Now in the motherland, more than 10000 5g base stations will be added every week. “

According to the latest data from the Ministry of industry and information technology, at present, the three major operators have opened more than 250000 5g base stations. It is expected that 600000 5g base stations will be opened by the end of this year, covering all prefecture level cities in China.

At the same time, according to the operation data released by the three major operators as of the end of May, the sum of 5g package users of China Telecom and China Mobile exceeds 80 million, and the rapid growth of user scale is amazing.

All this is inseparable from the efforts of operators and the strong support of industrial chain enterprises. As a trusted core value partner of the operator, Xinhua Group 3 under Ziguang is fully participating in the construction of the operator’s 5g network infrastructure. With a comprehensive and rich product portfolio, a more flexible and innovative infrastructure and a strong delivery, operation and maintenance capability, Xinhua Group 3 is getting more and more recognition. While effectively supporting the efficient deployment of the operator’s 5g network, We have also made fruitful exploration on 5g business model with operators.

Bearing first and building the cornerstone of 5g innovation

“5g business, bearer first”. In order to meet the new requirements of 5g business for network bandwidth, delay, slicing and intelligence, China Telecom began to study the 5g bearer network architecture and technical standards as early as 2017. After nearly three years of full demonstration and laboratory testing, STN was finally selected as the 5g bearer network technical standard of China Telecom.

In order to meet the actual needs of China Telecom in the planning and construction of 5g bearer network, Xinhua San actively participated in the technical verification and pilot work of China Telecom, and created an ad haul bearer network scheme with network performance, flexibility and reliability in 2018. It adopts a new end-to-end router technical architecture, converges and core equipment T-level platform, meets the high standard requirements of 5g, and provides a high-capacity and high-performance bearer network.

At the same time, in order to ensure 5g slicing capability and simplify network protocol and operation and maintenance complexity, China Telecom focused on the manufacturer’s support ability for flexe and srv6 in technical specifications and tests. Ad haul of Xinhua San has Sr / srv6 and other capabilities. At the same time, it relies on SDN controller and choreographer to realize the integration of network management and control, simplify operation and maintenance, improve the efficiency and level of network management, and meet the needs of China Telecom in an all-round way.

In 2019, China Telecom started the centralized purchase of STN equipment, and the whole series of Xinhua three passed the centralized purchase test. In 2020, Xinhua III will be shortlisted for China Telecom Group’s STN centralized procurement project on a large scale, entering 12 provinces and serving more than half of the major telecom southern business provinces.

Recently, Xinhua 3’s bearer network solution is being gradually deployed by provincial and municipal operators. Recently, China Telecom Dongguan Branch successfully completed the online access of stn-er. Xinhua III, as the supporting party, has built a solid foundation for Dongguan Telecom’s 5g bearing network and worked together to promote the innovation and construction of 5g network.

Metro reconstruction enables 5g integrated development

With the acceleration of 5g business, the services carried by man have changed. The traditional level by level convergence metropolitan area network architecture faces many challenges when carrying 5g large bandwidth, cloud, cloud network integration and SDN services. For example, multiple chimney systems have high construction cost; The interworking protocols of multiple systems are complex and the service opening is slow; It is difficult to realize end-to-end SDN by splicing multiple systems.

In order to solve the above challenges, China Unicom has proposed a new man architecture with fixed mobility integration, cloud network integration and virtual real combination for the 5g era. The new architecture will break the independent chimney network architecture and build an integrated bearer network platform. In order to verify the carrying effect of the new intelligent man on the whole service, China Unicom Group has carried out field pilot work in many provinces.

Since November 2018, Xinhua III and Chongqing Unicom have started the pilot work of new intelligent man technology verification. At the end of October 2019, Xinhua San and Chongqing Unicom newly built a new intelligent man architecture based on Sr + evpn, and completed the test contents of all projects and the verification of various services and functions in stages under the current network environment.

