RF unit converts the original data for IF verification from the IF unit into RF (high frequency) verification original data, receives the RF verification comparison data, converts it into IF data for comparison, and transmits the converted data to the IF unit. Understand, Each of the IF unit and the RF unit is composed of a plurality of passes, and the transmission data and the received data are transmitted through at least one of the plurality of passes terminal platform verification apparatus for a system. The method of claim 15, wherein the base band portion An FPGA encoder for encoding the verification original data; An FPGA transmit modem for modulating the encoded verification original data; An FPGA reception modem configured to receive and demodulate the baseband verification comparison copy data; And And an FPGA decoder for decoding the demodulated baseband verification comparison copy data. The method of claim 16, In case that the baseband part of the terminal platform verification apparatus is to be verified, The FPGA transmitter modem and the FPGA receiver modem are interconnected with the IF unit, and are interconnected so that the original data for verification modulated by the FPGA transmitter modem becomes the baseband verification comparison data and is transmitted to the FPGA receiver modem. Terminal platform verification apparatus for multiple antenna system, characterized in that the. The method of claim 15, wherein the IF unit A digital up-converter which receives the original data for verification from the baseband unit and converts the original data for verification into IF data; A digital / analog converter for analogizing the IF verification original data; An analog / digital converter configured to receive the digitized IF verification comparison data and digitize it; And And a digital down converter for converting the digitized IF verification comparison data into baseband verification comparison data and transmitting the same to the baseband part. The method of claim 18, If you want to verify the IF unit of the terminal platform verification device, The original data for IF verification analogized by the digital / analog converter by being connected to the digital / analog converter and the analog / digital converter separately from the RF unit, becomes the comparative data for the IF verification. Terminal platform verification apparatus for a multi-antenna system, characterized in that transmitted to the analog / digital converter. The method of claim 15, wherein the RF unit An RF transmitter which receives the IF verification original data from the IF unit and converts the original IF data into RF verification original data; And And receiving an RF verification comparison data and converting the IF verification comparison data into an RF receiver for transmitting to the IF unit. The method of claim 20, If you want to verify the RF unit of the terminal platform verification apparatus, The transmitting RF unit and the receiving RF unit are interconnected with each other, and the RF verification original data converted by the transmitting RF unit becomes the comparison data for the IF verification and is transmitted to the receiving RF unit. Verification device. The method of claim 20, wherein the RF unit And an RF interface unit for performing an interface between the IF unit and the RF unit for verifying the original data and the RF unit for comparison between the IF unit and the RF unit. The method of claim 15, The baseband unit, IF unit and the RF unit is composed of a plurality, And verifying the original data for verification and received data for verification for transmission through a plurality of bands. The method of claim 23, wherein Each of the IF unit and the RF unit forming one band of the plurality of bands includes a plurality of passes, And verifying the original data for verification and the comparative data for verification are transmitted through at least one of the plurality of paths. The method of claim 15, And each of the plurality of passes has a preset bandwidth to perform 4G wireless communication. In the terminal platform device for a multi-antenna system for communicating with an external system, Receives and modulates the transmission data to be transmitted to the external system, and receives the demodulated baseband unit and demodulated transmission data from the baseband unit and converts the transmission data into IF (intermediate frequency) transmission data. A baseband / IF board comprising an IF unit for receiving IF received data transmitted from a system and converting the received IF data into baseband received data and transmitting the received IF signal to the baseband unit; And Arranged in a slot different from the baseband / IF board, the IF unit receives IF transmission data from the IF unit, converts it into RF (high frequency) transmission data, and transmits it to the external system, and inputs RF reception data transmitted from the external system. The terminal platform device for a multi-antenna system, characterized in that consisting of an RF board for receiving and converting the received IF data to the IF unit. The method of claim 26, And an insulation plate for isolating the baseband / IF board and the RF board. The method of claim 26, And a fan installed at an upper end and a lower end of the terminal platform device to block heat generated in the terminal platform device. The method of claim 28, The terminal platform device is a terminal platform device for a multi-antenna system, characterized in that the fan, the front panel of the terminal platform device and the back board of the terminal platform device is sealed. The method of claim 26, And a GPS board disposed in a slot different from the baseband / IF board and the RF board and providing time synchronization information to the baseband / IF board and the RF board. Device. The method of claim 26, The baseband / IF board includes a first baseband / IF board processing the transmission data and the reception data through a first band and a second baseband / IF board processing the transmission data and the reception data through a second band. Made up of The RF board comprises two first band RF boards for processing the transmission data and received data through a first band and two second band RF boards for processing the transmission data and received data through a second band. Terminal device for multi-antenna system characterized in that. The method of claim 31, wherein The first baseband / IF board and the second baseband / IF board each have four passes, And the two first band RF boards and the two second band RF boards each have two paths. The method of claim 32, Each of the paths has a preset bandwidth to perform 4G wireless communication. The method of claim 26, It is arranged in a slot different from the baseband / IF board and the RF board, receives the RF transmission data from the RF board and transmits the RF transmission data to the external system through the antenna, and transmits the RF reception data transmitted from the external system to the antenna. The terminal platform device for a multiple antenna system, characterized in that it further comprises a diplexer board for receiving through the RF board.

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