An Open, Programmable, Multi-vendor 5G O-RAN Testbed with NVIDIA ARC and OpenAirInterface

X5G is the first 8-node network deployment of the NVIDIA Aerial Research Cloud (ARC), with the Aerial SDK for the PHY layer, accelerated on Graphics Processing Unit (GPU), and through its integration with higher layers from the OpenAirInterface (OAI) open-source project through the Small Cell Forum Functional Application Platform Interface (FAPI).