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5G backhaul will be the next growth point in optical communication field


According to industry sources, by 2020 5G standards established, 5G Mobile services will be officially opened. Previous generations of mobile communications first brought data and then transferred the video to a speech-only platform. And 5G will increase the support of the network traffic from IoT, and greatly improve the number of terminals. Although 4G LTE can be considered a substitute for wired broadband, the 5G powerful performance will be enough for some users to avoid Wi-Fi and directly use 5G services. Combined with the new mobile network traffic, resulting in an unprecedented surge in mobile traffic.

With the launch of 5G, this profound change in mobile service expectations is bound to create new opportunities for optical networks.

The latest analysis released by the CIR shows that 5G deployments will mean more fiber in the mobile backhaul, especially Pons. All this leads to the fact that fiber is the best solution for 5G deployment data rate and latency issues, while also diluting the reality that optical networks are often the most expensive backhaul solutions.

The overall investment in mobile backhaul is unlikely to increase over the next 10 years. However, the CIR estimates that nearly 60% of the world's mobile backhaul investments will be switched to light links in 2022, compared with 50% in 2017.

In view of the latest version of the 4G LTE mobile phone upload rate of mbps,5g terminal will need to provide a ten Gbps upload speed. Similarly, 4G LTE can achieve a 45 millisecond delay and a 5G delay of 1 milliseconds.

Not all 5G applications require these performance levels, but those 5G-specific advanced services, such as self-driving cars, augmented reality and virtual reality, require 1 milliseconds or less latency. In view of this, 5G backhaul is bound to be in the next 10 years for optical network business to bring new revenue. The CIR analysis shows that by 2026, the annual investment of 5G return fiber infrastructure will reach $1.5 billion trillion. Millimeter Wave (Mmwave) will also play the following important role: Providing impressive latency, cost reductions and so on. The 80GHz millimeter wave provides very low latency and 10Gbps data rates, but the transmission distance is only 3 kilometers.

In addition, other similar challenges will arise. For example, in the process area, CPRI data transmission is required through short distances and standard optical parameters such as time base jitter error, power loss, and latency. However, with the new cloud ran architecture extending to 25 km, some optical performance parameters have arisen, and this is intended to show that while optical fiber is an important factor in future 5G backhaul, its deployment is still uncertain.

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