5g network commercial refers to commercial applications. We use the three major operators of China Communications to find out the 5G network commercialization for the 5G commercial roadmap.
China Unicom: 2019 pre-commercial deployment
According to Ma Hongbing, deputy manager of China Unicom's network construction department, the entire China Unicom has not yet formed a very clear and unified opinion on 5G. "But I personally think that using the existing core network and upgrading the wireless network at the same time can smoothly support the new business model, which may also protect the needs of the original 4G investment, while meeting the requirements of the new business form. ."
"And 5G is not a one-time process. It needs to solve the gradual process of 4G to 5G. How to meet the new business form. Of course, it is very important to protect investment, and at the same time, the network can be effectively adapted." Ma Hongbing stressed.
From the overall timetable, China Unicom's energy is mainly to work with China Mobile and China Telecom to promote the IMT-2020 working group to promote the 5G test based on the Ministry of Industry and Information Technology.
However, considering the acceleration of the 5G process, China Unicom will also consider looking for 2-4 cities for 5G technical verification and networking verification in the second half of 2017 to do some preparatory work.
In 2018, in 5-6 cities, some scenarios will be combined according to the structure of the three-tier network, and the synergy between indoor and outdoor will be tested. In 2019, the overall size will be used for pre-commercial deployment.
In 2020, in line with the pace of the country, it is expected that a larger scale of 5G deployment will be carried out by 2020, which has a certain relationship with the demand for business and the situation of competition.
China Telecom: 5G pre-commercial business started in 2019
For the 5G timetable, China Telecom also has its own pace. It is clear that it will start some 5G pre-commercialization in 2019. The goal is to be able to deploy network and provide commercial services by 2020, and continue to promote the evolution of 5G after 2020.
In addition to the timetable, China Telecom has a relatively systematic study on 5G key technologies. For example, due to the higher 5G frequency band in the future, indoor coverage is a big problem. China Telecom attempts to cover the special area by using PON as a 5G transmission technology.
Massive MIMO will have a very big change in the future network construction. Therefore, China Telecom has begun to evaluate and test Massive MIMO.
In the multi-network convergence MulTI-RAT, because of the high requirements for multiple business continuity in a variety of user scenarios, although the traditional multiple mobile networks are no problem, it can be done very well through the core network, but the result is It is the time delay of the business and the customer experience will be very poor. Then it will not work in the case of 5G network. Therefore, China Telecom has continued to promote the integration of various access networks on the access network side. At present, LTE and WLAN aggregation have been implemented in the laboratory, which reflects the concept and implementation path of the initial MulTI-RAT.
China Mobile: 5G is a strategic opportunity for operators to transform and develop
Previously, China Mobile developed a 5G timetable: 5G technology trials, standard customization and product development will be launched in 2016; field trials will be launched in 2017 and 2018, and commercial-scale scale experiments will be launched; by 2020, China Mobile will According to the national plan, the scale of commercialization of 5G is completed.
At the summit, China Mobile did not mention the 5G timetable and focused more on the opportunities that 5G brought to operators. Yang Zhiqiang, vice president of China Mobile Research Institute, pointed out that 5G is a strategic opportunity for the transformation and development of operators.
In the past, operators used to sell connections and sell infrastructure. In the future, they also need to transform and sell sales services. This requires operators to have open, flexible, and on-demand service capabilities. It must be intelligent, schedulable, and Open network architecture. Therefore, the new 5G architecture design should promote the development of the network with the operators.
Carrier network reconfiguration is mainly divided into four aspects: node reconfiguration, network architecture reconfiguration, management/operation reconfiguration, and energy-saving function reconfiguration.
In Yang Zhiqiang's view, there are three key points in carrier network reconfiguration: first, cloudization, cloudization and resource pooling of infrastructure through the introduction of SDN/NFV; second, software definition for network functions; third It is to achieve intelligent management and operation and maintenance.
In the whole development process of 5G, the core network is a very important part of 5G. The 5G core network is not a simple technological evolution, but a technological leap. To realize these visions, the industry has a long way to go.
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