A method for acquiring timing advance values during handover between base stations in 5G networks by configuring UEs to perform timing acquisition procedures upon receiving PDCCH orders.

Patentradars sammanfattning

This invention relates to timing advance (TA) acquisition procedures in 5G wireless systems (IPC codes H04W36/00, H04W72/00, H04L5/00). The patent describes a process where a user equipment (UE) in RRC_CONNECTED state receives reconfiguration commands from a source base station (gNB Cell A) that include timing acquisition configuration for a target cell (gNB Cell B). Upon receiving a PDCCH order, the UE performs a timing advance acquisition procedure via random access preamble transmission, receiving the TA value embedded in a cell switch command designating the target cell.

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