In 2020, China Unicom officially launched a series of centralized procurement of smart man. Xinhua III stood out again, and was shortlisted in the whole bid section of core layer, convergence layer and access layer for the first time. It surpassed some traditional equipment manufacturers and entered the first echelon of top3.

Recently, 5g SA network based on Xinhua 3 intelligent man solution has been launched one after another. With the assistance of Xinhua 3, Henan Unicom has successively completed the opening of 5g services in eight cities, including Luohe, Hebi, Sanmenxia, Xuchang, Zhumadian, Xinyang, Zhoukou and Jiaozuo. Xinhua 3 assisted Hebi Unicom to open the first 5g SA base station based on intelligent man, taking the lead in realizing 5g independent networking layout in Henan Province. At the same time, in Heilongjiang Province, Heihe Unicom helped Heilongjiang Province to complete the construction of all intelligent man in the city, and conducted BBU service test. Recently, Xinhua San also helped Shandong Dongying Unicom to open the first dual carrier base station based on SA networking, with a downlink speed of more than 2gbps. The successive launch of projects in many cities indicates that the new China three intelligent man solution is realizing the commercial landing of the whole line, and has been widely recognized and highly affirmed by operators.

Wireless openness accelerates 5g network transformation

The three high characteristics of 5g network greatly increase the cost of network construction and the difficulty of operation and maintenance. Under this background, it is necessary to introduce new technologies and schemes to reduce the difficulty of construction and network investment through scheme innovation. In this process, operators hope to reduce costs while giving the network maximum flexibility by introducing an open and decoupled it concept.

Insiders pointed out that 85% of 5g applications are indoor scenes. How to achieve coverage in indoor scenes and meet the indicators of high bandwidth, low delay and high reliability of 5g in indoor scenes has become a common concern of the industry. If you simply use macro stations, it is difficult to meet the coverage needs. Therefore, 5g cloud small stations and other innovative technologies and products are playing a more and more important role.

Taking China Mobile as an example, as early as 2019, China Mobile launched the trial production and centralized purchase of 4.9ghz vertical industry small station prru and Mau samples to explore the underlying products. As the only manufacturer to win the bid, Xinhua III deeply participates in it with its hard strength. It is understood that the 5g cloud station of Xinhua 3 can realize flexible deployment with it Cloud Architecture and white box design. It can reduce the network construction cost of operators through software and hardware decoupling, and can be deeply combined with industry applications.

Recently, the pilot work of China Mobile’s 4.9ghz vertical industry small station has made phased progress. China Mobile Research Institute, Zhejiang Mobile and Xinhua jointly launched a 4.9ghz small station application pilot, which fully verified the coverage and networking performance of 5g cloud small stations in industrial Internet and other application scenarios. Steadily promote the maturity of the 4.9ghz band industrial chain and the improvement of products, and promote the wide application and in-depth integration of 5g in the vertical 2B industry.

Xinhua San is active not only in 5g wireless network, but also in 5g core network users. Recently, China Mobile has actively promoted the development of 5g openupf, committed to building a reliable, manageable, flexible and open UPF, building an open industrial ecology and helping 5g enable vertical industries. Among the first batch of enterprises to participate in the plan, Xinhua is the third.

In addition, relying on the full stack layout in 5g and digital innovation, Xinhua III focuses on 5g edge integration solutions, and relies on the key technical advantages and infrastructure construction capabilities in 5g small base stations, MEC, cloud, AI, Internet of things and other fields to jointly promote the implementation of 5g government enterprise industry application scenarios with operators and industry application providers.

Decoupling and reconfiguration to help 5g cloud transformation

With the continuous rise of new technologies and services such as Internet of things, artificial intelligence and cloud computing, 5g has brought new challenges to operators’ network deployment. In this context, operators at home and abroad actively carry out network transformation, build a comprehensive cloud network for the future with the help of leading technologies such as SDN / nfv, realize the flexible deployment of business and go online quickly.

