Method and device for improving ultra-long datagram transmission reliability

A datagram and reliability technology, applied in the direction of digital transmission system, transmission mode adjustment, transmission system, etc., can solve the problems of long message data length, insufficient transmission confidentiality, complicated processing process, etc., so as to improve reliability and shorten Effects on processing time, improved operation and processing efficiency

Inactive Publication Date: 2018-06-08
四川九洲空管科技有限责任公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] 1. During the transmission process, it is often prone to message error caused by noise and interference;
[0006] 2. The confidentiality of the transmission is insufficient, and there are problems such as the interception and translation of the message by a third party;
[0007] 3. The data length of the message is too long, the amount of data is too large, and the processing process is relatively complicated, resulting in low processing efficiency

Method used

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  • Method and device for improving ultra-long datagram transmission reliability
  • Method and device for improving ultra-long datagram transmission reliability
  • Method and device for improving ultra-long datagram transmission reliability

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Embodiment Construction

[0039] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.

[0040] Any feature disclosed in this specification, unless specifically stated, can be replaced by other alternative features that are equivalent or have similar purposes. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.

[0041] The block flow diagram of a preferred embodiment 1 of the present invention is as figure 1 As shown, the specific steps are:

[0042] Step 101: segmenting and splitting the super-long datagram, that is, splitting the message into data blocks of the same length according to the input super-long datagram to be transmitted and the RS coding rule;

[0043] Step 102: Segment encoding, that is, according to the split data blocks, perform segment encoding by means of RS encoding, and expand each dat...

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Abstract

The invention belongs to the field of ground-air data transmission and relates to a method and device for improving ultra-long datagram transmission reliability and aims at improving the problem thatin the prior art, message error codes resulting from noise and interference exist in a transmission process, messages are liable to be intercepted and decoded by a third party due to insufficient transmission confidentiality, and the processing efficiency is relatively low due to overlong message data length, excessive data quantity and relatively complex processing process. The device provided bythe invention comprises a transmitting end and a receiving end and is used for carrying out segmented parallel processing on message data of an ultra-long datagram. The transmitting end comprises a datagram splitting module, a data coding module, a data interleaving module and a data transmitting module. The receiving end comprises a data receiving module, a data segmentation and de-interleavingmodule, a data decoding and error correction module and a datagram recombination module. The method and the device are mainly applied to the field of flight information service ground-air data transmission.

Description

technical field [0001] The invention belongs to the field of ground-air data transmission, and relates to a method and a device for flight information service ground-air data transmission, in particular to a method and a device for improving the reliability of ultra-long datagram transmission. Background technique [0002] With the development of the air transport industry, the scale of airlines is growing and the number of aircraft is increasing. The pressure on traffic management in civil aviation is increasing. How to better manage the increasing number of aircraft and provide aircraft with as much information as possible Traffic situation, ground traffic situation, weather service, flight plan and other information, build a complete ground-air data communication link, realize ground-air data transmission, and ensure the integrity, correctness and reliability of the transmitted data, which has become an emergency for air traffic management. One of the unresolved issues. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H04L29/08
CPCH04L1/0006H04L1/0014H04L1/0071H04L67/108H04L67/1095
Inventor 张炼刘元春
Owner 四川九洲空管科技有限责任公司
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