name: ISD
full_form: Inter-Site Distance
context: in Table 6.3.2.4-1, while the results on maximum timing synchronization error with UE propagation delay compensation are shown in Table 6.3.2.4-2. Table 6.3.2.4-1: Summary of maximum timing synchronization error results for different inter-site distances without UE propagation delay compensation. Table 6.3.2.4-2: Summary of maximum timing synchronization error results with UE propagation delay compensation. Based on the evaluation results, the following has been observed: - If a UE were not to apply propagation delay compensation, a gNB-to-UE timing synchronization accuracy of - 130 to 376ns for an ISD of 10m (3 sources) - 215 to 506ns for an ISD of 20m (3 sources) - 315 ns for an ISD of 60m (1 source) - 355ns for an ISD of 114m (1 source) - 1080ns for an ISD of 250m (1 source) Based on the RAN1 agreed evaluation assumptions can be achieved for Rel-15 NR with 15kHz SCS. The achievable accuracy without propagation delay compensation becomes worse as the ISD increases. 2 out of 6
description: Inter-Site Distance (ISD) is a critical network attribute that affects timing synchronization error in 5G networks, particularly in relation to UE propagation delay compensation.
explanation: The text explicitly states ISD as a variable influencing timing synchronization error and its impact on UE propagation delay compensation within the context of 5G networks. This classification aligns with the definition of a parameter as a measurable quantity that influences system behavior.
section_title: 6.3.2.4Synchronization accuracy
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