A wireless air-ground maintenance support system and method

Abstract

The application belongs to the technical field of airborne wireless application, and particularly relates to a wireless air-ground maintenance support system and method, which comprises 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 for wirelessly connecting to a ground base station device and transmitting data of the ground base station device received to the portable base station and the core network; for a typical task support application scene, an air-ground wireless data offloading scene is relied on to research the establishment of air-ground high-speed communication based on wireless technical means under the condition of gradual landing of an airplane at a low altitude, the air-ground maintenance support system performs real-time data processing according to maintenance support data, generates operation activity instructions and sends the instructions to ground staff, forms a maintenance closed loop, optimizes the support operation process, improves the support efficiency and saves the corresponding support resources.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of airborne wireless application, and particularly relates to a wireless air-ground maintenance support system and method. BACKGROUND

[0002] With the continuous innovation and performance improvement of airborne systems, the amount of data on board increases significantly, and the number of records of a single flight task reaches the order of tens of gigabytes. Using the traditional DTC card data unloading method to unload all flight data, a series of operations such as card taking, card sending and card reading are required to complete data transmission and processing, and the whole process takes several hours, which greatly increases the aircraft task preparation and support time. At the same time, the target aircraft model is diverse, the support force is professionally divided, the support operation position is scattered, and the support management process is complex. The complex processing process greatly reduces the support efficiency and quality, and cannot meet the demand of rapid maintenance support in the field.

[0003] At present, the informationization process construction demand of field maintenance support business is urgent. In the field of airborne wireless application in existing engineering application, there is no systematic closed-loop design scheme for wireless maintenance support system to meet the demand of ground service work, and the related technical research maturity is low. SUMMARY

[0004] The purpose of the application is to provide a wireless air-ground maintenance support system and method to solve the problem that the existing wireless maintenance support system to meet the demand of ground service work has no systematic closed-loop design scheme.

[0005] The technical scheme of the application is: a wireless air-ground maintenance support system, comprising 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 for wirelessly connecting to 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; the portable base station sends the data received from the airborne wireless transceiver terminal to the support information system and the corresponding terminal after receiving the data, and the core network receives the data from the airborne wireless transceiver terminal and analyzes the data, judges the required network nodes and transmits them to the portable base station; the portable ground wireless support terminal is used for analyzing and judging the received data and sending them to the support information system; the support information system is used for giving operation activity instructions according to the analysis and judgment results and sending them to the corresponding portable ground wireless support terminal.

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

[0007] Preferably, the data processing and sending module further comprises a maintenance sub-module, which can perform software upgrade, APN configuration, TR069, alarm and log functions on the airborne wireless transceiver terminal.

[0008] Preferably, the portable base station comprises a hardware layer, a virtual layer and a network element function layer; the hardware layer comprises general-purpose computing, storage, network hardware and FPGA / ASIC hardware accelerator; the hardware accelerator can perform baseband physical layer protocol, encryption / decryption or interface switching function, and unload the load of the general-purpose 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 provides virtual computing and forwarding functions for the upper layer application; the network element function layer can realize various virtualized network element functions and load them into the virtual layer.

[0009] Preferably, the core network comprises a data uploading module, a data sorting module and a data issuing module; the data uploading module can receive on-board maintenance support data sent by the airborne wireless transceiver terminal, then judge the data type through the data sorting module, sort and send it to the data issuing module, and the data issuing 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 sets of 5G base stations, and data interaction is performed with the airborne wireless transceiver terminal, the portable ground wireless support terminal and the support information system through a 5G network; the 5G network adopts 3GPP standard and adopts a lightweight architecture.

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

[0012] Preferably, the maintenance information system is provided with an operation instruction judgment module and an identity authentication module, the operation instruction judgment module matches and judges the operation activity instruction and the corresponding portable ground wireless maintenance terminal after receiving the on-board maintenance data sent by the portable base station, and the identity authentication module generates different work cards for the portable ground wireless maintenance terminal which needs to send the operation activity instruction and sends the work cards to the corresponding portable ground wireless maintenance terminal.

