The Converged Transport Network Solution for 5G
Huawei has unveiled the converged transport network solution for 5G in the hands of Jeffrey Gao, president of Huawei’s Router & Carrier Ethernet Product Line, as part of the Mobile World Congress 2019 (MWC 19). The solution will serve to make a transport network compatible with all services, thus helping operators to drive the development of the 5G network through a simplified and rapid deployment. At the same time, the company has already signed more than 40 commercial contracts for the deployment of 5G.
The prediction of the GSMA association is that by the end of 2025, 1,300 million people worldwide will use 5G networks, while 1,360 million will use 5G devices. It means 40% network coverage of 5G. Transport networks must be well prepared to be compatible with 5G since they have three use cases: they have a bandwidth 10 times greater, are 10 times more complex in operations and maintenance (O & M, by its initials in English) of the network and, finally, accept 100 times more connections.
During the presentation, Jeffrey Gao, president of Huawei’s Router & Carrier Ethernet Product Line, said: “While building a 5G transport network, operators should take into consideration the business needs of the next decade. During this changing process, Huawei believes that there are three main standards which all operators should consider: affordable bandwidth update costs converged transport of 4G and 5G networks and automated O & M from end to end “.
In addition, he added: “The 5G will meet the needs of both individuals and vertical industries, and will admit new services such as virtual reality cloud and connected vehicles, among others. The future architecture of the 5G network will be built on data centers. So, the quality of the various innovative services requires that 5G networks guarantee high levels of service. Therefore, the industry should take advantage of the opportunities presented by the development of the 5G and build an All-in-one convergent transport network. “
Solutions for Scenarios with and without Fiber Access
The converged transport network solution for 5G was developed on the Huawei ‘s first 50GE router and the 5G microwave technology based on PAM4 (four-level pulse amplitude modulation). Which means 10 Gigabits per second (Gbps) for the sites and a total operating cost (TCO) by 30% lower. For scenarios with fiber access, the router supports two-way fiber transmission, which means a 30% cost reduction per bit and 50% less use of fiber resources. For the places where fiber access is not available, the 5G microwave technology of Huawei offers bandwidth access of 10 Gbps across all frequency bands. At the same time, it brings flexibility on capabilities of channel expansion.
Compatible with MPLS and SR Protocols
The converged transport network solution for 5G uses the first service routing solution (SR) and segment routing over IPv6 data plane (SRv6) available in the market, which allows a favorable evolution of the label switching multiprotocol (MPLS, for its acronym in English) and SR, without interference between the 4G and 5G networks. Since the Huawei solution is compatible with the MPLS and SR protocols, operators can use the SRs and SRv6 to implement end-to-end 5G services at the same time they use the MPLS protocol for 4G services. In this way, the continuity of the oldest services is guaranteed, while new ones are implemented.
The first cloud network engine (NCE) of Huaweihelps the integration of network control, management, and analysis, so this new solution is compatible with the automated O & M of the entire lifecycle, and throughout the transport network. In this sense, Huawei’s NCE also supports the control and unified management of both 4G and 5G transport networks. And replacing the man-machine interface it provides a machine-machine interface which relies on models. It means that telemetry and Artificial Intelligence technologies will allow the location and resolution of the fault to be completed in minutes, instead of hours.