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Are You Ready for 5G?

The network technique in the new era calls for the development occurring to communication technology. A new generation of wireless mobile communication network, that is, 5G, has been expected due to its leading contribution to interconnection between things and network. 5G technology is expected to be massively applied in 2019 or 2020 and there’s a lot for you to learn about.

Why 5G?

5G, the abbreviation of the fifth generation, is strongly expected owing to the increasing of population and people’s increasingly higher requirement on speed and functions of communications. During 4G phase, people’s life has been greatly flourished due to the applications of mobile payment, smart phones, drones, robots etc. However, people want more.

Up to now, 5G has gone through three phases. The first phase aims to carry out full and deep research in order to acquire the essential of 5G technology. The second phase is to enact standards for the first phase. The third phase is the second development stage of the second phase to finally determine the complete version of the standard 5G. In addition, feasible suggestions can be made for operators based on their development rhythm catering to network progress.

5G is expected to be a must be towards Internet of everything and its pure technology and compatibility have been regarded as the core. 5G technology is capable of introducing more techniques and meeting demands for Internet of everything. Access ports should be redistributed and available frequencies should be made full use of.

Advantages of 5G Compared with Previous Gs

The obvious advantage of 5G technology lies in its support functions for other multiple types of business apart from the maintaining of voice and data business owned by previous Gs. As a result, 5G can be deeply fused with any other business to contribute to advent of numerous applications. Up to now, 5G technology has defined three leading application scenarios, that is, eMBB, URLLC and mMTC all of which have covered most scenarios in current life.

All the attributes of 5G will definitely influence all aspects of system design. For example, different attributes in different frequencies should be seriously considered when it comes to eMBB support. Spectrum effectiveness should be fully considered in low frequencies. In terms of high frequencies, beam is the key for the whole system since all static signals and communication channels together with dynamic process all take place in beam. As a result, beam administration plays an extremely significant role in high-frequency communication.

Features of 5G

5G network is created based on technological upgrading to compensate for disadvantages of 4G technology. Up to now, 5G technology is regarded as the most expected wireless network in the future. Under the background of information development around the world, big data has come near. As a result, wireless communication network has become breakthrough of Internet of everything. Accordingly, to build 5G network, mobile communication information transfer rate should not only be drastically increased, connection between 5G and multiple mobile devices should be optimized as well. Because intelligent technology and wireless network technology are both fundamental technologies for the building of IoT (Internet of Things), Internet of everything won’t be successfully achieved unless 5G network is well connected with multiple mobile devices. Based on such theory, the construction of wireless network terminals to better provide users with optimal service has become an important feature for 5G development in the future. Besides, 5G network should be able to contribute to deep optimization on wireless resource efficiency and to further solve the issues on low efficiency.

Application Scenarios of 5G

The 5thgeneration of mobile communication network is classified based on application scenarios results from expectation to be able to provide personalized service. Each application scenario calls for network with different requirement like frequencies, spectrum efficiency and peak value. In the phase from 4G to 5G, the key challenge lies in the issue whether the equipped rate demand can be met or not.

Application scenarios of 5G can be classified based on different standards, including augmented mobile broadband scenario, mass device communication scenario, ultra high reliability low latency communication scenario, mobile internet and mobile internet scenario, low latency high reliability scenario and low energy consumption huge connection scenario, etc.

Other Technologies of 5G

5G network also includes many advanced technologies, like SON technology, D2D technology, UDN technology and SDN technology.

• D2D

D2D is the abbreviated form of Device-to-Device. It is capable of supporting terminal devices to reuse community resources to improve 5G resource utilization and network capacity, to further increase mobile spectrum resource application effect and to improve robustness of networking infrastructures. Also, D2D is regarded as the key development trend of 5G network and can be better applied for IoT and IoV (Internet of Vehicles).


SON (Self-organizing Network) is capable of achieving 5G network distribution and operation automation such as network automatic optimization, automatic healing and automatic readjusting of network parameters. As a result, network performance and quality can be improved and running efficiency can be dramatically improved as well. Additionally, SON is capable of reducing human participation in network and the running efficiency of 5G network will be improved.


The advent of UDN (Ultra Dense Network) aims to overcome the problem of increasingly shrinking community radius under the background of dramatically enlarging of community density. UDN allows more mobile intelligent devices and users to get access to the Internet with wireless network traffic will go up as well. As a result, demands of billions of users can be effectively met in terms of access, largely contributing to diversity.


SDN (Software Defined Network) is a new type of advanced network structure, capable of implementing 5G mobile network virtualization. Making use of OpenFlow that is the core technology, 5G network can divide control surface and data surface of network devices and networking traffic can be flexibly controlled. As a result, 5G network can be upgraded into a more intelligent channel, providing a well-performed control platform for 5G core network and application innovation.

Development Trend of 5G

In future, the leading development trend of 5G goes in two directions: higher capacity and broader band, and more intelligent communication network.

5G mobile communication will lead more key technologies in like DBA (Dynamic Bandwidth Allocation), timeshare grouping calls, communication frequency division multiplexing etc. to improve user capacity of 5G mobile communication technology.

No matter how technology goes upgrading, the end terminals still depend on electronic devices. As a provider of electronic manufacturing service (EMS) around the globe, PCBCart has been ready for embracing 5G by providing custom high-quality manufacturing services to better lead electronic products to be able to serve 5G in the new era.

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