In this paper, time source sinking deployment scheme for the 5th Generation Mobile Communication Technology (5G) synchronization network is analyzed. Compared with the centralized deployment scheme, this paper analyzes the application scenario, advantages and deployment ideas of the source sinking deployment. The techniques of synchronization domain division, synchronization protection and control in the scheme are discussed, and corresponding solutions and suggestions are proposed. Finally, combined with the practice of domestic synchronization network, the evolution mode of time source sinking application is analyzed. The analysis results provide guidance for ongoing 5G synchronous networking technology research and scale deployment.
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