Distributing Alert Messages Via Unlicensed Spectrum

摘要

An enhanced alert system provides for message delivery via unlicensed wireless spectrum (e.g., LTE-U or WiFi) alternatively or supplementary to message delivery via licensed wireless spectrum. Advantageously, the alert system can provide access to certain local areas not covered or insufficiently covered by licensed spectrum and can provide opportunistic traffic offloading from licensed spectrum.

主权项

1. In an alert system including a primary carrier network logically connected to a secondary network, the primary network characterizing a first network type adapted for use of licensed wireless spectrum and the secondary network characterizing a second network type adapted for use of unlicensed wireless spectrum, a method comprising a gateway node of the primary carrier network:
receiving an alert message directed to an indicated geographic area; executing a technology selection policy to determine a delivery profile appropriate for the alert message, the technology selection policy including first selection criteria determinative of selection of licensed wireless spectrum and a second selection criteria determinative of selection of unlicensed wireless spectrum defining the delivery profile; delivering the alert message to one or more mobile devices in the indicated geographic area according to the delivery profile.