Methods and systems for managing User Equipment timing advance estimation during Layer 2 triggered mobility cell switches using TA estimation groups configured by the network.

Patentradars sammanfattning

This Ericsson patent discloses signaling mechanisms for UE-based Timing Advance (TA) management in Layer 2 Triggered Mobility (LTM) scenarios. The network configures each UE with TA estimation groups corresponding to the serving cell and candidate cells, with explicit indicators controlling whether UE-based TA estimation is permitted for each group. During LTM cell switches, the UE conditionally performs TA estimation depending on whether source and target cells are identical and the TA estimation group configuration.

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