Patent ID: 9668118
Date: 2017-05-30
CPC Classifications: H04W

Claim:
1. A method in a base station subsystem (BSS) for providing an earthquake and tsunami warning system notification message to a user equipment (UE) accessing a cellular radio system using a GSM/EDGE Radio Access Network (GERAN), wherein the UE is in a packet transfer mode and the BSS uses a Common Control Channel (CCCH) to communicate information to UEs, the method comprising; the BSS receiving an earthquake and tsunami warning system notification from an emergency center, and the BSS, in response to receiving the earthquake and tsunami warning system notification, providing a warning system notification to the UE, wherein the step of providing the warning system notification comprises: i) the BSS transmitting to the UE a Packet Temporary Block Flow (TBF) Release message that configures the UE to listen to the CCCH, and ii) the BSS transmitting the warning system notification on the CCCH after transmitting the TBP Release message.