[0013] As a specific embodiment, a wireless air-ground maintenance method comprises:

[0014] In step S100, the on-board wireless transceiver terminal sends the maintenance data information in the ground base station equipment which has been subjected to information encryption processing to the corresponding portable ground wireless maintenance terminal and the maintenance information system in the form of a 5G network through the portable base station and the core network;

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

[0016] In step S300, the maintenance information system performs maintenance information aggregation, gives use and maintenance recommendation operation activity instructions according to the interpretation results of the portable ground wireless maintenance terminal, and sends the instructions to the corresponding portable ground wireless maintenance terminal;

[0017] In step S400, the ground crew performs corresponding maintenance operation according to the use and maintenance recommendation operation activity instructions received by the portable ground wireless maintenance terminal, and feeds back the execution result to the maintenance information system, realizes the task operation closed loop, and finally completes the wireless maintenance operation command and task execution.

[0018] The wireless air-ground maintenance guarantee system and method of the application is based on the air-ground wireless data offloading scene, and establishes high-speed air-ground communication based on wireless technology means in the gradual landing low-altitude state of the aircraft. The air-ground maintenance guarantee system generates operation activity instructions according to real-time data processing of maintenance guarantee data and sends the instructions to the ground crew, forms a maintenance closed loop, optimizes the guarantee operation process, improves the guarantee efficiency, and saves the corresponding guarantee resources. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions provided by the application, the following will briefly introduce the drawings. Obviously, the drawings described below are only some embodiments of the application.

[0020] Figure 1 The application is an air-ground wireless guarantee application scene schematic diagram

[0021] Figure 2 The application is an air-ground wireless guarantee system use schematic diagram

[0022] Figure 3 The application is an airborne wireless transceiver terminal composition schematic diagram

[0023] Figure 4 The application is a 5G module function block diagram. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only some of the embodiments of the application, not all. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the application.

[0025] A wireless air-ground maintenance guarantee system, in the taxiing phase of the aircraft in the gradual landing state, by installing a wireless communication module on the aircraft, laying a base station antenna on the airport runway, establishing air-ground wireless connection with the ground terminal for data communication, completing maintenance guarantee data transmission after landing and stopping, providing data analysis and interpretation for the ground wireless guarantee terminal equipment, and the ground maintenance personnel performing rapid inspection and maintenance guarantee according to the interpretation result, thereby compressing the guarantee time and realizing the rapid take-off of the aircraft again.

[0026] As Figures 1-2As shown, it comprises 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 for wireless connection to the ground base station device and sends the received data of the ground base station device to the portable base station and the core network. After receiving the data of the airborne wireless transceiver terminal, the portable base station sends it to the support information system and the corresponding terminal, and the core network receives the data of the airborne wireless transceiver terminal and analyzes the data, judges the network nodes required to be sent, and transmits them to the portable base station; the portable ground wireless support terminal is used for analyzing and judging the received data and sending them to the support information system; the support information system is used for giving operation activity instructions according to the analysis and judgment results and sending them to the corresponding portable ground wireless support terminal.

[0027] As Figure 3 , preferably, the airborne wireless transceiver terminal is designed based on a 5G NR module, comprising a data receiving module and a data processing and sending module. The data receiving module can receive the maintenance support data information sent by the ground base station device and send it to the data processing and sending module. The data receiving module supports millimeter wave frequency band N258 and Sub6G frequency band N78 and supports NR-DC. The data processing and sending module analyzes the node information of the maintenance support data information and sends it to the corresponding portable base station, realizing fast data transmission.

[0028] The data processing and sending module is also provided with a maintenance sub-module, which can perform software upgrading, APN configuration, TR069, alarm, log and other functions on the airborne wireless transceiver terminal.

[0029] Preferably, the portable base station comprises a hardware layer, a virtual layer and a network element function layer. The hardware layer comprises general-purpose computing, storage, network and other hardware resources and FPGA / ASIC and other hardware accelerators; the hardware accelerators are mainly used to complete the functions of baseband physical layer protocol, encryption / decryption or interface switching, etc., to unload the load of general-purpose processors; 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 provides virtual computing and forwarding functions for the upper layer application. The network element function layer can realize various virtualized network element functions, such as BBU, CU, DU and other base station functions, and load them to the virtual layer.

