Wireless air-ground maintenance guarantee system and method

Abstract

The invention belongs to the technical field of airborne wireless application, and particularly relates to a wireless air-ground maintenance safeguard system and method, and the system comprises an airborne wireless receiving and transmitting terminal, a portable base station, a core network, a portable ground wireless safeguard terminal, and a safeguard information system. The airborne wireless transceiver terminal is used for carrying out wireless connection with the ground base station equipment and sending the received data of the ground base station equipment to the portable base station and the core network; for a typical task guarantee application scene, an air-ground wireless data unloading scene is used as a support, air-ground high-speed communication is established on the basis of a wireless technical means in an asymptotic landing low-altitude state of a research aircraft, and an air-ground maintenance guarantee system carries out real-time data processing according to maintenance guarantee data, generates an operation activity instruction and sends the operation activity instruction to ground staff; a maintenance closed loop is formed, the guarantee operation process is optimized, the guarantee efficiency is improved, and corresponding guarantee resources are saved.

Description

Technical Field

[0001] The present application belongs to the technical field of airborne wireless applications, and in particular, relates to a wireless air-to-ground maintenance and support system and method. Background Art

[0002] With the continuous improvement of airborne system innovation and performance, the amount of onboard data has increased significantly, and the number of records for a single flight mission has reached tens of gigabytes. The traditional DTC card data unloading method is used to unload all flight data. It requires a series of operations such as card retrieval, card delivery, and card reading to complete data transmission and processing. The entire process takes several hours, greatly increasing the aircraft mission preparation and support time. At the same time, the target aircraft types of field support are diverse, the professional division of support forces is meticulous, the support operation locations are scattered, and the support management process is complex. The complex processing process greatly reduces the support efficiency and quality, and cannot meet the needs of rapid field maintenance and support.

[0003] At present, there is an urgent need to build an information-based process for field maintenance and support services. In existing engineering applications, in the field of airborne wireless applications, there is no systematic closed-loop design solution for wireless maintenance and support systems that meet the needs of ground operations, and the maturity of related technical research is relatively low. Summary of the invention

[0004] The purpose of this application is to provide a wireless air-to-ground maintenance and support system and method to solve the problem that there is no systematic closed-loop design solution for the existing wireless maintenance and support system that meets the needs of ground operations.

[0005] The technical solution of the present application is: a wireless air-to-ground maintenance and support system, including an airborne wireless transceiver terminal, a portable base station, a core network, a portable ground wireless support terminal and a support information system; the airborne wireless transceiver terminal is used to wirelessly connect to the ground base station equipment, and send the data received from the ground base station equipment to the portable base station and the core network; after the portable base station receives the data from the airborne wireless transceiver terminal, it sends it to the support information system and the corresponding terminal, and after the core machine simultaneously receives the data from the airborne wireless transceiver terminal, it parses the data, determines the network node to be sent, and transmits it to the portable base station; the portable ground wireless support terminal is used to parse and judge the received data, and send it to the support information system; the support information system is used to give operation activity instructions based on the analysis and judgment results, and send them to the corresponding portable ground wireless support terminal.

[0006] Preferably, the airborne wireless transceiver terminal is designed based on the 5GNR module, including a data receiving module and a data processing and sending module. The data receiving module can receive the maintenance and support data information sent by the ground base station equipment and send it to the data processing and sending module; the data processing and sending module parses the node information of the maintenance and support data information and sends it to the corresponding portable base station.

[0007] Preferably, the data processing and sending module is further provided with a maintenance submodule, which can perform software upgrades, APN configuration, TR069, alarm, and log functions on the airborne wireless transceiver terminal.

[0008] Preferably, the portable base station includes a hardware layer, a virtual layer and a network element function layer; the hardware layer includes general computing, storage, network hardware and FPGA / ASIC hardware accelerators; the hardware accelerator can perform baseband physical layer protocols, encryption / decryption or interface switching functions, and unload the load of the general processor; the virtual layer is used for abstraction, dynamic reconstruction and management of the underlying hardware, flexible allocation and control of hardware resources in the hardware layer, and providing virtual computing and forwarding functions for upper-layer applications; the network element function layer can realize various virtualized network element functions and load them into the virtual layer.

