Ericsson Technology Review

Ericsson Technology Review aims to encourage an open discussion about the potential, practicalities, and benefits of a wide range of technical developments, and provide insight into the key emerging innovations shaping the future.

When AI has no time to think: real-time inference in radio access networks

Real-time radio access network functions operate on microsecondlevel deadlines that leave artificial intelligence with no time to think. The feasibility of inference under these conditions hinges not on increased hardware capability alone, but on carefully aligning model complexity with worst-case end-to-end execution budgets and compute platform capacity.

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Erik Ekudden, CTO Ericsson

Erik Ekudden on real-time AI inference

Efforts to replace real-time radio access network (RAN) functions with AI face a fundamental challenge: delivering robust performance across dynamic radio conditions requires powerful models, yet decisions must be made in microseconds. This article explores how techniques such as model dimensioning and distillation – reducing model size and complexity while preserving performance – enable deterministic, scalable and truly AI-native RAN operation.

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