First, the concept of 5G
5G represents the evolution and revolution of mobile technology and can achieve a number of high-level goals released so far.5G is widely regarded as the next generation of wireless technology that will allow cellular networks to expand to new USES and vertical markets.5G could also bring cellular networks into the world of machines, such as driverless cars, and connect millions of industrial sensors and wearable electronics.Different from 2G, 3G and 4G systems, 5G is a general term for the integrated solutions after the technical evolution of existing wireless access technologies (including 2G, 3G, 4G and WiFi) and the newly added supplementary wireless access technologies. 5G will be a truly integrated network.This unified standard of integration will provide high-speed, safe and free connection between people, people and things, and between things.
Ii. Main features of 5G
5G has the following characteristics: a) the network architecture of 5G will be further flattened, which will be a large server cluster superimposed by a powerful base station;More modern, such as c-ran (centralized processing of residential access network) architecture.B) 5G base stations will be more miniaturized and can be installed in various scenarios;With more powerful functions, traditional sink nodes will be removed.C) the network speed of 5G network will be greatly improved, which is 100 times faster than the peak transmission rate of 100 Mbit/s of 4G/LTE.C) 5G network shall meet the requirements of ultra-large bandwidth, ultra-high capacity, ultra-dense site, ultra-reliability and access anytime and anywhere.
Three, the conclusion
With the explosive growth of mobile Internet and Internet of things business in the future, 3G, 4G and other communication networks can no longer meet the growing communication needs of society.5 g will with its salient features and technical advantages and the pattern of sustainable development, meet the demand of mobile data growth in the future more than one thousand times, and will provide users with optical fiber access rate and time delay of the use of experience, billions of connection equipment capacity, super high traffic density and the connection number density, the mobility of services and more scene, make all kinds of business and user perception of intelligent optimization, and for the future network one hundred times the energy efficiency of ascension.At present, the industry has reached a consensus that 5G will be commercially available around 2020 globally.To achieve this goal, 3GPP has launched research on 5G standards in early 2016, completed the first version of 5G technology standard containing some functions in 2018, and will complete the complete 5G standard meeting the requirements of ITU by the end of 2019.It is believed that under the unified leadership and organization of the national 5G promotion group, the synchronous promotion of 5G in China will make smooth progress.
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