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Aircraft-ground network system file transmission service communication method

A technology of file transmission and communication method, which is applied in the field of airborne embedded software, can solve problems such as complex management process, inability to apply parallel transmission links of multi-channel cellular networks, and detachment of data transmission process, so as to achieve efficient and stable transmission

Active Publication Date: 2018-04-06
XIAN AVIATION COMPUTING TECH RES INST OF AVIATION IND CORP OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, neither of these two widely used public protocols and their public variants can be applied to parallel transmission links of multiple cellular networks, so neither can be used as a general transmission protocol for aircraft-ground file transmission equipment
[0005] In addition, the current general aircraft-ground file transfer management process is complicated and separated from the data transfer process, resulting in the status quo of going through the management process first and then executing the transfer process

Method used

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  • Aircraft-ground network system file transmission service communication method
  • Aircraft-ground network system file transmission service communication method
  • Aircraft-ground network system file transmission service communication method

Examples

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Embodiment Construction

[0079] In the civil airliner information system, the method is adopted to realize the two-way transmission of file data between the airborne information system and the ground support network.

[0080] communication process

[0081] The process of a file transfer is as follows: figure 1 and figure 2 as shown,

[0082] Step 1) When the aircraft is the server and the ground is the client, proceed to step 2) to step 4); when the aircraft is the client and the ground is the server, proceed to step 5);

[0083] Step 2) The ground sends a connection request command to the public address of the aircraft;

[0084] Step 3) After the aircraft receives the request connection command sent from the ground, the command identity is checked, and if the check is passed, then step 4); if the check fails, the status command will be returned and jump to step 18);

[0085] Step 4) The aircraft replies to the ground with a registration command to register, and proceeds to step 6)-step 17);

[...

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Abstract

The invention belongs to the field of airborne embedded software, and particularly relates to an aircraft-ground network system file transmission service communication method. The method supports taking the ground as a server side and taking an aircraft as a client, wherein the aircraft initiates a registration request to the ground. Meanwhile, the method also supports taking the ground as a client and taking the aircraft as a server side, wherein the ground initiates a registration request to the aircraft. Thus, communication is established to perform data interaction. In an interaction process, a method of 'data request specific to data block (Block# field)' is adopted, so that the method is general to Ethernet connection, airport Wi-Fi access or a cellular network and even a transmission protocol for a parallel transmission link way of a plurality of paths of cellular networks; the blank of cross-link transmission protocol is filled up; a management process is fused with a data transmission process; and the business efficiency is increased effectively.

Description

technical field [0001] The invention belongs to the field of airborne embedded software, in particular to an aircraft-ground network system file transmission service communication method. Background technique [0002] The concept of air-ground networking has gradually replaced the way traditional airliners use mobile storage media for aircraft-ground file exchange. Civilian airliners are increasingly using Ethernet cable connections, airport Wi-Fi access or cellular networks, and even multi-channel Cellular network parallel transmission as aircraft-ground transmission link. [0003] The FTP protocol defined by the RFC959 standard sponsored by ISOC is one of the protocols in the TCP / IP protocol group, which provides reliable file transfer services based on TCP connections; the TFTP protocol defined by the RFC1350 standard is another widely used file transfer protocol. , which provides low-overhead high-efficiency file transfer services based on UDP. The above two and a seri...

Claims

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Application Information

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IPC IPC(8): H04B7/185H04L29/08
CPCH04B7/18506H04L67/06
Inventor 张杨阳丁玮茹伟胡宇凡朱恩亮万欣宇
Owner XIAN AVIATION COMPUTING TECH RES INST OF AVIATION IND CORP OF CHINA
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