[0009] Preferably, the core network includes a data uploading module, a data sorting module and a data sending module; the data uploading module can receive the onboard maintenance and support data sent by the airborne wireless transceiver terminal, and then determine the data type through the data sorting module, sort it, and send it to the data sending module, and the data sending module sends it to the portable ground wireless support terminal or the support information system according to the sorting type.

[0010] Preferably, the core network is equipped with multiple 5G base stations, and data is exchanged with airborne wireless transceiver terminals, portable ground wireless support terminals and support information systems through the 5G network. The 5G network adopts 3GPP standards and a lightweight architecture.

[0011] Preferably, the portable ground wireless support terminal includes three different types of wireless terminals, namely mobile phones, tablets and laptop computers; corresponding maintenance and support software is provided in the three types of wireless terminals, and the maintenance and support software is provided with an analysis and judgment module and an instruction synchronization module, the analysis and judgment module can receive the unloading data sent by the portable base station and perform analysis and judgment, wherein the mobile phone end is used to realize the functions of receiving consumable data and data judgment; the PAD end is used to realize the functions of receiving flight parameter data and data judgment; the laptop computer end is used to realize the functions of receiving fault list data and data judgment; the instruction synchronization module can receive the operation activity instructions issued by the support information system, wherein the mobile phone end / PAD end respectively receives the operation activity instructions issued by the support information system and forms a task list, and after the task is completed, the execution result is fed back to the support information system.

[0012] Preferably, the support information system is provided with an operation instruction judgment module and an identity authentication module. After receiving the onboard maintenance and support data sent by the portable base station, the operation instruction judgment module matches the maintenance and support data and judges the operation activity instructions that need to be sent and the corresponding portable ground wireless support terminal. The identity authentication module generates different work cards for the portable ground wireless support terminals that need to send operation activity instructions and sends them to the corresponding portable ground wireless support terminals.

[0013] As a specific implementation, a wireless air-to-ground maintenance method includes:

[0014] Step S100, the airborne wireless transceiver terminal sends the maintenance and support data information in the ground base station equipment that has been encrypted to the corresponding portable ground wireless support terminal and support information system through the portable base station and the core network in the form of a 5G network;

[0015] Step S200, different types of portable ground wireless support terminals receive different types of data in the maintenance support information data, and analyze and interpret the received data according to corresponding interpretation rules, and upload the interpretation results to the support information system;

[0016] Step S300, the support information system gathers support information, gives use and maintenance support suggestion operation activity instructions according to the reading result of the portable ground wireless support terminal, and sends them to the corresponding portable ground wireless support terminal;

[0017] In step S400, the ground staff performs corresponding maintenance and support operations according to the maintenance and support recommended operation instructions received by the portable ground wireless support terminal, and feeds back the execution results to the support information system to realize the task operation closed loop, and finally complete the wireless maintenance and support operation command and task execution.

[0018] The wireless air-to-ground maintenance and support system and method of the present application are aimed at typical mission support application scenarios, based on air-to-ground wireless data unloading scenarios, and study the establishment of air-to-ground high-speed communication based on wireless technology when the aircraft is approaching low altitude for landing. The air-to-ground maintenance and support system performs real-time data processing based on the maintenance and support data, generates operation activity instructions and sends them to ground crew members, forming a maintenance closed loop, optimizing the support operation process, improving support efficiency, and saving corresponding support resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution provided by the present application, the following is a brief introduction to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the present application.

