ZTE participates in drafting 5G SA Option 2

ZTE has participated in the drafting of “5G Implementation Guidelines: SA Option 2”, the world’s first systematic guidance for large-scale 5G standalone deployments.

The drafting was organized by GSMA and China Telecom and ZTE has contributed the chapter of transport network, elaborating on the key technical functions and the deployment strategies of 5G SA transport networks.
The guidelines cover the end-to-end wireless, core network and transport network technologies in 5G SA construction. It also introduces the new challenges in capacity, slicing, reliability, O&M and synchronization while offering the solution.

Integrated with SR and VPN, FlexE supports both soft and hard slicing to enable flexible bandwidth scaling on demand while offering differentiated services for users of different levels and isolating services in a safe and flexible manner. In terms of reliability, the SDN-based innovative technologies can offer optimal service paths on demand, and avoid the congestion and the multi-point failure, thus achieving the 50ms carrier-grade protection switching.

With respect to intelligent operation and maintenance, the new technologies such as SDN and AI can visualize the network status and accurately monitor the service quality while enabling the self-optimization of bandwidth capacity, fast fault location, self-repair and self-learning, so as to intelligently and automatically adjust the O&M rules.

In terms of time synchronization, the ground synchronization technology, as a supplement and enhancement to the original GNSS (Global Navigation Satellite System), can decrease the number of synchronization network hops by down-shifting the time source.

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