Compatible network high-real-time data transmission device and method

A technology for real-time data transmission and compatibility, applied in digital transmission systems, transmission systems, advanced technologies, etc., can solve problems such as high latency, inability to meet the deterministic transmission requirements of high-priority traffic, and reduce waiting time and improve industrial production. Efficiency, the effect of ensuring uniformity

Active Publication Date: 2022-05-10
ZHEJIANG LAB
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The time-aware shaper can prevent non-scheduled traffic, but for jumbo frames in the network, the traditional preemption technology will still cause high delay, which cannot meet the deterministic transmission requirements of high-priority traffic

Method used

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  • Compatible network high-real-time data transmission device and method
  • Compatible network high-real-time data transmission device and method
  • Compatible network high-real-time data transmission device and method

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Embodiment Construction

[0023] 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.

[0024] Such as figure 1 Shown, a kind of compatibility network high real-time data transmission device, comprises the data link layer and the physical layer of OSI system, and described data link layer comprises MAC client and supports preemption function module and MAC merge module, and described physical layer comprises The coordination sublayer and the physical port PHY, the MAC client support preemption function module is connected with the MAC control module, the MAC merging module is connected with the coordination sublayer, and the physical port PHY is a physical transmission medium, which is connected with the coordination sublayer.

[0025] When the data is ...

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Abstract

A compatible network high real-time data transmission device and method, comprising a data link layer and a physical layer of an OSI system, the data link layer comprising an MAC client support preemption function module, an MAC control module and an MAC merging module, the physical layer comprising a coordination sublayer module and a PHY module, the method comprises the steps of slicing of low-priority data, packaging of low-priority frames, slice combination and combination verification, and can improve the processing compatibility of equipment of different manufacturers and data of different priorities through a frame preemption function of authentication equipment; according to the method, the overhead time for generating frame preemption in the transmission process of the high-priority data frame is effectively reduced, the large-bandwidth data flow transmission requirement in a network is effectively improved, the high-real-time transmission of discrete data is met, and the production efficiency of equipment is improved.

Description

technical field [0001] The invention relates to the technical field of data deterministic low-delay transmission, in particular to a compatible network high real-time data transmission device and method, which is compatible with the traditional low-delay transmission network in the industrial Internet field of large-bandwidth traffic transmission. Background technique [0002] With the development of Industry 4.0, intelligent manufacturing is the goal of leading the development of next-generation industrial technology, the scale of industrial Internet is getting bigger and bigger, cyber-physical systems are mainly controlled by computers, and more and more sensors and actuators are integrated in the network , in these physical control systems, such as the motion control of collaborative robots is highly time-sensitive, in order to ensure the deterministic behavior of the physical system under control, there needs to be a deterministic bounded network delay and real-time commu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L47/24H04L1/00H04L67/12
CPCH04L47/24H04L47/245H04L1/0061H04L67/12Y02P90/02
Inventor 赵许阳杨汶佼
Owner ZHEJIANG LAB
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