5G industrial application - Internet of things
5G industrial application - Internet of things
5G industrial application - Internet of things

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In the future, 5G will be widely used in all aspects of life. At present, scenes that cannot be satisfied by 4G communication technology, such as self-driving cars, unmanned aerial vehicle flight, 5G VR/AR, mobile medical treatment, and remote operation of complex automation equipment, will be where 5G shows its strength.



In the case of autonomous driving, it is assumed that the car driving at a speed of 120 kilometers per hour will have traveled 1 meter if 4G communication delay occurs. This distance is enough to cause an accident, but under the condition of 5G communication, the car will have traveled only a few centimeters.



With the advent of 5G, its high bandwidth and low delay will help high-end VR devices get rid of the shackle of data transmission line. The edge computing technology introduced by 5G, combined with the characteristics of high bandwidth, not only improves the rendering quality of content, but also greatly reduces the hardware cost of head display.



Let's have a detailed look at the application scenarios of 5G in the intelligent manufacturing environment: in the intelligent manufacturing automation control system, the application of low time delay is particularly extensive, such as the environmentally sensitive and high-precision manufacturing link, the chemical dangerous goods production link and so on. Sensors in intelligent manufacturing closed loop control system (such as pressure, temperature, etc.) to obtain the information need to pass through the extremely low latency network, the final data need to be passed to the execution of the system components (such as: mechanical arm, electronic valve, heater, etc.) complete the high accuracy control of production operation, and in the whole process need very high network reliability, to ensure the safety of the production process efficiency.



In addition, the working range of the automation control system and sensing system in the factory can be from hundreds of square kilometers to tens of thousands of square kilometers, or even distributed deployment. Depending on the production scenario, there may be tens of thousands of sensors and actuators in the production area of the manufacturing plant, supported by the massive connectivity of the communication network.



Automatic control is the most basic application in manufacturing plant. During the control cycle of the system, each sensor makes continuous measurement, and the measurement data is transmitted to the controller to set the actuator. Typical closed-loop control process cycle is as low as ms level, so the time delay of system communication needs to reach ms level or even lower to ensure that the control system can achieve accurate control, and at the same time, it has very high requirements for reliability.


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