RAN Synchronization in Cellular Networks Using PTP

In order to meet the basic Wireless Network access requirements, frequency synchronization precision is an essential prerequisite, failing which users may suffer network outages when switched from one node to another. Radio base stations rely on having access to reliable and accurate reference timing signals in order to generate radio signals and maintain frame alignment. Routers and switches in the transport network may therefore be required to provide synchronization to the radio base stations in order for them to handle and transport data properly. Different radio technologies and features have different synchronization requirements; some wireless standards require time synchronization in addition to frequency synchronization as well.

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