US 12,192,858 B2
MBMS support on IOPS
John Camilo Solano Arenas, Neuss (DE); Joakim Åkesson, Landvetter (SE); and Salvador Hinarejos Fernandez, Madrid (ES)
Assigned to Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
Appl. No. 17/637,103
Filed by Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
PCT Filed Aug. 6, 2020, PCT No. PCT/EP2020/072136
§ 371(c)(1), (2) Date Feb. 22, 2022,
PCT Pub. No. WO2021/037518, PCT Pub. Date Mar. 4, 2021.
Claims priority of provisional application 62/891,453, filed on Aug. 26, 2019.
Prior Publication US 2022/0303733 A1, Sep. 22, 2022
Int. Cl. H04W 4/08 (2009.01); H04W 48/16 (2009.01)
CPC H04W 4/08 (2013.01) [H04W 48/16 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method performed by an Isolated Evolved Universal Terrestrial Radio Access Network Operations for Public Safety, IOPS, application function, AF, to provide a group communication service, the method comprising:
establishing an IOPS Multicast-Broadcast Multimedia Services, MBMS, bearer, the IOPS MBMS bearer being an MBMS bearer within a Multicast-Broadcast Single-Frequency Network, MBSFN, area served by one or more radio access nodes that are operating in an IOPS mode of operation;
discovering one or more User Equipments, UEs, via an IOPS discovery procedure; and
sending, to the one or more UEs, an MBMS bearer announcement for the IOPS MBMS bearer.