Open5GCore – The Next Mobile Core Network Testbed Platform

The Fraunhofer FOKUS Open5GCore toolkit is a practical implementation of the carrier-grade network towards the 5G environment. It mirrors, in a prototypical form, the pre-standard advancements on the core network, radio network integration, distributed management and virtualisation.
The Open5GCore aims at providing support and speeding-up research, facilitating know-how transfer from Fraunhofer FOKUS towards partners. It serves as a consistent basis for research projects with meaningful results, enabling fast and targeted innovation, hand-on fast implementation, realistic evaluation and demonstration of novel concepts and technology opportunities.
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Open5GCore represents a complete reset of the packet core related activities addressing in a more pragmatic way the needs of 5G testbeds for FOKUS and for partner activities. Open5GCore Rel. 3 is based on a new accelerated software platform including:

  • Fundamental 5G/4G core network components enabling the interconnection with standard LTE eNBs, off-the-shelf smartphone and upcoming 5G base stations and devices

  • NB-IoT extension of the packet core addressing the massive IoT use case requirements

  • IMS support addressing the basic multimedia services for mobile broadband support use cases

  • Benchmarking support – providing means for quantitative evaluations based on synthetic workload generation and trace injection

  • WLAN support – integrating the functionality of trusted non-3GPP access networks

  • Elasticity – support for dynamic control plane deployments and workload steering

  • LTE/5G signaling – enabling the research of time sensitive radio communication at RLC level

Open5GCore integrates with standard LTE/LTE-A/NB-IoT LTE base stations (a spectrum license is required) and WLAN enabling real network deployments within testbeds.

Open5GCore is highly customizable enabling the deployment of instances addressing the needs of the specific use cases. The source code license option extends the offer with ultimate flexibility for easy customization and prototype developments.

For end-to-end use cases, Open5GCore integrates with Open5GMTC for massive IoT use cases, the OpenSDNCore for backhaul management, OpenBaton for cloud deployments and Kamailio IMS for massive broadband use cases. 

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Our customers

Open5GCore enables researchers and engineers from operator, vendor and academia, around the world, to understand and to perform practical experimentation and demonstrations on very new pre-standard 5G network capabilities within a realistic running testbed environment.


For licensing, research activities and any requests please contact us. 5G research activities and Open5GCore toolkit developments are supported by Fraunhofer FOKUS Competence Center NGNI and by the Techische Universität Berlin (TUB) – AV research group.

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