[0030] The network element function based on virtualization technology can be flexibly arranged according to business needs and supports opening of underlying device capabilities to higher layer application platforms.

[0031] The devices covered by the network are scheduled through the core network to communicate in a wireless manner, so that the central nodes and ordinary nodes of the base station are interconnected. The portable base station realizes functions such as large bandwidth, high reliability, low latency and low power consumption.

[0032] Through the portable wireless terminal, the ground maintenance staff is guided to carry out maintenance support operation, the support time is compressed, and the support efficiency is improved.

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

[0034] As Figure 4 , the core network is equipped with multiple sets of 5G base stations, and data interaction is carried out with the airborne wireless transceiver terminal, the portable ground wireless support terminal and the support information system through the 5G network. The 5G network adopts 3GPP standard and adopts lightweight architecture, combines with the demand of specific application scene, and carries out performance pruning and function customization on the traditional core network for public network business, realizes the agile adaptation of 5G private network to various business scenes. Complete the functions of terminal access control, authentication, handover and data service transmission, realize the management function of network node.

[0035] Preferably, the portable ground wireless support terminal includes three types of wireless terminals with different forms of mobile phones, tablets and notebook computers. The corresponding maintenance support software is arranged in the three types of wireless terminals. The maintenance support software is provided with an analysis and interpretation module and an instruction synchronization module. The analysis and interpretation module can receive the offloading data sent by the portable base station and carry out analysis and interpretation. The mobile phone terminal is used to realize the functions of receiving and data interpretation of consumable data; the PAD terminal is used to realize the functions of receiving and data interpretation of flight parameter data; and the notebook computer terminal is used to realize the functions of receiving and data interpretation of fault list data.

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

[0037] Preferably, the support information system is provided with an operation instruction judgment module and an identity authentication module. After the operation instruction judgment module receives the onboard maintenance support data sent by the portable base station, the maintenance support data is matched and judged to determine the operation activity instruction 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 terminal which needs to send the operation activity instruction and sends them to the corresponding portable ground wireless support terminal.

[0038] As a specific embodiment, it also includes a wireless air-ground maintenance support method, which adopts the above-mentioned system, and the specific design steps are as follows:

[0039] Step S100, the on-board wireless transceiver terminal sends the maintenance support data information in the ground base station device after information encryption processing 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 parse the received data according to the corresponding interpretation rules, and upload the interpretation results to the support information system;

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

[0042] Step S400, the ground crew executes the corresponding maintenance support operation according to the use and maintenance support suggestion operation activity instructions received by the portable ground wireless support terminal, and feeds back the execution results to the support information system, realizes the task operation closed loop, and finally completes the wireless maintenance support operation command and task execution.

[0043] In summary, the application is based on the air-ground wireless data offloading scene, and researches the establishment of air-ground high-speed communication based on wireless technology means in the gradual landing low-altitude state of the aircraft. The air-ground maintenance support system processes the maintenance support data in real time, generates operation activity instructions and sends them to the ground crew, forms a maintenance closed loop, optimizes the support operation process, improves the support efficiency, and saves the corresponding support resources.

[0044] Finally, it should be noted that: the drawings of the disclosed embodiments only involve the structures involved in the disclosed embodiments, other structures can refer to the usual design, and under the condition of no conflict, the same embodiment and different embodiments of the application can be combined with each other;

[0045] Finally: the above only describes the preferred embodiments of the application and is not used to limit the application, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the application should be included in the protection scope of the application.

