A method for seamless user equipment cell switching in 5G networks using distributed unit coordination and MAC control element signaling.

Patentradars sammanfattning

This patent describes a low-latency cell switching procedure in 5G NR networks where a source distributed unit (DU) triggers a handover to a candidate DU via the centralized unit (CU). The method employs F1AP UE context modification messages to configure scheduling request (SR) and random access channel (RACH) parameters, followed by a MAC control element command conveying physical cell identity, beam information, timing advance, and TCI-state identification to complete the cell switch with minimal disruption.

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