High-efficiency and high-bandwidth communication method and system

A technology of a communication system and a communication method, which is applied in the field of high-efficiency and high-bandwidth communication methods and systems, and can solve problems such as communication collisions and inability to dynamically adjust the order of data, so as to improve bandwidth utilization, high real-time performance and availability, and solve bandwidth problems. underutilized effect

Active Publication Date: 2020-07-31
ZHEJIANG SUPCON RES
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The method of sending according to a fixed time slice has the above-mentioned defects of EPA distributed communication. At the same time, the device can only send in order, and there is no way to dynamically adjust...

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  • High-efficiency and high-bandwidth communication method and system
  • High-efficiency and high-bandwidth communication method and system
  • High-efficiency and high-bandwidth communication method and system

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Embodiment Construction

[0037] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0038] This embodiment discloses a high-efficiency and high-bandwidth communication method, which is applied to an efficient and high-bandwidth communication system. The communication system includes: several communication devices, each of which has a unique physical ID; Each of the aforementioned communication devices periodically communicates through a communication link (such as data collection and scanning, transmission interaction, execution response, etc.).

[0039] Wherein, the method includes: ...

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Abstract

The invention provides a high-efficiency and high-bandwidth communication method, which is applied to a high-efficiency and high-bandwidth communication system, the communication system comprises a plurality of communication devices, and each communication device is provided with a unique physical ID; communication is periodically carried out through a communication link; the method comprises thefollowing steps that: communication equipment sends data frames in sequence according to the priority of data in each communication period; when the equipment sends the data frame, whether data needsto be sent or not in the next communication period in the data frame is declared, and the data priority is informed; in each communication period, the equipment without the data to be sent declares whether the data to be sent exists in the next communication period or not and the priority of the data after other equipment with the data to be sent finishes sending; and after obtaining the physicalIDs of the senders of all the data frames in the communication period and the corresponding priorities of the to-be-sent data, each equipment judges the data sending time point of the equipment itselfin the next communication period.

Description

technical field [0001] The invention belongs to the fields of communication and industrial control automation, and in particular relates to a high-efficiency and high-bandwidth communication method and system. Background technique [0002] There are many types of existing industrial network communication buses and mechanisms. Typical mechanisms include master-slave communication, arbitration communication, and distributed communication, such as POWERLINK, CAN, and EPA. However, due to mechanism limitations, these communication buses cannot fully utilize the network bandwidth. POWERLINK uses a master-slave question-and-answer mechanism for communication. Every data interaction requires a handshake between the master and the slave. As a result, one data interaction requires two round-trip data transmissions, and only half of the bandwidth data is valid data. CAN adopts the arbitration mechanism, which has uncertainty, and the device arbitration backoff and repetition wastes a...

Claims

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Application Information

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IPC IPC(8): H04L12/40H04L12/44H04L29/08
CPCH04L12/40143H04L12/44H04L67/61
Inventor 童庆肖力田吴涧彤董强袁启平王坚金伟江傅盼盼张莹陆盛康
Owner ZHEJIANG SUPCON RES
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