[0020] Figure 1 Schematic diagram of air-to-ground wireless security application scenario for this application

[0021] Figure 2 Schematic diagram of the air-ground wireless security system used in this application

[0022] Figure 3 Schematic diagram of the composition of the airborne wireless transceiver terminal for this application

[0023] Figure 4 This is the functional block diagram of the 5G module for this application. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] A wireless air-to-ground maintenance and support system. During the taxiing phase of an aircraft approaching landing, a wireless communication module is installed on the aircraft, a base station antenna is laid on the airport runway, and an air-to-ground wireless connection is established with a ground terminal for data communication. After landing, the maintenance and support data transmission is completed, and the ground wireless support terminal equipment performs data analysis and interpretation. The ground maintenance personnel conduct rapid inspection and maintenance support based on the interpretation results, thereby shortening the support time and enabling the aircraft to take off quickly again.

[0026] like Figure 1-2As shown, it includes an airborne wireless transceiver terminal, a portable base station, a core network, a portable ground wireless support terminal and a support information system. The airborne wireless transceiver terminal is used to wirelessly connect to the ground base station equipment and send the data received from the ground base station equipment to the portable base station and the core network. After receiving the data from the airborne wireless transceiver terminal, the portable base station sends it to the support information system and the corresponding terminal. After the core machine receives the data from the airborne wireless transceiver terminal at the same time, it parses the data, determines the network node to be sent, and transmits it to the portable base station; the portable ground wireless support terminal is used to parse and judge the received data, and send it to the support information system; the support information system is used to give operation activity instructions based on the analysis and judgment results, and send them to the corresponding portable ground wireless support terminal.

[0027] like Figure 3 Preferably, the airborne wireless transceiver terminal is designed based on the 5GNR module, including a data receiving module and a data processing and sending module. The data receiving module can receive the maintenance and support data information sent by the ground base station equipment and send it to the data processing and sending module. The data receiving module supports the millimeter wave frequency band N258 and the Sub6G frequency band N78, and supports NR-DC; the data processing and sending module parses the node information of the maintenance and support data information and sends it to the corresponding portable base station to realize fast data transmission.

[0028] The data processing and sending module also has a maintenance submodule, which can perform software upgrades, APN configuration, TR069, alarms, logs and other functions on the airborne wireless transceiver terminal.

[0029] Preferably, the portable base station includes a hardware layer, a virtual layer and a network element function layer. The hardware layer includes hardware resources such as general computing, storage, and network, as well as hardware accelerators such as FPGA / ASIC; the hardware accelerator is mainly used to complete functions such as baseband physical layer protocols, encryption / decryption or access switching, and unload the load of general processors; the virtual layer is used to abstract, dynamically reconstruct and manage the underlying hardware, complete the flexible deployment and control of hardware resources in the hardware layer, and provide virtual computing and forwarding functions for upper-layer applications. The network element function layer can realize various virtualized network element functions, such as base station functions such as BBU, CU, DU, etc., and load them into the virtual layer.

[0030] Network element functions based on virtualization technology can be flexibly orchestrated according to business needs and support the opening of underlying device capabilities to higher-level application platforms.

[0031] The devices covered by the network communicate wirelessly through the core network scheduling, so that the central node of the base station and the ordinary nodes can be interconnected. The portable base station realizes functions such as large bandwidth, high reliability, low latency and low power consumption.

[0032] Use portable wireless terminals to guide ground staff in carrying out maintenance and support operations, shorten support time and improve support efficiency.

[0033] Preferably, the core network includes a data uploading module, a data sorting module and a data sending module; the data uploading module can receive the onboard maintenance and support data sent by the airborne wireless transceiver terminal, and then determine the data type through the data sorting module, sort it, and send it to the data sending module, and the data sending module sends it to the portable ground wireless support terminal or the support information system according to the sorting type.

[0034] like Figure 4 The core network is equipped with multiple 5G base stations, and data is exchanged with airborne wireless transceiver terminals, portable ground wireless support terminals and support information systems through the 5G network. The 5G network adopts the 3GPP standard and a lightweight architecture. In combination with the requirements of specific application scenarios, the performance and function of the traditional core network for public network services are tailored to achieve agile adaptation of 5G private networks to various business scenarios. It completes functions such as terminal access control, authentication, switching and data service transmission, and realizes the management function of network nodes.

