Cloud chain and blockchain
On June 6, 2019, China Telecom, China Mobile, China Unicom and China Radio and television, which are the most popular 5g procts, ushered in new progress and won the first batch of 5g commercial licenses issued by the Ministry of instry and information technology. Since then, China has officially entered the 5g era, and 2019 is also recognized by practitioners as the "first commercial year" of 5g
on December 7, 2018, MIIT agreed that China Unicom Group would use 3500mhz-3600mhz frequency from the date of notification to June 30, 2020 to carry out the fifth generation mobile communication (5g) system test nationwide
on December 10, the Ministry of instry and information technology officially announced that it has issued the license to use the medium and low frequency test frequency of 5g system to China Telecom, China Mobile and China Unicom. This means that the frequency resources that the basic telecom operators must use to carry out 5g system test are guaranteed, which sends a clear signal to the instry and further promotes the maturity and development of China's 5g instry chain
extended data:
network features:
1. The peak rate needs to reach the Gbit / s standard to meet the high-definition video, virtual reality and other large data transmission
2. The delay level of air interface should be about 1ms to meet the real-time applications such as autopilot and telemedicine
3. Large network capacity, providing the connection capacity of 100 billion devices, meeting the requirements of Internet of things communication
4, spectrum efficiency is more than 10 times higher than LTE
Under continuous wide area coverage and high mobility, the user experience rate can reach 100mbit / s The flow density and connection number density increased significantly