• Computer Science > Networking and Internet Architecture [Submitted on 4 Sep 2025 (v1), last revised 25 Feb 2026 (this version, v2)] Title:Nexus: Efficient and Scalable Multi-Cell mmWave Baseband Processing with Heterogeneous Compute View PDF HTML (experimental)Abstract:The rapid adoption of 5G New Radio (NR), particularly in the millimeter-wave (mmWave) spectrum, imposes stringent demands on the flexibility, scalability, and efficiency of baseband processing • While virtualized Radio Access Networks (vRANs) enable dynamic spectrum sharing across cells, compute resource allocation for baseband processing, especially in multi-cell deployments with heterogeneous workloads, remains underexplored • In this paper, we present NEXUS, the first system to realize real-time, virtualized multi-cell mmWave baseband processing on a single server with heterogeneous compute resources • NEXUS integrates software-based digital signal processing pipelines with hardware-accelerated LDPC decoding, and introduces a novel framework for sharing Intel’s ACC100 eASIC across multiple CPU cores via virtual functions (VFs) • For single-cell operation, NEXUS employs a random forest (RAF)-based model that predicts t

Article Summaries:

  • Computer Science > Networking and Internet Architecture [Submitted on 4 Sep 2025 (v1), last revised 25 Feb 2026 (this version, v2)] Title:Nexus: Efficient and Scalable Multi-Cell mmWave Baseband Processing with Heterogeneous Compute View PDF HTML (experimental)Abstract:The rapid adoption of 5G New Radio (NR), particularly in the millimeter-wave (mmWave) spectrum, imposes stringent demands on the flexibility, scalability, and efficiency of baseband processing. While virtualized Radio Access Networks (vRANs) enable dynamic spectrum sharing across cells, compute resource allocation for baseband p

Sources: