Systems and methods for distributing multimedia public alert alerts in mobile communication networks

摘要

A method for distributing a multimedia public alert alert in a mobile communication network, comprising: generating an alert message by an emergency agency computer of the network, the message comprising a text message and at least one multimedia object such as a picture, audio or video Included -; sending by the multicast content distributor server in response to the request for a content delivery session parameter for a content delivery session comprising a multicast IP address; transmitting an alert message generated by the emergency agency computer to a multicast content distributor server; sending, by the emergency agency computer, a request to send a cell broadcast message to a cell broadcast center of the network, the cell broadcast message including the text message and the content delivery session parameters; broadcasting the cell broadcast message by the cell broadcast center via a radio access network in the network; receiving the cell broadcast message via the radio access network by a plurality of mobile user equipment in the network; establishing, by a multicast content distributor server, a transparent IP multicast session between a multicast content distributor server and at least some of the plurality of user equipment; transmitting the at least one multimedia object to the at least part of the plurality of user equipment via the transparent IP multicast session.