[0035] Preferably, the portable ground wireless support terminal includes three different types of wireless terminals: mobile phones, tablets and laptop computers. The three types of wireless terminals are all equipped with corresponding maintenance support software, which are equipped with an analysis and judgment module and an instruction synchronization module. The analysis and judgment module can receive the unloading data sent by the portable base station and perform analysis and judgment. The mobile phone end is used to realize the reception and data judgment functions of consumable data; the PAD end is used to realize the reception and data judgment functions of flight parameter data; and the laptop end is used to realize the reception and data judgment functions of fault list data.

[0036] The instruction synchronization module can receive the operation activity instructions issued by the security information system, where the mobile phone / PAD terminal respectively receives the operation activity instructions issued by the security information system and forms a task list. At the same time, after the task is completed, the execution result is fed back to the security information system.

[0037] Preferably, an operation instruction judgment module and an identity authentication module are provided in the support information system. After receiving the onboard maintenance and support data sent by the portable base station, the operation instruction judgment module matches the maintenance and support data and judges the operation activity instructions that need to be sent and the corresponding portable ground wireless support terminal. The identity authentication module generates different work cards for the portable ground wireless support terminals that need to send operation activity instructions and sends them to the corresponding portable ground wireless support terminals.

[0038] As a specific implementation method, a wireless air-to-ground maintenance method is also included, using the above system, and the specific design steps are as follows:

[0039] Step S100, the airborne wireless transceiver terminal sends the maintenance and support data information in the ground base station equipment that has been encrypted to the corresponding portable ground wireless support terminal and support information system through the portable base station and the core network in the form of a 5G network;

[0040] Step S200, different types of portable ground wireless support terminals receive different types of data in the maintenance support information data, and analyze and interpret the received data according to corresponding interpretation rules, and upload the interpretation results to the support information system;

[0041] Step S300, the support information system gathers support information, gives use and maintenance support suggestion operation activity instructions according to the reading result of the portable ground wireless support terminal, and sends them to the corresponding portable ground wireless support terminal;

[0042] In step S400, the ground staff performs corresponding maintenance and support operations according to the maintenance and support recommended operation instructions received by the portable ground wireless support terminal, and feeds back the execution results to the support information system to realize the task operation closed loop, and finally complete the wireless maintenance and support operation command and task execution.

[0043] To summarize, this application targets typical mission support application scenarios, based on air-to-ground wireless data unloading scenarios, and studies the establishment of air-to-ground high-speed communication based on wireless technology when the aircraft is approaching low altitude for landing. The air-to-ground maintenance support system performs real-time data processing based on the maintenance support data, generates operation activity instructions and sends them to ground crew, thus forming a maintenance closed loop, optimizing the support operation process, improving support efficiency, and saving corresponding support resources.

[0044] Finally, it should be noted that: the drawings of the embodiments disclosed in the present invention only involve structures related to the embodiments disclosed in the present invention, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

[0045] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A wireless air-to-ground maintenance and support system, characterized by: It includes an airborne wireless transceiver terminal, a portable base station, a core network, a portable ground wireless support terminal and a support information system; the airborne wireless transceiver terminal is used to wirelessly connect to the ground base station equipment and send the data received from the ground base station equipment to the portable base station and the core network; After receiving the data from the airborne wireless transceiver terminal, the portable base station sends it to the support information system and the corresponding terminal. After the core machine receives the data from the airborne wireless transceiver terminal at the same time, it parses the data, determines the network node to be sent, and transmits it to the portable base station; the portable ground wireless support terminal is used to parse and judge the received data, and send it to the support information system; the support information system is used to give operation activity instructions based on the analysis and judgment results, and send them to the corresponding portable ground wireless support terminal.

2. The wireless air-to-ground maintenance and support system as claimed in claim 1, characterized in that: The airborne wireless transceiver terminal is designed based on the 5GNR module, including a data receiving module and a data processing and sending module. The data receiving module can receive maintenance and support data information sent by the ground base station equipment and send it to the data processing and sending module; The data processing and sending module analyzes the node information of the maintenance and security data information and sends it to the corresponding portable base station.

