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Robust hop-by-hop reliable data transmission method, device and system

A data transmission method and hop-by-hop technology, applied in the field of data transmission, can solve the problems of inability to guarantee the continuity and timeliness of data transmission, and achieve the effect of ensuring reliability and timeliness

Active Publication Date: 2021-08-24
UNIV OF SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although the data transmission method in the prior art has certain reliability, it cannot guarantee the continuity and timeliness of data transmission

Method used

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  • Robust hop-by-hop reliable data transmission method, device and system
  • Robust hop-by-hop reliable data transmission method, device and system
  • Robust hop-by-hop reliable data transmission method, device and system

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Embodiment Construction

[0075] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0076] In this application, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any actual relationship or order, the terms "comprises," "comprises," or any other variation thereof are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that in...

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Abstract

The invention provides a robust hop-by-hop reliable data transmission method, device and system, and the method comprises the following steps: transmitting a data frame packaging currently received data to a receiving end after a transmitting end receives the data every time; and when a feedback frame sent by the receiving end is received, judging whether there is frame loss, and if there is frame loss, resending the data frame lost by the receiving end to the receiving end according to the feedback frame. After the receiving end receives the data frame sent by the transmitting end every time, whether the data is the data frame which is sent again is determined; if the data is not the data frame sent again, whether there is frame loss at the receiving end is re-determined, and if yes, a feedback frame is sent to the transmitting end; and if the data frame is the re-sent data frame, the packaged data is obtained from the data frame, and a corresponding data operation is executed. By applying the method provided by the invention, whether the receiving end loses a frame or not is found in time through the feedback frame, and the lost data frame of the receiving end is re-sent, so that the reliability and timeliness in the data transmission process are ensured.

Description

technical field [0001] The present invention relates to the technical field of data transmission, in particular to a robust hop-by-hop reliable data transmission method, device and system. Background technique [0002] With the rapid growth of Internet network scale and the rapid development of new applications, mobile networking has more complex communication characteristics than traditional networks, such as high-speed node movement, link time and space changes, and high transmission delay requirements. [0003] The TCP / IP protocol data transmission methods in the traditional network can be roughly divided into two types: stop-and-wait protocol and sliding window protocol. The stop-wait protocol is to stop sending every time a packet is sent, wait for the confirmation from the other party, and send the next packet after receiving the confirmation. In the sliding window protocol, the sending end and the receiving end maintain a sending window and a receiving window respect...

Claims

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Application Information

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IPC IPC(8): H04L1/18H04L1/16H04L12/46
CPCH04L1/1867H04L1/1874H04L1/1829H04L1/1607H04L12/4633Y02D30/70
Inventor 何华森侯云鹏陈双武姜晓枫杨锋杨坚
Owner UNIV OF SCI & TECH OF CHINA
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