1. research background: the development of mobile communication technology. Since 1980s, mobile communication technology has experienced many technological leaps from 1G to 4G. At present, the world is in a critical period of transition from 4G to 5G, and the research and application of 5G technology has become an important development direction in the global communication field.
2. Research purposes: Promote the popularization of 5G technology, improve network quality and efficiency, and enhance national competitiveness. Through the research on the penetration rate of 5G, we can understand the current popularization and application of 5G technology, find out the existing problems and bottlenecks, and put forward corresponding solutions and development suggestions. Through the research on the quality and efficiency of 5G network, we can find out the key factors that affect the network performance, put forward the optimization scheme, improve the network operation efficiency and provide better service experience for users. Through the in-depth research and development of 5G technology, the country's scientific and technological strength and innovation ability can be enhanced, and the country's competitiveness in the global communication field can be enhanced.