System for realizing 5G multi-terminal test function

Abstract

The invention relates to a system for realizing a 5G multi-terminal test function, which comprises a main control unit, a plugboard, an SIM (Subscriber Identity Module) board and a power divider module, and is characterized in that an industrial personal computer is mounted on a bottom plate by the main control unit, the plugboard is connected with a 5G communication module and the bottom plate, the SIM board is connected with a plurality of SIM cards and is connected with the main control unit, and the power divider module is connected with the plugboard and a front panel; the main control unit realizes control and synchronization of multiple terminals, the plugboard is used for realizing data interaction between the 5G communication module and the main control unit, so that the main control unit is connected with the multiple terminals and multi-terminal control is carried out, the SIM board realizes a network injection function of the 5G communication module, and the power divider module realizes feeder connection between tested equipment and the multiple terminals. By adopting the system for realizing the 5G multi-terminal test function, automation, high efficiency and accuracy of the test are realized through high integration of hardware and software; on hardware, control and synchronization of multiple terminals are realized based on the main control unit; and parallel testing of more terminals can be realized through cascade connection of the device.

Description

Technical Field

[0001] The present invention relates to the field of 5G information full-volume collection and service testing, and in particular to the field of test instrument equipment, and specifically refers to a system for realizing 5G multi-terminal testing functions. Background Art

[0002] With the commercialization of 5G and the advancement of the "new infrastructure" policy, 5G has entered the acceleration zone of large-scale construction and application. By the end of 2022, the number of 5G base stations in my country has reached 2.312 million, and the number of 5G users has exceeded 561 million, accounting for more than 60% of the world, exceeding the total of all other countries. China has the world's largest 5G consumer market. At the same time, in terms of the introduction of 5G technology, China will not only lead the world in 5G independent networking (SA), but also make rapid progress in vertical industry applications. It is estimated that between 2020 and 2025, China's operators' capital expenditures based on mobile services will reach US$180 billion, of which about 90% will be used for 5G network construction.

[0003] 5G network test instruments are an important part of the research on 5G technology system, an indispensable tool for 5G network planning and optimization, network quality and troubleshooting analysis, network equipment testing and maintenance, and the basis for the commercial development of 5G. In the communication industry chain, communication test instruments are needed in all links, from R&D, pre-certification to certification, from production, adjustment to maintenance, from network deployment, operation to optimization; in the commercial operation of mobile communication networks, network optimization always runs through its entire life cycle. Summary of the invention

[0004] The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art and provide a system for realizing 5G multi-terminal testing functions that meets the requirements of automation, efficiency and accuracy.

[0005] In order to achieve the above object, the system for realizing 5G multi-terminal testing function of the present invention is as follows:

[0006] The system for realizing 5G multi-terminal testing function has the following main features: the system includes a main control unit, a plug-in board, a SIM board, and a power splitter module; the main control unit installs the industrial computer on the base plate; the plug-in board is connected to the 5G communication module and the base plate; the SIM board is connected with multiple SIM cards and is connected to the main control unit; the power splitter module connects the plug-in board and the front panel; the main control unit realizes the control and synchronization of multiple terminals; the plug-in board is used to realize the data interaction between the 5G communication module and the main control unit, so that the main control unit is connected to multiple terminals and performs multi-terminal control; the SIM board realizes the network injection function of the 5G communication module; and the power splitter module realizes the feeder connection between the tested device and multiple terminals.

[0007] Preferably, the bottom plate of the main control unit includes multiple data interfaces, and the multiple data interfaces include a DDI video output interface, a LAN network port, a SATA SATA interface, 2 USB interfaces, and 12 pairs of PCIE interfaces. The 2 USB interfaces are used as external USB input and output interfaces, the DDI video output interface is connected to the HDMI display output, the LAN network port is connected to the network port for remote control, the SATA SATA interface is used to install a solid-state hard drive with a SATA interface, and 8 pairs of PCIE interfaces of the 12 pairs of PCIE interfaces are connected to the plug-in board, and 4 pairs of PCIE interfaces are connected to the M.2 interface.

