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Slow frequency-hopping communication experiment system of industrial multi-hop link

An experimental system, slow frequency hopping technology, applied in the experimental system field of industrial multi-hop link slow frequency hopping communication, can solve the problem that wireless communication is difficult to guarantee line-of-sight transmission channels, and achieve good deployment flexibility and scalability, Guaranteeing the effects of simulation performance

Inactive Publication Date: 2013-01-02
SUZHOU UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] In large-scale industrial production, process equipment is dense, and wireless communication is difficult to ensure line-of-sight transmission channels. Field instruments generally need to communicate and network in a multi-hop manner

Method used

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  • Slow frequency-hopping communication experiment system of industrial multi-hop link
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  • Slow frequency-hopping communication experiment system of industrial multi-hop link

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Experimental program
Comparison scheme
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Embodiment

[0022] An industrial multi-hop link slow frequency hopping communication experimental system, the system includes an industrial wireless multi-hop communication link, a serial port / ZigBee gateway, a monitoring host, and the industrial wireless multi-hop communication link includes several A communication node with a communication function, each communication node is equipped with an experimental antenna and a monitoring antenna, and the monitoring host is connected to a serial port / ZigBee gateway through a serial port.

[0023] The communication node takes a 32-bit microcontroller MCF52233 as the core, and is equipped with two radio frequency transceivers composed of an 8-bit microcontroller MC13213 and an antenna circuit, as well as basic peripheral circuits, as shown in the attached figure 2 shown.

[0024] MCF52233 is a 32-bit microcontroller chip, which integrates 256Kflash, 32KRAM, general-purpose I / O, etc. on the ColdFire V2 core, as the main controller of the communica...

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PUM

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Abstract

The invention discloses a slow frequency-hopping communication experiment system of an industrial multi-hop link. The system comprises an industrial wireless multi-hop communication link, a serial port / ZigBee gateway and a monitoring host, wherein the industrial wireless multi-hop communication link comprises a plurality of communication nodes having a slow frequency-hopping communication function, each of the communication nodes is provided with an experimental antenna and a monitoring antenna, and the monitoring host is connected with the serial port / ZigBee gateway through a serial port. According to the system, dual antennas are arranged on the communication portion, communication nodes are provided with an experimental antenna system and a monitoring antenna system, and the experimental antenna system and the monitoring antenna system are separated from each other and are used for link experiment communication and gateway communication respectively, so that the experiment monitoring and the statistic analysis process do not occupy link communication resources basically, and the simulation performance of the experiment process is guaranteed; and a monitoring computer system monitors and sets each of the communication nodes through wireless communication, so that the experiment system is good in deployment flexibility and expandability and has application and popularization values.

Description

technical field [0001] The invention relates to a communication experiment system, in particular to an experiment system for industrial multi-hop link slow frequency hopping communication. Background technique [0002] In large-scale industrial production, process equipment is dense, and wireless communication is difficult to ensure line-of-sight transmission channels. Field instruments generally need to communicate and network in a multi-hop manner. On the other hand, at present, industrial wireless communication generally adopts multi-channel communication, such as wireless HART, SP100, etc., all use 16 channels, and the slow frequency hopping technology is used in the communication process, that is, it automatically switches to a new channel when the current channel is interfered communication. In this case, industrial wireless communication is often a multi-hop and slow frequency hopping process, which often involves complex processes such as time scheduling, channel al...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B17/00H04B1/713
Inventor 许洪华刘科
Owner SUZHOU UNIV OF SCI & TECH
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