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High-reliability combining and forwarding method for multi-path full duplex serial port

A forwarding method and full-duplex technology, applied in the field of network communication, can solve problems such as weak anti-interference ability of serial port transmission, complicated cable connection, and large number of reserved interfaces, and achieve strong system error correction ability, high bandwidth, and good performance. Effect of DC Balance Characteristics

Active Publication Date: 2020-02-25
TIANJIN JINHANG COMP TECH RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003]1) The cable connection between devices is complicated, requiring a large number of reserved interfaces;
[0004]2) The expansion method of the host interface is complicated;
[0005]3) The processing host is deployed in a high-interference environment, and the serial port transmission itself has weak anti-interference ability;

Method used

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  • High-reliability combining and forwarding method for multi-path full duplex serial port
  • High-reliability combining and forwarding method for multi-path full duplex serial port

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0090] Examples of the present invention are figure 1 and figure 2 shown.

[0091] The specific process of sending data is:

[0092] The data received by the serial port is encapsulated into data packets according to the specified packet format and stored in the packet generation module.

[0093] The data packaged by the packet generation module is input into the module for encoding according to the input data bandwidth requirement of the RS encoding module.

[0094] The encoded data is divided into single-byte data streams by the slicing module and delivered to the 8b / 10b encoding module to obtain the DC balance characteristics of the data stream.

[0095] The parallel-to-serial conversion module converts the 10-bit data with DC balance characteristics into a 1-bit data stream and sends it to the single-ended to differential module.

[0096] The single-ended to differential module is responsible for realizing the sending action of the physical layer.

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PUM

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Abstract

The invention belongs to the technical field of network communication, and particularly relates to a high-reliability combining and forwarding method for a multi-channel full duplex serial port, whichis suitable for being applied to wired communication between PCBs (Printed Circuit Boards) with certain distance requirements in comparison with the prior art. The technical scheme can be realized byutilizing modern relatively convenient programmable logic device deployment, and can also be realized by adopting a customized ASIC (Application Specific Integrated Circuit) mode, so that the systemcan be flexibly and conveniently helped to solve the problems. In addition, the technical scheme has relatively strong system error correction capability; the method has a better direct current balance characteristic, so that accurate deserialization can be realized at a receiving end of high-speed serial communication; and meanwhile, higher bandwidth can be provided.

Description

technical field [0001] The invention belongs to the technical field of network communication, and in particular relates to a highly reliable combining and forwarding method of multi-channel full-duplex serial ports, which is suitable for wired communication between PCB boards requiring a certain distance. Background technique [0002] In the field of industrial control, the serial port is a common communication interface, which is used for data transmission with small transmission bandwidth and no real-time requirements. For control system devices that require multiple serial port connections, there are several problems: [0003] 1) The cable connection between devices is complex, requiring a large number of interfaces to be reserved; [0004] 2) The expansion mode of the host interface is complicated; [0005] 3) The processing host is deployed in a high-interference environment, and the serial port transmission itself has weak anti-interference ability; Contents of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H04L5/14H04L25/49
CPCH04L1/0057H04L1/0061H04L25/4908H04L5/14
Inventor 鲁毅曾永红付彦淇王晓璐王晖赵斌
Owner TIANJIN JINHANG COMP TECH RES INST
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