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Transmission control method, system and device based on linear network coding and medium

A technology of linear network coding and transmission control, applied in transmission systems, digital transmission systems, electrical components, etc., can solve problems such as excessive delay and failure to restore data packets in time, so as to reduce delay, improve reliability, and improve real-time effect

Pending Publication Date: 2022-04-29
GUANGDONG ZHONGXING NEWSTART TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the value of n or m is not set properly, it will lead to excessive delay or unable to restore the data packet in time

Method used

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  • Transmission control method, system and device based on linear network coding and medium
  • Transmission control method, system and device based on linear network coding and medium
  • Transmission control method, system and device based on linear network coding and medium

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Embodiment Construction

[0038] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. The numbers of the steps in the following embodiments are only set for the convenience of description, and the sequence between the steps is not limited in any way, and the execution sequence of each step in the embodiments can be adapted according to the understanding of those skilled in the art Sexual adjustment.

[0039] like figure 1 As shown, the transmission control system based on linear network coding includes a sender and a receiver. The sender firstly groups the data to be transmitted continuously, divides the data in the group into n data packets, and encodes the n data packets into m The sender then sends the n data packets and m encoded packets to the receiver; the receiver restores the original data packets in the group according to the received n data packets and m encoded packets.

[0040] Unless otherwise specified belo...

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Abstract

The invention discloses a transmission control method, system and device based on linear network coding and a medium. The method comprises the following steps: acquiring original to-be-sent data; subpackaging the original to-be-sent data according to a preset number of data packets to obtain subpackaged data in a group, and encoding the subpackaged data in the group according to a preset number of encoding packets to obtain encoded data in the group; the preset number of the data packets is determined according to the maximum value of the sending time interval of the link and the maximum number of the sent data packets of the link, and the preset number of the coding packets is determined according to the preset number of the data packets, the data packet loss rate after decoding of the receiving end and the preset acceptable packet loss rate; and sending the subpackage data in the group and the coded data in the group to the receiving end. The embodiment of the invention can reduce time delay, improve real-time performance and reliability, and can be widely applied to the field of multimedia information transmission.

Description

technical field [0001] The present invention relates to the field of multimedia information transmission, in particular to a transmission control method, system, device and medium based on linear network coding. Background technique [0002] The method of linear network coding in the related art is as follows: the sender groups the connected data packets, suppose that each group of data has a total of n data packets, the sender generates m encoded packets from the data packets by linear combination, and A total of n+m data packets and encoded packets are sent to the receiver, and the receiver only needs to receive n irrelevant data packets or encoded packets to restore the original n data packets. When the value of n or m is not set properly, the delay will be too large or the data packets cannot be restored in time. SUMMARY OF THE INVENTION [0003] In view of this, the purpose of the embodiments of the present invention is to provide a transmission control method, syste...

Claims

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Application Information

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IPC IPC(8): H04L1/00
CPCH04L1/0006H04L1/0015H04L1/0002
Inventor 蔡俊杰周志雄
Owner GUANGDONG ZHONGXING NEWSTART TECH CO LTD