Because the RNC layer is omitted, the 4G LTE network structure is simpler and flatter, and the flexible scheduling ability of network services is improved. At the same time, due to the introduction of S1 and X2 traffic, eNB needs to establish connecttion with different SGW/MME and X2 connection between adjacent eNB. The transport network needs L3 function to divert the traffics. In addition, because of the coexistence of 3G, 4G and 4GLTE devices, the transport network should consider the unified access of multiple scenarios.

4G LTE backhaul

    ChenXiao Technology's PTN series devices support static L3 functions, which can satisfy the needs of S1, X2 traffic guidance. In addition, the device also supports a variety of interfaces and rich protection functions. It can provide a unified multi-service transport network for 3G, 4G, and 4G LTE.

Summary

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