[0008] Preferably, the plug board includes a module connector, a USB-PCIE conversion chip, a power supply circuit and a connector. The module connector is used to install a 5G communication module. The USB-PCIE conversion chip converts the USB data of the 5G communication module into PCIE data, and converts the PCIE data of the main control unit into USB data, so that the data types of the 5G communication module and the main control unit match. The power supply circuit supplies power to the conversion chip and the 5G communication module, so that the chip and the 5G communication module can work stably. The connector installs the plug board on the base plate to realize data interaction between the base plate and the plug board.

[0009] Preferably, the plug board connects the SIM card interface of the module to the bottom plate, and the bottom plate is connected to the SIM card board with a flat cable to achieve connection between the module and the SIM card.

[0010] Preferably, the power divider module includes four one-to-eight power dividers, and a single power divider is connected to the same port of each module, and is connected to the device under test through the front panel to achieve connection between the terminal and the base station.

[0011] The system for realizing 5G multi-terminal testing function adopts the present invention, realizes automation, efficiency and accuracy of testing through high integration of hardware and software; realizes control and synchronization of multiple terminals based on the main control unit in hardware; combines terminal control, service testing, data collection, presentation, statistics, analysis, remote control and other functional modules in software; realizes various testing requirements through the combination of hardware and software; and realizes parallel testing of more terminals through cascading of this device. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a principle block diagram of the present invention for realizing the 5G multi-terminal testing function.

[0013] Figure 2 This is a principle block diagram of the present invention for realizing the 5G multi-terminal testing function.

[0014] Figure 3This is a principle block diagram of the present invention for realizing the 5G multi-terminal testing function.

[0015] Figure 4 This is a principle block diagram of the present invention for realizing the 5G multi-terminal testing function.

[0016] Figure 5 This is a principle block diagram of a SIM board for realizing a 5G multi-terminal test function according to the present invention.

[0017] Figure 6 This is a principle block diagram of the power splitter module of the present invention for realizing the 5G multi-terminal testing function. DETAILED DESCRIPTION

[0018] In order to more clearly describe the technical content of the present invention, further description is given below in conjunction with specific embodiments.

[0019] The system for realizing 5G multi-terminal testing function of the present invention includes a main control unit, a plug-in board, a SIM board, and a power splitter module. The main control unit installs an industrial computer on a base plate, the plug-in board is connected to the 5G communication module and the base plate, a plurality of SIM cards are connected to the SIM board, and is connected to the main control unit, and the power splitter module connects the plug-in board and the front panel; the main control unit realizes the control and synchronization of multiple terminals, the plug-in board is used to realize data interaction between the 5G communication module and the main control unit, so that the main control unit is connected to multiple terminals and performs multi-terminal control, the SIM board realizes the network injection function of the 5G communication module, and the power splitter module realizes the feeder connection between the tested device and multiple terminals.

[0020] As a preferred embodiment of the present invention, the bottom plate of the main control unit includes multiple data interfaces, and the multiple data interfaces include a DDI video output interface, a LAN network port, a SATA SATA interface, 2 USB interfaces, and 12 pairs of PCIE interfaces. The 2 USB interfaces are used as external USB input and output interfaces, the DDI video output interface is connected to the HDMI display output, the LAN network port is connected to the network port for remote control, the SATA SATA interface is installed with a solid-state hard drive with a SATA interface, and 8 pairs of PCIE interfaces of the 12 pairs of PCIE interfaces are connected to the plug-in board, and 4 pairs of PCIE interfaces are connected to the M.2 interface.

[0021] As a preferred embodiment of the present invention, the plug board includes a module connector, a USB-PCIE conversion chip, a power supply circuit and a connector. The module connector is used to install a 5G communication module. The USB-PCIE conversion chip converts the USB data of the 5G communication module into PCIE data, and converts the PCIE data of the main control unit into USB data, so that the data types of the 5G communication module and the main control unit match. The power supply circuit supplies power to the conversion chip and the 5G communication module, so that the chip and the 5G communication module can work stably. The connector installs the plug board on the base plate to realize data interaction between the base plate and the plug board.