Claims

1. A wireless air-ground maintenance support system, characterized by: The system comprises 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 for wirelessly connecting to a ground base station device and transmitting the received data of the ground base station device to the portable base station and the core network; The portable base station transmits the data received from the airborne wireless transceiver terminal to the support information system and corresponding terminals, and the core network receives the data from the airborne wireless transceiver terminal, analyzes the data, judges the network nodes required to be transmitted, and transmits to the portable base station; the portable ground wireless support terminal is used for analyzing and judging the received data and transmitting to the support information system; the support information system is used for giving operation activity instructions according to the analysis and judgment results and transmitting to the corresponding portable ground wireless support terminal; The airborne wireless transceiver terminal is designed based on a 5G NR module and comprises a data receiving module and a data processing and transmitting module; the data receiving module can receive the maintenance support data information sent by the ground base station device and transmit to the data processing and transmitting module; The data processing and transmitting module analyzes the node information of the maintenance support data information and transmits to the corresponding portable base station; The core network comprises a data uploading module, a data sorting module and a data issuing module; The data uploading module can receive the onboard maintenance support data sent by the airborne wireless transceiver terminal, then judge the data type through the data sorting module, sort and transmit to the data issuing module, and the data issuing module transmits to the portable ground wireless support terminal or the support information system according to the sorted type; The portable ground wireless support terminal comprises three types of wireless terminals of mobile phones, tablets and notebook computers; the corresponding maintenance support software is arranged in the three types of wireless terminals; the maintenance support software is provided with an analysis and judgment module and an instruction synchronization module; the analysis and judgment module can receive the offloading data sent by the portable base station and analyze and judge; the mobile phone is used for receiving and judging consumable data; the tablet is used for receiving and judging flight parameter data; the notebook computer is used for receiving and judging fault list data; the instruction synchronization module can receive the operation activity instructions sent by the support information system; the mobile phone and the tablet respectively receive the operation activity instructions sent by the support information system and form a task list, and the execution results are fed back to the support information system after the task is executed; The support information system is provided with an operation instruction judgment module and an identity authentication module; the operation instruction judgment module receives the onboard maintenance support data sent by the portable base station, matches and judges the operation activity instructions required to be transmitted and the corresponding portable ground wireless support terminal, and the identity authentication module generates different work cards for the portable ground wireless support terminal required to transmit the operation activity instructions and transmits to the corresponding portable ground wireless support terminal.

2. The wireless air-ground MHS system of claim 1, wherein: The data processing sending module is internally provided with a maintenance sub-module capable of performing software upgrading, APN configuration, TR069, alarm, and log functions on the airborne wireless transceiver terminal.

3. The wireless air-ground MHS system of claim 1, wherein: The portable base station comprises a hardware layer, a virtual layer, and a network element function layer; the hardware layer comprises general-purpose computing, storage, network hardware, and FPGA / ASIC hardware accelerators; the hardware accelerators can perform baseband physical layer protocol, encryption / decryption, or interface switching functions, and offload the load of general-purpose processors; 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 provision of virtual computing and forwarding functions for upper-layer applications; and the network element function layer can implement various virtualized network element functions and be loaded into the virtual layer.

4. The wireless air-ground MHS system of claim 1, wherein: The core network is provided with multiple sets of 5G base stations, and data interaction is performed with the airborne wireless transceiver terminal, the portable ground wireless support terminal, and the support information system through a 5G network; the 5G network adopts a 3GPP standard and a lightweight architecture.

5. A wireless air-ground maintenance support method using the system according to any one of claims 1 to 4, characterized by, The method comprises the following steps: In step S100, the airborne wireless transceiver terminal sends the maintenance support data information in the ground base station equipment that has been subjected to information encryption processing to the corresponding portable ground wireless support terminal and support information system in the form of a 5G network through the portable base station and the core network; In step S200, different types of portable ground wireless support terminals receive different types of data in the maintenance support information data, analyze the received data according to corresponding interpretation rules, and upload the interpretation results to the support information system; In step S300, the support information system performs support information aggregation, gives use and maintenance support suggestion operation activity instructions according to the interpretation results of the portable ground wireless support terminal, and sends the instructions to the corresponding portable ground wireless support terminal; In step S400, the ground crew performs corresponding maintenance support operations according to the use and maintenance support suggestion operation activity instructions received by the portable ground wireless support terminal, feeds back the execution results to the support information system, realizes a task operation closed loop, and finally completes wireless maintenance support operation command and task execution.

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