ETSI report sets out how computing could be built into 6G sensing networks
ETSI GR ISC 005, from the ISAC Industry Specification Group, names five key issues and six candidate solutions for processing sensing data inside a 6G network, three of them about over-the-air computation.
ETSI has published GR ISC 005 V1.1.1, a Group Report from its Industry Specification Group (ISG) on Integrated Sensing and Communications (ISAC). The document is dated October 2026 and was announced on 5 November. It studies how computing could become part of a 6G ISAC system: where sensing data is processed, and how computing, sensing and radio resources are coordinated.
The report defines terms for computing entities, functions, tasks and results, aligned with the ISG’s reference model in GR ISC 003. It surveys in-network computing, device-based computing, cloud and edge computing, and over-the-air computation (AirComp). It then identifies five key issues. Three concern AirComp at the physical layer: channel impairments, synchronisation impairments and the clustering of user equipment. The other two are compute-aware coordination of sensing tasks and the different processing levels at which sensing results can be delivered.
Six potential solutions follow. Four are control-plane mechanisms built around a proposed Computing Control Function working alongside a Sensing Control Function. They cover the choice of execution node, scheduling against sensing latency targets, collecting the processing capabilities of sensing nodes, and task migration as devices move. The other two address resource allocation and device clustering for AirComp. The report marks its assessment of pros and cons as preliminary and says the ISG will revisit the solutions in its second release.
Why it matters
AirComp lets many devices transmit at once so that the receiver obtains a sum or average directly from the superposed signals, instead of decoding each device and then computing. The price is that fading, timing offsets and phase errors become errors in the computed result. That is why two of the five key issues are channel and synchronisation impairments. For RAN and system engineers, the report is an early view of the network functions that 6G sensing might add. The report notes that 3GPP is also introducing computing as a new 6G capability. This is pre-standardisation work, not a specification.