Dynamic MBMS/unicast bearer establishment based on MBMS multi-level bearer quality indicator

摘要

Disclosed herein is a method performed by a wireless device 112 comprising an MC service client to enable reception of transmissions for a mission critical (MC) service, the method comprising: the wireless device in a first MBSFN area while located, receiving (1-5, 1-6) MC service media for MC service through a first MBMS bearer identified by a first TMGI; Notifies the MC service server that the MC service media is successfully received over the first MBMS bearer and sends a first MBMS listening status report including a first MBMS bearer quality indicator indicating a reception quality level related to the first MBMS bearer to the MC service transmitting to the server 114 (2-5, 2-6); sending a location information report to the MC service server indicating that the wireless device is now located in an overlapping area between the first MBSFN area and the second MBSFN area (4-5, 4-6)—in the overlapping area, the second TMGI both the first MBMS bearer and the second MBMS bearer identified by ; receiving (5-5) an MBMS bearer announcement with information related to the second MBMS bearer indicating to the wireless device that the first MBMS bearer and the second MBMS bearer transmit the same MC service media; and notify the MC service server that the MC service media can be successfully received through the first MBMS bearer and the second MBMS bearer, and the reception quality level associated with the first MBMS bearer and the reception quality level associated with the second MBMS bearer sending (6-5, 5-6) a second MBMS listening status report including a second MBMS bearer quality indicator indicating to the MC service server.