Mobile communication experiment device

Abstract

The utility model discloses a mobile communication experiment device, and relates to the technical field of communication, the device comprises a 5G experiment terminal, a 5G communication base station, Open5GS equipment and man-machine interaction equipment, the 5G communication base station is in communication connection with the 5G experiment terminal, the 5G communication base station is electrically connected with the Open5GS equipment, the Open5GS equipment is electrically connected with the man-machine interaction equipment, and the man-machine interaction equipment is electrically connected with the 5G communication base station. According to the invention, the cost of the 5G and 5G-A mobile communication experiment device is reduced.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of communication, in particular to a mobile communication experiment device. BACKGROUND

[0002] With the full commercialization of 5G and 5G-A (5G Advanced or 5.5G, that is, an enhanced version of 5G technology), the application scenarios supported by 5G and 5G-A are expanding from mobile Internet to mobile Internet of Things, and 5G and 5G-A engineering projects are being carried out in various places, resulting in an increasing demand for talents in the research and development, testing, installation and maintenance of 5G and 5G-A engineering projects. In order to cultivate talents for 5G and 5G-A engineering projects, higher education institutions need a 5G and 5G-A mobile communication experiment device for carrying out 5G and 5G-A course experiments, design, training and scientific research to meet the scientific research and teaching needs of communication majors.

[0003] At present, the 5G and 5G-A mobile communication experiment device used by higher education institutions is expensive, and a low-cost 5G and 5G-A mobile communication experiment device needs to be developed. SUMMARY

[0004] The purpose of the application is to provide a mobile communication experiment device to reduce the cost of 5G and 5G-A mobile communication experiment device.

[0005] To achieve the above purpose, the application provides the following solutions:

[0006] In a first aspect, the application provides a mobile communication experiment device, comprising a 5G experiment terminal, a 5G communication base station, an Open5GS device and a human-computer interaction device, wherein:

[0007] The 5G communication base station is in communication connection with the 5G experiment terminal, the 5G communication base station is in electrical connection with the Open5GS device, and the Open5GS device is in electrical connection with the human-computer interaction device.

[0008] Optionally, the 5G communication base station comprises a 5G baseband processing unit and a radio frequency unit, wherein:

[0009] The 5G baseband processing unit is connected with the radio frequency unit through an eCPRI interface or a CPRI interface, the 5G baseband processing unit is connected with the Open5GS device through an NG interface, and the radio frequency unit is in wireless communication connection with the 5G experiment terminal.

[0010] Optionally, the 5G baseband processing unit comprises a 5G master control unit and an expansion unit, wherein:

[0011] The 5G master unit is connected with the Open5GS device through an NG interface, the 5G master unit is connected with the extension unit through an eCPRI interface or a CPRI interface, and the extension unit is connected with the radio frequency unit through an eCPRI interface or a CPRI interface.

[0012] Optionally, the radio frequency unit adopts an active antenna unit, and the radio frequency unit is connected with the 5G baseband processing unit through an eCPRI interface.

[0013] Optionally, the radio frequency unit comprises a remote radio frequency unit and an antenna, wherein:

[0014] The remote radio frequency unit is connected with the 5G baseband processing unit or the extension unit through an eCPRI interface or a CPRI interface, the remote radio frequency unit is connected with the antenna through a feeder, and the antenna is connected with the 5G experimental terminal in wireless communication.

[0015] Optionally, the 5G baseband processing unit adopts a BBU5900 baseband processing unit, and the radio frequency unit adopts an AAU5619 radio frequency module.

[0016] Optionally, the 5G experimental terminal comprises a 5G communication module, a processor, a display screen and a shell, wherein:

[0017] The processor is connected with the 5G communication module and the display screen through data interfaces respectively, the 5G communication module is connected with the 5G communication base station in wireless communication, and the 5G communication module, the processor and the display screen are fixed on the shell.

[0018] Optionally, the Open5GS device is connected with an application server.

[0019] Optionally, the Open5GS device comprises a man-machine interaction interface module, a process management module, a service function module and an optical port driving module, wherein:

[0020] The man-machine interaction interface module is connected with the man-machine interaction device through a data interface, and the man-machine interaction interface module and the process management module are connected with each service function module through data interfaces respectively;

[0021] The service function module comprises an AMF module, a UPF module and an SMF module, wherein:

[0022] The AMF module and the SMF module are connected through a local IP data channel, the SMF module is connected with the UPF module, and the AMF module and the UPF module are connected with the 5G communication base station through the optical port driving module.

