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2. Building the AI-RAN Data Path in OCUDU: Inline GPU Processing for PRACH and SRS

Building the AI-RAN Data Path in OCUDU: Inline GPU Processing for PRACH and SRS

GPU OffloadJun 23, 20264:32

Inline GPU acceleration in OCUDU Open RAN using NVIDIA GPUDirect RDMA. Fronthaul packets are delivered directly from the NIC into GPU memory where PRACH detection and SRS channel estimation execute inline — no CPU copy. Shows 3.3× speedup for PRACH (106 µs vs 352 µs) and sub-linear SRS scaling up to 256 UEs.