Fujitsu has announced that it equipped its Virtuora Service Management and Orchestration (SMO) offering for Open RAN with a power-saving application using AI technology developed by Fujitsu. The Fujitsu rApp, uses traffic estimates powered by machine learning and artificial intelligence to switch network capacity on or off as needed, while maintaining service continuity. Fujitsu in November 2023 conducted interoperability tests of the Virtuora SMO offering equipped with RAN equipment and confirmed power savings of more than 20% compared to conventional methods for estimating communication traffic for individual base stations.

Fujitsu further conducted interoperability tests with a third party system-level RAN emulator compliant with the O-RAN specifications provided by VIAVI Solutions. VIAVI TeraVM RIC test is a comprehensive AI training enablement, test and measurement solution for validation of Open RAN RIC, xApps and rApps using a containerised platform.

Fujitsu announced the test results at O-RAN ALLIANCE Global PlugFest Fall 2023, an international event held by the O-RAN ALLIANCE in November 2023. O-RAN ALLIANCE plans to publish a PlugFest Virtual Showcase providing more details.

Moving forward, Fujitsu plans to promote the creation and enhancement of a multi-vendor Open RAN ecosystem globally. Fujitsu will support telecommunication carriers in reducing operation and maintenance costs and accelerating the development of new services, with the goal of contributing to the realization of carbon-neutral network operations through power saving technologies.

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