US 12,149,371 B2
MRB deactivation and activation
Fangli Xu, Beijing (CN); Dawei Zhang, Saratoga, CA (US); Haijing Hu, Los Gatos, CA (US); Naveen Kumar R. Palle Venkata, San Diego, CA (US); Ralf Rossbach, Munich (DE); Sarma V. Vangala, Campbell, CA (US); Sethuraman Gurumoorthy, San Ramon, CA (US); Srirang A. Lovlekar, Fremont, CA (US); Yuqin Chen, Beijing (CN); and Zhibin Wu, Los Altos, CA (US)
Assigned to Apple Inc., Cupertino, CA (US)
Appl. No. 17/755,740
Filed by Apple Inc., Cupertino, CA (US)
PCT Filed May 10, 2021, PCT No. PCT/CN2021/092853
§ 371(c)(1), (2) Date May 6, 2022,
PCT Pub. No. WO2022/236610, PCT Pub. Date Nov. 17, 2022.
Prior Publication US 2024/0154834 A1, May 9, 2024
Int. Cl. H04L 12/18 (2006.01); H04W 76/19 (2018.01)
CPC H04L 12/189 (2013.01) [H04L 12/1868 (2013.01); H04W 76/19 (2018.02)] 20 Claims
OG exemplary drawing
 
1. A processor of a user equipment (UE) configured to perform operations comprising:
receiving, from a base station of a wireless network, a multicast radio bearer (MRB) configuration, wherein the MRB includes configuration of a split MRB including a point to multipoint (PTM) link and a point to point (PTP) link and an implicit indication of whether the PTM link should be activated or deactivated, wherein the implicit indication includes a predetermined criteria, and wherein satisfaction of the predetermined criteria indicates the PTM link should be deactivated;
deactivating or activating the PTM link based on the MRB configuration;
reestablishing a radio link control (RLC) associated with the PTM link; and
recovering a packet data convergence protocol (PDCP).