[0023] Optionally, the service function module further comprises a PCF module, a UDM module, an NSSF module, an AUSF module and an NRF module, wherein:

[0024] The PCF module, the UDM module, the NSSF module, the AUSF module and the NRF module are connected with the local IP data channel.

[0025] According to the specific embodiments provided in the application, the following technical effects are disclosed:

[0026] The application provides a mobile communication experiment device, which comprises a 5G experiment terminal, a 5G communication base station, an Open5GS device and a man-machine interaction device, the 5G communication base station is in communication connection with the 5G experiment terminal, the 5G communication base station is in electrical connection with the Open5GS device, and the Open5GS device is in electrical connection with the man-machine interaction device. Since the cost of the Open5GS device is much lower than that of a commercial core network device, the mobile communication experiment device adopting the Open5GS device can effectively reduce the cost of the 5G and 5G-A mobile communication experiment device, and solve the problem of high cost of the existing 5G and 5G-A mobile communication experiment device. In addition, the Open5GS device is an open source core network device, which has good openness compared with a commercial core network device with closed interfaces, and provides a good scientific research and innovation platform for communication research institutes. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the application or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor.

[0028] Figure 1 The structure block diagram of a mobile communication experiment device in an embodiment of the application is shown in FIG. 1.

[0029] Figure 2 The first structure block diagram of the 5G communication base station in the embodiment is shown in FIG. 2. Figure 1

[0030] Figure 3 The second structure block diagram of the 5G communication base station in the embodiment is shown in FIG. 3. Figure 1

[0031] Figure 4 The structure block diagram of the 5G experiment terminal in the embodiment is shown in FIG. 4. Figure 1

[0032] Figure 5 The functional module schematic diagram of the Open5GS device in the embodiment is shown in FIG. 5. Figure 1 ​​​​

[0033] In the figure, 1.5G experimental terminal, 2.5G communication base station, 3.Open5GS device, 4. Human-computer interaction device, 5. 5G baseband processing unit, 5-1. 5G master unit, 5-2. Extension unit, 6. Radio frequency unit, 7. 5G communication module, 8. Processor, 9. Display screen, 10. Machine shell, 11. Human-computer interaction interface module, 12. Process management module, 13. AMF module, 14. UPF module, 15. SMF module, 16. Optical port driving module, 17. PCF module, 18. UDM module, 19. NSSF module, 20. AUSF module, 21. NRF module. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0035] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0036] In an exemplary embodiment, as shown in Figure 1 A mobile communication experiment device is provided, which includes a 5G experimental terminal 1, a 5G communication base station 2, an Open5GS device 3 and a human-computer interaction device 4. Among them:

[0037] The 5G communication base station 2 is in communication connection with the 5G experimental terminal 1, the 5G communication base station 2 is in electrical connection with the Open5GS device 3, and the Open5GS device 3 is in electrical connection with the human-computer interaction device 4.

[0038] In the embodiments of the present application, the 5G experimental terminal 1 is a terminal device for testing and verifying the performance, function and quality of service of the 5G network, such as a test mobile phone or a commercial terminal.

[0039] When performing a communication experiment, the Open5GS device 3, the 5G communication base station 2 and the 5G experimental terminal 1 are started in sequence, and a series of experimental operation instructions (such as registration, PDU session (Protocol Data Unit Session) establishment, data transmission, etc.) are executed through the 5G experimental terminal 1. During the experiment, the air interface signaling can be captured in real time using the signaling analysis tool on the 5G experimental terminal 1 or the human-computer interaction device 4, and the relevant data can be saved for subsequent experimental analysis.

[0040] The Open5GS device 3 is a server for building an Open5GS core network. Compared with a commercially available core network device, the price of the Open5GS device 3 is greatly reduced. The mobile communication experimental device adopting the Open5GS device in the application effectively reduces the cost of the 5G and 5G-A mobile communication experimental device, and solves the problem of high cost of the existing 5G and 5G-A mobile communication experimental device. In addition, the Open5GS device 3 is an open source core network device, which has good openness compared with a commercially available core network device with a closed interface, and provides a good scientific research and innovation platform for communication research institutes.

