Abstract: There is provided mechanisms for service interruption reporting of a multicast bearer for group communications. A method is performed by a client node. The method comprises obtaining instruction from a control node of the multicast bearer, where the instruction instructs whether or not the client node is to report service interruption of the multicast bearer. The method comprises detecting service interruption of the multicast bearer. The method comprises selectively reporting the service interruption to the control node in accordance with the instruction.

Abstract: A mobile device (10) subscribes to receive messages targeted to a first geographical area (18-A), e.g., a first tile or area of a grid for geocasting. The mobile device (10) also subscribes to receive messages targeted to a second geographical area (18-B), e.g., a second tile or area of the grid for geocasting. The mobile device (10) notably does this such that the mobile device (10) is simultaneously subscribed to receive messages targeted to the first geographical area (18-A) and to receive messages targeted to the second geographical area (18-B).

Abstract: The disclosure relates to methods at a wireless communication system, a wireless communication device, a network communication node, and a control node, respectively, for bearer control in a wireless communication system (100). Specifically, the method comprises determining (S11), by the WCD or the network communication node, whether the number of radio bearers concurrently active for the WCD is at least one of equal to a threshold value and above the threshold value. If the threshold is reached, then the WCD or the network communication node transmits (S12), towards the control node (300), a first status message indicative of that the number of radio bearers concurrent active has reached the threshold value. The first status message is received by the control node and in response to the reception (S21) of the message the control node determines (S22), based on the first status message, whether an MBMS bearer is to be activated.

Abstract: A method for a public information system, adapted for broadcasting a message in a first wireless access network. The first wireless access network is arranged to, at least partly, overlap one or more further wireless access networks. The method comprises initiating a modified support announcement by the first wireless access network. The modified support announcement configured to announce support for the further wireless access networks by comprising network identifiers associated with the further wireless access networks, whereby a wireless device associated with a further wireless access network is prompted to connect to the first wireless access network, and initiating broadcasting of the message over the first wireless access network, whereby said wireless device may receive the message over the first wireless access network.

Abstract: There is provided mechanisms for paging at least one client node in a group communications system. A method is performed by a control node of the group communications system. The method comprises obtaining a need for paging the at least one client node in the group communications system. The method comprises transmitting a paging message for the at least one client node on a multimedia broadcast multicast service (MBMS) bearer to the at least one client node. There is also provided a control node configured to perform such a method. There is also provided mechanisms for receiving paging in a group communications system.

Abstract: There is provided mechanisms for multimedia broadcast multicast service (MBMS) bearer handling in a group communications system. A method is performed by a control node. The method comprises obtaining a need for a new MBMS bearer to be activated. The method comprises activating the new MBMS bearer. The method comprises announcing MBMS bearer identity and complementary service announcement information of the new MBMS bearer on an already announced MBMS bearer, thereby announcing the new MBMS bearer.

Abstract: In accordance with particular embodiments, a method, performed by a control node, for multimedia broadcast multicast service, MBMS, bearer setup in a group communications system comprises activating and announcing an MBMS bearer to the client nodes. The MBMS bearer is independent of any particular group of client nodes. The method also includes obtaining a call setup message for a group call from a first client node of the client nodes. The method additionally includes 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. In accordance with certain embodiments, a method, performed by a client node, for MBMS bearer setup in a group communications system comprises obtaining a service announcement of an MBMS bearer from a control node. The MBMS bearer is independent of any particular group of client nodes.

Abstract: There is provided mechanisms for service interruption reporting of a multicast bearer for group communications. A method is performed by a client node. The method comprises obtaining instruction from a control node of the multicast bearer, where the instruction instructs whether or not the client node is to report service interruption of the multicast bearer. The method comprises detecting service interruption of the multicast bearer. The method comprises selectively reporting the service interruption to the control node in accordance with the instruction.

