prSSH IEC 63448:2025 ED1:2026

Low and ultra-low latency communication and control systems

Scope

IEC 63448:2025 specifies the low and ultra-low latency communication and control system (ULCCS) technology to address the communication and control challenges of multimedia-centric applications. It describes the medium access control (MAC) layer specifications:
- MAC frame design for control-centric scheduling.
- Message types and packet formats for MAC layer operation.
- System management aspects at the MAC layer for multiple control domains and multi-hop operation.