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HomeCommon ProblemWhat is the difference between 5g and 4g

With its high speed, low latency, high reliability and low power consumption, 5G will show its talents in smart cities, driverless driving, telemedicine and other aspects.

What is the difference between 5g and 4g

So what are the differences between 5G and 4G. (Recommended learning: PHP video tutorial)

Speed ​​is greatly improved

The theoretical rate of 5G network has reached 10G , downloading a 1G movie can be done in a few seconds. When 5G is officially commercialized, the wireless access download rate can reach about 1G. Compared with the current theoretical rate of 4G LTE network is 150Mbps, which is usually used at around 50Mbps, there is a qualitative improvement;

When two users under the same 5G base station communicate with each other, the data will not be forwarded through the base station. They will only exchange simple signaling and be sent directly from one mobile phone to another, saving air resources and speeding up the information dissemination rate. .

More dense base stations

Most 4G base stations use macro base stations, which are what we usually call iron towers, and can achieve coverage of several kilometers; 5G The network uses millimeter wave technology, which uses higher frequencies than 4G. It has small coverage, poor diffraction ability, and weak anti-interference ability. Covering the same area, the number of 5G base stations is dozens of times that of 4G base stations;

From 4G to 5G, the carrier frequency has increased significantly, the capacity of hotspot areas has increased thousands of times, macro base stations have become increasingly unable to cope, and dense networking of small base stations will become the mainstream in 5G.

Larger MIMO

In the 4G network, each base station has up to 8 antennas. 5G network uses higher frequency electromagnetic waves. In order to improve signal strength and transmission efficiency, 5G base stations use small antennas to form antenna arrays. Each antenna array is distributed with hundreds of antennas;

The antennas of 5G mobile phones will also be reduced accordingly, using an antenna array to support higher frequencies and higher access rates.

In short, for users, the biggest difference between 4G and 5G is that the network speed has increased, 5G has wider applications, 4G changes life, and 5G changes society.

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