[0022] As a preferred embodiment of the present invention, the plug board connects the SIM card interface of the module to the base plate, and the base plate is connected to the SIM card board with a flat cable to achieve connection between the module and the SIM card.

[0023] As a preferred embodiment of the present invention, the power divider module includes four one-to-eight power dividers, and a single power divider is connected to the same port of each module, and is connected to the device under test through the front panel to realize the connection of the terminal to the base station.

[0024] In a specific embodiment of the present invention, it relates to a 5G multi-terminal test device suitable for laboratory research and development testing, including developing a baseboard based on an industrial computer motherboard to realize control interaction and data interaction between a main control unit and a terminal. The connection between multiple terminals and the motherboard is realized by using a board card, wherein the USB signal of the 5G communication module is converted into a PCIE signal through a chip, and the 5G module executes the task issued by the main control unit to realize data collection and service testing; the network injection function of the 5G communication module is realized by a board card (SIM board), and the SIM card is externally connected to realize hot plugging of the module SIM card; the feeder connection between the tested device (5G base station or channel simulator) and multiple terminals is realized by a power divider module, wherein the insertion loss consistency of each branch of the power divider plus the cable meets 1dB.

[0025] like Figure 1 As shown, a 5G multi-terminal testing device, wherein an industrial computer is installed on the bottom plate to form a main control unit to realize data interaction with the industrial computer PCIE, USB, DDI, LAN, SATA, etc., and the bottom plate is connected to various functional interfaces and realizes power distribution; the plug-in board connects the 5G communication module to the bottom plate to realize data interaction between the 5G communication module and the industrial computer; the main control unit realizes control and synchronization of multiple terminals; the SIM board connects the SIM card to enable the module to be easily plugged in to the network; the power divider connects the module to the front panel.

[0026] like Figure 2As shown, the 5G multi-terminal test device has an industrial computer installed on the bottom plate to form a main control unit, and the USB, DDI, LAN, SATA, PCIE and other data interfaces of the industrial computer are connected to the bottom plate, wherein two pairs of USB are connected to two USB interfaces, DDI is connected to the video output interface, LAN is connected to the network port, SATA is connected to the SATA interface, and PCIE is connected to 12 pairs of PCIE interfaces.

[0027] like Figure 3 As shown, the two USB interfaces of the baseboard are used as external USB input and output interfaces; the video output interface is an HDMI interface, which can be connected to the HDMI display output; the network port is used for network port connection to realize the networking function and can be used for remote control; the SATA interface is an M.2 interface, which is used to install the solid-state hard disk of the SATA interface; there are 12 pairs of PCIE interfaces, 8 of which are connected to the plug board to realize high-speed communication from the industrial computer to the 5G communication module, and 4 are connected to the M.2 interface for connecting the solid-state hard disk of the PCIE interface. The power supply is distributed on the baseboard to meet the power supply and power-on and power-off control of the industrial computer, and to power the plug board.

[0028] The 5G multi-terminal test device, the plug-in board connects the module and the baseboard, the 5G communication module supports the USB_3.1 protocol, meets the 10Gbit / s rate of Gen2, realizes ultra-high-speed data transmission, and meets the requirements of the 5G mobile network for high-speed transmission. The plug-in board realizes data interaction between the 5G communication module and the main control unit, connects the main control unit to multiple terminals, and performs multi-terminal control.

[0029] like Figure 4 As shown, the plug board is composed of a module connector, a USB-PCIE conversion chip, a power supply circuit and a connector, wherein: the module connector is used to install the 5G communication module; the USB-PCIE conversion chip converts the USB data of the 5G communication module into PCIE data, and converts the PCIE data of the main control unit into USB data, so that the data type of the 5G communication module matches that of the main control unit; the power supply circuit supplies power to the conversion chip and the module, so that the chip and the module work stably; the connector installs the plug board on the base plate to realize data interaction between the base plate and the plug board.

