name: GM
full_form: Grand Master
context: Regarding the achievable time synchronization accuracy from the RAN perspective, the synchronization accuracy between the gNB and TSN GM clock can be much less than 1Âµs. As examples, several options for delivery of TSN time information from the synchronization source were considered: 1. Local on-site GNSS receiver as TSN GM clock; 2. Local on-site TSN GM clock; 3. Remote TSN GM clock entity using cascaded PTP capable transport network connection. The maximum absolute time error between the TSN GM clock and gNB for the above time synchronization options is summarized in Table 6.3.4.1-1. Table 6.3.4.1-1: Maximum absolute time error (TE) between TSN GM clock and gNB
description: The Grand Master (GM) refers to a device or entity that serves as the primary source of synchronization for a Time-Sensitive Network (TSN). It provides the reference clock signal that other devices in the network synchronize with, ensuring accurate and coordinated timing across the network.
explanation: The Grand Master is classified as a Device because it is a physical entity within the TSN that performs a specific function. Its role is to generate and distribute time signals, which are essential for coordinating data transmission and processing in real-time applications.
section_title: 6.3.4.1Time synchronization accuracy
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