Application 5G Construction of Special Scene

  • Source: eahison
  • Date:03/07/2019

On February 18, 2019, Shanghai Mobile officially launched the construction of 5G network at Hongqiao Railway Station to meet the needs of high-speed Internet access and 4K HD video service in dense crowds.

Shanghai Mobile and Huawei demonstrated the 5G DIS indoor digital system capability, with a peak rate exceeding 1.2Gbps, and demonstrated applications such as smart robots asking for directions and food delivery through 5G networks.

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Indoor Application of 5G Construction

Railway station, subway station and studio of Spring Festival Gala all have one thing in common - indoor.

The early goal of 5G is to release 4G network traffic pressure, while subway stations, railway stations, airports, etc. are user-intensive areas, which are large traffic scenarios. 5G must first solve the problem of slow Internet access in these places.

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1. Indoor coverage is the key battlefield in 5G era.

More than 70% of 5G applications such as HD video, AR/VR, smart home and so on occur indoors. Therefore, deep cultivation of indoor coverage and application innovation are the key to commercialization of 5G.

2. Indoor coverage is a new pain point of 5G.

The 5G higher frequency band signal is more difficult to cover the room from the outside through the wall, and new indoor coverage is needed. The passive components of the traditional room are large in the 5G mid-band loss, which is difficult to meet the performance requirements and needs to be replaced. At the same time, for MIMO multi-channel evolution, traditional passive rooms need to add multiple RF feeder channels, the project will become more and more complex, and the expansion is more and more difficult, and it cannot be upgraded in the future.

Therefore, in order to solve the current pain point and face future applications, operators take the lead in laying out 5G in indoor scenarios such as subway stations and railway stations.

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Layout Indoor Digital System

Solving 5G indoor coverage requires a simpler, more flexible and easy-to-upgrade indoor digital system.

Compared with the traditional indoor division, the indoor digital system has three core advantages: head-end digitization, cable IT and operation and maintenance visualization.

1) Head-end digitization

From passive antenna to active RRU, digital antenna can support multi-frequency, multi-mode and multi-antenna technology to realize flexible experience management and smooth evolution.

2) Cable IT

Evolution from feeder to network/optical fiber, decoupling of network and optical fiber with frequency band, can support ultra-large transmission bandwidth, facing 5G evolution.

3) Operational Visualization

Evolution from black box to E2E visual operation and maintenance, thus realizing the ability of operation and maintenance as well as traffic visualization, helping operators improve the efficient management of indoor coverage network and experience, achieve manageable and controllable, and realize intelligent operation and maintenance.

In short, 5G indoor digital system supports multi-band, solves the complexity of traditional indoor system, supports MIMO multi-channel evolution, supports visualization operation and maintenance, and supports the development of 5G multi-service in the future. It just solves the current pain point and grasps the diversified 5G indoor business in the future.

5G DIS is a 5G indoor digital system with these capabilities.

As early as February 26, 2018, at the 2018 World Mobile Communication Congress (MWC) held in Barcelona, Huawei officially released 5G LampSite, the first 5G+LTE integrated indoor base station in the industry, marking the beginning of digital indoor coverage in the 5G era.

Subsequently, Huawei's 5G DIS indoor digital system was frequently launched, such as a star in the 5G indoors that was fascinated by the fascination.

In September 2018, considering the importance of indoor in 5G era, the IMT-2020 (5G) propulsion team added indoor coverage in the third stage of 5G technology research and development test. Huawei took the lead in launching the 5G indoor coverage test project based on NSA networking. Its 5G LampSite equipment successfully completed the test, and the downlink rate reached 1.46 Gbps.

In December 2018, in the third phase of China's 5G technology research and development test, Huawei 5G LampSite took the lead in completing all the test projects of the performance and function of 5G SA independent networking. Under the C-band 100MHz bandwidth, the downlink rate of single user is close to the theoretical peak.

On January 3, 2019, Jiangsu Mobile, together with Huawei, took the lead in opening the world's first 5G indoor digital system based on 2.6G band in Lushan Road Business Hall in Nanjing, which enables users to truly experience the indoor 5G extreme speed network.

On January 7, 2019, Beijing Telecom, together with Huawei, successfully implemented 360-degree 4K live video broadcasting service under 5G network by deploying 5G indoor digital system.

On January 10, 2019, China Mobile Beijing Co., Ltd and Huawei jointly opened the first 5G indoor digital system in Beijing in the CCTV Building.

On January 27, 2019, Beijing Unicom United Huawei Co., Ltd. deployed 5G indoor digital system in CCTV headquarters, cooperating with CCTV ultra-high definition video VR live broadcasting.

Based on self-developed chips, 5G DIS products introduce industry-leading technologies such as integrated design and highly integrated antennas. They have the ability to deliver in batches. This is the invisible driving force behind the first wave of 5G indoor construction.

Facing the future of the indoor market, the “5G+” digital indoor coverage wave has entered the stage of the times.

Today, the 5G train station is coming! I believe that it will not take long, a wave of 5G hospitals, 5G schools, 5G airports, 5G shopping malls, 5G parks, 5G... will be applied to special scenes in different fields!

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