ICCC 2020, IEEE 6th International Conference on Computer and Communications, 11-14 December 2020, Chengdu, China (Virtual Conference)
The fifth generation of mobile communication network (5G) core network(5GC) adopts microservice architecture, overturning the original core network architecture, making it
easier for 5G networks to realize network slicing, supporting large planning and high-speed terminal access. Many studies have been constructed on 5G technologies, but it is difficult to validate these theories and algorithms in a real-world environment. Therefore, we aim to build the open-source end-to-end(E2E) 5G mobile communication system platform. In this paper, we develop a cloud-native based implementation of Access and Mobility Management Function(AMF) under the OAI 5G Core project.We firstly review the design principles of cloud-native applications and its relationship with serviced 5G core network functions. And then, the designed application architecture for the cloud-native based AMF and detailed implementation of system procedures, e.g. initial registration procedure, are described. In the end, the AMF is tested in a real E2E 5G system for its functionalities. Also, it’s deployed in a cloud environment, tested with simulated gNB/UEs, for its stability and concurrency capacity.
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