Release Notes#

This page details new features, bug fixes, performance improvements, limitations, and documentation updates by release.

ARC-OTA Release 1.5 (July, 2024)#

New Features and Bug Fixes#

  • Grace Hopper integration

    • OAI ARM CPU support

    • Hopper GPU cuBB support

  • CBRS O-RU

  • CBRS RU Interop

  • Multi-UE support

  • Multi-UE CSI dataset blueprint (using Aerial Data Lake and PyAerial)

  • Updated OAI branch 2024.w21+ARC1.5

  • Multi-L2 Support (2 Cells)

Tip

For additional context, you can also review the artifacts in the 2024.w21+ARC1.5 branch.

Note

The Grace Hopper platform requires OAI CN version 2024-June.

Performance Improvements#

  • MIMO layers

    • DL: 2 layers -> 4 layers

  • Peak throughput

    • SMC-GH

      • DL: ~460Mbps -> ~1.03Gbps

      • UL: ~112Mbps -> ~125Mbps

    • Dell R750 / Gigabyte Edge E251-U70

  • Multi-L2 (2 Cell) throughput

    • SMC-GH

      • DL: ~700Mbps (per Cell)

      • UL: ~105Mbps (per Cell)

ARC-OTA Release 1.3 (May, 2024)#

New Features and Bug Fixes#

  • Full support for master gitlab repo gitlab.eurecom.fr/oai/ making it available for use, modification and distribution. Refer to the Licensing page for the OAI license.

    • OAI_Aerial private branch is deprecated and will no longer be maintained.

  • Developer extension - Sterling k8 service management and monitoring (refer to this document for more details)

  • Updated OAI branch 2024.w15 with a standalone patch (w15.4).

Performance Improvements#

  • Frame structure and slot format

    • DDDSU -> DDDSU + DDDDDDSUUU

  • Bi-directional UDP Traffic

    • > 3.5 hours exercised -> > 4.0 hours exercised

ARC-OTA Release 1.2 (March, 2024)#

New Features and Bug Fixes#

  • Support for the Dell R750 platform to host gNB

  • Support for NVIDIA Converged Accelerators A100X

  • Continued support for Gigabyte Edge E251-U70 with NVIDIA discrete cards A100 GPU, CX6-DX SmartNIC

  • OAI_Aerial_v2.2.1 updated to OAI_Aerial_v2.2.2

ARC-OTA Release A1.1 (January, 2024)#

New Features and Bug Fixes#

  • Kernel cmdline configuration updated.

  • Updates to the core assignment in the Aerial configuration.

  • Updates to PTP and phc2sys core assignment.

  • Changes to phc2sys cmdline.

  • Changes to the L2 Docker run cmd to use all non-isolated cores.

  • Changes to the L2 configuration, max DL MCS defaults to 25.

  • Removal of unnecessary ORU firmware installation step because of Foxconn firmware default updates.

  • OAI_Aerial_v2.0 updated to OAI_Aerial_v2.2.1 throughout.

Known Issues and Workarounds#

256 QAM is not supported on ARC-OTA. You must disable 256 QAM support by issuing the following command at the gNB command license:

--gNBs.[0].force_256qam_off
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