[0041] In another exemplary embodiment of the application, as shown in Figure 2 The 5G communication base station 2 includes a 5G baseband processing unit 5 and a radio frequency unit 6. Wherein:

[0042] The 5G baseband processing unit 5 is connected with the radio frequency unit 6 through an eCPRI interface or a CPRI interface, the 5G baseband processing unit 5 is connected with the Open5GS device 3 through an NG interface, and the radio frequency unit 6 is wirelessly connected with the 5G experimental terminal 1.

[0043] In the embodiment of the application, during the experiment, the 5G baseband processing unit 5 and the radio frequency unit 6 complete the interaction of air interface signals with the 5G experimental terminal 1, and the experimental project of air interface signaling analysis can be realized. The 5G baseband processing unit 5 and the Open5GS device 3 complete the interaction of NG interface signals, and the experimental project of NG interface analysis can be realized.

[0044] In another exemplary embodiment of the application, the 5G baseband processing unit 5 adopts a BBU5900 baseband processing unit, which is connected with the radio frequency unit 6 through an eCPRI interface or a CPRI interface.

[0045] In the embodiment of the application, the BBU5900 baseband processing unit is composed of a main control transmission board, a baseband processing board, a fan and a power supply module, and centrally manages the entire 5G communication base station 2. During the experiment, the BBU5900 baseband processing unit and the Open5GS device 3 complete the interaction of NG interface signals, and the experimental project of NG interface analysis can be realized.

[0046] In another exemplary embodiment of the application, as shown in Figure 3 The 5G baseband processing unit 5 includes a 5G main control unit 5-1 and an expansion unit 5-2. Wherein:

[0047] The 5G master unit 5-1 is connected with the Open5GS device 3 through an NG interface, and is connected with the extension unit 5-2 through an eCPRI interface or a CPRI interface, and the extension unit 5-2 is connected with the radio frequency unit 6 through an eCPRI interface or a CPRI interface.

[0048] In the embodiment of the application, the extension unit 5-2 supports converging uplink IQ data of each radio frequency unit 6 connected thereto, and also supports converging IQ data of a next-level extension unit connected in cascade; and supports broadcasting downlink signals to each radio frequency unit 6 connected thereto and to the next-level extension unit connected in cascade. In the experiment process, the 5G master unit 5-1 and the extension unit 5-2 and the radio frequency unit 6 thereof complete air interface signal interaction with the 5G experimental terminal 1, and can implement an experimental project of air interface signaling analysis, and the 5G master unit 5-1 and the Open5GS device 3 complete NG interface signal interaction, and can implement an experimental project of NG interface analysis.

[0049] In another exemplary embodiment of the application, the 5G master unit 5-1 described above comprises a centralized unit CU and a distributed unit DU, and the centralized unit CU is connected with the distributed unit DU through an F1 interface.

[0050] In another exemplary embodiment of the application, the radio frequency unit 6 described above adopts an active antenna unit, and the radio frequency unit 6 is connected with the 5G baseband processing unit 5 through an eCPRI interface.

[0051] In another exemplary embodiment of the application, the radio frequency unit 6 described above adopts an AAU5619 radio frequency module, and the AAU5619 radio frequency module is connected with the 5G baseband processing unit 5 through an eCPRI interface.

[0052] In the embodiment of the application, the AAU5619 radio frequency module supports 64 RX (receiving channels) and 64 TX (transmitting channels), a frequency range of 2515-2675 MHz, and a maximum system bandwidth of 160 MHz, and can meet the experimental requirements of typical 5G services of large bandwidth and low time delay. In the experiment process, the 5G baseband processing unit 5 and the AAU5619 radio frequency module can complete air interface signal interaction with the 5G experimental terminal 1, and can implement an experimental project of air interface signaling analysis.

[0053] In another exemplary embodiment of the application, the radio frequency unit 6 described above comprises a remote radio frequency unit and an antenna, wherein:

[0054] The remote radio frequency unit is connected with the 5G baseband processing unit 5 or the extension unit 5-2 through a CPRI interface, the remote radio frequency unit is connected with the antenna through a feeder, and the antenna is connected with the 5G experimental terminal 1 in a wireless communication mode.

[0055] In the embodiments of the present application, during the experiment, the 5G baseband processing unit 5 (5G master unit 5-1 and expansion unit 5-2) and its remote radio frequency unit and antenna complete the interaction of air interface signals with the 5G experimental terminal 1, and the experimental projects of air interface signaling analysis can be realized.

[0056] In another exemplary embodiment of the present application, the 5G master unit 5-1 described above supports two 100MHz 4T4R (4 transmit antennas and 4 receive antennas) cells, each supporting 400 active users and 1200 RRC connected users; the single-cell downlink peak rate is 1700Mbps, and the single-cell uplink peak rate is 250Mbps.

[0057] In another exemplary embodiment of the present application, the remote radio frequency unit described above supports the frequency band of 5G NR N41: 2515-2675MHz, supports the channel bandwidth of NR 100MHz / 80MHz / 60MHz, and supports the maximum transmit power of NR: 4x250mW (built-in antenna type). That is, the remote radio frequency unit can communicate on the working frequency between 2515MHz-2675MHz in the 5G New Radio (NR, New Radio) mode, supports multiple different channel bandwidth configurations, specifically including 100MHz, 80MHz and 60MHz, integrates four transmit channels, and the maximum transmit power of each transmit channel is 250mW, which can meet the experimental requirements of opening, maintenance and practical training of 5G extended base stations.

[0058] In another exemplary embodiment of the present application, as shown in Figure 4 The 5G experimental terminal 1 described above includes a 5G communication module 7, a processor 8, a display screen 9 and a housing 10, wherein:

[0059] The processor 8 is connected with the 5G communication module 7 and the display screen 9 through data interfaces respectively, the 5G communication module 7 is in wireless communication connection with the 5G communication base station 2, and the 5G communication module 7, the processor 8 and the display screen 9 are all fixed on the housing 10.

[0060] In the embodiments of the present application, the data interface used for connecting the processor 8, the 5G communication module 7 and the display screen 9 is not specifically limited, and can be selected according to actual needs, for example, the processor 8 is connected with the 5G communication module 7 through a USB interface. For example, the processor 8 is connected with the display screen 9 through a DP interface. When performing experiments, the 5G experimental terminal 1 initiates an experimental operation instruction through the display screen 9, the experimental operation instruction is transmitted to the processor 8 through the DP interface, the processor 8 triggers the 5G communication module 7 to initiate a signaling or service connection process through an AT instruction of the USB interface, at the same time, the processor 8 can observe the communication state and air interface signaling between the 5G communication module 7 and the 5G communication base station 2 in real time through the USB interface, and analyze the implementation process of the experimental operation instruction. The manner in which the 5G communication module 7, the processor 8 and the display screen 9 are fixed on the shell 10 is not specifically limited, the 5G communication module 7, the processor 8 and the display screen 9 can be directly fixed on the shell 10, or can be indirectly fixed on the shell 10 through a support medium such as a bottom plate, which can be selected according to actual needs.

[0061] In another exemplary embodiment of the present application, the processor 8 adopts an embedded processor. For example, the processor 8 adopts an ARM multi-core processor, supports running at least one of an Android operating system and a Harmony operating system, and meets the requirements of Android or Harmony development of 5G application innovation experiment projects.

[0062] In another exemplary embodiment of the present application, the 5G communication module 7 adopts a 3GPP Release 18 standard, and supports multiple network standards such as 5G and 5G-A.

[0063] In another exemplary embodiment of the present application, the display screen 9 adopts a high-definition IPS display screen, supports multi-point touch control, and is a pure flat design.

[0064] In another exemplary embodiment of the present application, the Open5GS device 3 is connected with an application server to test or verify the related functions of a 5G application APP (Mobile Application, mobile application program).

[0065] In another exemplary embodiment of the present application, as shown in Figure 5 The above Open5GS device 3 includes a man-machine interaction interface module 11, a process management module 12, a service function module and an optical drive module 16, wherein:

[0066] The man-machine interaction interface module 11 is connected with the man-machine interaction device 4 through a data interface, and the man-machine interaction interface module 11 and the process management module 12 are respectively connected with each service function module through a data interface.

[0067] In the embodiments of the present application, the service function modules of the Open5GS device 3 are used to implement the functions of the Open5GS core network. The data interface used for connecting the man-machine interactive interface module 11 and the man-machine interactive device 4 is not specifically limited and can be selected as required. For example, the man-machine interactive interface module 11 is connected with the man-machine interactive device 4 through a network port, a VGA interface, an HDMI interface or a USB interface. The optical port driving module 16 of the Open5GS device 3 is connected with the optical port driving module of the communication base station 2 through an optical fiber. The man-machine interactive device 4 performs parameter configuration and state reading on each service function module of the Open5GS device 3 through the man-machine interactive interface module 11, and the purpose of parameter configuration is to make each service function module meet the experimental requirements of the Open5GS core network configuration. The process management module 12 is used to schedule and manage each service function module of the Open5GS device 3, such as starting or closing a certain service function module. The man-machine interactive device 4 starts or closes each service function module of the Open5GS device 3 through the process management module 12, so as to meet the experimental requirements of the Open5GS core network opening and maintenance.

