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ETSI Issues New Report on ISAC System and RAN Architectures

ETSI’s Industry Specification Group on Integrated Sensing and Communications (ISG ISAC) has published ETSI GR ISC 003, a report that defines the architectural foundations for embedding advanced sensing into future 6G networks. The document outlines a 6G ISAC system reference model supporting monostatic, bistatic and multi‑static sensing, and enumerates 17 key challenges across system and RAN architectures. It introduces new RAN functions such as sensing task coordination, measurement configuration and data processing while flagging interference, power‑control and flexible resource‑allocation issues. The report also calls for deeper studies on multi‑operator coordination, security, privacy and sustainability, feeding directly into 3GPP’s 6G work.