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OPPO Vice President: Where will the 5G killer app appear?

In June this year, the Ministry of Industry and Information Technology of China officially issued China's domestic 5G commercial license. According to Liu Chang, dean of the OPPO Research Institute, the official issuance of 5G licenses can greatly promote the development of the entire industry chain including equipment manufacturers, operators, terminal manufacturers and application developers.

Chinese mainland media Sina Finance Beijing time on July 12 reported that 5G in the end what are the advantages? Which industries will it subvert? What is the change in tariffs compared to 4G? What is the status of China's 5G in the world?

The report interviewed Liu Chang, vice president of China's smartphone manufacturer, and Liu Chang, dean of the institute. "The 5G license is like a starting gun, marking the final sprint of 5G industrialization.

Technically, 5G applications include three major scenarios, eMBB, URLLC, and mMTC, which provide higher bandwidth, higher speeds, and lower latency. Liu Chang gave a popular example to explain the application of 5G. In terms of highways, high bandwidth is analogous to lanes. The high rate is analogous to whether the highway is speed limited. Is the low delay analogous to whether it will be on this highway? There are traffic jams and traffic congestion.

"If we say that we are expanding the lane by 5 times and 20 times on the existing highway, we will limit the speed to 200 km/h or even 300 km/h, and this highway is not delayed. It will give us great travel and great convenience to the whole society." Liu Chang said.

However, for mobile phone manufacturers, there are still some controversies about the 5G application scenario. Some industry insiders believe that there is no killer application that can drive users to replace 4G phones with 5G phones.

“This is a process of chicken first or egg first.” Liu Chang said that reviewing the past generations of communication technologies, such as from 3G to 4G, is also the preparation of the first technology, and then the birth of the super-applications. For the specific application scenario of 5G, he cites, for example, a high rate. In video applications, the time it takes to download a high-definition movie may be shortened from the previous ten minutes to a few seconds, and online viewing can also be unbuffered. “It can help us to have a great experience improvement in our daily life and entertainment.”

Liu Chang even gave a scene similar to the sci-fi movie. OPPO is studying the new 3D technology, which can be used to talk in front of the real person during the video call, to achieve the immersive feeling. The arrival of these technologies and scenarios requires the foundation of 5G infrastructure. "I believe that after the 5G infrastructure is perfect, there will be many super applications that can be accepted by users."

Compared with 4G mobile phones, the development of 5G mobile phones faces different challenges, such as antenna design, power consumption, performance design, and stacking of the whole machine. 5G mobile phones will add a lot of devices compared to 4G mobile phones, but the size of mobile phones will not increase, so it is necessary to do a lot of work in device integration, stacking, layout design, and optimize the performance of the antenna. Although China's Ministry of Industry and Information Technology has issued 5G licenses, the current operator network is still in its infancy, and China's domestic 5G handsets have not yet been officially commercialized.

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