[0068] The service function modules include an AMF module 13, a UPF module 14 and an SMF module 15. The AMF module 13 and the SMF module 15 are connected through a local IP data channel. The SMF module 15 is connected with the UPF module 14. The AMF module 13 and the UPF module 14 are connected with the 5G communication base station 2 through the optical port driving module 16.

[0069] In the embodiments of the present application, the AMF module 13 is used to implement the user access and mobility management function. The UPF module 14 is used to implement the user plane function. The SMF module 15 is used to implement the session management function. The functions of the AMF module 13, the UPF module 14 and the SMF module 15 belong to the field known and will not be described here.

[0070] During the experiment, if the experimental operation instruction is initiated through the man-machine interactive device 4, the man-machine interactive device 4 initiates the experimental operation instruction through the man-machine interactive interface module 11. The experimental operation instruction is transmitted to the AMF module 13. The AMF module 13 initiates the signaling connection process to complete the signaling or service connection process of the 5G experimental terminal 1, the 5G communication base station 2 and the Open5GS device 3. During the experiment, the man-machine interactive device 4 observes the communication state and the signaling process between the AMF module 13 and the communication base station 2 through the man-machine interactive interface module 11, analyzes whether the implementation process meets the requirements of the NG interface signaling analysis experiment, and observes the data flow and the state between the UPF module 14 and the 5G communication base station 2, analyzes whether the implementation process meets the requirements of the 5G service analysis experiment.

[0071] In another exemplary embodiment of the present application, as shown in FIG. 2, the man-machine interactive device 4 is connected with the Open5GS device 3 through the man-machine interactive interface module 11. The man-machine interactive device 4 is connected with the 5G communication base station 2 through the optical port driving module 16. The man-machine interactive device 4 is connected with the 5G experimental terminal 1 through the network port of the man-machine interactive interface module 11. Figure 5As shown, the service function modules described above further include a PCF module 17, a UDM module 18, an NSSF module 19, an AUSF module 20, and an NRF module 21, wherein:

[0072] The PCF module 17, the UDM module 18, the NSSF module 19, the AUSF module 20, and the NRF module 21 are all connected to the local IP data channel.

[0073] In the embodiments of the present application, the local IP data channel of the Open5GS device 3 serves as a data interaction channel for the service function modules of the Open5GS device 3. The PCF module 17 is configured to implement a policy control function, the UDM module 18 is configured to implement a unified data management function, the NSSF module 19 is configured to implement a network slice selection function, and the AUSF module 20 is configured to implement an authentication service function. These are all known in the art and will not be described here. The NRF module 21 is configured to implement a network element management function, including: supporting a network function (NF) network element management function, maintaining NF configuration files of available NF network elements and services supported thereby by providing registration, update, and deregistration service operations, allowing other NF network elements to subscribe to and unsubscribe from the status of NF network elements, including a notification function for newly registered NF network elements and a status change function for registered NF network elements, and supporting a service discovery function, providing information about available NF network elements that meet conditions according to NF discovery parameters provided by a requesting NF network element. These are all known in the art and will not be described here, wherein the NF network element refers to each module of the Open5GS device 3.

[0074] The Open5GS device 3 is an open general-purpose computer platform, wherein the source code of each service function module can be directly downloaded from a project website, and scientific research institutions can select different general-purpose computer platforms according to their own experimental needs, so that the cost is controllable and the price is low. The present application re-designs a mobile communication experimental device based on Open5GS in view of the fact that the interface of the current 5G mobile communication experimental device is closed and cannot provide source code to carry out open experiments, thereby significantly reducing the experimental cost. Moreover, the Open5GS device 3 provides core network source code and a technical exchange community, has openness and research value, and provides a good scientific research and innovation platform for communication scientific research institutions.

[0075] In another exemplary embodiment of the present application, the human-computer interaction device 4 includes a display device, which can have a human-computer interaction function. If the display device does not have a human-computer interaction function, the human-computer interaction device 4 further includes input devices such as a keyboard and a mouse. The human-computer interaction device 4 can be used to configure parameters and display states of each service function module of the Open5GS device 3, or to display experimental data of each service function module of the Open5GS device 3.