[0030] In the 5G multi-terminal test device, the main control unit realizes the control and synchronization of multiple terminals. Through the connection between the baseboard and the plug-in board, high-speed communication between the PCIE interface and the 5G communication module is realized, and control interaction and data interaction between the main control unit and the terminal are realized. The main control unit is responsible for equipment management, test task editing and issuance, test control and data return functions. By issuing corresponding instructions, the control of the terminal is completed, and the terminal executes the task issued by the main control unit to realize business testing and data collection.

[0031] like Figure 5As shown, in the 5G multi-terminal test device, the SIM board is connected to the SIM card, so that the module can be easily plugged into the network, wherein: the plug-in board connects the SIM card interface of the module to the base plate, and the base plate is connected to the SIM card board with a flat cable to realize the connection between the module and the SIM card; the SIM card slot of the SIM card board selects a NANO-type card slot, which is more convenient for plugging and unplugging the SIM card.

[0032] like Figure 6 As shown, the 5G multi-terminal test device described above has a power splitter connecting the module and the front panel. The power splitter selects a one-to-eight power splitter, with a total of four power splitters. Among them: the IPEX4 port of the IPEX4 to SMA cable is connected to the module RF port, the SMA port is connected to the power splitter branch port, and a single power splitter is connected to the same port of each module, such as: the first power splitter is connected to the 1 port of the eight modules respectively; the SMA to SMA cable is used to connect the main port of the power splitter to the front panel.

[0033] The power divider module has good consistency in the power divider branches. The signal power interpolation of each branch of the same power divider plus the IPEX4 to SMA cable is less than 1dB, that is, when the main signal is fixed, the signal power interpolation read by the same port of the eight modules is less than 1dB; the front panel is connected to the device under test (base station or channel simulator), that is, the module is connected to the device under test, thereby realizing the connection of the terminal to the base station.

[0034] The test method of the 5G multi-terminal test device is described. The hardware and software of the device are highly integrated. The hardware is divided into a baseboard module, a plug-in board module, a SIM board module, and a power divider module to realize the control interaction and data interaction between the main control unit and the terminal, and realize the feeder connection between the 5G communication module and the external system (channel simulator or base station). The software includes a protocol stack and a test control interface, provides a rich human-machine interface, and a variety of test functions. While realizing the functions of the ordinary protocol stack, it can provide professional road test services. In terms of hardware, the main control unit controls the 5G terminal to perform functions such as device status management, test task issuance, test status monitoring, abnormal alarm, data backhaul and merging; the software combines terminal control, service testing, data collection, presentation, statistics, analysis, remote control and other functional modules. A variety of test requirements are realized, thereby realizing the test of the 5G wireless network and realizing the statistical analysis of various indicators of the 5G network quality. Through the high integration of hardware and software, the automation, efficiency and accuracy of the test are realized. At the same time, the cascade of this device and the external server can realize the unified management and testing of 8*N terminals to meet the requirements of complex test scenarios such as MU-MIMO and large capacity.

[0035] It can be seen from the above technical solution that this device realizes control interaction and data interaction between the main control unit and the terminal through the base plate part, the plug-in board part, the SIM board part, and the power divider part, realizes hot plugging of the module network, and realizes the feeder connection between the 5G communication module and the external system (channel simulator or base station); it has the characteristics of high integration of hardware and software. Through self-developed software, it can realize module control, service testing, data collection, presentation, statistics, analysis, remote control and other functions, and can perform data services such as FTP, iPerf packet filling, HTTP, and realize various 5G wireless network tests.

[0036] At the same time, the present invention also discloses a testing method for a 5G multi-terminal testing device, which realizes the automation, efficiency and accuracy of the test through the high integration of hardware and software; realizes the control and synchronization of multiple terminals based on the main control unit in hardware; combines terminal control, service testing, data collection, presentation, statistics, analysis, remote control and other functional modules in software; realizes various testing requirements through the combination of hardware and software; and realizes parallel testing of more terminals through the cascading of this device.

