5G中对BBU进行了拆分，引入了分布单元DU和集中单元CU的概念，使得

In 5G, the BBU is split and the concept of distributed unit DU and centralized unit CU is introduced, which makes the RAN networking mode more flexible <BR>. From the perspective of transmission, the D-RAN architecture adopts a distributed deployment method and requires a lower number of ports. As far as possible, use box-type equipment to transmit <BR>C-RAN architecture. Use centralized deployment to require high port density and concentrated traffic. Use distributed equipment with high hardware redundancy and high port density as much as possible

The BBU is split in 5G, and the concepts of distribution unit DU and centralized unit CU are introduced, which makes the LAN networking method more flexible<BR>From a transport perspective, the D-RAN architecture requires less port numbers in a distributed deployment approach, using as many cartridges as possible<BR>The C-RAN architecture uses a centralized deployment approach that requires high port density and traffic concentration, using distributed devices with high hardware redundancy and port density as much as possible

In 5g, the BBU is split, and the concepts of distributed unit Du and centralized unit Cu are introduced to make the ran networking mode more flexible<BR>From the point of view of transmission, d-ran architecture adopts distributed deployment mode, which requires less ports, and uses box device transmission as far as possible<BR>C-ran architecture adopts centralized deployment mode, which requires high port density and concentrated traffic, and adopts distributed devices with high hardware redundancy and high port density as far as possible<BR>