| CPC H04W 4/14 (2013.01) [H04W 24/02 (2013.01)] | 6 Claims |

|
1. A method for managing group short data service (SDS) communication in a mission critical data (MCData) communication system, by a MCData user equipment (UE), the method comprising:
identifying a presence of allow-to-transmit-data-in-this-group;
identifying whether a size of payload of a group standalone SDS message is greater than maximum amount of data in a single request; and
transmitting the group standalone SDS message to a MCData UE group using a signaling control plane or a media plane,
wherein the transmitting the group standalone SDS message comprises:
in case that the size of the payload is less than or equal to a maximum payload size associated with a signaling over the signaling control plane, transmitting the group standalone SDS message using the signaling control plane, and
in case that the size of the payload is greater than the maximum payload size associated with the signaling over the signaling control plane, transmitting the group standalone SDS message using the media plane.
|