name: US
full_form: Universal  Telecommunications System
context: From [21] existing relative base station synchronization requirement is 260 ns however in [22] the TAE requirements at the UE receiver is 30.260 us. The chosen 30 us is dedicated for the ÎTprop and corresponds to a relative difference of 9km from the transmission points, and then it does not relate to the CP. The requirements require an ideal interface towards common aggregation node. The 260 ns of the total 30.26 us corresponds to only 0.85% and cannot be considered as a well-balanced requirement. Marginally increasing the TAE error at the UE e.g. to 33 us (i.e. same as for DC) would allow for a less strict synchronization requirement (Tsync = 3 us) and hence allow for more flexible deployments. Alternative keeping the UE 30.26 us TAE requirement and decreasing the relative propagation difference to 8.2 km instead of 9 km would also allow for Tsync = 3 us. Worth noting, intra band between two > 24 GHz systems with its smaller cell sizes, a need for 9 km propagation difference would
description: The Transmission Adjustment Error (TAE) is a critical network attribute that affects the synchronization requirement in non-contiguous Carrier Aggregation (CA) scenarios. It represents the allowed error margin at the User Equipment (UE) receiver, impacting the relative base station synchronization and propagation difference.
explanation: The context explicitly refers to TAE as a parameter with a specific function: influencing synchronization requirements in non-contiguous CA scenarios.
section_title: 6.5.3.2.5Intra band non-contiguous CA
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