[0076] Any combination of the technical features in the above embodiments can be made, and for the sake of brevity, not all possible combinations are described above, however, as long as there is no conflict, any combination of the technical features should be considered within the scope of the present disclosure.

[0077] The principles and implementation manners of the present application are described herein by using specific examples, and the above embodiments are only used to help understand the method and core idea of the present application; meanwhile, according to the idea of the present application, the specific implementation manners and application range can be changed by those skilled in the art. In conclusion, the content of the present description should not be understood as a limitation of the present application.

Claims

1. A mobile communication experiment apparatus, characterized by comprising: The application relates to a 5G communication system, which comprises a 5G experimental terminal (1), a 5G communication base station (2), an Open5GS device (3) and a man-machine interaction device (4), wherein: The 5G communication base station (2) is in communication connection with the 5G experimental terminal (1), the 5G communication base station (2) is in electrical connection with the Open5GS device (3), and the Open5GS device (3) is in electrical connection with the man-machine interaction device (4).

2. The mobile communication laboratory apparatus according to claim 1, wherein The 5G communication base station (2) comprises a 5G baseband processing unit (5) and a radio frequency unit (6), wherein: The 5G baseband processing unit (5) is connected with the radio frequency unit (6) through an eCPRI interface or a CPRI interface, the 5G baseband processing unit (5) is connected with the Open5GS device (3) through an NG interface, and the radio frequency unit (6) is in wireless communication connection with the 5G experimental terminal (1).

3. The mobile communication laboratory apparatus according to claim 2, wherein The 5G baseband processing unit (5) comprises a 5G master control unit (5-1) and an extension unit (5-2), wherein: The 5G master control unit (5-1) is connected with the Open5GS device (3) through an NG interface, the 5G master control unit (5-1) is connected with the extension unit (5-2) through an eCPRI interface or a CPRI interface, and the extension unit (5-2) is connected with the radio frequency unit (6) through an eCPRI interface or a CPRI interface.

4. The mobile communication laboratory apparatus of claim 2, wherein The radio frequency unit (6) adopts an active antenna unit, and the radio frequency unit (6) is connected with the 5G baseband processing unit (5) through an eCPRI interface.

5. The mobile communication laboratory apparatus of claim 3, wherein The radio frequency unit (6) comprises a remote radio frequency unit and an antenna, wherein: The remote radio frequency unit is connected with the 5G baseband processing unit (5) or the extension unit (5-2) through an eCPRI interface or a CPRI interface, the remote radio frequency unit is connected with the antenna through a feeder, and the antenna is in wireless communication connection with the 5G experimental terminal (1).

6. The mobile communication laboratory apparatus of claim 2, wherein, The 5G baseband processing unit (5) adopts a BBU5900 baseband processing unit, and the radio frequency unit (6) adopts an AAU5619 radio frequency module.

7. The mobile communication laboratory apparatus of claim 1, wherein The 5G experimental terminal (1) comprises a 5G communication module (7), a processor (8), a display screen (9) and a casing (10), wherein: The processor (8) is connected with the 5G communication module (7) and the display screen (9) through data interfaces respectively, the 5G communication module (7) is in wireless communication connection with the 5G communication base station (2), and the 5G communication module (7), the processor (8) and the display screen (9) are all fixed on the casing (10).

8. The mobile communication laboratory apparatus of claim 1, wherein, The Open5GS device (3) is connected with an application server.

9. The mobile communication laboratory apparatus of claim 1, wherein, The Open5GS device (3) comprises a man-machine interaction interface module (11), a process management module (12), a service function module and an optical port driving module (16), wherein: The man-machine interaction interface module (11) is connected with the man-machine interaction device (4) through a data interface, and the man-machine interaction interface module (11) and the process management module (12) are connected with each service function module through data interfaces respectively. The service function module comprises an AMF module (13), a UPF module (14) and an SMF module (15), wherein: The AMF module (13) and the SMF module (15) are connected through a local IP data channel, the SMF module (15) is connected with the UPF module (14), and the AMF module (13) and the UPF module (14) are connected with the 5G communication base station (2) through the optical port driving module (16).

10. The mobile communication laboratory apparatus of claim 9, wherein, The service function module further comprises a PCF module (17), a UDM module (18), an NSSF module (19), an AUSF module (20) and an NRF module (21), wherein: The PCF module (17), the UDM module (18), the NSSF module (19), the AUSF module (20) and the NRF module (21) are all connected with the local IP data channel.

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