发明名称 Emergency alert
摘要 A wireless area network terminal receives an unsolicited broadcast from a network to all wireless area network terminals in a predetermined category. The unsolicited broadcast includes an indicator that an emergency alert is waiting. The indicator triggers a request to be sent from the terminal to the network to allow the alert to be downloaded to the terminal.
申请公布号 GB0706120(D0) 申请公布日期 2007.05.09
申请号 GB20070006120 申请日期 2007.03.29
申请人 SIEMENS AKTIENGESELLSCHAFT 发明人
分类号 H04W4/06;H04W4/22;H04W68/00;H04W88/06 主分类号 H04W4/06
代理机构 代理人
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