name: TAE
full_form: Time Alignment Error
context: TAE requirements for CA is generally discussed and set as a requirement isolated at the base station while it is the TAE at the UE that matters (generally referred as MRTD). This can lead to wrong or unbalanced requirements. The maximum allowed TAE at the UE depends of implementation choices and potential design restrictions within the UE, so this is not a single fixed figure. The TAE depends on: - The relative synchronization error between the transmission points involved in the CA service (ÎTsync) - The differences in signal arrival time at the UE due to difference in propagation distance between the transmission point and the UE (ÎTprop) which depends on actual deployment scenario and UE relative position. Discussing CA TAE requirements isolated at the base station can lead to wrong or unbalanced requirements, it is not the TAE at the base station that matters, it is the TAE at the UE (MRTD) that matters. The TAE at the UE (MRTD) depends of synchronization error between transmission
description: Time Alignment Error (TAE) measures the difference in signal arrival times at the User Equipment (UE) due to variations in propagation distances between transmission points and the UE. It is crucial for ensuring proper synchronization and coordination among transmission points, affecting the overall performance and quality of service.
explanation: The text describes TAE as a measurable attribute that impacts network performance and requires management. This aligns with the definition of a parameter - a quantifiable characteristic that influences system behavior.
section_title: 6.5.3.2.1General
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