An Adaptive Adjustment Method of Coding Blocks Oriented to Coding Transmission Protocol

A technology of self-adaptive adjustment and transmission protocol, applied in the field of data transmission, it can solve the problems of not taking advantage of network coding and increasing complexity, so as to enhance the ability to resist random packet loss, reduce coding overhead, and reduce complexity.

Active Publication Date: 2019-08-30
NAT UNIV OF DEFENSE TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If the encoding block is too small, it will be similar to traditional TCP and cannot take advantage of network coding; if the encoding block is too large, it will bring overhead and increase complexity due to the dense matrix random solution

Method used

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  • An Adaptive Adjustment Method of Coding Blocks Oriented to Coding Transmission Protocol
  • An Adaptive Adjustment Method of Coding Blocks Oriented to Coding Transmission Protocol
  • An Adaptive Adjustment Method of Coding Blocks Oriented to Coding Transmission Protocol

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Embodiment Construction

[0028] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0029] Such as Figure 6 As shown, the coding block adaptive adjustment method oriented to the coding transmission protocol of the present invention, in the coding transmission protocol, the size of the coding block is adaptively adjusted to obtain the optimized coding block size that maximizes the transmission throughput during the transmission process.

[0030] In terms of throughput comparison, the difference between the throughput before and after the adaptive adjustment of the coding block is calculated, and the throughput change threshold is set. If the difference in throughput is greater than zero and greater than the threshold value, increase the encoding block size by a larger increment; if the difference in throughput is greater than zero and less than the threshold value, increase the encoding block size by a smaller increm...

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Abstract

The invention discloses a coding block adaptive adjusting method oriented to a coding transmission protocol. In the coding transmission protocol, sizes of coding blocks are adjusted adaptively to obtain an optimized coding block size through which a highest transmission throughput is achieved in a transmission process. The method has the advantages of lowering a complexity and a coding overhead, increasing a data transmission performance, and the like.

Description

technical field [0001] The invention mainly relates to the field of data transmission under a space network environment, in particular to an encoding block adaptive adjustment method oriented to an encoding transmission protocol. Background technique [0002] The concept of network coding was proposed by R Ahlswede of the Chinese University of Hong Kong, etc., which combines the information exchange technology of coding and routing. On the basis of the traditional store-and-forward routing method, the amount of information transmitted in a single transmission is increased by allowing the encoding and information fusion of multiple received data packets. Network coding technology is widely used in space networks, and it shows its superiority in improving network throughput, saving node energy consumption, improving responsible balance, and enhancing network robustness. [0003] At present, the coding technology has corresponding research in the data link layer, network layer...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00
Inventor 虞万荣吴纯青刘波赵宝康冯振乾陈一骄祖学锋
Owner NAT UNIV OF DEFENSE TECH
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