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Finnish telecommunications vendor Nokia and American telecommunications provider AT&T have trialled near real-time RAN Intelligent (RIC) xApps with E2 interface.

In a statement, Nokia claimed the trial helped validate the promise of the near real-time RIC and xApp approach for advanced 5G use cases.

The trial was implemented on Nokias near real-time RIC platform, running on Nokia AirScale base stations on AT&Ts network.

In this trial, near real-time xApps used E2SM Policy Services to perform targeted RAN optimisation.

The trial benefited from optimised services for specific user groups, different frequency layers, or based on Quality of Service (QoS) Class Identifiers in 5G networks.

Nokias near real-time RIC platform and xApps also bring capabilities to use existing interfaces to enable RAN optimisation use cases that suit the operator networks.

The results of the trial demonstrated that E2 interface allows RAN policies to be updated several orders of magnitude faster than through legacy OAM interfaces, and thus unlocking new methods for RAN optimisation, said AT&T vice president RAN technology Robert Soni.

Together with AT&T, we have demonstrated that near real-time RIC has the potential to become a key enabler for RAN programmability. We believe in embracing openness and collaboration to drive innovation across the telecom industry and to harness the true power of 5G, said Nokia head of RAN Mark Atkinson.

This first appeared in the subscription newsletter CommsWire on 24 March 2023.

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Nokia and AT&T trial RAN Intelligent xApps - iTWire