Abstract: In accordance with particular embodiments, a method, performed by a control node, for multimedia broadcast multicast service (MBMS) bearer handling in a group communications system comprises activating and announcing a first MBMS bearer for supporting floor control in a group call to client nodes of the group call. The method additionally includes activating and announcing at least one second MBMS bearer for supporting media transmission in the group call. The floor control and the media transmission are supported on separate MBMS bearers for the group call. In accordance with certain embodiments, a method, performed by a client node for MBMS bearer handling in a group communications system comprises obtaining a broadcast service announcement of a first MBMS bearer for supporting floor control in a group call from a control node of the group call.

Abstract: There is provided mechanisms for paging at least one client node in a group communications system. A method is performed by a control node of the group communications system. The method comprises obtaining a need for paging the at least one client node in the group communications system. The method comprises transmitting a paging message for the at least one client node on a multimedia broadcast multicast service (MBMS) bearer to the at least one client node. There is also provided a control node configured to perform such a method. There is also provided mechanisms for receiving paging in a group communications system.

Abstract: Service continuity is provided between Multicast-Broadcast Single Frequency Networks (MBSFNs) for a wireless device receiving a service. A radio base station broadcasts the service on a Multicast-Broadcast Multimedia Service (MBMS) resource of a first MBSFN. The radio base station also broadcasts information identifying a different MBMS resource over which the service is being broadcast by a different radio base station in a different MBSFN to enable service continuity between the first MBSFN and different MBSFN for the wireless device. The wireless device receives the service broadcast on the MBMS resource of the first MBSFN from the radio base station. The wireless device also receives the information that identifies the different MBMS resource over which the service is being broadcast by the different radio base station in the different MBSFN. The information enables service continuity between the first MBSFN and different MBSFN for the wireless device.

Abstract: There is provided mechanisms for service interruption reporting of a multicast bearer for group communications. A method is performed by a client node. The method comprises obtaining instruction from a control node of the multicast bearer, where the instruction instructs whether or not the client node is to report service interruption of the multicast bearer. The method comprises detecting service interruption of the multicast bearer. The method comprises selectively reporting the service interruption to the control node in accordance with the instruction.

Abstract: The present invention relates to methods and arrangements of optimizing radio resource utilization at a group communication for members of a specific group in a communication network system, comprising communication network nodes (15) communicating over a radio interface on downlink (12) and uplink (13) radio bearers with a plurality of user equipments (18) each of which is associated with one of said members. A shared downlink radio bearer for low priority listening members of said specific group is established. The low priority listening members are assigned to the shared downlink radio bearer.

Abstract: In accordance with particular embodiments, a method, performed by a control node for multimedia broadcast multicast service (MBMS) bearer handling comprises activating and announcing a first MBMS bearer for supporting floor control in a group call to client nodes of the group call. The method additionally includes activating and announcing at least one second MBMS bearer for supporting media transmission in the group call. The floor control and the media transmission are supported on separate MBMS bearers. In accordance with certain embodiments, a method, performed by a client node for MBMS bearer handling comprises obtaining a broadcast service announcement of a first MBMS bearer for supporting floor control in a group call. The method additionally includes obtaining a broadcast service announcement of at least one second MBMS bearer for supporting media transmission in the group call. The floor control and the media transmission are supported on separate MBMS bearers.

Abstract: The present disclosure relates to a wireless communication system (200) comprising one or more Radio Base Stations (220), RBSs, associated to a first Multicast-Broadcast Single Frequency Network (210), MBSFN, the one or more RBSs associated to the first MBSFN being arranged to broadcast transport blocks by using a first communications resource (f1), the transport blocks transporting a service (A) to one or more wireless devices (231, 232, 233) in the wireless communication system (200), the wireless communication system (200) also comprising at least one further RBS (250) not associated to the first MBSFN (210), the at least one further RBS (250) being arranged to broadcast information relating to the first communications resource (f1) used for broadcasting service (A) in the first MBSFN.

Abstract: The present invention relates to methods and arrangements of optimizing radio resource utilization at a group communication for members of a specific group in a communication network system, comprising communication network nodes (15) communicating over a radio interface on downlink (12) and uplink (13) radio bearers with a plurality of user equipments (18) each of which is associated with one of said members. A shared downlink radio bearer for low priority listening members of said specific group is established. The low priority listening members are assigned to the shared downlink radio bearer.