US 12,177,745 B2
MBMS bearer setup in a group communications system
Joakim Åkesson, Landvetter (SE); and Magnus Tränk, Lerum (SE)
Assigned to Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
Filed by TELEFONAKTIEBOLAGET LM ERICSSON (PUBL), Stockholm (SE)
Filed on Dec. 10, 2020, as Appl. No. 17/118,089.
Application 17/118,089 is a continuation of application No. 15/082,449, filed on Mar. 28, 2016, granted, now 10,893,393.
Claims priority of provisional application 62/221,880, filed on Sep. 22, 2015.
Prior Publication US 2021/0127235 A1, Apr. 29, 2021
Int. Cl. H04W 4/08 (2009.01); H04L 65/1069 (2022.01); H04L 65/4061 (2022.01); H04L 65/611 (2022.01); H04W 4/10 (2009.01); H04W 76/10 (2018.01); H04W 76/40 (2018.01)
CPC H04W 4/08 (2013.01) [H04L 65/1069 (2013.01); H04L 65/4061 (2013.01); H04L 65/611 (2022.05); H04W 4/10 (2013.01); H04W 76/10 (2018.02); H04W 76/40 (2018.02)] 20 Claims
OG exemplary drawing
 
1. A method for multimedia broadcast multicast service, MBMS, bearer setup in a group communications system, the method being performed by a control node, comprising:
activating and announcing an MBMS bearer to the client nodes, wherein the MBMS bearer is independent of any particular group of client nodes; and
obtaining a call setup message for a group call from a first client node of the client nodes; and
broadcasting a connect message for the group call to at least one other client node of the client nodes in response to having received the call setup message.