3. The wireless air-to-ground maintenance and support system as claimed in claim 2, characterized in that: The data processing and sending module is also provided with a maintenance submodule, which can perform software upgrade, APN configuration, TR069, alarm and log functions on the airborne wireless transceiver terminal.

4. The wireless air-to-ground maintenance and support system as claimed in claim 1, characterized in that: The portable base station includes a hardware layer, a virtual layer and a network element function layer; the hardware layer includes general computing, storage, network hardware and FPGA / ASIC hardware accelerators; the hardware accelerator can perform baseband physical layer protocols, encryption / decryption or interface switching functions, and unload the load of the general processor; the virtual layer is used to abstract, dynamically reconstruct and manage the underlying hardware, flexibly allocate and control the hardware resources in the hardware layer, and provide virtual computing and forwarding functions for upper-layer applications; the network element function layer can realize various virtualized network element functions and load them into the virtual layer.

5. The wireless air-to-ground maintenance and support system as claimed in claim 1, characterized in that: The core network includes a data uploading module, a data sorting module and a data sending module; the data uploading module can receive the onboard maintenance and support data sent by the airborne wireless transceiver terminal, and then determine the data type through the data sorting module, sort it, and send it to the data sending module, and the data sending module sends it to the portable ground wireless support terminal or the support information system according to the sorting type.

6. The wireless air-to-ground maintenance and support system as claimed in claim 5, characterized in that: The core network is equipped with multiple 5G base stations, and exchanges data with airborne wireless transceiver terminals, portable ground wireless support terminals and support information systems through the 5G network. The 5G network adopts 3GPP standards and a lightweight architecture.

7. The wireless air-to-ground maintenance and support system as claimed in claim 1, characterized in that: The portable ground wireless support terminal includes three different types of wireless terminals: mobile phones, tablets and laptop computers; corresponding maintenance and support software is set in the three types of wireless terminals, and the maintenance and support software is provided with an analysis and judgment module and an instruction synchronization module. The analysis and judgment module can receive the unloading data sent by the portable base station and perform analysis and judgment, wherein the mobile phone end is used to realize the functions of receiving consumable data and data judgment; the PAD end is used to realize the functions of receiving flight parameter data and data judgment; the laptop computer end is used to realize the functions of receiving fault list data and data judgment; the instruction synchronization module can receive the operation activity instructions issued by the support information system, wherein the mobile phone end / PAD end respectively receives the operation activity instructions issued by the support information system and forms a task list, and after the task is completed, the execution result is fed back to the support information system.

8. The wireless air-to-ground maintenance and support system as claimed in claim 1, characterized in that: The support information system is provided with an operation instruction judgment module and an identity authentication module. After receiving the onboard maintenance and support data sent by the portable base station, the operation instruction judgment module matches the maintenance and support data and judges the operation activity instructions that need to be sent and the corresponding portable ground wireless support terminal. The identity authentication module generates different work cards for the portable ground wireless support terminals that need to send operation activity instructions and sends them to the corresponding portable ground wireless support terminals.

9. A wireless air-to-ground maintenance method, using the system as claimed in any one of claims 1 to 8, characterized in that: include: Step S100, the airborne wireless transceiver terminal sends the maintenance and support data information in the ground base station equipment that has been encrypted to the corresponding portable ground wireless support terminal and support information system through the portable base station and the core network in the form of a 5G network; Step S200, different types of portable ground wireless support terminals receive different types of data in the maintenance support information data, and analyze and interpret the received data according to corresponding interpretation rules, and upload the interpretation results to the support information system; Step S300, the support information system gathers support information, gives use and maintenance support suggestion operation activity instructions according to the reading result of the portable ground wireless support terminal, and sends them to the corresponding portable ground wireless support terminal; In step S400, the ground staff performs corresponding maintenance and support operations according to the maintenance and support recommended operation instructions received by the portable ground wireless support terminal, and feeds back the execution results to the support information system to realize the task operation closed loop, and finally complete the wireless maintenance and support operation command and task execution.

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