[0037] In summary, this device realizes multi-terminal control of the main control unit through the combination of the baseboard, plug-in board, SIM board, and power divider, and realizes the connection between the module and the base station through the feeder connection; through the combination of hardware and software, the main control unit can control the terminal to collect and process the base station signal, and realize various index measurements and business tests. The high integration of hardware and software makes this device have the characteristics of performance stability and functional diversity, and with the continued development of self-developed software, it truly realizes multiple uses of one machine.

[0038] The specific implementation scheme of this embodiment can refer to the relevant description in the above embodiment, which will not be repeated here.

[0039] It can be understood that the same or similar parts of the above embodiments can be referenced to each other, and the contents not described in detail in some embodiments can refer to the same or similar contents in other embodiments.

[0040] It should be noted that, in the description of the present invention, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, in the description of the present invention, unless otherwise specified, the meaning of "plurality" refers to at least two.

[0041] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0042] The system for realizing 5G multi-terminal testing function adopts the present invention, realizes automation, efficiency and accuracy of testing through high integration of hardware and software; realizes control and synchronization of multiple terminals based on the main control unit in hardware; combines terminal control, service testing, data collection, presentation, statistics, analysis, remote control and other functional modules in software; realizes various testing requirements through the combination of hardware and software; and realizes parallel testing of more terminals through cascading of this device.

[0043] In this specification, the present invention has been described with reference to specific embodiments thereof. However, it is apparent that various modifications and variations may be made without departing from the spirit and scope of the present invention. Therefore, the specification and drawings should be regarded as illustrative rather than restrictive.

Claims

1. A system for implementing 5G multi-terminal testing function, characterized in that: The system includes a main control unit, a plug-in board, a SIM board, and a power divider module. The main control unit installs the industrial computer on the base plate. The plug-in board is connected to the 5G communication module and the base plate. Multiple SIM cards are connected to the SIM board and connected to the main control unit. The power divider module connects the plug-in board and the front panel. The main control unit realizes the control and synchronization of multiple terminals. The plug-in board is used to realize data interaction between the 5G communication module and the main control unit, so that the main control unit is connected to multiple terminals and performs multi-terminal control. The SIM board realizes the network injection function of the 5G communication module, and the power divider module realizes the feeder connection between the tested device and multiple terminals.

2. The system for realizing 5G multi-terminal testing function according to claim 1, characterized in that: The bottom plate of the main control unit includes multiple data interfaces, and the multiple data interfaces include a DDI video output interface, a LAN network port, a SATA SATA interface, 2 USB interfaces, and 12 pairs of PCIE interfaces. The 2 USB interfaces are used as external USB input and output interfaces, the DDI video output interface is connected to the HDMI display output, the LAN network port is connected to the network port for remote control, the SATA SATA interface is used to install a solid-state hard disk with a SATA interface, and 8 pairs of PCIE interfaces of the 12 pairs of PCIE interfaces are connected to the plugboard, and 4 pairs of PCIE interfaces are connected to the M.2 interface.

3. The system for realizing 5G multi-terminal testing function according to claim 1, characterized in that: The plug board includes a module connector, a USB-PCIE conversion chip, a power supply circuit and a connector. The module connector is used to install a 5G communication module. The USB-PCIE conversion chip converts the USB data of the 5G communication module into PCIE data, and converts the PCIE data of the main control unit into USB data, so that the data types of the 5G communication module and the main control unit match. The power supply circuit supplies power to the conversion chip and the 5G communication module, so that the chip and the 5G communication module can work stably. The connector installs the plug board on the base plate to realize data interaction between the base plate and the plug board.

4. The system for realizing 5G multi-terminal testing function according to claim 1, characterized in that: The plug board connects the SIM card interface of the module to the bottom plate, and the bottom plate is connected to the SIM card board with a flat cable to achieve connection between the module and the SIM card.

5. The system for realizing 5G multi-terminal testing function according to claim 1, characterized in that: The power divider module includes four one-to-eight power dividers, and a single power divider is connected to the same port of each module, and is connected to the tested device through the front panel to realize the connection of the terminal to the base station.

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