At present, the cloud resource pool traditionally built by operators has the problems of tight coupling of cloud network resources, binding with a single manufacturer, low deployment efficiency and high difficulty in operation and maintenance. At the same time, it also faces the challenges brought by the cloudization of 5g core network, large-scale public cloud business requirements and multi scenario networking. Therefore, the new cloud resource pool is open and decoupled, It also implements the 5gc core network element and related business support platform, which has become one of the main directions for the future construction of cloud resource pool of operators.

As a leader in cloud infrastructure and dc-sdn solutions, Xinhua III takes SDN solutions as the core, provides leading carrier grade dc-sdn solutions for operators according to the three cloud scenarios of operators, realizes the functions of flexible networking in multiple scenarios, simplified operation and maintenance, cloud core network, elastic deployment and open standards, and helps operators build a carrier grade data center with cloud and network decoupling.

Recently, Xinhua 3 successfully broke through the 5gc core network of China Unicom and became one of the core manufacturers of 5g core network cloud for the first time. At the same time, it overcame the impact of the epidemic, delivered goods on time, and efficiently completed equipment commissioning and business docking test to ensure the smooth launch of 5g business; In addition, it undertakes China Mobile Group’s network cloud and it private cloud SDN projects in eight regions. It shows the technical strength of Xinhua 3 as the main partner of network construction of operators to the industry.

Agile delivery enables efficient deployment of 5g

In the whole industrial chain of 5g, the technical capacity of products is only a part. In addition to strict requirements on product quality, operators pay more attention to delivery capacity and operation service capacity, which determines the overall deployment progress of 5g.

Xinhua San has made gratifying achievements in the centralized purchase of 5g core network, bearer network, wireless network and other main equipment of the three major operators. In addition to its excellent product technical capability, a large part of the reason also comes from its agile end-to-end delivery capability.

Taking Heihe Unicom as an example, in order to meet the business needs of the third Heilongjiang Tourism Development Conference in August, the construction period of Heihe Unicom’s intelligent metropolitan area network project was urgent. After Heihe liberalized the quarantine policy, the three Xinhua teams quickly entered the site, completed the commissioning of all core and convergence equipment in the city in a short time, and cooperated with BBU for business testing, It has become the first Prefecture in Heilongjiang Province to complete the construction task of intelligent man project. In addition, in the cooperation with Luohe Unicom, under the time pressure and supply pressure, assist Luohe Unicom to complete all the online work at the core convergence level four days in advance.

In the construction and operation and maintenance of 5g existing network, multi vendor cooperation is inevitable. Taking Sanmenxia Unicom as an example, because Sanmenxia intelligent metropolitan area network, wireless network and provincial SA core network belong to different manufacturers respectively, the docking work of different manufacturers is facing great difficulties. Therefore, Sanmenxia Unicom conducted joint commissioning with Xinhua III and other manufacturers, and finally went online successfully.

In addition, the same is true for the launch of Dongguan Telecom stn-er. In order to minimize the impact on the current network business, the equipment cutover is generally carried out in the early morning. At the same time, complete scheme planning and multi-party cooperation are required in the early stage. The whole process needs a complete delivery team to solve the problem efficiently. The successful launch of the first stn-er equipment of Dongguan Telecom not only demonstrates the overall delivery capacity of Xinhua III, but also provides valuable online and cutover experience to all cities.

Of course, the reason why Xinhua 3 has gained more and more recognition from operators is not only its product portfolio, infrastructure and delivery operation and maintenance capability, but also its development concept and value insight in the 5g era, which coincides with operators. As Ke Ruiwen, chairman of China Telecom, said, 5g has introduced Cloud Architecture and technology to realize great changes in mobile network architecture. The essence of cloud network integration is the integration of it and CT, which not only meets the transformation requirements of operators’ networks, but also better provides comprehensive intelligent information services. Building an intelligent and open cloud network integration infrastructure is the advantage of xinhuansan, which provides a solid foundation for realizing network cloud, business cloud and capability cloud, and empowers the digital future in the 5g era.

Editor in charge: PJ

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