Views:69 Author:Site Editor Publish Time: 2021-02-27 Origin:Site
5G is the abbreviation of the fifth generation mobile communication technology. It is the latest generation of cellular mobile communication technology. It is also an extension of 4G (LTE-A, WiMAX), 3G (UMTS, LTE) and 2G (GSM) systems. 5G's performance goals are high data rate, reduced latency, energy saving, cost reduction, increased system capacity and large-scale device connectivity. The first phase of the 5G specification in Release-15 was designed to accommodate early commercial deployment. The second phase of Release-16 will be completed in April 2020 and submitted to the International Telecommunication Union (ITU) as a candidate for IMT-2020 technology. ITU IMT-2020 specification requires a speed of up to 20 Gbit/s, which can achieve wide channel bandwidth and large capacity MIMO.
Development Background of 5G Technology
In recent years, 5G, the fifth generation mobile communication system, has become a hot topic in the communication industry and academia. There are two main driving forces for the development of 5G. On the one hand, 4G, the fourth generation mobile communication system represented by the long-term evolution technology, has been fully commercial, and the discussion on the next generation technology has been put on the agenda. On the other hand, the demand for mobile data is exploding, and the existing mobile communication system is difficult to meet the future demand, so it is urgent to develop a new generation 5G system. In order to build a high-speed and stable 5G network, we need to use high-quality network accessories, such as fiber optic patch cord, duplex patch cords, fiber optic terminal box, etc.
The development of 5G also comes from the growing demand for mobile data. With the development of mobile Internet, more and more devices are connected to the mobile network, and new services and applications emerge in endlessly. The global mobile broadband users are expected to reach 9 billion in 2018. By 2020, it is estimated that the capacity of mobile communication network needs to be increased by 1000 times on the current network capacity.
The surge of mobile data traffic will bring severe challenges to the network. First of all, it is difficult to support the growth of mobile network capacity according to the current network capacity. Secondly, traffic growth will inevitably bring about further demand for spectrum, while mobile communication spectrum is scarce, and available spectrum is distributed in large span and fragmentation, which makes it difficult to achieve efficient use of spectrum.
In addition, in order to improve the network capacity, it is necessary to use network resources intelligently and efficiently, such as using high-quality network 4 port fiber termination boxes, 2 port fiber termination boxes, lc sc patch cables and other network accessories, as well as intelligent optimization according to the business and user's personality. Finally, the future network is bound to be a heterogeneous mobile network with multiple networks. In order to improve the network capacity, we must solve the problems of efficient management of various networks, simplify interoperability, and enhance user experience. In order to solve the above challenges and meet the growing demand of mobile traffic, it is necessary to develop a new generation of 5G mobile communication network.
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