From the course: 5G Architecture, Design, Protocols, Evolution, and Deployment

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Transport network architecture

Transport network architecture

From the course: 5G Architecture, Design, Protocols, Evolution, and Deployment

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Transport network architecture

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(bright music) - [Instructor] 5G introduces massive increase in both performance expectations and service diversity. For example, the peak data rates are going up to 20 times higher than in 4G, and the latency must be 10 times lower, especially for ultra reliable low latency communication. Now, to meet these demands, 5G introduces a evolved transport network architecture, three distinct segments. One is the fronthaul, second is midhaul, and third is backhaul. Now, in 5G, the traditional CPRI interface is replaced with enhanced CPRI, in this case, to address new requirements. It supports up to 50 Gbps of throughput. The latency here can be achieved as low as 0.1 millisecond. It is more efficient and packet-based, which is reducing bandwidth overhead, compared to the legacy CPRI protocol. It carries only selected functions because of the functions plating between RU and DU. And this allows more flexible deployment of DU at cell sites or at edge locations. Now, the new segment in case of…

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